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/*
* Copyright 2015 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.
*/
//
// wasm2asm console tool
//
#include "support/colors.h"
#include "support/command-line.h"
#include "support/file.h"
#include "wasm-s-parser.h"
#include "wasm2asm.h"
using namespace cashew;
using namespace wasm;
int main(int argc, const char *argv[]) {
Options options("wasm2asm", "Transform .wast files to asm.js");
options
.add("--output", "-o", "Output file (stdout if not specified)",
Options::Arguments::One,
[](Options *o, const std::string &argument) {
o->extra["output"] = argument;
Colors::disable();
})
.add_positional("INFILE", Options::Arguments::One,
[](Options *o, const std::string &argument) {
o->extra["infile"] = argument;
});
options.parse(argc, argv);
auto input(
read_file<std::vector<char>>(options.extra["infile"], Flags::Text, options.debug ? Flags::Debug : Flags::Release));
if (options.debug) std::cerr << "s-parsing..." << std::endl;
SExpressionParser parser(input.data());
Element &root = *parser.root;
if (options.debug) std::cerr << "w-parsing..." << std::endl;
Module wasm;
SExpressionWasmBuilder builder(wasm, *root[0], [&]() { abort(); });
if (options.debug) std::cerr << "asming..." << std::endl;
Wasm2AsmBuilder wasm2asm(options.debug);
Ref asmjs = wasm2asm.processWasm(&wasm);
if (options.debug) {
std::cerr << "a-printing..." << std::endl;
asmjs->stringify(std::cout, true);
std::cout << '\n';
}
if (options.debug) std::cerr << "j-printing..." << std::endl;
JSPrinter jser(true, true, asmjs);
jser.printAst();
Output output(options.extra["output"], Flags::Text, options.debug ? Flags::Debug : Flags::Release);
output << jser.buffer << std::endl;
if (options.debug) std::cerr << "done." << std::endl;
}
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