diff options
Diffstat (limited to 'sys/src/cmd/python/Tools/scripts/fixcid.py')
| -rwxr-xr-x | sys/src/cmd/python/Tools/scripts/fixcid.py | 314 |
1 files changed, 0 insertions, 314 deletions
diff --git a/sys/src/cmd/python/Tools/scripts/fixcid.py b/sys/src/cmd/python/Tools/scripts/fixcid.py deleted file mode 100755 index 433a4254e..000000000 --- a/sys/src/cmd/python/Tools/scripts/fixcid.py +++ /dev/null @@ -1,314 +0,0 @@ -#! /usr/bin/env python - -# Perform massive identifier substitution on C source files. -# This actually tokenizes the files (to some extent) so it can -# avoid making substitutions inside strings or comments. -# Inside strings, substitutions are never made; inside comments, -# it is a user option (off by default). -# -# The substitutions are read from one or more files whose lines, -# when not empty, after stripping comments starting with #, -# must contain exactly two words separated by whitespace: the -# old identifier and its replacement. -# -# The option -r reverses the sense of the substitutions (this may be -# useful to undo a particular substitution). -# -# If the old identifier is prefixed with a '*' (with no intervening -# whitespace), then it will not be substituted inside comments. -# -# Command line arguments are files or directories to be processed. -# Directories are searched recursively for files whose name looks -# like a C file (ends in .h or .c). The special filename '-' means -# operate in filter mode: read stdin, write stdout. -# -# Symbolic links are always ignored (except as explicit directory -# arguments). -# -# The original files are kept as back-up with a "~" suffix. -# -# Changes made are reported to stdout in a diff-like format. -# -# NB: by changing only the function fixline() you can turn this -# into a program for different changes to C source files; by -# changing the function wanted() you can make a different selection of -# files. - -import sys -import re -import os -from stat import * -import getopt - -err = sys.stderr.write -dbg = err -rep = sys.stdout.write - -def usage(): - progname = sys.argv[0] - err('Usage: ' + progname + - ' [-c] [-r] [-s file] ... file-or-directory ...\n') - err('\n') - err('-c : substitute inside comments\n') - err('-r : reverse direction for following -s options\n') - err('-s substfile : add a file of substitutions\n') - err('\n') - err('Each non-empty non-comment line in a substitution file must\n') - err('contain exactly two words: an identifier and its replacement.\n') - err('Comments start with a # character and end at end of line.\n') - err('If an identifier is preceded with a *, it is not substituted\n') - err('inside a comment even when -c is specified.\n') - -def main(): - try: - opts, args = getopt.getopt(sys.argv[1:], 'crs:') - except getopt.error, msg: - err('Options error: ' + str(msg) + '\n') - usage() - sys.exit(2) - bad = 0 - if not args: # No arguments - usage() - sys.exit(2) - for opt, arg in opts: - if opt == '-c': - setdocomments() - if opt == '-r': - setreverse() - if opt == '-s': - addsubst(arg) - for arg in args: - if os.path.isdir(arg): - if recursedown(arg): bad = 1 - elif os.path.islink(arg): - err(arg + ': will not process symbolic links\n') - bad = 1 - else: - if fix(arg): bad = 1 - sys.exit(bad) - -# Change this regular expression to select a different set of files -Wanted = '^[a-zA-Z0-9_]+\.[ch]$' -def wanted(name): - return re.match(Wanted, name) >= 0 - -def recursedown(dirname): - dbg('recursedown(%r)\n' % (dirname,)) - bad = 0 - try: - names = os.listdir(dirname) - except os.error, msg: - err(dirname + ': cannot list directory: ' + str(msg) + '\n') - return 1 - names.sort() - subdirs = [] - for name in names: - if name in (os.curdir, os.pardir): continue - fullname = os.path.join(dirname, name) - if os.path.islink(fullname): pass - elif os.path.isdir(fullname): - subdirs.append(fullname) - elif wanted(name): - if fix(fullname): bad = 1 - for fullname in subdirs: - if recursedown(fullname): bad = 1 - return bad - -def fix(filename): -## dbg('fix(%r)\n' % (filename,)) - if filename == '-': - # Filter mode - f = sys.stdin - g = sys.stdout - else: - # File replacement mode - try: - f = open(filename, 'r') - except IOError, msg: - err(filename + ': cannot open: ' + str(msg) + '\n') - return 1 - head, tail = os.path.split(filename) - tempname = os.path.join(head, '@' + tail) - g = None - # If we find a match, we rewind the file and start over but - # now copy everything to a temp file. - lineno = 0 - initfixline() - while 1: - line = f.readline() - if not line: break - lineno = lineno + 1 - while line[-2:] == '\\\n': - nextline = f.readline() - if not nextline: break - line = line + nextline - lineno = lineno + 1 - newline = fixline(line) - if newline != line: - if g is None: - try: - g = open(tempname, 'w') - except IOError, msg: - f.close() - err(tempname+': cannot create: '+ - str(msg)+'\n') - return 1 - f.seek(0) - lineno = 0 - initfixline() - rep(filename + ':\n') - continue # restart from the beginning - rep(repr(lineno) + '\n') - rep('< ' + line) - rep('> ' + newline) - if g is not None: - g.write(newline) - - # End of file - if filename == '-': return 0 # Done in filter mode - f.close() - if not g: return 0 # No changes - - # Finishing touch -- move files - - # First copy the file's mode to the temp file - try: - statbuf = os.stat(filename) - os.chmod(tempname, statbuf[ST_MODE] & 07777) - except os.error, msg: - err(tempname + ': warning: chmod failed (' + str(msg) + ')\n') - # Then make a backup of the original file as filename~ - try: - os.rename(filename, filename + '~') - except os.error, msg: - err(filename + ': warning: backup failed (' + str(msg) + ')\n') - # Now move the temp file to the original file - try: - os.rename(tempname, filename) - except os.error, msg: - err(filename + ': rename failed (' + str(msg) + ')\n') - return 1 - # Return succes - return 0 - -# Tokenizing ANSI C (partly) - -Identifier = '\(struct \)?[a-zA-Z_][a-zA-Z0-9_]+' -String = '"\([^\n\\"]\|\\\\.\)*"' -Char = '\'\([^\n\\\']\|\\\\.\)*\'' -CommentStart = '/\*' -CommentEnd = '\*/' - -Hexnumber = '0[xX][0-9a-fA-F]*[uUlL]*' -Octnumber = '0[0-7]*[uUlL]*' -Decnumber = '[1-9][0-9]*[uUlL]*' -Intnumber = Hexnumber + '\|' + Octnumber + '\|' + Decnumber -Exponent = '[eE][-+]?[0-9]+' -Pointfloat = '\([0-9]+\.[0-9]*\|\.[0-9]+\)\(' + Exponent + '\)?' -Expfloat = '[0-9]+' + Exponent -Floatnumber = Pointfloat + '\|' + Expfloat -Number = Floatnumber + '\|' + Intnumber - -# Anything else is an operator -- don't list this explicitly because of '/*' - -OutsideComment = (Identifier, Number, String, Char, CommentStart) -OutsideCommentPattern = '(' + '|'.join(OutsideComment) + ')' -OutsideCommentProgram = re.compile(OutsideCommentPattern) - -InsideComment = (Identifier, Number, CommentEnd) -InsideCommentPattern = '(' + '|'.join(InsideComment) + ')' -InsideCommentProgram = re.compile(InsideCommentPattern) - -def initfixline(): - global Program - Program = OutsideCommentProgram - -def fixline(line): - global Program -## print '-->', repr(line) - i = 0 - while i < len(line): - i = Program.search(line, i) - if i < 0: break - found = Program.group(0) -## if Program is InsideCommentProgram: print '...', -## else: print ' ', -## print found - if len(found) == 2: - if found == '/*': - Program = InsideCommentProgram - elif found == '*/': - Program = OutsideCommentProgram - n = len(found) - if Dict.has_key(found): - subst = Dict[found] - if Program is InsideCommentProgram: - if not Docomments: - print 'Found in comment:', found - i = i + n - continue - if NotInComment.has_key(found): -## print 'Ignored in comment:', -## print found, '-->', subst -## print 'Line:', line, - subst = found -## else: -## print 'Substituting in comment:', -## print found, '-->', subst -## print 'Line:', line, - line = line[:i] + subst + line[i+n:] - n = len(subst) - i = i + n - return line - -Docomments = 0 -def setdocomments(): - global Docomments - Docomments = 1 - -Reverse = 0 -def setreverse(): - global Reverse - Reverse = (not Reverse) - -Dict = {} -NotInComment = {} -def addsubst(substfile): - try: - fp = open(substfile, 'r') - except IOError, msg: - err(substfile + ': cannot read substfile: ' + str(msg) + '\n') - sys.exit(1) - lineno = 0 - while 1: - line = fp.readline() - if not line: break - lineno = lineno + 1 - try: - i = line.index('#') - except ValueError: - i = -1 # Happens to delete trailing \n - words = line[:i].split() - if not words: continue - if len(words) == 3 and words[0] == 'struct': - words[:2] = [words[0] + ' ' + words[1]] - elif len(words) <> 2: - err(substfile + '%s:%r: warning: bad line: %r' % (substfile, lineno, line)) - continue - if Reverse: - [value, key] = words - else: - [key, value] = words - if value[0] == '*': - value = value[1:] - if key[0] == '*': - key = key[1:] - NotInComment[key] = value - if Dict.has_key(key): - err('%s:%r: warning: overriding: %r %r\n' % (substfile, lineno, key, value)) - err('%s:%r: warning: previous: %r\n' % (substfile, lineno, Dict[key])) - Dict[key] = value - fp.close() - -if __name__ == '__main__': - main() |