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Java example source code file (SourceWriter.java)
The SourceWriter.java Java example source code/* * Copyright (c) 2009, 2010, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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.sun.tools.javap; import java.io.BufferedReader; import java.io.IOException; import java.io.StringReader; import java.util.ArrayList; import java.util.List; import java.util.Set; import java.util.SortedMap; import java.util.SortedSet; import java.util.TreeMap; import java.util.TreeSet; import javax.tools.JavaFileManager; import javax.tools.JavaFileManager.Location; import javax.tools.JavaFileObject; import javax.tools.StandardLocation; import com.sun.tools.classfile.Attribute; import com.sun.tools.classfile.ClassFile; import com.sun.tools.classfile.Code_attribute; import com.sun.tools.classfile.ConstantPoolException; import com.sun.tools.classfile.Instruction; import com.sun.tools.classfile.LineNumberTable_attribute; import com.sun.tools.classfile.SourceFile_attribute; /** * Annotate instructions with source code. * * <p>This is NOT part of any supported API. * If you write code that depends on this, you do so at your own risk. * This code and its internal interfaces are subject to change or * deletion without notice.</b> */ public class SourceWriter extends InstructionDetailWriter { static SourceWriter instance(Context context) { SourceWriter instance = context.get(SourceWriter.class); if (instance == null) instance = new SourceWriter(context); return instance; } protected SourceWriter(Context context) { super(context); context.put(SourceWriter.class, this); } void setFileManager(JavaFileManager fileManager) { this.fileManager = fileManager; } public void reset(ClassFile cf, Code_attribute attr) { setSource(cf); setLineMap(attr); } public void writeDetails(Instruction instr) { String indent = space(40); // could get from Options? Set<Integer> lines = lineMap.get(instr.getPC()); if (lines != null) { for (int line: lines) { print(indent); print(String.format(" %4d ", line)); if (line < sourceLines.length) print(sourceLines[line]); println(); int nextLine = nextLine(line); for (int i = line + 1; i < nextLine; i++) { print(indent); print(String.format("(%4d)", i)); if (i < sourceLines.length) print(sourceLines[i]); println(); } } } } public boolean hasSource() { return (sourceLines.length > 0); } private void setLineMap(Code_attribute attr) { SortedMap<Integer, SortedSet Other Java examples (source code examples)Here is a short list of links related to this Java SourceWriter.java source code file: |
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