Completely redone. mkestrres now parses errno.h and Errors.h files

(which have the descriptions of the errors in comments) and
generates errors.txt, macerrors.py and errors.rsrc

Mac/scripts/mkestrres.py

-#
-# Create 'Estr' resource from error dictionary
-from Res import *
-import Res
-from Resources import *
-import MacOS
+"""Parse sys/errno.h and Errors.h and create Estr resource"""
+
+import regex
+import macfs
 import string
+import Res
+import os
 
 READ = 1
 WRITE = 2
 smAllScripts = -3
 
+ERRNO_PROG="#define[ \t]+" \
+		   "\([A-Z0-9a-z_]+\)" \
+		   "[ \t]+" \
+		   "\([0-9]+\)" \
+		   "[ \t]*/\*[ \t]*" \
+		   "\(.*\)" \
+		   "[ \t]*\*/"
+		   
+ERRORS_PROG="[ \t]*" \
+			"\([A-Z0-9a-z_]+\)" \
+			"[ \t]*=[ \t]*" \
+			"\([-0-9]+\)" \
+			"[, \t]*/\*[ \t]*" \
+			"\(.*\)" \
+			"[ \t]*\*/"
+
 def Pstring(str):
 	if len(str) > 255:
 		raise ValueError, 'String too large'
@@ -18,45 +34,93 @@ def Pstring(str):
 def writeestr(dst, edict):
 	"""Create Estr resource file given a dictionary of errors."""
 	
-
-	FSpCreateResFile(dst, 'RSED', 'rsrc', smAllScripts)
-	output = FSpOpenResFile(dst, WRITE)
-	UseResFile(output)
+	os.unlink(dst.as_pathname())
+	Res.FSpCreateResFile(dst, 'RSED', 'rsrc', smAllScripts)
+	output = Res.FSpOpenResFile(dst, WRITE)
+	Res.UseResFile(output)
 	for num in edict.keys():
-		res = Resource(Pstring(edict[num]))
+		res = Res.Resource(Pstring(edict[num][0]))
 		res.AddResource('Estr', num, '')
 		res.WriteResource()
-	CloseResFile(output)
-	
-def parsefile(src):
-	fp = open(src)
-	lines = []
-	while 1:
-		x = fp.readline()
-		if not x:
-			break
-		x = x[:-1]
-		words = string.split(x)
-		if x[0] in (' ', '\t'):
-			# continuation line
-			x = string.join(words)
-			lines[-1] = lines[-1] + ' ' + x
-		else:
-			x = string.join(words)
-			lines.append(x)
-	dict = {}
-	for line in lines:
-		words = string.split(line)
-		index = eval(words[0])
-		if dict.has_key(index):
-			print '** Duplicate key:', index
-		x = string.join(words[2:])
-		if not x:
-			x = words[1]
-		dict[index] = x
-	return dict
+	Res.CloseResFile(output)
+	
+def writepython(fp, dict):
+	k = dict.keys()
+	k.sort()
+	for i in k:
+		fp.write("%s\t=\t%d\t#%s\n"%(dict[i][1], i, dict[i][0]))
+	
+
+def parse_errno_h(fp, dict):
+	errno_prog = regex.compile(ERRNO_PROG)
+	for line in fp.readlines():
+		if errno_prog.match(line) > 0:
+			number = string.atoi(errno_prog.group(2))
+			name = errno_prog.group(1)
+			desc = string.strip(errno_prog.group(3))
 			
+			if not dict.has_key(number):
+				dict[number] = desc, name
+			else:
+				print 'DUPLICATE', number
+				print '\t', dict[number]
+				print '\t', (desc, name)
+								
+def parse_errors_h(fp, dict):
+	errno_prog = regex.compile(ERRORS_PROG)
+	for line in fp.readlines():
+		if errno_prog.match(line) > 0:
+			number = string.atoi(errno_prog.group(2))
+			name = errno_prog.group(1)
+			desc = string.strip(errno_prog.group(3))
+			if number > 0: continue
+			
+			if not dict.has_key(number):
+				dict[number] = desc, name
+			else:
+				print 'DUPLICATE', number
+				print '\t', dict[number]
+				print '\t', (desc, name)
+			
+def main():
+	dict = {}
+	fss, ok = macfs.PromptGetFile("Where is errno.h?")
+	if not ok: return
+	fp = open(fss.as_pathname())
+	parse_errno_h(fp, dict)
+	fp.close()
+	
+	fss, ok = macfs.PromptGetFile("Where is Errors.h?")
+	if not ok: return
+	fp = open(fss.as_pathname())
+	parse_errors_h(fp, dict)
+	fp.close()
+	
+	if not dict:
+		return
+		
+	fss, ok = macfs.StandardPutFile("Resource output file?", "errors.rsrc")
+	if ok:
+		writeestr(fss, dict)
+	
+	fss, ok = macfs.StandardPutFile("Python output file?", "macerrors.py")
+	if ok:
+		fp = open(fss.as_pathname(), "w")
+		writepython(fp, dict)
+		fp.close()
+		fss.SetCreatorType('Pyth', 'TEXT')
+
+	fss, ok = macfs.StandardPutFile("Text output file?", "errors.txt")
+	if ok:
+		fp = open(fss.as_pathname(), "w")
+		
+		k = dict.keys()
+		k.sort()
+		for i in k:
+			fp.write("%d\t%s\t%s\n"%(i, dict[i][1], dict[i][0]))
+		fp.close()
+
 	
 if __name__ == '__main__':
-	dict = parsefile('errors.txt')
-	writeestr('errors.rsrc', dict)
+	main()
+