add getBytecode() (for Interpreter)

git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@552 379699f6-c40d-0410-875b-85095c16579e
stable
jochen 26 years ago
parent 610f77160f
commit 541f1446ff
  1. 70
      jode/jode/obfuscator/MethodIdentifier.java

@ -40,38 +40,61 @@ public class MethodIdentifier extends Identifier implements Opcodes {
///#ifdef JDK12 ///#ifdef JDK12
/// /** /// /**
/// * The byte code for this method, or null if there isn't any.
/// */
/// SoftReference byteCodeRef;
/// /**
/// * The code analyzer of this method, or null if there isn't any. /// * The code analyzer of this method, or null if there isn't any.
/// */ /// */
/// SoftReference codeAnalyzerRef; /// SoftReference codeAnalyzerRef;
///#else ///#else
/**
* The byte code for this method, or null if there isn't any.
*/
BytecodeInfo byteCode;
/** /**
* The code analyzer of this method, or null if there isn't any. * The code analyzer of this method, or null if there isn't any.
*/ */
CodeAnalyzer codeAnalyzer; CodeAnalyzer codeAnalyzer;
///#endif ///#endif
public CodeAnalyzer getCodeAnalyzer() { public BytecodeInfo getBytecode() {
///#ifdef JDK12 ///#ifdef JDK12
/// if (codeAnalyzerRef != null && codeAnalyzerRef.get() != null) /// if (byteCodeRef != null && byteCodeRef.get() != null)
/// return (CodeAnalyzer) codeAnalyzerRef.get(); /// return (BytecodeInfo) byteCodeRef.get();
/// CodeAnalyzer codeAnalyzer = null; /// BytecodeInfo byteCode = null;
///#else ///#else
if (codeAnalyzer != null) if (byteCode != null)
return codeAnalyzer; return byteCode;
///#endif ///#endif
AttributeInfo codeattr = info.findAttribute("Code"); AttributeInfo codeattr = info.findAttribute("Code");
BytecodeInfo code = null;
try { try {
if (codeattr != null) { if (codeattr != null) {
DataInputStream stream = new DataInputStream DataInputStream stream = new DataInputStream
(new ByteArrayInputStream(codeattr.getContents())); (new ByteArrayInputStream(codeattr.getContents()));
code = new BytecodeInfo(); byteCode = new BytecodeInfo();
code.read(clazz.info.getConstantPool(), stream); byteCode.read(clazz.info.getConstantPool(), stream);
///#ifdef JDK12
/// byteCodeRef = new SoftReference(byteCode);
///#endif
} }
} catch (IOException ex) { } catch (IOException ex) {
ex.printStackTrace(Obfuscator.err); ex.printStackTrace(Obfuscator.err);
} }
return byteCode;
}
public CodeAnalyzer getCodeAnalyzer() {
///#ifdef JDK12
/// if (codeAnalyzerRef != null && codeAnalyzerRef.get() != null)
/// return (CodeAnalyzer) codeAnalyzerRef.get();
/// CodeAnalyzer codeAnalyzer = null;
///#else
if (codeAnalyzer != null)
return codeAnalyzer;
///#endif
BytecodeInfo code = getBytecode();
if (code != null) { if (code != null) {
codeAnalyzer = new ConstantAnalyzer(code, this); codeAnalyzer = new ConstantAnalyzer(code, this);
///#ifdef JDK12 ///#ifdef JDK12
@ -197,7 +220,7 @@ public class MethodIdentifier extends Identifier implements Opcodes {
int nameIndex; int nameIndex;
int descriptorIndex; int descriptorIndex;
int codeIndex; int codeIndex;
BytecodeInfo bytecode; BytecodeInfo strippedBytecode;
byte[] code; byte[] code;
int exceptionsIndex; int exceptionsIndex;
int[] excIndices; int[] excIndices;
@ -211,22 +234,23 @@ public class MethodIdentifier extends Identifier implements Opcodes {
*/ */
public void doCodeTransformations(GrowableConstantPool gcp) { public void doCodeTransformations(GrowableConstantPool gcp) {
if (getCodeAnalyzer() != null) { if (getCodeAnalyzer() != null) {
bytecode = getCodeAnalyzer().stripCode(); strippedBytecode = getCodeAnalyzer().stripCode();
// bytecode.dumpCode(Obfuscator.err); // strippedBytecode.dumpCode(Obfuscator.err);
/* XXX This should be in a if (Obfuscator.distributeLocals) */ /* XXX This should be in a if (Obfuscator.distributeLocals) */
LocalOptimizer localOpt = new LocalOptimizer(bytecode); LocalOptimizer localOpt = new LocalOptimizer(strippedBytecode);
localOpt.calcLocalInfo(); localOpt.calcLocalInfo();
localOpt.stripLocals(); localOpt.stripLocals();
localOpt.distributeLocals(); localOpt.distributeLocals();
// if (Obfuscator.isDebugging) // if (Obfuscator.isDebugging)
// localOpt.dumpLocals(); // localOpt.dumpLocals();
// bytecode.dumpCode(Obfuscator.err); // strippedBytecode.dumpCode(Obfuscator.err);
RemovePopAnalyzer remPop = new RemovePopAnalyzer(bytecode, this); RemovePopAnalyzer remPop =
new RemovePopAnalyzer(strippedBytecode, this);
remPop.stripCode(); remPop.stripCode();
// bytecode.dumpCode(Obfuscator.err); // strippedBytecode.dumpCode(Obfuscator.err);
for (Instruction instr = bytecode.getFirstInstr(); for (Instruction instr = strippedBytecode.getFirstInstr();
instr != null; instr = instr.nextByAddr) { instr != null; instr = instr.nextByAddr) {
switch (instr.opcode) { switch (instr.opcode) {
case opc_invokespecial: case opc_invokespecial:
@ -287,7 +311,7 @@ public class MethodIdentifier extends Identifier implements Opcodes {
} }
} }
Handler[] handlers = bytecode.getExceptionHandlers(); Handler[] handlers = strippedBytecode.getExceptionHandlers();
for (int i=0; i< handlers.length; i++) { for (int i=0; i< handlers.length; i++) {
if (handlers[i].type != null) { if (handlers[i].type != null) {
ClassIdentifier ci = (ClassIdentifier) ClassIdentifier ci = (ClassIdentifier)
@ -297,7 +321,7 @@ public class MethodIdentifier extends Identifier implements Opcodes {
} }
} }
bytecode.prepareWriting(gcp); strippedBytecode.prepareWriting(gcp);
} }
} }
@ -306,18 +330,18 @@ public class MethodIdentifier extends Identifier implements Opcodes {
descriptorIndex = gcp.putUTF(clazz.bundle.getTypeAlias(getType())); descriptorIndex = gcp.putUTF(clazz.bundle.getTypeAlias(getType()));
codeIndex = 0; codeIndex = 0;
if (bytecode != null) { if (strippedBytecode != null) {
ByteArrayOutputStream baos = new ByteArrayOutputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream output = new DataOutputStream(baos); DataOutputStream output = new DataOutputStream(baos);
try { try {
bytecode.writeCode(gcp, clazz.bundle, output); strippedBytecode.writeCode(gcp, clazz.bundle, output);
output.close(); output.close();
code = baos.toByteArray(); code = baos.toByteArray();
codeIndex = gcp.putUTF("Code"); codeIndex = gcp.putUTF("Code");
} catch (IOException ex) { } catch (IOException ex) {
code = null; code = null;
} }
bytecode = null; strippedBytecode = null;
} }
if (exceptions != null) { if (exceptions != null) {
exceptionsIndex = gcp.putUTF("Exceptions"); exceptionsIndex = gcp.putUTF("Exceptions");

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