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

26 lines
743 B
Python

#!/usr/bin/env python2
#
# Resolve a line number in the combined source into an uncombined file/line
# using a dist/src/duk_source_meta.json file.
#
# Usage: $ python resolve_combined_lineno.py dist/src/duk_source_meta.json 12345
#
import os
import sys
import json
def main():
with open(sys.argv[1], 'rb') as f:
metadata = json.loads(f.read())
lineno = int(sys.argv[2])
for e in reversed(metadata['line_map']):
if lineno >= e['combined_line']:
orig_lineno = e['original_line'] + (lineno - e['combined_line'])
print('%s:%d -> %s:%d' % ('duktape.c', lineno,
e['original_file'], orig_lineno))
break
if __name__ == '__main__':
main()