Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/NodeFactory.java @ 12630:aadb188e4258
mxtool: regenerate IDE files when suite imports file changes
author | Mick Jordan <mick.jordan@oracle.com> |
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date | Tue, 29 Oct 2013 21:05:15 -0700 |
parents | 5151a7588384 |
children |
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/* * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.sl; import java.io.*; import java.math.*; import java.util.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.AddNodeFactory; import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.DivNodeFactory; import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.MulNodeFactory; import com.oracle.truffle.sl.nodes.ArithmeticNodeFactory.SubNodeFactory; import com.oracle.truffle.sl.nodes.*; public class NodeFactory { private final HashMap<String, FunctionDefinitionNode> functions; private final PrintStream printOutput; private FrameDescriptor frameDescriptor; private TypedNode returnValue; public NodeFactory(PrintStream printOutput) { this.functions = new HashMap<>(); this.printOutput = printOutput; } public FunctionDefinitionNode findFunction(String name) { return functions.get(name); } public void startFunction() { frameDescriptor = new FrameDescriptor(); } public void createFunction(StatementNode body, String name) { functions.put(name, new FunctionDefinitionNode(body, frameDescriptor, name, returnValue)); } public TypedNode createLocal(String name) { return ReadLocalNodeFactory.create(frameDescriptor.findOrAddFrameSlot(name, FrameSlotKind.Int)); } public TypedNode createStringLiteral(String value) { return new StringLiteralNode(value); } public StatementNode createAssignment(String name, TypedNode right) { return WriteLocalNodeFactory.create(frameDescriptor.findOrAddFrameSlot(name, FrameSlotKind.Int), right); } public StatementNode createPrint(List<TypedNode> expressions) { if (expressions.size() >= 1) { StatementNode[] nodes = new StatementNode[expressions.size() + 1]; for (int i = 0; i < expressions.size(); i++) { nodes[i] = PrintNodeFactory.create(printOutput, expressions.get(i)); } nodes[expressions.size()] = new PrintLineNode(printOutput); return new BlockNode(nodes); } else { return new BlockNode(new StatementNode[]{new PrintLineNode(printOutput)}); } } public StatementNode createWhile(ConditionNode condition, StatementNode body) { return new WhileNode(condition, body); } public StatementNode createBlock(List<StatementNode> statements) { return new BlockNode(statements.toArray(new StatementNode[statements.size()])); } public TypedNode createBinary(String operation, TypedNode left, TypedNode right) { switch (operation) { case "+": return AddNodeFactory.create(left, right); case "*": return MulNodeFactory.create(left, right); case "/": return DivNodeFactory.create(left, right); case "-": return SubNodeFactory.create(left, right); case "<": return LessThanNodeFactory.create(left, right); case "&&": return LogicalAndNodeFactory.create(left, right); default: throw new RuntimeException("unexpected operation: " + operation); } } public TypedNode createNumericLiteral(String value) { try { return new IntegerLiteralNode(Integer.parseInt(value)); } catch (NumberFormatException ex) { return new BigIntegerLiteralNode(new BigInteger(value)); } } public TypedNode createTime() { return TimeNodeFactory.create(); } public StatementNode createReturn(TypedNode value) { FrameSlot slot = frameDescriptor.findOrAddFrameSlot("<retval>", FrameSlotKind.Int); if (returnValue == null) { returnValue = ReadLocalNodeFactory.create(slot); } StatementNode write = WriteLocalNodeFactory.create(slot, value); return new ReturnNode(write); } public TypedNode createTernary(TypedNode condition, TypedNode thenPart, TypedNode elsePart) { return TernaryNodeFactory.create(condition, thenPart, elsePart); } }