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