Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ClassElementFactory.java @ 8237:6b74ffe38183
Implemented support for executing nodes in @Children fields.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 01 Mar 2013 17:03:57 +0100 |
parents | 5e3d1a68664e |
children | c4c3f50fa9c2 |
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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 static com.oracle.truffle.codegen.processor.Utils.*; import static javax.lang.model.element.Modifier.*; import java.util.*; import javax.lang.model.element.*; import javax.lang.model.type.*; import javax.lang.model.util.*; import com.oracle.truffle.api.codegen.*; import com.oracle.truffle.codegen.processor.*; import com.oracle.truffle.codegen.processor.ast.*; public abstract class ClassElementFactory<M> extends CodeElementFactory<M> { public ClassElementFactory(ProcessorContext context) { super(context); } @Override protected abstract CodeTypeElement create(M m); @Override public CodeTypeElement getElement() { return (CodeTypeElement) super.getElement(); } protected CodeExecutableElement createConstructorUsingFields(Set<Modifier> modifiers, CodeTypeElement clazz) { CodeExecutableElement method = new CodeExecutableElement(modifiers, null, clazz.getSimpleName().toString()); CodeTreeBuilder builder = method.createBuilder(); TypeElement superClass = fromTypeMirror(clazz.getSuperclass()); ExecutableElement constructor = findConstructor(superClass); if (constructor != null && constructor.getParameters().size() > 0) { builder.startStatement(); builder.startSuperCall(); for (VariableElement parameter : constructor.getParameters()) { method.addParameter(new CodeVariableElement(parameter.asType(), parameter.getSimpleName().toString())); builder.string(parameter.getSimpleName().toString()); } builder.end(); // super builder.end(); // statement } for (VariableElement field : clazz.getFields()) { if (field.getModifiers().contains(STATIC)) { continue; } String fieldName = field.getSimpleName().toString(); method.addParameter(new CodeVariableElement(field.asType(), fieldName)); builder.startStatement(); builder.string("this."); builder.string(fieldName); builder.string(" = "); if (isAssignable(field.asType(), getContext().getTruffleTypes().getNode())) { builder.string("adoptChild(").string(fieldName).string(")"); } else { builder.string(fieldName); } builder.end(); // statement } return method; } private static ExecutableElement findConstructor(TypeElement clazz) { List<ExecutableElement> constructors = ElementFilter.constructorsIn(clazz.getEnclosedElements()); if (constructors.isEmpty()) { return null; } else { return constructors.get(0); } } protected CodeExecutableElement createSuperConstructor(TypeElement type, ExecutableElement element) { if (element.getModifiers().contains(Modifier.PRIVATE)) { return null; } CodeExecutableElement executable = CodeExecutableElement.clone(getContext().getEnvironment(), element); executable.setReturnType(null); executable.setSimpleName(CodeNames.of(type.getSimpleName().toString())); CodeTreeBuilder b = executable.createBuilder(); b.startStatement(); b.startSuperCall(); for (VariableElement v : element.getParameters()) { b.string(v.getSimpleName().toString()); } b.end(); b.end(); return executable; } protected CodeTypeElement createClass(Template model, Set<Modifier> modifiers, String simpleName, TypeMirror superType, boolean enumType) { TypeElement templateType = model.getTemplateType(); PackageElement pack = getContext().getEnvironment().getElementUtils().getPackageOf(templateType); CodeTypeElement clazz = new CodeTypeElement(modifiers, enumType ? ElementKind.ENUM : ElementKind.CLASS, pack, simpleName); TypeMirror resolvedSuperType = superType; if (resolvedSuperType == null) { resolvedSuperType = getContext().getType(Object.class); } clazz.setSuperClass(resolvedSuperType); CodeAnnotationMirror generatedByAnnotation = new CodeAnnotationMirror((DeclaredType) getContext().getType(GeneratedBy.class)); generatedByAnnotation.setElementValue(generatedByAnnotation.findExecutableElement("value"), new CodeAnnotationValue(templateType.asType())); clazz.addAnnotationMirror(generatedByAnnotation); context.registerType(model.getTemplateType(), clazz.asType()); return clazz; } }