Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/compiler/JavaCCompiler.java @ 13709:c2ed2ce2cfe0
SL: another minor FrameDescriptor fix.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Mon, 20 Jan 2014 15:18:39 +0100 |
parents | ae6b8ec920e2 |
children | 288c23143d47 |
line wrap: on
line source
/* * 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.compiler; import java.util.*; import javax.annotation.processing.*; import javax.lang.model.element.*; import com.oracle.truffle.dsl.processor.*; public class JavaCCompiler extends AbstractCompiler { public static boolean isValidElement(Element currentElement) { try { Class<?> elementClass = Class.forName("com.sun.tools.javac.code.Symbol"); return elementClass.isAssignableFrom(currentElement.getClass()); } catch (ClassNotFoundException e) { return false; } } public List<? extends Element> getEnclosedElementsDeclarationOrder(TypeElement type) { return type.getEnclosedElements(); } private static final Class[] getTreeAndTopLevelSignature = new Class[]{Element.class, AnnotationMirror.class, AnnotationValue.class}; private static final Class[] getCharContentSignature = new Class[]{boolean.class}; @Override public String getMethodBody(ProcessingEnvironment env, ExecutableElement method) { try { /* * if (false) { Pair<JCTree, JCCompilationUnit> treeAndTopLevel = ((JavacElements) * env.getElementUtils()).getTreeAndTopLevel(method, null, null); JCBlock block = * ((JCMethodDecl) treeAndTopLevel.fst).getBody(); int startPos = block.pos; int endPos * = block.endpos; String methodBody = * treeAndTopLevel.snd.getSourceFile().getCharContent(true).subSequence(startPos + 1, * endPos).toString(); return methodBody; } */ Object treeAndTopLevel = getTreeAndTopLevel(env, method); Object block = method(field(treeAndTopLevel, "fst"), "getBody"); int startPos = (int) field(block, "pos"); int endPos = (int) field(block, "endpos"); return getContent(treeAndTopLevel).subSequence(startPos + 1, endPos).toString(); } catch (Exception e) { return Utils.printException(e); } } private static CharSequence getContent(Object treeAndTopLevel) throws Exception { /* * CharSequence content = treeAndTopLevel.snd.getSourceFile().getCharContent(true); */ return (CharSequence) method(method(field(treeAndTopLevel, "snd"), "getSourceFile"), "getCharContent", getCharContentSignature, true); } private static Object getTreeAndTopLevel(ProcessingEnvironment env, Element element) throws Exception { /* * Pair<JCTree, JCCompilationUnit> treeAndTopLevel = ((JavacElements) * env.getElementUtils()).getTreeAndTopLevel(method, null, null); */ return method(method(env, "getElementUtils"), "getTreeAndTopLevel", getTreeAndTopLevelSignature, element, null, null); } @Override public String getHeaderComment(ProcessingEnvironment env, Element type) { try { String content = getContent(getTreeAndTopLevel(env, type)).toString(); return parseHeader(content); } catch (Exception e) { return Utils.printException(e); } } }