Remove s2wasm (#1607)

s2wasm is no longer used my emscripten and as far as I know now
as no other users.

1 files changed, 0 insertions, 281 deletions

diff --git a/src/tools/s2wasm.cpp b/src/tools/s2wasm.cpp
deleted file mode 100644
index dc6b1f38f..000000000
--- a/src/tools/s2wasm.cpp
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * 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.
- */
-
-//
-// s2wasm console tool
-//
-
-#include <exception>
-
-#include "ir/trapping.h"
-#include "support/colors.h"
-#include "support/command-line.h"
-#include "support/file.h"
-#include "s2wasm.h"
-#include "wasm-emscripten.h"
-#include "wasm-io.h"
-#include "wasm-linker.h"
-#include "wasm-printing.h"
-#include "wasm-validator.h"
-
-using namespace cashew;
-using namespace wasm;
-
-int main(int argc, const char *argv[]) {
-  bool ignoreUnknownSymbols = false;
-  bool generateEmscriptenGlue = false;
-  bool allowMemoryGrowth = false;
-  bool importMemory = false;
-  bool emitBinary = false;
-  bool debugInfo = false;
-  std::string startFunction;
-  std::string sourceMapFilename;
-  std::string sourceMapUrl;
-  std::string symbolMap;
-  std::vector<std::string> archiveLibraries;
-  TrapMode trapMode = TrapMode::Allow;
-  unsigned numReservedFunctionPointers = 0;
-  Options options("s2wasm", "Link .s file into .wast");
-  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("--ignore-unknown", "", "Ignore unknown symbols",
-           Options::Arguments::Zero,
-           [&ignoreUnknownSymbols](Options *, const std::string& ) {
-             ignoreUnknownSymbols = true;
-           })
-      .add("--start", "", "Generate the start method (default: main)",
-           Options::Arguments::Optional,
-           [&startFunction](Options *, const std::string& argument) {
-             startFunction = argument.size() ? argument : "main";
-           })
-      .add("--global-base", "", "Where to start to place globals",
-           Options::Arguments::One,
-           [](Options *o, const std::string& argument) {
-             o->extra["global-base"] = argument;
-           })
-      .add("--allocate-stack", "-s", "Size of the user stack in linear memory",
-           Options::Arguments::One,
-           [](Options *o, const std::string& argument) {
-             o->extra["stack-allocation"] = argument;
-           })
-      .add("--initial-memory", "-i", "Initial size of the linear memory",
-           Options::Arguments::One,
-           [](Options *o, const std::string& argument) {
-             o->extra["initial-memory"] = argument;
-           })
-      .add("--max-memory", "-m", "Maximum size of the linear memory",
-           Options::Arguments::One,
-           [](Options *o, const std::string& argument) {
-             o->extra["max-memory"] = argument;
-           })
-      .add("--allow-memory-growth", "", "Allow linear memory to grow at runtime",
-           Options::Arguments::Zero,
-           [&allowMemoryGrowth](Options *, const std::string& ) {
-             allowMemoryGrowth = true;
-           })
-      .add("--trap-mode", "",
-           "Strategy for handling potentially trapping instructions. Valid "
-             "values are \"allow\", \"js\", and \"clamp\"",
-           Options::Arguments::One,
-           [&trapMode](Options *o, const std::string& argument) {
-             try {
-               trapMode = trapModeFromString(argument);
-             } catch (std::invalid_argument& e) {
-               std::cerr << "Error: " << e.what() << "\n";
-               exit(EXIT_FAILURE);
-             }
-           })
-      .add("--emscripten-glue", "-e", "Generate emscripten glue",
-           Options::Arguments::Zero,
-           [&generateEmscriptenGlue](Options *, const std::string& ) {
-             generateEmscriptenGlue = true;
-           })
-      .add("--import-memory", "", "Import the linear memory instead of exporting it",
-           Options::Arguments::Zero,
-           [&importMemory](Options *, const std::string& ) {
-             importMemory = true;
-           })
-      .add("--library", "-l", "Add archive library",
-           Options::Arguments::N,
-           [&archiveLibraries](Options *o, const std::string& argument) {
-             archiveLibraries.push_back(argument);
-           })
-      .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("--emscripten-reserved-function-pointers", "",
-           "Number of reserved function pointers for emscripten addFunction "
-           "support",
-           Options::Arguments::One,
-           [&numReservedFunctionPointers](Options *o,
-                                          const std::string &argument) {
-             numReservedFunctionPointers = std::stoi(argument);
-           })
-      .add("--emit-binary", "",
-           "Emit binary instead of text for the output file",
-           Options::Arguments::Zero,
-           [&emitBinary](Options *, const std::string &) {
-             emitBinary = true;
-           })
-      .add("--debuginfo", "-g",
-           "Emit names section in wasm binary (or full debuginfo in wast)",
-           Options::Arguments::Zero,
-           [&debugInfo](Options *, const std::string &) {
-             debugInfo = true;
-           })
-      .add("--source-map", "-sm",
-           "Emit source map (if using binary output) to the specified file",
-           Options::Arguments::One,
-           [&sourceMapFilename](Options *, const std::string& argument) {
-             sourceMapFilename = argument;
-           })
-      .add("--source-map-url", "-su",
-           "Use specified string as source map URL",
-           Options::Arguments::One,
-           [&sourceMapUrl](Options *, const std::string& argument) {
-             sourceMapUrl = argument;
-           })
-      .add("--symbolmap", "-s",
-           "Emit a symbol map (indexes => names)",
-           Options::Arguments::One,
-           [&symbolMap](Options *, 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);
-
-  if (options.extra["output"].size() == 0) {
-    // when no output file is specified, we emit text to stdout
-    emitBinary = false;
-  }
-
-  if (allowMemoryGrowth && !generateEmscriptenGlue) {
-    Fatal() << "Error: adding memory growth code without Emscripten glue. "
-      "This doesn't do anything.\n";
-  }
-
-  auto debugFlag = options.debug ? Flags::Debug : Flags::Release;
-  auto input(read_file<std::string>(options.extra["infile"], Flags::Text, debugFlag));
-
-  if (options.debug) std::cerr << "Parsing and wasming..." << std::endl;
-  uint64_t globalBase = options.extra.find("global-base") != options.extra.end()
-                          ? std::stoull(options.extra["global-base"])
-                          : 0;
-  uint64_t stackAllocation =
-      options.extra.find("stack-allocation") != options.extra.end()
-          ? std::stoull(options.extra["stack-allocation"])
-          : 0;
-  uint64_t initialMem =
-      options.extra.find("initial-memory") != options.extra.end()
-          ? std::stoull(options.extra["initial-memory"])
-          : 0;
-  uint64_t maxMem =
-      options.extra.find("max-memory") != options.extra.end()
-          ? std::stoull(options.extra["max-memory"])
-          : 0;
-  if (options.debug) std::cerr << "Global base " << globalBase << '\n';
-
-  Linker linker(globalBase, stackAllocation, initialMem, maxMem,
-                importMemory || generateEmscriptenGlue, ignoreUnknownSymbols, startFunction,
-                options.debug);
-
-  S2WasmBuilder mainbuilder(input.c_str(), options.debug);
-  linker.linkObject(mainbuilder);
-
-  if (trapMode != TrapMode::Allow) {
-    Module* wasm = &(linker.getOutput().wasm);
-    PassRunner runner(wasm);
-    addTrapModePass(runner, trapMode);
-    runner.run();
-  }
-
-  for (const auto& m : archiveLibraries) {
-    auto archiveFile(read_file<std::vector<char>>(m, Flags::Binary, debugFlag));
-    bool error;
-    Archive lib(archiveFile, error);
-    if (error) Fatal() << "Error opening archive " << m << "\n";
-    linker.linkArchive(lib);
-  }
-
-  linker.layout();
-
-  std::string metadata;
-  Module& wasm = linker.getOutput().wasm;
-  if (generateEmscriptenGlue) {
-    if (options.debug) {
-      std::cerr << "Emscripten gluing..." << std::endl;
-      WasmPrinter::printModule(&wasm, std::cerr);
-    }
-    metadata = emscriptenGlue(
-      wasm,
-      allowMemoryGrowth,
-      linker.getStackPointerAddress(),
-      linker.getStaticBump(),
-      linker.getOutput().getInitializerFunctions(),
-      numReservedFunctionPointers);
-  }
-
-  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))) {
-      WasmPrinter::printModule(&wasm);
-      Fatal() << "Error: linked module is not valid.\n";
-    }
-  }
-
-  if (options.debug) std::cerr << "Printing..." << std::endl;
-  auto outputDebugFlag = options.debug ? Flags::Debug : Flags::Release;
-  auto outputBinaryFlag = emitBinary ? Flags::Binary : Flags::Text;
-  Output output(options.extra["output"], outputBinaryFlag, outputDebugFlag);
-
-  ModuleWriter writer;
-  writer.setDebug(options.debug);
-  writer.setDebugInfo(debugInfo);
-  writer.setSymbolMap(symbolMap);
-  writer.setBinary(emitBinary);
-  if (emitBinary) {
-    writer.setSourceMapFilename(sourceMapFilename);
-    writer.setSourceMapUrl(sourceMapUrl);
-  }
-  writer.write(wasm, output);
-
-  if (generateEmscriptenGlue) {
-    if (emitBinary) {
-      std::cout << metadata;
-    } else {
-      output << ";; METADATA: " << metadata;
-    }
-  }
-
-  if (options.debug) std::cerr << "Done." << std::endl;
-  return 0;
-}