#! /ufs/guido/bin/sgi/python #! /usr/local/python # Read #define's from stdin and translate to Python code on stdout. # Very primitive: non-#define's are ignored, no check for valid Python # syntax is made -- you will have to edit the output in most cases. # XXX To do: # - accept filename arguments # - turn trailing C comments into Python comments # - turn C string quotes into Python comments # - turn C Boolean operators "&& || !" into Python "and or not" # - what to do about #if(def)? # - what to do about macros with parameters? # - reject definitions with semicolons in them import sys, regex, string p_define = regex.compile('^#[\t ]*define[\t ]+\([a-zA-Z0-9_]+\)[\t ]+') p_comment = regex.compile('/\*\([^*]+\|\*+[^/]\)*\*+/') def main(): process(sys.stdin) def process(fp): lineno = 0 while 1: line = fp.readline() if not line: break lineno = lineno + 1 if p_define.match(line) >= 0: # gobble up continuation lines while line[-2:] == '\\\n': nextline = fp.readline() if not nextline: break lineno = lineno + 1 line = line + nextline regs = p_define.regs a, b = regs[1] # where the macro name is name = line[a:b] a, b = regs[0] # the whole match body = line[b:] # replace comments by spaces while p_comment.search(body) >= 0: a, b = p_comment.regs[0] body = body[:a] + ' ' + body[b:] print name, '=', string.strip(body) main()