def GetNM(emscripten_dir):
python = Executable(sys.executable)
stdout = python.RunWithArgsForStdout(
'-c',
'import tools.shared; print(tools.shared.LLVM_ROOT)',
cwd=emscripten_dir)
return Executable(os.path.join(stdout.strip(), 'llvm-nm'))
def main(args):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-o', '--output', metavar='PATH', help='output file.')
parser.add_argument('file', help='spec json file.')
parser.add_argument('--bindir',
metavar='PATH',
default=find_exe.GetDefaultPath(),
help='directory to search for all executables.')
parser.add_argument('--temp-dir',
metavar='PATH',
help='set the directory that temporary wasm/wat'
' files are written.')
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('--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('--enable-simd', action='store_true')
parser.add_argument('--enable-sign-extension', action='store_true')
parser.add_argument('--enable-multi-value', action='store_true')
parser.add_argument('--enable-bulk-memory', action='store_true')
parser.add_argument('--enable-tail-call', action='store_true')
parser.add_argument('--enable-reference-types', action='store_true')
options = parser.parse_args(args)
wast2json = Executable(find_exe.GetWast2JsonExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wast2json.verbose = options.print_cmd
wast2json.AppendOptionalArgs({
'--enable-exceptions':
options.enable_exceptions,
'--enable-multi-value':
options.enable_multi_value,
'--enable-saturating-float-to-int':
options.enable_saturating_float_to_int,
'--enable-sign-extension':
options.enable_sign_extension,
'--enable-simd':
options.enable_simd,
'--enable-threads':
options.enable_threads,
'--enable-bulk-memory':
options.enable_bulk_memory,
'--enable-tail-call':
options.enable_tail_call,
'--enable-reference-types':
options.enable_reference_types,
})
json_filename = options.file
with utils.TempDirectory(options.temp_dir, 'gen-spec-wast-') as temp_dir:
file_base, file_ext = os.path.splitext(json_filename)
if file_ext == '.wast':
wast_filename = options.file
json_filename = ChangeDir(file_base + '.json', temp_dir)
wast2json.RunWithArgs(wast_filename, '-o', json_filename)
with open(json_filename) as json_file:
json_dir = os.path.dirname(json_filename)
spec_json = json.load(json_file)
output = io.StringIO()
WastWriter(json_dir, spec_json, output).Write()
if options.output:
out_file = open(options.output, 'w')
else:
out_file = sys.stdout
try:
out_file.write(output.getvalue())
finally:
out_file.close()
return 0
def main(args):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-o', '--output', metavar='PATH', help='output file.')
parser.add_argument('-P',
'--prefix',
metavar='PATH',
help='prefix file.',
default=os.path.join(SCRIPT_DIR, 'gen-spec-prefix.js'))
parser.add_argument('--bindir',
metavar='PATH',
default=find_exe.GetDefaultPath(),
help='directory to search for all executables.')
parser.add_argument('--temp-dir',
metavar='PATH',
help='set the directory that temporary wasm/wat'
' files are written.')
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('file', help='spec json file.')
options = parser.parse_args(args)
wat2wasm = Executable(find_exe.GetWat2WasmExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wasm2wat = Executable(find_exe.GetWasm2WatExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wat2wasm.verbose = options.print_cmd
wasm2wat.verbose = options.print_cmd
with open(options.file) as json_file:
json_dir = os.path.dirname(options.file)
spec_json = json.load(json_file)
all_commands = spec_json['commands']
# modules is a list of pairs: [(module_command, [assert_command, ...]), ...]
modules = CollectInvalidModuleCommands(all_commands)
with utils.TempDirectory(options.temp_dir, 'gen-spec-js-') as temp_dir:
extender = ModuleExtender(wat2wasm, wasm2wat, temp_dir)
for module_command, assert_commands in modules:
if assert_commands:
wasm_path = os.path.join(json_dir, module_command['filename'])
new_module_filename = extender.Extend(wasm_path,
assert_commands)
module_command['filename'] = new_module_filename
output = io.StringIO()
if options.prefix:
with open(options.prefix) as prefix_file:
output.write(prefix_file.read())
output.write('\n')
JSWriter(json_dir, spec_json, output).Write()
if options.output:
out_file = open(options.output, 'w')
else:
out_file = sys.stdout
try:
out_file.write(output.getvalue())
finally:
out_file.close()
return 0