Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/NodeMethodParser.java @ 20941:4f45e4d3361c
Truffle-DSL: rename GenericParser to Fallbackparser.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Tue, 14 Apr 2015 15:16:14 +0200 |
parents | 476374f3fe9a |
children | 833e088ee7d3 |
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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.dsl.processor.parser; import java.util.*; import javax.lang.model.element.*; import javax.lang.model.type.*; import com.oracle.truffle.dsl.processor.*; import com.oracle.truffle.dsl.processor.java.*; import com.oracle.truffle.dsl.processor.model.*; public abstract class NodeMethodParser<E extends TemplateMethod> extends TemplateMethodParser<NodeData, E> { public NodeMethodParser(ProcessorContext context, NodeData node) { super(context, node); } public NodeData getNode() { return template; } protected ParameterSpec createValueParameterSpec(NodeExecutionData execution) { ParameterSpec spec = new ParameterSpec(execution.getName(), getPossibleParameterTypes(execution)); spec.setExecution(execution); return spec; } protected Collection<TypeMirror> getPossibleParameterTypes(NodeExecutionData execution) { return getNode().getGenericTypes(execution); } protected ParameterSpec createReturnParameterSpec() { ParameterSpec returnValue = new ParameterSpec("returnValue", getPossibleReturnTypes()); returnValue.setExecution(getNode().getThisExecution()); return returnValue; } protected Collection<TypeMirror> getPossibleReturnTypes() { List<TypeMirror> possibleTypes = getNode().getGenericTypes(getNode().getThisExecution()); if (possibleTypes.size() > 1) { return Arrays.asList(ElementUtils.getCommonSuperType(getContext(), possibleTypes.toArray(new TypeMirror[0]))); } else { return possibleTypes; } } @Override public boolean isParsable(ExecutableElement method) { if (getAnnotationType() != null) { return ElementUtils.findAnnotationMirror(getContext().getEnvironment(), method, getAnnotationType()) != null; } return true; } @SuppressWarnings("unused") protected final MethodSpec createDefaultMethodSpec(ExecutableElement method, AnnotationMirror mirror, boolean shortCircuitsEnabled, String shortCircuitName) { MethodSpec methodSpec = new MethodSpec(createReturnParameterSpec()); addDefaultFrame(methodSpec); addDefaultFieldMethodSpec(methodSpec); addDefaultChildren(shortCircuitsEnabled, shortCircuitName, methodSpec); return methodSpec; } private void addDefaultChildren(boolean shortCircuitsEnabled, String breakName, MethodSpec spec) { if (getNode().getChildren() == null) { // children are null when parsing executable types return; } for (NodeExecutionData execution : getNode().getChildExecutions()) { if (breakName != null && execution.getIndexedName().equals(breakName)) { break; } if (execution.isShortCircuit() && shortCircuitsEnabled) { spec.addRequired(new ParameterSpec(shortCircuitValueName(execution.getName()), getContext().getType(boolean.class))); } spec.addRequired(createValueParameterSpec(execution)); } } protected void addDefaultFrame(MethodSpec methodSpec) { if (getNode().supportsFrame()) { methodSpec.addOptional(new ParameterSpec("frame", getNode().getFrameType())); } } protected void addDefaultFieldMethodSpec(MethodSpec methodSpec) { for (NodeFieldData field : getNode().getFields()) { if (field.getGetter() == null) { ParameterSpec spec = new ParameterSpec(field.getName(), field.getType()); spec.setLocal(true); methodSpec.addOptional(spec); } } } private static String shortCircuitValueName(String valueName) { return "has" + ElementUtils.firstLetterUpperCase(valueName); } }