def main(args):
parser = argparse.ArgumentParser()
parser.add_argument('-o', '--out-dir', metavar='PATH',
help='output directory for files.')
parser.add_argument('-P', '--prefix', metavar='PATH', help='prefix file.',
default=os.path.join(SCRIPT_DIR, 'spec-wasm2c-prefix.c'))
parser.add_argument('--bindir', metavar='PATH',
default=find_exe.GetDefaultPath(),
help='directory to search for all executables.')
parser.add_argument('--wasmrt-dir', metavar='PATH',
help='directory with wasm-rt files', default=WASM2C_DIR)
parser.add_argument('--cc', metavar='PATH',
help='the path to the C compiler', default='cc')
parser.add_argument('--cflags', metavar='FLAGS',
help='additional flags for C compiler.',
action='append', default=[])
parser.add_argument('--compile', help='compile the C code (default)',
dest='compile', action='store_true')
parser.add_argument('--no-compile', help='don\'t compile the C code',
dest='compile', action='store_false')
parser.set_defaults(compile=True)
parser.add_argument('--no-run', help='don\'t run the compiled executable',
dest='run', action='store_false')
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('-p', '--print-cmd',
help='print the commands that are run.',
action='store_true')
parser.add_argument('file', help='wast file.')
options = parser.parse_args(args)
with utils.TempDirectory(options.out_dir, 'run-spec-wasm2c-') as out_dir:
# Parse JSON file and generate main .c file with calls to test functions.
wast2json = utils.Executable(
find_exe.GetWast2JsonExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wast2json.AppendOptionalArgs({'-v': options.verbose})
json_file_path = utils.ChangeDir(
utils.ChangeExt(options.file, '.json'), out_dir)
wast2json.RunWithArgs(options.file, '-o', json_file_path)
wasm2c = utils.Executable(
find_exe.GetWasm2CExecutable(options.bindir),
error_cmdline=options.error_cmdline)
cc = utils.Executable(options.cc, *options.cflags)
with open(json_file_path) as json_file:
spec_json = json.load(json_file)
prefix = ''
if options.prefix:
with open(options.prefix) as prefix_file:
prefix = prefix_file.read() + '\n'
output = io.StringIO()
cwriter = CWriter(spec_json, prefix, output, out_dir)
cwriter.Write()
main_filename = utils.ChangeExt(json_file_path, '-main.c')
with open(main_filename, 'w') as out_main_file:
out_main_file.write(output.getvalue())
o_filenames = []
includes = '-I%s' % options.wasmrt_dir
# Compile wasm-rt-impl.
wasm_rt_impl_c = os.path.join(options.wasmrt_dir, 'wasm-rt-impl.c')
o_filenames.append(Compile(cc, wasm_rt_impl_c, out_dir, includes))
for i, wasm_filename in enumerate(cwriter.GetModuleFilenames()):
c_filename = utils.ChangeExt(wasm_filename, '.c')
wasm2c.RunWithArgs(wasm_filename, '-o', c_filename, cwd=out_dir)
if options.compile:
defines = '-DWASM_RT_MODULE_PREFIX=%s' % cwriter.GetModulePrefix(i)
o_filenames.append(Compile(cc, c_filename, out_dir, includes, defines))
if options.compile:
main_c = os.path.basename(main_filename)
o_filenames.append(Compile(cc, main_c, out_dir, includes, defines))
main_exe = os.path.basename(utils.ChangeExt(json_file_path, ''))
Link(cc, o_filenames, main_exe, out_dir, '-lm')
if options.compile and options.run:
utils.Executable(os.path.join(out_dir, main_exe),
forward_stdout=True).RunWithArgs()
return 0
def main(args):
default_compiler = 'cc'
if IS_WINDOWS:
default_compiler = 'cl.exe'
parser = argparse.ArgumentParser()
parser.add_argument('-o', '--out-dir', metavar='PATH',
help='output directory for files.')
parser.add_argument('-P', '--prefix', metavar='PATH', help='prefix file.',
default=os.path.join(SCRIPT_DIR, 'spec-wasm2c-prefix.c'))
parser.add_argument('--bindir', metavar='PATH',
default=find_exe.GetDefaultPath(),
help='directory to search for all executables.')
parser.add_argument('--wasmrt-dir', metavar='PATH',
help='directory with wasm-rt files', default=WASM2C_DIR)
parser.add_argument('--cc', metavar='PATH',
help='the path to the C compiler',
default=default_compiler)
parser.add_argument('--cflags', metavar='FLAGS',
help='additional flags for C compiler.',
action='append', default=[])
parser.add_argument('--compile', help='compile the C code (default)',
dest='compile', action='store_true')
parser.add_argument('--no-compile', help='don\'t compile the C code',
dest='compile', action='store_false')
parser.set_defaults(compile=True)
parser.add_argument('--no-run', help='don\'t run the compiled executable',
dest='run', action='store_false')
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('-p', '--print-cmd',
help='print the commands that are run.',
action='store_true')
parser.add_argument('file', help='wast file.')
parser.add_argument('--enable-multi-memory', action='store_true')
parser.add_argument('--disable-bulk-memory', action='store_true')
parser.add_argument('--disable-reference-types', action='store_true')
options = parser.parse_args(args)
with utils.TempDirectory(options.out_dir, 'run-spec-wasm2c-') as out_dir:
# Parse JSON file and generate main .c file with calls to test functions.
wast2json = utils.Executable(
find_exe.GetWast2JsonExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wast2json.verbose = options.print_cmd
wast2json.AppendOptionalArgs({
'-v': options.verbose,
'--enable-multi-memory': options.enable_multi_memory,
'--disable-bulk-memory': options.disable_bulk_memory,
'--disable-reference-types': options.disable_reference_types})
json_file_path = utils.ChangeDir(
utils.ChangeExt(options.file, '.json'), out_dir)
wast2json.RunWithArgs(options.file, '-o', json_file_path)
wasm2c = utils.Executable(
find_exe.GetWasm2CExecutable(options.bindir),
error_cmdline=options.error_cmdline)
wasm2c.verbose = options.print_cmd
wasm2c.AppendOptionalArgs({
'--enable-multi-memory': options.enable_multi_memory})
options.cflags += shlex.split(os.environ.get('WASM2C_CFLAGS', ''))
cc = utils.Executable(options.cc, *options.cflags, forward_stderr=True,
forward_stdout=False)
cc.verbose = options.print_cmd
with open(json_file_path, encoding='utf-8') as json_file:
spec_json = json.load(json_file)
prefix = ''
if options.prefix:
with open(options.prefix) as prefix_file:
prefix = prefix_file.read() + '\n'
output = io.StringIO()
cwriter = CWriter(spec_json, prefix, output, out_dir)
cwriter.Write()
main_filename = utils.ChangeExt(json_file_path, '-main.c')
with open(main_filename, 'w') as out_main_file:
out_main_file.write(output.getvalue())
o_filenames = []
includes = '-I%s' % options.wasmrt_dir
for i, wasm_filename in enumerate(cwriter.GetModuleFilenames()):
wasm_filename = os.path.join(out_dir, wasm_filename)
c_filename = utils.ChangeExt(wasm_filename, '.c')
args = ['-n', cwriter.GetModulePrefixUnmangled(i)]
wasm2c.RunWithArgs(wasm_filename, '-o', c_filename, *args)
if options.compile:
o_filenames.append(Compile(cc, c_filename, out_dir, includes))
if options.compile:
# Compile wasm-rt-impl.
wasm_rt_impl_c = os.path.join(options.wasmrt_dir, 'wasm-rt-impl.c')
o_filenames.append(Compile(cc, wasm_rt_impl_c, out_dir, includes))
# Compile and link -main test run entry point
o_filenames.append(Compile(cc, main_filename, out_dir, includes))
if IS_WINDOWS:
exe_ext = '.exe'
libs = []
else:
exe_ext = ''
libs = ['-lm']
main_exe = utils.ChangeExt(json_file_path, exe_ext)
Link(cc, o_filenames, main_exe, *libs)
# Run the resulting binary
if options.run:
utils.Executable(main_exe, forward_stdout=True).RunWithArgs()
return 0
