langtools/src/share/classes/sun/tools/javap/Main.java
changeset 2987 2e0ca9f4893d
parent 2986 5370c4ae4f6f
child 2988 094272984b53
--- a/langtools/src/share/classes/sun/tools/javap/Main.java	Thu May 28 09:49:56 2009 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,224 +0,0 @@
-/*
- * Copyright 2002-2008 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.  Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun 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 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.
- */
-
-
-
-package sun.tools.javap;
-
-import java.util.*;
-import java.io.*;
-
-/**
- * Entry point for javap, class file disassembler.
- *
- * @author  Sucheta Dambalkar (Adopted code from old javap)
- */
-public class Main {
-
-    private Vector<String> classList = new Vector<String>();
-    private PrintWriter out;
-    JavapEnvironment env = new JavapEnvironment();
-    private static boolean errorOccurred = false;
-    private static final String progname = "javap";
-
-
-    public Main(PrintWriter out){
-        this.out = out;
-    }
-
-    public static void main(String argv[]) {
-        // unless first arg is -Xold, use new javap
-        if (!(argv.length >= 1 && argv[0].equals("-Xold"))) {
-            com.sun.tools.javap.Main.main(argv);
-            return;
-        }
-
-        entry(argv);
-        if (errorOccurred) {
-            System.exit(1);
-        }
-    }
-
-
-    /**
-     * Entry point for tool if you don't want System.exit() called.
-     */
-    public static void entry(String argv[]) {
-        PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
-        try {
-
-            Main jpmain = new Main(out);
-            jpmain.perform(argv);
-
-        } finally {
-            out.close();
-        }
-    }
-
-    /**
-     * Process the arguments and perform the desired action
-     */
-    private void perform(String argv[]) {
-        if (parseArguments(argv)) {
-            displayResults();
-
-        }
-    }
-
-    private void error(String msg) {
-        errorOccurred = true;
-        System.err.println(msg);
-        System.err.flush();
-    }
-
-    /**
-     * Print usage information
-     */
-    private void usage() {
-        java.io.PrintStream out = System.out;
-        out.println("Usage: " + progname + " <options> <classes>...");
-        out.println();
-        out.println("where options include:");
-        out.println("   -c                        Disassemble the code");
-        out.println("   -classpath <pathlist>     Specify where to find user class files");
-        out.println("   -extdirs <dirs>           Override location of installed extensions");
-        out.println("   -help                     Print this usage message");
-        out.println("   -J<flag>                  Pass <flag> directly to the runtime system");
-        out.println("   -l                        Print line number and local variable tables");
-        out.println("   -public                   Show only public classes and members");
-        out.println("   -protected                Show protected/public classes and members");
-        out.println("   -package                  Show package/protected/public classes");
-        out.println("                             and members (default)");
-        out.println("   -private                  Show all classes and members");
-        out.println("   -s                        Print internal type signatures");
-        out.println("   -bootclasspath <pathlist> Override location of class files loaded");
-        out.println("                             by the bootstrap class loader");
-        out.println("   -verbose                  Print stack size, number of locals and args for methods");
-        out.println("                             If verifying, print reasons for failure");
-        out.println();
-    }
-
-    /**
-     * Parse the command line arguments.
-     * Set flags, construct the class list and create environment.
-     */
-    private boolean parseArguments(String argv[]) {
-        for (int i = 0 ; i < argv.length ; i++) {
-            String arg = argv[i];
-            if (arg.startsWith("-")) {
-                if (arg.equals("-l")) {
-                    env.showLineAndLocal = true;
-                } else if (arg.equals("-private") || arg.equals("-p")) {
-                    env.showAccess = env.PRIVATE;
-                } else if (arg.equals("-package")) {
-                    env.showAccess = env.PACKAGE;
-                } else if (arg.equals("-protected")) {
-                    env.showAccess = env.PROTECTED;
-                } else if (arg.equals("-public")) {
-                    env.showAccess = env.PUBLIC;
-                } else if (arg.equals("-c")) {
-                    env.showDisassembled = true;
-                } else if (arg.equals("-s")) {
-                    env.showInternalSigs = true;
-                } else if (arg.equals("-verbose"))  {
-                    env.showVerbose = true;
-                } else if (arg.equals("-v")) {
-                    env.showVerbose = true;
-                } else if (arg.equals("-h")) {
-                    error("-h is no longer available - use the 'javah' program");
-                    return false;
-                } else if (arg.equals("-verify")) {
-                    error("-verify is no longer available - use 'java -verify'");
-                    return false;
-                } else if (arg.equals("-verify-verbose")) {
-                    error("-verify is no longer available - use 'java -verify'");
-                    return false;
-                } else if (arg.equals("-help")) {
-                    usage();
-                    return false;
-                } else if (arg.equals("-classpath")) {
-                    if ((i + 1) < argv.length) {
-                        env.classPathString = argv[++i];
-                    } else {
-                        error("-classpath requires argument");
-                        usage();
-                        return false;
-                    }
-                } else if (arg.equals("-bootclasspath")) {
-                    if ((i + 1) < argv.length) {
-                        env.bootClassPathString = argv[++i];
-                    } else {
-                        error("-bootclasspath requires argument");
-                        usage();
-                        return false;
-                    }
-                } else if (arg.equals("-extdirs")) {
-                    if ((i + 1) < argv.length) {
-                        env.extDirsString = argv[++i];
-                    } else {
-                        error("-extdirs requires argument");
-                        usage();
-                        return false;
-                    }
-                } else if (arg.equals("-all")) {
-                    env.showallAttr = true;
-                } else if (arg.equals("-Xold")) {
-                    // ignore: this is old javap
-                } else {
-                    error("invalid flag: " + arg);
-                    usage();
-                    return false;
-                }
-            } else {
-                classList.addElement(arg);
-                env.nothingToDo = false;
-            }
-        }
-        if (env.nothingToDo) {
-            System.out.println("No classes were specified on the command line.  Try -help.");
-            errorOccurred = true;
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * Display results
-     */
-    private void displayResults() {
-        for (int i = 0; i < classList.size() ; i++ ) {
-            String Name = classList.elementAt(i);
-            InputStream classin = env.getFileInputStream(Name);
-
-            try {
-                JavapPrinter printer = new JavapPrinter(classin, out, env);
-                printer.print();                // actual do display
-
-            } catch (IllegalArgumentException exc) {
-                error(exc.getMessage());
-            }
-        }
-    }
-}