/* * 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.java.model; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Set; import javax.annotation.processing.ProcessingEnvironment; import javax.lang.model.element.AnnotationMirror; import javax.lang.model.element.AnnotationValue; import javax.lang.model.element.Element; import javax.lang.model.element.ElementKind; import javax.lang.model.element.ElementVisitor; import javax.lang.model.element.ExecutableElement; import javax.lang.model.element.Modifier; import javax.lang.model.element.Name; import javax.lang.model.element.TypeParameterElement; import javax.lang.model.element.VariableElement; import javax.lang.model.type.TypeMirror; import com.oracle.truffle.dsl.processor.java.ElementUtils; public class CodeExecutableElement extends CodeElement<Element> implements ExecutableElement { private final List<TypeMirror> throwables = new ArrayList<>(); private final List<VariableElement> parameters = parentableList(this, new ArrayList<VariableElement>()); private TypeMirror returnType; private Name name; private CodeTree bodyTree; private String body; private AnnotationValue defaultValue; private boolean varArgs; public CodeExecutableElement(TypeMirror returnType, String name) { super(ElementUtils.modifiers()); this.returnType = returnType; this.name = CodeNames.of(name); } public CodeExecutableElement(Set<Modifier> modifiers, TypeMirror returnType, String name, CodeVariableElement... parameters) { super(modifiers); this.returnType = returnType; this.name = CodeNames.of(name); for (CodeVariableElement codeParameter : parameters) { addParameter(codeParameter); } } public void setVisibility(Modifier visibility) { ElementUtils.setVisibility(getModifiers(), visibility); } public Modifier getVisibility() { return ElementUtils.getVisibility(getModifiers()); } /* Support JDK8 langtools. */ public boolean isDefault() { return false; } @Override public List<TypeMirror> getThrownTypes() { return throwables; } @Override public TypeMirror asType() { return returnType; } @Override public ElementKind getKind() { if (getReturnType() == null) { return ElementKind.CONSTRUCTOR; } else { return ElementKind.METHOD; } } @Override public List<? extends TypeParameterElement> getTypeParameters() { return Collections.emptyList(); } public void setVarArgs(boolean varargs) { this.varArgs = varargs; } @Override public boolean isVarArgs() { return varArgs; } public void setDefaultValue(AnnotationValue defaultValue) { this.defaultValue = defaultValue; } @Override public AnnotationValue getDefaultValue() { return defaultValue; } @Override public Name getSimpleName() { return name; } public CodeTreeBuilder getBuilder() { CodeTree tree = this.bodyTree; return createBuilder().tree(tree); } public CodeTreeBuilder createBuilder() { CodeTreeBuilder builder = new CodeTreeBuilder(null); builder.setEnclosingElement(this); this.bodyTree = builder.getTree(); this.body = null; return builder; } public CodeTreeBuilder appendBuilder() { CodeTreeBuilder builder = new CodeTreeBuilder(null); builder.setEnclosingElement(this); if (bodyTree != null) { builder.tree(bodyTree); } this.bodyTree = builder.getTree(); this.body = null; return builder; } public void setBodyTree(CodeTree body) { this.bodyTree = body; } public CodeTree getBodyTree() { return bodyTree; } public TypeMirror getReturnType() { return returnType; } @Override public List<VariableElement> getParameters() { return parameters; } public TypeMirror[] getParameterTypes() { TypeMirror[] types = new TypeMirror[getParameters().size()]; for (int i = 0; i < types.length; i++) { types[i] = parameters.get(i).asType(); } return types; } public void setReturnType(TypeMirror type) { returnType = type; } public void addParameter(VariableElement parameter) { parameters.add(parameter); } public void addThrownType(TypeMirror thrownType) { throwables.add(thrownType); } public void setSimpleName(Name name) { this.name = name; } public void setBody(String body) { this.body = body; } public String getBody() { return body; } @Override public <R, P> R accept(ElementVisitor<R, P> v, P p) { return v.visitExecutable(this, p); } public static CodeExecutableElement clone(@SuppressWarnings("unused") ProcessingEnvironment env, ExecutableElement method) { CodeExecutableElement copy = new CodeExecutableElement(method.getReturnType(), method.getSimpleName().toString()); for (TypeMirror thrownType : method.getThrownTypes()) { copy.addThrownType(thrownType); } copy.setDefaultValue(method.getDefaultValue()); for (AnnotationMirror mirror : method.getAnnotationMirrors()) { copy.addAnnotationMirror(mirror); } for (VariableElement var : method.getParameters()) { copy.addParameter(CodeVariableElement.clone(var)); } for (Element element : method.getEnclosedElements()) { copy.add(element); } copy.getModifiers().addAll(method.getModifiers()); copy.setVarArgs(method.isVarArgs()); return copy; } public TypeMirror getReceiverType() { throw new UnsupportedOperationException(); } }