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@ -23,9 +23,14 @@ import java.io.*; |
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import java.util.Vector; |
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import java.util.Enumeration; |
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public class MethodIdentifier extends Identifier { |
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public class MethodIdentifier extends Identifier implements Opcodes { |
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ClassIdentifier clazz; |
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MethodInfo info; |
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CodeInfo codeinfo; |
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/** |
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* The exceptions that can be thrown by this method |
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*/ |
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String[] exceptions; |
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public MethodIdentifier(ClassIdentifier clazz, MethodInfo info) { |
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super(info.getName()); |
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@ -33,18 +38,164 @@ public class MethodIdentifier extends Identifier { |
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this.info = info; |
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} |
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public Vector analyzeCode(CodeInfo codeinfo) { |
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Vector references = new Vector(); |
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/** |
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* Reads the opcodes out of the code info and determine its |
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* references |
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* @return an enumeration of the references. |
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*/ |
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public void analyzeCode() throws IOException{ |
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ConstantPool cp = clazz.info.getConstantPool(); |
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byte[] code = codeinfo.getCode(); |
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try { |
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DataInputStream stream = |
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new DataInputStream(new ByteArrayInputStream(code)); |
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Opcodes.getReferences(stream, references); |
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} catch (IOException ex) { |
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ex.printStackTrace(); |
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throw new ClassFormatError(ex.getMessage()); |
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} |
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return references; |
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DataInputStream stream = |
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new DataInputStream(new ByteArrayInputStream(code)); |
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int addr = 0; |
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while (stream.available() > 0) { |
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int opcode = stream.readUnsignedByte(); |
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switch (opcode) { |
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case opc_wide: { |
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switch (opcode = stream.readUnsignedByte()) { |
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case opc_iload: case opc_lload: |
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case opc_fload: case opc_dload: case opc_aload: |
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case opc_istore: case opc_lstore: |
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case opc_fstore: case opc_dstore: case opc_astore: |
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case opc_ret: |
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stream.skip(2); |
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addr+=4; |
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break; |
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case opc_iinc: |
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stream.skip(4); |
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addr+=6; |
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break; |
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default: |
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throw new ClassFormatError("Invalid wide opcode "+opcode); |
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} |
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} |
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case opc_ret: |
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stream.skip(1); |
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addr+=2; |
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break; |
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case opc_sipush: |
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case opc_ldc_w: |
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case opc_ldc2_w: |
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case opc_iinc: |
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case opc_ifnull: case opc_ifnonnull: |
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case opc_putstatic: |
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case opc_putfield: |
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stream.skip(2); |
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addr+=3; |
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break; |
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case opc_jsr_w: |
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case opc_goto_w: |
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stream.skip(4); |
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addr+=5; |
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break; |
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case opc_tableswitch: { |
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int length = 7-(addr % 4); |
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stream.skip(length); |
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int low = stream.readInt(); |
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int high = stream.readInt(); |
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stream.skip(4*(high-low+1)); |
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addr += 9 + length + 4*(high-low+1); |
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break; |
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} |
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case opc_lookupswitch: { |
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int length = 7-(addr % 4); |
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stream.skip(length); |
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int npairs = stream.readInt(); |
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stream.skip(8*npairs); |
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addr += 5 + length + 8*npairs; |
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break; |
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} |
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case opc_getstatic: |
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case opc_getfield: { |
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int ref = stream.readUnsignedShort(); |
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String[] names = cp.getRef(ref); |
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clazz.bundle.reachableIdentifier |
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(names[0].replace('/','.')+"."+names[1]+"."+names[2], |
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false); |
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addr += 3; |
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break; |
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} |
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case opc_new: |
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case opc_anewarray: |
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case opc_checkcast: |
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case opc_instanceof: |
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case opc_multianewarray: { |
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int ref = stream.readUnsignedShort(); |
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String clName = cp.getClassName(ref).replace('/','.'); |
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if (clName.charAt(0) == '[') { |
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int i; |
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for (i=0; i< clName.length(); i++) |
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if (clName.charAt(i) != '[') |
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break; |
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if (i >= clName.length() || clName.charAt(i) != 'L') |
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break; |
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int index = clName.indexOf(';', i); |
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if (index != clName.length()-1) |
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break; |
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clName = clName.substring(i+1, index); |
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} |
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clazz.bundle.reachableIdentifier(clName, false); |
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addr += 3; |
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if (opcode == opc_multianewarray) { |
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stream.skip(1); |
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addr ++; |
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} |
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break; |
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} |
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case opc_invokespecial: |
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case opc_invokestatic: |
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case opc_invokeinterface: |
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case opc_invokevirtual: { |
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int ref = stream.readUnsignedShort(); |
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String[] names = cp.getRef(ref); |
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clazz.bundle.reachableIdentifier |
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(names[0].replace('/','.')+"."+names[1]+"."+names[2], |
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opcode == opc_invokevirtual |
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|| opcode == opc_invokeinterface); |
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addr += 3; |
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if (opcode == opc_invokeinterface) { |
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stream.skip(2); |
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addr += 2; |
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} |
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break; |
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} |
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default: |
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if (opcode == opc_newarray |
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|| (opcode >= opc_bipush && opcode <= opc_aload) |
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|| (opcode >= opc_istore && opcode <= opc_astore)) { |
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stream.skip(1); |
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addr += 2; |
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} else if (opcode >= opc_ifeq && opcode <= opc_jsr) { |
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stream.skip(2); |
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addr += 3; |
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} else if (opcode == opc_xxxunusedxxx |
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|| opcode >= opc_breakpoint) |
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throw new ClassFormatError("Invalid opcode "+opcode); |
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else |
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addr++; |
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} |
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} |
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} |
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public void readExceptions(AttributeInfo exceptionsattr) |
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throws IOException { |
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byte[] content = exceptionsattr.getContents(); |
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DataInputStream input = new DataInputStream |
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(new ByteArrayInputStream(content)); |
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ConstantPool cp = clazz.info.getConstantPool(); |
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int count = input.readUnsignedShort(); |
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exceptions = new String[count]; |
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for (int i=0; i< count; i++) { |
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exceptions[i] |
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= cp.getClassName(input.readUnsignedShort()).replace('/','.'); |
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clazz.bundle.reachableIdentifier(exceptions[i], false); |
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} |
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} |
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public void setSingleReachable() { |
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@ -53,53 +204,28 @@ public class MethodIdentifier extends Identifier { |
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if (Obfuscator.isDebugging) |
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Obfuscator.err.println("Reachable: "+this); |
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ConstantPool cp = clazz.info.getConstantPool(); |
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String type = getType(); |
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int index = type.indexOf('L'); |
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while (index != -1) { |
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int end = type.indexOf(';', index); |
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clazz.bundle.reachableIdentifier(type.substring(index+1, end) |
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, false); |
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index = type.indexOf('L', end); |
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} |
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AttributeInfo codeattr = info.findAttribute("Code"); |
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if (codeattr == null) |
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return; |
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AttributeInfo exceptionsattr = info.findAttribute("Exceptions"); |
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DataInputStream stream = new DataInputStream |
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(new ByteArrayInputStream(codeattr.getContents())); |
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CodeInfo codeinfo = new CodeInfo(); |
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try { |
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codeinfo.read(clazz.info.getConstantPool(), stream); |
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Vector references = analyzeCode(codeinfo); |
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Enumeration enum = references.elements(); |
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while (enum.hasMoreElements()) { |
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int[] ref = (int[]) enum.nextElement(); |
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int tag = cp.getTag(ref[0]); |
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switch (tag) { |
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case ConstantPool.FIELDREF: |
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case ConstantPool.METHODREF: |
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case ConstantPool.INTERFACEMETHODREF: { |
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String[] names = cp.getRef(ref[0]); |
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clazz.bundle.reachableIdentifier |
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(names[0].replace('/','.')+"."+names[1]+"."+names[2], |
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ref[1] == 1); |
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break; |
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} |
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case ConstantPool.CLASS: { |
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String clName = cp.getClassName(ref[0]).replace('/','.'); |
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if (clName.charAt(0) == '[') { |
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int i; |
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for (i=0; i< clName.length(); i++) |
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if (clName.charAt(i) != '[') |
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break; |
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if (i >= clName.length() || clName.charAt(i) != 'L') |
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break; |
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int index = clName.indexOf(';', i); |
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if (index != clName.length()-1) |
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break; |
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clName = clName.substring(i+1, index); |
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} |
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clazz.bundle.reachableIdentifier(clName, false); |
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break; |
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} |
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default: |
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throw new jode.AssertError |
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("Unknown reference: "+ref+" tag: "+tag); |
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} |
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if (codeattr != null) { |
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DataInputStream stream = new DataInputStream |
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(new ByteArrayInputStream(codeattr.getContents())); |
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codeinfo = new CodeInfo(); |
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codeinfo.read(clazz.info.getConstantPool(), stream); |
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analyzeCode(); |
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} |
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if (exceptionsattr != null) |
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readExceptions(exceptionsattr); |
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} catch (IOException ex) { |
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ex.printStackTrace(); |
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} |
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@ -112,6 +238,10 @@ public class MethodIdentifier extends Identifier { |
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+ " = " + getName()); |
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} |
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public Identifier getParent() { |
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return clazz; |
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} |
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public String getFullName() { |
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return clazz.getFullName() + "." + getName(); |
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} |
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@ -131,11 +261,419 @@ public class MethodIdentifier extends Identifier { |
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public boolean conflicting(String newAlias) { |
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String type = getType(); |
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String paramType = type.substring(0, type.indexOf(')')+1); |
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return clazz.containsMethod(newAlias, paramType) |
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|| clazz.containsField(newAlias); |
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return clazz.getMethod(newAlias, paramType) != null |
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|| clazz.containFieldAlias(newAlias, ""); |
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} |
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public String toString() { |
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return "MethodIdentifier "+getFullName()+"."+getType(); |
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} |
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int nameIndex; |
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int descriptorIndex; |
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int codeIndex; |
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byte[] code; |
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int exceptionsIndex; |
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int[] excIndices; |
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static byte[] buff = new byte[10]; |
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static void copy(DataInputStream in, DataOutputStream out, int length) |
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throws IOException { |
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if (buff.length < length) |
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buff = new byte[length]; |
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in.readFully(buff, 0, length); |
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out.write(buff, 0, length); |
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} |
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public void transformCode(GrowableConstantPool gcp) { |
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ConstantPool cp = clazz.info.getConstantPool(); |
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byte[] origcode = codeinfo.getCode(); |
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ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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DataOutputStream output = new DataOutputStream(baos); |
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DataInputStream input = new DataInputStream |
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(new ByteArrayInputStream(origcode)); |
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try { |
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output.writeShort(codeinfo.getMaxStack()); |
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output.writeShort(codeinfo.getMaxLocals()); |
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output.writeInt(origcode.length); |
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int addr = 0; |
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while (input.available() > 0) { |
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int opcode = input.readUnsignedByte(); |
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switch (opcode) { |
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case opc_wide: { |
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output.writeByte(opcode); |
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int wideopcode = input.readUnsignedByte(); |
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switch (wideopcode) { |
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case opc_iload: case opc_lload: |
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case opc_fload: case opc_dload: case opc_aload: |
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case opc_istore: case opc_lstore: |
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case opc_fstore: case opc_dstore: case opc_astore: |
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case opc_ret: |
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output.writeByte(wideopcode); |
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copy(input, output, 2); |
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addr+=4; |
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break; |
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case opc_iinc: |
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output.writeByte(wideopcode); |
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copy(input, output, 4); |
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addr+=6; |
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break; |
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default: |
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throw new ClassFormatError("Invalid wide opcode " |
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+wideopcode); |
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} |
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break; |
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} |
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case opc_ret: |
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output.writeByte(opcode); |
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copy(input, output, 1); |
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addr+=2; |
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break; |
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case opc_ldc: { |
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int index = input.readUnsignedByte(); |
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int newIndex = gcp.copyConstant(cp, index); |
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output.writeByte(opcode); |
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output.writeByte(newIndex); |
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addr+=2; |
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break; |
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} |
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case opc_ldc_w: |
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case opc_ldc2_w: { |
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int index = input.readUnsignedShort(); |
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int newIndex = gcp.copyConstant(cp, index); |
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output.writeByte(opcode); |
|
|
|
|
output.writeShort(newIndex); |
|
|
|
|
addr += 3; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
case opc_sipush: |
|
|
|
|
case opc_iinc: |
|
|
|
|
case opc_ifnull: case opc_ifnonnull: |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
copy(input, output, 2); |
|
|
|
|
addr+=3; |
|
|
|
|
break; |
|
|
|
|
case opc_jsr_w: |
|
|
|
|
case opc_goto_w: |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
copy(input, output, 4); |
|
|
|
|
addr+=5; |
|
|
|
|
break; |
|
|
|
|
case opc_tableswitch: { |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
int length = 7-(addr % 4); |
|
|
|
|
copy(input, output, length); |
|
|
|
|
int low = input.readInt(); |
|
|
|
|
output.writeInt(low); |
|
|
|
|
int high = input.readInt(); |
|
|
|
|
output.writeInt(high); |
|
|
|
|
copy(input, output, 4*(high-low+1)); |
|
|
|
|
addr += 9 + length + 4*(high-low+1); |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
case opc_lookupswitch: { |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
int length = 7-(addr % 4); |
|
|
|
|
copy(input, output, length); |
|
|
|
|
int npairs = input.readInt(); |
|
|
|
|
output.writeInt(npairs); |
|
|
|
|
copy(input, output, 8*npairs); |
|
|
|
|
addr += 5 + length + 8*npairs; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
case opc_getstatic: |
|
|
|
|
case opc_getfield: |
|
|
|
|
case opc_putstatic: |
|
|
|
|
case opc_putfield: { |
|
|
|
|
int ref = input.readUnsignedShort(); |
|
|
|
|
String[] names = cp.getRef(ref); |
|
|
|
|
ClassIdentifier ci = (ClassIdentifier) |
|
|
|
|
clazz.bundle.getIdentifier(names[0].replace('/','.')); |
|
|
|
|
|
|
|
|
|
if (ci != null) { |
|
|
|
|
names[0] = ci.getFullAlias(); |
|
|
|
|
Identifier fi = ci.getIdentifier(names[1], names[2]); |
|
|
|
|
if (fi instanceof FieldIdentifier) { |
|
|
|
|
if (!((FieldIdentifier)fi).isReachable()) { |
|
|
|
|
if (opcode != opc_putfield |
|
|
|
|
&& opcode != opc_putstatic) |
|
|
|
|
throw new jode.AssertError |
|
|
|
|
("reading not reachable field"); |
|
|
|
|
int stacksize = |
|
|
|
|
(opcode == opc_putstatic) ? 0 : 1; |
|
|
|
|
stacksize += jode.Type.tType |
|
|
|
|
(names[2]).stackSize(); |
|
|
|
|
if (stacksize == 3) { |
|
|
|
|
output.writeByte(opc_pop2); |
|
|
|
|
output.writeByte(opc_pop); |
|
|
|
|
output.writeByte(opc_nop); |
|
|
|
|
} else if (stacksize == 2) { |
|
|
|
|
output.writeByte(opc_pop2); |
|
|
|
|
output.writeByte(opc_nop); |
|
|
|
|
output.writeByte(opc_nop); |
|
|
|
|
} else { |
|
|
|
|
output.writeByte(opc_pop); |
|
|
|
|
output.writeByte(opc_nop); |
|
|
|
|
output.writeByte(opc_nop); |
|
|
|
|
} |
|
|
|
|
addr += 3; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
names[1] = ((FieldIdentifier) fi).getAlias(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
names[2] = clazz.bundle.getTypeAlias(names[2]); |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
output.writeShort(gcp.putRef(cp.getTag(ref), names)); |
|
|
|
|
addr += 3; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
case opc_new: |
|
|
|
|
case opc_anewarray: |
|
|
|
|
case opc_checkcast: |
|
|
|
|
case opc_instanceof: |
|
|
|
|
case opc_multianewarray: { |
|
|
|
|
int ref = input.readUnsignedShort(); |
|
|
|
|
String clName = cp.getClassName(ref).replace('/','.'); |
|
|
|
|
if (clName.charAt(0) == '[') { |
|
|
|
|
clName = clazz.bundle.getTypeAlias(clName); |
|
|
|
|
} else { |
|
|
|
|
ClassIdentifier ci = (ClassIdentifier) |
|
|
|
|
clazz.bundle.getIdentifier(clName); |
|
|
|
|
if (ci != null) |
|
|
|
|
clName = ci.getFullAlias(); |
|
|
|
|
} |
|
|
|
|
int newRef = gcp.putClassRef(clName); |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
output.writeShort(newRef); |
|
|
|
|
addr += 3; |
|
|
|
|
if (opcode == opc_multianewarray) { |
|
|
|
|
copy(input, output, 1); |
|
|
|
|
addr ++; |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
case opc_invokespecial: |
|
|
|
|
case opc_invokestatic: |
|
|
|
|
case opc_invokeinterface: |
|
|
|
|
case opc_invokevirtual: { |
|
|
|
|
int ref = input.readUnsignedShort(); |
|
|
|
|
String[] names = cp.getRef(ref); |
|
|
|
|
ClassIdentifier ci = (ClassIdentifier) |
|
|
|
|
clazz.bundle.getIdentifier(names[0].replace('/','.')); |
|
|
|
|
|
|
|
|
|
if (ci != null) { |
|
|
|
|
names[0] = ci.getFullAlias(); |
|
|
|
|
Identifier mi = ci.getIdentifier(names[1], names[2]); |
|
|
|
|
if (mi instanceof MethodIdentifier) { |
|
|
|
|
names[1] = ((MethodIdentifier)mi).getAlias(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
names[2] = clazz.bundle.getTypeAlias(names[2]); |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
output.writeShort(gcp.putRef(cp.getTag(ref), names)); |
|
|
|
|
addr += 3; |
|
|
|
|
if (opcode == opc_invokeinterface) { |
|
|
|
|
copy(input, output, 2); |
|
|
|
|
addr += 2; |
|
|
|
|
} |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
default: |
|
|
|
|
output.writeByte(opcode); |
|
|
|
|
if (opcode == opc_newarray |
|
|
|
|
|| (opcode >= opc_bipush && opcode <= opc_aload) |
|
|
|
|
|| (opcode >= opc_istore && opcode <= opc_astore)) { |
|
|
|
|
copy(input, output, 1); |
|
|
|
|
addr += 2; |
|
|
|
|
} else if (opcode >= opc_ifeq && opcode <= opc_jsr) { |
|
|
|
|
copy(input, output, 2); |
|
|
|
|
addr += 3; |
|
|
|
|
} else if (opcode == opc_xxxunusedxxx |
|
|
|
|
|| opcode >= opc_breakpoint) |
|
|
|
|
throw new ClassFormatError("Invalid opcode "+opcode); |
|
|
|
|
else |
|
|
|
|
addr++; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
int[] handlers = codeinfo.getExceptionHandlers(); |
|
|
|
|
output.writeShort(handlers.length / 4); |
|
|
|
|
for (int i=0; i< handlers.length; i += 4) { |
|
|
|
|
output.writeShort(handlers[i]); |
|
|
|
|
output.writeShort(handlers[i+1]); |
|
|
|
|
output.writeShort(handlers[i+2]); |
|
|
|
|
String clName |
|
|
|
|
= cp.getClassName(handlers[i+3]).replace('/','.'); |
|
|
|
|
ClassIdentifier ci = (ClassIdentifier) |
|
|
|
|
clazz.bundle.getIdentifier(clName); |
|
|
|
|
if (ci != null) |
|
|
|
|
clName = ci.getFullAlias(); |
|
|
|
|
output.writeShort(gcp.putClassRef(clName)); |
|
|
|
|
} |
|
|
|
|
output.writeShort(0); // No Attributes;
|
|
|
|
|
output.close(); |
|
|
|
|
} catch (IOException ex) { |
|
|
|
|
ex.printStackTrace(); |
|
|
|
|
code = null; |
|
|
|
|
return; |
|
|
|
|
} |
|
|
|
|
code = baos.toByteArray(); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void reserveSmallConstants(GrowableConstantPool gcp) { |
|
|
|
|
if (codeinfo != null) { |
|
|
|
|
ConstantPool cp = clazz.info.getConstantPool(); |
|
|
|
|
byte[] code = codeinfo.getCode(); |
|
|
|
|
DataInputStream stream = |
|
|
|
|
new DataInputStream(new ByteArrayInputStream(code)); |
|
|
|
|
try { |
|
|
|
|
int addr = 0; |
|
|
|
|
while (stream.available() > 0) { |
|
|
|
|
int opcode = stream.readUnsignedByte(); |
|
|
|
|
switch (opcode) { |
|
|
|
|
|
|
|
|
|
case opc_ldc: { |
|
|
|
|
int index = stream.readUnsignedByte(); |
|
|
|
|
gcp.copyConstant(cp, index); |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
case opc_wide: { |
|
|
|
|
switch (opcode = stream.readUnsignedByte()) { |
|
|
|
|
case opc_iload: case opc_lload: |
|
|
|
|
case opc_fload: case opc_dload: case opc_aload: |
|
|
|
|
case opc_istore: case opc_lstore: |
|
|
|
|
case opc_fstore: case opc_dstore: case opc_astore: |
|
|
|
|
case opc_ret: |
|
|
|
|
stream.skip(2); |
|
|
|
|
addr+=4; |
|
|
|
|
break; |
|
|
|
|
|
|
|
|
|
case opc_iinc: |
|
|
|
|
stream.skip(4); |
|
|
|
|
addr+=6; |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
throw new ClassFormatError("Invalid wide opcode "+opcode); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
case opc_tableswitch: { |
|
|
|
|
int length = 7-(addr % 4); |
|
|
|
|
stream.skip(length); |
|
|
|
|
int low = stream.readInt(); |
|
|
|
|
int high = stream.readInt(); |
|
|
|
|
stream.skip(4*(high-low+1)); |
|
|
|
|
addr += 9 + length + 4*(high-low+1); |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
case opc_lookupswitch: { |
|
|
|
|
int length = 7-(addr % 4); |
|
|
|
|
stream.skip(length); |
|
|
|
|
int npairs = stream.readInt(); |
|
|
|
|
stream.skip(8*npairs); |
|
|
|
|
addr += 5 + length + 8*npairs; |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
case opc_ret: |
|
|
|
|
stream.skip(1); |
|
|
|
|
addr+=2; |
|
|
|
|
break; |
|
|
|
|
case opc_sipush: |
|
|
|
|
case opc_ldc2_w: |
|
|
|
|
case opc_iinc: |
|
|
|
|
case opc_ifnull: case opc_ifnonnull: |
|
|
|
|
case opc_new: |
|
|
|
|
case opc_anewarray: |
|
|
|
|
case opc_checkcast: |
|
|
|
|
case opc_instanceof: |
|
|
|
|
stream.skip(2); |
|
|
|
|
addr+=3; |
|
|
|
|
break; |
|
|
|
|
case opc_multianewarray: |
|
|
|
|
stream.skip(3); |
|
|
|
|
addr += 4; |
|
|
|
|
break; |
|
|
|
|
case opc_jsr_w: |
|
|
|
|
case opc_goto_w: |
|
|
|
|
case opc_invokeinterface: |
|
|
|
|
stream.skip(4); |
|
|
|
|
addr+=5; |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
if (opcode == opc_newarray |
|
|
|
|
|| (opcode >= opc_bipush && opcode <= opc_aload) |
|
|
|
|
|| (opcode >= opc_istore && opcode <= opc_astore)) { |
|
|
|
|
stream.skip(1); |
|
|
|
|
addr += 2; |
|
|
|
|
} else if (opcode >= opc_ifeq && opcode <= opc_jsr |
|
|
|
|
|| opcode >= opc_getstatic && opcode <= opc_invokestatic) { |
|
|
|
|
stream.skip(2); |
|
|
|
|
addr += 3; |
|
|
|
|
} else if (opcode == opc_xxxunusedxxx |
|
|
|
|
|| opcode >= opc_breakpoint) |
|
|
|
|
throw new ClassFormatError("Invalid opcode "+opcode); |
|
|
|
|
else |
|
|
|
|
addr++; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} catch (IOException ex) { |
|
|
|
|
ex.printStackTrace(); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void fillConstantPool(GrowableConstantPool gcp) { |
|
|
|
|
nameIndex = gcp.putUTF(getAlias()); |
|
|
|
|
descriptorIndex = gcp.putUTF(clazz.bundle.getTypeAlias(getType())); |
|
|
|
|
AttributeInfo codeattr = info.findAttribute("Code"); |
|
|
|
|
codeIndex = 0; |
|
|
|
|
if (codeinfo != null) { |
|
|
|
|
transformCode(gcp); |
|
|
|
|
if (code != null) |
|
|
|
|
codeIndex = gcp.putUTF("Code"); |
|
|
|
|
} |
|
|
|
|
if (exceptions != null) { |
|
|
|
|
exceptionsIndex = gcp.putUTF("Exceptions"); |
|
|
|
|
excIndices = new int[exceptions.length]; |
|
|
|
|
for (int i=0; i< exceptions.length; i++) { |
|
|
|
|
ClassIdentifier ci = (ClassIdentifier) |
|
|
|
|
clazz.bundle.getIdentifier(exceptions[i]); |
|
|
|
|
if (ci != null) |
|
|
|
|
excIndices[i] = gcp.putClassRef(ci.getFullAlias()); |
|
|
|
|
else |
|
|
|
|
excIndices[i] = gcp.putClassRef(exceptions[i]); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void write(DataOutputStream out) throws IOException { |
|
|
|
|
out.writeShort(info.getModifiers()); |
|
|
|
|
out.writeShort(nameIndex); |
|
|
|
|
out.writeShort(descriptorIndex); |
|
|
|
|
int attrCount = 0; |
|
|
|
|
if (code != null) |
|
|
|
|
attrCount++; |
|
|
|
|
if (excIndices != null) |
|
|
|
|
attrCount++; |
|
|
|
|
out.writeShort(attrCount); |
|
|
|
|
if (code != null) { |
|
|
|
|
out.writeShort(codeIndex); |
|
|
|
|
out.writeInt(code.length); |
|
|
|
|
out.write(code); |
|
|
|
|
} |
|
|
|
|
if (excIndices != null) { |
|
|
|
|
out.writeShort(exceptionsIndex); |
|
|
|
|
out.writeInt(excIndices.length*2+2); |
|
|
|
|
out.writeShort(excIndices.length); |
|
|
|
|
for (int i=0; i< excIndices.length; i++) |
|
|
|
|
out.writeShort(excIndices[i]); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
jochen
26 years ago