Package com.google.gwt.dev.js.ast

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

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  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) {
      return new JsPrefixOperation(makeSourceInfo(node),
          JsUnaryOperator.DELETE, to);
    } else {
      throw createParserException(
          "'delete' can only operate on property names and array elements",
          from);
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  private JsExpression mapPrefixOperation(JsUnaryOperator op, Node node)
      throws JsParserException {
    Node from = node.getFirstChild();
    JsExpression to = mapExpression(from);
    return new JsPrefixOperation(makeSourceInfo(node), op, to);
  }
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            "Replaced if statement with ||"), JsBinaryOperator.OR,
            x.getIfExpr(), elseExpr);
        ctx.replaceMe(accept(op.makeStmt()));
      } else if (thenIsEmpty && !elseIsEmpty) {
        // Convert "if (a()) {} else {stuff}" => "if (!a()) {stuff}".
        JsUnaryOperation negatedOperation = new JsPrefixOperation(
            makeSourceInfo(x, "Simplified if with empty then statement"),
            JsUnaryOperator.NOT, x.getIfExpr());
        JsIf newIf = new JsIf(makeSourceInfo(x,
            "Simplified if with empty then statement"), negatedOperation,
            elseStmt, null);
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      }

      if (evalBooleanContext.contains(x)) {
        if ((x.getOperator() == JsUnaryOperator.NOT)
            && (x.getArg() instanceof JsPrefixOperation)) {
          JsPrefixOperation arg = (JsPrefixOperation) x.getArg();
          if (arg.getOperator() == JsUnaryOperator.NOT) {
            ctx.replaceMe(arg.getArg());
            return;
          }
        }
      }
    }
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      stack.push(toReturn);
    }

    @Override
    public void endVisit(JsPrefixOperation x, JsContext<JsExpression> ctx) {
      JsPrefixOperation toReturn = new JsPrefixOperation(x.getSourceInfo(),
          x.getOperator());
      toReturn.setArg(stack.pop());
      stack.push(toReturn);
    }
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      } else {
        currentFunctionRef = currentFunction.getName().makeRef(info);
      }

      // ++stackDepth
      JsUnaryOperation inc = new JsPrefixOperation(info, JsUnaryOperator.INC,
          stackDepthRef);

      // stackIndex = ++stackDepth
      JsBinaryOperation stackIndexOp = new JsBinaryOperation(info,
          JsBinaryOperator.ASG, stackIndexRef(info), inc);
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      push(op);
    }

    @Override
    public void endVisit(JPrefixOperation x, Context ctx) {
      JsUnaryOperation op = new JsPrefixOperation(x.getSourceInfo(),
          JavaToJsOperatorMap.get(x.getOp()), ((JsExpression) pop())); // arg
      push(op);
    }
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      push(op);
    }

    // @Override
    public void endVisit(JPrefixOperation x, Context ctx) {
      JsUnaryOperation op = new JsPrefixOperation(
          JavaToJsOperatorMap.get(x.getOp()), ((JsExpression) pop())); // arg
      push(op);
    }
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    }

    @Override
    public void endVisit(JPrefixOperation x, Context ctx) {
      JsUnaryOperation op =
          new JsPrefixOperation(x.getSourceInfo(), JavaToJsOperatorMap.get(x.getOp()),
              ((JsExpression) pop())); // arg
      push(op);
    }
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      }

      if (evalBooleanContext.contains(x)) {
        if ((x.getOperator() == JsUnaryOperator.NOT)
            && (x.getArg() instanceof JsPrefixOperation)) {
          JsPrefixOperation arg = (JsPrefixOperation) x.getArg();
          if (arg.getOperator() == JsUnaryOperator.NOT) {
            ctx.replaceMe(arg.getArg());
            return;
          }
        }
      }
    }
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Related Classes of com.google.gwt.dev.js.ast.JsPrefixOperation

  • com.google.gwt.dev.jjs.impl.GenerateJavaScriptAST$GenerateJavaScriptVisitor
  • com.google.gwt.dev.js.JsCoerceIntShift$MyVisitor
  • com.google.gwt.dev.js.JsHoister$Cloner
  • com.google.gwt.dev.js.JsParser
  • com.google.gwt.dev.js.JsStackEmulator$EntryExitVisitor
  • com.google.gwt.dev.js.JsStaticEval$StaticEvalVisitor
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