Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/NodeMethodParser.java @ 8595:8a1115c92271
Implemented codegen guard definitions can now omit unused parameters.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 01 Apr 2013 21:43:20 +0200 |
parents | |
children | 5eeade940236 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/node/NodeMethodParser.java Mon Apr 01 21:43:20 2013 +0200 @@ -0,0 +1,130 @@ +/* + * 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.codegen.processor.node; + +import java.util.*; + +import javax.lang.model.element.*; +import javax.lang.model.type.*; + +import com.oracle.truffle.codegen.processor.*; +import com.oracle.truffle.codegen.processor.node.NodeFieldData.*; +import com.oracle.truffle.codegen.processor.template.*; +import com.oracle.truffle.codegen.processor.template.ParameterSpec.Cardinality; + +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(String valueName, NodeData nodeData) { + ParameterSpec spec = new ParameterSpec(valueName, nodeTypeMirrors(nodeData)); + spec.setSignature(true); + return spec; + } + + private static List<TypeMirror> nodeTypeMirrors(NodeData nodeData) { + Set<TypeMirror> typeMirrors = new LinkedHashSet<>(); + + for (ExecutableTypeData typeData : nodeData.getExecutableTypes()) { + typeMirrors.add(typeData.getType().getPrimitiveType()); + } + + typeMirrors.add(nodeData.getTypeSystem().getGenericType()); + + return new ArrayList<>(typeMirrors); + } + + protected ParameterSpec createReturnParameterSpec() { + return createValueParameterSpec("operation", getNode()); + } + + @Override + public boolean isParsable(ExecutableElement method) { + return Utils.findAnnotationMirror(getContext().getEnvironment(), method, getAnnotationType()) != null; + } + + @SuppressWarnings("unused") + protected final MethodSpec createDefaultMethodSpec(ExecutableElement method, AnnotationMirror mirror, String shortCircuitName) { + MethodSpec methodSpec = new MethodSpec(createReturnParameterSpec()); + + if (getNode().supportsFrame()) { + methodSpec.addOptional(new ParameterSpec("frame", getContext().getTruffleTypes().getFrame())); + } + + resolveAndAddImplicitThis(methodSpec, method); + + for (NodeFieldData field : getNode().getFields()) { + if (field.getKind() == FieldKind.FIELD) { + ParameterSpec spec = new ParameterSpec(field.getName(), field.getType()); + spec.setLocal(true); + methodSpec.addOptional(spec); + } + } + + for (NodeFieldData field : getNode().getFields()) { + if (field.getExecutionKind() == ExecutionKind.IGNORE) { + continue; + } + + if (field.getExecutionKind() == ExecutionKind.DEFAULT) { + ParameterSpec spec = createValueParameterSpec(field.getName(), field.getNodeData()); + if (field.getKind() == FieldKind.CHILDREN) { + spec.setCardinality(Cardinality.MULTIPLE); + spec.setIndexed(true); + } + methodSpec.addRequired(spec); + } else if (field.getExecutionKind() == ExecutionKind.SHORT_CIRCUIT) { + String valueName = field.getName(); + if (shortCircuitName != null && valueName.equals(shortCircuitName)) { + break; + } + + methodSpec.addRequired(new ParameterSpec(shortCircuitValueName(valueName), getContext().getType(boolean.class))); + methodSpec.addRequired(createValueParameterSpec(valueName, field.getNodeData())); + } else { + assert false; + } + } + + return methodSpec; + } + + protected void resolveAndAddImplicitThis(MethodSpec methodSpec, ExecutableElement method) { + TypeMirror declaredType = Utils.findNearestEnclosingType(method).asType(); + + if (!method.getModifiers().contains(Modifier.STATIC) && !Utils.isAssignable(declaredType, getContext().getTruffleTypes().getNode())) { + methodSpec.addImplicitRequiredType(getNode().getTemplateType().asType()); + } + } + + private static String shortCircuitValueName(String valueName) { + return "has" + Utils.firstLetterUpperCase(valueName); + } + +}