Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/NodeFactory.java @ 7795:ee84a187f84a
Fixed minor bug.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 15 Feb 2013 19:36:03 +0100 |
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1 /* |
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.truffle.sl; |
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24 |
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25 import java.io.*; |
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26 import java.math.*; |
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27 import java.util.*; |
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28 |
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29 import com.oracle.truffle.api.frame.*; |
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30 import com.oracle.truffle.sl.nodes.*; |
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31 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.*; |
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32 |
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33 public class NodeFactory { |
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34 |
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35 private final HashMap<String, FunctionDefinitionNode> functions; |
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36 private final PrintStream printOutput; |
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37 |
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38 private FrameDescriptor frameDescriptor; |
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39 private TypedNode returnValue; |
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40 |
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41 public NodeFactory(PrintStream printOutput) { |
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42 this.functions = new HashMap<>(); |
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43 this.printOutput = printOutput; |
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44 } |
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45 |
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46 public FunctionDefinitionNode findFunction(String name) { |
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47 return functions.get(name); |
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48 } |
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49 |
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50 public void startFunction() { |
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51 frameDescriptor = new FrameDescriptor(SLTypesGen.SLTYPES); |
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52 } |
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53 |
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54 public void createFunction(StatementNode body, String name) { |
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55 functions.put(name, new FunctionDefinitionNode(body, frameDescriptor, name, returnValue)); |
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56 } |
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57 |
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58 public TypedNode createLocal(String name) { |
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59 return ReadLocalNodeFactory.create(frameDescriptor.findOrAddFrameSlot(name)); |
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60 } |
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61 |
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62 public TypedNode createStringLiteral(String value) { |
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63 return StringLiteralNodeFactory.create(value); |
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64 } |
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65 |
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66 public StatementNode createAssignment(String name, TypedNode right) { |
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67 return WriteLocalNodeFactory.create(frameDescriptor.findOrAddFrameSlot(name), right); |
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68 } |
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69 |
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70 public StatementNode createPrint(List<TypedNode> expressions) { |
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71 if (expressions.size() >= 1) { |
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72 StatementNode[] nodes = new StatementNode[expressions.size() + 1]; |
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73 for (int i = 0; i < expressions.size(); i++) { |
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74 nodes[i] = PrintNodeFactory.create(expressions.get(i), printOutput); |
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75 } |
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76 nodes[expressions.size()] = new PrintLineNode(printOutput); |
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77 return new BlockNode(nodes); |
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78 } else { |
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79 return new BlockNode(new StatementNode[]{new PrintLineNode(printOutput)}); |
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80 } |
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81 } |
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82 |
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83 public StatementNode createWhile(ConditionNode condition, StatementNode body) { |
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84 return new WhileNode(condition, body); |
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85 } |
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86 |
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87 public StatementNode createBlock(List<StatementNode> statements) { |
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88 return new BlockNode(statements.toArray(new StatementNode[statements.size()])); |
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89 } |
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90 |
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91 public TypedNode createBinary(String operation, TypedNode left, TypedNode right) { |
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92 switch (operation) { |
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93 case "+": |
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94 return AddNodeFactory.create(left, right); |
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95 case "*": |
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96 return MulNodeFactory.create(left, right); |
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97 case "/": |
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98 return DivNodeFactory.create(left, right); |
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99 case "-": |
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100 return SubNodeFactory.create(left, right); |
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101 case "<": |
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102 return LessThanNodeFactory.create(left, right); |
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103 case "&&": |
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104 return LogicalAndNodeFactory.create(left, right); |
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105 default: |
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106 throw new RuntimeException("unexpected operation: " + operation); |
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107 } |
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108 } |
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109 |
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110 public TypedNode createNumericLiteral(String value) { |
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111 try { |
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112 return IntegerLiteralNodeFactory.create(Integer.parseInt(value)); |
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113 } catch (NumberFormatException ex) { |
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114 return BigIntegerLiteralNodeFactory.create(new BigInteger(value)); |
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115 } |
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116 } |
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117 |
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118 public TypedNode createTime() { |
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119 return TimeNodeFactory.create(); |
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120 } |
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121 |
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122 public StatementNode createReturn(TypedNode value) { |
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123 FrameSlot slot = frameDescriptor.findOrAddFrameSlot("<retval>"); |
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124 if (returnValue == null) { |
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125 returnValue = ReadLocalNodeFactory.create(slot); |
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126 } |
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127 StatementNode write = WriteLocalNodeFactory.create(slot, value); |
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128 return new ReturnNode(write); |
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129 } |
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130 } |