diff options
Diffstat (limited to 'src/tools/wasm-as.cpp')
| -rw-r--r-- | src/tools/wasm-as.cpp | 115 |
1 files changed, 73 insertions, 42 deletions
diff --git a/src/tools/wasm-as.cpp b/src/tools/wasm-as.cpp index 20e51e31f..253a93b3b 100644 --- a/src/tools/wasm-as.cpp +++ b/src/tools/wasm-as.cpp @@ -30,61 +30,87 @@ using namespace cashew; using namespace wasm; -int main(int argc, const char *argv[]) { +int main(int argc, const char* argv[]) { bool debugInfo = false; std::string symbolMap; std::string sourceMapFilename; std::string sourceMapUrl; - ToolOptions options("wasm-as", "Assemble a .wast (WebAssembly text format) into a .wasm (WebAssembly binary format)"); + ToolOptions options("wasm-as", + "Assemble a .wast (WebAssembly text format) into a .wasm " + "(WebAssembly binary format)"); options.extra["validate"] = "wasm"; 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("--validate", "-v", "Control validation of the output module", - Options::Arguments::One, - [](Options *o, const std::string& argument) { - if (argument != "web" && argument != "none" && argument != "wasm") { - std::cerr << "Valid arguments for --validate flag are 'wasm', 'web', and 'none'.\n"; - exit(1); - } - o->extra["validate"] = argument; - }) - .add("--debuginfo", "-g", "Emit names section and debug info", - Options::Arguments::Zero, - [&](Options *o, const std::string& arguments) { debugInfo = true; }) - .add("--source-map", "-sm", "Emit source map to the specified file", - Options::Arguments::One, - [&sourceMapFilename](Options *o, const std::string& argument) { sourceMapFilename = argument; }) - .add("--source-map-url", "-su", "Use specified string as source map URL", - Options::Arguments::One, - [&sourceMapUrl](Options *o, const std::string& argument) { sourceMapUrl = argument; }) - .add("--symbolmap", "-s", "Emit a symbol map (indexes => names)", - Options::Arguments::One, - [&](Options *o, const std::string& argument) { symbolMap = argument; }) - .add_positional("INFILE", Options::Arguments::One, - [](Options *o, const std::string& argument) { - o->extra["infile"] = argument; - }); + .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("--validate", + "-v", + "Control validation of the output module", + Options::Arguments::One, + [](Options* o, const std::string& argument) { + if (argument != "web" && argument != "none" && argument != "wasm") { + std::cerr << "Valid arguments for --validate flag are 'wasm', " + "'web', and 'none'.\n"; + exit(1); + } + o->extra["validate"] = argument; + }) + .add("--debuginfo", + "-g", + "Emit names section and debug info", + Options::Arguments::Zero, + [&](Options* o, const std::string& arguments) { debugInfo = true; }) + .add("--source-map", + "-sm", + "Emit source map to the specified file", + Options::Arguments::One, + [&sourceMapFilename](Options* o, const std::string& argument) { + sourceMapFilename = argument; + }) + .add("--source-map-url", + "-su", + "Use specified string as source map URL", + Options::Arguments::One, + [&sourceMapUrl](Options* o, const std::string& argument) { + sourceMapUrl = argument; + }) + .add("--symbolmap", + "-s", + "Emit a symbol map (indexes => names)", + Options::Arguments::One, + [&](Options* o, const std::string& argument) { symbolMap = argument; }) + .add_positional("INFILE", + Options::Arguments::One, + [](Options* o, const std::string& argument) { + o->extra["infile"] = argument; + }); options.parse(argc, argv); // default output is infile with changed suffix if (options.extra.find("output") == options.extra.end()) { - options.extra["output"] = removeSpecificSuffix(options.extra["infile"], ".wast") + ".wasm"; + options.extra["output"] = + removeSpecificSuffix(options.extra["infile"], ".wast") + ".wasm"; } - auto input(read_file<std::string>(options.extra["infile"], Flags::Text, options.debug ? Flags::Debug : Flags::Release)); + auto input( + read_file<std::string>(options.extra["infile"], + Flags::Text, + options.debug ? Flags::Debug : Flags::Release)); Module wasm; try { - if (options.debug) std::cerr << "s-parsing..." << std::endl; + if (options.debug) + std::cerr << "s-parsing..." << std::endl; SExpressionParser parser(const_cast<char*>(input.c_str())); Element& root = *parser.root; - if (options.debug) std::cerr << "w-parsing..." << std::endl; + if (options.debug) + std::cerr << "w-parsing..." << std::endl; SExpressionWasmBuilder builder(wasm, *root[0]); } catch (ParseException& p) { p.dump(std::cerr); @@ -94,15 +120,19 @@ int main(int argc, const char *argv[]) { options.applyFeatures(wasm); if (options.extra["validate"] != "none") { - if (options.debug) std::cerr << "Validating..." << std::endl; - if (!wasm::WasmValidator().validate(wasm, - WasmValidator::Globally | (options.extra["validate"] == "web" ? WasmValidator::Web : 0))) { + if (options.debug) + std::cerr << "Validating..." << std::endl; + if (!wasm::WasmValidator().validate( + wasm, + WasmValidator::Globally | + (options.extra["validate"] == "web" ? WasmValidator::Web : 0))) { WasmPrinter::printModule(&wasm); Fatal() << "Error: input module is not valid.\n"; } } - if (options.debug) std::cerr << "writing..." << std::endl; + if (options.debug) + std::cerr << "writing..." << std::endl; ModuleWriter writer; writer.setBinary(true); writer.setDebugInfo(debugInfo); @@ -115,5 +145,6 @@ int main(int argc, const char *argv[]) { } writer.write(wasm, options.extra["output"]); - if (options.debug) std::cerr << "Done." << std::endl; + if (options.debug) + std::cerr << "Done." << std::endl; } |