Examples of com.google.gwt.dev.js.rhino.Node

com.google.gwt.dev.js.rhino.Node
This class implements the root of the intermediate representation. @author Norris Boyd @author Mike McCabe

      // Parse using the Rhino parser.
      //
      TokenStream ts = new TokenStream(r, rootSourceInfo.getFileName(),
          rootSourceInfo.getStartLine());
      Parser parser = new Parser(new IRFactory(ts));
      Node topNode = (Node) parser.parse(ts);


      // Map the Rhino AST to ours.
      pushScope(scope, rootSourceInfo);
      List<JsStatement> stmts = mapStatements(topNode);
      popScope();

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    }
  }


  private JsArrayLiteral mapArrayLit(Node node) throws JsParserException {
    JsArrayLiteral toLit = new JsArrayLiteral(makeSourceInfo(node));
    Node from = node.getFirstChild();
    while (from != null) {
      toLit.getExpressions().add(mapExpression(from));
      from = from.getNext();
    }
    return toLit;
  }

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    }
  }


  private JsExpression mapBinaryOperation(JsBinaryOperator op, Node node)
      throws JsParserException {
    Node from1 = node.getFirstChild();
    Node from2 = from1.getNext();


    JsExpression to1 = mapExpression(from1);
    JsExpression to2 = mapExpression(from2);


    return new JsBinaryOperation(makeSourceInfo(node), op, to1, to2);

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    popSourceInfo();
    return block;
  }


  private JsBreak mapBreak(Node breakNode) {
    Node fromLabel = breakNode.getFirstChild();
    if (fromLabel != null) {
      return new JsBreak(makeSourceInfo(breakNode), mapName(fromLabel));
    } else {
      return new JsBreak(makeSourceInfo(breakNode));
    }

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  private JsInvocation mapCall(Node callNode) throws JsParserException {
    JsInvocation invocation = new JsInvocation(makeSourceInfo(callNode));


    // Map the target expression.
    //
    Node from = callNode.getFirstChild();
    JsExpression to = mapExpression(from);
    invocation.setQualifier(to);


    // Iterate over and map the arguments.
    //
    List<JsExpression> args = invocation.getArguments();
    from = from.getNext();
    while (from != null) {
      to = mapExpression(from);
      args.add(to);
      from = from.getNext();
    }


    return invocation;
  }

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  }


  private JsExpression mapConditional(Node condNode) throws JsParserException {
    JsConditional toCond = new JsConditional(makeSourceInfo(condNode));


    Node fromTest = condNode.getFirstChild();
    toCond.setTestExpression(mapExpression(fromTest));


    Node fromThen = fromTest.getNext();
    toCond.setThenExpression(mapExpression(fromThen));


    Node fromElse = fromThen.getNext();
    toCond.setElseExpression(mapExpression(fromElse));


    return toCond;
  }

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    return toCond;
  }


  private JsContinue mapContinue(Node contNode) {
    Node fromLabel = contNode.getFirstChild();
    if (fromLabel != null) {
      return new JsContinue(makeSourceInfo(contNode), mapName(fromLabel));
    } else {
      return new JsContinue(makeSourceInfo(contNode));
    }

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    //
    return program.getDebuggerStmt();
  }


  private JsExpression mapDeleteProp(Node node) throws JsParserException {
    Node from = node.getFirstChild();
    JsExpression to = mapExpression(from);
    if (to instanceof JsNameRef) {
      return new JsPrefixOperation(makeSourceInfo(node),
          JsUnaryOperator.DELETE, to);
    } else if (to instanceof JsArrayAccess) {

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  private JsStatement mapDoOrWhileStatement(boolean isWhile, Node ifNode)
      throws JsParserException {


    // Pull out the pieces we want to map.
    //
    Node fromTestExpr;
    Node fromBody;
    if (isWhile) {
      fromTestExpr = ifNode.getFirstChild();
      fromBody = ifNode.getFirstChild().getNext();
    } else {
      fromBody = ifNode.getFirstChild();

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    popSourceInfo();
    return expr.makeStmt();
  }


  private JsStatement mapForStatement(Node forNode) throws JsParserException {
    Node fromInit = forNode.getFirstChild();
    Node fromTest = fromInit.getNext();
    Node fromIncr = fromTest.getNext();
    Node fromBody = fromIncr.getNext();


    if (fromBody == null) {
      // This could be a "for...in" structure.
      // We could based on the different child layout.
      //
      Node fromIter = forNode.getFirstChild();
      Node fromObjExpr = fromIter.getNext();
      fromBody = fromObjExpr.getNext();


      JsForIn toForIn;
      if (fromIter.getType() == TokenStream.VAR) {
        // A named iterator var.
        //
        Node fromIterVarName = fromIter.getFirstChild();
        String fromName = fromIterVarName.getString();
        JsName toName = getScope().declareName(fromName);
        toForIn = new JsForIn(makeSourceInfo(forNode), toName);
        Node fromIterInit = fromIterVarName.getFirstChild();
        if (fromIterInit != null) {
          // That has an initializer expression (useful only for side effects).
          //
          toForIn.setIterExpr(mapOptionalExpression(fromIterInit));
        }

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Related Classes of com.google.gwt.dev.js.rhino.Node

com.google.gwt.dev.js.JsParser

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