180f017f50
There are now less that 100 days until the end of life of Python 2(aka _legacy_ Python) https://pythonclock.org/ . The code compatibility check for python2 and python3 used the following tools: futurize, flake8 Related tasks: 1. https://github.com/nodejs/node/issues/24512 2. https://github.com/v8/v8/pull/35 Bug: v8:8594 Change-Id: Ia081a158a2b41cd880a5d47bb340f21858340d42 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1864942 Commit-Queue: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#64381}
49 lines
1.5 KiB
Python
Executable File
49 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2019 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be found
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# in the LICENSE file.
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from __future__ import print_function
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import argparse
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import io
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import sys
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from wasm import *
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def parse_args():
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parser = argparse.ArgumentParser(\
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description="Read compilation hints from Wasm module.")
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parser.add_argument("in_wasm_file", \
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type=str, \
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help="wasm module")
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return parser.parse_args()
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if __name__ == "__main__":
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args = parse_args()
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in_wasm_file = args.in_wasm_file if args.in_wasm_file else sys.stdin.fileno()
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with io.open(in_wasm_file, "rb") as fin:
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read_magic_number(fin);
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read_version(fin);
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while True:
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id, bs = read_varuintN(fin)
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if id == None:
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break
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payload_length, bs = read_varuintN(fin)
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if id == CUSTOM_SECTION_ID:
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section_name_length, section_name_length_bs = read_varuintN(fin)
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section_name_bs = fin.read(section_name_length)
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if section_name_bs == "compilationHints":
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num_hints, bs = read_varuintN(fin)
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print("Custom section compilationHints with ", num_hints, "hints:")
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for i in range(num_hints):
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hint, bs = read_uint8(fin)
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print(i, " ", hex(hint))
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else:
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remaining_length = payload_length \
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- len(section_name_length_bs) \
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- len(section_name_bs)
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fin.read()
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else:
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fin.read(payload_length)
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