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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 sys
import tempfile
import find_exe
import utils
SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
GEN_WASM_PY = os.path.join(SCRIPT_DIR, 'gen-wasm.py')
def main(args):
parser = argparse.ArgumentParser()
parser.add_argument('-v', '--verbose', help='print more diagnotic messages.',
action='store_true')
parser.add_argument('-o', '--out-dir', metavar='PATH',
help='output directory for files.')
parser.add_argument('--bindir', metavar='PATH',
default=find_exe.GetDefaultPath(),
help='directory to search for all executables.')
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('-p', '--print-cmd',
help='print the commands that are run.',
action='store_true')
parser.add_argument('--headers', action='store_true')
parser.add_argument('--no-check', action='store_true')
parser.add_argument('--dump-verbose', action='store_true')
parser.add_argument('--dump-debug', action='store_true')
parser.add_argument('--enable-exceptions', action='store_true')
parser.add_argument('--enable-saturating-float-to-int', action='store_true')
parser.add_argument('--enable-threads', action='store_true')
parser.add_argument('--gen-wasm', action='store_true',
help='parse with gen-wasm')
parser.add_argument('--spec', action='store_true')
parser.add_argument('-r', '--relocatable', action='store_true')
parser.add_argument('--no-canonicalize-leb128s', action='store_true')
parser.add_argument('--debug-names', action='store_true')
parser.add_argument('file', help='test file.')
options = parser.parse_args(args)
if options.gen_wasm and options.spec:
parser.error('Can\'t use both --gen-wasm and --spec')
gen_wasm = utils.Executable(sys.executable, GEN_WASM_PY,
error_cmdline=options.error_cmdline)
wat_tool = None
if options.spec:
wat_tool = utils.Executable(
find_exe.GetWast2JsonExecutable(options.bindir),
error_cmdline=options.error_cmdline)
else:
wat_tool = utils.Executable(
find_exe.GetWat2WasmExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wat_tool.AppendOptionalArgs({
'--debug-names': options.debug_names,
'--enable-exceptions': options.enable_exceptions,
'--enable-saturating-float-to-int':
options.enable_saturating_float_to_int,
'--enable-threads': options.enable_threads,
'--no-check': options.no_check,
'--no-canonicalize-leb128s': options.no_canonicalize_leb128s,
'-v': options.verbose,
'-r': options.relocatable,
})
wasm_objdump = utils.Executable(
find_exe.GetWasmdumpExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wasm_objdump.AppendOptionalArgs({
'-h': options.headers,
'-x': options.dump_verbose,
'--debug': options.dump_debug,
})
gen_wasm.verbose = options.print_cmd
wat_tool.verbose = options.print_cmd
wasm_objdump.verbose = options.print_cmd
filename = options.file
with utils.TempDirectory(options.out_dir, 'objdump-') as out_dir:
basename = os.path.basename(filename)
basename_noext = os.path.splitext(basename)[0]
if options.gen_wasm:
out_file = os.path.join(out_dir, basename_noext + '.wasm')
gen_wasm.RunWithArgs('-o', out_file, filename)
else:
if options.spec:
out_file = os.path.join(out_dir, basename_noext + '.json')
else:
out_file = os.path.join(out_dir, basename_noext + '.wasm')
wat_tool.RunWithArgs('-o', out_file, filename)
if options.spec:
wasm_files = utils.GetModuleFilenamesFromSpecJSON(out_file)
wasm_files = [utils.ChangeDir(f, out_dir) for f in wasm_files]
else:
wasm_files = [out_file]
wasm_objdump.RunWithArgs('-r', '-d', *wasm_files)
if __name__ == '__main__':
try:
sys.exit(main(sys.argv[1:]))
except utils.Error as e:
sys.stderr.write(str(e) + '\n')
sys.exit(1)
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