Mercurial > cpython-lru_cache-weakref

annotate Modules/cgen.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents f0a47091c8d8
children
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rev   line source
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1 ########################################################################
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2 # Copyright (c) 2000, BeOpen.com.
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3 # Copyright (c) 1995-2000, Corporation for National Research Initiatives.
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4 # Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
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5 # All rights reserved.
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6 #
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7 # See the file "Misc/COPYRIGHT" for information on usage and
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8 # redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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9 ########################################################################
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10
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11 # Python script to parse cstubs file for gl and generate C stubs.
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12 # usage: python cgen.py <cstubs >glmodule.c
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13 #
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14 # NOTE: You must first make a python binary without the "GL" option
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15 # before you can run this, when building Python for the first time.
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16 # See comments in the Makefile.
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17 #
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18 # XXX BUG return arrays generate wrong code
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19 # XXX need to change error returns into gotos to free mallocked arrays
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20 from warnings import warnpy3k
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21 warnpy3k("the cgen module has been removed in Python 3.0", stacklevel=2)
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22 del warnpy3k
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23
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24
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25 import string
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26 import sys
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27
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28
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29 # Function to print to stderr
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30 #
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31 def err(*args):
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32 savestdout = sys.stdout
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33 try:
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34 sys.stdout = sys.stderr
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35 for i in args:
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36 print i,
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37 print
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38 finally:
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39 sys.stdout = savestdout
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41
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42 # The set of digits that form a number
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43 #
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44 digits = '0123456789'
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45
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46
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47 # Function to extract a string of digits from the front of the string.
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48 # Returns the leading string of digits and the remaining string.
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49 # If no number is found, returns '' and the original string.
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50 #
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51 def getnum(s):
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52 n = ''
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53 while s and s[0] in digits:
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54 n = n + s[0]
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55 s = s[1:]
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56 return n, s
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57
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58
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59 # Function to check if a string is a number
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60 #
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61 def isnum(s):
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62 if not s: return False
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63 for c in s:
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64 if not c in digits: return False
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65 return True
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66
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67
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68 # Allowed function return types
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69 #
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70 return_types = ['void', 'short', 'long']
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71
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72
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73 # Allowed function argument types
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74 #
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75 arg_types = ['char', 'string', 'short', 'u_short', 'float', 'long', 'double']
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77
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78 # Need to classify arguments as follows
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79 # simple input variable
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80 # simple output variable
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81 # input array
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82 # output array
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83 # input giving size of some array
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84 #
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85 # Array dimensions can be specified as follows
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86 # constant
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87 # argN
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88 # constant * argN
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89 # retval
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90 # constant * retval
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91 #
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92 # The dimensions given as constants * something are really
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93 # arrays of points where points are 2- 3- or 4-tuples
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94 #
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95 # We have to consider three lists:
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96 # python input arguments
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97 # C stub arguments (in & out)
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98 # python output arguments (really return values)
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99 #
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100 # There is a mapping from python input arguments to the input arguments
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101 # of the C stub, and a further mapping from C stub arguments to the
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102 # python return values
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103
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104
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105 # Exception raised by checkarg() and generate()
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106 #
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107 arg_error = 'bad arg'
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108
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109
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110 # Function to check one argument.
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111 # Arguments: the type and the arg "name" (really mode plus subscript).
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112 # Raises arg_error if something's wrong.
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113 # Return type, mode, factor, rest of subscript; factor and rest may be empty.
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114 #
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115 def checkarg(type, arg):
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116 #
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117 # Turn "char *x" into "string x".
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118 #
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119 if type == 'char' and arg[0] == '*':
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120 type = 'string'
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121 arg = arg[1:]
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122 #
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123 # Check that the type is supported.
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124 #
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125 if type not in arg_types:
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126 raise arg_error, ('bad type', type)
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127 if type[:2] == 'u_':
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128 type = 'unsigned ' + type[2:]
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129 #
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130 # Split it in the mode (first character) and the rest.
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131 #
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132 mode, rest = arg[:1], arg[1:]
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133 #
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134 # The mode must be 's' for send (= input) or 'r' for return argument.
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135 #
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136 if mode not in ('r', 's'):
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137 raise arg_error, ('bad arg mode', mode)
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138 #
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139 # Is it a simple argument: if so, we are done.
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140 #
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141 if not rest:
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142 return type, mode, '', ''
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143 #
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144 # Not a simple argument; must be an array.
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145 # The 'rest' must be a subscript enclosed in [ and ].
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146 # The subscript must be one of the following forms,
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147 # otherwise we don't handle it (where N is a number):
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148 # N
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149 # argN
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150 # retval
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151 # N*argN
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152 # N*retval
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153 #
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154 if rest[:1] <> '[' or rest[-1:] <> ']':
c3a096bfbd6b Whitespace normalization, via reindent.py.
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diff changeset
155 raise arg_error, ('subscript expected', rest)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
156 sub = rest[1:-1]
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Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
157 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
158 # Is there a leading number?
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Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
159 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
160 num, sub = getnum(sub)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
161 if num:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
162 # There is a leading number
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
163 if not sub:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
164 # The subscript is just a number
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
165 return type, mode, num, ''
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
166 if sub[:1] == '*':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
167 # There is a factor prefix
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
168 sub = sub[1:]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
169 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
170 raise arg_error, ('\'*\' expected', sub)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
171 if sub == 'retval':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
172 # size is retval -- must be a reply argument
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
173 if mode <> 'r':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
174 raise arg_error, ('non-r mode with [retval]', mode)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
175 elif not isnum(sub) and (sub[:3] <> 'arg' or not isnum(sub[3:])):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
176 raise arg_error, ('bad subscript', sub)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
177 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
178 return type, mode, num, sub
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
179
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
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180
fc6fcd7df4f7 Initial revision
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parents:
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181 # List of functions for which we have generated stubs
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
182 #
fc6fcd7df4f7 Initial revision
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parents:
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183 functions = []
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
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184
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
185
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
186 # Generate the stub for the given function, using the database of argument
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
187 # information build by successive calls to checkarg()
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
188 #
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 def generate(type, func, database):
32736
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Tim Peters <tim.peters@gmail.com>
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190 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
191 # Check that we can handle this case:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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192 # no variable size reply arrays yet
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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193 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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194 n_in_args = 0
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
195 n_out_args = 0
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
196 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
197 for a_type, a_mode, a_factor, a_sub in database:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
198 if a_mode == 's':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
199 n_in_args = n_in_args + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
200 elif a_mode == 'r':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
201 n_out_args = n_out_args + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
202 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
203 # Can't happen
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
204 raise arg_error, ('bad a_mode', a_mode)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
205 if (a_mode == 'r' and a_sub) or a_sub == 'retval':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
206 err('Function', func, 'too complicated:',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
207 a_type, a_mode, a_factor, a_sub)
c3a096bfbd6b Whitespace normalization, via reindent.py.
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diff changeset
208 print '/* XXX Too complicated to generate code for */'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
209 return
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
210 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
211 functions.append(func)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
212 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
213 # Stub header
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
214 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
215 print
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
216 print 'static PyObject *'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
217 print 'gl_' + func + '(self, args)'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
218 print '\tPyObject *self;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
219 print '\tPyObject *args;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
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diff changeset
220 print '{'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
221 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
222 # Declare return value if any
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
223 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
224 if type <> 'void':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
225 print '\t' + type, 'retval;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
226 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
227 # Declare arguments
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
228 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
229 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
230 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
231 print '\t' + a_type,
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
232 brac = ket = ''
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
233 if a_sub and not isnum(a_sub):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
234 if a_factor:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
235 brac = '('
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
236 ket = ')'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
237 print brac + '*',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
238 print 'arg' + repr(i+1) + ket,
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
239 if a_sub and isnum(a_sub):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
240 print '[', a_sub, ']',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
241 if a_factor:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
242 print '[', a_factor, ']',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
243 print ';'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
244 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
245 # Find input arguments derived from array sizes
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
246 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
247 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
248 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
249 if a_mode == 's' and a_sub[:3] == 'arg' and isnum(a_sub[3:]):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
250 # Sending a variable-length array
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
251 n = eval(a_sub[3:])
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
252 if 1 <= n <= len(database):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
253 b_type, b_mode, b_factor, b_sub = database[n-1]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
254 if b_mode == 's':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
255 database[n-1] = b_type, 'i', a_factor, repr(i)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
256 n_in_args = n_in_args - 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
257 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
258 # Assign argument positions in the Python argument list
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
259 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
260 in_pos = []
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
261 i_in = 0
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
262 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
263 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
264 if a_mode == 's':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
265 in_pos.append(i_in)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
266 i_in = i_in + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
267 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
268 in_pos.append(-1)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
269 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
270 # Get input arguments
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
271 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
272 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
273 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
274 if a_type[:9] == 'unsigned ':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
275 xtype = a_type[9:]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
276 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
277 xtype = a_type
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
278 if a_mode == 'i':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
279 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
280 # Implicit argument;
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
281 # a_factor is divisor if present,
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
282 # a_sub indicates which arg (`database index`)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
283 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
284 j = eval(a_sub)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
285 print '\tif',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
286 print '(!geti' + xtype + 'arraysize(args,',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
287 print repr(n_in_args) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
288 print repr(in_pos[j]) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
289 if xtype <> a_type:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
290 print '('+xtype+' *)',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
291 print '&arg' + repr(i+1) + '))'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
292 print '\t\treturn NULL;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
293 if a_factor:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
294 print '\targ' + repr(i+1),
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
295 print '= arg' + repr(i+1),
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
296 print '/', a_factor + ';'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
297 elif a_mode == 's':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
298 if a_sub and not isnum(a_sub):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
299 # Allocate memory for varsize array
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
300 print '\tif ((arg' + repr(i+1), '=',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
301 if a_factor:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
302 print '('+a_type+'(*)['+a_factor+'])',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
303 print 'PyMem_NEW(' + a_type, ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
304 if a_factor:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
305 print a_factor, '*',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
306 print a_sub, ')) == NULL)'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
307 print '\t\treturn PyErr_NoMemory();'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
308 print '\tif',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
309 if a_factor or a_sub: # Get a fixed-size array array
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
310 print '(!geti' + xtype + 'array(args,',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
311 print repr(n_in_args) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
312 print repr(in_pos[i]) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
313 if a_factor: print a_factor,
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
314 if a_factor and a_sub: print '*',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
315 if a_sub: print a_sub,
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
316 print ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
317 if (a_sub and a_factor) or xtype <> a_type:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
318 print '('+xtype+' *)',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
319 print 'arg' + repr(i+1) + '))'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
320 else: # Get a simple variable
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
321 print '(!geti' + xtype + 'arg(args,',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
322 print repr(n_in_args) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
323 print repr(in_pos[i]) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
324 if xtype <> a_type:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
325 print '('+xtype+' *)',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
326 print '&arg' + repr(i+1) + '))'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
327 print '\t\treturn NULL;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
328 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
329 # Begin of function call
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
330 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
331 if type <> 'void':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
332 print '\tretval =', func + '(',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
333 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
334 print '\t' + func + '(',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
335 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
336 # Argument list
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
337 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
338 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
339 if i > 0: print ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
340 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
341 if a_mode == 'r' and not a_factor:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
342 print '&',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
343 print 'arg' + repr(i+1),
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
344 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
345 # End of function call
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
346 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
347 print ');'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
348 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
349 # Free varsize arrays
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
350 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
351 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
352 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
353 if a_mode == 's' and a_sub and not isnum(a_sub):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
354 print '\tPyMem_DEL(arg' + repr(i+1) + ');'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
355 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
356 # Return
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
357 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
358 if n_out_args:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
359 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
360 # Multiple return values -- construct a tuple
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
361 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
362 if type <> 'void':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
363 n_out_args = n_out_args + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
364 if n_out_args == 1:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
365 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
366 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
367 if a_mode == 'r':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
368 break
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
369 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
370 raise arg_error, 'expected r arg not found'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
371 print '\treturn',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
372 print mkobject(a_type, 'arg' + repr(i+1)) + ';'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
373 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
374 print '\t{ PyObject *v = PyTuple_New(',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
375 print n_out_args, ');'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
376 print '\t if (v == NULL) return NULL;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
377 i_out = 0
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
378 if type <> 'void':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
379 print '\t PyTuple_SetItem(v,',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
380 print repr(i_out) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
381 print mkobject(type, 'retval') + ');'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
382 i_out = i_out + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
383 for i in range(len(database)):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
384 a_type, a_mode, a_factor, a_sub = database[i]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
385 if a_mode == 'r':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
386 print '\t PyTuple_SetItem(v,',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
387 print repr(i_out) + ',',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
388 s = mkobject(a_type, 'arg' + repr(i+1))
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
389 print s + ');'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
390 i_out = i_out + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
391 print '\t return v;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
392 print '\t}'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
393 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
394 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
395 # Simple function return
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
396 # Return None or return value
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
397 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
398 if type == 'void':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
399 print '\tPy_INCREF(Py_None);'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
400 print '\treturn Py_None;'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
401 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
402 print '\treturn', mkobject(type, 'retval') + ';'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
403 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
404 # Stub body closing brace
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
405 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
406 print '}'
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
407
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
408
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
409 # Subroutine to return a function call to mknew<type>object(<arg>)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
410 #
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
411 def mkobject(type, arg):
32736
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
412 if type[:9] == 'unsigned ':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
413 type = type[9:]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
414 return 'mknew' + type + 'object((' + type + ') ' + arg + ')'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
415 return 'mknew' + type + 'object(' + arg + ')'
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
416
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
417
1443
2ec08a9d0325 rgbimgmodule.c, Makefile, config.c: new module to read RGB image files.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1048
diff changeset
418 defined_archs = []
2ec08a9d0325 rgbimgmodule.c, Makefile, config.c: new module to read RGB image files.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1048
diff changeset
419
2ec08a9d0325 rgbimgmodule.c, Makefile, config.c: new module to read RGB image files.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1048
diff changeset
420 # usage: cgen [ -Dmach ... ] [ file ]
2ec08a9d0325 rgbimgmodule.c, Makefile, config.c: new module to read RGB image files.
Sjoerd Mullender <sjoerd@acm.org>
parents: 1048
diff changeset
421 for arg in sys.argv[1:]:
32736
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
422 if arg[:2] == '-D':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
423 defined_archs.append(arg[2:])
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
424 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
425 # Open optional file argument
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
426 sys.stdin = open(arg, 'r')
1048
c1ebfde341a3 Makefile uses $> more often; cgen supports filename argument; added
Guido van Rossum <guido@python.org>
parents: 975
diff changeset
427
c1ebfde341a3 Makefile uses $> more often; cgen supports filename argument; added
Guido van Rossum <guido@python.org>
parents: 975
diff changeset
428
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 # Input line number
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
430 lno = 0
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
431
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
432
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
433 # Input is divided in two parts, separated by a line containing '%%'.
32736
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
434 # <part1> -- literally copied to stdout
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
435 # <part2> -- stub definitions
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
436
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
437 # Variable indicating the current input part.
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
438 #
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
439 part = 1
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
440
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
441 # Main loop over the input
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
442 #
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
443 while 1:
32736
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
444 try:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
445 line = raw_input()
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
446 except EOFError:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
447 break
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
448 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
449 lno = lno+1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
450 words = string.split(line)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
451 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
452 if part == 1:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
453 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
454 # In part 1, copy everything literally
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
455 # except look for a line of just '%%'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
456 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
457 if words == ['%%']:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
458 part = part + 1
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
459 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
460 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
461 # Look for names of manually written
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
462 # stubs: a single percent followed by the name
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
463 # of the function in Python.
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
464 # The stub name is derived by prefixing 'gl_'.
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
465 #
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
466 if words and words[0][0] == '%':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
467 func = words[0][1:]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
468 if (not func) and words[1:]:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
469 func = words[1]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
470 if func:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
471 functions.append(func)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
472 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
473 print line
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
474 continue
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
475 if not words:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
476 continue # skip empty line
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
477 elif words[0] == 'if':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
478 # if XXX rest
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
479 # if !XXX rest
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
480 if words[1][0] == '!':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
481 if words[1][1:] in defined_archs:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
482 continue
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
483 elif words[1] not in defined_archs:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
484 continue
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
485 words = words[2:]
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
486 if words[0] == '#include':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
487 print line
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
488 elif words[0][:1] == '#':
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
489 pass # ignore comment
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
490 elif words[0] not in return_types:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
491 err('Line', lno, ': bad return type :', words[0])
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
492 elif len(words) < 2:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
493 err('Line', lno, ': no funcname :', line)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
494 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
495 if len(words) % 2 <> 0:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
496 err('Line', lno, ': odd argument list :', words[2:])
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
497 else:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
498 database = []
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
499 try:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
500 for i in range(2, len(words), 2):
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
501 x = checkarg(words[i], words[i+1])
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
502 database.append(x)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
503 print
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
504 print '/*',
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
505 for w in words: print w,
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
506 print '*/'
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
507 generate(words[0], words[1], database)
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
508 except arg_error, msg:
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
509 err('Line', lno, ':', msg)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
510
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
511
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
512 print
5353
d40cd910d684 Quickly renamed.
Guido van Rossum <guido@python.org>
parents: 4625
diff changeset
513 print 'static struct PyMethodDef gl_methods[] = {'
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
514 for func in functions:
32736
c3a096bfbd6b Whitespace normalization, via reindent.py.
Tim Peters <tim.peters@gmail.com>
parents: 31515
diff changeset
515 print '\t{"' + func + '", gl_' + func + '},'
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
516 print '\t{NULL, NULL} /* Sentinel */'
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
517 print '};'
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
518 print
4625
202602faefc7 Added `void' to declaration of initgl(), to keep gcc -Wall happy.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
519 print 'void'
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
520 print 'initgl()'
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
521 print '{'
5380
2d4c6cba01bf Keep gcc -Wall happy.
Guido van Rossum <guido@python.org>
parents: 5353
diff changeset
522 print '\t(void) Py_InitModule("gl", gl_methods);'
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
523 print '}'