src/mesa/glapi/glprocs.py

   1 #!/usr/bin/env python
   2
   3 # $Id: glprocs.py,v 1.1 2001/11/18 22:42:57 brianp Exp $
   4
   5 # Mesa 3-D graphics library
   6 # Version:  4.1
   7 #
   8 # Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   9 #
  10 # Permission is hereby granted, free of charge, to any person obtaining a
  11 # copy of this software and associated documentation files (the "Software"),
  12 # to deal in the Software without restriction, including without limitation
  13 # the rights to use, copy, modify, merge, publish, distribute, sublicense,
  14 # and/or sell copies of the Software, and to permit persons to whom the
  15 # Software is furnished to do so, subject to the following conditions:
  16 #
  17 # The above copyright notice and this permission notice shall be included
  18 # in all copies or substantial portions of the Software.
  19 #
  20 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23 # BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  24 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  25 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26
  27
  28 # Generate the glprocs.h file.
  29 #
  30 # Usage:
  31 #    gloffsets.py >glprocs.h
  32 #
  33 # Dependencies:
  34 #    The apispec file must be in the current directory.
  35
  36
  37
  38 import apiparser
  39 import string
  40
  41
  42 def PrintHead():
  43         print '/* DO NOT EDIT - This file generated automatically by glprocs.py script */'
  44         print ''
  45         print '/* This file is only included by glapi.c and is used for'
  46         print ' * the GetProcAddress() function'
  47         print ' */'
  48         print ''
  49         print 'static struct name_address_offset static_functions[] = {'
  50         return
  51 #enddef
  52
  53
  54 def PrintTail():
  55         print '   { NULL, NULL }  /* end of list marker */'
  56         print '};'
  57 #enddef
  58
  59
  60 records = []
  61
  62 def FindOffset(funcName):
  63         for (name, alias, offset) in records:
  64                 if name == funcName:
  65                         return offset
  66                 #endif
  67         #endfor
  68         return -1
  69 #enddef
  70
  71
  72 def EmitEntry(name, returnType, argTypeList, argNameList, alias, offset):
  73         if alias == '':
  74                 dispatchName = name
  75         else:
  76                 dispatchName = alias
  77         if offset < 0:
  78                 offset = FindOffset(dispatchName)
  79         if offset >= 0 and string.find(name, "unused") == -1:
  80                 print '   { "gl%s", (GLvoid *) gl%s, _gloffset_%s },' % (name, name, dispatchName)
  81                 # save this info in case we need to look up an alias later
  82                 records.append((name, dispatchName, offset))
  83
  84 #enddef
  85
  86
  87 PrintHead()
  88 apiparser.ProcessSpecFile("APIspec", EmitEntry)
  89 PrintTail()