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