graal-jvmci-8: graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TemplateMethod.java comparison

comparison graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TemplateMethod.java @ 16759:23415229349b

Truffle-DSL: new package structure.

author	Christian Humer <christian.humer@gmail.com>
date	Mon, 11 Aug 2014 15:57:14 +0200
parents	graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/template/TemplateMethod.java@bd28da642eea
children	2db61eddcb97

comparison

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-:c5f8eeb3cbc8
+:23415229349b
+/*
+* 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.dsl.processor.model;
+import java.util.*;
+import javax.lang.model.element.*;
+import javax.lang.model.type.*;
+import com.oracle.truffle.dsl.processor.java.*;
+import com.oracle.truffle.dsl.processor.util.*;
+/**
+* Note: this class has a natural ordering that is inconsistent with equals.
+*/
+public class TemplateMethod extends MessageContainer implements Comparable<TemplateMethod> {
+public static final int NO_NATURAL_ORDER = -1;
+private String id;
+private final Template template;
+private final int naturalOrder;
+private final MethodSpec specification;
+private final ExecutableElement method;
+private final AnnotationMirror markerAnnotation;
+private Parameter returnType;
+private List<Parameter> parameters;
+public TemplateMethod(String id, int naturalOrder, Template template, MethodSpec specification, ExecutableElement method, AnnotationMirror markerAnnotation, Parameter returnType,
+List<Parameter> parameters) {
+this.template = template;
+this.specification = specification;
+this.naturalOrder = naturalOrder;
+this.method = method;
+this.markerAnnotation = markerAnnotation;
+this.returnType = returnType;
+this.parameters = new ArrayList<>();
+for (Parameter param : parameters) {
+Parameter newParam = new Parameter(param);
+this.parameters.add(newParam);
+newParam.setMethod(this);
+}
+this.id = id;
+}
+public int getNaturalOrder() {
+return naturalOrder;
+}
+public TemplateMethod(TemplateMethod method) {
+this(method.id, method.naturalOrder, method.template, method.specification, method.method, method.markerAnnotation, method.returnType, method.parameters);
+getMessages().addAll(method.getMessages());
+}
+public TemplateMethod(TemplateMethod method, ExecutableElement executable) {
+this(method.id, method.naturalOrder, method.template, method.specification, executable, method.markerAnnotation, method.returnType, method.parameters);
+getMessages().addAll(method.getMessages());
+}
+public void setParameters(List<Parameter> 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 Parameter getReturnType() {
+return returnType;
+}
+public void replaceParameter(String localName, Parameter newParameter) {
+if (returnType.getLocalName().equals(localName)) {
+returnType = newParameter;
+returnType.setMethod(this);
+}
+for (ListIterator<Parameter> iterator = parameters.listIterator(); iterator.hasNext();) {
+Parameter parameter = iterator.next();
+if (parameter.getLocalName().equals(localName)) {
+iterator.set(newParameter);
+newParameter.setMethod(this);
+}
+}
+}
+public List<Parameter> getRequiredParameters() {
+List<Parameter> requiredParameters = new ArrayList<>();
+for (Parameter parameter : getParameters()) {
+if (getSpecification().getRequired().contains(parameter.getSpecification())) {
+requiredParameters.add(parameter);
+}
+}
+return requiredParameters;
+}
+public Iterable<Parameter> getSignatureParameters() {
+return new FilteredIterable<>(getParameters(), new Predicate<Parameter>() {
+public boolean evaluate(Parameter value) {
+return value.getSpecification().isSignature();
+}
+});
+}
+public List<Parameter> getParameters() {
+return parameters;
+}
+public List<Parameter> findParameters(ParameterSpec spec) {
+List<Parameter> foundParameters = new ArrayList<>();
+for (Parameter param : getReturnTypeAndParameters()) {
+if (param.getSpecification().getName().equals(spec.getName())) {
+foundParameters.add(param);
+}
+}
+return foundParameters;
+}
+public Parameter findParameter(String valueName) {
+for (Parameter param : getReturnTypeAndParameters()) {
+if (param.getLocalName().equals(valueName)) {
+return param;
+}
+}
+return null;
+}
+public List<Parameter> getReturnTypeAndParameters() {
+List<Parameter> allParameters = new ArrayList<>(getParameters().size() + 1);
+if (getReturnType() != null) {
+allParameters.add(getReturnType());
+}
+allParameters.addAll(getParameters());
+return Collections.unmodifiableList(allParameters);
+}
+public boolean canBeAccessedByInstanceOf(TypeMirror type) {
+TypeMirror methodType = ElementUtils.findNearestEnclosingType(getMethod()).asType();
+return ElementUtils.isAssignable(type, methodType) || ElementUtils.isAssignable(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 Parameter getPreviousParam(Parameter searchParam) {
+Parameter prev = null;
+for (Parameter param : getParameters()) {
+if (param == searchParam) {
+return prev;
+}
+prev = param;
+}
+return prev;
+}
+@SuppressWarnings("unused")
+public int getSignatureSize() {
+int signatureSize = 0;
+for (Parameter parameter : getSignatureParameters()) {
+signatureSize++;
+}
+return signatureSize;
+}
+public TypeSignature getTypeSignature() {
+TypeSignature signature = new TypeSignature();
+signature.types.add(getReturnType().getTypeSystemType());
+for (Parameter parameter : getSignatureParameters()) {
+TypeData typeData = parameter.getTypeSystemType();
+if (typeData != null) {
+signature.types.add(typeData);
+}
+}
+return signature;
+}
+public Parameter getSignatureParameter(int searchIndex) {
+int index = 0;
+for (Parameter parameter : getParameters()) {
+if (!parameter.getSpecification().isSignature()) {
+continue;
+}
+if (index == searchIndex) {
+return parameter;
+}
+index++;
+}
+return null;
+}
+public void updateSignature(TypeSignature signature) {
+// TODO(CH): fails in normal usage - output ok though
+// assert signature.size() >= 1;
+int signatureIndex = 0;
+for (Parameter parameter : getReturnTypeAndParameters()) {
+if (!parameter.getSpecification().isSignature()) {
+continue;
+}
+if (signatureIndex >= signature.size()) {
+break;
+}
+TypeData newType = signature.get(signatureIndex++);
+if (!parameter.getTypeSystemType().equals(newType)) {
+replaceParameter(parameter.getLocalName(), new Parameter(parameter, newType));
+}
+}
+}
+@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 = ElementUtils.findNearestEnclosingType(getMethod());
+TypeElement enclosingType2 = ElementUtils.findNearestEnclosingType(o.getMethod());
+compare = enclosingType1.getQualifiedName().toString().compareTo(enclosingType2.getQualifiedName().toString());
+}
+return compare;
+}
+public List<Parameter> getParametersAfter(Parameter genericParameter) {
+boolean found = false;
+List<Parameter> foundParameters = new ArrayList<>();
+for (Parameter param : getParameters()) {
+if (param.getLocalName().equals(genericParameter.getLocalName())) {
+found = true;
+} else if (found) {
+foundParameters.add(param);
+}
+}
+return foundParameters;
+}
+public int compareBySignature(TemplateMethod compareMethod) {
+final TypeSystemData typeSystem = getTemplate().getTypeSystem();
+if (typeSystem != compareMethod.getTemplate().getTypeSystem()) {
+throw new IllegalStateException("Cannot compare two methods with different type systems.");
+}
+List<TypeMirror> signature1 = getSignatureTypes(this);
+List<TypeMirror> signature2 = getSignatureTypes(compareMethod);
+int result = 0;
+for (int i = 0; i < Math.max(signature1.size(), signature2.size()); i++) {
+TypeMirror t1 = i < signature1.size() ? signature1.get(i) : null;
+TypeMirror t2 = i < signature2.size() ? signature2.get(i) : null;
+result = compareParameter(typeSystem, t1, t2);
+if (result != 0) {
+break;
+}
+}
+return result;
+}
+protected static int compareParameter(TypeSystemData data, TypeMirror signature1, TypeMirror signature2) {
+if (signature1 == null) {
+return 1;
+} else if (signature2 == null) {
+return -1;
+}
+if (ElementUtils.typeEquals(signature1, signature2)) {
+return 0;
+}
+int index1 = data.findType(signature1);
+int index2 = data.findType(signature2);
+if (index1 != -1 && index2 != -1) {
+return index1 - index2;
+}
+// TODO this version if subclass of should be improved.
+if (signature1.getKind() == TypeKind.DECLARED && signature2.getKind() == TypeKind.DECLARED) {
+TypeElement element1 = ElementUtils.fromTypeMirror(signature1);
+TypeElement element2 = ElementUtils.fromTypeMirror(signature2);
+if (ElementUtils.getDirectSuperTypes(element1).contains(element2)) {
+return -1;
+} else if (ElementUtils.getDirectSuperTypes(element2).contains(element1)) {
+return 1;
+}
+}
+return ElementUtils.getSimpleName(signature1).compareTo(ElementUtils.getSimpleName(signature2));
+}
+public static List<TypeMirror> getSignatureTypes(TemplateMethod method) {
+List<TypeMirror> types = new ArrayList<>();
+for (Parameter param : method.getSignatureParameters()) {
+types.add(param.getType());
+}
+return types;
+}
+public static class TypeSignature implements Iterable<TypeData>, Comparable<TypeSignature> {
+private final List<TypeData> types;
+public TypeSignature() {
+this.types = new ArrayList<>();
+}
+public TypeSignature(List<TypeData> signature) {
+this.types = signature;
+}
+@Override
+public int hashCode() {
+return types.hashCode();
+}
+public int size() {
+return types.size();
+}
+public TypeData get(int index) {
+return types.get(index);
+}
+public int compareTo(TypeSignature other) {
+if (this == other) {
+return 0;
+} else if (types.size() != other.types.size()) {
+return types.size() - other.types.size();
+} else if (types.isEmpty()) {
+return 0;
+}
+for (int i = 0; i < types.size(); i++) {
+TypeData type1 = types.get(i);
+TypeData type2 = other.types.get(i);
+int comparison = type1.compareTo(type2);
+if (comparison != 0) {
+return comparison;
+}
+}
+return 0;
+}
+@Override
+public boolean equals(Object obj) {
+if (obj instanceof TypeSignature) {
+return ((TypeSignature) obj).types.equals(types);
+}
+return super.equals(obj);
+}
+public Iterator<TypeData> iterator() {
+return types.iterator();
+}
+@Override
+public String toString() {
+return types.toString();
+}
+}
+}

Mercurial > hg > graal-jvmci-8

comparison graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/TemplateMethod.java @ 16759:23415229349b