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#!/usr/bin/env python
#
# 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.
#
import argparse
import os
import subprocess
import sys
import find_exe
import utils
from utils import Error
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
WASM_JS = os.path.join(SCRIPT_DIR, 'wasm.js')
SPEC_JS = os.path.join(SCRIPT_DIR, 'spec.js')
def CleanD8Stdout(stdout):
def FixLine(line):
idx = line.find('WasmModule::Instantiate()')
if idx != -1:
return line[idx:]
return line
lines = [FixLine(line) for line in stdout.splitlines(1)]
return ''.join(lines)
def CleanD8Stderr(stderr):
idx = stderr.find('==== C stack trace')
if idx != -1:
stderr = stderr[:idx]
return stderr.strip()
def GetExeBasename(exe):
return os.path.basename(exe)
def GetJSExecutable(options):
exe = find_exe.GetJSExecutable(options.js_executable)
if GetExeBasename(exe) == 'd8':
return utils.Executable(exe,
clean_stdout=CleanD8Stdout,
clean_stderr=CleanD8Stderr,
error_cmdline=options.error_cmdline)
else:
return utils.Executable(exe, error_cmdline=options.error_cmdline)
def RunJS(js, js_file, out_file):
if GetExeBasename(js.exe) == 'd8':
js.RunWithArgs('--expose-wasm', js_file, '--', out_file)
else:
js.RunWithArgs(js_file, out_file)
def main(args):
parser = argparse.ArgumentParser()
parser.add_argument('-o', '--out-dir', metavar='PATH',
help='output directory for files.')
parser.add_argument('-e', '--executable', metavar='PATH',
help='override sexpr-wasm executable.')
parser.add_argument('--js-executable', metavar='PATH',
help='override js executable.')
parser.add_argument('-v', '--verbose', help='print more diagnotic messages.',
action='store_true')
parser.add_argument('--no-error-cmdline',
help='don\'t display the subprocess\'s commandline when' +
' an error occurs', dest='error_cmdline',
action='store_false')
parser.add_argument('--use-libc-allocator', action='store_true')
parser.add_argument('--spec', help='run spec tests.', action='store_true')
parser.add_argument('file', help='test file.')
options = parser.parse_args(args)
sexpr_wasm = utils.Executable(
find_exe.GetSexprWasmExecutable(options.executable),
error_cmdline=options.error_cmdline)
sexpr_wasm.AppendOptionalArgs({
'-v': options.verbose,
'--spec': options.spec,
'--use-libc-allocator': options.use_libc_allocator
})
js = GetJSExecutable(options)
with utils.TempDirectory(options.out_dir, 'run-js-') as out_dir:
new_ext = '.json' if options.spec else '.wasm'
out_file = utils.ChangeDir(utils.ChangeExt(options.file, new_ext), out_dir)
sexpr_wasm.RunWithArgs(options.file, '-o', out_file)
js_file = SPEC_JS if options.spec else WASM_JS
RunJS(js, js_file, out_file)
return 0
if __name__ == '__main__':
try:
sys.exit(main(sys.argv[1:]))
except Error as e:
sys.stderr.write(str(e) + '\n')
sys.exit(1)
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