jtulach@144: /*
jtulach@144:  * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved.
jtulach@144:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jtulach@144:  *
jtulach@144:  * This code is free software; you can redistribute it and/or modify it
jtulach@144:  * under the terms of the GNU General Public License version 2 only, as
jtulach@144:  * published by the Free Software Foundation.  Oracle designates this
jtulach@144:  * particular file as subject to the "Classpath" exception as provided
jtulach@144:  * by Oracle in the LICENSE file that accompanied this code.
jtulach@144:  *
jtulach@144:  * This code is distributed in the hope that it will be useful, but WITHOUT
jtulach@144:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jtulach@144:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jtulach@144:  * version 2 for more details (a copy is included in the LICENSE file that
jtulach@144:  * accompanied this code).
jtulach@144:  *
jtulach@144:  * You should have received a copy of the GNU General Public License version
jtulach@144:  * 2 along with this work; if not, write to the Free Software Foundation,
jtulach@144:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jtulach@144:  *
jtulach@144:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jtulach@144:  * or visit www.oracle.com if you need additional information or have any
jtulach@144:  * questions.
jtulach@144:  */
jtulach@144: 
jtulach@144: 
jtulach@144: package sun.tools.javap;
jtulach@144: 
jtulach@144: import java.util.*;
jtulach@144: import java.io.*;
jtulach@144: 
jtulach@144: import static sun.tools.javap.RuntimeConstants.*;
jtulach@144: 
jtulach@144: /**
jtulach@144:  * Program to print information about class files
jtulach@144:  *
jtulach@144:  * @author  Sucheta Dambalkar
jtulach@144:  */
jtulach@144: public class JavapPrinter {
jtulach@144:     JavapEnvironment env;
jtulach@144:     ClassData cls;
jtulach@144:     byte[] code;
jtulach@144:     String lP= "";
jtulach@144:     PrintWriter out;
jtulach@144: 
jtulach@144:     public JavapPrinter(InputStream cname, PrintWriter out, JavapEnvironment env){
jtulach@144:         this.out = out;
jtulach@144:         this.cls =  new ClassData(cname);
jtulach@144:         this.env = env;
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      *  Entry point to print class file information.
jtulach@144:      */
jtulach@144:     public void print(){
jtulach@144:         printclassHeader();
jtulach@144:         printfields();
jtulach@144:         printMethods();
jtulach@144:         printend();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print a description of the class (not members).
jtulach@144:      */
jtulach@144:     public void printclassHeader(){
jtulach@144:         String srcName="";
jtulach@144:         if ((srcName = cls.getSourceName()) != "null") // requires debug info
jtulach@144:             out.println("Compiled from " + javaclassname(srcName));
jtulach@144: 
jtulach@144:         if(cls.isInterface())   {
jtulach@144:             // The only useful access modifier of an interface is
jtulach@144:             // public; interfaces are always marked as abstract and
jtulach@144:             // cannot be final.
jtulach@144:             out.print((cls.isPublic()?"public ":"") +
jtulach@144:                       "interface "+ javaclassname(cls.getClassName()));
jtulach@144:         }
jtulach@144:         else if(cls.isClass()) {
jtulach@144:             String []accflags =  cls.getAccess();
jtulach@144:             printAccess(accflags);
jtulach@144:             out.print("class "+ javaclassname(cls.getClassName()));
jtulach@144: 
jtulach@144:             if(cls.getSuperClassName() != null){
jtulach@144:                 out.print(" extends " + javaclassname(cls.getSuperClassName()));
jtulach@144:             }
jtulach@144:         }
jtulach@144: 
jtulach@144:         String []interfacelist =  cls.getSuperInterfaces();
jtulach@144:         if(interfacelist.length > 0){
jtulach@144:             if(cls.isClass()) {
jtulach@144:                 out.print(" implements ");
jtulach@144:             }
jtulach@144:             else if(cls.isInterface()){
jtulach@144:                 out.print(" extends ");
jtulach@144:             }
jtulach@144: 
jtulach@144:             for(int j = 0; j < interfacelist.length; j++){
jtulach@144:                 out.print(javaclassname(interfacelist[j]));
jtulach@144: 
jtulach@144:                 if((j+1) < interfacelist.length) {
jtulach@144:                     out.print(",");
jtulach@144:                 }
jtulach@144:             }
jtulach@144:         }
jtulach@144: 
jtulach@144:         // Print class attribute information.
jtulach@144:         if((env.showallAttr) || (env.showVerbose)){
jtulach@144:             printClassAttributes();
jtulach@144:         }
jtulach@144:         // Print verbose output.
jtulach@144:         if(env.showVerbose){
jtulach@144:             printverbosecls();
jtulach@144:         }
jtulach@144:         out.println("{");
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print verbose output.
jtulach@144:      */
jtulach@144:     public void printverbosecls(){
jtulach@144:         out.println("  minor version: "+cls.getMinor_version());
jtulach@144:         out.println("  major version: "+cls.getMajor_version());
jtulach@144:         out.println("  Constant pool:");
jtulach@144:         printcp();
jtulach@144:         env.showallAttr = true;
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print class attribute information.
jtulach@144:      */
jtulach@144:     public void printClassAttributes(){
jtulach@144:         out.println();
jtulach@144:         AttrData[] clsattrs = cls.getAttributes();
jtulach@144:         for(int i = 0; i < clsattrs.length; i++){
jtulach@144:             String clsattrname = clsattrs[i].getAttrName();
jtulach@144:             if(clsattrname.equals("SourceFile")){
jtulach@144:                 out.println("  SourceFile: "+ cls.getSourceName());
jtulach@144:             }else if(clsattrname.equals("InnerClasses")){
jtulach@144:                 printInnerClasses();
jtulach@144:             }else {
jtulach@144:                 printAttrData(clsattrs[i]);
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print the fields
jtulach@144:      */
jtulach@144:     public void printfields(){
jtulach@144:         FieldData[] fields = cls.getFields();
jtulach@144:         for(int f = 0; f < fields.length; f++){
jtulach@144:             String[] accflags = fields[f].getAccess();
jtulach@144:             if(checkAccess(accflags)){
jtulach@144:                 if(!(env. showLineAndLocal || env.showDisassembled || env.showVerbose
jtulach@144:                      ||  env.showInternalSigs || env.showallAttr)){
jtulach@144:                     out.print("    ");
jtulach@144:                 }
jtulach@144:                 printAccess(accflags);
jtulach@144:                 out.println(fields[f].getType()+" " +fields[f].getName()+";");
jtulach@144:                 if (env.showInternalSigs) {
jtulach@144:                     out.println("  Signature: " + (fields[f].getInternalSig()));
jtulach@144:                 }
jtulach@144: 
jtulach@144:                 // print field attribute information.
jtulach@144:                 if (env.showallAttr){
jtulach@144:                     printFieldAttributes(fields[f]);
jtulach@144: 
jtulach@144:                 }
jtulach@144:                 if((env.showDisassembled) || (env.showLineAndLocal)){
jtulach@144:                     out.println();
jtulach@144:                 }
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144: 
jtulach@144:     /* print field attribute information. */
jtulach@144:     public void printFieldAttributes(FieldData field){
jtulach@144:         Vector fieldattrs = field.getAttributes();
jtulach@144:         for(int j = 0; j < fieldattrs.size(); j++){
jtulach@144:             String fieldattrname = ((AttrData)fieldattrs.elementAt(j)).getAttrName();
jtulach@144:             if(fieldattrname.equals("ConstantValue")){
jtulach@144:                 printConstantValue(field);
jtulach@144:             }else if (fieldattrname.equals("Deprecated")){
jtulach@144:                 out.println("Deprecated: "+ field.isDeprecated());
jtulach@144:             }else if (fieldattrname.equals("Synthetic")){
jtulach@144:                 out.println("  Synthetic: "+ field.isSynthetic());
jtulach@144:             }else {
jtulach@144:                 printAttrData((AttrData)fieldattrs.elementAt(j));
jtulach@144:             }
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print the methods
jtulach@144:      */
jtulach@144:     public void printMethods(){
jtulach@144:         MethodData[] methods = cls.getMethods();
jtulach@144:         for(int m = 0; m < methods.length; m++){
jtulach@144:             String[] accflags = methods[m].getAccess();
jtulach@144:             if(checkAccess(accflags)){
jtulach@144:                 if(!(env. showLineAndLocal || env.showDisassembled || env.showVerbose
jtulach@144:                      ||  env.showInternalSigs || env.showallAttr)){
jtulach@144:                     out.print("    ");
jtulach@144:                 }
jtulach@144:                 printMethodSignature(methods[m], accflags);
jtulach@144:                 printExceptions(methods[m]);
jtulach@144:                 out.println(";");
jtulach@144: 
jtulach@144:                 // Print internal signature of method.
jtulach@144:                 if (env.showInternalSigs){
jtulach@144:                     out.println("  Signature: " + (methods[m].getInternalSig()));
jtulach@144:                 }
jtulach@144: 
jtulach@144:                 //Print disassembled code.
jtulach@144:                 if(env.showDisassembled && ! env.showallAttr) {
jtulach@144:                     printcodeSequence(methods[m]);
jtulach@144:                     printExceptionTable(methods[m]);
jtulach@144:                     out.println();
jtulach@144:                 }
jtulach@144: 
jtulach@144:                 // Print line and local variable attribute information.
jtulach@144:                 if (env.showLineAndLocal) {
jtulach@144:                     printLineNumTable(methods[m]);
jtulach@144:                     printLocVarTable(methods[m]);
jtulach@144:                     out.println();
jtulach@144:                 }
jtulach@144: 
jtulach@144:                 // Print  method attribute information.
jtulach@144:                 if (env.showallAttr){
jtulach@144:                     printMethodAttributes(methods[m]);
jtulach@144:                 }
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print method signature.
jtulach@144:      */
jtulach@144:     public void printMethodSignature(MethodData method, String[] accflags){
jtulach@144:         printAccess(accflags);
jtulach@144: 
jtulach@144:         if((method.getName()).equals("<init>")){
jtulach@144:             out.print(javaclassname(cls.getClassName()));
jtulach@144:             out.print(method.getParameters());
jtulach@144:         }else if((method.getName()).equals("<clinit>")){
jtulach@144:             out.print("{}");
jtulach@144:         }else{
jtulach@144:             out.print(method.getReturnType()+" ");
jtulach@144:             out.print(method.getName());
jtulach@144:             out.print(method.getParameters());
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * print method attribute information.
jtulach@144:      */
jtulach@144:     public void printMethodAttributes(MethodData method){
jtulach@144:         Vector methodattrs = method.getAttributes();
jtulach@144:         Vector codeattrs =  method.getCodeAttributes();
jtulach@144:         for(int k = 0; k < methodattrs.size(); k++){
jtulach@144:             String methodattrname = ((AttrData)methodattrs.elementAt(k)).getAttrName();
jtulach@144:             if(methodattrname.equals("Code")){
jtulach@144:                 printcodeSequence(method);
jtulach@144:                 printExceptionTable(method);
jtulach@144:                 for(int c = 0; c < codeattrs.size(); c++){
jtulach@144:                     String codeattrname = ((AttrData)codeattrs.elementAt(c)).getAttrName();
jtulach@144:                     if(codeattrname.equals("LineNumberTable")){
jtulach@144:                         printLineNumTable(method);
jtulach@144:                     }else if(codeattrname.equals("LocalVariableTable")){
jtulach@144:                         printLocVarTable(method);
jtulach@144:                     }else if(codeattrname.equals("StackMapTable")) {
jtulach@144:                         // Java SE JSR 202 stack map tables
jtulach@144:                         printStackMapTable(method);
jtulach@144:                     }else if(codeattrname.equals("StackMap")) {
jtulach@144:                         // Java ME CLDC stack maps
jtulach@144:                         printStackMap(method);
jtulach@144:                     } else {
jtulach@144:                         printAttrData((AttrData)codeattrs.elementAt(c));
jtulach@144:                     }
jtulach@144:                 }
jtulach@144:             }else if(methodattrname.equals("Exceptions")){
jtulach@144:                 out.println("  Exceptions: ");
jtulach@144:                 printExceptions(method);
jtulach@144:             }else if (methodattrname.equals("Deprecated")){
jtulach@144:                 out.println("  Deprecated: "+ method.isDeprecated());
jtulach@144:             }else if (methodattrname.equals("Synthetic")){
jtulach@144:                 out.println("  Synthetic: "+ method.isSynthetic());
jtulach@144:             }else {
jtulach@144:                 printAttrData((AttrData)methodattrs.elementAt(k));
jtulach@144:             }
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print exceptions.
jtulach@144:      */
jtulach@144:     public void printExceptions(MethodData method){
jtulach@144:         int []exc_index_table = method.get_exc_index_table();
jtulach@144:         if (exc_index_table != null) {
jtulach@144:             if(!(env. showLineAndLocal || env.showDisassembled || env.showVerbose
jtulach@144:                  ||  env.showInternalSigs || env.showallAttr)){
jtulach@144:                 out.print("    ");
jtulach@144:             }
jtulach@144:             out.print("   throws ");
jtulach@144:             int k;
jtulach@144:             int l = exc_index_table.length;
jtulach@144: 
jtulach@144:             for (k=0; k<l; k++) {
jtulach@144:                 out.print(javaclassname(cls.getClassName(exc_index_table[k])));
jtulach@144:                 if (k<l-1) out.print(", ");
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print code sequence.
jtulach@144:      */
jtulach@144:     public void  printcodeSequence(MethodData method){
jtulach@144:         code = method.getCode();
jtulach@144:         if(code != null){
jtulach@144:             out.println("  Code:");
jtulach@144:             if(env.showVerbose){
jtulach@144:                 printVerboseHeader(method);
jtulach@144:             }
jtulach@144: 
jtulach@144:             for (int pc=0; pc < code.length; ) {
jtulach@144:                 out.print("   "+pc+":\t");
jtulach@144:                 pc=pc+printInstr(pc);
jtulach@144:                 out.println();
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print instructions.
jtulach@144:      */
jtulach@144:     public int printInstr(int pc){
jtulach@144:         int opcode = getUbyte(pc);
jtulach@144:         int opcode2;
jtulach@144:         String mnem;
jtulach@144:         switch (opcode) {
jtulach@144:         case opc_nonpriv:
jtulach@144:         case opc_priv:
jtulach@144:             opcode2 = getUbyte(pc+1);
jtulach@144:             mnem=Tables.opcName((opcode<<8)+opcode2);
jtulach@144:             if (mnem==null)
jtulach@144:                 // assume all (even nonexistent) priv and nonpriv instructions
jtulach@144:                 // are 2 bytes long
jtulach@144:                 mnem=Tables.opcName(opcode)+" "+opcode2;
jtulach@144:             out.print(mnem);
jtulach@144:             return 2;
jtulach@144:         case opc_wide: {
jtulach@144:             opcode2 = getUbyte(pc+1);
jtulach@144:             mnem=Tables.opcName((opcode<<8)+opcode2);
jtulach@144:             if (mnem==null) {
jtulach@144:                 // nonexistent opcode - but we have to print something
jtulach@144:                 out.print("bytecode "+opcode);
jtulach@144:                 return 1;
jtulach@144:             }
jtulach@144:             out.print(mnem+" "+getUShort(pc+2));
jtulach@144:             if (opcode2==opc_iinc) {
jtulach@144:                 out.print(", "+getShort(pc+4));
jtulach@144:                 return 6;
jtulach@144:             }
jtulach@144:             return 4;
jtulach@144:         }
jtulach@144:         }
jtulach@144:         mnem=Tables.opcName(opcode);
jtulach@144:         if (mnem==null) {
jtulach@144:             // nonexistent opcode - but we have to print something
jtulach@144:             out.print("bytecode "+opcode);
jtulach@144:             return 1;
jtulach@144:         }
jtulach@144:         if (opcode>opc_jsr_w) {
jtulach@144:             // pseudo opcodes should be printed as bytecodes
jtulach@144:             out.print("bytecode "+opcode);
jtulach@144:             return 1;
jtulach@144:         }
jtulach@144:         out.print(Tables.opcName(opcode));
jtulach@144:         switch (opcode) {
jtulach@144:         case opc_aload: case opc_astore:
jtulach@144:         case opc_fload: case opc_fstore:
jtulach@144:         case opc_iload: case opc_istore:
jtulach@144:         case opc_lload: case opc_lstore:
jtulach@144:         case opc_dload: case opc_dstore:
jtulach@144:         case opc_ret:
jtulach@144:             out.print("\t"+getUbyte(pc+1));
jtulach@144:             return  2;
jtulach@144:         case opc_iinc:
jtulach@144:             out.print("\t"+getUbyte(pc+1)+", "+getbyte(pc+2));
jtulach@144:             return  3;
jtulach@144:         case opc_tableswitch:{
jtulach@144:             int tb=align(pc+1);
jtulach@144:             int default_skip = getInt(tb); /* default skip pamount */
jtulach@144:             int low = getInt(tb+4);
jtulach@144:             int high = getInt(tb+8);
jtulach@144:             int count = high - low;
jtulach@144:             out.print("{ //"+low+" to "+high);
jtulach@144:             for (int i = 0; i <= count; i++)
jtulach@144:                 out.print( "\n\t\t" + (i+low) + ": "+lP+(pc+getInt(tb+12+4*i))+";");
jtulach@144:             out.print("\n\t\tdefault: "+lP+(default_skip + pc) + " }");
jtulach@144:             return tb-pc+16+count*4;
jtulach@144:         }
jtulach@144: 
jtulach@144:         case opc_lookupswitch:{
jtulach@144:             int tb=align(pc+1);
jtulach@144:             int default_skip = getInt(tb);
jtulach@144:             int npairs = getInt(tb+4);
jtulach@144:             out.print("{ //"+npairs);
jtulach@144:             for (int i = 1; i <= npairs; i++)
jtulach@144:                 out.print("\n\t\t"+getInt(tb+i*8)
jtulach@144:                                  +": "+lP+(pc+getInt(tb+4+i*8))+";"
jtulach@144:                                  );
jtulach@144:             out.print("\n\t\tdefault: "+lP+(default_skip + pc) + " }");
jtulach@144:             return tb-pc+(npairs+1)*8;
jtulach@144:         }
jtulach@144:         case opc_newarray:
jtulach@144:             int type=getUbyte(pc+1);
jtulach@144:             switch (type) {
jtulach@144:             case T_BOOLEAN:out.print(" boolean");break;
jtulach@144:             case T_BYTE:   out.print(" byte");   break;
jtulach@144:             case T_CHAR:   out.print(" char");   break;
jtulach@144:             case T_SHORT:  out.print(" short");  break;
jtulach@144:             case T_INT:    out.print(" int");    break;
jtulach@144:             case T_LONG:   out.print(" long");   break;
jtulach@144:             case T_FLOAT:  out.print(" float");  break;
jtulach@144:             case T_DOUBLE: out.print(" double"); break;
jtulach@144:             case T_CLASS:  out.print(" class"); break;
jtulach@144:             default:       out.print(" BOGUS TYPE:"+type);
jtulach@144:             }
jtulach@144:             return 2;
jtulach@144: 
jtulach@144:         case opc_anewarray: {
jtulach@144:             int index =  getUShort(pc+1);
jtulach@144:             out.print("\t#"+index+"; //");
jtulach@144:             PrintConstant(index);
jtulach@144:             return 3;
jtulach@144:         }
jtulach@144: 
jtulach@144:         case opc_sipush:
jtulach@144:             out.print("\t"+getShort(pc+1));
jtulach@144:             return 3;
jtulach@144: 
jtulach@144:         case opc_bipush:
jtulach@144:             out.print("\t"+getbyte(pc+1));
jtulach@144:             return 2;
jtulach@144: 
jtulach@144:         case opc_ldc: {
jtulach@144:             int index = getUbyte(pc+1);
jtulach@144:             out.print("\t#"+index+"; //");
jtulach@144:             PrintConstant(index);
jtulach@144:             return 2;
jtulach@144:         }
jtulach@144: 
jtulach@144:         case opc_ldc_w: case opc_ldc2_w:
jtulach@144:         case opc_instanceof: case opc_checkcast:
jtulach@144:         case opc_new:
jtulach@144:         case opc_putstatic: case opc_getstatic:
jtulach@144:         case opc_putfield: case opc_getfield:
jtulach@144:         case opc_invokevirtual:
jtulach@144:         case opc_invokespecial:
jtulach@144:         case opc_invokestatic: {
jtulach@144:             int index = getUShort(pc+1);
jtulach@144:             out.print("\t#"+index+"; //");
jtulach@144:             PrintConstant(index);
jtulach@144:             return 3;
jtulach@144:         }
jtulach@144: 
jtulach@144:         case opc_invokeinterface: {
jtulach@144:             int index = getUShort(pc+1), nargs=getUbyte(pc+3);
jtulach@144:             out.print("\t#"+index+",  "+nargs+"; //");
jtulach@144:             PrintConstant(index);
jtulach@144:             return 5;
jtulach@144:         }
jtulach@144: 
jtulach@144:         case opc_multianewarray: {
jtulach@144:             int index = getUShort(pc+1), dimensions=getUbyte(pc+3);
jtulach@144:             out.print("\t#"+index+",  "+dimensions+"; //");
jtulach@144:             PrintConstant(index);
jtulach@144:             return 4;
jtulach@144:         }
jtulach@144:         case opc_jsr: case opc_goto:
jtulach@144:         case opc_ifeq: case opc_ifge: case opc_ifgt:
jtulach@144:         case opc_ifle: case opc_iflt: case opc_ifne:
jtulach@144:         case opc_if_icmpeq: case opc_if_icmpne: case opc_if_icmpge:
jtulach@144:         case opc_if_icmpgt: case opc_if_icmple: case opc_if_icmplt:
jtulach@144:         case opc_if_acmpeq: case opc_if_acmpne:
jtulach@144:         case opc_ifnull: case opc_ifnonnull:
jtulach@144:             out.print("\t"+lP+(pc + getShort(pc+1)) );
jtulach@144:             return 3;
jtulach@144: 
jtulach@144:         case opc_jsr_w:
jtulach@144:         case opc_goto_w:
jtulach@144:             out.print("\t"+lP+(pc + getInt(pc+1)));
jtulach@144:             return 5;
jtulach@144: 
jtulach@144:         default:
jtulach@144:             return 1;
jtulach@144:         }
jtulach@144:     }
jtulach@144:     /**
jtulach@144:      * Print code attribute details.
jtulach@144:      */
jtulach@144:     public void printVerboseHeader(MethodData method) {
jtulach@144:         int argCount = method.getArgumentlength();
jtulach@144:         if (!method.isStatic())
jtulach@144:             ++argCount;  // for 'this'
jtulach@144: 
jtulach@144:         out.println("   Stack=" + method.getMaxStack()
jtulach@144:                            + ", Locals=" + method.getMaxLocals()
jtulach@144:                            + ", Args_size=" + argCount);
jtulach@144: 
jtulach@144:     }
jtulach@144: 
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print the exception table for this method code
jtulach@144:      */
jtulach@144:     void printExceptionTable(MethodData method){//throws IOException
jtulach@144:         Vector exception_table = method.getexception_table();
jtulach@144:         if (exception_table.size() > 0) {
jtulach@144:             out.println("  Exception table:");
jtulach@144:             out.println("   from   to  target type");
jtulach@144:             for (int idx = 0; idx < exception_table.size(); ++idx) {
jtulach@144:                 TrapData handler = (TrapData)exception_table.elementAt(idx);
jtulach@144:                 printFixedWidthInt(handler.start_pc, 6);
jtulach@144:                 printFixedWidthInt(handler.end_pc, 6);
jtulach@144:                 printFixedWidthInt(handler.handler_pc, 6);
jtulach@144:                 out.print("   ");
jtulach@144:                 int catch_cpx = handler.catch_cpx;
jtulach@144:                 if (catch_cpx == 0) {
jtulach@144:                     out.println("any");
jtulach@144:                 }else {
jtulach@144:                     out.print("Class ");
jtulach@144:                     out.println(cls.getClassName(catch_cpx));
jtulach@144:                     out.println("");
jtulach@144:                 }
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print LineNumberTable attribute information.
jtulach@144:      */
jtulach@144:     public void printLineNumTable(MethodData method) {
jtulach@144:         int numlines = method.getnumlines();
jtulach@144:         Vector lin_num_tb = method.getlin_num_tb();
jtulach@144:         if( lin_num_tb.size() > 0){
jtulach@144:             out.println("  LineNumberTable: ");
jtulach@144:             for (int i=0; i<numlines; i++) {
jtulach@144:                 LineNumData linnumtb_entry=(LineNumData)lin_num_tb.elementAt(i);
jtulach@144:                 out.println("   line " + linnumtb_entry.line_number + ": "
jtulach@144:                                + linnumtb_entry.start_pc);
jtulach@144:             }
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print LocalVariableTable attribute information.
jtulach@144:      */
jtulach@144:     public void printLocVarTable(MethodData method){
jtulach@144:         int siz = method.getloc_var_tbsize();
jtulach@144:         if(siz > 0){
jtulach@144:             out.println("  LocalVariableTable: ");
jtulach@144:             out.print("   ");
jtulach@144:             out.println("Start  Length  Slot  Name   Signature");
jtulach@144:         }
jtulach@144:         Vector loc_var_tb = method.getloc_var_tb();
jtulach@144: 
jtulach@144:         for (int i=0; i<siz; i++) {
jtulach@144:             LocVarData entry=(LocVarData)loc_var_tb.elementAt(i);
jtulach@144: 
jtulach@144:             out.println("   "+entry.start_pc+"      "+entry.length+"      "+
jtulach@144:                                entry.slot+"    "+cls.StringValue(entry.name_cpx)  +
jtulach@144:                                "       "+cls.StringValue(entry.sig_cpx));
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print StackMap attribute information.
jtulach@144:      */
jtulach@144:     public void printStackMap(MethodData method) {
jtulach@144:         StackMapData[] stack_map_tb = method.getStackMap();
jtulach@144:         int number_of_entries = stack_map_tb.length;
jtulach@144:         if (number_of_entries > 0) {
jtulach@144:             out.println("  StackMap: number_of_entries = " + number_of_entries);
jtulach@144: 
jtulach@144:             for (StackMapData frame : stack_map_tb) {
jtulach@144:                 frame.print(this);
jtulach@144:             }
jtulach@144:         }
jtulach@144:        out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print StackMapTable attribute information.
jtulach@144:      */
jtulach@144:     public void printStackMapTable(MethodData method) {
jtulach@144:         StackMapTableData[] stack_map_tb = method.getStackMapTable();
jtulach@144:         int number_of_entries = stack_map_tb.length;
jtulach@144:         if (number_of_entries > 0) {
jtulach@144:             out.println("  StackMapTable: number_of_entries = " + number_of_entries);
jtulach@144: 
jtulach@144:             for (StackMapTableData frame : stack_map_tb) {
jtulach@144:                 frame.print(this);
jtulach@144:             }
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     void printMap(String name, int[] map) {
jtulach@144:         out.print(name);
jtulach@144:         for (int i=0; i<map.length; i++) {
jtulach@144:             int fulltype = map[i];
jtulach@144:             int type = fulltype & 0xFF;
jtulach@144:             int argument = fulltype >> 8;
jtulach@144:             switch (type) {
jtulach@144:                 case ITEM_Object:
jtulach@144:                     out.print(" ");
jtulach@144:                     PrintConstant(argument);
jtulach@144:                     break;
jtulach@144:                 case ITEM_NewObject:
jtulach@144:                     out.print(" " + Tables.mapTypeName(type));
jtulach@144:                     out.print(" " + argument);
jtulach@144:                     break;
jtulach@144:                 default:
jtulach@144:                     out.print(" " + Tables.mapTypeName(type));
jtulach@144:             }
jtulach@144:             out.print( (i==(map.length-1)? ' ' : ','));
jtulach@144:         }
jtulach@144:         out.println("]");
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print ConstantValue attribute information.
jtulach@144:      */
jtulach@144:     public void printConstantValue(FieldData field){
jtulach@144:         out.print("  Constant value: ");
jtulach@144:         int cpx = (field.getConstantValueIndex());
jtulach@144:         byte tag=0;
jtulach@144:         try {
jtulach@144:             tag=cls.getTag(cpx);
jtulach@144: 
jtulach@144:         } catch (IndexOutOfBoundsException e) {
jtulach@144:             out.print("Error:");
jtulach@144:             return;
jtulach@144:         }
jtulach@144:         switch (tag) {
jtulach@144:         case CONSTANT_METHOD:
jtulach@144:         case CONSTANT_INTERFACEMETHOD:
jtulach@144:         case CONSTANT_FIELD: {
jtulach@144:             CPX2 x = (CPX2)(cls.getCpoolEntry(cpx));
jtulach@144:             if (x.cpx1 == cls.getthis_cpx()) {
jtulach@144:                 // don't print class part for local references
jtulach@144:                 cpx=x.cpx2;
jtulach@144:             }
jtulach@144:         }
jtulach@144:         }
jtulach@144:         out.print(cls.TagString(tag)+" "+ cls.StringValue(cpx));
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print InnerClass attribute information.
jtulach@144:      */
jtulach@144:     public void printInnerClasses(){//throws ioexception
jtulach@144: 
jtulach@144:         InnerClassData[] innerClasses = cls.getInnerClasses();
jtulach@144:         if(innerClasses != null){
jtulach@144:             if(innerClasses.length > 0){
jtulach@144:                 out.print("  ");
jtulach@144:                 out.println("InnerClass: ");
jtulach@144:                 for(int i = 0 ; i < innerClasses.length; i++){
jtulach@144:                     out.print("   ");
jtulach@144:                     //access
jtulach@144:                     String[] accflags = innerClasses[i].getAccess();
jtulach@144:                     if(checkAccess(accflags)){
jtulach@144:                         printAccess(accflags);
jtulach@144:                         if (innerClasses[i].inner_name_index!=0) {
jtulach@144:                             out.print("#"+innerClasses[i].inner_name_index+"= ");
jtulach@144:                         }
jtulach@144:                         out.print("#"+innerClasses[i].inner_class_info_index);
jtulach@144:                         if (innerClasses[i].outer_class_info_index!=0) {
jtulach@144:                             out.print(" of #"+innerClasses[i].outer_class_info_index);
jtulach@144:                         }
jtulach@144:                         out.print("; //");
jtulach@144:                         if (innerClasses[i].inner_name_index!=0) {
jtulach@144:                             out.print(cls.getName(innerClasses[i].inner_name_index)+"=");
jtulach@144:                         }
jtulach@144:                         PrintConstant(innerClasses[i].inner_class_info_index);
jtulach@144:                         if (innerClasses[i].outer_class_info_index!=0) {
jtulach@144:                             out.print(" of ");
jtulach@144:                             PrintConstant(innerClasses[i].outer_class_info_index);
jtulach@144:                         }
jtulach@144:                         out.println();
jtulach@144:                     }
jtulach@144:                 }
jtulach@144: 
jtulach@144:             }
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print constant pool information.
jtulach@144:      */
jtulach@144:     public void printcp(){
jtulach@144:         int cpx = 1 ;
jtulach@144: 
jtulach@144:         while (cpx < cls.getCpoolCount()) {
jtulach@144:             out.print("const #"+cpx+" = ");
jtulach@144:             cpx+=PrintlnConstantEntry(cpx);
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print constant pool entry information.
jtulach@144:      */
jtulach@144:     public int PrintlnConstantEntry(int cpx) {
jtulach@144:         int size=1;
jtulach@144:         byte tag=0;
jtulach@144:         try {
jtulach@144:             tag=cls.getTag(cpx);
jtulach@144:         } catch (IndexOutOfBoundsException e) {
jtulach@144:             out.println("  <Incorrect CP index>");
jtulach@144:             return 1;
jtulach@144:         }
jtulach@144:         out.print(cls.StringTag(cpx)+"\t");
jtulach@144:         Object x=cls.getCpoolEntryobj(cpx);
jtulach@144:         if (x==null) {
jtulach@144:             switch (tag) {
jtulach@144:             case CONSTANT_LONG:
jtulach@144:             case CONSTANT_DOUBLE:
jtulach@144:                 size=2;
jtulach@144:             }
jtulach@144:             out.println("null;");
jtulach@144:             return size;
jtulach@144:         }
jtulach@144:         String str=cls.StringValue(cpx);
jtulach@144: 
jtulach@144:         switch (tag) {
jtulach@144:         case CONSTANT_CLASS:
jtulach@144:         case CONSTANT_STRING:
jtulach@144:             out.println("#"+(((CPX)x).cpx)+";\t//  "+str);
jtulach@144:             break;
jtulach@144:         case CONSTANT_FIELD:
jtulach@144:         case CONSTANT_METHOD:
jtulach@144:         case CONSTANT_INTERFACEMETHOD:
jtulach@144:             out.println("#"+((CPX2)x).cpx1+".#"+((CPX2)x).cpx2+";\t//  "+str);
jtulach@144:             break;
jtulach@144:         case CONSTANT_NAMEANDTYPE:
jtulach@144:             out.println("#"+((CPX2)x).cpx1+":#"+((CPX2)x).cpx2+";//  "+str);
jtulach@144:             break;
jtulach@144:         case CONSTANT_LONG:
jtulach@144:         case CONSTANT_DOUBLE:
jtulach@144:             size=2;
jtulach@144:         default:
jtulach@144:             out.println(str+";");
jtulach@144:         }
jtulach@144:         return size;
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Checks access of class, field or method.
jtulach@144:      */
jtulach@144:     public boolean checkAccess(String accflags[]){
jtulach@144: 
jtulach@144:         boolean ispublic = false;
jtulach@144:         boolean isprotected = false;
jtulach@144:         boolean isprivate = false;
jtulach@144:         boolean ispackage = false;
jtulach@144: 
jtulach@144:         for(int i= 0; i < accflags.length; i++){
jtulach@144:             if(accflags[i].equals("public")) ispublic = true;
jtulach@144:             else if (accflags[i].equals("protected")) isprotected = true;
jtulach@144:             else if (accflags[i].equals("private")) isprivate = true;
jtulach@144:         }
jtulach@144: 
jtulach@144:         if(!(ispublic || isprotected || isprivate)) ispackage = true;
jtulach@144: 
jtulach@144:         if((env.showAccess == env.PUBLIC) && (isprotected || isprivate || ispackage)) return false;
jtulach@144:         else if((env.showAccess == env.PROTECTED) && (isprivate || ispackage)) return false;
jtulach@144:         else if((env.showAccess == env.PACKAGE) && (isprivate)) return false;
jtulach@144:         else return true;
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Prints access of class, field or method.
jtulach@144:      */
jtulach@144:     public void printAccess(String []accflags){
jtulach@144:         for(int j = 0; j < accflags.length; j++){
jtulach@144:             out.print(accflags[j]+" ");
jtulach@144:         }
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print an integer so that it takes 'length' characters in
jtulach@144:      * the output.  Temporary until formatting code is stable.
jtulach@144:      */
jtulach@144:     public void printFixedWidthInt(long x, int length) {
jtulach@144:         CharArrayWriter baStream = new CharArrayWriter();
jtulach@144:         PrintWriter pStream = new PrintWriter(baStream);
jtulach@144:         pStream.print(x);
jtulach@144:         String str = baStream.toString();
jtulach@144:         for (int cnt = length - str.length(); cnt > 0; --cnt)
jtulach@144:             out.print(' ');
jtulach@144:         out.print(str);
jtulach@144:     }
jtulach@144: 
jtulach@144:     protected int getbyte (int pc) {
jtulach@144:         return code[pc];
jtulach@144:     }
jtulach@144: 
jtulach@144:     protected int getUbyte (int pc) {
jtulach@144:         return code[pc]&0xFF;
jtulach@144:     }
jtulach@144: 
jtulach@144:     int getShort (int pc) {
jtulach@144:         return (code[pc]<<8) | (code[pc+1]&0xFF);
jtulach@144:     }
jtulach@144: 
jtulach@144:     int getUShort (int pc) {
jtulach@144:         return ((code[pc]<<8) | (code[pc+1]&0xFF))&0xFFFF;
jtulach@144:     }
jtulach@144: 
jtulach@144:     protected int getInt (int pc) {
jtulach@144:         return (getShort(pc)<<16) | (getShort(pc+2)&0xFFFF);
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print constant value at that index.
jtulach@144:      */
jtulach@144:     void PrintConstant(int cpx) {
jtulach@144:         if (cpx==0) {
jtulach@144:             out.print("#0");
jtulach@144:             return;
jtulach@144:         }
jtulach@144:         byte tag=0;
jtulach@144:         try {
jtulach@144:             tag=cls.getTag(cpx);
jtulach@144: 
jtulach@144:         } catch (IndexOutOfBoundsException e) {
jtulach@144:             out.print("#"+cpx);
jtulach@144:             return;
jtulach@144:         }
jtulach@144:         switch (tag) {
jtulach@144:         case CONSTANT_METHOD:
jtulach@144:         case CONSTANT_INTERFACEMETHOD:
jtulach@144:         case CONSTANT_FIELD: {
jtulach@144:             // CPX2 x=(CPX2)(cpool[cpx]);
jtulach@144:             CPX2 x = (CPX2)(cls.getCpoolEntry(cpx));
jtulach@144:             if (x.cpx1 == cls.getthis_cpx()) {
jtulach@144:                 // don't print class part for local references
jtulach@144:                 cpx=x.cpx2;
jtulach@144:             }
jtulach@144:         }
jtulach@144:         }
jtulach@144:         out.print(cls.TagString(tag)+" "+ cls.StringValue(cpx));
jtulach@144:     }
jtulach@144: 
jtulach@144:     protected static int  align (int n) {
jtulach@144:         return (n+3) & ~3 ;
jtulach@144:     }
jtulach@144: 
jtulach@144:     public void printend(){
jtulach@144:         out.println("}");
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: 
jtulach@144:     public String javaclassname(String name){
jtulach@144:         return name.replace('/','.');
jtulach@144:     }
jtulach@144: 
jtulach@144:     /**
jtulach@144:      * Print attribute data in hex.
jtulach@144:      */
jtulach@144:     public void printAttrData(AttrData attr){
jtulach@144:         byte []data = attr.getData();
jtulach@144:         int i = 0;
jtulach@144:         int j = 0;
jtulach@144:         out.print("  "+attr.getAttrName()+": ");
jtulach@144:         out.println("length = " + cls.toHex(attr.datalen));
jtulach@144: 
jtulach@144:         out.print("   ");
jtulach@144: 
jtulach@144: 
jtulach@144:         while (i < data.length){
jtulach@144:             String databytestring = cls.toHex(data[i]);
jtulach@144:             if(databytestring.equals("0x")) out.print("00");
jtulach@144:             else if(databytestring.substring(2).length() == 1){
jtulach@144:                 out.print("0"+databytestring.substring(2));
jtulach@144:             } else{
jtulach@144:                 out.print(databytestring.substring(2));
jtulach@144:             }
jtulach@144: 
jtulach@144:              j++;
jtulach@144:             if(j == 16) {
jtulach@144:                 out.println();
jtulach@144:                 out.print("   ");
jtulach@144:                 j = 0;
jtulach@144:             }
jtulach@144:             else out.print(" ");
jtulach@144:             i++;
jtulach@144:         }
jtulach@144:         out.println();
jtulach@144:     }
jtulach@144: }