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#!/usr/bin/env python
# $Id: apiparser.py,v 1.1 2001/11/18 22:42:57 brianp Exp $
# Mesa 3-D graphics library
# Version: 4.1
#
# Copyright (C) 1999-2001 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.
# These helper functions are used by the other Mesa Python scripts.
# The main function is ProcessSpecFile(spedFile, function) which parses
# the named spec file and calls function() for each entry in the spec file.
import string
# Given parallel arrays of types and names, make a C-style parameter string
def MakeArgList(typeList, nameList):
result = ''
i = 1
n = len(typeList)
for typ in typeList:
result = result + typ + ' ' + nameList[i - 1]
if i < n:
result = result + ', '
i = i + 1
#endfor
if result == '':
result = 'void'
#endif
return result
#enddef
prevCatagory = ''
#
# Example callback function for ProcessSpecFile()
#
def PrintRecord(name, returnType, argTypeList, argNameList, alias, offset):
argList = MakeArgList(argTypeList, argNameList)
if category != prevCategory or prevCategory == '':
print '\n/* %s */' % category
prevCategory = category
#endif
print '%s gl%s(%s); /* %d */' % (returnType, name, argList, offset)
#endfor
#
# Process the api spec file
#
def ProcessSpecFile(specFile, userFunc):
# init some vars
prevCategory = ''
funcName = ''
returnType = ''
argTypeList = [ ]
argNameList = [ ]
maxOffset = 0
table = { }
offset = -1
alias = ''
f = open(specFile)
for line in f.readlines():
# split line into tokens
tokens = string.split(line)
if len(tokens) > 0 and line[0] != '#':
if tokens[0] == 'name':
if funcName != '':
# Verify entry has offset or alias
pnts = 0
if offset == -2:
pnts = pnts + 1
if offset >= 0:
pnts = pnts + 1
if alias != '':
pnts = pnts + 1
if pnts != 1:
print 'XXXXXXXXXX bad entry for %s' % funcName
# process the function now
userFunc (funcName, returnType, argTypeList, argNameList, alias, offset)
# reset the lists
argTypeList = [ ]
argNameList = [ ]
returnType = ''
offset = -1
alias = ''
funcName = tokens[1]
elif tokens[0] == 'return':
returnType = tokens[1]
if len(tokens) > 2:
returnType = returnType + ' ' + tokens[2]
if len(tokens) > 3:
returnType = returnType + ' ' + tokens[3]
elif tokens[0] == 'param':
argNameList.append(tokens[1])
type = tokens[2]
if len(tokens) > 3:
type = type + ' ' + tokens[3]
if len(tokens) > 4:
type = type + ' ' + tokens[4]
argTypeList.append(type)
elif tokens[0] == 'category':
category = tokens[1]
elif tokens[0] == 'offset':
if tokens[1] == '?':
offset = -2
else:
offset = int(tokens[1])
if offset > maxOffset:
maxOffset = offset
# else:
# print 'Unassigned offset for %s' % funcName
elif tokens[0] == 'alias':
alias = tokens[1]
else:
print 'Invalid token %s after function %s' % (tokens[0], funcName)
#endif
#endif
#endfor
#enddef
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