Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/SLNodeFactory.java @ 13745:978587c91373
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author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 23 Jan 2014 16:35:57 -0800 |
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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.math.*; |
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26 import java.util.*; |
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27 |
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28 import com.oracle.truffle.api.*; |
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29 import com.oracle.truffle.api.frame.*; |
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30 import com.oracle.truffle.api.nodes.*; |
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31 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.AddNodeFactory; |
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32 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.DivNodeFactory; |
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33 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.MulNodeFactory; |
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34 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.SubNodeFactory; |
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35 import com.oracle.truffle.sl.nodes.*; |
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36 import com.oracle.truffle.sl.parser.*; |
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37 import com.oracle.truffle.sl.runtime.*; |
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38 |
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39 public class SLNodeFactory { |
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40 |
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41 private final SLContext context; |
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42 |
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43 private Parser parser; |
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44 private FrameDescriptor frameDescriptor; |
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45 private TypedNode returnValue; |
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46 |
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47 private Source source; |
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48 private String currentFunctionName; |
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49 |
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50 public SLNodeFactory(SLContext context) { |
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51 this.context = context; |
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52 } |
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53 |
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54 public void setSource(Source source) { |
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55 this.source = source; |
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56 } |
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57 |
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58 public void setParser(Parser parser) { |
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59 this.parser = parser; |
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60 } |
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61 |
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62 public void startFunction() { |
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63 frameDescriptor = new FrameDescriptor(); |
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64 } |
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65 |
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66 public void createFunction(StatementNode body, String name, String[] parameterNames) { |
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67 context.getFunctionRegistry().register(name, FunctionRootNode.createFunction(body, frameDescriptor, name, returnValue, parameterNames)); |
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68 this.currentFunctionName = name; |
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69 this.returnValue = null; |
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70 } |
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71 |
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72 private <T extends Node> T assignSource(T node) { |
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73 node.assignSourceSection(ParserUtils.createSourceSection(source, currentFunctionName, parser)); |
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74 return node; |
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75 } |
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76 |
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77 public TypedNode createLocal(String name) { |
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78 return assignSource(new ReadUninitializedNode(context, frameDescriptor.findOrAddFrameSlot(name, FrameSlotKind.Int))); |
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79 } |
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80 |
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81 public TypedNode createStringLiteral(String value) { |
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82 return assignSource(new StringLiteralNode(value)); |
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83 } |
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84 |
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85 public TypedNode createAssignment(TypedNode read, TypedNode assignment) { |
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86 FrameSlot slot = ((ReadUninitializedNode) read).getSlot(); |
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87 return assignSource(WriteLocalNodeFactory.create(slot, assignment)); |
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88 } |
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89 |
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90 public StatementNode createWhile(ConditionNode condition, StatementNode body) { |
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91 return assignSource(new WhileNode(condition, body)); |
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92 } |
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93 |
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94 public StatementNode createBlock(List<StatementNode> statements) { |
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95 return assignSource(new BlockNode(statements.toArray(new StatementNode[statements.size()]))); |
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96 } |
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97 |
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98 public TypedNode createCall(TypedNode function, TypedNode[] parameters) { |
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99 return assignSource(CallNode.create(function, parameters)); |
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100 } |
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101 |
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102 public TypedNode createBinary(String operation, TypedNode left, TypedNode right) { |
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103 TypedNode binary; |
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104 switch (operation) { |
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105 case "+": |
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106 binary = AddNodeFactory.create(left, right); |
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107 break; |
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108 case "*": |
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109 binary = MulNodeFactory.create(left, right); |
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110 break; |
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111 case "/": |
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112 binary = DivNodeFactory.create(left, right); |
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113 break; |
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114 case "-": |
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115 binary = SubNodeFactory.create(left, right); |
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116 break; |
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117 case "<": |
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118 binary = LessThanNodeFactory.create(left, right); |
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119 break; |
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120 case "&&": |
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121 binary = LogicalAndNodeFactory.create(left, right); |
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122 break; |
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123 default: |
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124 throw new RuntimeException("unexpected operation: " + operation); |
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125 } |
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126 return assignSource(binary); |
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127 } |
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128 |
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129 public TypedNode createNumericLiteral(String value) { |
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130 try { |
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131 return assignSource(new IntegerLiteralNode(Integer.parseInt(value))); |
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132 } catch (NumberFormatException ex) { |
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133 return assignSource(new BigIntegerLiteralNode(new BigInteger(value))); |
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134 } |
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135 } |
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136 |
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137 public StatementNode createReturn(TypedNode value) { |
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138 FrameSlot slot = frameDescriptor.findOrAddFrameSlot("<retval>", FrameSlotKind.Int); |
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139 if (returnValue == null) { |
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140 returnValue = ReadLocalNodeFactory.create(slot); |
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141 } |
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142 StatementNode write = WriteLocalNodeFactory.create(slot, value); |
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143 return assignSource(new ReturnNode(write)); |
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144 } |
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145 |
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146 public TypedNode createTernary(TypedNode condition, TypedNode thenPart, TypedNode elsePart) { |
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147 return assignSource(TernaryNodeFactory.create(condition, thenPart, elsePart)); |
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148 } |
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149 |
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150 public StatementNode createIf(ConditionNode condition, StatementNode then, StatementNode elseNode) { |
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151 return assignSource(IfNodeFactory.create(then, elseNode, condition)); |
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152 } |
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153 |
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154 } |