jsc.ts

///<reference path='bld/j2me-jsc.d.ts' />

var jsGlobal = (function() { return this || (1, eval)('this'); })();

if (!jsGlobal.performance) {
  jsGlobal.performance = {};
}

if (!jsGlobal.performance.now) {
  jsGlobal.performance.now = typeof dateNow !== 'undefined' ? dateNow : Date.now;
}

console.info = function (c) {
  putstr(String.fromCharCode(c));
};

console.error = function (c) {
  putstr(String.fromCharCode(c));
};

declare var load: (string) => void;

// Overwrite the shell's |quit| method because emscripten generated code calls it prematurely and we
// don't want to exit.
function quit() {}

load("bld/native.js"); // Load before we polyfill the window object.

var CC = {};

// Define objects and functions that j2me.js expects
// but are unavailable in the shell environment.

jsGlobal.window = {
  nextTickBeforeEvents: function(callback) {
    callback();
  },
  addEventListener: function() {
  },
  crypto: {
    getRandomValues: function() {
    },
  },
};

jsGlobal.navigator = {
  language: "en-US",
};

jsGlobal.document = {
  documentElement: {
    classList: {
      add: function() {
      },
    },
  },
  querySelector: function() {
    return {
      addEventListener: function() {
      },
    };
  },
  getElementById: function() {
    return {
      addEventListener: function() {
      },
      getContext: function() {
      },
      getBoundingClientRect: function() {
        return { top: 0, left: 0, width: 0, height: 0 };
      }
    };
  },
  addEventListener: function() {
  },
};

jsGlobal.config = {
  logConsole: "native",
  args: "",
};

jsGlobal.Promise = function() {
}

module J2ME {
  declare var process, require, global, quit, help, scriptArgs, arguments, snarf, ZipFile, JARStore;

  var isNode = typeof process === 'object';
  var writer: IndentingWriter;
  var rootPath = "";

  function loadFiles(...files: string[]) {
    for (var i = 0; i < files.length; i++) {
      load(rootPath + files[i]);
    }
  }

  loadFiles("blackBox.js", "libs/encoding.js", "bld/j2me-jsc.js", "libs/zipfile.js",
            "libs/jarstore.js", "util.js");

  phase = ExecutionPhase.Compiler;

  writer = new IndentingWriter();

  var verboseOption: Options.Option;
  var classpathOption: Options.Option;
  var callGraphOption: Options.Option;
  var jarFileFilterOption: Options.Option;
  var classFileFilterOption: Options.Option;
  var classFilterOption: Options.Option;
  var methodFilterOption: Options.Option;
  var methodFileFilterOption: Options.Option;
  var fileFilterOption: Options.Option;
  var debuggerOption: Options.Option;
  var releaseOption: Options.Option;


  function main(commandLineArguments: string []) {
    var options = new Options.OptionSet("J2ME");
    var shellOptions = options.register(new Options.OptionSet(""));

    verboseOption = shellOptions.register(new Options.Option("v", "verbose", "boolean", false, "Verbose"));
    classpathOption = shellOptions.register(new Options.Option("cp", "classpath", "string []", [], "Compile ClassPath"));
    callGraphOption = shellOptions.register(new Options.Option("cg", "callGraph", "string []", [], "Call Grpah Files"));


    jarFileFilterOption = shellOptions.register(new Options.Option("jf", "jarFileFilter", "string", "", "Compile Jar File Filter"));
    classFileFilterOption = shellOptions.register(new Options.Option("cff", "classFileFilter", "string", "", "Compile Class File Filter"));
    methodFileFilterOption = shellOptions.register(new Options.Option("mff", "methodFileFilter", "string", "", "Compile Metgod File Filter"));
    classFilterOption = shellOptions.register(new Options.Option("cf", "classFilter", "string", ".*", "Compile Class Filter"));
    methodFilterOption = shellOptions.register(new Options.Option("mf", "methodFilter", "string", "", "Compile Method Filter"));

    fileFilterOption = shellOptions.register(new Options.Option("ff", "fileFilter", "string", ".*", "Compile File Filter"));
    debuggerOption = shellOptions.register(new Options.Option("d", "debugger", "boolean", false, "Emit Debug Information"));
    releaseOption = shellOptions.register(new Options.Option("r", "release", "boolean", false, "Release mode"));

    var argumentParser = new Options.ArgumentParser();
    argumentParser.addBoundOptionSet(shellOptions);

    function printUsage() {
      writer.enter("J2ME Command Line Interface");
      options.trace(writer);
      writer.leave("");
    }

    argumentParser.addArgument("h", "help", "boolean", {
      parse: function (x) {
        printUsage();
      }
    });

    var files = [];

    // Try and parse command line arguments.

    try {
      argumentParser.parse(commandLineArguments);
      classpathOption.value.filter(function (value, index, array) {
        if (value.endsWith(".jar")) {
          files.push(value);
        } else {
          return true;
        }
      });

      callGraphOption.value.filter(function (value, index, array) {
        if (value.endsWith(".json")) {
          var calls = JSON.parse(snarf(value));
          var Y = {};
          Y["java/io/ByteArrayOutputStream.write.(I)V"] = true;
          var changed = true;
          while (changed) {
            changed = false;
            for (var k in calls) {
              if (Y[k]) {
                continue;
              }
              for (var z in Y) {
                if (calls[k].indexOf(z) >= 0) {
                  Y[k] = true;
                  changed = true;
                  break;
                }
              }
            }
          }
          writer.writeLn(JSON.stringify(Y, null, 2));
        } else {
          return true;
        }
      });
    } catch (x) {
      writer.writeLn(x.message);
      writer.writeLns(x.stack);
      quit();
    }

    var jarFiles = Object.create(null);

    var jvm = new JVM();
    for (var i = 0; i < files.length; i++) {
      var file = files[i];
      if (file.endsWith(".jar")) {
        if (verboseOption.value) {
          writer.writeLn("Loading: " + file);
        }
        var data = snarf(file, "binary").buffer
        JARStore.addBuiltIn(file, data);
        jarFiles[file] = new ZipFile(data);
      }
    }
    CLASSES.initializeBuiltinClasses();
    if (verboseOption.value) {
      writer.writeLn("Compiling Pattern: " + classFilterOption.value + " " + classFileFilterOption.value + " " + methodFileFilterOption.value);
    }
    var classNameList;
    if (classFileFilterOption.value) {
      var file;
      try {
        file = snarf(classFileFilterOption.value, "text");
      } catch (e) {

      }
      if (file) {
        classNameList = file.replace(/\r?\n/g, "\n").split("\n");
      }
    }
    var methodFilterList = null;
    if (methodFileFilterOption.value) {
      var file;
      try {
        file = snarf(methodFileFilterOption.value, "text");
      } catch (e) {

      }
      if (file) {
        methodFilterList = [];
        var lines = file.replace(/\r?\n/g, "\n").split("\n");
        for (var i = 0; i < lines.length; i++) {
          // Trim Whitespace
          var line = lines[i].replace(/^\s+|\s+$/g, "");
          if (line === "") {
            continue;
          }
          methodFilterList.push(line);
        }
      }
    }

    function jarFilter(file): boolean {
      if (jarFileFilterOption.value) {
        return file === jarFileFilterOption.value;
      }
      return true;
    }
    function classFilter(classInfo: ClassInfo): boolean {
      if (classNameList) {
        return classNameList.indexOf(classInfo.getClassNameSlow()) >= 0;
      } else if (classFilterOption.value) {
        return !!classInfo.getClassNameSlow().match(classFilterOption.value);
      }
      return false;
    }
    if (methodFilterOption.value) {
      methodFilterList = [methodFilterOption.value];
    }

    stdoutWriter.writeLn("var start = performance.now();");
    compile(jvm, jarFiles, jarFilter, classFilter, methodFilterList, fileFilterOption.value, debuggerOption.value);
    stdoutWriter.writeLn("console.log(\"Loaded " + jarFileFilterOption.value + " in \" + (performance.now() - start).toFixed(2) + \" ms.\");");
    if (methodFilterList !== null && methodFilterList.length) {
      stderrWriter.enter("The following method(s) in the method filter list failed to compile or were not found:");
      for (var i = 0; i < methodFilterList.length; i++) {
        stderrWriter.errorLn(methodFilterList[i]);
      }
      stderrWriter.leave("");
    }
    if (verboseOption.value) {
      // ...
    }
  }

  var commandLineArguments: string [];
  // Shell Entry Point
  if (typeof help === "function") {
    // SpiderMonkey
    if (typeof scriptArgs === "undefined") {
      commandLineArguments = arguments;
    } else {
      commandLineArguments = scriptArgs;
    }
  } else if (isNode) {
    // node.js
    var commandLineArguments: string[] =
      Array.prototype.slice.call(process.argv, 2);
  }

  main(commandLineArguments);
}