Process command line arguments; skip #defines that generate invalid
Python
diff --git a/Tools/scripts/h2py.py b/Tools/scripts/h2py.py
index 015cd34..0b260c1 100755
--- a/Tools/scripts/h2py.py
+++ b/Tools/scripts/h2py.py
@@ -1,11 +1,13 @@
#! /usr/local/bin/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.
+# Very primitive: non-#define's are ignored.
+# You will have to edit the output in some cases.
+# If one or more filenames are given, output is written to corresponding
+# filenames in the local directory, translated to all uppercase, with
+# the extension replaced by ".py".
# 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"
@@ -13,16 +15,35 @@
# - what to do about macros with parameters?
# - reject definitions with semicolons in them
-import sys, regex, string
+import sys, regex, string, getopt, os
p_define = regex.compile('^#[\t ]*define[\t ]+\([a-zA-Z0-9_]+\)[\t ]+')
p_comment = regex.compile('/\*\([^*]+\|\*+[^/]\)*\(\*+/\)?')
def main():
- process(sys.stdin)
+ opts, args = getopt.getopt(sys.argv[1:], '')
+ if not args:
+ args = ['-']
+ for filename in args:
+ if filename == '-':
+ sys.stdout.write('# Generated by h2py from stdin\n')
+ process(sys.stdin, sys.stdout)
+ else:
+ fp = open(filename, 'r')
+ outfile = os.path.basename(filename)
+ i = string.rfind(outfile, '.')
+ if i > 0: outfile = outfile[:i]
+ outfile = string.upper(outfile)
+ outfile = outfile + '.py'
+ outfp = open(outfile, 'w')
+ outfp.write('# Generated by h2py from %s\n' % filename)
+ process(fp, outfp)
+ outfp.close()
+ fp.close()
-def process(fp):
+def process(fp, outfp):
+ env = {}
lineno = 0
while 1:
line = fp.readline()
@@ -44,6 +65,14 @@
while p_comment.search(body) >= 0:
a, b = p_comment.regs[0]
body = body[:a] + ' ' + body[b:]
- print name, '=', string.strip(body)
+ stmt = '%s = %s\n' % (name, string.strip(body))
+ ok = 0
+ try:
+ exec stmt in env
+ ok = 1
+ except:
+ sys.stderr.write('Skipping: %s' % stmt)
+ if ok:
+ outfp.write(stmt)
main()