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author | Guido van Rossum <guido@python.org> | 1992-03-02 16:20:32 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 1992-03-02 16:20:32 (GMT) |
commit | 2ba9f30489326dcaea8e0c1fdc395805fb618c97 (patch) | |
tree | d360c7225310833094e7dc40be5289f9d95ea3e9 /Tools/scripts/h2py.py | |
parent | becdad3d5e512b08e0dd5994ac7c7ec3e6f84ebc (diff) | |
download | cpython-2ba9f30489326dcaea8e0c1fdc395805fb618c97.zip cpython-2ba9f30489326dcaea8e0c1fdc395805fb618c97.tar.gz cpython-2ba9f30489326dcaea8e0c1fdc395805fb618c97.tar.bz2 |
Initial revision
Diffstat (limited to 'Tools/scripts/h2py.py')
-rwxr-xr-x | Tools/scripts/h2py.py | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Tools/scripts/h2py.py b/Tools/scripts/h2py.py new file mode 100755 index 0000000..ff2afc2 --- /dev/null +++ b/Tools/scripts/h2py.py @@ -0,0 +1,50 @@ +#! /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() |