FoldConstants.java (1341:1172aca37bba) FoldConstants.java (1426:751ada854e5a)
1/*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided

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32import jdk.nashorn.internal.codegen.types.Type;
33import jdk.nashorn.internal.ir.BinaryNode;
34import jdk.nashorn.internal.ir.Block;
35import jdk.nashorn.internal.ir.BlockStatement;
36import jdk.nashorn.internal.ir.CaseNode;
37import jdk.nashorn.internal.ir.EmptyNode;
38import jdk.nashorn.internal.ir.Expression;
39import jdk.nashorn.internal.ir.FunctionNode;
1/*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided

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32import jdk.nashorn.internal.codegen.types.Type;
33import jdk.nashorn.internal.ir.BinaryNode;
34import jdk.nashorn.internal.ir.Block;
35import jdk.nashorn.internal.ir.BlockStatement;
36import jdk.nashorn.internal.ir.CaseNode;
37import jdk.nashorn.internal.ir.EmptyNode;
38import jdk.nashorn.internal.ir.Expression;
39import jdk.nashorn.internal.ir.FunctionNode;
40import jdk.nashorn.internal.ir.FunctionNode.CompilationState;
41import jdk.nashorn.internal.ir.IfNode;
42import jdk.nashorn.internal.ir.LexicalContext;
43import jdk.nashorn.internal.ir.LiteralNode;
44import jdk.nashorn.internal.ir.LiteralNode.ArrayLiteralNode;
45import jdk.nashorn.internal.ir.Node;
46import jdk.nashorn.internal.ir.Statement;
47import jdk.nashorn.internal.ir.SwitchNode;
48import jdk.nashorn.internal.ir.TernaryNode;

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96 log.info("Binary constant folded ", binaryNode, " to ", literalNode);
97 return literalNode;
98 }
99 return binaryNode;
100 }
101
102 @Override
103 public Node leaveFunctionNode(final FunctionNode functionNode) {
40import jdk.nashorn.internal.ir.IfNode;
41import jdk.nashorn.internal.ir.LexicalContext;
42import jdk.nashorn.internal.ir.LiteralNode;
43import jdk.nashorn.internal.ir.LiteralNode.ArrayLiteralNode;
44import jdk.nashorn.internal.ir.Node;
45import jdk.nashorn.internal.ir.Statement;
46import jdk.nashorn.internal.ir.SwitchNode;
47import jdk.nashorn.internal.ir.TernaryNode;

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95 log.info("Binary constant folded ", binaryNode, " to ", literalNode);
96 return literalNode;
97 }
98 return binaryNode;
99 }
100
101 @Override
102 public Node leaveFunctionNode(final FunctionNode functionNode) {
104 return functionNode.setState(lc, CompilationState.CONSTANT_FOLDED);
103 return functionNode;
105 }
106
107 @Override
108 public Node leaveIfNode(final IfNode ifNode) {
109 final Node test = ifNode.getTest();
110 if (test instanceof LiteralNode.PrimitiveLiteralNode) {
111 final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
112 final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();

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105
106 @Override
107 public Node leaveIfNode(final IfNode ifNode) {
108 final Node test = ifNode.getTest();
109 if (test instanceof LiteralNode.PrimitiveLiteralNode) {
110 final boolean isTrue = ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue();
111 final Block executed = isTrue ? ifNode.getPass() : ifNode.getFail();

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