dawn-cmake/test/tint/extract-spvasm.py

69 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright 2021 The Tint Authors.
#
# 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.
# Extract SPIR-V assembly dumps from the output of
# tint_unittests --dump-spirv
# Writes each module to a distinct filename, which is a sanitized
# form of the test name, and with a ".spvasm" suffix.
#
# Usage:
# tint_unittests --dump-spirv | python3 extract-spvasm.py
import sys
import re
def extract():
test_name = ''
in_spirv = False
parts = []
for line in sys.stdin:
run_match = re.match('\[ RUN\s+\]\s+(\S+)', line)
if run_match:
test_name = run_match.group(1)
test_name = re.sub('[^0-9a-zA-Z]', '_', test_name) + '.spvasm'
elif re.match('BEGIN ConvertedOk', line):
parts = []
in_spirv = True
elif re.match('END ConvertedOk', line):
with open(test_name, 'w') as f:
f.write('; Test: ' + test_name + '\n')
for l in parts:
f.write(l)
f.close()
elif in_spirv:
parts.append(line)
def main(argv):
if '--help' in argv or '-h' in argv:
print(
'Extract SPIR-V from the output of tint_unittests --dump-spirv\n')
print(
'Usage:\n tint_unittests --dump-spirv | python3 extract-spvasm.py\n'
)
print(
'Writes each module to a distinct filename, which is a sanitized')
print('form of the test name, and with a ".spvasm" suffix.')
return 1
else:
extract()
return 0
if __name__ == '__main__':
exit(main(sys.argv[1:]))