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view graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/TemplateMethod.java @ 9825:81d5d8089cda
SPARC float arithmetic
author | Morris Meyer <morris.meyer@oracle.com> |
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date | Sun, 26 May 2013 13:44:16 -0400 |
parents | 8e3a1635cc9e |
children | a5d3e0973e83 |
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/* * Copyright (c) 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.template; 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.typesystem.*; /** * Note: this class has a natural ordering that is inconsistent with equals. */ public class TemplateMethod extends MessageContainer implements Comparable<TemplateMethod> { private String id; private final Template template; private final MethodSpec specification; private final ExecutableElement method; private final AnnotationMirror markerAnnotation; private ActualParameter returnType; private List<ActualParameter> parameters; public TemplateMethod(String id, Template template, MethodSpec specification, ExecutableElement method, AnnotationMirror markerAnnotation, ActualParameter returnType, List<ActualParameter> parameters) { this.template = template; this.specification = specification; this.method = method; this.markerAnnotation = markerAnnotation; this.returnType = returnType; this.parameters = parameters; this.id = id; if (parameters != null) { for (ActualParameter param : parameters) { param.setMethod(this); } } } public TemplateMethod(TemplateMethod method) { this(method.id, method.template, method.specification, method.method, method.markerAnnotation, method.returnType, method.parameters); getMessages().addAll(method.getMessages()); } public void setParameters(List<ActualParameter> parameters) { this.parameters = parameters; } @Override public Element getMessageElement() { return method; } @Override public AnnotationMirror getMessageAnnotation() { return markerAnnotation; } @Override protected List<MessageContainer> findChildContainers() { return Collections.emptyList(); } public void setId(String id) { this.id = id; } public String getId() { return id; } public Template getTemplate() { return template; } public MethodSpec getSpecification() { return specification; } public ActualParameter getReturnType() { return returnType; } public void replaceParameter(String localName, ActualParameter newParameter) { if (returnType.getLocalName().equals(localName)) { returnType = newParameter; returnType.setMethod(this); } for (ListIterator<ActualParameter> iterator = parameters.listIterator(); iterator.hasNext();) { ActualParameter parameter = iterator.next(); if (parameter.getLocalName().equals(localName)) { iterator.set(newParameter); newParameter.setMethod(this); } } } public List<ActualParameter> getRequiredParameters() { List<ActualParameter> requiredParameters = new ArrayList<>(); for (ActualParameter parameter : getParameters()) { if (getSpecification().getRequired().contains(parameter.getSpecification())) { requiredParameters.add(parameter); } } return requiredParameters; } public List<ActualParameter> getParameters() { return parameters; } public ActualParameter findParameter(String valueName) { for (ActualParameter param : getReturnTypeAndParameters()) { if (param.getLocalName().equals(valueName)) { return param; } } return null; } public List<ActualParameter> getReturnTypeAndParameters() { List<ActualParameter> allParameters = new ArrayList<>(getParameters().size() + 1); if (getReturnType() != null) { allParameters.add(getReturnType()); } allParameters.addAll(getParameters()); return Collections.unmodifiableList(allParameters); } public boolean canBeAccessedByInstanceOf(ProcessorContext context, TypeMirror type) { TypeMirror methodType = Utils.findNearestEnclosingType(getMethod()).asType(); return Utils.isAssignable(context, type, methodType) || Utils.isAssignable(context, methodType, type); } public ExecutableElement getMethod() { return method; } public String getMethodName() { if (getMethod() != null) { return getMethod().getSimpleName().toString(); } else { return "$synthetic"; } } public AnnotationMirror getMarkerAnnotation() { return markerAnnotation; } @Override public String toString() { return String.format("%s [id = %s, method = %s]", getClass().getSimpleName(), getId(), getMethod()); } public ActualParameter getPreviousParam(ActualParameter searchParam) { ActualParameter prev = null; for (ActualParameter param : getParameters()) { if (param == searchParam) { return prev; } prev = param; } return prev; } public TypeData getReturnSignature() { return getReturnType().getTypeSystemType(); } public List<TypeData> getSignature() { List<TypeData> types = new ArrayList<>(); for (ActualParameter parameter : getParameters()) { if (!parameter.getSpecification().isSignature()) { continue; } TypeData typeData = parameter.getTypeSystemType(); if (typeData != null) { types.add(typeData); } } return types; } public List<ActualParameter> getSignatureParameters() { List<ActualParameter> types = new ArrayList<>(); for (ActualParameter parameter : getParameters()) { if (!parameter.getSpecification().isSignature()) { continue; } types.add(parameter); } return types; } @Override public int compareTo(TemplateMethod o) { if (this == o) { return 0; } int compare = compareBySignature(o); if (compare == 0) { // if signature sorting failed sort by id compare = getId().compareTo(o.getId()); } if (compare == 0) { // if still no difference sort by enclosing type name TypeElement enclosingType1 = Utils.findNearestEnclosingType(getMethod()); TypeElement enclosingType2 = Utils.findNearestEnclosingType(o.getMethod()); compare = enclosingType1.getQualifiedName().toString().compareTo(enclosingType2.getQualifiedName().toString()); } return compare; } public List<ActualParameter> getParametersAfter(ActualParameter genericParameter) { boolean found = false; List<ActualParameter> foundParameters = new ArrayList<>(); for (ActualParameter param : getParameters()) { if (param.getLocalName().equals(genericParameter.getLocalName())) { found = true; } else if (found) { foundParameters.add(param); } } return foundParameters; } public int compareBySignature(TemplateMethod compareMethod) { TypeSystemData typeSystem = getTemplate().getTypeSystem(); if (typeSystem != compareMethod.getTemplate().getTypeSystem()) { throw new IllegalStateException("Cannot compare two methods with different type systems."); } List<TypeData> signature1 = getSignature(); List<TypeData> signature2 = compareMethod.getSignature(); if (signature1.size() != signature2.size()) { return signature2.size() - signature1.size(); } int result = 0; for (int i = 0; i < signature1.size(); i++) { int typeResult = compareActualParameter(typeSystem, signature1.get(i), signature2.get(i)); if (result == 0) { result = typeResult; } else if (typeResult != 0 && Math.signum(result) != Math.signum(typeResult)) { // We cannot define an order. return 0; } } if (result == 0) { TypeData returnSignature1 = getReturnSignature(); TypeData returnSignature2 = compareMethod.getReturnSignature(); result = compareActualParameter(typeSystem, returnSignature1, returnSignature2); } return result; } private static int compareActualParameter(TypeSystemData typeSystem, TypeData t1, TypeData t2) { int index1 = typeSystem.findType(t1); int index2 = typeSystem.findType(t2); return index1 - index2; } }