djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

py: Modify makeqstrdata to recognise better the output of CPP.

Browse Source
This commit is contained in:
Damien George 2014-04-13 13:16:51 +01:00
parent 49f20b841d
commit 5bb7d99175
1 changed files with 17 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
py/makeqstrdata.py
View File

@ -24,10 +24,17 @@ def compute_hash(qstr):
hash = (hash * 33) ^ ord(char)
return hash & 0xffff
# given a list of (name,regex) pairs, find the first one that matches the given line
def re_match(regexs, line):
for name, regex in regexs:
match = re.match(regex, line)
if match:
return name, match
return None, None
def do_work(infiles):
# read the qstrs in from the input files
qstrs = {}
cpp_header_blocks = 3
for infile in infiles:
with open(infile, 'rt') as f:
line_number = 0
@ -35,23 +42,19 @@ def do_work(infiles):
line_number += 1
line = line.strip()
# ignore blank lines and comments
if len(line) == 0 or line.startswith('//'):
# ignore blank lines, comments and preprocessor directives
if len(line) == 0 or line.startswith('//') or line.startswith('#'):
continue
# We'll have 3 line-number lines for py/qstrdefs.h - initial, leaving it to
# go into other headers, and returning to it.
if line.startswith('# ') and 'py/qstrdefs.h' in line:
cpp_header_blocks -= 1
continue
if cpp_header_blocks != 0:
continue
# verify line is of the correct form
match = re.match(r'Q\((.+)\)$', line)
if not match:
# work out what kind of line it is
match_kind, match = re_match([('qstr', r'Q\((.+)\)$'), ('cdecl', r'(typedef|extern) [A-Za-z0-9_* ]+;$')], line)
if match_kind is None:
# unknown line format
print('({}:{}) bad qstr format, got {}'.format(infile, line_number, line), file=sys.stderr)
return False
elif match_kind != 'qstr':
# not a line with a qstr
continue
# get the qstr value
qstr = match.group(1)