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annotate Python/ast.c @ 79063:2bdc8c8ea42e

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Issue #15977: Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is called multiple times
author Christian Heimes <christian@cheimes.de>
date Thu, 20 Sep 2012 12:42:54 +0200
parents 2c9f1a578861
children ffb2fa900cb7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This file includes functions to transform a concrete syntax tree (CST) to
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3 * an abstract syntax tree (AST). The main function is PyAST_FromNode().
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4 *
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5 */
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6 #include "Python.h"
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7 #include "Python-ast.h"
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8 #include "node.h"
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9 #include "ast.h"
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10 #include "token.h"
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11
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12 #include <assert.h>
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13
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14 static int validate_stmts(asdl_seq *);
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15 static int validate_exprs(asdl_seq *, expr_context_ty, int);
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16 static int validate_nonempty_seq(asdl_seq *, const char *, const char *);
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17 static int validate_stmt(stmt_ty);
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18 static int validate_expr(expr_ty, expr_context_ty);
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19
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20 static int
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21 validate_comprehension(asdl_seq *gens)
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22 {
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23 int i;
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24 if (!asdl_seq_LEN(gens)) {
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25 PyErr_SetString(PyExc_ValueError, "comprehension with no generators");
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26 return 0;
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27 }
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28 for (i = 0; i < asdl_seq_LEN(gens); i++) {
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29 comprehension_ty comp = asdl_seq_GET(gens, i);
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30 if (!validate_expr(comp->target, Store) ||
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31 !validate_expr(comp->iter, Load) ||
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32 !validate_exprs(comp->ifs, Load, 0))
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33 return 0;
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34 }
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35 return 1;
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36 }
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37
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38 static int
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39 validate_slice(slice_ty slice)
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40 {
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41 switch (slice->kind) {
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42 case Slice_kind:
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43 return (!slice->v.Slice.lower || validate_expr(slice->v.Slice.lower, Load)) &&
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44 (!slice->v.Slice.upper || validate_expr(slice->v.Slice.upper, Load)) &&
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45 (!slice->v.Slice.step || validate_expr(slice->v.Slice.step, Load));
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46 case ExtSlice_kind: {
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47 int i;
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48 if (!validate_nonempty_seq(slice->v.ExtSlice.dims, "dims", "ExtSlice"))
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49 return 0;
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50 for (i = 0; i < asdl_seq_LEN(slice->v.ExtSlice.dims); i++)
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51 if (!validate_slice(asdl_seq_GET(slice->v.ExtSlice.dims, i)))
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52 return 0;
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53 return 1;
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54 }
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55 case Index_kind:
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56 return validate_expr(slice->v.Index.value, Load);
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57 default:
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58 PyErr_SetString(PyExc_SystemError, "unknown slice node");
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59 return 0;
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60 }
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61 }
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62
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63 static int
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64 validate_keywords(asdl_seq *keywords)
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65 {
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66 int i;
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67 for (i = 0; i < asdl_seq_LEN(keywords); i++)
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68 if (!validate_expr(((keyword_ty)asdl_seq_GET(keywords, i))->value, Load))
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69 return 0;
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70 return 1;
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71 }
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72
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73 static int
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74 validate_args(asdl_seq *args)
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75 {
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76 int i;
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77 for (i = 0; i < asdl_seq_LEN(args); i++) {
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78 arg_ty arg = asdl_seq_GET(args, i);
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79 if (arg->annotation && !validate_expr(arg->annotation, Load))
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80 return 0;
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81 }
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82 return 1;
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83 }
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84
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85 static const char *
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86 expr_context_name(expr_context_ty ctx)
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87 {
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88 switch (ctx) {
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89 case Load:
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90 return "Load";
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91 case Store:
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92 return "Store";
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93 case Del:
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94 return "Del";
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95 case AugLoad:
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96 return "AugLoad";
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97 case AugStore:
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98 return "AugStore";
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99 case Param:
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100 return "Param";
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101 default:
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102 assert(0);
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103 return "(unknown)";
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104 }
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105 }
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106
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107 static int
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108 validate_arguments(arguments_ty args)
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109 {
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110 if (!validate_args(args->args))
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111 return 0;
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112 if (args->varargannotation) {
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113 if (!args->vararg) {
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114 PyErr_SetString(PyExc_ValueError, "varargannotation but no vararg on arguments");
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115 return 0;
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116 }
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117 if (!validate_expr(args->varargannotation, Load))
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118 return 0;
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119 }
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120 if (!validate_args(args->kwonlyargs))
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121 return 0;
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122 if (args->kwargannotation) {
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123 if (!args->kwarg) {
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124 PyErr_SetString(PyExc_ValueError, "kwargannotation but no kwarg on arguments");
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125 return 0;
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126 }
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127 if (!validate_expr(args->kwargannotation, Load))
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128 return 0;
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129 }
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130 if (asdl_seq_LEN(args->defaults) > asdl_seq_LEN(args->args)) {
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131 PyErr_SetString(PyExc_ValueError, "more positional defaults than args on arguments");
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132 return 0;
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133 }
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134 if (asdl_seq_LEN(args->kw_defaults) != asdl_seq_LEN(args->kwonlyargs)) {
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135 PyErr_SetString(PyExc_ValueError, "length of kwonlyargs is not the same as "
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136 "kw_defaults on arguments");
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137 return 0;
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138 }
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139 return validate_exprs(args->defaults, Load, 0) && validate_exprs(args->kw_defaults, Load, 1);
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140 }
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141
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142 static int
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143 validate_expr(expr_ty exp, expr_context_ty ctx)
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144 {
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diff changeset
145 int check_ctx = 1;
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diff changeset
146 expr_context_ty actual_ctx;
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147
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diff changeset
148 /* First check expression context. */
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diff changeset
149 switch (exp->kind) {
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diff changeset
150 case Attribute_kind:
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diff changeset
151 actual_ctx = exp->v.Attribute.ctx;
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152 break;
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diff changeset
153 case Subscript_kind:
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diff changeset
154 actual_ctx = exp->v.Subscript.ctx;
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diff changeset
155 break;
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diff changeset
156 case Starred_kind:
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diff changeset
157 actual_ctx = exp->v.Starred.ctx;
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diff changeset
158 break;
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diff changeset
159 case Name_kind:
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diff changeset
160 actual_ctx = exp->v.Name.ctx;
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diff changeset
161 break;
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diff changeset
162 case List_kind:
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163 actual_ctx = exp->v.List.ctx;
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164 break;
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diff changeset
165 case Tuple_kind:
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166 actual_ctx = exp->v.Tuple.ctx;
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167 break;
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diff changeset
168 default:
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169 if (ctx != Load) {
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170 PyErr_Format(PyExc_ValueError, "expression which can't be "
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171 "assigned to in %s context", expr_context_name(ctx));
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172 return 0;
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173 }
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174 check_ctx = 0;
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175 }
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176 if (check_ctx && actual_ctx != ctx) {
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177 PyErr_Format(PyExc_ValueError, "expression must have %s context but has %s instead",
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178 expr_context_name(ctx), expr_context_name(actual_ctx));
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179 return 0;
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180 }
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181
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182 /* Now validate expression. */
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diff changeset
183 switch (exp->kind) {
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diff changeset
184 case BoolOp_kind:
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185 if (asdl_seq_LEN(exp->v.BoolOp.values) < 2) {
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186 PyErr_SetString(PyExc_ValueError, "BoolOp with less than 2 values");
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187 return 0;
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188 }
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diff changeset
189 return validate_exprs(exp->v.BoolOp.values, Load, 0);
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190 case BinOp_kind:
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diff changeset
191 return validate_expr(exp->v.BinOp.left, Load) &&
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diff changeset
192 validate_expr(exp->v.BinOp.right, Load);
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diff changeset
193 case UnaryOp_kind:
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194 return validate_expr(exp->v.UnaryOp.operand, Load);
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diff changeset
195 case Lambda_kind:
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diff changeset
196 return validate_arguments(exp->v.Lambda.args) &&
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diff changeset
197 validate_expr(exp->v.Lambda.body, Load);
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diff changeset
198 case IfExp_kind:
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diff changeset
199 return validate_expr(exp->v.IfExp.test, Load) &&
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diff changeset
200 validate_expr(exp->v.IfExp.body, Load) &&
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diff changeset
201 validate_expr(exp->v.IfExp.orelse, Load);
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diff changeset
202 case Dict_kind:
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diff changeset
203 if (asdl_seq_LEN(exp->v.Dict.keys) != asdl_seq_LEN(exp->v.Dict.values)) {
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diff changeset
204 PyErr_SetString(PyExc_ValueError,
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205 "Dict doesn't have the same number of keys as values");
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diff changeset
206 return 0;
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diff changeset
207 }
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diff changeset
208 return validate_exprs(exp->v.Dict.keys, Load, 0) &&
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diff changeset
209 validate_exprs(exp->v.Dict.values, Load, 0);
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diff changeset
210 case Set_kind:
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diff changeset
211 return validate_exprs(exp->v.Set.elts, Load, 0);
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diff changeset
212 #define COMP(NAME) \
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diff changeset
213 case NAME ## _kind: \
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diff changeset
214 return validate_comprehension(exp->v.NAME.generators) && \
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diff changeset
215 validate_expr(exp->v.NAME.elt, Load);
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diff changeset
216 COMP(ListComp)
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diff changeset
217 COMP(SetComp)
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diff changeset
218 COMP(GeneratorExp)
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diff changeset
219 #undef COMP
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diff changeset
220 case DictComp_kind:
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diff changeset
221 return validate_comprehension(exp->v.DictComp.generators) &&
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parents: 70918
diff changeset
222 validate_expr(exp->v.DictComp.key, Load) &&
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diff changeset
223 validate_expr(exp->v.DictComp.value, Load);
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parents: 70918
diff changeset
224 case Yield_kind:
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parents: 70918
diff changeset
225 return !exp->v.Yield.value || validate_expr(exp->v.Yield.value, Load);
74391
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780)
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parents: 74356
diff changeset
226 case YieldFrom_kind:
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780)
Benjamin Peterson <benjamin@python.org>
parents: 74356
diff changeset
227 return !exp->v.YieldFrom.value ||
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780)
Benjamin Peterson <benjamin@python.org>
parents: 74356
diff changeset
228 validate_expr(exp->v.YieldFrom.value, Load);
71795
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diff changeset
229 case Compare_kind:
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parents: 70918
diff changeset
230 if (!asdl_seq_LEN(exp->v.Compare.comparators)) {
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parents: 70918
diff changeset
231 PyErr_SetString(PyExc_ValueError, "Compare with no comparators");
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diff changeset
232 return 0;
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
233 }
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
234 if (asdl_seq_LEN(exp->v.Compare.comparators) !=
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
235 asdl_seq_LEN(exp->v.Compare.ops)) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
236 PyErr_SetString(PyExc_ValueError, "Compare has a different number "
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
237 "of comparators and operands");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
238 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
239 }
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
240 return validate_exprs(exp->v.Compare.comparators, Load, 0) &&
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diff changeset
241 validate_expr(exp->v.Compare.left, Load);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
242 case Call_kind:
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
243 return validate_expr(exp->v.Call.func, Load) &&
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
244 validate_exprs(exp->v.Call.args, Load, 0) &&
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
245 validate_keywords(exp->v.Call.keywords) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
246 (!exp->v.Call.starargs || validate_expr(exp->v.Call.starargs, Load)) &&
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
247 (!exp->v.Call.kwargs || validate_expr(exp->v.Call.kwargs, Load));
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
248 case Num_kind: {
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parents: 70918
diff changeset
249 PyObject *n = exp->v.Num.n;
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
250 if (!PyLong_CheckExact(n) && !PyFloat_CheckExact(n) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
251 !PyComplex_CheckExact(n)) {
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
252 PyErr_SetString(PyExc_TypeError, "non-numeric type in Num");
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
253 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
254 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
255 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
256 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
257 case Str_kind: {
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parents: 70918
diff changeset
258 PyObject *s = exp->v.Str.s;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
259 if (!PyUnicode_CheckExact(s)) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
260 PyErr_SetString(PyExc_TypeError, "non-string type in Str");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
261 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
262 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
263 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
264 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
265 case Bytes_kind: {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
266 PyObject *b = exp->v.Bytes.s;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
267 if (!PyBytes_CheckExact(b)) {
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
268 PyErr_SetString(PyExc_TypeError, "non-bytes type in Bytes");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
269 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
270 }
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
271 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
272 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
273 case Attribute_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
274 return validate_expr(exp->v.Attribute.value, Load);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
275 case Subscript_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
276 return validate_slice(exp->v.Subscript.slice) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
277 validate_expr(exp->v.Subscript.value, Load);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
278 case Starred_kind:
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
279 return validate_expr(exp->v.Starred.value, ctx);
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280 case List_kind:
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diff changeset
281 return validate_exprs(exp->v.List.elts, ctx, 0);
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diff changeset
282 case Tuple_kind:
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diff changeset
283 return validate_exprs(exp->v.Tuple.elts, ctx, 0);
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diff changeset
284 /* These last cases don't have any checking. */
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diff changeset
285 case Name_kind:
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
286 case Ellipsis_kind:
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parents: 70918
diff changeset
287 return 1;
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parents: 70918
diff changeset
288 default:
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parents: 70918
diff changeset
289 PyErr_SetString(PyExc_SystemError, "unexpected expression");
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parents: 70918
diff changeset
290 return 0;
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parents: 70918
diff changeset
291 }
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
292 }
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parents: 70918
diff changeset
293
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parents: 70918
diff changeset
294 static int
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parents: 70918
diff changeset
295 validate_nonempty_seq(asdl_seq *seq, const char *what, const char *owner)
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parents: 70918
diff changeset
296 {
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parents: 70918
diff changeset
297 if (asdl_seq_LEN(seq))
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parents: 70918
diff changeset
298 return 1;
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diff changeset
299 PyErr_Format(PyExc_ValueError, "empty %s on %s", what, owner);
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parents: 70918
diff changeset
300 return 0;
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parents: 70918
diff changeset
301 }
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
302
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parents: 70918
diff changeset
303 static int
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parents: 70918
diff changeset
304 validate_assignlist(asdl_seq *targets, expr_context_ty ctx)
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parents: 70918
diff changeset
305 {
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parents: 70918
diff changeset
306 return validate_nonempty_seq(targets, "targets", ctx == Del ? "Delete" : "Assign") &&
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parents: 70918
diff changeset
307 validate_exprs(targets, ctx, 0);
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
308 }
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
309
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parents: 70918
diff changeset
310 static int
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parents: 70918
diff changeset
311 validate_body(asdl_seq *body, const char *owner)
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parents: 70918
diff changeset
312 {
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parents: 70918
diff changeset
313 return validate_nonempty_seq(body, "body", owner) && validate_stmts(body);
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parents: 70918
diff changeset
314 }
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diff changeset
315
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parents: 70918
diff changeset
316 static int
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
317 validate_stmt(stmt_ty stmt)
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
318 {
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parents: 70918
diff changeset
319 int i;
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
320 switch (stmt->kind) {
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parents: 70918
diff changeset
321 case FunctionDef_kind:
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parents: 70918
diff changeset
322 return validate_body(stmt->v.FunctionDef.body, "FunctionDef") &&
4090dfdf91a4 add a AST validator (closes #12575)
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parents: 70918
diff changeset
323 validate_arguments(stmt->v.FunctionDef.args) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
324 validate_exprs(stmt->v.FunctionDef.decorator_list, Load, 0) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
325 (!stmt->v.FunctionDef.returns ||
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
326 validate_expr(stmt->v.FunctionDef.returns, Load));
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
327 case ClassDef_kind:
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
328 return validate_body(stmt->v.ClassDef.body, "ClassDef") &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
329 validate_exprs(stmt->v.ClassDef.bases, Load, 0) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
330 validate_keywords(stmt->v.ClassDef.keywords) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
331 validate_exprs(stmt->v.ClassDef.decorator_list, Load, 0) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
332 (!stmt->v.ClassDef.starargs || validate_expr(stmt->v.ClassDef.starargs, Load)) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
333 (!stmt->v.ClassDef.kwargs || validate_expr(stmt->v.ClassDef.kwargs, Load));
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
334 case Return_kind:
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
335 return !stmt->v.Return.value || validate_expr(stmt->v.Return.value, Load);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
336 case Delete_kind:
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parents: 70918
diff changeset
337 return validate_assignlist(stmt->v.Delete.targets, Del);
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parents: 70918
diff changeset
338 case Assign_kind:
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parents: 70918
diff changeset
339 return validate_assignlist(stmt->v.Assign.targets, Store) &&
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
340 validate_expr(stmt->v.Assign.value, Load);
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
341 case AugAssign_kind:
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parents: 70918
diff changeset
342 return validate_expr(stmt->v.AugAssign.target, Store) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
343 validate_expr(stmt->v.AugAssign.value, Load);
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
344 case For_kind:
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parents: 70918
diff changeset
345 return validate_expr(stmt->v.For.target, Store) &&
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
346 validate_expr(stmt->v.For.iter, Load) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
347 validate_body(stmt->v.For.body, "For") &&
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
348 validate_stmts(stmt->v.For.orelse);
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parents: 70918
diff changeset
349 case While_kind:
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parents: 70918
diff changeset
350 return validate_expr(stmt->v.While.test, Load) &&
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parents: 70918
diff changeset
351 validate_body(stmt->v.While.body, "While") &&
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parents: 70918
diff changeset
352 validate_stmts(stmt->v.While.orelse);
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
353 case If_kind:
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parents: 70918
diff changeset
354 return validate_expr(stmt->v.If.test, Load) &&
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parents: 70918
diff changeset
355 validate_body(stmt->v.If.body, "If") &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
356 validate_stmts(stmt->v.If.orelse);
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
357 case With_kind:
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parents: 70918
diff changeset
358 if (!validate_nonempty_seq(stmt->v.With.items, "items", "With"))
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
359 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
360 for (i = 0; i < asdl_seq_LEN(stmt->v.With.items); i++) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
361 withitem_ty item = asdl_seq_GET(stmt->v.With.items, i);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
362 if (!validate_expr(item->context_expr, Load) ||
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
363 (item->optional_vars && !validate_expr(item->optional_vars, Store)))
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
364 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
365 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
366 return validate_body(stmt->v.With.body, "With");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
367 case Raise_kind:
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Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
368 if (stmt->v.Raise.exc) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
369 return validate_expr(stmt->v.Raise.exc, Load) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
370 (!stmt->v.Raise.cause || validate_expr(stmt->v.Raise.cause, Load));
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
371 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
372 if (stmt->v.Raise.cause) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
373 PyErr_SetString(PyExc_ValueError, "Raise with cause but no exception");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
374 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
375 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
376 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
377 case Try_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
378 if (!validate_body(stmt->v.Try.body, "Try"))
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
379 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
380 if (!asdl_seq_LEN(stmt->v.Try.handlers) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
381 !asdl_seq_LEN(stmt->v.Try.finalbody)) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
382 PyErr_SetString(PyExc_ValueError, "Try has neither except handlers nor finalbody");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
383 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
384 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
385 if (!asdl_seq_LEN(stmt->v.Try.handlers) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
386 asdl_seq_LEN(stmt->v.Try.orelse)) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
387 PyErr_SetString(PyExc_ValueError, "Try has orelse but no except handlers");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
388 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
389 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
390 for (i = 0; i < asdl_seq_LEN(stmt->v.Try.handlers); i++) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
391 excepthandler_ty handler = asdl_seq_GET(stmt->v.Try.handlers, i);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
392 if ((handler->v.ExceptHandler.type &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
393 !validate_expr(handler->v.ExceptHandler.type, Load)) ||
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
394 !validate_body(handler->v.ExceptHandler.body, "ExceptHandler"))
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
395 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
396 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
397 return (!asdl_seq_LEN(stmt->v.Try.finalbody) ||
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
398 validate_stmts(stmt->v.Try.finalbody)) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
399 (!asdl_seq_LEN(stmt->v.Try.orelse) ||
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
400 validate_stmts(stmt->v.Try.orelse));
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
401 case Assert_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
402 return validate_expr(stmt->v.Assert.test, Load) &&
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
403 (!stmt->v.Assert.msg || validate_expr(stmt->v.Assert.msg, Load));
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
404 case Import_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
405 return validate_nonempty_seq(stmt->v.Import.names, "names", "Import");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
406 case ImportFrom_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
407 if (stmt->v.ImportFrom.level < -1) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
408 PyErr_SetString(PyExc_ValueError, "ImportFrom level less than -1");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
409 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
410 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
411 return validate_nonempty_seq(stmt->v.ImportFrom.names, "names", "ImportFrom");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
412 case Global_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
413 return validate_nonempty_seq(stmt->v.Global.names, "names", "Global");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
414 case Nonlocal_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
415 return validate_nonempty_seq(stmt->v.Nonlocal.names, "names", "Nonlocal");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
416 case Expr_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
417 return validate_expr(stmt->v.Expr.value, Load);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
418 case Pass_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
419 case Break_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
420 case Continue_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
421 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
422 default:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
423 PyErr_SetString(PyExc_SystemError, "unexpected statement");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
424 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
425 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
426 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
427
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
428 static int
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
429 validate_stmts(asdl_seq *seq)
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
430 {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
431 int i;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
432 for (i = 0; i < asdl_seq_LEN(seq); i++) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
433 stmt_ty stmt = asdl_seq_GET(seq, i);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
434 if (stmt) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
435 if (!validate_stmt(stmt))
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
436 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
437 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
438 else {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
439 PyErr_SetString(PyExc_ValueError,
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
440 "None disallowed in statement list");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
441 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
442 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
443 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
444 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
445 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
446
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
447 static int
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
448 validate_exprs(asdl_seq *exprs, expr_context_ty ctx, int null_ok)
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
449 {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
450 int i;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
451 for (i = 0; i < asdl_seq_LEN(exprs); i++) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
452 expr_ty expr = asdl_seq_GET(exprs, i);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
453 if (expr) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
454 if (!validate_expr(expr, ctx))
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
455 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
456 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
457 else if (!null_ok) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
458 PyErr_SetString(PyExc_ValueError,
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
459 "None disallowed in expression list");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
460 return 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
461 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
462
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
463 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
464 return 1;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
465 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
466
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
467 int
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
468 PyAST_Validate(mod_ty mod)
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
469 {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
470 int res = 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
471
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
472 switch (mod->kind) {
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
473 case Module_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
474 res = validate_stmts(mod->v.Module.body);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
475 break;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
476 case Interactive_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
477 res = validate_stmts(mod->v.Interactive.body);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
478 break;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
479 case Expression_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
480 res = validate_expr(mod->v.Expression.body, Load);
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
481 break;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
482 case Suite_kind:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
483 PyErr_SetString(PyExc_ValueError, "Suite is not valid in the CPython compiler");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
484 break;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
485 default:
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
486 PyErr_SetString(PyExc_SystemError, "impossible module node");
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
487 res = 0;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
488 break;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
489 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
490 return res;
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
491 }
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
492
74448
525188cb79fc fix spelling
Benjamin Peterson <benjamin@python.org>
parents: 74447
diff changeset
493 /* This is done here, so defines like "test" don't interfere with AST use above. */
71795
4090dfdf91a4 add a AST validator (closes #12575)
Benjamin Peterson <benjamin@python.org>
parents: 70918
diff changeset
494 #include "grammar.h"
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
495 #include "parsetok.h"
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
496 #include "graminit.h"
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
497
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
498 /* Data structure used internally */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
499 struct compiling {
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
500 char *c_encoding; /* source encoding */
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
501 PyArena *c_arena; /* arena for allocating memeory */
44025
ebc7389297d6 Merged revisions 59107-59186 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 43961
diff changeset
502 const char *c_filename; /* filename */
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
503 PyObject *c_normalize; /* Normalization function from unicodedata. */
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
504 PyObject *c_normalize_args; /* Normalization argument tuple. */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
505 };
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
506
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
507 static asdl_seq *seq_for_testlist(struct compiling *, const node *);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
508 static expr_ty ast_for_expr(struct compiling *, const node *);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
509 static stmt_ty ast_for_stmt(struct compiling *, const node *);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
510 static asdl_seq *ast_for_suite(struct compiling *, const node *);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
511 static asdl_seq *ast_for_exprlist(struct compiling *, const node *,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
512 expr_context_ty);
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
513 static expr_ty ast_for_testlist(struct compiling *, const node *);
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
514 static stmt_ty ast_for_classdef(struct compiling *, const node *, asdl_seq *);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
515
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
516 /* Note different signature for ast_for_call */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
517 static expr_ty ast_for_call(struct compiling *, const node *, expr_ty);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
518
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
519 static PyObject *parsenumber(struct compiling *, const char *);
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
520 static PyObject *parsestr(struct compiling *, const node *n, int *bytesmode);
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
521 static PyObject *parsestrplus(struct compiling *, const node *n,
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
522 int *bytesmode);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
523
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
524 #define COMP_GENEXP 0
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
525 #define COMP_LISTCOMP 1
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
526 #define COMP_SETCOMP 2
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
527
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
528 static int
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
529 init_normalization(struct compiling *c)
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
530 {
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
531 PyObject *m = PyImport_ImportModuleNoBlock("unicodedata");
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
532 if (!m)
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
533 return 0;
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
534 c->c_normalize = PyObject_GetAttrString(m, "normalize");
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
535 Py_DECREF(m);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
536 if (!c->c_normalize)
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
537 return 0;
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
538 c->c_normalize_args = Py_BuildValue("(sN)", "NFKC", Py_None);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
539 PyTuple_SET_ITEM(c->c_normalize_args, 1, NULL);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
540 if (!c->c_normalize_args) {
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
541 Py_CLEAR(c->c_normalize);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
542 return 0;
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
543 }
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
544 return 1;
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
545 }
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
546
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
547 static identifier
78842
8ff2f4634ed8 merge 3.2
Benjamin Peterson <benjamin@python.org>
parents: 78840 78841
diff changeset
548 new_identifier(const char *n, struct compiling *c)
42597
20477cbfd996 Implement PEP 3131. Add isidentifier to str.
Martin v. Löwis <martin@v.loewis.de>
parents: 42549
diff changeset
549 {
78841
0c6a09b982d8 put * in the normal place
Benjamin Peterson <benjamin@python.org>
parents: 78838
diff changeset
550 PyObject *id = PyUnicode_DecodeUTF8(n, strlen(n), NULL);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
551 if (!id)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
552 return NULL;
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
553 /* PyUnicode_DecodeUTF8 should always return a ready string. */
74443
f5214817ed57 PyUnicode_DecodeUTF8 will always return a ready string
Benjamin Peterson <benjamin@python.org>
parents: 74442
diff changeset
554 assert(PyUnicode_IS_READY(id));
42597
20477cbfd996 Implement PEP 3131. Add isidentifier to str.
Martin v. Löwis <martin@v.loewis.de>
parents: 42549
diff changeset
555 /* Check whether there are non-ASCII characters in the
20477cbfd996 Implement PEP 3131. Add isidentifier to str.
Martin v. Löwis <martin@v.loewis.de>
parents: 42549
diff changeset
556 identifier; if so, normalize to NFKC. */
74447
ca5c5142da58 invert condition (head bang)
Benjamin Peterson <benjamin@python.org>
parents: 74445
diff changeset
557 if (!PyUnicode_IS_ASCII(id)) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
558 PyObject *id2;
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
559 if (!c->c_normalize && !init_normalization(c)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
560 Py_DECREF(id);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
561 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
562 }
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
563 PyTuple_SET_ITEM(c->c_normalize_args, 1, id);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
564 id2 = PyObject_Call(c->c_normalize, c->c_normalize_args, NULL);
74445
5ef589e38985 fix possible refleaks
Benjamin Peterson <benjamin@python.org>
parents: 74444
diff changeset
565 Py_DECREF(id);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
566 if (!id2)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
567 return NULL;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
568 id = id2;
42597
20477cbfd996 Implement PEP 3131. Add isidentifier to str.
Martin v. Löwis <martin@v.loewis.de>
parents: 42549
diff changeset
569 }
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41969
diff changeset
570 PyUnicode_InternInPlace(&id);
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
571 PyArena_AddPyObject(c->c_arena, id);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
572 return id;
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1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
573 }
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
574
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
575 #define NEW_IDENTIFIER(n) new_identifier(STR(n), c)
35742
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
576
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
577 static int
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
578 ast_error(struct compiling *c, const node *n, const char *errmsg)
35742
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
579 {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
580 PyObject *value, *errstr, *loc, *tmp;
65536
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64185
diff changeset
581 PyObject *filename_obj;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
582
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
583 loc = PyErr_ProgramText(c->c_filename, LINENO(n));
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1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
584 if (!loc) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
585 Py_INCREF(Py_None);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
586 loc = Py_None;
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parents:
diff changeset
587 }
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Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
588 if (c->c_filename) {
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
589 filename_obj = PyUnicode_DecodeFSDefault(c->c_filename);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
590 if (!filename_obj) {
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
591 Py_DECREF(loc);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
592 return 0;
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
593 }
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
594 } else {
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 64185
diff changeset
595 Py_INCREF(Py_None);
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64185
diff changeset
596 filename_obj = Py_None;
42b84d3188d1 Recorded merge of revisions 85569-85570 via svnmerge from
Victor Stinner <victor.stinner@haypocalc.com>
parents: 64185
diff changeset
597 }
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
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parents: 78839
diff changeset
598 tmp = Py_BuildValue("(NiiN)", filename_obj, LINENO(n), n->n_col_offset, loc);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
599 if (!tmp)
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
600 return 0;
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
601 errstr = PyUnicode_FromString(errmsg);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
602 if (!errstr) {
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
603 Py_DECREF(tmp);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
604 return 0;
36000
cc3261597136 SF #1370197, memory leak - ast_error_finish (in error conditions).
Neal Norwitz <nnorwitz@gmail.com>
parents: 35990
diff changeset
605 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
606 value = PyTuple_Pack(2, errstr, tmp);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
607 Py_DECREF(errstr);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
608 Py_DECREF(tmp);
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
609 if (value) {
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
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parents: 78839
diff changeset
610 PyErr_SetObject(PyExc_SyntaxError, value);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
611 Py_DECREF(value);
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
612 }
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
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parents: 78839
diff changeset
613 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
614 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
615
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
616 /* num_stmts() returns number of contained statements.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
617
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parents:
diff changeset
618 Use this routine to determine how big a sequence is needed for
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parents:
diff changeset
619 the statements in a parse tree. Its raison d'etre is this bit of
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parents:
diff changeset
620 grammar:
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
621
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parents:
diff changeset
622 stmt: simple_stmt | compound_stmt
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parents:
diff changeset
623 simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
624
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parents:
diff changeset
625 A simple_stmt can contain multiple small_stmt elements joined
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
626 by semicolons. If the arg is a simple_stmt, the number of
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
627 small_stmt elements is returned.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
628 */
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parents:
diff changeset
629
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parents:
diff changeset
630 static int
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
631 num_stmts(const node *n)
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
632 {
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
633 int i, l;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
634 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
635
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
636 switch (TYPE(n)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
637 case single_input:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
638 if (TYPE(CHILD(n, 0)) == NEWLINE)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
639 return 0;
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
640 else
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
641 return num_stmts(CHILD(n, 0));
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
642 case file_input:
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
643 l = 0;
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
644 for (i = 0; i < NCH(n); i++) {
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
645 ch = CHILD(n, i);
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
646 if (TYPE(ch) == stmt)
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
647 l += num_stmts(ch);
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
648 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
649 return l;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
650 case stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
651 return num_stmts(CHILD(n, 0));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
652 case compound_stmt:
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
653 return 1;
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
654 case simple_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
655 return NCH(n) / 2; /* Divide by 2 to remove count of semi-colons */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
656 case suite:
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
657 if (NCH(n) == 1)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
658 return num_stmts(CHILD(n, 0));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
659 else {
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
660 l = 0;
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
661 for (i = 2; i < (NCH(n) - 1); i++)
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parents:
diff changeset
662 l += num_stmts(CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
663 return l;
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parents:
diff changeset
664 }
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parents:
diff changeset
665 default: {
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parents:
diff changeset
666 char buf[128];
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
667
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581d8602f3f7 Merged revisions 68746 via svnmerge from
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parents: 50035
diff changeset
668 sprintf(buf, "Non-statement found: %d %d",
35742
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
669 TYPE(n), NCH(n));
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
670 Py_FatalError(buf);
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
671 }
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
672 }
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
673 assert(0);
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parents:
diff changeset
674 return 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
675 }
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parents:
diff changeset
676
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
677 /* Transform the CST rooted at node * to the appropriate AST
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
678 */
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parents:
diff changeset
679
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
680 mod_ty
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
681 PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename,
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
682 PyArena *arena)
35742
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parents:
diff changeset
683 {
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
684 int i, j, k, num;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
685 asdl_seq *stmts = NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
686 stmt_ty s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
687 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
688 struct compiling c;
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
689 mod_ty res = NULL;
35742
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parents:
diff changeset
690
78840
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Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
691 c.c_arena = arena;
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
692 c.c_filename = filename;
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
693 c.c_normalize = c.c_normalize_args = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
694 if (flags && flags->cf_flags & PyCF_SOURCE_IS_UTF8) {
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
695 c.c_encoding = "utf-8";
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
696 if (TYPE(n) == encoding_decl) {
42054
063530fcc32e Minimal changes to make the "freeze" tool work again.
Guido van Rossum <guido@python.org>
parents: 42013
diff changeset
697 #if 0
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
698 ast_error(c, n, "encoding declaration in Unicode string");
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
699 goto out;
42054
063530fcc32e Minimal changes to make the "freeze" tool work again.
Guido van Rossum <guido@python.org>
parents: 42013
diff changeset
700 #endif
063530fcc32e Minimal changes to make the "freeze" tool work again.
Guido van Rossum <guido@python.org>
parents: 42013
diff changeset
701 n = CHILD(n, 0);
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
702 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
703 } else if (TYPE(n) == encoding_decl) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
704 c.c_encoding = STR(n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
705 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
706 } else {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
707 /* PEP 3120 */
42403
7e8469617b1c Implement PEP 3120.
Martin v. Löwis <martin@v.loewis.de>
parents: 42309
diff changeset
708 c.c_encoding = "utf-8";
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
709 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
710
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
711 k = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
712 switch (TYPE(n)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
713 case file_input:
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
714 stmts = asdl_seq_new(num_stmts(n), arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
715 if (!stmts)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
716 goto out;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
717 for (i = 0; i < NCH(n) - 1; i++) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
718 ch = CHILD(n, i);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
719 if (TYPE(ch) == NEWLINE)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
720 continue;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
721 REQ(ch, stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
722 num = num_stmts(ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
723 if (num == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
724 s = ast_for_stmt(&c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
725 if (!s)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
726 goto out;
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
727 asdl_seq_SET(stmts, k++, s);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
728 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
729 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
730 ch = CHILD(ch, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
731 REQ(ch, simple_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
732 for (j = 0; j < num; j++) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
733 s = ast_for_stmt(&c, CHILD(ch, j * 2));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
734 if (!s)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
735 goto out;
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
736 asdl_seq_SET(stmts, k++, s);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
737 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
738 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
739 }
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
740 res = Module(stmts, arena);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
741 break;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
742 case eval_input: {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
743 expr_ty testlist_ast;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
744
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
745 /* XXX Why not comp_for here? */
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
746 testlist_ast = ast_for_testlist(&c, CHILD(n, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
747 if (!testlist_ast)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
748 goto out;
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
749 res = Expression(testlist_ast, arena);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
750 break;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
751 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
752 case single_input:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
753 if (TYPE(CHILD(n, 0)) == NEWLINE) {
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
754 stmts = asdl_seq_new(1, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
755 if (!stmts)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
756 goto out;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
757 asdl_seq_SET(stmts, 0, Pass(n->n_lineno, n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
758 arena));
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
759 if (!asdl_seq_GET(stmts, 0))
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
760 goto out;
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
761 res = Interactive(stmts, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
762 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
763 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
764 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
765 num = num_stmts(n);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
766 stmts = asdl_seq_new(num, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
767 if (!stmts)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
768 goto out;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
769 if (num == 1) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
770 s = ast_for_stmt(&c, n);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
771 if (!s)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
772 goto out;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
773 asdl_seq_SET(stmts, 0, s);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
774 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
775 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
776 /* Only a simple_stmt can contain multiple statements. */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
777 REQ(n, simple_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
778 for (i = 0; i < NCH(n); i += 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
779 if (TYPE(CHILD(n, i)) == NEWLINE)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
780 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
781 s = ast_for_stmt(&c, CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
782 if (!s)
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
783 goto out;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
784 asdl_seq_SET(stmts, i / 2, s);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
785 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
786 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
787
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
788 res = Interactive(stmts, arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
789 }
74460
953d6ee29464 break out switch at correct place
Benjamin Peterson <benjamin@python.org>
parents: 74459
diff changeset
790 break;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
791 default:
41716
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
792 PyErr_Format(PyExc_SystemError,
00c02c4488ce Merged revisions 55325-55327 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
793 "invalid node %d for PyAST_FromNode", TYPE(n));
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
794 goto out;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
795 }
74457
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
796 out:
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
797 if (c.c_normalize) {
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
798 Py_DECREF(c.c_normalize);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
799 PyTuple_SET_ITEM(c.c_normalize_args, 1, NULL);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
800 Py_DECREF(c.c_normalize_args);
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
801 }
0677f05d6ece streamline normalizer identification a bit
Benjamin Peterson <benjamin@python.org>
parents: 74448
diff changeset
802 return res;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
803 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
804
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
805 /* Return the AST repr. of the operator represented as syntax (|, ^, etc.)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
806 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
807
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
808 static operator_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
809 get_operator(const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
810 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
811 switch (TYPE(n)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
812 case VBAR:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
813 return BitOr;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
814 case CIRCUMFLEX:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
815 return BitXor;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
816 case AMPER:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
817 return BitAnd;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
818 case LEFTSHIFT:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
819 return LShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
820 case RIGHTSHIFT:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
821 return RShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
822 case PLUS:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
823 return Add;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
824 case MINUS:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
825 return Sub;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
826 case STAR:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
827 return Mult;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
828 case SLASH:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
829 return Div;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
830 case DOUBLESLASH:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
831 return FloorDiv;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
832 case PERCENT:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
833 return Mod;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
834 default:
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
835 return (operator_ty)0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
836 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
837 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
838
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9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
Guido van Rossum <guido@python.org>
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diff changeset
839 static const char* FORBIDDEN[] = {
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
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parents: 41824
diff changeset
840 "None",
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
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diff changeset
841 "True",
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
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diff changeset
842 "False",
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
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diff changeset
843 NULL,
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diff changeset
844 };
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diff changeset
845
9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
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diff changeset
846 static int
78840
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parents: 78839
diff changeset
847 forbidden_name(struct compiling *c, identifier name, const node *n, int full_checks)
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9d02a4adf574 Merged revisions 55631-55794 via svnmerge from
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diff changeset
848 {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
849 assert(PyUnicode_Check(name));
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
850 if (PyUnicode_CompareWithASCIIString(name, "__debug__") == 0) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
851 ast_error(c, n, "assignment to keyword");
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
852 return 1;
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
853 }
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
854 if (full_checks) {
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
855 const char **p;
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
856 for (p = FORBIDDEN; *p; p++) {
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
857 if (PyUnicode_CompareWithASCIIString(name, *p) == 0) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
858 ast_error(c, n, "assignment to keyword");
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
859 return 1;
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
860 }
41969
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diff changeset
861 }
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diff changeset
862 }
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Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
863 return 0;
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Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
864 }
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Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
865
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
866 /* Set the context ctx for expr_ty e, recursively traversing e.
35742
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parents:
diff changeset
867
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
868 Only sets context for expr kinds that "can appear in assignment context"
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
869 (according to ../Parser/Python.asdl). For other expr kinds, it sets
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
870 an appropriate syntax error and returns false.
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
871 */
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
872
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parents:
diff changeset
873 static int
46664
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Christian Heimes <christian@cheimes.de>
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diff changeset
874 set_context(struct compiling *c, expr_ty e, expr_context_ty ctx, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
875 {
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
876 asdl_seq *s = NULL;
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parents: 36242
diff changeset
877 /* If a particular expression type can't be used for assign / delete,
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
878 set expr_name to its name and an error message will be generated.
a625e8876407 Improved handling of syntax errors.
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diff changeset
879 */
a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
880 const char* expr_name = NULL;
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
881
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
882 /* The ast defines augmented store and load contexts, but the
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
883 implementation here doesn't actually use them. The code may be
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
884 a little more complex than necessary as a result. It also means
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
885 that expressions in an augmented assignment have a Store context.
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a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
886 Consider restructuring so that augmented assignment uses
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
887 set_context(), too.
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
888 */
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
889 assert(ctx != AugStore && ctx != AugLoad);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
890
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
891 switch (e->kind) {
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
892 case Attribute_kind:
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
893 e->v.Attribute.ctx = ctx;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
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parents: 78839
diff changeset
894 if (ctx == Store && forbidden_name(c, e->v.Attribute.attr, n, 1))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
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parents: 54918
diff changeset
895 return 0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
896 break;
35742
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parents:
diff changeset
897 case Subscript_kind:
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
898 e->v.Subscript.ctx = ctx;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
899 break;
41699
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Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
900 case Starred_kind:
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Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
901 e->v.Starred.ctx = ctx;
46664
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diff changeset
902 if (!set_context(c, e->v.Starred.value, ctx, n))
41699
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Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
903 return 0;
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parents: 41698
diff changeset
904 break;
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1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
905 case Name_kind:
41969
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Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
906 if (ctx == Store) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
907 if (forbidden_name(c, e->v.Name.id, n, 1))
41969
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diff changeset
908 return 0; /* forbidden_name() calls ast_error() */
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
909 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
910 e->v.Name.ctx = ctx;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
911 break;
35742
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
912 case List_kind:
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
913 e->v.List.ctx = ctx;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
914 s = e->v.List.elts;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
915 break;
35742
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
916 case Tuple_kind:
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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parents: 54703
diff changeset
917 if (asdl_seq_LEN(e->v.Tuple.elts)) {
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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parents: 54703
diff changeset
918 e->v.Tuple.ctx = ctx;
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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parents: 54703
diff changeset
919 s = e->v.Tuple.elts;
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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parents: 54703
diff changeset
920 }
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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diff changeset
921 else {
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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diff changeset
922 expr_name = "()";
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
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diff changeset
923 }
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parents: 40215
diff changeset
924 break;
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a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
925 case Lambda_kind:
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
926 expr_name = "lambda";
a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
927 break;
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parents:
diff changeset
928 case Call_kind:
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a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
929 expr_name = "function call";
40450
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parents: 40215
diff changeset
930 break;
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a625e8876407 Improved handling of syntax errors.
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diff changeset
931 case BoolOp_kind:
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parents:
diff changeset
932 case BinOp_kind:
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parents: 36242
diff changeset
933 case UnaryOp_kind:
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
934 expr_name = "operator";
a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
935 break;
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1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
936 case GeneratorExp_kind:
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
937 expr_name = "generator expression";
a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
938 break;
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Thomas Wouters <thomas@python.org>
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diff changeset
939 case Yield_kind:
74391
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780)
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parents: 74356
diff changeset
940 case YieldFrom_kind:
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parents: 38453
diff changeset
941 expr_name = "yield expression";
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
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parents: 38453
diff changeset
942 break;
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parents: 36242
diff changeset
943 case ListComp_kind:
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
944 expr_name = "list comprehension";
a625e8876407 Improved handling of syntax errors.
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parents: 36242
diff changeset
945 break;
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parents: 41698
diff changeset
946 case SetComp_kind:
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diff changeset
947 expr_name = "set comprehension";
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diff changeset
948 break;
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diff changeset
949 case DictComp_kind:
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diff changeset
950 expr_name = "dict comprehension";
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parents: 42084
diff changeset
951 break;
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a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
952 case Dict_kind:
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
953 case Set_kind:
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
954 case Num_kind:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
955 case Str_kind:
69288
4d9a8e84279a make assigning to a bytes literal a syntax error (closes #11506)
Benjamin Peterson <benjamin@python.org>
parents: 65536
diff changeset
956 case Bytes_kind:
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
957 expr_name = "literal";
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
958 break;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
959 case Ellipsis_kind:
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
960 expr_name = "Ellipsis";
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
961 break;
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
962 case Compare_kind:
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
963 expr_name = "comparison";
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
964 break;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
965 case IfExp_kind:
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
966 expr_name = "conditional expression";
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
967 break;
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
968 default:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
969 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
970 "unexpected expression in assignment %d (line %d)",
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
971 e->kind, e->lineno);
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
972 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
973 }
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
974 /* Check for error string set by switch */
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
975 if (expr_name) {
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
976 char buf[300];
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
977 PyOS_snprintf(buf, sizeof(buf),
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
978 "can't %s %s",
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
979 ctx == Store ? "assign to" : "delete",
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
980 expr_name);
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
981 return ast_error(c, n, buf);
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
982 }
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
983
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
984 /* If the LHS is a list or tuple, we need to set the assignment
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
985 context for all the contained elements.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
986 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
987 if (s) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
988 int i;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
989
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
990 for (i = 0; i < asdl_seq_LEN(s); i++) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
991 if (!set_context(c, (expr_ty)asdl_seq_GET(s, i), ctx, n))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
992 return 0;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
993 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
994 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
995 return 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
996 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
997
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
998 static operator_ty
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
999 ast_for_augassign(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1000 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1001 REQ(n, augassign);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1002 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1003 switch (STR(n)[0]) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1004 case '+':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1005 return Add;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1006 case '-':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1007 return Sub;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1008 case '/':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1009 if (STR(n)[1] == '/')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1010 return FloorDiv;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1011 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1012 return Div;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1013 case '%':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1014 return Mod;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1015 case '<':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1016 return LShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1017 case '>':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1018 return RShift;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1019 case '&':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1020 return BitAnd;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1021 case '^':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1022 return BitXor;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1023 case '|':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1024 return BitOr;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1025 case '*':
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1026 if (STR(n)[1] == '*')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1027 return Pow;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1028 else
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1029 return Mult;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1030 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
1031 PyErr_Format(PyExc_SystemError, "invalid augassign: %s", STR(n));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1032 return (operator_ty)0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1033 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1034 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1035
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1036 static cmpop_ty
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1037 ast_for_comp_op(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1038 {
39648
efe3f2c0da5e Killed the <> operator. You must now use !=.
Guido van Rossum <guido@python.org>
parents: 39610
diff changeset
1039 /* comp_op: '<'|'>'|'=='|'>='|'<='|'!='|'in'|'not' 'in'|'is'
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1040 |'is' 'not'
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1041 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1042 REQ(n, comp_op);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1043 if (NCH(n) == 1) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1044 n = CHILD(n, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1045 switch (TYPE(n)) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1046 case LESS:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1047 return Lt;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1048 case GREATER:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1049 return Gt;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1050 case EQEQUAL: /* == */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1051 return Eq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1052 case LESSEQUAL:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1053 return LtE;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1054 case GREATEREQUAL:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1055 return GtE;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1056 case NOTEQUAL:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1057 return NotEq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1058 case NAME:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1059 if (strcmp(STR(n), "in") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1060 return In;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1061 if (strcmp(STR(n), "is") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1062 return Is;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1063 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
1064 PyErr_Format(PyExc_SystemError, "invalid comp_op: %s",
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1065 STR(n));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1066 return (cmpop_ty)0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1067 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1068 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1069 else if (NCH(n) == 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1070 /* handle "not in" and "is not" */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1071 switch (TYPE(CHILD(n, 0))) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1072 case NAME:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1073 if (strcmp(STR(CHILD(n, 1)), "in") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1074 return NotIn;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1075 if (strcmp(STR(CHILD(n, 0)), "is") == 0)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1076 return IsNot;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1077 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
1078 PyErr_Format(PyExc_SystemError, "invalid comp_op: %s %s",
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1079 STR(CHILD(n, 0)), STR(CHILD(n, 1)));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1080 return (cmpop_ty)0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1081 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1082 }
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
1083 PyErr_Format(PyExc_SystemError, "invalid comp_op: has %d children",
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1084 NCH(n));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1085 return (cmpop_ty)0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1086 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1087
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1088 static asdl_seq *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1089 seq_for_testlist(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1090 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
1091 /* testlist: test (',' test)* [',']
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
1092 testlist_star_expr: test|star_expr (',' test|star_expr)* [',']
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
1093 */
35759
d91ed7107fd2 ANSI-C-ify the placement of local var declarations.
Armin Rigo <arigo@tunes.org>
parents: 35748
diff changeset
1094 asdl_seq *seq;
d91ed7107fd2 ANSI-C-ify the placement of local var declarations.
Armin Rigo <arigo@tunes.org>
parents: 35748
diff changeset
1095 expr_ty expression;
d91ed7107fd2 ANSI-C-ify the placement of local var declarations.
Armin Rigo <arigo@tunes.org>
parents: 35748
diff changeset
1096 int i;
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
1097 assert(TYPE(n) == testlist || TYPE(n) == testlist_star_expr || TYPE(n) == testlist_comp);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1098
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1099 seq = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1100 if (!seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1101 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1102
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1103 for (i = 0; i < NCH(n); i += 2) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
1104 const node *ch = CHILD(n, i);
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
1105 assert(TYPE(ch) == test || TYPE(ch) == test_nocond || TYPE(ch) == star_expr);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1106
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
1107 expression = ast_for_expr(c, ch);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1108 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1109 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1110
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1111 assert(i / 2 < seq->size);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1112 asdl_seq_SET(seq, i / 2, expression);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1113 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1114 return seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1115 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1116
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1117 static arg_ty
75543
fe0b2681a42f use correct naming convention
Benjamin Peterson <benjamin@python.org>
parents: 70916
diff changeset
1118 ast_for_arg(struct compiling *c, const node *n)
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1119 {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1120 identifier name;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1121 expr_ty annotation = NULL;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1122 node *ch;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1123
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1124 assert(TYPE(n) == tfpdef || TYPE(n) == vfpdef);
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1125 ch = CHILD(n, 0);
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1126 name = NEW_IDENTIFIER(ch);
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1127 if (!name)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1128 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1129 if (forbidden_name(c, name, ch, 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
1130 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1131
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1132 if (NCH(n) == 3 && TYPE(CHILD(n, 1)) == COLON) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1133 annotation = ast_for_expr(c, CHILD(n, 2));
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1134 if (!annotation)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1135 return NULL;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1136 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1137
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1138 return arg(name, annotation, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1139 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1140
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1141 /* returns -1 if failed to handle keyword only arguments
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1142 returns new position to keep processing if successful
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1143 (',' tfpdef ['=' test])*
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1144 ^^^
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1145 start pointing here
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1146 */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1147 static int
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1148 handle_keywordonly_args(struct compiling *c, const node *n, int start,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1149 asdl_seq *kwonlyargs, asdl_seq *kwdefaults)
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1150 {
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
1151 PyObject *argname;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1152 node *ch;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1153 expr_ty expression, annotation;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1154 arg_ty arg;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1155 int i = start;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1156 int j = 0; /* index for kwdefaults and kwonlyargs */
44246
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
1157
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
1158 if (kwonlyargs == NULL) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1159 ast_error(c, CHILD(n, start), "named arguments must follow bare *");
44246
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
1160 return -1;
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
1161 }
aac33ee1a8fc Issue #1573, second attempt:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 44237
diff changeset
1162 assert(kwdefaults != NULL);
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1163 while (i < NCH(n)) {
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1164 ch = CHILD(n, i);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1165 switch (TYPE(ch)) {
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1166 case vfpdef:
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1167 case tfpdef:
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1168 if (i + 1 < NCH(n) && TYPE(CHILD(n, i + 1)) == EQUAL) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1169 expression = ast_for_expr(c, CHILD(n, i + 2));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1170 if (!expression)
64185
38ceeae0d1f0 Merged revisions 84214 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64183
diff changeset
1171 goto error;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1172 asdl_seq_SET(kwdefaults, j, expression);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1173 i += 2; /* '=' and test */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1174 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1175 else { /* setting NULL if no default value exists */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1176 asdl_seq_SET(kwdefaults, j, NULL);
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1177 }
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1178 if (NCH(ch) == 3) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1179 /* ch is NAME ':' test */
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1180 annotation = ast_for_expr(c, CHILD(ch, 2));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1181 if (!annotation)
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1182 goto error;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1183 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1184 else {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1185 annotation = NULL;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1186 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1187 ch = CHILD(ch, 0);
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
1188 argname = NEW_IDENTIFIER(ch);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
1189 if (!argname)
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1190 goto error;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1191 if (forbidden_name(c, argname, ch, 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
1192 goto error;
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
1193 arg = arg(argname, annotation, c->c_arena);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
1194 if (!arg)
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
1195 goto error;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1196 asdl_seq_SET(kwonlyargs, j++, arg);
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1197 i += 2; /* the name and the comma */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1198 break;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1199 case DOUBLESTAR:
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1200 return i;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1201 default:
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1202 ast_error(c, ch, "unexpected node");
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1203 goto error;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1204 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1205 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1206 return i;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1207 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1208 return -1;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1209 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1210
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
1211 /* Create AST for argument list. */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1212
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1213 static arguments_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1214 ast_for_arguments(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1215 {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1216 /* This function handles both typedargslist (function definition)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
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1217 and varargslist (lambda definition).
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1218
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1219 parameters: '(' [typedargslist] ')'
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diff changeset
1220 typedargslist: ((tfpdef ['=' test] ',')*
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1221 ('*' [tfpdef] (',' tfpdef ['=' test])* [',' '**' tfpdef]
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1222 | '**' tfpdef)
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1223 | tfpdef ['=' test] (',' tfpdef ['=' test])* [','])
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1224 tfpdef: NAME [':' test]
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1225 varargslist: ((vfpdef ['=' test] ',')*
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1226 ('*' [vfpdef] (',' vfpdef ['=' test])* [',' '**' vfpdef]
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1227 | '**' vfpdef)
40529
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diff changeset
1228 | vfpdef ['=' test] (',' vfpdef ['=' test])* [','])
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1229 vfpdef: NAME
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1230 */
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1231 int i, j, k, nposargs = 0, nkwonlyargs = 0;
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diff changeset
1232 int nposdefaults = 0, found_default = 0;
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1233 asdl_seq *posargs, *posdefaults, *kwonlyargs, *kwdefaults;
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1234 identifier vararg = NULL, kwarg = NULL;
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1235 arg_ty arg;
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1236 expr_ty varargannotation = NULL, kwargannotation = NULL;
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1237 node *ch;
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1238
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1239 if (TYPE(n) == parameters) {
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1240 if (NCH(n) == 2) /* () as argument list */
40529
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diff changeset
1241 return arguments(NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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1242 NULL, c->c_arena);
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1243 n = CHILD(n, 1);
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1244 }
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1245 assert(TYPE(n) == typedargslist || TYPE(n) == varargslist);
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1246
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1247 /* First count the number of positional args & defaults. The
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
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1248 variable i is the loop index for this for loop and the next.
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1249 The next loop picks up where the first leaves off.
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1250 */
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1251 for (i = 0; i < NCH(n); i++) {
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1252 ch = CHILD(n, i);
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1253 if (TYPE(ch) == STAR) {
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1254 /* skip star */
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1255 i++;
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1256 if (i < NCH(n) && /* skip argument following star */
dbc2b7ad0c22 Fix uninitialized memory read for cases like def(f, *): pass
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1257 (TYPE(CHILD(n, i)) == tfpdef ||
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1258 TYPE(CHILD(n, i)) == vfpdef)) {
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1259 i++;
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1260 }
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1261 break;
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1262 }
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1263 if (TYPE(ch) == DOUBLESTAR) break;
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1264 if (TYPE(ch) == vfpdef || TYPE(ch) == tfpdef) nposargs++;
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1265 if (TYPE(ch) == EQUAL) nposdefaults++;
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1266 }
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1267 /* count the number of keyword only args &
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1268 defaults for keyword only args */
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1269 for ( ; i < NCH(n); ++i) {
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1270 ch = CHILD(n, i);
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1271 if (TYPE(ch) == DOUBLESTAR) break;
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1272 if (TYPE(ch) == tfpdef || TYPE(ch) == vfpdef) nkwonlyargs++;
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1273 }
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1274 posargs = (nposargs ? asdl_seq_new(nposargs, c->c_arena) : NULL);
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1275 if (!posargs && nposargs)
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1276 return NULL;
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diff changeset
1277 kwonlyargs = (nkwonlyargs ?
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diff changeset
1278 asdl_seq_new(nkwonlyargs, c->c_arena) : NULL);
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diff changeset
1279 if (!kwonlyargs && nkwonlyargs)
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diff changeset
1280 return NULL;
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diff changeset
1281 posdefaults = (nposdefaults ?
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diff changeset
1282 asdl_seq_new(nposdefaults, c->c_arena) : NULL);
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1283 if (!posdefaults && nposdefaults)
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1284 return NULL;
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1285 /* The length of kwonlyargs and kwdefaults are same
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1286 since we set NULL as default for keyword only argument w/o default
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1287 - we have sequence data structure, but no dictionary */
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1288 kwdefaults = (nkwonlyargs ?
40215
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diff changeset
1289 asdl_seq_new(nkwonlyargs, c->c_arena) : NULL);
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1290 if (!kwdefaults && nkwonlyargs)
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1291 return NULL;
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diff changeset
1292
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1293 if (nposargs + nkwonlyargs > 255) {
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1294 ast_error(c, n, "more than 255 arguments");
40529
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diff changeset
1295 return NULL;
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1296 }
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1297
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diff changeset
1298 /* tfpdef: NAME [':' test]
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1299 vfpdef: NAME
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1300 */
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1301 i = 0;
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1302 j = 0; /* index for defaults */
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
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1303 k = 0; /* index for args */
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1304 while (i < NCH(n)) {
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diff changeset
1305 ch = CHILD(n, i);
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diff changeset
1306 switch (TYPE(ch)) {
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diff changeset
1307 case tfpdef:
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1308 case vfpdef:
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1309 /* XXX Need to worry about checking if TYPE(CHILD(n, i+1)) is
1c4d192f1568 Merge ast-branch to head
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1310 anything other than EQUAL or a comma? */
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1311 /* XXX Should NCH(n) check be made a separate check? */
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diff changeset
1312 if (i + 1 < NCH(n) && TYPE(CHILD(n, i + 1)) == EQUAL) {
39442
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diff changeset
1313 expr_ty expression = ast_for_expr(c, CHILD(n, i + 2));
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
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diff changeset
1314 if (!expression)
64183
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1315 return NULL;
40215
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1316 assert(posdefaults != NULL);
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1317 asdl_seq_SET(posdefaults, j++, expression);
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1318 i += 2;
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diff changeset
1319 found_default = 1;
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1320 }
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1321 else if (found_default) {
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1322 ast_error(c, n,
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diff changeset
1323 "non-default argument follows default argument");
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1324 return NULL;
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1325 }
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1326 arg = ast_for_arg(c, ch);
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1327 if (!arg)
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1328 return NULL;
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1329 asdl_seq_SET(posargs, k++, arg);
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1330 i += 2; /* the name and the comma */
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1331 break;
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1332 case STAR:
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diff changeset
1333 if (i+1 >= NCH(n)) {
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1334 ast_error(c, CHILD(n, i),
44246
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diff changeset
1335 "named arguments must follow bare *");
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1336 return NULL;
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1337 }
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1338 ch = CHILD(n, i+1); /* tfpdef or COMMA */
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diff changeset
1339 if (TYPE(ch) == COMMA) {
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diff changeset
1340 int res = 0;
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diff changeset
1341 i += 2; /* now follows keyword only arguments */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1342 res = handle_keywordonly_args(c, n, i,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1343 kwonlyargs, kwdefaults);
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1344 if (res == -1) return NULL;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1345 i = res; /* res has new position to process */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1346 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1347 else {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1348 vararg = NEW_IDENTIFIER(CHILD(ch, 0));
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1349 if (!vararg)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1350 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1351 if (forbidden_name(c, vararg, CHILD(ch, 0), 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
1352 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1353 if (NCH(ch) > 1) {
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1354 /* there is an annotation on the vararg */
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1355 varargannotation = ast_for_expr(c, CHILD(ch, 2));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1356 if (!varargannotation)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1357 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1358 }
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1359 i += 3;
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1360 if (i < NCH(n) && (TYPE(CHILD(n, i)) == tfpdef
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1361 || TYPE(CHILD(n, i)) == vfpdef)) {
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1362 int res = 0;
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1363 res = handle_keywordonly_args(c, n, i,
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1364 kwonlyargs, kwdefaults);
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1365 if (res == -1) return NULL;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1366 i = res; /* res has new position to process */
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1367 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1368 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1369 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1370 case DOUBLESTAR:
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1371 ch = CHILD(n, i+1); /* tfpdef */
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41716
diff changeset
1372 assert(TYPE(ch) == tfpdef || TYPE(ch) == vfpdef);
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1373 kwarg = NEW_IDENTIFIER(CHILD(ch, 0));
64185
38ceeae0d1f0 Merged revisions 84214 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64183
diff changeset
1374 if (!kwarg)
38ceeae0d1f0 Merged revisions 84214 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 64183
diff changeset
1375 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1376 if (NCH(ch) > 1) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1377 /* there is an annotation on the kwarg */
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1378 kwargannotation = ast_for_expr(c, CHILD(ch, 2));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1379 if (!kwargannotation)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1380 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1381 }
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1382 if (forbidden_name(c, kwarg, CHILD(ch, 0), 0))
64178
5fd26f452600 Check the return values for all functions returning an ast node.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62373
diff changeset
1383 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1384 i += 3;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1385 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1386 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
1387 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1388 "unexpected node in varargslist: %d @ %d",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1389 TYPE(ch), i);
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1390 return NULL;
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1391 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1392 }
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1393 return arguments(posargs, vararg, varargannotation, kwonlyargs, kwarg,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1394 kwargannotation, posdefaults, kwdefaults, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1395 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1396
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1397 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1398 ast_for_dotted_name(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1399 {
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1400 expr_ty e;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1401 identifier id;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1402 int lineno, col_offset;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1403 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1404
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1405 REQ(n, dotted_name);
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1406
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1407 lineno = LINENO(n);
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1408 col_offset = n->n_col_offset;
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1409
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1410 id = NEW_IDENTIFIER(CHILD(n, 0));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1411 if (!id)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1412 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1413 e = Name(id, Load, lineno, col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1414 if (!e)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1415 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1416
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1417 for (i = 2; i < NCH(n); i+=2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1418 id = NEW_IDENTIFIER(CHILD(n, i));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1419 if (!id)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1420 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1421 e = Attribute(e, id, Load, lineno, col_offset, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1422 if (!e)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1423 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1424 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1425
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1426 return e;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1427 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1428
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1429 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1430 ast_for_decorator(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1431 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1432 /* decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1433 expr_ty d = NULL;
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1434 expr_ty name_expr;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1435
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1436 REQ(n, decorator);
36418
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
1437 REQ(CHILD(n, 0), AT);
a625e8876407 Improved handling of syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36242
diff changeset
1438 REQ(RCHILD(n, -1), NEWLINE);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1439
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1440 name_expr = ast_for_dotted_name(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1441 if (!name_expr)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1442 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1443
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1444 if (NCH(n) == 3) { /* No arguments */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1445 d = name_expr;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1446 name_expr = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1447 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1448 else if (NCH(n) == 5) { /* Call with no arguments */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1449 d = Call(name_expr, NULL, NULL, NULL, NULL, LINENO(n),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1450 n->n_col_offset, c->c_arena);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1451 if (!d)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1452 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1453 name_expr = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1454 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1455 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1456 d = ast_for_call(c, CHILD(n, 3), name_expr);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1457 if (!d)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1458 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1459 name_expr = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1460 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1461
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1462 return d;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1463 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1464
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1465 static asdl_seq*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1466 ast_for_decorators(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1467 {
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1468 asdl_seq* decorator_seq;
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
1469 expr_ty d;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1470 int i;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1471
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1472 REQ(n, decorators);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1473 decorator_seq = asdl_seq_new(NCH(n), c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1474 if (!decorator_seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1475 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1476
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1477 for (i = 0; i < NCH(n); i++) {
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
1478 d = ast_for_decorator(c, CHILD(n, i));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1479 if (!d)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1480 return NULL;
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1481 asdl_seq_SET(decorator_seq, i, d);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1482 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1483 return decorator_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1484 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1485
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1486 static stmt_ty
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1487 ast_for_funcdef(struct compiling *c, const node *n, asdl_seq *decorator_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1488 {
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1489 /* funcdef: 'def' NAME parameters ['->' test] ':' suite */
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1490 identifier name;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1491 arguments_ty args;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1492 asdl_seq *body;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1493 expr_ty returns = NULL;
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1494 int name_i = 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1495
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1496 REQ(n, funcdef);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1497
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1498 name = NEW_IDENTIFIER(CHILD(n, name_i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1499 if (!name)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1500 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1501 if (forbidden_name(c, name, CHILD(n, name_i), 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
1502 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1503 args = ast_for_arguments(c, CHILD(n, name_i + 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1504 if (!args)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1505 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1506 if (TYPE(CHILD(n, name_i+2)) == RARROW) {
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1507 returns = ast_for_expr(c, CHILD(n, name_i + 3));
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1508 if (!returns)
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
1509 return NULL;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1510 name_i += 2;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1511 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1512 body = ast_for_suite(c, CHILD(n, name_i + 3));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1513 if (!body)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1514 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1515
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1516 return FunctionDef(name, args, body, decorator_seq, returns, LINENO(n),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1517 n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1518 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1519
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1520 static stmt_ty
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1521 ast_for_decorated(struct compiling *c, const node *n)
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1522 {
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1523 /* decorated: decorators (classdef | funcdef) */
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1524 stmt_ty thing = NULL;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1525 asdl_seq *decorator_seq = NULL;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1526
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1527 REQ(n, decorated);
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1528
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1529 decorator_seq = ast_for_decorators(c, CHILD(n, 0));
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1530 if (!decorator_seq)
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1531 return NULL;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1532
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1533 assert(TYPE(CHILD(n, 1)) == funcdef ||
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1534 TYPE(CHILD(n, 1)) == classdef);
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1535
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1536 if (TYPE(CHILD(n, 1)) == funcdef) {
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1537 thing = ast_for_funcdef(c, CHILD(n, 1), decorator_seq);
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1538 } else if (TYPE(CHILD(n, 1)) == classdef) {
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1539 thing = ast_for_classdef(c, CHILD(n, 1), decorator_seq);
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1540 }
45448
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1541 /* we count the decorators in when talking about the class' or
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1542 * function's line number */
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1543 if (thing) {
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1544 thing->lineno = LINENO(n);
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1545 thing->col_offset = n->n_col_offset;
f1b50aa5d5af Patch from Georg Brandl: Fix co_lineno of decorated function and class objects. If you see an error in test_inspect please delete all pyc files.
Christian Heimes <christian@cheimes.de>
parents: 44442
diff changeset
1546 }
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1547 return thing;
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1548 }
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
1549
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1550 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1551 ast_for_lambdef(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1552 {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1553 /* lambdef: 'lambda' [varargslist] ':' test
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1554 lambdef_nocond: 'lambda' [varargslist] ':' test_nocond */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1555 arguments_ty args;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1556 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1557
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1558 if (NCH(n) == 3) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1559 args = arguments(NULL, NULL, NULL, NULL, NULL, NULL, NULL,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1560 NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1561 if (!args)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1562 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1563 expression = ast_for_expr(c, CHILD(n, 2));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1564 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1565 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1566 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1567 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1568 args = ast_for_arguments(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1569 if (!args)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1570 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1571 expression = ast_for_expr(c, CHILD(n, 3));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1572 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1573 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1574 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1575
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
1576 return Lambda(args, expression, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1577 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1578
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1579 static expr_ty
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1580 ast_for_ifexpr(struct compiling *c, const node *n)
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1581 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1582 /* test: or_test 'if' or_test 'else' test */
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1583 expr_ty expression, body, orelse;
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1584
36676
67c74efad8c2 Fix old not-reading-pep-308-right artifact.
Thomas Wouters <thomas@python.org>
parents: 36670
diff changeset
1585 assert(NCH(n) == 5);
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1586 body = ast_for_expr(c, CHILD(n, 0));
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1587 if (!body)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1588 return NULL;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1589 expression = ast_for_expr(c, CHILD(n, 2));
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1590 if (!expression)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1591 return NULL;
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1592 orelse = ast_for_expr(c, CHILD(n, 4));
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1593 if (!orelse)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1594 return NULL;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1595 return IfExp(expression, body, orelse, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
1596 c->c_arena);
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1597 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
1598
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1599 /*
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1600 Count the number of 'for' loops in a comprehension.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1601
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1602 Helper for ast_for_comprehension().
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1603 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1604
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1605 static int
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1606 count_comp_fors(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1607 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1608 int n_fors = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1609
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1610 count_comp_for:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1611 n_fors++;
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1612 REQ(n, comp_for);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1613 if (NCH(n) == 5)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1614 n = CHILD(n, 4);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1615 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1616 return n_fors;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1617 count_comp_iter:
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1618 REQ(n, comp_iter);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1619 n = CHILD(n, 0);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1620 if (TYPE(n) == comp_for)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1621 goto count_comp_for;
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1622 else if (TYPE(n) == comp_if) {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1623 if (NCH(n) == 3) {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1624 n = CHILD(n, 2);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1625 goto count_comp_iter;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1626 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1627 else
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1628 return n_fors;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1629 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
1630
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1631 /* Should never be reached */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1632 PyErr_SetString(PyExc_SystemError,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1633 "logic error in count_comp_fors");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1634 return -1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1635 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1636
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1637 /* Count the number of 'if' statements in a comprehension.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1638
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1639 Helper for ast_for_comprehension().
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1640 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1641
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1642 static int
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1643 count_comp_ifs(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1644 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1645 int n_ifs = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1646
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1647 while (1) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1648 REQ(n, comp_iter);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1649 if (TYPE(CHILD(n, 0)) == comp_for)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1650 return n_ifs;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1651 n = CHILD(n, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1652 REQ(n, comp_if);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1653 n_ifs++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1654 if (NCH(n) == 2)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1655 return n_ifs;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1656 n = CHILD(n, 2);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
1657 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1658 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1659
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1660 static asdl_seq *
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1661 ast_for_comprehension(struct compiling *c, const node *n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1662 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1663 int i, n_fors;
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1664 asdl_seq *comps;
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1665
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1666 n_fors = count_comp_fors(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1667 if (n_fors == -1)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1668 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1669
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1670 comps = asdl_seq_new(n_fors, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1671 if (!comps)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1672 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1673
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1674 for (i = 0; i < n_fors; i++) {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1675 comprehension_ty comp;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1676 asdl_seq *t;
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
1677 expr_ty expression, first;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1678 node *for_ch;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1679
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1680 REQ(n, comp_for);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1681
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1682 for_ch = CHILD(n, 1);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1683 t = ast_for_exprlist(c, for_ch, Store);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1684 if (!t)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1685 return NULL;
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1686 expression = ast_for_expr(c, CHILD(n, 3));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1687 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1688 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1689
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1690 /* Check the # of children rather than the length of t, since
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1691 (x for x, in ...) has 1 element in t, but still requires a Tuple. */
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
1692 first = (expr_ty)asdl_seq_GET(t, 0);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1693 if (NCH(for_ch) == 1)
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
1694 comp = comprehension(first, expression, NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1695 else
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
1696 comp = comprehension(Tuple(t, Store, first->lineno, first->col_offset,
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
1697 c->c_arena),
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
1698 expression, NULL, c->c_arena);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1699 if (!comp)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1700 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1701
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1702 if (NCH(n) == 5) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1703 int j, n_ifs;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1704 asdl_seq *ifs;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1705
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1706 n = CHILD(n, 4);
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1707 n_ifs = count_comp_ifs(c, n);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1708 if (n_ifs == -1)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1709 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1710
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1711 ifs = asdl_seq_new(n_ifs, c->c_arena);
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1712 if (!ifs)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1713 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1714
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1715 for (j = 0; j < n_ifs; j++) {
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1716 REQ(n, comp_iter);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1717 n = CHILD(n, 0);
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1718 REQ(n, comp_if);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1719
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1720 expression = ast_for_expr(c, CHILD(n, 1));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1721 if (!expression)
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
1722 return NULL;
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
1723 asdl_seq_SET(ifs, j, expression);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1724 if (NCH(n) == 3)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1725 n = CHILD(n, 2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1726 }
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
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parents: 42084
diff changeset
1727 /* on exit, must guarantee that n is a comp_for */
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1728 if (TYPE(n) == comp_iter)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1729 n = CHILD(n, 0);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1730 comp->ifs = ifs;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1731 }
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1732 asdl_seq_SET(comps, i, comp);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1733 }
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1734 return comps;
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1735 }
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1736
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1737 static expr_ty
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1738 ast_for_itercomp(struct compiling *c, const node *n, int type)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1739 {
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1740 /* testlist_comp: test ( comp_for | (',' test)* [','] )
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1741 argument: [test '='] test [comp_for] # Really [keyword '='] test */
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1742 expr_ty elt;
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1743 asdl_seq *comps;
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f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1744
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1745 assert(NCH(n) > 1);
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f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1746
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parents: 42084
diff changeset
1747 elt = ast_for_expr(c, CHILD(n, 0));
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1748 if (!elt)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1749 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1750
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1751 comps = ast_for_comprehension(c, CHILD(n, 1));
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1752 if (!comps)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1753 return NULL;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1754
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1755 if (type == COMP_GENEXP)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1756 return GeneratorExp(elt, comps, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1757 else if (type == COMP_LISTCOMP)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1758 return ListComp(elt, comps, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1759 else if (type == COMP_SETCOMP)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1760 return SetComp(elt, comps, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1761 else
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1762 /* Should never happen */
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parents: 41235
diff changeset
1763 return NULL;
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1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1764 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1765
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1766 static expr_ty
42193
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diff changeset
1767 ast_for_dictcomp(struct compiling *c, const node *n)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1768 {
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1769 expr_ty key, value;
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1770 asdl_seq *comps;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1771
42193
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diff changeset
1772 assert(NCH(n) > 3);
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parents: 42084
diff changeset
1773 REQ(CHILD(n, 1), COLON);
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diff changeset
1774
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parents: 42084
diff changeset
1775 key = ast_for_expr(c, CHILD(n, 0));
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parents: 42084
diff changeset
1776 if (!key)
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parents: 42084
diff changeset
1777 return NULL;
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parents: 42084
diff changeset
1778 value = ast_for_expr(c, CHILD(n, 2));
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1779 if (!value)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1780 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1781
42193
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diff changeset
1782 comps = ast_for_comprehension(c, CHILD(n, 3));
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1783 if (!comps)
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1784 return NULL;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1785
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1786 return DictComp(key, value, comps, LINENO(n), n->n_col_offset, c->c_arena);
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1787 }
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1788
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1789 static expr_ty
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1790 ast_for_genexp(struct compiling *c, const node *n)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1791 {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1792 assert(TYPE(n) == (testlist_comp) || TYPE(n) == (argument));
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1793 return ast_for_itercomp(c, n, COMP_GENEXP);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1794 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1795
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1796 static expr_ty
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1797 ast_for_listcomp(struct compiling *c, const node *n)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1798 {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1799 assert(TYPE(n) == (testlist_comp));
42193
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parents: 42084
diff changeset
1800 return ast_for_itercomp(c, n, COMP_LISTCOMP);
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1801 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1802
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1803 static expr_ty
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1804 ast_for_setcomp(struct compiling *c, const node *n)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1805 {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1806 assert(TYPE(n) == (dictorsetmaker));
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1807 return ast_for_itercomp(c, n, COMP_SETCOMP);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1808 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1809
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1810
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1811 static expr_ty
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1812 ast_for_atom(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1813 {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1814 /* atom: '(' [yield_expr|testlist_comp] ')' | '[' [testlist_comp] ']'
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1815 | '{' [dictmaker|testlist_comp] '}' | NAME | NUMBER | STRING+
41969
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Guido van Rossum <guido@python.org>
parents: 41824
diff changeset
1816 | '...' | 'None' | 'True' | 'False'
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1817 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1818 node *ch = CHILD(n, 0);
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1819 int bytesmode = 0;
61467
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parents: 56955
diff changeset
1820
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1821 switch (TYPE(ch)) {
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1822 case NAME: {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1823 /* All names start in Load context, but may later be
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1824 changed. */
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1825 PyObject *name = NEW_IDENTIFIER(ch);
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1826 if (!name)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1827 return NULL;
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1828 return Name(name, Load, LINENO(n), n->n_col_offset, c->c_arena);
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
1829 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1830 case STRING: {
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1831 PyObject *str = parsestrplus(c, n, &bytesmode);
42309
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1832 if (!str) {
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
1833 if (PyErr_ExceptionMatches(PyExc_UnicodeError)) {
42309
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
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parents: 42193
diff changeset
1834 PyObject *type, *value, *tback, *errstr;
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1835 PyErr_Fetch(&type, &value, &tback);
49797
f403d94157b2 Merged revisions 67320 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49697
diff changeset
1836 errstr = PyObject_Str(value);
42309
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1837 if (errstr) {
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1838 char *s = "";
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1839 char buf[128];
48660
85b67fb5672b Rename PyUnicode_AsString -> _PyUnicode_AsString and
Marc-André Lemburg <mal@egenix.com>
parents: 48515
diff changeset
1840 s = _PyUnicode_AsString(errstr);
42309
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1841 PyOS_snprintf(buf, sizeof(buf), "(unicode error) %s", s);
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1842 ast_error(c, n, buf);
49797
f403d94157b2 Merged revisions 67320 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49697
diff changeset
1843 Py_DECREF(errstr);
42309
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1844 } else {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
1845 ast_error(c, n, "(unicode error) unknown error");
42309
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Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1846 }
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1847 Py_DECREF(type);
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1848 Py_DECREF(value);
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1849 Py_XDECREF(tback);
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1850 }
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1851 return NULL;
42309
bd6acfdb47d2 Merged revisions 56301-56442 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42193
diff changeset
1852 }
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1853 PyArena_AddPyObject(c->c_arena, str);
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1854 if (bytesmode)
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1855 return Bytes(str, LINENO(n), n->n_col_offset, c->c_arena);
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1856 else
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
1857 return Str(str, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1858 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1859 case NUMBER: {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
1860 PyObject *pynum = parsenumber(c, STR(ch));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1861 if (!pynum)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1862 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1863
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1864 PyArena_AddPyObject(c->c_arena, pynum);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1865 return Num(pynum, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1866 }
41230
b1a18c7ed5ca Make ELLIPSIS a separate token. This makes it a syntax error to write ". . ." for Ellipsis.
Georg Brandl <georg@python.org>
parents: 41226
diff changeset
1867 case ELLIPSIS: /* Ellipsis */
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1868 return Ellipsis(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1869 case LPAR: /* some parenthesized expressions */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1870 ch = CHILD(n, 1);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1871
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1872 if (TYPE(ch) == RPAR)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1873 return Tuple(NULL, Load, LINENO(n), n->n_col_offset, c->c_arena);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1874
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1875 if (TYPE(ch) == yield_expr)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1876 return ast_for_expr(c, ch);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1877
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1878 /* testlist_comp: test ( comp_for | (',' test)* [','] ) */
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1879 if ((NCH(ch) > 1) && (TYPE(CHILD(ch, 1)) == comp_for))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1880 return ast_for_genexp(c, ch);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1881
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1882 return ast_for_testlist(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1883 case LSQB: /* list (or list comprehension) */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1884 ch = CHILD(n, 1);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1885
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1886 if (TYPE(ch) == RSQB)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1887 return List(NULL, Load, LINENO(n), n->n_col_offset, c->c_arena);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1888
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1889 REQ(ch, testlist_comp);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1890 if (NCH(ch) == 1 || TYPE(CHILD(ch, 1)) == COMMA) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1891 asdl_seq *elts = seq_for_testlist(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1892 if (!elts)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1893 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1894
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1895 return List(elts, Load, LINENO(n), n->n_col_offset, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1896 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1897 else
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1898 return ast_for_listcomp(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1899 case LBRACE: {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1900 /* dictorsetmaker: test ':' test (',' test ':' test)* [','] |
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1901 * test (gen_for | (',' test)* [',']) */
40529
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Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1902 int i, size;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1903 asdl_seq *keys, *values;
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1904
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
1905 ch = CHILD(n, 1);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1906 if (TYPE(ch) == RBRACE) {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1907 /* it's an empty dict */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1908 return Dict(NULL, NULL, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1909 } else if (NCH(ch) == 1 || TYPE(CHILD(ch, 1)) == COMMA) {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1910 /* it's a simple set */
41482
a5e410639e24 Make it compile with C89.
Guido van Rossum <guido@python.org>
parents: 41464
diff changeset
1911 asdl_seq *elts;
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1912 size = (NCH(ch) + 1) / 2; /* +1 in case no trailing comma */
41482
a5e410639e24 Make it compile with C89.
Guido van Rossum <guido@python.org>
parents: 41464
diff changeset
1913 elts = asdl_seq_new(size, c->c_arena);
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1914 if (!elts)
39693
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Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1915 return NULL;
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1916 for (i = 0; i < NCH(ch); i += 2) {
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1917 expr_ty expression;
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1918 expression = ast_for_expr(c, CHILD(ch, i));
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1919 if (!expression)
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Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1920 return NULL;
41464
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Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1921 asdl_seq_SET(elts, i / 2, expression);
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1922 }
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1923 return Set(elts, LINENO(n), n->n_col_offset, c->c_arena);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1924 } else if (TYPE(CHILD(ch, 1)) == comp_for) {
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1925 /* it's a set comprehension */
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
1926 return ast_for_setcomp(c, ch);
42193
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Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1927 } else if (NCH(ch) > 3 && TYPE(CHILD(ch, 3)) == comp_for) {
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1928 return ast_for_dictcomp(c, ch);
39693
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Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1929 } else {
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1930 /* it's a dict */
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1931 size = (NCH(ch) + 1) / 4; /* +1 in case no trailing comma */
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1932 keys = asdl_seq_new(size, c->c_arena);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1933 if (!keys)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1934 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1935
39693
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Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1936 values = asdl_seq_new(size, c->c_arena);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1937 if (!values)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1938 return NULL;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1939
39693
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Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1940 for (i = 0; i < NCH(ch); i += 4) {
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1941 expr_ty expression;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1942
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1943 expression = ast_for_expr(c, CHILD(ch, i));
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1944 if (!expression)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1945 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
1946
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1947 asdl_seq_SET(keys, i / 4, expression);
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
1948
39693
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1949 expression = ast_for_expr(c, CHILD(ch, i + 2));
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1950 if (!expression)
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1951 return NULL;
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1952
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1953 asdl_seq_SET(values, i / 4, expression);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1954 }
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1955 return Dict(keys, values, LINENO(n), n->n_col_offset, c->c_arena);
d0b83c4630c0 SF patch 1547796 by Georg Brandl -- set literals.
Guido van Rossum <guido@python.org>
parents: 39678
diff changeset
1956 }
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parents:
diff changeset
1957 }
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1958 default:
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1959 PyErr_Format(PyExc_SystemError, "unhandled atom %d", TYPE(ch));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1960 return NULL;
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1961 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1962 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1963
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1964 static slice_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1965 ast_for_slice(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1966 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1967 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1968 expr_ty lower = NULL, upper = NULL, step = NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1969
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1970 REQ(n, subscript);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1971
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1972 /*
39783
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Georg Brandl <georg@python.org>
parents: 39782
diff changeset
1973 subscript: test | [test] ':' [test] [sliceop]
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1974 sliceop: ':' [test]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1975 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1976 ch = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1977 if (NCH(n) == 1 && TYPE(ch) == test) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1978 /* 'step' variable hold no significance in terms of being used over
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1979 other vars */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1980 step = ast_for_expr(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1981 if (!step)
1c4d192f1568 Merge ast-branch to head
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parents:
diff changeset
1982 return NULL;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
1983
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1984 return Index(step, c->c_arena);
35742
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1985 }
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Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1986
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1987 if (TYPE(ch) == test) {
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1988 lower = ast_for_expr(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1989 if (!lower)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1990 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1991 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1992
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1993 /* If there's an upper bound it's in the second or third position. */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1994 if (TYPE(ch) == COLON) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1995 if (NCH(n) > 1) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1996 node *n2 = CHILD(n, 1);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1997
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1998 if (TYPE(n2) == test) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
1999 upper = ast_for_expr(c, n2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2000 if (!upper)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2001 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2002 }
40450
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Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2003 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2004 } else if (NCH(n) > 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2005 node *n2 = CHILD(n, 2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2006
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2007 if (TYPE(n2) == test) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2008 upper = ast_for_expr(c, n2);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2009 if (!upper)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2010 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2011 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2012 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2013
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2014 ch = CHILD(n, NCH(n) - 1);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2015 if (TYPE(ch) == sliceop) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2016 if (NCH(ch) != 1) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2017 ch = CHILD(ch, 1);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2018 if (TYPE(ch) == test) {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2019 step = ast_for_expr(c, ch);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2020 if (!step)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2021 return NULL;
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2022 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2023 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2024 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2025
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2026 return Slice(lower, upper, step, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2027 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2028
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2029 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2030 ast_for_binop(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2031 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2032 /* Must account for a sequence of expressions.
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2033 How should A op B op C by represented?
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2034 BinOp(BinOp(A, op, B), op, C).
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2035 */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2036
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2037 int i, nops;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2038 expr_ty expr1, expr2, result;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2039 operator_ty newoperator;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2040
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2041 expr1 = ast_for_expr(c, CHILD(n, 0));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2042 if (!expr1)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2043 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2044
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2045 expr2 = ast_for_expr(c, CHILD(n, 2));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2046 if (!expr2)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2047 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2048
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2049 newoperator = get_operator(CHILD(n, 1));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2050 if (!newoperator)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2051 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2052
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2053 result = BinOp(expr1, newoperator, expr2, LINENO(n), n->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2054 c->c_arena);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2055 if (!result)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2056 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2057
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2058 nops = (NCH(n) - 1) / 2;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2059 for (i = 1; i < nops; i++) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2060 expr_ty tmp_result, tmp;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2061 const node* next_oper = CHILD(n, i * 2 + 1);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2062
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2063 newoperator = get_operator(next_oper);
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2064 if (!newoperator)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2065 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2066
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2067 tmp = ast_for_expr(c, CHILD(n, i * 2 + 2));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2068 if (!tmp)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2069 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2070
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2071 tmp_result = BinOp(result, newoperator, tmp,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2072 LINENO(next_oper), next_oper->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2073 c->c_arena);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2074 if (!tmp_result)
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2075 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2076 result = tmp_result;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2077 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
2078 return result;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2079 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2080
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2081 static expr_ty
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2082 ast_for_trailer(struct compiling *c, const node *n, expr_ty left_expr)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2083 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2084 /* trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2085 subscriptlist: subscript (',' subscript)* [',']
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2086 subscript: '.' '.' '.' | test | [test] ':' [test] [sliceop]
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2087 */
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2088 REQ(n, trailer);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2089 if (TYPE(CHILD(n, 0)) == LPAR) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2090 if (NCH(n) == 2)
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2091 return Call(left_expr, NULL, NULL, NULL, NULL, LINENO(n),
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2092 n->n_col_offset, c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2093 else
36679
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
2094 return ast_for_call(c, CHILD(n, 1), left_expr);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2095 }
36679
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
2096 else if (TYPE(CHILD(n, 0)) == DOT ) {
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2097 PyObject *attr_id = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2098 if (!attr_id)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2099 return NULL;
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2100 return Attribute(left_expr, attr_id, Load,
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2101 LINENO(n), n->n_col_offset, c->c_arena);
36679
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
2102 }
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
2103 else {
e1391910b026 Simplify ast_for_trailer() in anticipation of more changes.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36676
diff changeset
2104 REQ(CHILD(n, 0), LSQB);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2105 REQ(CHILD(n, 2), RSQB);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2106 n = CHILD(n, 1);
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2107 if (NCH(n) == 1) {
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2108 slice_ty slc = ast_for_slice(c, CHILD(n, 0));
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2109 if (!slc)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2110 return NULL;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2111 return Subscript(left_expr, slc, Load, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2112 c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2113 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2114 else {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2115 /* The grammar is ambiguous here. The ambiguity is resolved
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2116 by treating the sequence as a tuple literal if there are
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2117 no slice features.
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2118 */
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2119 int j;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2120 slice_ty slc;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2121 expr_ty e;
40941
2ca14d6a369b Whoops, fix build breakage. There were still a few uses of the bool type.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40894
diff changeset
2122 int simple = 1;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2123 asdl_seq *slices, *elts;
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2124 slices = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2125 if (!slices)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2126 return NULL;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2127 for (j = 0; j < NCH(n); j += 2) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2128 slc = ast_for_slice(c, CHILD(n, j));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2129 if (!slc)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2130 return NULL;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2131 if (slc->kind != Index_kind)
40941
2ca14d6a369b Whoops, fix build breakage. There were still a few uses of the bool type.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40894
diff changeset
2132 simple = 0;
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2133 asdl_seq_SET(slices, j / 2, slc);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2134 }
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2135 if (!simple) {
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2136 return Subscript(left_expr, ExtSlice(slices, c->c_arena),
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2137 Load, LINENO(n), n->n_col_offset, c->c_arena);
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2138 }
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2139 /* extract Index values and put them in a Tuple */
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2140 elts = asdl_seq_new(asdl_seq_LEN(slices), c->c_arena);
36877
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36786
diff changeset
2141 if (!elts)
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36786
diff changeset
2142 return NULL;
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2143 for (j = 0; j < asdl_seq_LEN(slices); ++j) {
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2144 slc = (slice_ty)asdl_seq_GET(slices, j);
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2145 assert(slc->kind == Index_kind && slc->v.Index.value);
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2146 asdl_seq_SET(elts, j, slc->v.Index.value);
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2147 }
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2148 e = Tuple(elts, Load, LINENO(n), n->n_col_offset, c->c_arena);
36686
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2149 if (!e)
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2150 return NULL;
8611f39cd82b Fix parsing of subscriptlist.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36682
diff changeset
2151 return Subscript(left_expr, Index(e, c->c_arena),
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2152 Load, LINENO(n), n->n_col_offset, c->c_arena);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2153 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2154 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2155 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2156
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2157 static expr_ty
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2158 ast_for_factor(struct compiling *c, const node *n)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2159 {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2160 expr_ty expression;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2161
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2162 expression = ast_for_expr(c, CHILD(n, 1));
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2163 if (!expression)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2164 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2165
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2166 switch (TYPE(CHILD(n, 0))) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2167 case PLUS:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2168 return UnaryOp(UAdd, expression, LINENO(n), n->n_col_offset,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2169 c->c_arena);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2170 case MINUS:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2171 return UnaryOp(USub, expression, LINENO(n), n->n_col_offset,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2172 c->c_arena);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2173 case TILDE:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2174 return UnaryOp(Invert, expression, LINENO(n),
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2175 n->n_col_offset, c->c_arena);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2176 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2177 PyErr_Format(PyExc_SystemError, "unhandled factor: %d",
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2178 TYPE(CHILD(n, 0)));
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2179 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2180 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2181
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2182 static expr_ty
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2183 ast_for_power(struct compiling *c, const node *n)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2184 {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2185 /* power: atom trailer* ('**' factor)*
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2186 */
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2187 int i;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2188 expr_ty e, tmp;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2189 REQ(n, power);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2190 e = ast_for_atom(c, CHILD(n, 0));
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2191 if (!e)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2192 return NULL;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2193 if (NCH(n) == 1)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2194 return e;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2195 for (i = 1; i < NCH(n); i++) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2196 node *ch = CHILD(n, i);
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2197 if (TYPE(ch) != trailer)
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2198 break;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2199 tmp = ast_for_trailer(c, ch, e);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2200 if (!tmp)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2201 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2202 tmp->lineno = e->lineno;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2203 tmp->col_offset = e->col_offset;
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2204 e = tmp;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2205 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2206 if (TYPE(CHILD(n, NCH(n) - 1)) == factor) {
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2207 expr_ty f = ast_for_expr(c, CHILD(n, NCH(n) - 1));
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2208 if (!f)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2209 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2210 tmp = BinOp(e, Pow, f, LINENO(n), n->n_col_offset, c->c_arena);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2211 if (!tmp)
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2212 return NULL;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2213 e = tmp;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2214 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2215 return e;
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2216 }
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2217
41699
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2218 static expr_ty
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2219 ast_for_starred(struct compiling *c, const node *n)
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2220 {
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2221 expr_ty tmp;
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2222 REQ(n, star_expr);
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2223
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2224 tmp = ast_for_expr(c, CHILD(n, 1));
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2225 if (!tmp)
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2226 return NULL;
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2227
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2228 /* The Load context is changed later. */
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2229 return Starred(tmp, Load, LINENO(n), n->n_col_offset, c->c_arena);
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2230 }
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2231
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2232
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2233 /* Do not name a variable 'expr'! Will cause a compile error.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2234 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2235
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2236 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2237 ast_for_expr(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2238 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2239 /* handle the full range of simple expressions
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
2240 test: or_test ['if' or_test 'else' test] | lambdef
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2241 test_nocond: or_test | lambdef_nocond
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2242 or_test: and_test ('or' and_test)*
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2243 and_test: not_test ('and' not_test)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2244 not_test: 'not' not_test | comparison
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2245 comparison: expr (comp_op expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2246 expr: xor_expr ('|' xor_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2247 xor_expr: and_expr ('^' and_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2248 and_expr: shift_expr ('&' shift_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2249 shift_expr: arith_expr (('<<'|'>>') arith_expr)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2250 arith_expr: term (('+'|'-') term)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2251 term: factor (('*'|'/'|'%'|'//') factor)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2252 factor: ('+'|'-'|'~') factor | power
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2253 power: atom trailer* ('**' factor)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2254 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2255
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2256 asdl_seq *seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2257 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2258
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2259 loop:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2260 switch (TYPE(n)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2261 case test:
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2262 case test_nocond:
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
2263 if (TYPE(CHILD(n, 0)) == lambdef ||
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2264 TYPE(CHILD(n, 0)) == lambdef_nocond)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2265 return ast_for_lambdef(c, CHILD(n, 0));
36666
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
2266 else if (NCH(n) > 1)
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It
Thomas Wouters <thomas@python.org>
parents: 36444
diff changeset
2267 return ast_for_ifexpr(c, n);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2268 /* Fallthrough */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2269 case or_test:
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2270 case and_test:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2271 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2272 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2273 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2274 }
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2275 seq = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2276 if (!seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2277 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2278 for (i = 0; i < NCH(n); i += 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2279 expr_ty e = ast_for_expr(c, CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2280 if (!e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2281 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2282 asdl_seq_SET(seq, i / 2, e);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2283 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2284 if (!strcmp(STR(CHILD(n, 1)), "and"))
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2285 return BoolOp(And, seq, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2286 c->c_arena);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2287 assert(!strcmp(STR(CHILD(n, 1)), "or"));
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2288 return BoolOp(Or, seq, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2289 case not_test:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2290 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2291 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2292 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2293 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2294 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2295 expr_ty expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2296 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2297 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2298
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2299 return UnaryOp(Not, expression, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2300 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2301 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2302 case comparison:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2303 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2304 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2305 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2306 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2307 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2308 expr_ty expression;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2309 asdl_int_seq *ops;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2310 asdl_seq *cmps;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2311 ops = asdl_int_seq_new(NCH(n) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2312 if (!ops)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2313 return NULL;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2314 cmps = asdl_seq_new(NCH(n) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2315 if (!cmps) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2316 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2317 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2318 for (i = 1; i < NCH(n); i += 2) {
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2319 cmpop_ty newoperator;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2320
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2321 newoperator = ast_for_comp_op(c, CHILD(n, i));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2322 if (!newoperator) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2323 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2324 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2325
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2326 expression = ast_for_expr(c, CHILD(n, i + 1));
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
2327 if (!expression) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2328 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2329 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2330
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2331 asdl_seq_SET(ops, i / 2, newoperator);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2332 asdl_seq_SET(cmps, i / 2, expression);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2333 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2334 expression = ast_for_expr(c, CHILD(n, 0));
35873
76ed7fdc9d85 Fix a whole bunch of potential memory leaks (and some real ones too)
Neal Norwitz <nnorwitz@gmail.com>
parents: 35870
diff changeset
2335 if (!expression) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2336 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2337 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2338
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2339 return Compare(expression, ops, cmps, LINENO(n),
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2340 n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2341 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2342 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2343
41699
e16c8e5c5ca4 Merged revisions 55225-55227,55229-55269 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41698
diff changeset
2344 case star_expr:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
2345 return ast_for_starred(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2346 /* The next five cases all handle BinOps. The main body of code
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2347 is the same in each case, but the switch turned inside out to
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2348 reuse the code for each type of operator.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2349 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2350 case expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2351 case xor_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2352 case and_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2353 case shift_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2354 case arith_expr:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2355 case term:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2356 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2357 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2358 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2359 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2360 return ast_for_binop(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2361 case yield_expr: {
74356
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2362 node *an = NULL;
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2363 node *en = NULL;
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2364 int is_from = 0;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2365 expr_ty exp = NULL;
74356
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2366 if (NCH(n) > 1)
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2367 an = CHILD(n, 1); /* yield_arg */
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2368 if (an) {
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2369 en = CHILD(an, NCH(an) - 1);
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2370 if (NCH(an) == 2) {
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2371 is_from = 1;
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2372 exp = ast_for_expr(c, en);
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2373 }
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2374 else
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2375 exp = ast_for_testlist(c, en);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2376 if (!exp)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2377 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2378 }
74391
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780)
Benjamin Peterson <benjamin@python.org>
parents: 74356
diff changeset
2379 if (is_from)
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780)
Benjamin Peterson <benjamin@python.org>
parents: 74356
diff changeset
2380 return YieldFrom(exp, LINENO(n), n->n_col_offset, c->c_arena);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2381 return Yield(exp, LINENO(n), n->n_col_offset, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2382 }
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2383 case factor:
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2384 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2385 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2386 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2387 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2388 return ast_for_factor(c, n);
35799
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2389 case power:
842caa245917 Refactor code for translating "power" nodes.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35798
diff changeset
2390 return ast_for_power(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2391 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2392 PyErr_Format(PyExc_SystemError, "unhandled expr: %d", TYPE(n));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2393 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2394 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2395 /* should never get here unless if error is set */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2396 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2397 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2398
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2399 static expr_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2400 ast_for_call(struct compiling *c, const node *n, expr_ty func)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2401 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2402 /*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2403 arglist: (argument ',')* (argument [',']| '*' test [',' '**' test]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2404 | '**' test)
74356
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2405 argument: [test '='] (test) [comp_for] # Really [keyword '='] test
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2406 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2407
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2408 int i, nargs, nkeywords, ngens;
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2409 asdl_seq *args;
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2410 asdl_seq *keywords;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2411 expr_ty vararg = NULL, kwarg = NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2412
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2413 REQ(n, arglist);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2414
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2415 nargs = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2416 nkeywords = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2417 ngens = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2418 for (i = 0; i < NCH(n); i++) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2419 node *ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2420 if (TYPE(ch) == argument) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2421 if (NCH(ch) == 1)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2422 nargs++;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2423 else if (TYPE(CHILD(ch, 1)) == comp_for)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2424 ngens++;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2425 else
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2426 nkeywords++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2427 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2428 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2429 if (ngens > 1 || (ngens && (nargs || nkeywords))) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2430 ast_error(c, n, "Generator expression must be parenthesized "
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2431 "if not sole argument");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2432 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2433 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2434
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2435 if (nargs + nkeywords + ngens > 255) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2436 ast_error(c, n, "more than 255 arguments");
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2437 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2438 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2439
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2440 args = asdl_seq_new(nargs + ngens, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2441 if (!args)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2442 return NULL;
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2443 keywords = asdl_seq_new(nkeywords, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2444 if (!keywords)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2445 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2446 nargs = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2447 nkeywords = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2448 for (i = 0; i < NCH(n); i++) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2449 node *ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2450 if (TYPE(ch) == argument) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2451 expr_ty e;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2452 if (NCH(ch) == 1) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2453 if (nkeywords) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2454 ast_error(c, CHILD(ch, 0),
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2455 "non-keyword arg after keyword arg");
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2456 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2457 }
48777
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
2458 if (vararg) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2459 ast_error(c, CHILD(ch, 0),
48777
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
2460 "only named arguments may follow *expression");
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
2461 return NULL;
6abada05c313 allow keyword args after *args in a function call
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
2462 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2463 e = ast_for_expr(c, CHILD(ch, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2464 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2465 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2466 asdl_seq_SET(args, nargs++, e);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2467 }
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2468 else if (TYPE(CHILD(ch, 1)) == comp_for) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2469 e = ast_for_genexp(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2470 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2471 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2472 asdl_seq_SET(args, nargs++, e);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2473 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2474 else {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2475 keyword_ty kw;
48397
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2476 identifier key, tmp;
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2477 int k;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2478
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2479 /* CHILD(ch, 0) is test, but must be an identifier? */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2480 e = ast_for_expr(c, CHILD(ch, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2481 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2482 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2483 /* f(lambda x: x[0] = 3) ends up getting parsed with
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2484 * LHS test = lambda x: x[0], and RHS test = 3.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2485 * SF bug 132313 points out that complaining about a keyword
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2486 * then is very confusing.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2487 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2488 if (e->kind == Lambda_kind) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2489 ast_error(c, CHILD(ch, 0), "lambda cannot contain assignment");
74462
ffb58df8f9ea fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 74460
diff changeset
2490 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2491 } else if (e->kind != Name_kind) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2492 ast_error(c, CHILD(ch, 0), "keyword can't be an expression");
74462
ffb58df8f9ea fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 74460
diff changeset
2493 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2494 } else if (forbidden_name(c, e->v.Name.id, ch, 1)) {
74462
ffb58df8f9ea fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 74460
diff changeset
2495 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2496 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2497 key = e->v.Name.id;
48397
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2498 for (k = 0; k < nkeywords; k++) {
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2499 tmp = ((keyword_ty)asdl_seq_GET(keywords, k))->arg;
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2500 if (!PyUnicode_Compare(tmp, key)) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2501 ast_error(c, CHILD(ch, 0), "keyword argument repeated");
48397
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2502 return NULL;
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2503 }
42309437f1ca Merged revisions 64622 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48330
diff changeset
2504 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2505 e = ast_for_expr(c, CHILD(ch, 2));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2506 if (!e)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2507 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2508 kw = keyword(key, e, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2509 if (!kw)
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2510 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2511 asdl_seq_SET(keywords, nkeywords++, kw);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2512 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2513 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2514 else if (TYPE(ch) == STAR) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2515 vararg = ast_for_expr(c, CHILD(n, i+1));
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2516 if (!vararg)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2517 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2518 i++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2519 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2520 else if (TYPE(ch) == DOUBLESTAR) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2521 kwarg = ast_for_expr(c, CHILD(n, i+1));
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2522 if (!kwarg)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45448
diff changeset
2523 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2524 i++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2525 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2526 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2527
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2528 return Call(func, args, keywords, vararg, kwarg, func->lineno, func->col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2529 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2530
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2531 static expr_ty
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2532 ast_for_testlist(struct compiling *c, const node* n)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2533 {
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2534 /* testlist_comp: test (comp_for | (',' test)* [',']) */
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2535 /* testlist: test (',' test)* [','] */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2536 assert(NCH(n) > 0);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2537 if (TYPE(n) == testlist_comp) {
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2538 if (NCH(n) > 1)
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41235
diff changeset
2539 assert(TYPE(CHILD(n, 1)) != comp_for);
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2540 }
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2541 else {
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2542 assert(TYPE(n) == testlist ||
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
2543 TYPE(n) == testlist_star_expr);
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2544 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2545 if (NCH(n) == 1)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2546 return ast_for_expr(c, CHILD(n, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2547 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2548 asdl_seq *tmp = seq_for_testlist(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2549 if (!tmp)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2550 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2551 return Tuple(tmp, Load, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2552 }
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2553 }
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2554
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2555 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2556 ast_for_expr_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2557 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2558 REQ(n, expr_stmt);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56951
diff changeset
2559 /* expr_stmt: testlist_star_expr (augassign (yield_expr|testlist)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2560 | ('=' (yield_expr|testlist))*)
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
2561 testlist_star_expr: (test|star_expr) (',' test|star_expr)* [',']
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2562 augassign: '+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^='
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2563 | '<<=' | '>>=' | '**=' | '//='
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2564 test: ... here starts the operator precendence dance
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2565 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2566
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2567 if (NCH(n) == 1) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2568 expr_ty e = ast_for_testlist(c, CHILD(n, 0));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2569 if (!e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2570 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2571
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2572 return Expr(e, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2573 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2574 else if (TYPE(CHILD(n, 1)) == augassign) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2575 expr_ty expr1, expr2;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2576 operator_ty newoperator;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2577 node *ch = CHILD(n, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2578
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2579 expr1 = ast_for_testlist(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2580 if (!expr1)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2581 return NULL;
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2582 if(!set_context(c, expr1, Store, ch))
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2583 return NULL;
56363
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2584 /* set_context checks that most expressions are not the left side.
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2585 Augmented assignments can only have a name, a subscript, or an
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2586 attribute on the left, though, so we have to explicitly check for
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2587 those. */
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2588 switch (expr1->kind) {
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2589 case Name_kind:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2590 case Attribute_kind:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2591 case Subscript_kind:
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2592 break;
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2593 default:
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2594 ast_error(c, ch, "illegal expression for augmented assignment");
56363
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2595 return NULL;
4f49bd2e7c58 Merged revisions 75224 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2596 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2597
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2598 ch = CHILD(n, 2);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2599 if (TYPE(ch) == testlist)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2600 expr2 = ast_for_testlist(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2601 else
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2602 expr2 = ast_for_expr(c, ch);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2603 if (!expr2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2604 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2605
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2606 newoperator = ast_for_augassign(c, CHILD(n, 1));
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2607 if (!newoperator)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2608 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2609
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2610 return AugAssign(expr1, newoperator, expr2, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2611 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2612 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2613 int i;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2614 asdl_seq *targets;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2615 node *value;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2616 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2617
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2618 /* a normal assignment */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2619 REQ(CHILD(n, 1), EQUAL);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2620 targets = asdl_seq_new(NCH(n) / 2, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2621 if (!targets)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2622 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2623 for (i = 0; i < NCH(n) - 2; i += 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2624 expr_ty e;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2625 node *ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2626 if (TYPE(ch) == yield_expr) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2627 ast_error(c, ch, "assignment to yield expression not possible");
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2628 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2629 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2630 e = ast_for_testlist(c, ch);
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
2631 if (!e)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
2632 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2633
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2634 /* set context to assign */
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2635 if (!set_context(c, e, Store, CHILD(n, i)))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2636 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2637
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2638 asdl_seq_SET(targets, i / 2, e);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2639 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2640 value = CHILD(n, NCH(n) - 1);
56237
7ee140b7ef93 fix an ambiguity in the grammar from the implementation of extended unpacking
Benjamin Peterson <benjamin@python.org>
parents: 55912
diff changeset
2641 if (TYPE(value) == testlist_star_expr)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2642 expression = ast_for_testlist(c, value);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2643 else
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2644 expression = ast_for_expr(c, value);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2645 if (!expression)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2646 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2647 return Assign(targets, expression, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2648 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2649 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2650
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2651
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2652 static asdl_seq *
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
2653 ast_for_exprlist(struct compiling *c, const node *n, expr_context_ty context)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2654 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2655 asdl_seq *seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2656 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2657 expr_ty e;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2658
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2659 REQ(n, exprlist);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2660
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2661 seq = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2662 if (!seq)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2663 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2664 for (i = 0; i < NCH(n); i += 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2665 e = ast_for_expr(c, CHILD(n, i));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2666 if (!e)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2667 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2668 asdl_seq_SET(seq, i / 2, e);
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
2669 if (context && !set_context(c, e, context, CHILD(n, i)))
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2670 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2671 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2672 return seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2673 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2674
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2675 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2676 ast_for_del_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2677 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2678 asdl_seq *expr_list;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2679
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2680 /* del_stmt: 'del' exprlist */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2681 REQ(n, del_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2682
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2683 expr_list = ast_for_exprlist(c, CHILD(n, 1), Del);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2684 if (!expr_list)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2685 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2686 return Delete(expr_list, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2687 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2688
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2689 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2690 ast_for_flow_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2691 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2692 /*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2693 flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2694 | yield_stmt
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2695 break_stmt: 'break'
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2696 continue_stmt: 'continue'
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2697 return_stmt: 'return' [testlist]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2698 yield_stmt: yield_expr
74356
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682)
Nick Coghlan <ncoghlan@gmail.com>
parents: 74354
diff changeset
2699 yield_expr: 'yield' testlist | 'yield' 'from' test
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2700 raise_stmt: 'raise' [test [',' test [',' test]]]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2701 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2702 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2703
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2704 REQ(n, flow_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2705 ch = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2706 switch (TYPE(ch)) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2707 case break_stmt:
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2708 return Break(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2709 case continue_stmt:
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2710 return Continue(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2711 case yield_stmt: { /* will reduce to yield_expr */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2712 expr_ty exp = ast_for_expr(c, CHILD(ch, 0));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2713 if (!exp)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2714 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2715 return Expr(exp, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2716 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2717 case return_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2718 if (NCH(ch) == 1)
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2719 return Return(NULL, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2720 else {
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
2721 expr_ty expression = ast_for_testlist(c, CHILD(ch, 1));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2722 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2723 return NULL;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2724 return Return(expression, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2725 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2726 case raise_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2727 if (NCH(ch) == 1)
43102
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2728 return Raise(NULL, NULL, LINENO(n), n->n_col_offset, c->c_arena);
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2729 else if (NCH(ch) >= 2) {
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2730 expr_ty cause = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2731 expr_ty expression = ast_for_expr(c, CHILD(ch, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2732 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2733 return NULL;
43102
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2734 if (NCH(ch) == 4) {
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2735 cause = ast_for_expr(c, CHILD(ch, 3));
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2736 if (!cause)
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2737 return NULL;
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2738 }
981ecc526703 Issue #1066: implement PEP 3109, 2/3 of PEP 3134.
Collin Winter <collinw@gmail.com>
parents: 42597
diff changeset
2739 return Raise(expression, cause, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2740 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2741 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2742 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2743 "unexpected flow_stmt: %d", TYPE(ch));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2744 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2745 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2746
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2747 PyErr_SetString(PyExc_SystemError, "unhandled flow statement");
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2748 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2749 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2750
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2751 static alias_ty
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2752 alias_for_import_name(struct compiling *c, const node *n, int store)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2753 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2754 /*
36742
658f8ff2a442 Make 'as' an actual keyword when with's future statement is used. Not
Thomas Wouters <thomas@python.org>
parents: 36718
diff changeset
2755 import_as_name: NAME ['as' NAME]
658f8ff2a442 Make 'as' an actual keyword when with's future statement is used. Not
Thomas Wouters <thomas@python.org>
parents: 36718
diff changeset
2756 dotted_as_name: dotted_name ['as' NAME]
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2757 dotted_name: NAME ('.' NAME)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2758 */
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2759 identifier str, name;
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2760
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2761 loop:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2762 switch (TYPE(n)) {
70916
8ece0dacd8e8 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 69290
diff changeset
2763 case import_as_name: {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2764 node *name_node = CHILD(n, 0);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2765 str = NULL;
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2766 name = NEW_IDENTIFIER(name_node);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2767 if (!name)
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2768 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2769 if (NCH(n) == 3) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2770 node *str_node = CHILD(n, 2);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2771 str = NEW_IDENTIFIER(str_node);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2772 if (!str)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2773 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2774 if (store && forbidden_name(c, str, str_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2775 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
2776 }
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2777 else {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2778 if (forbidden_name(c, name, name_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2779 return NULL;
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2780 }
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2781 return alias(name, str, c->c_arena);
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2782 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2783 case dotted_as_name:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2784 if (NCH(n) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2785 n = CHILD(n, 0);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2786 goto loop;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2787 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2788 else {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2789 node *asname_node = CHILD(n, 2);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2790 alias_ty a = alias_for_import_name(c, CHILD(n, 0), 0);
39610
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39442
diff changeset
2791 if (!a)
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change,
Thomas Wouters <thomas@python.org>
parents: 39442
diff changeset
2792 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2793 assert(!a->asname);
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2794 a->asname = NEW_IDENTIFIER(asname_node);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2795 if (!a->asname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2796 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2797 if (forbidden_name(c, a->asname, asname_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2798 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2799 return a;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2800 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2801 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2802 case dotted_name:
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2803 if (NCH(n) == 1) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2804 node *name_node = CHILD(n, 0);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2805 name = NEW_IDENTIFIER(name_node);
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2806 if (!name)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2807 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2808 if (store && forbidden_name(c, name, name_node, 0))
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2809 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2810 return alias(name, NULL, c->c_arena);
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
2811 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2812 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2813 /* Create a string of the form "a.b.c" */
36242
0f5189607264 Repair bizarre indentation created by VC 7.1.
Tim Peters <tim.peters@gmail.com>
parents: 36241
diff changeset
2814 int i;
36241
557e9b6ee7e1 alias_for_import_name(): Dueling compiler warnings ;-)
Tim Peters <tim.peters@gmail.com>
parents: 36231
diff changeset
2815 size_t len;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2816 char *s;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2817 PyObject *uni;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2818
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2819 len = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2820 for (i = 0; i < NCH(n); i += 2)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2821 /* length of string plus one for the dot */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2822 len += strlen(STR(CHILD(n, i))) + 1;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2823 len--; /* the last name doesn't have a dot */
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
2824 str = PyBytes_FromStringAndSize(NULL, len);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2825 if (!str)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2826 return NULL;
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
2827 s = PyBytes_AS_STRING(str);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2828 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2829 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2830 for (i = 0; i < NCH(n); i += 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2831 char *sch = STR(CHILD(n, i));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2832 strcpy(s, STR(CHILD(n, i)));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2833 s += strlen(sch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2834 *s++ = '.';
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2835 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2836 --s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2837 *s = '\0';
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2838 uni = PyUnicode_DecodeUTF8(PyBytes_AS_STRING(str),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2839 PyBytes_GET_SIZE(str),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2840 NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2841 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2842 if (!uni)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2843 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2844 str = uni;
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41969
diff changeset
2845 PyUnicode_InternInPlace(&str);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2846 PyArena_AddPyObject(c->c_arena, str);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2847 return alias(str, NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2848 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2849 break;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2850 case STAR:
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41969
diff changeset
2851 str = PyUnicode_InternFromString("*");
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2852 PyArena_AddPyObject(c->c_arena, str);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2853 return alias(str, NULL, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2854 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2855 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2856 "unexpected import name: %d", TYPE(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2857 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2858 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2859
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2860 PyErr_SetString(PyExc_SystemError, "unhandled import name condition");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2861 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2862 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2863
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2864 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2865 ast_for_import_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2866 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2867 /*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2868 import_stmt: import_name | import_from
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2869 import_name: 'import' dotted_as_names
41235
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2870 import_from: 'from' (('.' | '...')* dotted_name | ('.' | '...')+)
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2871 'import' ('*' | '(' import_as_names ')' | import_as_names)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2872 */
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2873 int lineno;
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2874 int col_offset;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2875 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2876 asdl_seq *aliases;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2877
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2878 REQ(n, import_stmt);
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2879 lineno = LINENO(n);
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2880 col_offset = n->n_col_offset;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2881 n = CHILD(n, 0);
36682
52cbc447e1c9 And some more cleanup.
Thomas Wouters <thomas@python.org>
parents: 36681
diff changeset
2882 if (TYPE(n) == import_name) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2883 n = CHILD(n, 1);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2884 REQ(n, dotted_as_names);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2885 aliases = asdl_seq_new((NCH(n) + 1) / 2, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2886 if (!aliases)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2887 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2888 for (i = 0; i < NCH(n); i += 2) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2889 alias_ty import_alias = alias_for_import_name(c, CHILD(n, i), 1);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2890 if (!import_alias)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2891 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2892 asdl_seq_SET(aliases, i / 2, import_alias);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2893 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2894 return Import(aliases, lineno, col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2895 }
36682
52cbc447e1c9 And some more cleanup.
Thomas Wouters <thomas@python.org>
parents: 36681
diff changeset
2896 else if (TYPE(n) == import_from) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2897 int n_children;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2898 int idx, ndots = 0;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2899 alias_ty mod = NULL;
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2900 identifier modname = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2901
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2902 /* Count the number of dots (for relative imports) and check for the
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2903 optional module name */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2904 for (idx = 1; idx < NCH(n); idx++) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2905 if (TYPE(CHILD(n, idx)) == dotted_name) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2906 mod = alias_for_import_name(c, CHILD(n, idx), 0);
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2907 if (!mod)
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2908 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2909 idx++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2910 break;
41235
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2911 } else if (TYPE(CHILD(n, idx)) == ELLIPSIS) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
2912 /* three consecutive dots are tokenized as one ELLIPSIS */
41235
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2913 ndots += 3;
6c8c33a43a15 "from ... import x" should not be a syntax error... make
Georg Brandl <georg@python.org>
parents: 41230
diff changeset
2914 continue;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2915 } else if (TYPE(CHILD(n, idx)) != DOT) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2916 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2917 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2918 ndots++;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2919 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2920 idx++; /* skip over the 'import' keyword */
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2921 switch (TYPE(CHILD(n, idx))) {
36681
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2922 case STAR:
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2923 /* from ... import * */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2924 n = CHILD(n, idx);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2925 n_children = 1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2926 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2927 case LPAR:
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2928 /* from ... import (x, y, z) */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2929 n = CHILD(n, idx + 1);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2930 n_children = NCH(n);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2931 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2932 case import_as_names:
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2933 /* from ... import x, y, z */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2934 n = CHILD(n, idx);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2935 n_children = NCH(n);
36681
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2936 if (n_children % 2 == 0) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2937 ast_error(c, n, "trailing comma not allowed without"
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2938 " surrounding parentheses");
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2939 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2940 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2941 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2942 default:
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
2943 ast_error(c, n, "Unexpected node-type in from-import");
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2944 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2945 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2946
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2947 aliases = asdl_seq_new((n_children + 1) / 2, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2948 if (!aliases)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2949 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2950
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2951 /* handle "from ... import *" special b/c there's no children */
36681
e9f0db429f2b Clean up from-import handling.
Thomas Wouters <thomas@python.org>
parents: 36679
diff changeset
2952 if (TYPE(n) == STAR) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2953 alias_ty import_alias = alias_for_import_name(c, n, 1);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
2954 if (!import_alias)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2955 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2956 asdl_seq_SET(aliases, 0, import_alias);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2957 }
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2958 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2959 for (i = 0; i < NCH(n); i += 2) {
54918
0704f15b4682 Merged revisions 73376,73393,73398,73400,73404-73405,73409,73419-73421,73432,73457,73460,73485-73486,73488-73489,73501-73502,73513-73514 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54703
diff changeset
2960 alias_ty import_alias = alias_for_import_name(c, CHILD(n, i), 1);
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2961 if (!import_alias)
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2962 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2963 asdl_seq_SET(aliases, i / 2, import_alias);
36718
45e6f901902c Remove asdl_seq_APPEND() and simplify asdl seq implementation.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 36712
diff changeset
2964 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2965 }
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2966 if (mod != NULL)
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2967 modname = mod->name;
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2968 return ImportFrom(modname, aliases, ndots, lineno, col_offset,
36712
5c36c222e7ca SF patch #1438387, PEP 328: relative and absolute imports.
Thomas Wouters <thomas@python.org>
parents: 36695
diff changeset
2969 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2970 }
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
2971 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2972 "unknown import statement: starts with command '%s'",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2973 STR(CHILD(n, 0)));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2974 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2975 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2976
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2977 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2978 ast_for_global_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2979 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2980 /* global_stmt: 'global' NAME (',' NAME)* */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2981 identifier name;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2982 asdl_seq *s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2983 int i;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2984
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2985 REQ(n, global_stmt);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
2986 s = asdl_seq_new(NCH(n) / 2, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2987 if (!s)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2988 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2989 for (i = 1; i < NCH(n); i += 2) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2990 name = NEW_IDENTIFIER(CHILD(n, i));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2991 if (!name)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2992 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
2993 asdl_seq_SET(s, i / 2, name);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2994 }
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
2995 return Global(s, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2996 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2997
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
2998 static stmt_ty
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
2999 ast_for_nonlocal_stmt(struct compiling *c, const node *n)
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3000 {
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3001 /* nonlocal_stmt: 'nonlocal' NAME (',' NAME)* */
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3002 identifier name;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3003 asdl_seq *s;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3004 int i;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3005
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3006 REQ(n, nonlocal_stmt);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3007 s = asdl_seq_new(NCH(n) / 2, c->c_arena);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3008 if (!s)
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3009 return NULL;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3010 for (i = 1; i < NCH(n); i += 2) {
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3011 name = NEW_IDENTIFIER(CHILD(n, i));
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3012 if (!name)
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3013 return NULL;
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3014 asdl_seq_SET(s, i / 2, name);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3015 }
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3016 return Nonlocal(s, LINENO(n), n->n_col_offset, c->c_arena);
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3017 }
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3018
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3019 static stmt_ty
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3020 ast_for_assert_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3021 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3022 /* assert_stmt: 'assert' test [',' test] */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3023 REQ(n, assert_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3024 if (NCH(n) == 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3025 expr_ty expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3026 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3027 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3028 return Assert(expression, NULL, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3029 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3030 else if (NCH(n) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3031 expr_ty expr1, expr2;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3032
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3033 expr1 = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3034 if (!expr1)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3035 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3036 expr2 = ast_for_expr(c, CHILD(n, 3));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3037 if (!expr2)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3038 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3039
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3040 return Assert(expr1, expr2, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3041 }
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
3042 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3043 "improper number of parts to 'assert' statement: %d",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3044 NCH(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3045 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3046 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3047
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3048 static asdl_seq *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3049 ast_for_suite(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3050 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3051 /* suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT */
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3052 asdl_seq *seq;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3053 stmt_ty s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3054 int i, total, num, end, pos = 0;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3055 node *ch;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3056
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3057 REQ(n, suite);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3058
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3059 total = num_stmts(n);
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 36001
diff changeset
3060 seq = asdl_seq_new(total, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3061 if (!seq)
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3062 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3063 if (TYPE(CHILD(n, 0)) == simple_stmt) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3064 n = CHILD(n, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3065 /* simple_stmt always ends with a NEWLINE,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3066 and may have a trailing SEMI
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3067 */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3068 end = NCH(n) - 1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3069 if (TYPE(CHILD(n, end - 1)) == SEMI)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3070 end--;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3071 /* loop by 2 to skip semi-colons */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3072 for (i = 0; i < end; i += 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3073 ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3074 s = ast_for_stmt(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3075 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3076 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3077 asdl_seq_SET(seq, pos++, s);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3078 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3079 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3080 else {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3081 for (i = 2; i < (NCH(n) - 1); i++) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3082 ch = CHILD(n, i);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3083 REQ(ch, stmt);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3084 num = num_stmts(ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3085 if (num == 1) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3086 /* small_stmt or compound_stmt with only one child */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3087 s = ast_for_stmt(c, ch);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3088 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3089 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3090 asdl_seq_SET(seq, pos++, s);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3091 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3092 else {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3093 int j;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3094 ch = CHILD(ch, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3095 REQ(ch, simple_stmt);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3096 for (j = 0; j < NCH(ch); j += 2) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3097 /* statement terminates with a semi-colon ';' */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3098 if (NCH(CHILD(ch, j)) == 0) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3099 assert((j + 1) == NCH(ch));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3100 break;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3101 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3102 s = ast_for_stmt(c, CHILD(ch, j));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3103 if (!s)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3104 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3105 asdl_seq_SET(seq, pos++, s);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3106 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3107 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3108 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3109 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3110 assert(pos == seq->size);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3111 return seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3112 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3113
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3114 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3115 ast_for_if_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3116 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3117 /* if_stmt: 'if' test ':' suite ('elif' test ':' suite)*
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3118 ['else' ':' suite]
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3119 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3120 char *s;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3121
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3122 REQ(n, if_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3123
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3124 if (NCH(n) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3125 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3126 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3127
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3128 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3129 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3130 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3131 suite_seq = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3132 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3133 return NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3134
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3135 return If(expression, suite_seq, NULL, LINENO(n), n->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3136 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3137 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3138
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3139 s = STR(CHILD(n, 4));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3140 /* s[2], the third character in the string, will be
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3141 's' for el_s_e, or
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3142 'i' for el_i_f
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3143 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3144 if (s[2] == 's') {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3145 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3146 asdl_seq *seq1, *seq2;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3147
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3148 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3149 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3150 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3151 seq1 = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3152 if (!seq1)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3153 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3154 seq2 = ast_for_suite(c, CHILD(n, 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3155 if (!seq2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3156 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3157
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3158 return If(expression, seq1, seq2, LINENO(n), n->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3159 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3160 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3161 else if (s[2] == 'i') {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3162 int i, n_elif, has_else = 0;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3163 expr_ty expression;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3164 asdl_seq *suite_seq;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3165 asdl_seq *orelse = NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3166 n_elif = NCH(n) - 4;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3167 /* must reference the child n_elif+1 since 'else' token is third,
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3168 not fourth, child from the end. */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3169 if (TYPE(CHILD(n, (n_elif + 1))) == NAME
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3170 && STR(CHILD(n, (n_elif + 1)))[2] == 's') {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3171 has_else = 1;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3172 n_elif -= 3;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3173 }
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3174 n_elif /= 4;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3175
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3176 if (has_else) {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3177 asdl_seq *suite_seq2;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3178
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3179 orelse = asdl_seq_new(1, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3180 if (!orelse)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3181 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3182 expression = ast_for_expr(c, CHILD(n, NCH(n) - 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3183 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3184 return NULL;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3185 suite_seq = ast_for_suite(c, CHILD(n, NCH(n) - 4));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3186 if (!suite_seq)
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3187 return NULL;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3188 suite_seq2 = ast_for_suite(c, CHILD(n, NCH(n) - 1));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3189 if (!suite_seq2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3190 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3191
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3192 asdl_seq_SET(orelse, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3193 If(expression, suite_seq, suite_seq2,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3194 LINENO(CHILD(n, NCH(n) - 6)),
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3195 CHILD(n, NCH(n) - 6)->n_col_offset,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3196 c->c_arena));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3197 /* the just-created orelse handled the last elif */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3198 n_elif--;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3199 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3200
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3201 for (i = 0; i < n_elif; i++) {
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3202 int off = 5 + (n_elif - i - 1) * 4;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3203 asdl_seq *newobj = asdl_seq_new(1, c->c_arena);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3204 if (!newobj)
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3205 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3206 expression = ast_for_expr(c, CHILD(n, off));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3207 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3208 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3209 suite_seq = ast_for_suite(c, CHILD(n, off + 2));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3210 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3211 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3212
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3213 asdl_seq_SET(newobj, 0,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3214 If(expression, suite_seq, orelse,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3215 LINENO(CHILD(n, off)),
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3216 CHILD(n, off)->n_col_offset, c->c_arena));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3217 orelse = newobj;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3218 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3219 expression = ast_for_expr(c, CHILD(n, 1));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3220 if (!expression)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3221 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3222 suite_seq = ast_for_suite(c, CHILD(n, 3));
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3223 if (!suite_seq)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3224 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3225 return If(expression, suite_seq, orelse,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3226 LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3227 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3228
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3229 PyErr_Format(PyExc_SystemError,
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3230 "unexpected token in 'if' statement: %s", s);
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3231 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3232 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3233
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3234 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3235 ast_for_while_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3236 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3237 /* while_stmt: 'while' test ':' suite ['else' ':' suite] */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3238 REQ(n, while_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3239
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3240 if (NCH(n) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3241 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3242 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3243
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3244 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3245 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3246 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3247 suite_seq = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3248 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3249 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3250 return While(expression, suite_seq, NULL, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3251 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3252 else if (NCH(n) == 7) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3253 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3254 asdl_seq *seq1, *seq2;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3255
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3256 expression = ast_for_expr(c, CHILD(n, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3257 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3258 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3259 seq1 = ast_for_suite(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3260 if (!seq1)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3261 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3262 seq2 = ast_for_suite(c, CHILD(n, 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3263 if (!seq2)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3264 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3265
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3266 return While(expression, seq1, seq2, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3267 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3268
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3269 PyErr_Format(PyExc_SystemError,
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3270 "wrong number of tokens for 'while' statement: %d",
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3271 NCH(n));
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3272 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3273 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3274
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3275 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3276 ast_for_for_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3277 {
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3278 asdl_seq *_target, *seq = NULL, *suite_seq;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3279 expr_ty expression;
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
3280 expr_ty target, first;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
3281 const node *node_target;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3282 /* for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite] */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3283 REQ(n, for_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3284
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3285 if (NCH(n) == 9) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3286 seq = ast_for_suite(c, CHILD(n, 8));
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3287 if (!seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3288 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3289 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3290
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
3291 node_target = CHILD(n, 1);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
3292 _target = ast_for_exprlist(c, node_target, Store);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3293 if (!_target)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3294 return NULL;
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
3295 /* Check the # of children rather than the length of _target, since
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
3296 for x, in ... has 1 element in _target, but still requires a Tuple. */
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
3297 first = (expr_ty)asdl_seq_GET(_target, 0);
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
3298 if (NCH(node_target) == 1)
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
3299 target = first;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3300 else
55912
d4e3af343e32 Merged revisions 74464 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 54954
diff changeset
3301 target = Tuple(_target, Store, first->lineno, first->col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3302
35798
857f68fba275 Write a separate ast_for_testlist_gexp() function instead of overloading
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35771
diff changeset
3303 expression = ast_for_testlist(c, CHILD(n, 3));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3304 if (!expression)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3305 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3306 suite_seq = ast_for_suite(c, CHILD(n, 5));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3307 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3308 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3309
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
3310 return For(target, expression, suite_seq, seq, LINENO(n), n->n_col_offset,
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
3311 c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3312 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3313
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3314 static excepthandler_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3315 ast_for_except_clause(struct compiling *c, const node *exc, node *body)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3316 {
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3317 /* except_clause: 'except' [test ['as' test]] */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3318 REQ(exc, except_clause);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3319 REQ(body, suite);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3320
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3321 if (NCH(exc) == 1) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3322 asdl_seq *suite_seq = ast_for_suite(c, body);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3323 if (!suite_seq)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3324 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3325
46231
81ee270a6eb5 Merged revisions 62047 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 46120
diff changeset
3326 return ExceptHandler(NULL, NULL, suite_seq, LINENO(exc),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
3327 exc->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3328 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3329 else if (NCH(exc) == 2) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3330 expr_ty expression;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3331 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3332
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3333 expression = ast_for_expr(c, CHILD(exc, 1));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3334 if (!expression)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3335 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3336 suite_seq = ast_for_suite(c, body);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3337 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3338 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3339
46231
81ee270a6eb5 Merged revisions 62047 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 46120
diff changeset
3340 return ExceptHandler(expression, NULL, suite_seq, LINENO(exc),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
3341 exc->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3342 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3343 else if (NCH(exc) == 4) {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3344 asdl_seq *suite_seq;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3345 expr_ty expression;
40588
4bab65fcca8e Some more changes related to the new except syntax and semantics,
Guido van Rossum <guido@python.org>
parents: 40529
diff changeset
3346 identifier e = NEW_IDENTIFIER(CHILD(exc, 3));
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3347 if (!e)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3348 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3349 if (forbidden_name(c, e, CHILD(exc, 3), 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3350 return NULL;
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3351 expression = ast_for_expr(c, CHILD(exc, 1));
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3352 if (!expression)
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3353 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3354 suite_seq = ast_for_suite(c, body);
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3355 if (!suite_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3356 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3357
46231
81ee270a6eb5 Merged revisions 62047 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 46120
diff changeset
3358 return ExceptHandler(expression, e, suite_seq, LINENO(exc),
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36877
diff changeset
3359 exc->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3360 }
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3361
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3362 PyErr_Format(PyExc_SystemError,
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3363 "wrong number of children for 'except' clause: %d",
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3364 NCH(exc));
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3365 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3366 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3367
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3368 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3369 ast_for_try_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3370 {
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3371 const int nch = NCH(n);
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3372 int n_except = (nch - 3)/3;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
3373 asdl_seq *body, *handlers = NULL, *orelse = NULL, *finally = NULL;
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3374
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3375 REQ(n, try_stmt);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3376
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3377 body = ast_for_suite(c, CHILD(n, 2));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3378 if (body == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3379 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3380
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3381 if (TYPE(CHILD(n, nch - 3)) == NAME) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3382 if (strcmp(STR(CHILD(n, nch - 3)), "finally") == 0) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3383 if (nch >= 9 && TYPE(CHILD(n, nch - 6)) == NAME) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3384 /* we can assume it's an "else",
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3385 because nch >= 9 for try-else-finally and
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3386 it would otherwise have a type of except_clause */
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3387 orelse = ast_for_suite(c, CHILD(n, nch - 4));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3388 if (orelse == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3389 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3390 n_except--;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3391 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3392
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3393 finally = ast_for_suite(c, CHILD(n, nch - 1));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3394 if (finally == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3395 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3396 n_except--;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3397 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3398 else {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3399 /* we can assume it's an "else",
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3400 otherwise it would have a type of except_clause */
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3401 orelse = ast_for_suite(c, CHILD(n, nch - 1));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3402 if (orelse == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3403 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3404 n_except--;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3405 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3406 }
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3407 else if (TYPE(CHILD(n, nch - 3)) != except_clause) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3408 ast_error(c, n, "malformed 'try' statement");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3409 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3410 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3411
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3412 if (n_except > 0) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3413 int i;
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3414 /* process except statements to create a try ... except */
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
3415 handlers = asdl_seq_new(n_except, c->c_arena);
36066
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3416 if (handlers == NULL)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3417 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3418
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3419 for (i = 0; i < n_except; i++) {
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3420 excepthandler_ty e = ast_for_except_clause(c, CHILD(n, 3 + i * 3),
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3421 CHILD(n, 5 + i * 3));
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3422 if (!e)
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3423 return NULL;
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3424 asdl_seq_SET(handlers, i, e);
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3425 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3426 }
719ba02d2e2c SF patch #1355913, PEP 341 - Unification of try/except and try/finally
Neal Norwitz <nnorwitz@gmail.com>
parents: 36065
diff changeset
3427
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
3428 assert(finally != NULL || asdl_seq_LEN(handlers));
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
3429 return Try(body, handlers, orelse, finally, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3430 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3431
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3432 /* with_item: test ['as' expr] */
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3433 static withitem_ty
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3434 ast_for_with_item(struct compiling *c, const node *n)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3435 {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3436 expr_ty context_expr, optional_vars = NULL;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3437
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3438 REQ(n, with_item);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3439 context_expr = ast_for_expr(c, CHILD(n, 0));
64183
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
3440 if (!context_expr)
54c9c86ad104 Merged revisions 84209 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 62647
diff changeset
3441 return NULL;
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3442 if (NCH(n) == 3) {
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3443 optional_vars = ast_for_expr(c, CHILD(n, 2));
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3444
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3445 if (!optional_vars) {
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3446 return NULL;
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3447 }
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3448 if (!set_context(c, optional_vars, Store, n)) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3449 return NULL;
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3450 }
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3451 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3452
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3453 return withitem(context_expr, optional_vars, c->c_arena);
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3454 }
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3455
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3456 /* with_stmt: 'with' with_item (',' with_item)* ':' suite */
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3457 static stmt_ty
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3458 ast_for_with_stmt(struct compiling *c, const node *n)
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3459 {
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3460 int i, n_items;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3461 asdl_seq *items, *body;
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3462
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3463 REQ(n, with_stmt);
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3464
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3465 n_items = (NCH(n) - 2) / 2;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3466 items = asdl_seq_new(n_items, c->c_arena);
78673
663de4dbb88a Check return value of asdl_seq_new(). Found by Coverity.
Stefan Krah <skrah@bytereef.org>
parents: 75546
diff changeset
3467 if (!items)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3468 return NULL;
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3469 for (i = 1; i < NCH(n) - 2; i += 2) {
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3470 withitem_ty item = ast_for_with_item(c, CHILD(n, i));
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3471 if (!item)
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3472 return NULL;
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3473 asdl_seq_SET(items, (i - 1) / 2, item);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3474 }
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3475
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3476 body = ast_for_suite(c, CHILD(n, NCH(n) - 1));
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3477 if (!body)
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3478 return NULL;
54338
287ce30d08b5 Merged revisions 72924 via svnmerge from
Georg Brandl <georg@python.org>
parents: 53707
diff changeset
3479
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69291
diff changeset
3480 return With(items, body, LINENO(n), n->n_col_offset, c->c_arena);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3481 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3482
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3483 static stmt_ty
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3484 ast_for_classdef(struct compiling *c, const node *n, asdl_seq *decorator_seq)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3485 {
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3486 /* classdef: 'class' NAME ['(' arglist ')'] ':' suite */
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3487 PyObject *classname;
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3488 asdl_seq *s;
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3489 expr_ty call;
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3490
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3491 REQ(n, classdef);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3492
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3493 if (NCH(n) == 4) { /* class NAME ':' suite */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3494 s = ast_for_suite(c, CHILD(n, 3));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3495 if (!s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3496 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3497 classname = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3498 if (!classname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3499 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3500 if (forbidden_name(c, classname, CHILD(n, 3), 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3501 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3502 return ClassDef(classname, NULL, NULL, NULL, NULL, s, decorator_seq,
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3503 LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3504 }
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3505
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3506 if (TYPE(CHILD(n, 3)) == RPAR) { /* class NAME '(' ')' ':' suite */
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3507 s = ast_for_suite(c, CHILD(n,5));
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3508 if (!s)
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3509 return NULL;
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3510 classname = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3511 if (!classname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3512 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3513 if (forbidden_name(c, classname, CHILD(n, 3), 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3514 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3515 return ClassDef(classname, NULL, NULL, NULL, NULL, s, decorator_seq,
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3516 LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3517 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3518
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3519 /* class NAME '(' arglist ')' ':' suite */
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3520 /* build up a fake Call node so we can extract its pieces */
49852
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3521 {
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3522 PyObject *dummy_name;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3523 expr_ty dummy;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3524 dummy_name = NEW_IDENTIFIER(CHILD(n, 1));
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3525 if (!dummy_name)
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3526 return NULL;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3527 dummy = Name(dummy_name, Load, LINENO(n), n->n_col_offset, c->c_arena);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3528 call = ast_for_call(c, CHILD(n, 3), dummy);
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3529 if (!call)
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3530 return NULL;
30d01a5f517e check the return value of NEW_IDENTIFIER in some more places
Benjamin Peterson <benjamin@python.org>
parents: 49847
diff changeset
3531 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3532 s = ast_for_suite(c, CHILD(n, 6));
36072
de16a85c3b4c Cleanup a bit and make things more consistent.
Neal Norwitz <nnorwitz@gmail.com>
parents: 36066
diff changeset
3533 if (!s)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3534 return NULL;
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3535 classname = NEW_IDENTIFIER(CHILD(n, 1));
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3536 if (!classname)
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3537 return NULL;
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3538 if (forbidden_name(c, classname, CHILD(n, 1), 0))
54954
c45e331238ae In most cases, the parser will protect True, False, and None from being assign to.
Benjamin Peterson <benjamin@python.org>
parents: 54918
diff changeset
3539 return NULL;
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3540
49844
40b7277e665f Merged revisions 67373 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 49797
diff changeset
3541 return ClassDef(classname, call->v.Call.args, call->v.Call.keywords,
41226
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics.
Guido van Rossum <guido@python.org>
parents: 40965
diff changeset
3542 call->v.Call.starargs, call->v.Call.kwargs, s,
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3543 decorator_seq, LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3544 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3545
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3546 static stmt_ty
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3547 ast_for_stmt(struct compiling *c, const node *n)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3548 {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3549 if (TYPE(n) == stmt) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3550 assert(NCH(n) == 1);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3551 n = CHILD(n, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3552 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3553 if (TYPE(n) == simple_stmt) {
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3554 assert(num_stmts(n) == 1);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3555 n = CHILD(n, 0);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3556 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3557 if (TYPE(n) == small_stmt) {
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40450
diff changeset
3558 n = CHILD(n, 0);
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3559 /* small_stmt: expr_stmt | del_stmt | pass_stmt | flow_stmt
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3560 | import_stmt | global_stmt | nonlocal_stmt | assert_stmt
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3561 */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3562 switch (TYPE(n)) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3563 case expr_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3564 return ast_for_expr_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3565 case del_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3566 return ast_for_del_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3567 case pass_stmt:
36786
57322cb2ca11 Patch #1440601: Add col_offset attribute to AST nodes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36780
diff changeset
3568 return Pass(LINENO(n), n->n_col_offset, c->c_arena);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3569 case flow_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3570 return ast_for_flow_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3571 case import_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3572 return ast_for_import_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3573 case global_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3574 return ast_for_global_stmt(c, n);
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3575 case nonlocal_stmt:
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40941
diff changeset
3576 return ast_for_nonlocal_stmt(c, n);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3577 case assert_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3578 return ast_for_assert_stmt(c, n);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3579 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
3580 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3581 "unhandled small_stmt: TYPE=%d NCH=%d\n",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3582 TYPE(n), NCH(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3583 return NULL;
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3584 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3585 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3586 else {
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3587 /* compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3588 | funcdef | classdef | decorated
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3589 */
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3590 node *ch = CHILD(n, 0);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3591 REQ(n, compound_stmt);
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3592 switch (TYPE(ch)) {
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3593 case if_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3594 return ast_for_if_stmt(c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3595 case while_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3596 return ast_for_while_stmt(c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3597 case for_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3598 return ast_for_for_stmt(c, ch);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3599 case try_stmt:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3600 return ast_for_try_stmt(c, ch);
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3601 case with_stmt:
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36686
diff changeset
3602 return ast_for_with_stmt(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3603 case funcdef:
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3604 return ast_for_funcdef(c, ch, NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3605 case classdef:
41824
24b60622b944 Merged revisions 55407-55513 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41717
diff changeset
3606 return ast_for_classdef(c, ch, NULL);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3607 case decorated:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3608 return ast_for_decorated(c, ch);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3609 default:
35870
f531c05cd240 Convert all internal errors from Exception to SystemError
Neal Norwitz <nnorwitz@gmail.com>
parents: 35868
diff changeset
3610 PyErr_Format(PyExc_SystemError,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3611 "unhandled small_stmt: TYPE=%d NCH=%d\n",
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3612 TYPE(n), NCH(n));
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3613 return NULL;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3614 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3615 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3616 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3617
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3618 static PyObject *
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3619 parsenumber(struct compiling *c, const char *s)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3620 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3621 const char *end;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3622 long x;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3623 double dx;
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3624 Py_complex compl;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3625 int imflag;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3626
50035
4c9844cf2a3f Merged revisions 67595 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 49852
diff changeset
3627 assert(s != NULL);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3628 errno = 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3629 end = s + strlen(s) - 1;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3630 imflag = *end == 'j' || *end == 'J';
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3631 if (s[0] == '0') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3632 x = (long) PyOS_strtoul((char *)s, (char **)&end, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3633 if (x < 0 && errno == 0) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3634 return PyLong_FromString((char *)s,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3635 (char **)0,
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3636 0);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3637 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3638 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3639 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3640 x = PyOS_strtol((char *)s, (char **)&end, 0);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3641 if (*end == '\0') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3642 if (errno != 0)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3643 return PyLong_FromString((char *)s, (char **)0, 0);
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 44025
diff changeset
3644 return PyLong_FromLong(x);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3645 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3646 /* XXX Huge floats may silently fail */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3647 if (imflag) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3648 compl.real = 0.;
53707
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3649 compl.imag = PyOS_string_to_double(s, (char **)&end, NULL);
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3650 if (compl.imag == -1.0 && PyErr_Occurred())
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3651 return NULL;
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3652 return PyComplex_FromCComplex(compl);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3653 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3654 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3655 {
53707
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3656 dx = PyOS_string_to_double(s, NULL, NULL);
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3657 if (dx == -1.0 && PyErr_Occurred())
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3658 return NULL;
13a82a710f19 Issue #5914: Add new C-API function PyOS_string_to_double, to complement
Mark Dickinson <dickinsm@gmail.com>
parents: 50886
diff changeset
3659 return PyFloat_FromDouble(dx);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3660 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3661 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3662
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3663 static PyObject *
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3664 decode_utf8(struct compiling *c, const char **sPtr, const char *end)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3665 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3666 char *s, *t;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3667 t = s = (char *)*sPtr;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3668 /* while (s < end && *s != '\\') s++; */ /* inefficient for u".." */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3669 while (s < end && (*s & 0x80)) s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3670 *sPtr = s;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3671 return PyUnicode_DecodeUTF8(t, s - t, NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3672 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3673
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3674 static PyObject *
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3675 decode_unicode(struct compiling *c, const char *s, size_t len, int rawmode, const char *encoding)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3676 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3677 PyObject *v, *u;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3678 char *buf;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3679 char *p;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3680 const char *end;
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3681
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3682 if (encoding == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3683 u = NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3684 } else {
48330
ac854cde3135 Merged revisions 64114 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47301
diff changeset
3685 /* check for integer overflow */
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3686 if (len > PY_SIZE_MAX / 6)
48330
ac854cde3135 Merged revisions 64114 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47301
diff changeset
3687 return NULL;
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3688 /* "ä" (2 bytes) may become "\U000000E4" (10 bytes), or 1:5
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3689 "\ä" (3 bytes) may become "\u005c\U000000E4" (16 bytes), or ~1:6 */
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3690 u = PyBytes_FromStringAndSize((char *)NULL, len * 6);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3691 if (u == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3692 return NULL;
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3693 p = buf = PyBytes_AsString(u);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3694 end = s + len;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3695 while (s < end) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3696 if (*s == '\\') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3697 *p++ = *s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3698 if (*s & 0x80) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3699 strcpy(p, "u005c");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3700 p += 5;
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3701 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3702 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3703 if (*s & 0x80) { /* XXX inefficient */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3704 PyObject *w;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3705 int kind;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3706 void *data;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3707 Py_ssize_t len, i;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3708 w = decode_utf8(c, &s, end);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3709 if (w == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3710 Py_DECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3711 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3712 }
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3713 kind = PyUnicode_KIND(w);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3714 data = PyUnicode_DATA(w);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3715 len = PyUnicode_GET_LENGTH(w);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3716 for (i = 0; i < len; i++) {
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3717 Py_UCS4 chr = PyUnicode_READ(kind, data, i);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71795
diff changeset
3718 sprintf(p, "\\U%08x", chr);
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3719 p += 10;
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3720 }
56955
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3721 /* Should be impossible to overflow */
f32dc84a876c Merged revisions 75928 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 56363
diff changeset
3722 assert(p - buf <= Py_SIZE(u));
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3723 Py_DECREF(w);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3724 } else {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3725 *p++ = *s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3726 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3727 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3728 len = p - buf;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3729 s = buf;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3730 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3731 if (rawmode)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3732 v = PyUnicode_DecodeRawUnicodeEscape(s, len, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3733 else
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3734 v = PyUnicode_DecodeUnicodeEscape(s, len, NULL);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3735 Py_XDECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3736 return v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3737 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3738
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3739 /* s is a Python string literal, including the bracketing quote characters,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
3740 * and r &/or b prefixes (if any), and embedded escape sequences (if any).
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3741 * parsestr parses it, and returns the decoded Python string object.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3742 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3743 static PyObject *
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3744 parsestr(struct compiling *c, const node *n, int *bytesmode)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3745 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3746 size_t len;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3747 const char *s = STR(n);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3748 int quote = Py_CHARMASK(*s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3749 int rawmode = 0;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3750 int need_encoding;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43734
diff changeset
3751 if (isalpha(quote)) {
74354
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3752 while (!*bytesmode || !rawmode) {
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3753 if (quote == 'b' || quote == 'B') {
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3754 quote = *++s;
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3755 *bytesmode = 1;
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3756 }
75381
ed9497d6a216 Basic support for PEP 414 without docs or tests.
Armin Ronacher <armin.ronacher@active-4.com>
parents: 74462
diff changeset
3757 else if (quote == 'u' || quote == 'U') {
ed9497d6a216 Basic support for PEP 414 without docs or tests.
Armin Ronacher <armin.ronacher@active-4.com>
parents: 74462
diff changeset
3758 quote = *++s;
ed9497d6a216 Basic support for PEP 414 without docs or tests.
Armin Ronacher <armin.ronacher@active-4.com>
parents: 74462
diff changeset
3759 }
74354
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3760 else if (quote == 'r' || quote == 'R') {
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3761 quote = *++s;
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3762 rawmode = 1;
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3763 }
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3764 else {
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3765 break;
bbed36370b08 Issue #13748: Raw bytes literals can now be written with the `rb` prefix as well as `br`.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72925
diff changeset
3766 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3767 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3768 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3769 if (quote != '\'' && quote != '\"') {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3770 PyErr_BadInternalCall();
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3771 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3772 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3773 s++;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3774 len = strlen(s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3775 if (len > INT_MAX) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3776 PyErr_SetString(PyExc_OverflowError,
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3777 "string to parse is too long");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3778 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3779 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3780 if (s[--len] != quote) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3781 PyErr_BadInternalCall();
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3782 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3783 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3784 if (len >= 4 && s[0] == quote && s[1] == quote) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3785 s += 2;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3786 len -= 2;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3787 if (s[--len] != quote || s[--len] != quote) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3788 PyErr_BadInternalCall();
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3789 return NULL;
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
3790 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3791 }
46306
b10292eafb07 Reverted r62128 on Guido's orders
Benjamin Peterson <benjamin@python.org>
parents: 46272
diff changeset
3792 if (!*bytesmode && !rawmode) {
46664
031dfe455585 Merged revisions 62425-62429,62434-62436,62441,62444,62446-62448,62450-62455,62463,62465-62466,62469,62474,62476-62478,62480,62485,62492,62497-62498,62500,62507,62513-62514,62516,62521,62531,62535,62545-62546,62548-62551,62553-62559,62569,62574,62577,62593,62595,62604-62606,62608,62616,62626-62627,62636,62638,62644-62645,62647-62648,62651-62653,62656,62661,62663,62680,62686-62687,62696,62699-62703,62711 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 46306
diff changeset
3793 return decode_unicode(c, s, len, rawmode, c->c_encoding);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3794 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3795 if (*bytesmode) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3796 /* Disallow non-ascii characters (but not escapes) */
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3797 const char *ch;
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3798 for (ch = s; *ch; ch++) {
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3799 if (Py_CHARMASK(*ch) >= 0x80) {
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3800 ast_error(c, n, "bytes can only contain ASCII "
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3801 "literal characters.");
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3802 return NULL;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3803 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3804 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3805 }
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3806 need_encoding = (!*bytesmode && c->c_encoding != NULL &&
49539
481ad3d9ffd1 Latin-1 source code was not being properly decoded when passed through
Brett Cannon <bcannon@gmail.com>
parents: 48777
diff changeset
3807 strcmp(c->c_encoding, "utf-8") != 0);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3808 if (rawmode || strchr(s, '\\') == NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3809 if (need_encoding) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3810 PyObject *v, *u = PyUnicode_DecodeUTF8(s, len, NULL);
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3811 if (u == NULL || !*bytesmode)
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3812 return u;
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3813 v = PyUnicode_AsEncodedString(u, c->c_encoding, NULL);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3814 Py_DECREF(u);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3815 return v;
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3816 } else if (*bytesmode) {
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3817 return PyBytes_FromStringAndSize(s, len);
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3818 } else if (strcmp(c->c_encoding, "utf-8") == 0) {
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3819 return PyUnicode_FromStringAndSize(s, len);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56955
diff changeset
3820 } else {
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3821 return PyUnicode_DecodeLatin1(s, len, NULL);
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3822 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3823 }
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3824 return PyBytes_DecodeEscape(s, len, NULL, 1,
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3825 need_encoding ? c->c_encoding : NULL);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3826 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3827
43819
068655054b0d Minimal change that disables (AFAICT) the interpolation of \u and \U inside
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3828 /* Build a Python string object out of a STRING+ atom. This takes care of
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3829 * compile-time literal catenation, calling parsestr() on each piece, and
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3830 * pasting the intermediate results together.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3831 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3832 static PyObject *
40894
0ea24f4f2467 Bytes literal.
Thomas Wouters <thomas@python.org>
parents: 40774
diff changeset
3833 parsestrplus(struct compiling *c, const node *n, int *bytesmode)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3834 {
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3835 PyObject *v;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3836 int i;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3837 REQ(CHILD(n, 0), STRING);
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3838 v = parsestr(c, CHILD(n, 0), bytesmode);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3839 if (v != NULL) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3840 /* String literal concatenation */
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3841 for (i = 1; i < NCH(n); i++) {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3842 PyObject *s;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3843 int subbm = 0;
46120
78504d604b44 Merged revisions 61952-61953 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45931
diff changeset
3844 s = parsestr(c, CHILD(n, i), &subbm);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3845 if (s == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3846 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3847 if (*bytesmode != subbm) {
78840
58de275e9224 get rid of ast_error_finish by passing the compiling struct to ast_error
Benjamin Peterson <benjamin@python.org>
parents: 78839
diff changeset
3848 ast_error(c, n, "cannot mix bytes and nonbytes literals");
78962
4a343636c8ca Fixed memory leak in error branch of parsestrplus. CID 715374 Variable s going out of scope leaks the storage it points to.
Christian Heimes <christian@cheimes.de>
parents: 78841
diff changeset
3849 Py_DECREF(s);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3850 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3851 }
47301
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3852 if (PyBytes_Check(v) && PyBytes_Check(s)) {
23ab586c427a Renamed PyString to PyBytes
Christian Heimes <christian@cheimes.de>
parents: 46664
diff changeset
3853 PyBytes_ConcatAndDel(&v, s);
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3854 if (v == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3855 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3856 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3857 else {
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3858 PyObject *temp = PyUnicode_Concat(v, s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3859 Py_DECREF(s);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3860 Py_DECREF(v);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3861 v = temp;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3862 if (v == NULL)
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3863 goto onError;
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3864 }
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
parents: 40215
diff changeset
3865 }
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3866 }
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3867 return v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3868
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3869 onError:
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3870 Py_XDECREF(v);
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41509
diff changeset
3871 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3872 }