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#!/usr/bin/env python
# $Id: gloffsets.py,v 1.4 2000/05/11 17:45:20 brianp Exp $
# Mesa 3-D graphics library
# Version: 3.3
#
# Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# Generate the glapioffsets.h file.
#
# Usage:
# gloffsets.py >glapioffsets.h
#
# Dependencies:
# The gl.spec file from the SI must be in the current directory.
#
# Brian Paul 3 February 2000
import string
import re
def PrintHead():
print '/* DO NOT EDIT - This file generated automatically by gloffsets.py script */'
print '#ifndef _GLAPI_OFFSETS_H_'
print '#define _GLAPI_OFFSETS_H_'
print ''
return
#endif
def PrintTail():
print ''
print '#endif'
#endif
def GenerateDefine(name, offset):
s = '#define _gloffset_' + name + ' ' + str(offset)
return s;
#enddef
def PrintDefines():
functionPattern = re.compile('^[a-zA-Z0-9]+\(')
functionNamePattern = re.compile('^[a-zA-Z0-9]+')
funcName = ''
maxOffset = 0
offsetInfo = { }
f = open('gl.spec')
for line in f.readlines():
m = functionPattern.match(line)
if m:
# extract funcName
n = functionNamePattern.findall(line)
funcName = n[0]
m = string.split(line)
if len(m) > 1:
if m[0] == 'param':
paramName = m[1]
if m[0] == 'offset':
if m[1] == '?':
#print 'WARNING skipping', funcName
noop = 0
else:
funcOffset = int(m[1])
if funcOffset > maxOffset:
maxOffset = funcOffset
s = GenerateDefine(funcName, funcOffset)
if offsetInfo.has_key(funcOffset):
print 'ERROR: offset', funcOffset, 'already used!'
raise ERROR
else:
offsetInfo[funcOffset] = s;
#endif
#endif
#endif
#endif
#endfor
# Now print the #defines in order of dispatch offset
for i in range(0, maxOffset + 1):
if offsetInfo.has_key(i):
print offsetInfo[i]
else:
print 'ERROR: missing offset:', i
raise ERROR
#enddef
PrintHead()
PrintDefines()
PrintTail()
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