4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini
/*
* Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 4459541
* @summary "javap -l" shows line numbers as signed short; they should be unsigned.
*/
import java.io.*;
public class T4459541 {
public static void main(String[] args) throws Exception {
new T4459541().run();
}
public void run() throws IOException {
File javaFile = writeTestFile();
File classFile = compileTestFile(javaFile);
String output = javap(classFile);
verify(output);
}
File writeTestFile() throws IOException {
File f = new File("Test.java");
out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
println("class Test {");
println("void begin(int i) {");
println("i++;");
println("i++;");
println("}");
while (line < 32750)
println("// " + line);
println("void before_32767(int i) {");
println("i++;");
println("i++;");
println("}");
while (line < 32768-4)
println("// " + line);
println("void straddle_32768(int i) {");
while (line < 32768+4)
println("i++;");
println("}");
while (line < 65520)
println("// " + line);
println("void between_32768_and_65536(int i) {");
println("i++;");
println("i++;");
println("}");
while (line < 65536-4)
println("// " + line);
println("void straddle_65536(int i) {");
while (line < 65536+4)
println("i++;");
println("}");
println("}");
out.close();
return f;
}
File compileTestFile(File f) {
int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() });
if (rc != 0)
throw new Error("compilation failed. rc=" + rc);
String path = f.getPath();
return new File(path.substring(0, path.length() - 5) + ".class");
}
String javap(File f) {
StringWriter sw = new StringWriter();
PrintWriter out = new PrintWriter(sw);
int rc = com.sun.tools.javap.Main.run(new String[] { "-l", f.getPath() }, out);
if (rc != 0)
throw new Error("javap failed. rc=" + rc);
out.close();
return sw.toString();
}
void verify(String output) {
System.out.println(output);
if (output.indexOf("-") >= 0)
throw new Error("- found in output");
}
void println(String text) {
out.println(text);
line++;
}
PrintWriter out;
int line = 1;
}