OVMS3/OVMS.V3/components/duktape/tools/scan_used_stridx_bidx.py

58 lines
1.8 KiB
Python

#!/usr/bin/env python2
#
# Scan Duktape code base for references to built-in strings and built-in
# objects, i.e. for:
#
# - Strings which will need DUK_STRIDX_xxx constants and a place in the
# thr->strs[] array.
#
# - Objects which will need DUK_BIDX_xxx constants and a place in the
# thr->builtins[] array.
#
import os
import sys
import re
import json
re_str_stridx = re.compile(r'DUK_STRIDX_(\w+)', re.MULTILINE)
re_str_heap = re.compile(r'DUK_HEAP_STRING_(\w+)', re.MULTILINE)
re_str_hthread = re.compile(r'DUK_HTHREAD_STRING_(\w+)', re.MULTILINE)
re_obj_bidx = re.compile(r'DUK_BIDX_(\w+)', re.MULTILINE)
re_duk_use = re.compile(r'DUK_USE_(\w+)', re.MULTILINE)
def main():
str_defs = {}
obj_defs = {}
opt_defs = {}
for fn in sys.argv[1:]:
with open(fn, 'rb') as f:
d = f.read()
for m in re.finditer(re_str_stridx, d):
str_defs[m.group(1)] = True
for m in re.finditer(re_str_heap, d):
str_defs[m.group(1)] = True
for m in re.finditer(re_str_hthread, d):
str_defs[m.group(1)] = True
for m in re.finditer(re_obj_bidx, d):
obj_defs[m.group(1)] = True
for m in re.finditer(re_duk_use, d):
opt_defs[m.group(1)] = True
str_used = ['DUK_STRIDX_' + x for x in sorted(str_defs.keys())]
obj_used = ['DUK_BIDX_' + x for x in sorted(obj_defs.keys())]
opt_used = ['DUK_USE_' + x for x in sorted(opt_defs.keys())]
doc = {
'used_stridx_defines': str_used,
'used_bidx_defines': obj_used,
'used_duk_use_options': opt_used,
'count_used_stridx_defines': len(str_used),
'count_used_bidx_defines': len(obj_used),
'count_duk_use_options': len(opt_used),
}
print(json.dumps(doc, indent=4))
if __name__ == '__main__':
main()