annotate Lib/compiler/pycodegen.py @ 57303:4aa4c19dfaed legacy-trunk

#1757126: fix typo with the cyrillic_asian alias
author Philip Jenvey <pjenvey@underboss.org>
date Tue, 17 Nov 2009 02:42:26 +0000
parents ef8fe9088696
children 442e170b56c3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import imp
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2 import os
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3 import marshal
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4 import struct
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5 import sys
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6 from cStringIO import StringIO
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7
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8 from compiler import ast, parse, walk, syntax
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9 from compiler import pyassem, misc, future, symbols
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10 from compiler.consts import SC_LOCAL, SC_GLOBAL_IMPLICIT, SC_GLOBAL_EXPLICT, \
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11 SC_FREE, SC_CELL
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12 from compiler.consts import (CO_VARARGS, CO_VARKEYWORDS, CO_NEWLOCALS,
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13 CO_NESTED, CO_GENERATOR, CO_FUTURE_DIVISION,
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14 CO_FUTURE_ABSIMPORT, CO_FUTURE_WITH_STATEMENT, CO_FUTURE_PRINT_FUNCTION)
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15 from compiler.pyassem import TupleArg
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16
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17 # XXX The version-specific code can go, since this code only works with 2.x.
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18 # Do we have Python 1.x or Python 2.x?
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19 try:
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20 VERSION = sys.version_info[0]
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21 except AttributeError:
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22 VERSION = 1
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23
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24 callfunc_opcode_info = {
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25 # (Have *args, Have **args) : opcode
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26 (0,0) : "CALL_FUNCTION",
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27 (1,0) : "CALL_FUNCTION_VAR",
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28 (0,1) : "CALL_FUNCTION_KW",
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29 (1,1) : "CALL_FUNCTION_VAR_KW",
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30 }
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31
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32 LOOP = 1
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33 EXCEPT = 2
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34 TRY_FINALLY = 3
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35 END_FINALLY = 4
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36
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37 def compileFile(filename, display=0):
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38 f = open(filename, 'U')
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39 buf = f.read()
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40 f.close()
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41 mod = Module(buf, filename)
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42 try:
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43 mod.compile(display)
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44 except SyntaxError:
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45 raise
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46 else:
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47 f = open(filename + "c", "wb")
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48 mod.dump(f)
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49 f.close()
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50
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51 def compile(source, filename, mode, flags=None, dont_inherit=None):
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52 """Replacement for builtin compile() function"""
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53 if flags is not None or dont_inherit is not None:
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54 raise RuntimeError, "not implemented yet"
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55
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56 if mode == "single":
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57 gen = Interactive(source, filename)
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58 elif mode == "exec":
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59 gen = Module(source, filename)
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60 elif mode == "eval":
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61 gen = Expression(source, filename)
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62 else:
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63 raise ValueError("compile() 3rd arg must be 'exec' or "
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64 "'eval' or 'single'")
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65 gen.compile()
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66 return gen.code
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67
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68 class AbstractCompileMode:
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69
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70 mode = None # defined by subclass
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71
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72 def __init__(self, source, filename):
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73 self.source = source
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74 self.filename = filename
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75 self.code = None
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76
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77 def _get_tree(self):
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78 tree = parse(self.source, self.mode)
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79 misc.set_filename(self.filename, tree)
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80 syntax.check(tree)
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81 return tree
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82
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83 def compile(self):
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84 pass # implemented by subclass
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85
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86 def getCode(self):
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87 return self.code
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88
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89 class Expression(AbstractCompileMode):
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90
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91 mode = "eval"
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92
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93 def compile(self):
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94 tree = self._get_tree()
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95 gen = ExpressionCodeGenerator(tree)
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96 self.code = gen.getCode()
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97
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98 class Interactive(AbstractCompileMode):
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99
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100 mode = "single"
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101
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102 def compile(self):
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103 tree = self._get_tree()
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104 gen = InteractiveCodeGenerator(tree)
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105 self.code = gen.getCode()
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106
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107 class Module(AbstractCompileMode):
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108
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109 mode = "exec"
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110
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111 def compile(self, display=0):
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112 tree = self._get_tree()
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113 gen = ModuleCodeGenerator(tree)
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114 if display:
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115 import pprint
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116 print pprint.pprint(tree)
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117 self.code = gen.getCode()
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118
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119 def dump(self, f):
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120 f.write(self.getPycHeader())
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121 marshal.dump(self.code, f)
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122
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123 MAGIC = imp.get_magic()
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124
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125 def getPycHeader(self):
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126 # compile.c uses marshal to write a long directly, with
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127 # calling the interface that would also generate a 1-byte code
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128 # to indicate the type of the value. simplest way to get the
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129 # same effect is to call marshal and then skip the code.
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130 mtime = os.path.getmtime(self.filename)
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131 mtime = struct.pack('<i', mtime)
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132 return self.MAGIC + mtime
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133
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134 class LocalNameFinder:
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135 """Find local names in scope"""
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136 def __init__(self, names=()):
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137 self.names = misc.Set()
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138 self.globals = misc.Set()
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139 for name in names:
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140 self.names.add(name)
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141
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142 # XXX list comprehensions and for loops
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143
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144 def getLocals(self):
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145 for elt in self.globals.elements():
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146 if self.names.has_elt(elt):
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147 self.names.remove(elt)
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148 return self.names
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149
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150 def visitDict(self, node):
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151 pass
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152
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153 def visitGlobal(self, node):
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154 for name in node.names:
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155 self.globals.add(name)
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156
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157 def visitFunction(self, node):
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158 self.names.add(node.name)
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159
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160 def visitLambda(self, node):
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161 pass
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162
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163 def visitImport(self, node):
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164 for name, alias in node.names:
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165 self.names.add(alias or name)
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166
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167 def visitFrom(self, node):
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168 for name, alias in node.names:
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169 self.names.add(alias or name)
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170
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171 def visitClass(self, node):
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172 self.names.add(node.name)
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173
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174 def visitAssName(self, node):
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175 self.names.add(node.name)
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176
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
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177 def is_constant_false(node):
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diff changeset
178 if isinstance(node, ast.Const):
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diff changeset
179 if not node.value:
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diff changeset
180 return 1
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181 return 0
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182
11705
d10c108d3fd7 checking in initial weekend's work
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parents:
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183 class CodeGenerator:
17436
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184 """Defines basic code generator for Python bytecode
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185
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186 This class is an abstract base class. Concrete subclasses must
98f69245bb69 Preliminary support for nested scopes
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187 define an __init__() that defines self.graph and then calls the
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188 __init__() defined in this class.
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189
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190 The concrete class must also define the class attributes
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191 NameFinder, FunctionGen, and ClassGen. These attributes can be
98f69245bb69 Preliminary support for nested scopes
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diff changeset
192 defined in the initClass() method, which is a hook for
98f69245bb69 Preliminary support for nested scopes
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diff changeset
193 initializing these methods after all the classes have been
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
194 defined.
17436
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195 """
11743
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diff changeset
196
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diff changeset
197 optimized = 0 # is namespace access optimized?
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198 __initialized = None
19522
a0847b7a8902 Handle private names
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199 class_name = None # provide default for instance variable
11751
3f1da05ced55 add support for Lambda nodes
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diff changeset
200
19939
aaca4d3cf62b Handle more syntax errors.
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diff changeset
201 def __init__(self):
17436
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202 if self.__initialized is None:
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diff changeset
203 self.initClass()
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204 self.__class__.__initialized = 1
98f69245bb69 Preliminary support for nested scopes
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205 self.checkClass()
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206 self.locals = misc.Stack()
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
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parents: 19567
diff changeset
207 self.setups = misc.Stack()
14362
a665bdc4922f patch by Neil Schemenauer to improve (fix?) line number generation
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parents: 14359
diff changeset
208 self.last_lineno = None
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209 self._setupGraphDelegation()
19936
6944f5b9de03 support true division
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diff changeset
210 self._div_op = "BINARY_DIVIDE"
11793
d2ab9553f871 support for arglists with implicit tuple unpacks
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diff changeset
211
19920
63930159ca3c Various sundry changes for 2.2 compatibility
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diff changeset
212 # XXX set flags based on future features
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diff changeset
213 futures = self.get_module().futures
63930159ca3c Various sundry changes for 2.2 compatibility
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diff changeset
214 for feature in futures:
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parents: 19619
diff changeset
215 if feature == "division":
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diff changeset
216 self.graph.setFlag(CO_FUTURE_DIVISION)
19936
6944f5b9de03 support true division
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diff changeset
217 self._div_op = "BINARY_TRUE_DIVIDE"
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
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parents: 36706
diff changeset
218 elif feature == "absolute_import":
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Thomas Wouters <thomas@python.org>
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diff changeset
219 self.graph.setFlag(CO_FUTURE_ABSIMPORT)
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
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diff changeset
220 elif feature == "with_statement":
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
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diff changeset
221 self.graph.setFlag(CO_FUTURE_WITH_STATEMENT)
45897
c77e3119e267 Fixed compiler module so __future__ print_function is compilable.
Eric Smith <eric@trueblade.com>
parents: 45703
diff changeset
222 elif feature == "print_function":
c77e3119e267 Fixed compiler module so __future__ print_function is compilable.
Eric Smith <eric@trueblade.com>
parents: 45703
diff changeset
223 self.graph.setFlag(CO_FUTURE_PRINT_FUNCTION)
19920
63930159ca3c Various sundry changes for 2.2 compatibility
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diff changeset
224
17436
98f69245bb69 Preliminary support for nested scopes
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diff changeset
225 def initClass(self):
98f69245bb69 Preliminary support for nested scopes
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diff changeset
226 """This method is called once for each class"""
98f69245bb69 Preliminary support for nested scopes
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diff changeset
227
98f69245bb69 Preliminary support for nested scopes
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diff changeset
228 def checkClass(self):
98f69245bb69 Preliminary support for nested scopes
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diff changeset
229 """Verify that class is constructed correctly"""
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
230 try:
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
231 assert hasattr(self, 'graph')
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
232 assert getattr(self, 'NameFinder')
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
233 assert getattr(self, 'FunctionGen')
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
234 assert getattr(self, 'ClassGen')
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
235 except AssertionError, msg:
98f69245bb69 Preliminary support for nested scopes
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parents: 17413
diff changeset
236 intro = "Bad class construction for %s" % self.__class__.__name__
98f69245bb69 Preliminary support for nested scopes
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parents: 17413
diff changeset
237 raise AssertionError, intro
98f69245bb69 Preliminary support for nested scopes
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diff changeset
238
12009
127f70f59b02 complete rewrite
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diff changeset
239 def _setupGraphDelegation(self):
13941
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Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
240 self.emit = self.graph.emit
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
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parents: 13864
diff changeset
241 self.newBlock = self.graph.newBlock
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
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parents: 13864
diff changeset
242 self.startBlock = self.graph.startBlock
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
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parents: 13864
diff changeset
243 self.nextBlock = self.graph.nextBlock
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
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parents: 13864
diff changeset
244 self.setDocstring = self.graph.setDocstring
11793
d2ab9553f871 support for arglists with implicit tuple unpacks
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diff changeset
245
12009
127f70f59b02 complete rewrite
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diff changeset
246 def getCode(self):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
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diff changeset
247 """Return a code object"""
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
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parents: 13864
diff changeset
248 return self.graph.getCode()
11754
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
249
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
250 def mangle(self, name):
a0847b7a8902 Handle private names
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parents: 19519
diff changeset
251 if self.class_name is not None:
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
252 return misc.mangle(name, self.class_name)
a0847b7a8902 Handle private names
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parents: 19519
diff changeset
253 else:
a0847b7a8902 Handle private names
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diff changeset
254 return name
a0847b7a8902 Handle private names
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diff changeset
255
19920
63930159ca3c Various sundry changes for 2.2 compatibility
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parents: 19619
diff changeset
256 def parseSymbols(self, tree):
63930159ca3c Various sundry changes for 2.2 compatibility
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parents: 19619
diff changeset
257 s = symbols.SymbolVisitor()
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
258 walk(tree, s)
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
259 return s.scopes
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
260
63930159ca3c Various sundry changes for 2.2 compatibility
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parents: 19619
diff changeset
261 def get_module(self):
63930159ca3c Various sundry changes for 2.2 compatibility
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parents: 19619
diff changeset
262 raise RuntimeError, "should be implemented by subclasses"
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
263
12009
127f70f59b02 complete rewrite
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parents: 11927
diff changeset
264 # Next five methods handle name access
11724
71d038db0dd2 now produces valid pyc files for a least a trivial subset of the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11710
diff changeset
265
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
266 def isLocalName(self, name):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
267 return self.locals.top().has_elt(name)
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
268
11743
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
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parents: 11734
diff changeset
269 def storeName(self, name):
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
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parents: 11734
diff changeset
270 self._nameOp('STORE', name)
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
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diff changeset
271
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
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parents: 11734
diff changeset
272 def loadName(self, name):
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11734
diff changeset
273 self._nameOp('LOAD', name)
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
274
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
275 def delName(self, name):
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11734
diff changeset
276 self._nameOp('DELETE', name)
c978a23a4dab add namespace attr to CodeGenerator, can be either MODULE_NAMESPACE or
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parents: 11734
diff changeset
277
12009
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diff changeset
278 def _nameOp(self, prefix, name):
19522
a0847b7a8902 Handle private names
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parents: 19519
diff changeset
279 name = self.mangle(name)
19920
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parents: 19619
diff changeset
280 scope = self.scope.check_name(name)
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
281 if scope == SC_LOCAL:
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
282 if not self.optimized:
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
283 self.emit(prefix + '_NAME', name)
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diff changeset
284 else:
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diff changeset
285 self.emit(prefix + '_FAST', name)
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diff changeset
286 elif scope == SC_GLOBAL_EXPLICT:
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diff changeset
287 self.emit(prefix + '_GLOBAL', name)
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288 elif scope == SC_GLOBAL_IMPLICIT:
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diff changeset
289 if not self.optimized:
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diff changeset
290 self.emit(prefix + '_NAME', name)
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diff changeset
291 else:
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diff changeset
292 self.emit(prefix + '_GLOBAL', name)
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diff changeset
293 elif scope == SC_FREE or scope == SC_CELL:
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diff changeset
294 self.emit(prefix + '_DEREF', name)
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diff changeset
295 else:
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diff changeset
296 raise RuntimeError, "unsupported scope for var %s: %d" % \
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297 (name, scope)
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298
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299 def _implicitNameOp(self, prefix, name):
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300 """Emit name ops for names generated implicitly by for loops
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301
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diff changeset
302 The interpreter generates names that start with a period or
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diff changeset
303 dollar sign. The symbol table ignores these names because
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304 they aren't present in the program text.
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305 """
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diff changeset
306 if self.optimized:
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307 self.emit(prefix + '_FAST', name)
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308 else:
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309 self.emit(prefix + '_NAME', name)
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310
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diff changeset
311 # The set_lineno() function and the explicit emit() calls for
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
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312 # SET_LINENO below are only used to generate the line number table.
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313 # As of Python 2.3, the interpreter does not have a SET_LINENO
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
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diff changeset
314 # instruction. pyassem treats SET_LINENO opcodes as a special case.
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315
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diff changeset
316 def set_lineno(self, node, force=False):
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317 """Emit SET_LINENO if necessary.
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318
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diff changeset
319 The instruction is considered necessary if the node has a
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diff changeset
320 lineno attribute and it is different than the last lineno
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diff changeset
321 emitted.
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322
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323 Returns true if SET_LINENO was emitted.
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diff changeset
324
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diff changeset
325 There are no rules for when an AST node should have a lineno
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diff changeset
326 attribute. The transformer and AST code need to be reviewed
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diff changeset
327 and a consistent policy implemented and documented. Until
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diff changeset
328 then, this method works around missing line numbers.
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diff changeset
329 """
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diff changeset
330 lineno = getattr(node, 'lineno', None)
17453
f3b6ac128de9 pyassem.py:
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parents: 17449
diff changeset
331 if lineno is not None and (lineno != self.last_lineno
f3b6ac128de9 pyassem.py:
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parents: 17449
diff changeset
332 or force):
13864
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diff changeset
333 self.emit('SET_LINENO', lineno)
14362
a665bdc4922f patch by Neil Schemenauer to improve (fix?) line number generation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14359
diff changeset
334 self.last_lineno = lineno
26979
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diff changeset
335 return True
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diff changeset
336 return False
13864
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diff changeset
337
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338 # The first few visitor methods handle nodes that generator new
17436
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diff changeset
339 # code objects. They use class attributes to determine what
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diff changeset
340 # specialized code generators to use.
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diff changeset
341
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diff changeset
342 NameFinder = LocalNameFinder
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diff changeset
343 FunctionGen = None
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344 ClassGen = None
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345
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346 def visitModule(self, node):
19920
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diff changeset
347 self.scopes = self.parseSymbols(node)
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diff changeset
348 self.scope = self.scopes[node]
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diff changeset
349 self.emit('SET_LINENO', 0)
19518
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diff changeset
350 if node.doc:
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diff changeset
351 self.emit('LOAD_CONST', node.doc)
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diff changeset
352 self.storeName('__doc__')
fbb35268fed4 Many changes -- bug fixes and sundry improvements
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diff changeset
353 lnf = walk(node.node, self.NameFinder(), verbose=0)
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diff changeset
354 self.locals.push(lnf.getLocals())
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diff changeset
355 self.visit(node.node)
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diff changeset
356 self.emit('LOAD_CONST', None)
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357 self.emit('RETURN_VALUE')
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diff changeset
358
21522
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
359 def visitExpression(self, node):
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
360 self.set_lineno(node)
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
361 self.scopes = self.parseSymbols(node)
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
362 self.scope = self.scopes[node]
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
363 self.visit(node.node)
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
364 self.emit('RETURN_VALUE')
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Barry Warsaw <barry@python.org>
parents: 21059
diff changeset
365
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diff changeset
366 def visitFunction(self, node):
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diff changeset
367 self._visitFuncOrLambda(node, isLambda=0)
17410
f967489ee3b6 Generate docstrings.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17346
diff changeset
368 if node.doc:
f967489ee3b6 Generate docstrings.
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diff changeset
369 self.setDocstring(node.doc)
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diff changeset
370 self.storeName(node.name)
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diff changeset
371
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diff changeset
372 def visitLambda(self, node):
13941
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diff changeset
373 self._visitFuncOrLambda(node, isLambda=1)
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diff changeset
374
17436
98f69245bb69 Preliminary support for nested scopes
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diff changeset
375 def _visitFuncOrLambda(self, node, isLambda=0):
32888
c7e03cf8333e PEP-0318, @decorator-style. In Guido's words:
Anthony Baxter <anthonybaxter@gmail.com>
parents: 32528
diff changeset
376 if not isLambda and node.decorators:
33166
2e8d2bdd33de This is Mark Russell's patch:
Michael W. Hudson <mwh@python.net>
parents: 33020
diff changeset
377 for decorator in node.decorators.nodes:
32888
c7e03cf8333e PEP-0318, @decorator-style. In Guido's words:
Anthony Baxter <anthonybaxter@gmail.com>
parents: 32528
diff changeset
378 self.visit(decorator)
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parents: 32528
diff changeset
379 ndecorators = len(node.decorators.nodes)
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 32528
diff changeset
380 else:
c7e03cf8333e PEP-0318, @decorator-style. In Guido's words:
Anthony Baxter <anthonybaxter@gmail.com>
parents: 32528
diff changeset
381 ndecorators = 0
33204
c18aca7e81cb Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 33166
diff changeset
382
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
383 gen = self.FunctionGen(node, self.scopes, isLambda,
19920
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diff changeset
384 self.class_name, self.get_module())
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Thomas Wouters <thomas@python.org>
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diff changeset
385 walk(node.code, gen)
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diff changeset
386 gen.finish()
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
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diff changeset
387 self.set_lineno(node)
12009
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diff changeset
388 for default in node.defaults:
127f70f59b02 complete rewrite
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diff changeset
389 self.visit(default)
39370
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
390 self._makeClosure(gen, len(node.defaults))
32888
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Anthony Baxter <anthonybaxter@gmail.com>
parents: 32528
diff changeset
391 for i in range(ndecorators):
c7e03cf8333e PEP-0318, @decorator-style. In Guido's words:
Anthony Baxter <anthonybaxter@gmail.com>
parents: 32528
diff changeset
392 self.emit('CALL_FUNCTION', 1)
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diff changeset
393
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diff changeset
394 def visitClass(self, node):
19939
aaca4d3cf62b Handle more syntax errors.
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parents: 19936
diff changeset
395 gen = self.ClassGen(node, self.scopes,
19920
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parents: 19619
diff changeset
396 self.get_module())
12009
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diff changeset
397 walk(node.code, gen)
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diff changeset
398 gen.finish()
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
399 self.set_lineno(node)
12009
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diff changeset
400 self.emit('LOAD_CONST', node.name)
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Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
401 for base in node.bases:
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Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
402 self.visit(base)
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diff changeset
403 self.emit('BUILD_TUPLE', len(node.bases))
39370
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
404 self._makeClosure(gen, 0)
12009
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diff changeset
405 self.emit('CALL_FUNCTION', 0)
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diff changeset
406 self.emit('BUILD_CLASS')
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diff changeset
407 self.storeName(node.name)
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diff changeset
408
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diff changeset
409 # The rest are standard visitor methods
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diff changeset
410
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
411 # The next few implement control-flow statements
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parents: 11927
diff changeset
412
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
413 def visitIf(self, node):
13941
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Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
414 end = self.newBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
415 numtests = len(node.tests)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
416 for i in range(numtests):
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
417 test, suite = node.tests[i]
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
418 if is_constant_false(test):
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
419 # XXX will need to check generator stuff here
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
420 continue
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
421 self.set_lineno(test)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
422 self.visit(test)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
423 nextTest = self.newBlock()
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
424 self.emit('POP_JUMP_IF_FALSE', nextTest)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
425 self.nextBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
426 self.visit(suite)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
427 self.emit('JUMP_FORWARD', end)
15379
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
428 self.startBlock(nextTest)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
429 if node.else_:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
430 self.visit(node.else_)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
431 self.nextBlock(end)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
432
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
433 def visitWhile(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
434 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
435
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
436 loop = self.newBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
437 else_ = self.newBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
438
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
439 after = self.newBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
440 self.emit('SETUP_LOOP', after)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
441
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
442 self.nextBlock(loop)
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
443 self.setups.push((LOOP, loop))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
444
26979
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
445 self.set_lineno(node, force=True)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
446 self.visit(node.test)
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
447 self.emit('POP_JUMP_IF_FALSE', else_ or after)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
448
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
449 self.nextBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
450 self.visit(node.body)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
451 self.emit('JUMP_ABSOLUTE', loop)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
452
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
453 self.startBlock(else_) # or just the POPs if not else clause
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
454 self.emit('POP_BLOCK')
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
455 self.setups.pop()
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
456 if node.else_:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
457 self.visit(node.else_)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
458 self.nextBlock(after)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
459
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
460 def visitFor(self, node):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
461 start = self.newBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
462 anchor = self.newBlock()
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
463 after = self.newBlock()
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
464 self.setups.push((LOOP, start))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
465
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
466 self.set_lineno(node)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
467 self.emit('SETUP_LOOP', after)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
468 self.visit(node.list)
19531
deacd60272be Generate FOR_ITER-based loops instead of old FOR_LOOP-based loops
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19522
diff changeset
469 self.emit('GET_ITER')
deacd60272be Generate FOR_ITER-based loops instead of old FOR_LOOP-based loops
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19522
diff changeset
470
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
471 self.nextBlock(start)
17460
99c471ced170 Pop loop off the loop stack before handling the loop's else clause.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17459
diff changeset
472 self.set_lineno(node, force=1)
19531
deacd60272be Generate FOR_ITER-based loops instead of old FOR_LOOP-based loops
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19522
diff changeset
473 self.emit('FOR_ITER', anchor)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
474 self.visit(node.assign)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
475 self.visit(node.body)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
476 self.emit('JUMP_ABSOLUTE', start)
19534
de10151a7f63 Make sure the JUMP_ABSOLUTE and POP_BLOCK at the end of a for loop are
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19531
diff changeset
477 self.nextBlock(anchor)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
478 self.emit('POP_BLOCK')
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
479 self.setups.pop()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
480 if node.else_:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
481 self.visit(node.else_)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
482 self.nextBlock(after)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
483
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
484 def visitBreak(self, node):
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
485 if not self.setups:
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
486 raise SyntaxError, "'break' outside loop (%s, %d)" % \
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
487 (node.filename, node.lineno)
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
488 self.set_lineno(node)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
489 self.emit('BREAK_LOOP')
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
490
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
491 def visitContinue(self, node):
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
492 if not self.setups:
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
493 raise SyntaxError, "'continue' outside loop (%s, %d)" % \
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
494 (node.filename, node.lineno)
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
495 kind, block = self.setups.top()
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
496 if kind == LOOP:
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
497 self.set_lineno(node)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
498 self.emit('JUMP_ABSOLUTE', block)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
499 self.nextBlock()
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
500 elif kind == EXCEPT or kind == TRY_FINALLY:
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
501 self.set_lineno(node)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
502 # find the block that starts the loop
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
503 top = len(self.setups)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
504 while top > 0:
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
505 top = top - 1
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
506 kind, loop_block = self.setups[top]
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
507 if kind == LOOP:
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
508 break
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
509 if kind != LOOP:
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
510 raise SyntaxError, "'continue' outside loop (%s, %d)" % \
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
511 (node.filename, node.lineno)
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
512 self.emit('CONTINUE_LOOP', loop_block)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
513 self.nextBlock()
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
514 elif kind == END_FINALLY:
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
515 msg = "'continue' not allowed inside 'finally' clause (%s, %d)"
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
516 raise SyntaxError, msg % (node.filename, node.lineno)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
517
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
518 def visitTest(self, node, jump):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
519 end = self.newBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
520 for child in node.nodes[:-1]:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
521 self.visit(child)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
522 self.emit(jump, end)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
523 self.nextBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
524 self.visit(node.nodes[-1])
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
525 self.nextBlock(end)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
526
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
527 def visitAnd(self, node):
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
528 self.visitTest(node, 'JUMP_IF_FALSE_OR_POP')
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
529
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
530 def visitOr(self, node):
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
531 self.visitTest(node, 'JUMP_IF_TRUE_OR_POP')
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
532
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
533 def visitIfExp(self, node):
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
534 endblock = self.newBlock()
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
535 elseblock = self.newBlock()
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
536 self.visit(node.test)
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
537 self.emit('POP_JUMP_IF_FALSE', elseblock)
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
538 self.visit(node.then)
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
539 self.emit('JUMP_FORWARD', endblock)
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
540 self.nextBlock(elseblock)
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
541 self.visit(node.else_)
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
542 self.nextBlock(endblock)
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
543
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
544 def visitCompare(self, node):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
545 self.visit(node.expr)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
546 cleanup = self.newBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
547 for op, code in node.ops[:-1]:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
548 self.visit(code)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
549 self.emit('DUP_TOP')
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
550 self.emit('ROT_THREE')
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
551 self.emit('COMPARE_OP', op)
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
552 self.emit('JUMP_IF_FALSE_OR_POP', cleanup)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
553 self.nextBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
554 # now do the last comparison
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
555 if node.ops:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
556 op, code = node.ops[-1]
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
557 self.visit(code)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
558 self.emit('COMPARE_OP', op)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
559 if len(node.ops) > 1:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
560 end = self.newBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
561 self.emit('JUMP_FORWARD', end)
15379
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
562 self.startBlock(cleanup)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
563 self.emit('ROT_TWO')
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
564 self.emit('POP_TOP')
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
565 self.nextBlock(end)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
566
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
567 # list comprehensions
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
568 def visitListComp(self, node):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
569 self.set_lineno(node)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
570 # setup list
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
571 self.emit('BUILD_LIST', 0)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
572
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
573 stack = []
17453
f3b6ac128de9 pyassem.py:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17449
diff changeset
574 for i, for_ in zip(range(len(node.quals)), node.quals):
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
575 start, anchor = self.visit(for_)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
576 cont = None
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
577 for if_ in for_.ifs:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
578 if cont is None:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
579 cont = self.newBlock()
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
580 self.visit(if_, cont)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
581 stack.insert(0, (start, cont, anchor))
17453
f3b6ac128de9 pyassem.py:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17449
diff changeset
582
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
583 self.visit(node.expr)
50204
94e79d78dff0 Issue #2183: Simplify and optimize bytecode for list comprehensions.
Antoine Pitrou <solipsis@pitrou.net>
parents: 45897
diff changeset
584 self.emit('LIST_APPEND', len(node.quals) + 1)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
585
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
586 for start, cont, anchor in stack:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
587 if cont:
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
588 self.nextBlock(cont)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
589 self.emit('JUMP_ABSOLUTE', start)
15379
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
590 self.startBlock(anchor)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
591
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
592 def visitListCompFor(self, node):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
593 start = self.newBlock()
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
594 anchor = self.newBlock()
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
595
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
596 self.visit(node.list)
19619
5663b883ea5d Fix _convert_NAME() so that it doesn't store locals for class bodies.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19609
diff changeset
597 self.emit('GET_ITER')
17459
e846e960e7f6 Use new _implicitNameOp() to generate name op code for list comprehensions.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17454
diff changeset
598 self.nextBlock(start)
26983
2c67169f6e13 Replace all but one explicit emit('SET_LINENO') with call to set_lineno().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26979
diff changeset
599 self.set_lineno(node, force=True)
19619
5663b883ea5d Fix _convert_NAME() so that it doesn't store locals for class bodies.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19609
diff changeset
600 self.emit('FOR_ITER', anchor)
15379
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
601 self.nextBlock()
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
602 self.visit(node.assign)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
603 return start, anchor
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
604
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
605 def visitListCompIf(self, node, branch):
26979
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
606 self.set_lineno(node, force=True)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
607 self.visit(node.test)
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
608 self.emit('POP_JUMP_IF_FALSE', branch)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
609 self.newBlock()
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
610
39370
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
611 def _makeClosure(self, gen, args):
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
612 frees = gen.scope.get_free_vars()
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
613 if frees:
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
614 for name in frees:
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
615 self.emit('LOAD_CLOSURE', name)
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
616 self.emit('BUILD_TUPLE', len(frees))
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
617 self.emit('LOAD_CONST', gen)
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
618 self.emit('MAKE_CLOSURE', args)
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
619 else:
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
620 self.emit('LOAD_CONST', gen)
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
621 self.emit('MAKE_FUNCTION', args)
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
622
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
623 def visitGenExpr(self, node):
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
624 gen = GenExprCodeGenerator(node, self.scopes, self.class_name,
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
625 self.get_module())
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
626 walk(node.code, gen)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
627 gen.finish()
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
628 self.set_lineno(node)
39370
eb23d096d694 Fix the 'compiler' package to generate correct code for MAKE_CLOSURE.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 38084
diff changeset
629 self._makeClosure(gen, 0)
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
630 # precomputation of outmost iterable
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
631 self.visit(node.code.quals[0].iter)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
632 self.emit('GET_ITER')
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
633 self.emit('CALL_FUNCTION', 1)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
634
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
635 def visitGenExprInner(self, node):
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
636 self.set_lineno(node)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
637 # setup list
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
638
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
639 stack = []
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
640 for i, for_ in zip(range(len(node.quals)), node.quals):
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
641 start, anchor, end = self.visit(for_)
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
642 cont = None
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
643 for if_ in for_.ifs:
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
644 if cont is None:
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
645 cont = self.newBlock()
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
646 self.visit(if_, cont)
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
647 stack.insert(0, (start, cont, anchor, end))
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
648
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
649 self.visit(node.expr)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
650 self.emit('YIELD_VALUE')
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
651 self.emit('POP_TOP')
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
652
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
653 for start, cont, anchor, end in stack:
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
654 if cont:
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
655 self.nextBlock(cont)
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
656 self.emit('JUMP_ABSOLUTE', start)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
657 self.startBlock(anchor)
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
658 self.emit('POP_BLOCK')
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
659 self.setups.pop()
51404
42faa8054c3d Overhaul Lib/compiler block ordering. The previous code was filled with
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 50204
diff changeset
660 self.nextBlock(end)
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
661
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
662 self.emit('LOAD_CONST', None)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
663
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
664 def visitGenExprFor(self, node):
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
665 start = self.newBlock()
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
666 anchor = self.newBlock()
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
667 end = self.newBlock()
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
668
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
669 self.setups.push((LOOP, start))
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
670 self.emit('SETUP_LOOP', end)
32528
67539cfcf09f Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 32121
diff changeset
671
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
672 if node.is_outmost:
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
673 self.loadName('.0')
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
674 else:
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
675 self.visit(node.iter)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
676 self.emit('GET_ITER')
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
677
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
678 self.nextBlock(start)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
679 self.set_lineno(node, force=True)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
680 self.emit('FOR_ITER', anchor)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
681 self.nextBlock()
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
682 self.visit(node.assign)
39532
a6afe0eda711 Fix a bug in the ``compiler`` package that caused invalid code to be
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 39370
diff changeset
683 return start, anchor, end
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
684
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
685 def visitGenExprIf(self, node, branch):
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
686 self.set_lineno(node, force=True)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
687 self.visit(node.test)
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
688 self.emit('POP_JUMP_IF_FALSE', branch)
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
689 self.newBlock()
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
690
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
691 # exception related
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
692
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
693 def visitAssert(self, node):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
694 # XXX would be interesting to implement this via a
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
695 # transformation of the AST before this stage
33020
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
696 if __debug__:
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
697 end = self.newBlock()
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
698 self.set_lineno(node)
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
699 # XXX AssertionError appears to be special case -- it is always
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
700 # loaded as a global even if there is a local name. I guess this
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
701 # is a sort of renaming op.
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
702 self.nextBlock()
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
703 self.visit(node.test)
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
704 self.emit('POP_JUMP_IF_TRUE', end)
33020
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
705 self.nextBlock()
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
706 self.emit('LOAD_GLOBAL', 'AssertionError')
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
707 if node.fail:
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
708 self.visit(node.fail)
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
709 self.emit('RAISE_VARARGS', 2)
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
710 else:
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
711 self.emit('RAISE_VARARGS', 1)
ad818338f8c3 SF patch 836879.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32949
diff changeset
712 self.nextBlock(end)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
713
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
714 def visitRaise(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
715 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
716 n = 0
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
717 if node.expr1:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
718 self.visit(node.expr1)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
719 n = n + 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
720 if node.expr2:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
721 self.visit(node.expr2)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
722 n = n + 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
723 if node.expr3:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
724 self.visit(node.expr3)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
725 n = n + 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
726 self.emit('RAISE_VARARGS', n)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
727
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
728 def visitTryExcept(self, node):
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
729 body = self.newBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
730 handlers = self.newBlock()
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
731 end = self.newBlock()
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
732 if node.else_:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
733 lElse = self.newBlock()
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
734 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
735 lElse = end
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
736 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
737 self.emit('SETUP_EXCEPT', handlers)
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
738 self.nextBlock(body)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
739 self.setups.push((EXCEPT, body))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
740 self.visit(node.body)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
741 self.emit('POP_BLOCK')
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
742 self.setups.pop()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
743 self.emit('JUMP_FORWARD', lElse)
15379
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
744 self.startBlock(handlers)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
745
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
746 last = len(node.handlers) - 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
747 for i in range(len(node.handlers)):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
748 expr, target, body = node.handlers[i]
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
749 self.set_lineno(expr)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
750 if expr:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
751 self.emit('DUP_TOP')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
752 self.visit(expr)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
753 self.emit('COMPARE_OP', 'exception match')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
754 next = self.newBlock()
51920
ef8fe9088696 Backport r69961 to trunk, replacing JUMP_IF_{TRUE,FALSE} with
Jeffrey Yasskin <jyasskin@gmail.com>
parents: 51425
diff changeset
755 self.emit('POP_JUMP_IF_FALSE', next)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
756 self.nextBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
757 self.emit('POP_TOP')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
758 if target:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
759 self.visit(target)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
760 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
761 self.emit('POP_TOP')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
762 self.emit('POP_TOP')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
763 self.visit(body)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
764 self.emit('JUMP_FORWARD', end)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
765 if expr:
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
766 self.nextBlock(next)
15379
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
767 else:
7a82f84290f7 Change the graph structure to contain the code generator object for
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15205
diff changeset
768 self.nextBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
769 self.emit('END_FINALLY')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
770 if node.else_:
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
771 self.nextBlock(lElse)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
772 self.visit(node.else_)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
773 self.nextBlock(end)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
774
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
775 def visitTryFinally(self, node):
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
776 body = self.newBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
777 final = self.newBlock()
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
778 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
779 self.emit('SETUP_FINALLY', final)
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
780 self.nextBlock(body)
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
781 self.setups.push((TRY_FINALLY, body))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
782 self.visit(node.body)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
783 self.emit('POP_BLOCK')
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
784 self.setups.pop()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
785 self.emit('LOAD_CONST', None)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
786 self.nextBlock(final)
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
787 self.setups.push((END_FINALLY, final))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
788 self.visit(node.final)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
789 self.emit('END_FINALLY')
19573
725762ca2774 Track the block stack more reasonably in order to handle continue in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19567
diff changeset
790 self.setups.pop()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
791
36706
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
792 __with_count = 0
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
793
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
794 def visitWith(self, node):
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
795 body = self.newBlock()
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
796 final = self.newBlock()
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
797 self.__with_count += 1
51420
0151c514df56 Make names generated for 'with' variables match the built-in compiler.
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 51404
diff changeset
798 valuevar = "_[%d]" % self.__with_count
36706
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
799 self.set_lineno(node)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
800 self.visit(node.expr)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
801 self.emit('DUP_TOP')
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
802 self.emit('LOAD_ATTR', '__exit__')
45703
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files)
Nick Coghlan <ncoghlan@gmail.com>
parents: 40719
diff changeset
803 self.emit('ROT_TWO')
36706
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
804 self.emit('LOAD_ATTR', '__enter__')
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
805 self.emit('CALL_FUNCTION', 0)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
806 if node.vars is None:
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
807 self.emit('POP_TOP')
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
808 else:
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
809 self._implicitNameOp('STORE', valuevar)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
810 self.emit('SETUP_FINALLY', final)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
811 self.nextBlock(body)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
812 self.setups.push((TRY_FINALLY, body))
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
813 if node.vars is not None:
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
814 self._implicitNameOp('LOAD', valuevar)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
815 self._implicitNameOp('DELETE', valuevar)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
816 self.visit(node.vars)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
817 self.visit(node.body)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
818 self.emit('POP_BLOCK')
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
819 self.setups.pop()
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
820 self.emit('LOAD_CONST', None)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
821 self.nextBlock(final)
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
822 self.setups.push((END_FINALLY, final))
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
823 self.emit('WITH_CLEANUP')
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
824 self.emit('END_FINALLY')
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
825 self.setups.pop()
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
826 self.__with_count -= 1
b6b1c44d9110 Update the compiler package to compile the with-statement.
Guido van Rossum <guido@python.org>
parents: 35946
diff changeset
827
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
828 # misc
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
829
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
830 def visitDiscard(self, node):
17412
3704be3db302 [finishing fix from earlier checkins]
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17410
diff changeset
831 self.set_lineno(node)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
832 self.visit(node.expr)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
833 self.emit('POP_TOP')
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
834
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
835 def visitConst(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
836 self.emit('LOAD_CONST', node.value)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
837
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
838 def visitKeyword(self, node):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
839 self.emit('LOAD_CONST', node.name)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
840 self.visit(node.expr)
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
841
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
842 def visitGlobal(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
843 # no code to generate
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
844 pass
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
845
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
846 def visitName(self, node):
14362
a665bdc4922f patch by Neil Schemenauer to improve (fix?) line number generation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14359
diff changeset
847 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
848 self.loadName(node.name)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
849
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
850 def visitPass(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
851 self.set_lineno(node)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
852
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
853 def visitImport(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
854 self.set_lineno(node)
36823
7a6b174ddef2 Fix compiler breakage related to absolute imports
Neal Norwitz <nnorwitz@gmail.com>
parents: 36821
diff changeset
855 level = 0 if self.graph.checkFlag(CO_FUTURE_ABSIMPORT) else -1
14359
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
856 for name, alias in node.names:
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
857 if VERSION > 1:
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
858 self.emit('LOAD_CONST', level)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
859 self.emit('LOAD_CONST', None)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
860 self.emit('IMPORT_NAME', name)
23710
44b9977d4848 Remove uses of string module and stat.ST_MODE
Neal Norwitz <nnorwitz@gmail.com>
parents: 21958
diff changeset
861 mod = name.split(".")[0]
29602
caa8c120e2cb Jacob Hallen cornered me here at EuroPython and got me to look at
Michael W. Hudson <mwh@python.net>
parents: 26983
diff changeset
862 if alias:
caa8c120e2cb Jacob Hallen cornered me here at EuroPython and got me to look at
Michael W. Hudson <mwh@python.net>
parents: 26983
diff changeset
863 self._resolveDots(name)
caa8c120e2cb Jacob Hallen cornered me here at EuroPython and got me to look at
Michael W. Hudson <mwh@python.net>
parents: 26983
diff changeset
864 self.storeName(alias)
caa8c120e2cb Jacob Hallen cornered me here at EuroPython and got me to look at
Michael W. Hudson <mwh@python.net>
parents: 26983
diff changeset
865 else:
caa8c120e2cb Jacob Hallen cornered me here at EuroPython and got me to look at
Michael W. Hudson <mwh@python.net>
parents: 26983
diff changeset
866 self.storeName(mod)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
867
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
868 def visitFrom(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
869 self.set_lineno(node)
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
870 level = node.level
36823
7a6b174ddef2 Fix compiler breakage related to absolute imports
Neal Norwitz <nnorwitz@gmail.com>
parents: 36821
diff changeset
871 if level == 0 and not self.graph.checkFlag(CO_FUTURE_ABSIMPORT):
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
872 level = -1
14359
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
873 fromlist = map(lambda (name, alias): name, node.names)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
874 if VERSION > 1:
36820
c1c46210b4b7 Add support for absolute/relative imports and if/else expressions:
Thomas Wouters <thomas@python.org>
parents: 36706
diff changeset
875 self.emit('LOAD_CONST', level)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
876 self.emit('LOAD_CONST', tuple(fromlist))
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
877 self.emit('IMPORT_NAME', node.modname)
14359
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
878 for name, alias in node.names:
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
879 if VERSION > 1:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
880 if name == '*':
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
881 self.namespace = 0
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
882 self.emit('IMPORT_STAR')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
883 # There can only be one name w/ from ... import *
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
884 assert len(node.names) == 1
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
885 return
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
886 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
887 self.emit('IMPORT_FROM', name)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
888 self._resolveDots(name)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
889 self.storeName(alias or name)
15185
100beebde9df Fix SF bug #116263: support for from .. import *
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14362
diff changeset
890 else:
100beebde9df Fix SF bug #116263: support for from .. import *
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14362
diff changeset
891 self.emit('IMPORT_FROM', name)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
892 self.emit('POP_TOP')
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
893
14359
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
894 def _resolveDots(self, name):
23710
44b9977d4848 Remove uses of string module and stat.ST_MODE
Neal Norwitz <nnorwitz@gmail.com>
parents: 21958
diff changeset
895 elts = name.split(".")
14359
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
896 if len(elts) == 1:
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
897 return
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
898 for elt in elts[1:]:
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
899 self.emit('LOAD_ATTR', elt)
35763be75ddb Update magic number.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13941
diff changeset
900
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
901 def visitGetattr(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
902 self.visit(node.expr)
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
903 self.emit('LOAD_ATTR', self.mangle(node.attrname))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
904
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
905 # next five implement assignments
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
906
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
907 def visitAssign(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
908 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
909 self.visit(node.expr)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
910 dups = len(node.nodes) - 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
911 for i in range(len(node.nodes)):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
912 elt = node.nodes[i]
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
913 if i < dups:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
914 self.emit('DUP_TOP')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
915 if isinstance(elt, ast.Node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
916 self.visit(elt)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
917
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
918 def visitAssName(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
919 if node.flags == 'OP_ASSIGN':
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
920 self.storeName(node.name)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
921 elif node.flags == 'OP_DELETE':
19561
81168ef4cb65 Support // and //=
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19534
diff changeset
922 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
923 self.delName(node.name)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
924 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
925 print "oops", node.flags
11754
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
926
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
927 def visitAssAttr(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
928 self.visit(node.expr)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
929 if node.flags == 'OP_ASSIGN':
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
930 self.emit('STORE_ATTR', self.mangle(node.attrname))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
931 elif node.flags == 'OP_DELETE':
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
932 self.emit('DELETE_ATTR', self.mangle(node.attrname))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
933 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
934 print "warning: unexpected flags:", node.flags
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
935 print node
11751
3f1da05ced55 add support for Lambda nodes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11748
diff changeset
936
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
937 def _visitAssSequence(self, node, op='UNPACK_SEQUENCE'):
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
938 if findOp(node) != 'OP_DELETE':
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
939 self.emit(op, len(node.nodes))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
940 for child in node.nodes:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
941 self.visit(child)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
942
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
943 if VERSION > 1:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
944 visitAssTuple = _visitAssSequence
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
945 visitAssList = _visitAssSequence
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
946 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
947 def visitAssTuple(self, node):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
948 self._visitAssSequence(node, 'UNPACK_TUPLE')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
949
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
950 def visitAssList(self, node):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
951 self._visitAssSequence(node, 'UNPACK_LIST')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
952
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
953 # augmented assignment
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
954
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
955 def visitAugAssign(self, node):
19519
99e953c6709c emit SET_LINENO for augmented assignments
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19518
diff changeset
956 self.set_lineno(node)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
957 aug_node = wrap_aug(node.node)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
958 self.visit(aug_node, "load")
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
959 self.visit(node.expr)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
960 self.emit(self._augmented_opcode[node.op])
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
961 self.visit(aug_node, "store")
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
962
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
963 _augmented_opcode = {
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
964 '+=' : 'INPLACE_ADD',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
965 '-=' : 'INPLACE_SUBTRACT',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
966 '*=' : 'INPLACE_MULTIPLY',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
967 '/=' : 'INPLACE_DIVIDE',
19561
81168ef4cb65 Support // and //=
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19534
diff changeset
968 '//=': 'INPLACE_FLOOR_DIVIDE',
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
969 '%=' : 'INPLACE_MODULO',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
970 '**=': 'INPLACE_POWER',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
971 '>>=': 'INPLACE_RSHIFT',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
972 '<<=': 'INPLACE_LSHIFT',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
973 '&=' : 'INPLACE_AND',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
974 '^=' : 'INPLACE_XOR',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
975 '|=' : 'INPLACE_OR',
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
976 }
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
977
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
978 def visitAugName(self, node, mode):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
979 if mode == "load":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
980 self.loadName(node.name)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
981 elif mode == "store":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
982 self.storeName(node.name)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
983
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
984 def visitAugGetattr(self, node, mode):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
985 if mode == "load":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
986 self.visit(node.expr)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
987 self.emit('DUP_TOP')
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
988 self.emit('LOAD_ATTR', self.mangle(node.attrname))
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
989 elif mode == "store":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
990 self.emit('ROT_TWO')
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
991 self.emit('STORE_ATTR', self.mangle(node.attrname))
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
992
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
993 def visitAugSlice(self, node, mode):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
994 if mode == "load":
17413
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17412
diff changeset
995 self.visitSlice(node, 1)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
996 elif mode == "store":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
997 slice = 0
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
998 if node.lower:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
999 slice = slice | 1
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1000 if node.upper:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1001 slice = slice | 2
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1002 if slice == 0:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1003 self.emit('ROT_TWO')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1004 elif slice == 3:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1005 self.emit('ROT_FOUR')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1006 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1007 self.emit('ROT_THREE')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1008 self.emit('STORE_SLICE+%d' % slice)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1009
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1010 def visitAugSubscript(self, node, mode):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1011 if mode == "load":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1012 self.visitSubscript(node, 1)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1013 elif mode == "store":
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1014 self.emit('ROT_THREE')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1015 self.emit('STORE_SUBSCR')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1016
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1017 def visitExec(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1018 self.visit(node.expr)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1019 if node.locals is None:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1020 self.emit('LOAD_CONST', None)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1021 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1022 self.visit(node.locals)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1023 if node.globals is None:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1024 self.emit('DUP_TOP')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1025 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1026 self.visit(node.globals)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1027 self.emit('EXEC_STMT')
11751
3f1da05ced55 add support for Lambda nodes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11748
diff changeset
1028
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1029 def visitCallFunc(self, node):
11754
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
1030 pos = 0
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
1031 kw = 0
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
1032 self.set_lineno(node)
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1033 self.visit(node.node)
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1034 for arg in node.args:
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1035 self.visit(arg)
11754
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
1036 if isinstance(arg, ast.Keyword):
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
1037 kw = kw + 1
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
1038 else:
dffbd921eeed change MODULE_NAMESPACE/FUNCTION_NAMESPACE stuff to have a single flag
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11751
diff changeset
1039 pos = pos + 1
12563
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1040 if node.star_args is not None:
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1041 self.visit(node.star_args)
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1042 if node.dstar_args is not None:
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1043 self.visit(node.dstar_args)
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1044 have_star = node.star_args is not None
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1045 have_dstar = node.dstar_args is not None
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1046 opcode = callfunc_opcode_info[have_star, have_dstar]
b87d75798d81 patches from Mark Hammond
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12009
diff changeset
1047 self.emit(opcode, kw << 8 | pos)
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1048
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1049 def visitPrint(self, node, newline=0):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
1050 self.set_lineno(node)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1051 if node.dest:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1052 self.visit(node.dest)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1053 for child in node.nodes:
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1054 if node.dest:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1055 self.emit('DUP_TOP')
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1056 self.visit(child)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1057 if node.dest:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1058 self.emit('ROT_TWO')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1059 self.emit('PRINT_ITEM_TO')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1060 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1061 self.emit('PRINT_ITEM')
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1062 if node.dest and not newline:
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1063 self.emit('POP_TOP')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1064
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1065 def visitPrintnl(self, node):
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1066 self.visitPrint(node, newline=1)
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1067 if node.dest:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1068 self.emit('PRINT_NEWLINE_TO')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1069 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1070 self.emit('PRINT_NEWLINE')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1071
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1072 def visitReturn(self, node):
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
1073 self.set_lineno(node)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1074 self.visit(node.value)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1075 self.emit('RETURN_VALUE')
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1076
19923
cb35d0f704de Add code generator for yield stmt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19920
diff changeset
1077 def visitYield(self, node):
cb35d0f704de Add code generator for yield stmt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19920
diff changeset
1078 self.set_lineno(node)
cb35d0f704de Add code generator for yield stmt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19920
diff changeset
1079 self.visit(node.value)
26979
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1080 self.emit('YIELD_VALUE')
19923
cb35d0f704de Add code generator for yield stmt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19920
diff changeset
1081
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1082 # slice and subscript stuff
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1083
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1084 def visitSlice(self, node, aug_flag=None):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1085 # aug_flag is used by visitAugSlice
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1086 self.visit(node.expr)
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1087 slice = 0
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1088 if node.lower:
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1089 self.visit(node.lower)
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1090 slice = slice | 1
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1091 if node.upper:
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1092 self.visit(node.upper)
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1093 slice = slice | 2
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1094 if aug_flag:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1095 if slice == 0:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1096 self.emit('DUP_TOP')
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1097 elif slice == 3:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1098 self.emit('DUP_TOPX', 3)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1099 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1100 self.emit('DUP_TOPX', 2)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1101 if node.flags == 'OP_APPLY':
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1102 self.emit('SLICE+%d' % slice)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1103 elif node.flags == 'OP_ASSIGN':
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1104 self.emit('STORE_SLICE+%d' % slice)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1105 elif node.flags == 'OP_DELETE':
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1106 self.emit('DELETE_SLICE+%d' % slice)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1107 else:
11789
860524182b9c finish first impl of code generator
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11766
diff changeset
1108 print "weird slice", node.flags
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1109 raise
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1110
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1111 def visitSubscript(self, node, aug_flag=None):
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1112 self.visit(node.expr)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1113 for sub in node.subs:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1114 self.visit(sub)
36980
c8ffc913d014 Teach the compiler module about augmented assignment to tuple subscripts
Nick Coghlan <ncoghlan@gmail.com>
parents: 36926
diff changeset
1115 if len(node.subs) > 1:
c8ffc913d014 Teach the compiler module about augmented assignment to tuple subscripts
Nick Coghlan <ncoghlan@gmail.com>
parents: 36926
diff changeset
1116 self.emit('BUILD_TUPLE', len(node.subs))
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1117 if aug_flag:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1118 self.emit('DUP_TOPX', 2)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1119 if node.flags == 'OP_APPLY':
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1120 self.emit('BINARY_SUBSCR')
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1121 elif node.flags == 'OP_ASSIGN':
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1122 self.emit('STORE_SUBSCR')
11808
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1123 elif node.flags == 'OP_DELETE':
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1124 self.emit('DELETE_SUBSCR')
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1125
11927
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1126 # binary ops
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1127
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1128 def binaryOp(self, node, op):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1129 self.visit(node.left)
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1130 self.visit(node.right)
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1131 self.emit(op)
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1132
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1133 def visitAdd(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1134 return self.binaryOp(node, 'BINARY_ADD')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1135
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1136 def visitSub(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1137 return self.binaryOp(node, 'BINARY_SUBTRACT')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1138
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1139 def visitMul(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1140 return self.binaryOp(node, 'BINARY_MULTIPLY')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1141
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1142 def visitDiv(self, node):
19936
6944f5b9de03 support true division
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19923
diff changeset
1143 return self.binaryOp(node, self._div_op)
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1144
19561
81168ef4cb65 Support // and //=
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19534
diff changeset
1145 def visitFloorDiv(self, node):
81168ef4cb65 Support // and //=
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19534
diff changeset
1146 return self.binaryOp(node, 'BINARY_FLOOR_DIVIDE')
81168ef4cb65 Support // and //=
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19534
diff changeset
1147
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1148 def visitMod(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1149 return self.binaryOp(node, 'BINARY_MODULO')
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1150
11761
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1151 def visitPower(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1152 return self.binaryOp(node, 'BINARY_POWER')
11761
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1153
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1154 def visitLeftShift(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1155 return self.binaryOp(node, 'BINARY_LSHIFT')
11761
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1156
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1157 def visitRightShift(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1158 return self.binaryOp(node, 'BINARY_RSHIFT')
11761
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1159
11927
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1160 # unary ops
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1161
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1162 def unaryOp(self, node, op):
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1163 self.visit(node.expr)
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1164 self.emit(op)
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1165
11761
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1166 def visitInvert(self, node):
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1167 return self.unaryOp(node, 'UNARY_INVERT')
62fa8ec8595f looks like everything is working except for try/except (pystone
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11755
diff changeset
1168
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1169 def visitUnarySub(self, node):
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1170 return self.unaryOp(node, 'UNARY_NEGATIVE')
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1171
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1172 def visitUnaryAdd(self, node):
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1173 return self.unaryOp(node, 'UNARY_POSITIVE')
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1174
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1175 def visitUnaryInvert(self, node):
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1176 return self.unaryOp(node, 'UNARY_INVERT')
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1177
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1178 def visitNot(self, node):
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1179 return self.unaryOp(node, 'UNARY_NOT')
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1180
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1181 def visitBackquote(self, node):
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1182 return self.unaryOp(node, 'UNARY_CONVERT')
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1183
11927
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1184 # bit ops
79b6a6a882d9 rename compile.py to pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11808
diff changeset
1185
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1186 def bitOp(self, nodes, op):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1187 self.visit(nodes[0])
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1188 for node in nodes[1:]:
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1189 self.visit(node)
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1190 self.emit(op)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1191
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1192 def visitBitand(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1193 return self.bitOp(node.nodes, 'BINARY_AND')
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1194
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1195 def visitBitor(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1196 return self.bitOp(node.nodes, 'BINARY_OR')
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1197
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1198 def visitBitxor(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1199 return self.bitOp(node.nodes, 'BINARY_XOR')
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1200
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1201 # object constructors
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1202
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1203 def visitEllipsis(self, node):
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1204 self.emit('LOAD_CONST', Ellipsis)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1205
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1206 def visitTuple(self, node):
19567
b98e4346257b Generate SET_LINENO for list and tuple literals when the open paren
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19561
diff changeset
1207 self.set_lineno(node)
11727
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1208 for elt in node.nodes:
1e952d933abb add optional verbose arg to walk function. it overrides the global
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11724
diff changeset
1209 self.visit(elt)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1210 self.emit('BUILD_TUPLE', len(node.nodes))
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1211
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1212 def visitList(self, node):
19567
b98e4346257b Generate SET_LINENO for list and tuple literals when the open paren
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19561
diff changeset
1213 self.set_lineno(node)
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1214 for elt in node.nodes:
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1215 self.visit(elt)
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1216 self.emit('BUILD_LIST', len(node.nodes))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1217
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1218 def visitSliceobj(self, node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1219 for child in node.nodes:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1220 self.visit(child)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1221 self.emit('BUILD_SLICE', len(node.nodes))
11734
6a99ff069457 add ExampleASTVisitor:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11727
diff changeset
1222
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1223 def visitDict(self, node):
26983
2c67169f6e13 Replace all but one explicit emit('SET_LINENO') with call to set_lineno().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26979
diff changeset
1224 self.set_lineno(node)
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1225 self.emit('BUILD_MAP', 0)
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1226 for k, v in node.items:
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1227 self.emit('DUP_TOP')
26670
1312297887a3 Fixing bug
Gustavo Niemeyer <gustavo@niemeyer.net>
parents: 23710
diff changeset
1228 self.visit(k)
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1229 self.visit(v)
26670
1312297887a3 Fixing bug
Gustavo Niemeyer <gustavo@niemeyer.net>
parents: 23710
diff changeset
1230 self.emit('ROT_THREE')
11806
57167731d124 satisfy the tabnanny
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11793
diff changeset
1231 self.emit('STORE_SUBSCR')
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1232
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1233 class NestedScopeMixin:
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1234 """Defines initClass() for nested scoping (Python 2.2-compatible)"""
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1235 def initClass(self):
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1236 self.__class__.NameFinder = LocalNameFinder
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1237 self.__class__.FunctionGen = FunctionCodeGenerator
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1238 self.__class__.ClassGen = ClassCodeGenerator
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1239
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1240 class ModuleCodeGenerator(NestedScopeMixin, CodeGenerator):
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1241 __super_init = CodeGenerator.__init__
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1242
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1243 scopes = None
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1244
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1245 def __init__(self, tree):
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1246 self.graph = pyassem.PyFlowGraph("<module>", tree.filename)
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1247 self.futures = future.find_futures(tree)
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1248 self.__super_init()
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1249 walk(tree, self)
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1250
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1251 def get_module(self):
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1252 return self
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1253
19946
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1254 class ExpressionCodeGenerator(NestedScopeMixin, CodeGenerator):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1255 __super_init = CodeGenerator.__init__
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1256
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1257 scopes = None
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1258 futures = ()
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1259
19946
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1260 def __init__(self, tree):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1261 self.graph = pyassem.PyFlowGraph("<expression>", tree.filename)
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1262 self.__super_init()
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1263 walk(tree, self)
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1264
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1265 def get_module(self):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1266 return self
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1267
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1268 class InteractiveCodeGenerator(NestedScopeMixin, CodeGenerator):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1269
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1270 __super_init = CodeGenerator.__init__
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1271
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1272 scopes = None
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1273 futures = ()
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1274
19946
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1275 def __init__(self, tree):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1276 self.graph = pyassem.PyFlowGraph("<interactive>", tree.filename)
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1277 self.__super_init()
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1278 self.set_lineno(tree)
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1279 walk(tree, self)
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1280 self.emit('RETURN_VALUE')
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1281
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1282 def get_module(self):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1283 return self
21958
5ed782bdbb2a Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 21522
diff changeset
1284
19946
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1285 def visitDiscard(self, node):
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1286 # XXX Discard means it's an expression. Perhaps this is a bad
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1287 # name.
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1288 self.visit(node.expr)
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1289 self.emit('PRINT_EXPR')
41799b70a96c API change:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19943
diff changeset
1290
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1291 class AbstractFunctionCode:
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1292 optimized = 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1293 lambdaCount = 0
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1294
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1295 def __init__(self, func, scopes, isLambda, class_name, mod):
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
1296 self.class_name = class_name
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1297 self.module = mod
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1298 if isLambda:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1299 klass = FunctionCodeGenerator
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1300 name = "<lambda.%d>" % klass.lambdaCount
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1301 klass.lambdaCount = klass.lambdaCount + 1
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1302 else:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1303 name = func.name
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1304
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1305 args, hasTupleArg = generateArgList(func.argnames)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1306 self.graph = pyassem.PyFlowGraph(name, func.filename, args,
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1307 optimized=1)
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1308 self.isLambda = isLambda
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1309 self.super_init()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1310
17410
f967489ee3b6 Generate docstrings.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17346
diff changeset
1311 if not isLambda and func.doc:
f967489ee3b6 Generate docstrings.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17346
diff changeset
1312 self.setDocstring(func.doc)
f967489ee3b6 Generate docstrings.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17346
diff changeset
1313
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1314 lnf = walk(func.code, self.NameFinder(args), verbose=0)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1315 self.locals.push(lnf.getLocals())
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1316 if func.varargs:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1317 self.graph.setFlag(CO_VARARGS)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1318 if func.kwargs:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1319 self.graph.setFlag(CO_VARKEYWORDS)
13864
c58149c0670a replace most calls to emit 'SET_LINENO' will call to method set_lineno
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12563
diff changeset
1320 self.set_lineno(func)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1321 if hasTupleArg:
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1322 self.generateArgUnpack(func.argnames)
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1323
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1324 def get_module(self):
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1325 return self.module
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1326
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1327 def finish(self):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1328 self.graph.startExitBlock()
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1329 if not self.isLambda:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1330 self.emit('LOAD_CONST', None)
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1331 self.emit('RETURN_VALUE')
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1332
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1333 def generateArgUnpack(self, args):
17449
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1334 for i in range(len(args)):
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1335 arg = args[i]
35946
b2eb1589c22b No need for types, use isinstance
Neal Norwitz <nnorwitz@gmail.com>
parents: 33204
diff changeset
1336 if isinstance(arg, tuple):
17449
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1337 self.emit('LOAD_FAST', '.%d' % (i * 2))
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1338 self.unpackSequence(arg)
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1339
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1340 def unpackSequence(self, tup):
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1341 if VERSION > 1:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1342 self.emit('UNPACK_SEQUENCE', len(tup))
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1343 else:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1344 self.emit('UNPACK_TUPLE', len(tup))
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1345 for elt in tup:
35946
b2eb1589c22b No need for types, use isinstance
Neal Norwitz <nnorwitz@gmail.com>
parents: 33204
diff changeset
1346 if isinstance(elt, tuple):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1347 self.unpackSequence(elt)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1348 else:
17438
41a423294cb5 Fix unpackSequence() to use _nameOp() rather than LOAD_FAST
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17437
diff changeset
1349 self._nameOp('STORE', elt)
11705
d10c108d3fd7 checking in initial weekend's work
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1350
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1351 unpackTuple = unpackSequence
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1352
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1353 class FunctionCodeGenerator(NestedScopeMixin, AbstractFunctionCode,
20547
a12ccdbce8da Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 19946
diff changeset
1354 CodeGenerator):
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1355 super_init = CodeGenerator.__init__ # call be other init
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1356 scopes = None
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1357
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1358 __super_init = AbstractFunctionCode.__init__
11710
38c4d61db7ea rapid evolution towards producing real .pyc files (even though I don't
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11705
diff changeset
1359
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1360 def __init__(self, func, scopes, isLambda, class_name, mod):
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1361 self.scopes = scopes
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1362 self.scope = scopes[func]
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1363 self.__super_init(func, scopes, isLambda, class_name, mod)
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1364 self.graph.setFreeVars(self.scope.get_free_vars())
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1365 self.graph.setCellVars(self.scope.get_cell_vars())
26979
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1366 if self.scope.generator is not None:
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1367 self.graph.setFlag(CO_GENERATOR)
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1368
32121
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1369 class GenExprCodeGenerator(NestedScopeMixin, AbstractFunctionCode,
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1370 CodeGenerator):
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1371 super_init = CodeGenerator.__init__ # call be other init
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1372 scopes = None
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1373
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1374 __super_init = AbstractFunctionCode.__init__
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1375
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1376 def __init__(self, gexp, scopes, class_name, mod):
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1377 self.scopes = scopes
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1378 self.scope = scopes[gexp]
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1379 self.__super_init(gexp, scopes, 1, class_name, mod)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1380 self.graph.setFreeVars(self.scope.get_free_vars())
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1381 self.graph.setCellVars(self.scope.get_cell_vars())
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1382 self.graph.setFlag(CO_GENERATOR)
302d399cfd37 SF patch #872326: Generator expression implementation
Raymond Hettinger <python@rcn.com>
parents: 31729
diff changeset
1383
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1384 class AbstractClassCode:
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1385
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1386 def __init__(self, klass, scopes, module):
19522
a0847b7a8902 Handle private names
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19519
diff changeset
1387 self.class_name = klass.name
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1388 self.module = module
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1389 self.graph = pyassem.PyFlowGraph(klass.name, klass.filename,
19561
81168ef4cb65 Support // and //=
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19534
diff changeset
1390 optimized=0, klass=1)
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1391 self.super_init()
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1392 lnf = walk(klass.code, self.NameFinder(), verbose=0)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1393 self.locals.push(lnf.getLocals())
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1394 self.graph.setFlag(CO_NEWLOCALS)
17410
f967489ee3b6 Generate docstrings.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17346
diff changeset
1395 if klass.doc:
f967489ee3b6 Generate docstrings.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17346
diff changeset
1396 self.setDocstring(klass.doc)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1397
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1398 def get_module(self):
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1399 return self.module
17437
02d69a887038 Inside a class scope always use LOAD_NAME, STORE_NAME, DEL_NAME
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17436
diff changeset
1400
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1401 def finish(self):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1402 self.graph.startExitBlock()
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1403 self.emit('LOAD_LOCALS')
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1404 self.emit('RETURN_VALUE')
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1405
19920
63930159ca3c Various sundry changes for 2.2 compatibility
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19619
diff changeset
1406 class ClassCodeGenerator(NestedScopeMixin, AbstractClassCode, CodeGenerator):
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1407 super_init = CodeGenerator.__init__
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1408 scopes = None
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1409
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1410 __super_init = AbstractClassCode.__init__
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1411
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1412 def __init__(self, klass, scopes, module):
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1413 self.scopes = scopes
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1414 self.scope = scopes[klass]
19939
aaca4d3cf62b Handle more syntax errors.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19936
diff changeset
1415 self.__super_init(klass, scopes, module)
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1416 self.graph.setFreeVars(self.scope.get_free_vars())
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1417 self.graph.setCellVars(self.scope.get_cell_vars())
26979
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1418 self.set_lineno(klass)
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1419 self.emit("LOAD_GLOBAL", "__name__")
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1420 self.storeName("__module__")
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1421 if klass.doc:
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1422 self.emit("LOAD_CONST", klass.doc)
784e7fdf8c52 SF patch [ 597919 ] compiler package and SET_LINENO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 26670
diff changeset
1423 self.storeName('__doc__')
17436
98f69245bb69 Preliminary support for nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17413
diff changeset
1424
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1425 def generateArgList(arglist):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1426 """Generate an arg list marking TupleArgs"""
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1427 args = []
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1428 extra = []
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1429 count = 0
17449
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1430 for i in range(len(arglist)):
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1431 elt = arglist[i]
35946
b2eb1589c22b No need for types, use isinstance
Neal Norwitz <nnorwitz@gmail.com>
parents: 33204
diff changeset
1432 if isinstance(elt, str):
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1433 args.append(elt)
35946
b2eb1589c22b No need for types, use isinstance
Neal Norwitz <nnorwitz@gmail.com>
parents: 33204
diff changeset
1434 elif isinstance(elt, tuple):
17449
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1435 args.append(TupleArg(i * 2, elt))
51c8ce1a2e25 Revise handling of tuple arguments so that the variables names match
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17438
diff changeset
1436 extra.extend(misc.flatten(elt))
13941
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1437 count = count + 1
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1438 else:
d56dd1530ce1 Bring Tools/compiler almost up to date. Specifically:
Thomas Wouters <thomas@python.org>
parents: 13864
diff changeset
1439 raise ValueError, "unexpect argument type:", elt
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1440 return args + extra, count
11755
57fb3501ab22 split compile.py into two files
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11754
diff changeset
1441
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1442 def findOp(node):
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1443 """Find the op (DELETE, LOAD, STORE) in an AssTuple tree"""
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1444 v = OpFinder()
19518
fbb35268fed4 Many changes -- bug fixes and sundry improvements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17460
diff changeset
1445 walk(node, v, verbose=0)
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1446 return v.op
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1447
11808
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1448 class OpFinder:
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1449 def __init__(self):
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1450 self.op = None
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1451 def visitAssName(self, node):
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1452 if self.op is None:
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1453 self.op = node.flags
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1454 elif self.op != node.flags:
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1455 raise ValueError, "mixed ops in stmt"
17454
d91577783335 Add support for visitAssAttr to findOp().
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17453
diff changeset
1456 visitAssAttr = visitAssName
20925
ee1437f5de03 Fix SF bug #479186: compiler generates bad code for "del"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20547
diff changeset
1457 visitSubscript = visitAssName
11808
cf8fa92ebf3d the previous quick hack to fix def foo((x,y)) failed on some cases
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11806
diff changeset
1458
15205
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1459 class Delegator:
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1460 """Base class to support delegation for augmented assignment nodes
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1461
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1462 To generator code for augmented assignments, we use the following
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1463 wrapper classes. In visitAugAssign, the left-hand expression node
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1464 is visited twice. The first time the visit uses the normal method
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1465 for that node . The second time the visit uses a different method
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1466 that generates the appropriate code to perform the assignment.
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1467 These delegator classes wrap the original AST nodes in order to
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1468 support the variant visit methods.
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1469 """
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1470 def __init__(self, obj):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1471 self.obj = obj
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1472
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1473 def __getattr__(self, attr):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1474 return getattr(self.obj, attr)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1475
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1476 class AugGetattr(Delegator):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1477 pass
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1478
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1479 class AugName(Delegator):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1480 pass
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1481
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1482 class AugSlice(Delegator):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1483 pass
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1484
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1485 class AugSubscript(Delegator):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1486 pass
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1487
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1488 wrapper = {
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1489 ast.Getattr: AugGetattr,
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1490 ast.Name: AugName,
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1491 ast.Slice: AugSlice,
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1492 ast.Subscript: AugSubscript,
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1493 }
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1494
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1495 def wrap_aug(node):
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1496 return wrapper[node.__class__](node)
04e76e08e10f Now supports entire Python 2.0 language and still supports Python
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15185
diff changeset
1497
12009
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1498 if __name__ == "__main__":
127f70f59b02 complete rewrite
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11927
diff changeset
1499 for file in sys.argv[1:]:
21059
e76306eea370 Fix [ #484645 ] little bug in pycodegen.py
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20925
diff changeset
1500 compileFile(file)