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Diffstat (limited to 'src/mesa/glapi/apiparser.py')
| -rw-r--r-- | src/mesa/glapi/apiparser.py | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/mesa/glapi/apiparser.py b/src/mesa/glapi/apiparser.py new file mode 100644 index 00000000000..0c14ab99899 --- /dev/null +++ b/src/mesa/glapi/apiparser.py @@ -0,0 +1,154 @@ +#!/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 |