Examples of com.google.gwt.dev.jjs.impl.OptimizerStats

com.google.gwt.dev.jjs.impl.OptimizerStats
Stores statistics on the results of running an optimizer pass.

   * Static entry point used by JavaToJavaScriptCompiler.
   */
  public static OptimizerStats exec(JsProgram program) {
    Event optimizeJsEvent = SpeedTracerLogger.start(
        CompilerEventType.OPTIMIZE_JS, "duplicateXOremover", NAME);
    OptimizerStats stats = execImpl(program);
    optimizeJsEvent.end("didChange", "" + stats.didChange());
    return stats;
  }

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    return stats;
  }




  private static OptimizerStats execImpl(JsProgram program) {
    OptimizerStats stats = new OptimizerStats(NAME);
    DuplicateExecuteOnceRemover r = new DuplicateExecuteOnceRemover(program);
    r.accept(program);
    if (r.didChange()) {
      stats.recordModified();
    }
    return stats;
  }

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  public static final String NAME = JsUnusedFunctionRemover.class.getSimpleName();


  public static OptimizerStats exec(JsProgram program) {
    Event optimizeJsEvent =
        SpeedTracerLogger.start(CompilerEventType.OPTIMIZE_JS, "optimizer", NAME);
    OptimizerStats stats = new JsUnusedFunctionRemover(program).execImpl();
    optimizeJsEvent.end("didChange", "" + stats.didChange());
    return stats;
  }

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  public JsUnusedFunctionRemover(JsProgram program) {
    this.program = program;
  }


  public OptimizerStats execImpl() {
    OptimizerStats stats = new OptimizerStats(NAME);


    // Rescue all referenced functions.
    new RescueVisitor().accept(program);


    // Remove the unused functions from the JsProgram
    RemovalVisitor removalVisitor = new RemovalVisitor();
    removalVisitor.accept(program);


    if (removalVisitor.didChange()) {
      stats.recordModified();
    }
    return stats;
  }

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  }


  public static OptimizerStats exec(JsProgram program) {
    Event optimizeJsEvent = SpeedTracerLogger.start(
        CompilerEventType.OPTIMIZE_JS, "optimizer", NAME);
    OptimizerStats stats = new JsStaticEval(program).execImpl();
    optimizeJsEvent.end("didChange", "" + stats.didChange());
    return stats;
  }

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  }


  public OptimizerStats execImpl() {
    StaticEvalVisitor sev = new StaticEvalVisitor();
    sev.accept(program);
    OptimizerStats stats = new OptimizerStats(NAME);
    if (sev.didChange()) {
      stats.recordModified();
    }
    return stats;
  }

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   * Static entry point used by JavaToJavaScriptCompiler.
   */
  public static OptimizerStats exec(JsProgram program) {
    Event optimizeJsEvent = SpeedTracerLogger.start(
        CompilerEventType.OPTIMIZE_JS, "optimizer", NAME);
    OptimizerStats stats = execImpl(program);
    optimizeJsEvent.end("didChange", "" + stats.didChange());
    return stats;
  }

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  /**
   * @param program
   * @return
   */
  private static OptimizerStats execImpl(JsProgram program) {
    OptimizerStats stats = new OptimizerStats(NAME);
    RedefinedFunctionCollector d = new RedefinedFunctionCollector();
    d.accept(program);


    RecursionCollector rc = new RecursionCollector();
    rc.accept(program);


    InliningVisitor v = new InliningVisitor(program);
    v.blacklist(d.getRedefined());
    v.blacklist(rc.getRecursive());
    v.accept(program);
    if (v.didChange()) {
      stats.recordModified();
    }


    DuplicateXORemover r = new DuplicateXORemover(program);
    r.accept(program);
    if (r.didChange()) {
      stats.recordModified();
    }
    return stats;
  }

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      if (Thread.interrupted()) {
        optimizeEvent.end();
        throw new InterruptedException();
      }
      AstDumper.maybeDumpAST(jprogram);
      OptimizerStats stats = optimizeLoop("Pass " + counter, jprogram,
          options.isAggressivelyOptimize());
      allOptimizerStats.add(stats);
      if (!stats.didChange()) {
        break;
      }
    }


    if (options.isAggressivelyOptimize()) {
      // Just run it once, because it is very time consuming
      allOptimizerStats.add(DataflowOptimizer.exec(jprogram));
    }


    if (JProgram.isTracingEnabled()) {
      System.out.println("");
      System.out.println("                Java Optimization Stats");
      System.out.println("");
      for (OptimizerStats stats : allOptimizerStats) {
        System.out.println(stats.prettyPrint());
      }
    }


    optimizeEvent.end();
  }

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      if (Thread.interrupted()) {
        throw new InterruptedException();
      }
      Event optimizeJsEvent = SpeedTracerLogger.start(CompilerEventType.OPTIMIZE_JS);


      OptimizerStats stats = new OptimizerStats("Pass " + counter);


      // Remove unused functions, possible
      stats.add(JsStaticEval.exec(jsProgram));
      // Inline JavaScript function invocations
      stats.add(JsInliner.exec(jsProgram));
      // Remove unused functions, possible
      stats.add(JsUnusedFunctionRemover.exec(jsProgram));


      // Save the stats to print out after optimizers finish.
      allOptimizerStats.add(stats);


      optimizeJsEvent.end();
      int optimizationLevel = options.getOptimizationLevel();
      if ((optimizationLevel < OptionOptimize.OPTIMIZE_LEVEL_MAX && counter > optimizationLevel)
          || !stats.didChange()) {
        break;
      }
    }


    if (JProgram.isTracingEnabled()) {
      System.out.println("");
      System.out.println("               JavaScript Optimization Stats");
      System.out.println("");
      for (OptimizerStats stats : allOptimizerStats) {
        System.out.println(stats.prettyPrint());
      }
    }
  }

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Related Classes of com.google.gwt.dev.jjs.impl.OptimizerStats

com.google.gwt.dev.jjs.impl.gflow.DataflowOptimizer

com.google.gwt.dev.jjs.JavaToJavaScriptCompiler

com.google.gwt.dev.jjs.JavaToJavaScriptCompiler$PermutationCompiler

com.google.gwt.dev.js.DuplicateExecuteOnceRemover

com.google.gwt.dev.js.JsInliner

com.google.gwt.dev.js.JsStaticEval

com.google.gwt.dev.js.JsUnusedFunctionRemover

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