scripts/clean_c_api_trace.py

#!/usr/bin/env python3
#
# Copyright 2016 WebAssembly Community Group participants
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Cleans up output from the C api, makes a runnable C file
"""

import sys

trace = open(sys.argv[1]).read()

start = trace.find('// beginning a Binaryen API trace')
end = trace.rfind('// ending a Binaryen API trace')
if start >= 0:
    trace = trace[start:end]

    while 1:
        start = trace.find('\n(')
        if start < 0:
            break
        end = trace.find('\n)', start + 1)
        assert end > 0
        trace = trace[:start] + trace[end + 2:]

    print(trace)