Examples of com.google.gwt.dev.js.ast.JsName

com.google.gwt.dev.js.ast.JsName
An abstract base class for named JavaScript objects.

    /**
     * Generate a name reference to the early-exit variable for a given block,
     * possibly allocating a new variable.
     */
    private JsNameRef earlyExitRef(JsBlock x) {
      JsName earlyExitName = finallyBlocksToExitVariables.get(x);
      if (earlyExitName == null) {
        earlyExitName = currentFunction.getScope().declareName(
            "JsStackEmulator_exitingEarly"
                + finallyBlocksToExitVariables.size(), "exitingEarly");


        finallyBlocksToExitVariables = Maps.put(finallyBlocksToExitVariables,
            x, earlyExitName);
        JsVar var = new JsVar(x.getSourceInfo(), earlyExitName);
        varsToAdd = Lists.add(varsToAdd, var);
      }
      return earlyExitName.makeRef(x.getSourceInfo());
    }

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       */
      SourceInfo info = x.getSourceInfo().makeChild(JsStackEmulator.class,
          "Synthetic catch block to fix stack depth");


      JsCatch c = new JsCatch(info, currentFunction.getScope(), "e");
      JsName paramName = c.getParameter().getName();


      // caught(e)
      JsInvocation caughtCall = new JsInvocation(info);
      caughtCall.setQualifier(caughtFunction.getName().makeRef(info));
      caughtCall.getArguments().add(paramName.makeRef(info));


      // e = caught(e)
      JsBinaryOperation asg = new JsBinaryOperation(info, JsBinaryOperator.ASG,
          paramName.makeRef(info), caughtCall);


      // throw e
      JsThrow throwStatement = new JsThrow(info, paramName.makeRef(info));


      JsBlock body = new JsBlock(info);
      body.getStatements().add(asg.makeStmt());
      body.getStatements().add(throwStatement);
      c.setBody(body);

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    private final JsName rootLineNumbers = program.getRootScope().findExistingUnobfuscatableName(
        "$location");


    @Override
    public void endVisit(JsNameRef x, JsContext<JsExpression> ctx) {
      JsName name = x.getName();
      JsNameRef newRef = null;


      if (name == rootStack) {
        newRef = stack.makeRef(x.getSourceInfo());
      } else if (name == rootStackDepth) {

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    @Override
    public void resolve(JsNameRef x) {
      // Only resolve unqualified names
      if (x.getQualifier() == null) {
        JsName name = getScope().findExistingName(x.getIdent());


        // Ensure that we're resolving a name from the function's parameters
        if (name != null
            && jsFunction.getParameters().contains(name.getStaticRef())) {
          x.resolve(name);
        }
      }
    }

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      throws UnableToCompleteException {
    logger = logger.branch(TreeLogger.DEBUG, "Attempting to optimize JS", null);
    Reader r = new StringReader(program);
    JsProgram jsProgram = new JsProgram();
    JsScope topScope = jsProgram.getScope();
    JsName funcName = topScope.declareName(getModuleFunctionName());
    funcName.setObfuscatable(false);


    try {
      SourceInfo sourceInfo = jsProgram.createSourceInfoSynthetic(
          StandardLinkerContext.class, "Linker-derived JS");
      JsParser.parseInto(sourceInfo, topScope, jsProgram.getGlobalBlock(), r);

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        final JsFunction func = body.getFunc();


        new JsVisitor() {
          @Override
          public void endVisit(JsNameRef nameRef, JsContext<JsExpression> ctx) {
            JsName ident = nameRef.getName();


            if (ident != null) {
              // If we're referencing a parameter, rescue the associated
              // JParameter
              int index = func.getParameters().indexOf(ident.getStaticRef());
              if (index != -1) {
                rescue(x.getParams().get(index));
              }
            }
          }

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    generator.accept(program);
    final Map<JsName, JMethod> nameToMethodMap = new HashMap<JsName, JMethod>();
    final HashMap<JsName, JField> nameToFieldMap = new HashMap<JsName, JField>();
    final HashMap<JsName, JReferenceType> constructorNameToTypeMap = new HashMap<JsName, JReferenceType>();
    for (JDeclaredType type : program.getDeclaredTypes()) {
      JsName typeName = names.get(type);
      if (typeName != null) {
        constructorNameToTypeMap.put(typeName, type);
      }
      for (JField field : type.getFields()) {
        if (field.isStatic()) {
          JsName fieldName = names.get(field);
          if (fieldName != null) {
            nameToFieldMap.put(fieldName, field);
          }
        }
      }
      for (JMethod method : type.getMethods()) {
        JsName methodName = names.get(method);
        if (methodName != null) {
          nameToMethodMap.put(methodName, method);
        }
      }
    }

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   */
  public List<JsStatement> createCallsToEntryMethods(int splitPoint) {
    List<JsStatement> callStats = new ArrayList<JsStatement>(
        jprogram.entryMethods.size());
    for (JMethod entryMethod : jprogram.entryMethods.get(splitPoint)) {
      JsName name = map.nameForMethod(entryMethod);
      assert name != null;
      SourceInfo sourceInfo = jsprogram.getSourceInfo().makeChild(
          FragmentExtractor.class, "call to entry function " + splitPoint);
      JsInvocation call = new JsInvocation(sourceInfo);
      call.setQualifier(name.makeRef(sourceInfo));
      callStats.add(call.makeStmt());
    }
    return callStats;
  }

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   * {@link com.google.gwt.core.client.impl.AsyncFragmentLoader#leftoversFragmentHasLoaded()}
   * .
   */
  public List<JsStatement> createCallToLeftoversFragmentHasLoaded() {
    JMethod loadedMethod = jprogram.getIndexedMethod("AsyncFragmentLoader.browserLoaderLeftoversFragmentHasLoaded");
    JsName loadedMethodName = map.nameForMethod(loadedMethod);
    SourceInfo sourceInfo = jsprogram.getSourceInfo().makeChild(
        FragmentExtractor.class,
        "call to browserLoaderLeftoversFragmentHasLoaded ");
    JsInvocation call = new JsInvocation(sourceInfo);
    call.setQualifier(loadedMethodName.makeRef(sourceInfo));
    List<JsStatement> newStats = Collections.<JsStatement> singletonList(call.makeStmt());
    return newStats;
  }

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  }


  private void buildEntryMethodSet() {
    entryMethodNames = new HashSet<JsName>();
    for (JMethod entryMethod : jprogram.getAllEntryMethods()) {
      JsName name = map.nameForMethod(entryMethod);
      assert name != null;
      entryMethodNames.add(name);
    }


    JMethod leftoverFragmentLoaded = jprogram.getIndexedMethod("AsyncFragmentLoader.browserLoaderLeftoversFragmentHasLoaded");
    if (leftoverFragmentLoaded != null) {
      JsName name = map.nameForMethod(leftoverFragmentLoaded);
      assert name != null;
      entryMethodNames.add(name);
    }
  }

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