Mercurial > hg > truffle
diff graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/GeneratorUtils.java @ 18753:f6b8787dc113
Truffle-DSL: replace complex factory system with a much simpler version
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 29 Dec 2014 23:38:21 +0100 |
parents | |
children | a665483c3881 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/GeneratorUtils.java Mon Dec 29 23:38:21 2014 +0100 @@ -0,0 +1,129 @@ +/* + * Copyright (c) 2014, 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.generator; + +import static com.oracle.truffle.dsl.processor.java.ElementUtils.*; +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.dsl.*; +import com.oracle.truffle.dsl.processor.*; +import com.oracle.truffle.dsl.processor.java.model.*; +import com.oracle.truffle.dsl.processor.model.*; + +public class GeneratorUtils { + + public static CodeExecutableElement createConstructorUsingFields(ProcessorContext context, 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(), context.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); + } + } + + public static CodeExecutableElement createSuperConstructor(ProcessorContext context, TypeElement type, ExecutableElement element) { + if (element.getModifiers().contains(Modifier.PRIVATE)) { + return null; + } + CodeExecutableElement executable = CodeExecutableElement.clone(context.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; + } + + public static CodeTypeElement createClass(Template model, Set<Modifier> modifiers, String simpleName, TypeMirror superType, boolean enumType) { + TypeElement templateType = model.getTemplateType(); + + ProcessorContext context = ProcessorContext.getInstance(); + + PackageElement pack = context.getEnvironment().getElementUtils().getPackageOf(templateType); + CodeTypeElement clazz = new CodeTypeElement(modifiers, enumType ? ElementKind.ENUM : ElementKind.CLASS, pack, simpleName); + TypeMirror resolvedSuperType = superType; + if (resolvedSuperType == null) { + resolvedSuperType = context.getType(Object.class); + } + clazz.setSuperClass(resolvedSuperType); + + CodeAnnotationMirror generatedByAnnotation = new CodeAnnotationMirror((DeclaredType) context.getType(GeneratedBy.class)); + generatedByAnnotation.setElementValue(generatedByAnnotation.findExecutableElement("value"), new CodeAnnotationValue(templateType.asType())); + if (model.getTemplateMethodName() != null) { + generatedByAnnotation.setElementValue(generatedByAnnotation.findExecutableElement("methodName"), new CodeAnnotationValue(model.getTemplateMethodName())); + } + + clazz.addAnnotationMirror(generatedByAnnotation); + return clazz; + } + +}