# Copyright (c) 2001, Stanford University # All rights reserved. # # See the file LICENSE.txt for information on redistributing this software. # This script generates include/cr_opcodes.h from the gl_header.parsed file. import sys; import cPickle; import string; import re; import apiutil apiutil.CopyrightC() print "" print "/* DO NOT EDIT - THIS FILE GENERATED BY THE opcodes.py SCRIPT */" print "" print "#ifndef CR_OPCODES_H" print "#define CR_OPCODES_H" print "" keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt") assert len(keys) > 0 print "/* Functions with no return value and input-only parameters */" print "typedef enum {" enum_index = 0 for func in keys: if "pack" in apiutil.ChromiumProps(func): print "\t%s = %d," % ( apiutil.OpcodeName(func), enum_index ) enum_index = enum_index + 1 if enum_index > 255: # This would have saved Mike some grief if it had been here earlier. print >> sys.stderr, "You have more than 255 opcodes! You've been adding functions to" print >> sys.stderr, "glapi_parser/APIspec! Each new function you add" print >> sys.stderr, "gets an opcode assigned to it. Fortunately for you, we have" print >> sys.stderr, "an ``extend'' opcode. Please mark the function as" print >> sys.stderr, "'extpack' in APIspec so as to keep the main opcode pool" print >> sys.stderr, "less than 255! THIS IS A CATASTROPHIC FAILURE, and I WILL NOT CONTINUE!" print >> sys.stderr, "I'm putting an error in the generated header file so you won't miss" print >> sys.stderr, "this even if you're doing a 'make -k.'" print "#error -- more than 255 opcodes!" sys.exit(-1) print "\tCR_EXTEND_OPCODE=%d" % enum_index print "} CROpcode;\n" # count up number of extended opcode commands num_extends = 0 for func in keys: if "extpack" in apiutil.ChromiumProps(func): num_extends += 1 print "/* Functions with a return value or output parameters */" print "typedef enum {" enum_index = 0 for func in keys: if "extpack" in apiutil.ChromiumProps(func): opcodeName = apiutil.ExtendedOpcodeName(func) if enum_index != num_extends-1: print "\t%s = %d," % (opcodeName, enum_index ) else: print "\t%s = %d" % (opcodeName, enum_index ) enum_index = enum_index + 1 print "} CRExtendOpcode;\n" print "#endif /* CR_OPCODES_H */"