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

com.google.gwt.dev.js.ast.JsIf
Represents a JavaScript if statement.

          modName.makeRef());
      body.getStatements().add(asg.makeStmt());
      asg = createAssignment(topScope.findExistingUnobfuscatableName(
          "$moduleBase").makeRef(), modBase.makeRef());
      body.getStatements().add(asg.makeStmt());
      JsIf jsIf = new JsIf();
      body.getStatements().add(jsIf);
      jsIf.setIfExpr(errFn.makeRef());
      JsTry jsTry = new JsTry();
      jsIf.setThenStmt(jsTry);
      JsBlock callBlock = new JsBlock();
      jsIf.setElseStmt(callBlock);
      jsTry.setTryBlock(callBlock);
      for (int i = 0; i < entryFuncs.size(); ++i) {
        JsFunction func = entryFuncs.get(i);
        if (func != null) {
          JsInvocation call = new JsInvocation();

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    Node fromThenBlock = ifNode.getFirstChild().getNext();
    Node fromElseBlock = ifNode.getFirstChild().getNext().getNext();


    // Create the "if" statement we're mapping to.
    //
    JsIf toIf = new JsIf(makeSourceInfo(ifNode));


    // Map the test expression.
    //
    JsExpression toTestExpr = mapExpression(fromTestExpr);
    toIf.setIfExpr(toTestExpr);


    // Map the "then" block.
    //
    toIf.setThenStmt(mapStatement(fromThenBlock));


    // Map the "else" block.
    //
    if (fromElseBlock != null) {
      toIf.setElseStmt(mapStatement(fromElseBlock));
    }


    return toIf;
  }

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      throw new InternalCompilerException("Should not get here.");
    }


    @Override
    public void endVisit(JIfStatement x, Context ctx) {
      JsIf stmt = new JsIf();


      if (x.getElseStmt() != null) {
        stmt.setElseStmt((JsStatement) pop()); // elseStmt
      }


      if (x.getThenStmt() != null) {
        stmt.setThenStmt((JsStatement) pop()); // thenStmt
      } else {
        stmt.setThenStmt(jsProgram.getEmptyStmt());
      }


      stmt.setIfExpr((JsExpression) pop()); // ifExpr
      push(stmt);
    }

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          modName.makeRef());
      body.getStatements().add(asg.makeStmt());
      asg = createAssignment(topScope.findExistingUnobfuscatableName(
          "$moduleBase").makeRef(), modBase.makeRef());
      body.getStatements().add(asg.makeStmt());
      JsIf jsIf = new JsIf();
      body.getStatements().add(jsIf);
      jsIf.setIfExpr(errFn.makeRef());
      JsTry jsTry = new JsTry();
      jsIf.setThenStmt(jsTry);
      JsBlock callBlock = new JsBlock();
      jsIf.setElseStmt(callBlock);
      jsTry.setTryBlock(callBlock);
      for (int i = 0; i < entryFuncs.size(); ++i) {
        JsFunction func = entryFuncs.get(i);
        if (func != null) {
          JsInvocation call = new JsInvocation();

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      throw new InternalCompilerException("Should not get here.");
    }


    @Override
    public void endVisit(JIfStatement x, Context ctx) {
      JsIf stmt = new JsIf(x.getSourceInfo());


      if (x.getElseStmt() != null) {
        stmt.setElseStmt((JsStatement) pop()); // elseStmt
      }


      if (x.getThenStmt() != null) {
        stmt.setThenStmt((JsStatement) pop()); // thenStmt
      } else {
        stmt.setThenStmt(new JsEmpty(x.getSourceInfo()));
      }


      stmt.setIfExpr((JsExpression) pop()); // ifExpr
      push(stmt);
    }

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    Node fromThenBlock = ifNode.getFirstChild().getNext();
    Node fromElseBlock = ifNode.getFirstChild().getNext().getNext();


    // Create the "if" statement we're mapping to.
    //
    JsIf toIf = new JsIf(makeSourceInfo(ifNode));


    // Map the test expression.
    //
    JsExpression toTestExpr = mapExpression(fromTestExpr);
    toIf.setIfExpr(toTestExpr);


    // Map the "then" block.
    //
    toIf.setThenStmt(mapStatement(fromThenBlock));


    // Map the "else" block.
    //
    if (fromElseBlock != null) {
      toIf.setElseStmt(mapStatement(fromElseBlock));
    }


    return toIf;
  }

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        ctx.replaceMe(accept(op.makeStmt()));
      } else if (thenIsEmpty && !elseIsEmpty) {
        // Convert "if (a()) {} else {stuff}" => "if (!a()) {stuff}".
        JsUnaryOperation negatedOperation = new JsPrefixOperation(
            x.getSourceInfo(), JsUnaryOperator.NOT, x.getIfExpr());
        JsIf newIf = new JsIf(x.getSourceInfo(), negatedOperation, elseStmt,
            null);
        ctx.replaceMe(accept(newIf));
      } else if (elseIsEmpty && thenExpr != null) {
        // Convert "if (a()) {b()}" => "a()&&b()".
        JsBinaryOperation op = new JsBinaryOperation(x.getSourceInfo(),
            JsBinaryOperator.AND, x.getIfExpr(), thenExpr);
        ctx.replaceMe(accept(op.makeStmt()));
      } else if (elseIsEmpty && elseStmt != null) {
        // Convert "if (a()) {b()} else {}" => "if (a()) {b()}".
        JsIf newIf = new JsIf(x.getSourceInfo(), x.getIfExpr(), thenStmt, null);
        ctx.replaceMe(accept(newIf));
      }
    }

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      throw new InternalCompilerException("Should not get here.");
    }


    @Override
    public void endVisit(JIfStatement x, Context ctx) {
      JsIf stmt = new JsIf(x.getSourceInfo());


      if (x.getElseStmt() != null) {
        stmt.setElseStmt((JsStatement) pop()); // elseStmt
      }


      if (x.getThenStmt() != null) {
        stmt.setThenStmt((JsStatement) pop()); // thenStmt
      } else {
        stmt.setThenStmt(new JsEmpty(x.getSourceInfo()));
      }


      stmt.setIfExpr((JsExpression) pop()); // ifExpr
      push(stmt);
    }

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        asg = createAssignment(permutationIdFieldName.makeRef(sourceInfo),
            softPermutationId.makeRef(sourceInfo));
        body.getStatements().add(asg.makeStmt());
      }


      JsIf jsIf = new JsIf(sourceInfo);
      body.getStatements().add(jsIf);
      jsIf.setIfExpr(errFn.makeRef(sourceInfo));
      JsTry jsTry = new JsTry(sourceInfo);
      jsIf.setThenStmt(jsTry);
      JsBlock callBlock = new JsBlock(sourceInfo);
      jsIf.setElseStmt(callBlock);
      jsTry.setTryBlock(callBlock);
      for (JsFunction func : entryFuncs) {
        if (func == registerEntryFunction) {
          continue;
        } else if (func != null) {

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      throw new InternalCompilerException("Should not get here.");
    }


    @Override
    public void endVisit(JIfStatement x, Context ctx) {
      JsIf stmt = new JsIf(x.getSourceInfo());


      if (x.getElseStmt() != null) {
        stmt.setElseStmt((JsStatement) pop()); // elseStmt
      }


      if (x.getThenStmt() != null) {
        stmt.setThenStmt((JsStatement) pop()); // thenStmt
      } else {
        stmt.setThenStmt(new JsEmpty(x.getSourceInfo()));
      }


      stmt.setIfExpr((JsExpression) pop()); // ifExpr
      push(stmt);
    }

View Full Code Here

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Related Classes of com.google.gwt.dev.js.ast.JsIf

com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$GenerateJavaScriptVisitor

com.google.gwt.dev.js.JsParser

com.google.gwt.dev.js.JsStaticEval$StaticEvalVisitor

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