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Convert InsnNodeUtils to Kotlin

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bzip2
Graham 5 years ago
parent fdcc5a217f
commit 8020ac98ab
10 changed files with 312 additions and 357 deletions
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  1. 2
      asm/src/main/java/dev/openrs2/asm/InsnListUtils.java
  2. 335
      asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.java
  3. 288
      asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt
  4. 4
      bundler/src/main/java/dev/openrs2/bundler/transform/BufferSizeTransformer.java
  5. 4
      deob/src/main/java/dev/openrs2/deob/analysis/ConstSourceInterpreter.java
  6. 7
      deob/src/main/java/dev/openrs2/deob/analysis/IntInterpreter.java
  7. 7
      deob/src/main/java/dev/openrs2/deob/transform/BitShiftTransformer.kt
  8. 14
      deob/src/main/java/dev/openrs2/deob/transform/DummyArgTransformer.java
  9. 4
      deob/src/main/java/dev/openrs2/deob/transform/ExceptionTracingTransformer.kt
  10. 4
      deob/src/main/java/dev/openrs2/deob/transform/ResetTransformer.java

2
asm/src/main/java/dev/openrs2/asm/InsnListUtils.java
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@ -32,7 +32,7 @@ public final class InsnListUtils {
}
insn = insn.getPrevious();
} while (insn != null && insn.getType() != AbstractInsnNode.LABEL && InsnNodeUtils.isPure(insn));
} while (insn != null && insn.getType() != AbstractInsnNode.LABEL && InsnNodeUtilsKt.getPure(insn));
return false;
}

335
asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.java
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@ -1,335 +0,0 @@
package dev.openrs2.asm;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UncheckedIOException;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.InsnNode;
import org.objectweb.asm.tree.IntInsnNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.util.Textifier;
import org.objectweb.asm.util.TraceMethodVisitor;
public final class InsnNodeUtils {
public static AbstractInsnNode nextReal(AbstractInsnNode insn) {
while ((insn = insn.getNext()) != null && insn.getOpcode() == -1) {
/* empty */
}
return insn;
}
public static AbstractInsnNode previousReal(AbstractInsnNode insn) {
while ((insn = insn.getPrevious()) != null && insn.getOpcode() == -1) {
/* empty */
}
return insn;
}
public static AbstractInsnNode nextVirtual(AbstractInsnNode insn) {
while ((insn = insn.getNext()) != null && insn.getOpcode() != -1) {
/* empty */
}
return insn;
}
public static AbstractInsnNode previousVirtual(AbstractInsnNode insn) {
while ((insn = insn.getPrevious()) != null && insn.getOpcode() != -1) {
/* empty */
}
return insn;
}
public static boolean isIntConstant(AbstractInsnNode insn) {
switch (insn.getOpcode()) {
case Opcodes.ICONST_M1:
case Opcodes.ICONST_0:
case Opcodes.ICONST_1:
case Opcodes.ICONST_2:
case Opcodes.ICONST_3:
case Opcodes.ICONST_4:
case Opcodes.ICONST_5:
case Opcodes.BIPUSH:
case Opcodes.SIPUSH:
return true;
case Opcodes.LDC:
var ldc = (LdcInsnNode) insn;
return ldc.cst instanceof Integer;
}
return false;
}
public static int getIntConstant(AbstractInsnNode insn) {
switch (insn.getOpcode()) {
case Opcodes.ICONST_M1:
return -1;
case Opcodes.ICONST_0:
return 0;
case Opcodes.ICONST_1:
return 1;
case Opcodes.ICONST_2:
return 2;
case Opcodes.ICONST_3:
return 3;
case Opcodes.ICONST_4:
return 4;
case Opcodes.ICONST_5:
return 5;
case Opcodes.BIPUSH:
case Opcodes.SIPUSH:
var intInsn = (IntInsnNode) insn;
return intInsn.operand;
case Opcodes.LDC:
var ldc = (LdcInsnNode) insn;
if (ldc.cst instanceof Integer) {
return (Integer) ldc.cst;
}
}
throw new IllegalArgumentException();
}
public static AbstractInsnNode createIntConstant(int value) {
switch (value) {
case -1:
return new InsnNode(Opcodes.ICONST_M1);
case 0:
return new InsnNode(Opcodes.ICONST_0);
case 1:
return new InsnNode(Opcodes.ICONST_1);
case 2:
return new InsnNode(Opcodes.ICONST_2);
case 3:
return new InsnNode(Opcodes.ICONST_3);
case 4:
return new InsnNode(Opcodes.ICONST_4);
case 5:
return new InsnNode(Opcodes.ICONST_5);
}
if (value >= Byte.MIN_VALUE && value <= Byte.MAX_VALUE) {
return new IntInsnNode(Opcodes.BIPUSH, value);
} else if (value >= Short.MIN_VALUE && value <= Short.MAX_VALUE) {
return new IntInsnNode(Opcodes.SIPUSH, value);
} else {
return new LdcInsnNode(value);
}
}
public static boolean isPure(AbstractInsnNode insn) {
var opcode = insn.getOpcode();
switch (opcode) {
case -1:
case Opcodes.NOP:
case Opcodes.ACONST_NULL:
case Opcodes.ICONST_M1:
case Opcodes.ICONST_0:
case Opcodes.ICONST_1:
case Opcodes.ICONST_2:
case Opcodes.ICONST_3:
case Opcodes.ICONST_4:
case Opcodes.ICONST_5:
case Opcodes.LCONST_0:
case Opcodes.LCONST_1:
case Opcodes.FCONST_0:
case Opcodes.FCONST_1:
case Opcodes.FCONST_2:
case Opcodes.DCONST_0:
case Opcodes.DCONST_1:
case Opcodes.BIPUSH:
case Opcodes.SIPUSH:
case Opcodes.LDC:
case Opcodes.ILOAD:
case Opcodes.LLOAD:
case Opcodes.FLOAD:
case Opcodes.DLOAD:
case Opcodes.ALOAD:
return true;
case Opcodes.IALOAD:
case Opcodes.LALOAD:
case Opcodes.FALOAD:
case Opcodes.DALOAD:
case Opcodes.AALOAD:
case Opcodes.BALOAD:
case Opcodes.CALOAD:
case Opcodes.SALOAD:
/* might throw NPE or index out of bounds exception */
case Opcodes.ISTORE:
case Opcodes.LSTORE:
case Opcodes.FSTORE:
case Opcodes.DSTORE:
case Opcodes.ASTORE:
case Opcodes.IASTORE:
case Opcodes.LASTORE:
case Opcodes.FASTORE:
case Opcodes.DASTORE:
case Opcodes.AASTORE:
case Opcodes.BASTORE:
case Opcodes.CASTORE:
case Opcodes.SASTORE:
return false;
case Opcodes.POP:
case Opcodes.POP2:
case Opcodes.DUP:
case Opcodes.DUP_X1:
case Opcodes.DUP_X2:
case Opcodes.DUP2:
case Opcodes.DUP2_X1:
case Opcodes.DUP2_X2:
case Opcodes.SWAP:
case Opcodes.IADD:
case Opcodes.LADD:
case Opcodes.FADD:
case Opcodes.DADD:
case Opcodes.ISUB:
case Opcodes.LSUB:
case Opcodes.FSUB:
case Opcodes.DSUB:
case Opcodes.IMUL:
case Opcodes.LMUL:
case Opcodes.FMUL:
case Opcodes.DMUL:
case Opcodes.IDIV:
case Opcodes.LDIV:
case Opcodes.FDIV:
case Opcodes.DDIV:
case Opcodes.IREM:
case Opcodes.LREM:
case Opcodes.FREM:
case Opcodes.DREM:
/*
* XXX(gpe): strictly speaking the *DIV and *REM instructions have
* side effects (unless we can prove that the second argument is
* non-zero). However, treating them as having side effects reduces
* the number of dummy variables we can remove, so we pretend they
* don't have any side effects.
*
* This doesn't seem to cause any problems with the client, as it
* doesn't deliberately try to trigger divide-by-zero exceptions.
*/
case Opcodes.INEG:
case Opcodes.LNEG:
case Opcodes.FNEG:
case Opcodes.DNEG:
case Opcodes.ISHL:
case Opcodes.LSHL:
case Opcodes.ISHR:
case Opcodes.LSHR:
case Opcodes.IUSHR:
case Opcodes.LUSHR:
case Opcodes.IAND:
case Opcodes.LAND:
case Opcodes.IOR:
case Opcodes.LOR:
case Opcodes.IXOR:
case Opcodes.LXOR:
return true;
case Opcodes.IINC:
return false;
case Opcodes.I2L:
case Opcodes.I2F:
case Opcodes.I2D:
case Opcodes.L2I:
case Opcodes.L2F:
case Opcodes.L2D:
case Opcodes.F2I:
case Opcodes.F2L:
case Opcodes.F2D:
case Opcodes.D2I:
case Opcodes.D2L:
case Opcodes.D2F:
case Opcodes.I2B:
case Opcodes.I2C:
case Opcodes.I2S:
case Opcodes.LCMP:
case Opcodes.FCMPL:
case Opcodes.FCMPG:
case Opcodes.DCMPL:
case Opcodes.DCMPG:
return true;
case Opcodes.IFEQ:
case Opcodes.IFNE:
case Opcodes.IFLT:
case Opcodes.IFGE:
case Opcodes.IFGT:
case Opcodes.IFLE:
case Opcodes.IF_ICMPEQ:
case Opcodes.IF_ICMPNE:
case Opcodes.IF_ICMPLT:
case Opcodes.IF_ICMPGE:
case Opcodes.IF_ICMPGT:
case Opcodes.IF_ICMPLE:
case Opcodes.IF_ACMPEQ:
case Opcodes.IF_ACMPNE:
case Opcodes.GOTO:
case Opcodes.JSR:
case Opcodes.RET:
case Opcodes.TABLESWITCH:
case Opcodes.LOOKUPSWITCH:
case Opcodes.IRETURN:
case Opcodes.LRETURN:
case Opcodes.FRETURN:
case Opcodes.DRETURN:
case Opcodes.ARETURN:
case Opcodes.RETURN:
return false;
case Opcodes.GETSTATIC:
return true;
case Opcodes.PUTSTATIC:
case Opcodes.GETFIELD:
/* might throw NPE */
case Opcodes.PUTFIELD:
return false;
case Opcodes.INVOKEVIRTUAL:
case Opcodes.INVOKESPECIAL:
case Opcodes.INVOKESTATIC:
case Opcodes.INVOKEINTERFACE:
case Opcodes.INVOKEDYNAMIC:
return false;
case Opcodes.NEW:
return true;
case Opcodes.NEWARRAY:
case Opcodes.ANEWARRAY:
/* arrays might be created with negative size */
case Opcodes.ARRAYLENGTH:
/* might throw NPE */
case Opcodes.ATHROW:
case Opcodes.CHECKCAST:
return false;
case Opcodes.INSTANCEOF:
return true;
case Opcodes.MONITORENTER:
case Opcodes.MONITOREXIT:
case Opcodes.MULTIANEWARRAY:
case Opcodes.IFNULL:
case Opcodes.IFNONNULL:
return false;
}
throw new IllegalArgumentException();
}
public static String toString(AbstractInsnNode insn) {
var printer = new Textifier();
var visitor = new TraceMethodVisitor(printer);
insn.accept(visitor);
try (
var stringWriter = new StringWriter();
var printWriter = new PrintWriter(stringWriter)
) {
printer.print(printWriter);
return stringWriter.toString().trim();
} catch (IOException ex) {
throw new UncheckedIOException(ex);
}
}
private InsnNodeUtils() {
/* empty */
}
}

288
asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt
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@ -0,0 +1,288 @@
package dev.openrs2.asm
import org.objectweb.asm.Opcodes
import org.objectweb.asm.tree.AbstractInsnNode
import org.objectweb.asm.tree.InsnNode
import org.objectweb.asm.tree.IntInsnNode
import org.objectweb.asm.tree.LdcInsnNode
import org.objectweb.asm.util.Textifier
import org.objectweb.asm.util.TraceMethodVisitor
import java.io.IOException
import java.io.PrintWriter
import java.io.StringWriter
import java.io.UncheckedIOException
private val PURE_OPCODES = setOf(
-1,
Opcodes.NOP,
Opcodes.ACONST_NULL,
Opcodes.ICONST_M1,
Opcodes.ICONST_0,
Opcodes.ICONST_1,
Opcodes.ICONST_2,
Opcodes.ICONST_3,
Opcodes.ICONST_4,
Opcodes.ICONST_5,
Opcodes.LCONST_0,
Opcodes.LCONST_1,
Opcodes.FCONST_0,
Opcodes.FCONST_1,
Opcodes.FCONST_2,
Opcodes.DCONST_0,
Opcodes.DCONST_1,
Opcodes.BIPUSH,
Opcodes.SIPUSH,
Opcodes.LDC,
Opcodes.ILOAD,
Opcodes.LLOAD,
Opcodes.FLOAD,
Opcodes.DLOAD,
Opcodes.ALOAD,
Opcodes.POP,
Opcodes.POP2,
Opcodes.DUP,
Opcodes.DUP_X1,
Opcodes.DUP_X2,
Opcodes.DUP2,
Opcodes.DUP2_X1,
Opcodes.DUP2_X2,
Opcodes.SWAP,
Opcodes.IADD,
Opcodes.LADD,
Opcodes.FADD,
Opcodes.DADD,
Opcodes.ISUB,
Opcodes.LSUB,
Opcodes.FSUB,
Opcodes.DSUB,
Opcodes.IMUL,
Opcodes.LMUL,
Opcodes.FMUL,
Opcodes.DMUL,
/*
* XXX(gpe): strictly speaking the *DEV and *REM instructions have side
* effects (unless we can prove that the second argument is non-zero).
* However, treating them as having side effects reduces the number of
* dummy variables we can remove, so we pretend they don't have any side
* effects.
*
* This doesn't seem to cause any problems with the client, as it doesn't
* deliberately try to trigger divide-by-zero exceptions.
*/
Opcodes.IDIV,
Opcodes.LDIV,
Opcodes.FDIV,
Opcodes.DDIV,
Opcodes.IREM,
Opcodes.LREM,
Opcodes.FREM,
Opcodes.DREM,
Opcodes.INEG,
Opcodes.LNEG,
Opcodes.FNEG,
Opcodes.DNEG,
Opcodes.ISHL,
Opcodes.LSHL,
Opcodes.ISHR,
Opcodes.LSHR,
Opcodes.IUSHR,
Opcodes.LUSHR,
Opcodes.IAND,
Opcodes.LAND,
Opcodes.IOR,
Opcodes.LOR,
Opcodes.IXOR,
Opcodes.LXOR,
Opcodes.I2L,
Opcodes.I2F,
Opcodes.I2D,
Opcodes.L2I,
Opcodes.L2F,
Opcodes.L2D,
Opcodes.F2I,
Opcodes.F2L,
Opcodes.F2D,
Opcodes.D2I,
Opcodes.D2L,
Opcodes.D2F,
Opcodes.I2B,
Opcodes.I2C,
Opcodes.I2S,
Opcodes.LCMP,
Opcodes.FCMPL,
Opcodes.FCMPG,
Opcodes.DCMPL,
Opcodes.DCMPG,
Opcodes.GETSTATIC,
Opcodes.NEW,
Opcodes.INSTANCEOF
)
private val IMPURE_OPCODES = setOf(
Opcodes.IALOAD,
Opcodes.LALOAD,
Opcodes.FALOAD,
Opcodes.DALOAD,
Opcodes.AALOAD,
Opcodes.BALOAD,
Opcodes.CALOAD,
Opcodes.SALOAD,
Opcodes.ISTORE,
Opcodes.LSTORE,
Opcodes.FSTORE,
Opcodes.DSTORE,
Opcodes.ASTORE,
Opcodes.IASTORE,
Opcodes.LASTORE,
Opcodes.FASTORE,
Opcodes.DASTORE,
Opcodes.AASTORE,
Opcodes.BASTORE,
Opcodes.CASTORE,
Opcodes.SASTORE,
Opcodes.IINC,
Opcodes.IFEQ,
Opcodes.IFNE,
Opcodes.IFLT,
Opcodes.IFGE,
Opcodes.IFGT,
Opcodes.IFLE,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE,
Opcodes.IF_ICMPLT,
Opcodes.IF_ICMPGE,
Opcodes.IF_ICMPGT,
Opcodes.IF_ICMPLE,
Opcodes.IF_ACMPEQ,
Opcodes.IF_ACMPNE,
Opcodes.GOTO,
Opcodes.JSR,
Opcodes.RET,
Opcodes.TABLESWITCH,
Opcodes.LOOKUPSWITCH,
Opcodes.IRETURN,
Opcodes.LRETURN,
Opcodes.FRETURN,
Opcodes.DRETURN,
Opcodes.ARETURN,
Opcodes.RETURN,
Opcodes.PUTSTATIC,
Opcodes.GETFIELD,
Opcodes.PUTFIELD,
Opcodes.INVOKEVIRTUAL,
Opcodes.INVOKESPECIAL,
Opcodes.INVOKESTATIC,
Opcodes.INVOKEINTERFACE,
Opcodes.INVOKEDYNAMIC,
Opcodes.NEWARRAY,
Opcodes.ANEWARRAY,
Opcodes.ARRAYLENGTH,
Opcodes.ATHROW,
Opcodes.CHECKCAST,
Opcodes.MONITORENTER,
Opcodes.MONITOREXIT,
Opcodes.MULTIANEWARRAY,
Opcodes.IFNULL,
Opcodes.IFNONNULL
)
val AbstractInsnNode.nextReal: AbstractInsnNode?
get() {
var insn = next
while (insn != null && insn.opcode == -1) {
insn = insn.next
}
return insn
}
val AbstractInsnNode.previousReal: AbstractInsnNode?
get() {
var insn = previous
while (insn != null && insn.opcode == -1) {
insn = insn.previous
}
return insn
}
val AbstractInsnNode.nextVirtual: AbstractInsnNode?
get() {
var insn = next
while (insn != null && insn.opcode != -1) {
insn = insn.next
}
return insn
}
val AbstractInsnNode.previousVirtual: AbstractInsnNode?
get() {
var insn = previous
while (insn != null && insn.opcode != -1) {
insn = insn.previous
}
return insn
}
val AbstractInsnNode.intConstant: Int?
get() = when (this) {
is IntInsnNode -> {
if (opcode == Opcodes.BIPUSH || opcode == Opcodes.SIPUSH) {
operand
} else {
null
}
}
is LdcInsnNode -> {
val cst = cst
if (cst is Int) {
cst
} else {
null
}
}
else -> when (opcode) {
Opcodes.ICONST_M1 -> -1
Opcodes.ICONST_0 -> 0
Opcodes.ICONST_1 -> 1
Opcodes.ICONST_2 -> 2
Opcodes.ICONST_3 -> 3
Opcodes.ICONST_4 -> 4
Opcodes.ICONST_5 -> 5
else -> null
}
}
val AbstractInsnNode.pure: Boolean
get() = when {
PURE_OPCODES.contains(opcode) -> true
IMPURE_OPCODES.contains(opcode) -> false
else -> throw IllegalArgumentException()
}
fun createIntConstant(value: Int): AbstractInsnNode = when (value) {
-1 -> InsnNode(Opcodes.ICONST_M1)
0 -> InsnNode(Opcodes.ICONST_0)
1 -> InsnNode(Opcodes.ICONST_1)
2 -> InsnNode(Opcodes.ICONST_2)
3 -> InsnNode(Opcodes.ICONST_3)
4 -> InsnNode(Opcodes.ICONST_4)
5 -> InsnNode(Opcodes.ICONST_5)
in Byte.MIN_VALUE..Byte.MAX_VALUE -> IntInsnNode(Opcodes.BIPUSH, value)
in Short.MIN_VALUE..Short.MAX_VALUE -> IntInsnNode(Opcodes.SIPUSH, value)
else -> LdcInsnNode(value)
}
fun AbstractInsnNode.toPrettyString(): String {
val printer = Textifier()
val visitor = TraceMethodVisitor(printer)
accept(visitor)
try {
StringWriter().use { stringWriter ->
PrintWriter(stringWriter).use { printWriter ->
printer.print(printWriter)
return stringWriter.toString().trim { it <= ' ' }
}
}
} catch (ex: IOException) {
throw UncheckedIOException(ex)
}
}

4
bundler/src/main/java/dev/openrs2/bundler/transform/BufferSizeTransformer.java
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@ -3,7 +3,7 @@ package dev.openrs2.bundler.transform;
import java.util.Optional;
import dev.openrs2.asm.InsnMatcher;
import dev.openrs2.asm.InsnNodeUtils;
import dev.openrs2.asm.InsnNodeUtilsKt;
import dev.openrs2.asm.MemberRef;
import dev.openrs2.asm.MethodNodeUtilsKt;
import dev.openrs2.asm.classpath.ClassPath;
@ -79,7 +79,7 @@ public final class BufferSizeTransformer extends Transformer {
return;
}
method.instructions.set(match.get(2), InsnNodeUtils.createIntConstant(65535));
method.instructions.set(match.get(2), InsnNodeUtilsKt.createIntConstant(65535));
buffersResized++;
});

4
deob/src/main/java/dev/openrs2/deob/analysis/ConstSourceInterpreter.java
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@ -3,7 +3,7 @@ package dev.openrs2.deob.analysis;
import java.util.List;
import com.google.common.collect.ImmutableList;
import dev.openrs2.asm.InsnNodeUtils;
import dev.openrs2.asm.InsnNodeUtilsKt;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
@ -36,7 +36,7 @@ public final class ConstSourceInterpreter extends Interpreter<ConstSourceValue>
return null;
}
if (InsnNodeUtils.isIntConstant(insn)) {
if (InsnNodeUtilsKt.getIntConstant(insn) != null) {
return ConstSourceValue.createSingleSourceConstant(basicValue, insn);
}

7
deob/src/main/java/dev/openrs2/deob/analysis/IntInterpreter.java
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@ -5,7 +5,7 @@ import java.util.List;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import dev.openrs2.asm.InsnNodeUtils;
import dev.openrs2.asm.InsnNodeUtilsKt;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
@ -70,8 +70,9 @@ public final class IntInterpreter extends Interpreter<IntValue> {
return null;
}
if (InsnNodeUtils.isIntConstant(insn)) {
return IntValue.newConstant(basicValue, InsnNodeUtils.getIntConstant(insn));
var v = InsnNodeUtilsKt.getIntConstant(insn);
if (v != null) {
return IntValue.newConstant(basicValue, v);
}
return IntValue.newUnknown(basicValue);

7
deob/src/main/java/dev/openrs2/deob/transform/BitShiftTransformer.kt
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@ -2,9 +2,10 @@ package dev.openrs2.deob.transform
import com.github.michaelbull.logging.InlineLogger
import dev.openrs2.asm.InsnMatcher
import dev.openrs2.asm.InsnNodeUtils
import dev.openrs2.asm.classpath.ClassPath
import dev.openrs2.asm.classpath.Library
import dev.openrs2.asm.createIntConstant
import dev.openrs2.asm.intConstant
import dev.openrs2.asm.transform.Transformer
import org.objectweb.asm.Opcodes
import org.objectweb.asm.tree.ClassNode
@ -25,7 +26,7 @@ class BitShiftTransformer : Transformer() {
): Boolean {
CONST_SHIFT_MATCHER.match(method).forEach {
val push = it[0]
val bits = InsnNodeUtils.getIntConstant(push)
val bits = push.intConstant!!
val opcode = it[1].opcode
val mask = if (LONG_SHIFTS.contains(opcode)) 63 else 31
@ -33,7 +34,7 @@ class BitShiftTransformer : Transformer() {
val simplifiedBits = bits and mask
if (bits != simplifiedBits) {
method.instructions[push] = InsnNodeUtils.createIntConstant(simplifiedBits)
method.instructions[push] = createIntConstant(simplifiedBits)
simplified++
}
}

14
deob/src/main/java/dev/openrs2/deob/transform/DummyArgTransformer.java
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@ -13,7 +13,7 @@ import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Multimap;
import dev.openrs2.asm.InsnListUtils;
import dev.openrs2.asm.InsnMatcher;
import dev.openrs2.asm.InsnNodeUtils;
import dev.openrs2.asm.InsnNodeUtilsKt;
import dev.openrs2.asm.MemberRef;
import dev.openrs2.asm.StackMetadataKt;
import dev.openrs2.asm.classpath.ClassPath;
@ -280,7 +280,7 @@ public final class DummyArgTransformer extends Transformer {
conditionValue = null;
matchIndex++;
} else {
conditionValue = InsnNodeUtils.getIntConstant(match.get(matchIndex++));
conditionValue = InsnNodeUtilsKt.getIntConstant(match.get(matchIndex++));
conditionOpcode = match.get(matchIndex++).getOpcode();
}
@ -297,8 +297,8 @@ public final class DummyArgTransformer extends Transformer {
var insn = match.get(matchIndex++);
if (insn.getOpcode() == Opcodes.ACONST_NULL) {
matchIndex++;
} else if (InsnNodeUtils.isIntConstant(insn)) {
constArgs[i] = InsnNodeUtils.getIntConstant(insn);
} else {
constArgs[i] = InsnNodeUtilsKt.getIntConstant(insn);
}
}
@ -387,7 +387,7 @@ public final class DummyArgTransformer extends Transformer {
}
break;
default:
if (!InsnNodeUtils.isPure(insn) || InsnNodeUtils.isIntConstant(insn)) {
if (!InsnNodeUtilsKt.getPure(insn) || InsnNodeUtilsKt.getIntConstant(insn) != null) {
continue;
}
@ -395,7 +395,7 @@ public final class DummyArgTransformer extends Transformer {
continue;
}
var nextInsn = InsnNodeUtils.nextReal(insn);
var nextInsn = InsnNodeUtilsKt.getNextReal(insn);
if (nextInsn == null) {
continue;
}
@ -433,7 +433,7 @@ public final class DummyArgTransformer extends Transformer {
continue;
}
var replacement = InsnNodeUtils.createIntConstant(entry.getValue());
var replacement = InsnNodeUtilsKt.createIntConstant(entry.getValue());
if (InsnListUtils.replaceSimpleExpression(method.instructions, insn, replacement)) {
constantsInlined++;
changed = true;

4
deob/src/main/java/dev/openrs2/deob/transform/ExceptionTracingTransformer.kt
Unescape View File

@ -2,9 +2,9 @@ package dev.openrs2.deob.transform
import com.github.michaelbull.logging.InlineLogger
import dev.openrs2.asm.InsnMatcher
import dev.openrs2.asm.InsnNodeUtils
import dev.openrs2.asm.classpath.ClassPath
import dev.openrs2.asm.classpath.Library
import dev.openrs2.asm.nextReal
import dev.openrs2.asm.transform.Transformer
import org.objectweb.asm.tree.ClassNode
import org.objectweb.asm.tree.MethodNode
@ -24,7 +24,7 @@ class ExceptionTracingTransformer : Transformer() {
): Boolean {
CATCH_MATCHER.match(method).forEach { match ->
val foundTryCatch = method.tryCatchBlocks.removeIf { tryCatch ->
tryCatch.type == "java/lang/RuntimeException" && InsnNodeUtils.nextReal(tryCatch.handler) === match[0]
tryCatch.type == "java/lang/RuntimeException" && tryCatch.handler.nextReal === match[0]
}
if (foundTryCatch) {

4
deob/src/main/java/dev/openrs2/deob/transform/ResetTransformer.java
Unescape View File

@ -3,7 +3,7 @@ package dev.openrs2.deob.transform;
import java.util.HashSet;
import java.util.Set;
import dev.openrs2.asm.InsnNodeUtils;
import dev.openrs2.asm.InsnNodeUtilsKt;
import dev.openrs2.asm.MemberRef;
import dev.openrs2.asm.MethodNodeUtilsKt;
import dev.openrs2.asm.classpath.ClassPath;
@ -49,7 +49,7 @@ public final class ResetTransformer extends Transformer {
continue;
}
var nextInsn = InsnNodeUtils.nextReal(insn);
var nextInsn = InsnNodeUtilsKt.getNextReal(insn);
if (nextInsn.getOpcode() != Opcodes.INVOKEVIRTUAL) {
continue;
}

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