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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/NodeFactory.java @ 9258:07f8d136a05e

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Truffle API changes for the Frame API. Introduction of Assumptions class.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Tue, 23 Apr 2013 15:34:06 +0200
parents aa9ffb3a715e
children 8cf939b349dd
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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.ArithmeticNodeFactory.AddNodeFactory;
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31 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.DivNodeFactory;
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32 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.MulNodeFactory;
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33 import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.SubNodeFactory;
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34 import com.oracle.truffle.sl.nodes.*;
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35
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36 public class NodeFactory {
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37
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38 private final HashMap<String, FunctionDefinitionNode> functions;
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39 private final PrintStream printOutput;
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40
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41 private FrameDescriptor frameDescriptor;
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42 private TypedNode returnValue;
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43
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44 public NodeFactory(PrintStream printOutput) {
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45 this.functions = new HashMap<>();
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46 this.printOutput = printOutput;
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47 }
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48
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49 public FunctionDefinitionNode findFunction(String name) {
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50 return functions.get(name);
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51 }
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52
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53 public void startFunction() {
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54 frameDescriptor = new FrameDescriptor();
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55 }
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56
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57 public void createFunction(StatementNode body, String name) {
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58 functions.put(name, new FunctionDefinitionNode(body, frameDescriptor, name, returnValue));
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59 }
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60
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61 public TypedNode createLocal(String name) {
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62 return ReadLocalNodeFactory.create(frameDescriptor.findOrAddFrameSlot(name, Integer.class));
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63 }
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64
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65 public TypedNode createStringLiteral(String value) {
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66 return StringLiteralNodeFactory.create(value);
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67 }
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68
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69 public StatementNode createAssignment(String name, TypedNode right) {
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70 return WriteLocalNodeFactory.create(frameDescriptor.findOrAddFrameSlot(name, Integer.class), right);
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71 }
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72
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73 public StatementNode createPrint(List<TypedNode> expressions) {
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74 if (expressions.size() >= 1) {
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75 StatementNode[] nodes = new StatementNode[expressions.size() + 1];
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76 for (int i = 0; i < expressions.size(); i++) {
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77 nodes[i] = PrintNodeFactory.create(printOutput, expressions.get(i));
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78 }
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79 nodes[expressions.size()] = new PrintLineNode(printOutput);
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80 return new BlockNode(nodes);
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81 } else {
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82 return new BlockNode(new StatementNode[]{new PrintLineNode(printOutput)});
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83 }
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84 }
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85
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86 public StatementNode createWhile(ConditionNode condition, StatementNode body) {
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87 return new WhileNode(condition, body);
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88 }
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89
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90 public StatementNode createBlock(List<StatementNode> statements) {
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91 return new BlockNode(statements.toArray(new StatementNode[statements.size()]));
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92 }
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93
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94 public TypedNode createBinary(String operation, TypedNode left, TypedNode right) {
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95 switch (operation) {
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96 case "+":
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97 return AddNodeFactory.create(left, right);
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98 case "*":
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99 return MulNodeFactory.create(left, right);
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100 case "/":
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101 return DivNodeFactory.create(left, right);
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102 case "-":
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103 return SubNodeFactory.create(left, right);
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104 case "<":
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105 return LessThanNodeFactory.create(left, right);
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106 case "&&":
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107 return LogicalAndNodeFactory.create(left, right);
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108 default:
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109 throw new RuntimeException("unexpected operation: " + operation);
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110 }
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111 }
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112
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113 public TypedNode createNumericLiteral(String value) {
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114 try {
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115 return IntegerLiteralNodeFactory.create(Integer.parseInt(value));
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116 } catch (NumberFormatException ex) {
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117 return BigIntegerLiteralNodeFactory.create(new BigInteger(value));
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118 }
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119 }
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120
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121 public TypedNode createTime() {
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122 return TimeNodeFactory.create();
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123 }
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124
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125 public StatementNode createReturn(TypedNode value) {
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126 FrameSlot slot = frameDescriptor.findOrAddFrameSlot("<retval>", Integer.class);
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127 if (returnValue == null) {
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128 returnValue = ReadLocalNodeFactory.create(slot);
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129 }
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130 StatementNode write = WriteLocalNodeFactory.create(slot, value);
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131 return new ReturnNode(write);
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132 }
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133
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134 public TypedNode createTernary(TypedNode condition, TypedNode thenPart, TypedNode elsePart) {
698cd036a1ca Added a ternary operator to simple language to test short circuit specialization.
Christian Humer <christian.humer@gmail.com>
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135 return TernaryNodeFactory.create(condition, thenPart, elsePart);
698cd036a1ca Added a ternary operator to simple language to test short circuit specialization.
Christian Humer <christian.humer@gmail.com>
parents: 7530
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136 }
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213c1297a814 Simple Language: A simple dynamic programming language to demonstrate Truffle features
Christian Wimmer <christian.wimmer@oracle.com>
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137 }