duke@1: /* ohair@798: * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. duke@1: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@1: * duke@1: * This code is free software; you can redistribute it and/or modify it duke@1: * under the terms of the GNU General Public License version 2 only, as ohair@554: * published by the Free Software Foundation. Oracle designates this duke@1: * particular file as subject to the "Classpath" exception as provided ohair@554: * by Oracle in the LICENSE file that accompanied this code. duke@1: * duke@1: * This code is distributed in the hope that it will be useful, but WITHOUT duke@1: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@1: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@1: * version 2 for more details (a copy is included in the LICENSE file that duke@1: * accompanied this code). duke@1: * duke@1: * You should have received a copy of the GNU General Public License version duke@1: * 2 along with this work; if not, write to the Free Software Foundation, duke@1: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@1: * ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ohair@554: * or visit www.oracle.com if you need additional information or have any ohair@554: * questions. duke@1: */ duke@1: duke@1: package com.sun.tools.javac.processing; duke@1: duke@1: import com.sun.tools.javac.model.JavacElements; duke@1: import com.sun.tools.javac.util.*; duke@1: import com.sun.tools.javac.tree.JCTree; duke@1: import com.sun.tools.javac.tree.JCTree.*; duke@1: import javax.lang.model.element.*; duke@1: import javax.tools.JavaFileObject; duke@1: import javax.tools.Diagnostic; duke@1: import javax.annotation.processing.*; duke@1: duke@1: /** duke@1: * An implementation of the Messager built on top of log. duke@1: * jjg@581: *

This is NOT part of any supported API. duke@1: * If you write code that depends on this, you do so at your own risk. duke@1: * This code and its internal interfaces are subject to change or duke@1: * deletion without notice. duke@1: */ duke@1: public class JavacMessager implements Messager { duke@1: Log log; duke@1: JavacProcessingEnvironment processingEnv; duke@1: int errorCount = 0; jjg@614: int warningCount = 0; duke@1: duke@1: JavacMessager(Context context, JavacProcessingEnvironment processingEnv) { duke@1: log = Log.instance(context); duke@1: this.processingEnv = processingEnv; duke@1: } duke@1: duke@1: // processingEnv.getElementUtils() duke@1: duke@1: public void printMessage(Diagnostic.Kind kind, CharSequence msg) { duke@1: printMessage(kind, msg, null, null, null); duke@1: } duke@1: duke@1: public void printMessage(Diagnostic.Kind kind, CharSequence msg, duke@1: Element e) { duke@1: printMessage(kind, msg, e, null, null); duke@1: } duke@1: duke@1: /** duke@1: * Prints a message of the specified kind at the location of the duke@1: * annotation mirror of the annotated element. duke@1: * duke@1: * @param kind the kind of message duke@1: * @param msg the message, or an empty string if none duke@1: * @param e the annotated element duke@1: * @param a the annotation to use as a position hint duke@1: */ duke@1: public void printMessage(Diagnostic.Kind kind, CharSequence msg, duke@1: Element e, AnnotationMirror a) { duke@1: printMessage(kind, msg, e, a, null); duke@1: } duke@1: duke@1: /** duke@1: * Prints a message of the specified kind at the location of the duke@1: * annotation value inside the annotation mirror of the annotated duke@1: * element. duke@1: * duke@1: * @param kind the kind of message duke@1: * @param msg the message, or an empty string if none duke@1: * @param e the annotated element duke@1: * @param a the annotation containing the annotaiton value duke@1: * @param v the annotation value to use as a position hint duke@1: */ duke@1: public void printMessage(Diagnostic.Kind kind, CharSequence msg, duke@1: Element e, AnnotationMirror a, AnnotationValue v) { duke@1: JavaFileObject oldSource = null; duke@1: JavaFileObject newSource = null; duke@1: JCDiagnostic.DiagnosticPosition pos = null; duke@1: JavacElements elemUtils = processingEnv.getElementUtils(); duke@1: Pair treeTop = elemUtils.getTreeAndTopLevel(e, a, v); duke@1: if (treeTop != null) { duke@1: newSource = treeTop.snd.sourcefile; duke@1: if (newSource != null) { duke@1: oldSource = log.useSource(newSource); duke@1: pos = treeTop.fst.pos(); duke@1: } duke@1: } duke@1: try { duke@1: switch (kind) { duke@1: case ERROR: duke@1: errorCount++; duke@1: boolean prev = log.multipleErrors; duke@1: log.multipleErrors = true; duke@1: try { duke@1: log.error(pos, "proc.messager", msg.toString()); duke@1: } finally { duke@1: log.multipleErrors = prev; duke@1: } duke@1: break; duke@1: duke@1: case WARNING: jjg@614: warningCount++; duke@1: log.warning(pos, "proc.messager", msg.toString()); duke@1: break; duke@1: duke@1: case MANDATORY_WARNING: jjg@614: warningCount++; duke@1: log.mandatoryWarning(pos, "proc.messager", msg.toString()); duke@1: break; duke@1: duke@1: default: duke@1: log.note(pos, "proc.messager", msg.toString()); duke@1: break; duke@1: } duke@1: } finally { duke@1: if (oldSource != null) duke@1: log.useSource(oldSource); duke@1: } duke@1: } duke@1: duke@1: /** duke@1: * Prints an error message. duke@1: * Equivalent to {@code printError(null, msg)}. duke@1: * @param msg the message, or an empty string if none duke@1: */ duke@1: public void printError(String msg) { duke@1: printMessage(Diagnostic.Kind.ERROR, msg); duke@1: } duke@1: duke@1: /** duke@1: * Prints a warning message. duke@1: * Equivalent to {@code printWarning(null, msg)}. duke@1: * @param msg the message, or an empty string if none duke@1: */ duke@1: public void printWarning(String msg) { duke@1: printMessage(Diagnostic.Kind.WARNING, msg); duke@1: } duke@1: duke@1: /** duke@1: * Prints a notice. duke@1: * @param msg the message, or an empty string if none duke@1: */ duke@1: public void printNotice(String msg) { duke@1: printMessage(Diagnostic.Kind.NOTE, msg); duke@1: } duke@1: duke@1: public boolean errorRaised() { duke@1: return errorCount > 0; duke@1: } duke@1: duke@1: public int errorCount() { duke@1: return errorCount; duke@1: } duke@1: jjg@614: public int warningCount() { jjg@614: return warningCount; jjg@614: } jjg@614: duke@1: public void newRound(Context context) { duke@1: log = Log.instance(context); duke@1: errorCount = 0; duke@1: } duke@1: duke@1: public String toString() { duke@1: return "javac Messager"; duke@1: } duke@1: }