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Convert ConstSourceInterpreter to Kotlin

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master
Graham 5 years ago
parent d6fc7b337b
commit fdd1835fdd
2 changed files with 92 additions and 117 deletions
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  1. 117
      deob/src/main/java/dev/openrs2/deob/analysis/ConstSourceInterpreter.java
  2. 92
      deob/src/main/java/dev/openrs2/deob/analysis/ConstSourceInterpreter.kt

117
deob/src/main/java/dev/openrs2/deob/analysis/ConstSourceInterpreter.java
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@ -1,117 +0,0 @@
package dev.openrs2.deob.analysis;
import java.util.List;
import com.google.common.collect.ImmutableList;
import dev.openrs2.asm.InsnNodeUtilsKt;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.analysis.AnalyzerException;
import org.objectweb.asm.tree.analysis.BasicInterpreter;
import org.objectweb.asm.tree.analysis.BasicValue;
import org.objectweb.asm.tree.analysis.Interpreter;
public final class ConstSourceInterpreter extends Interpreter<ConstSourceValue> {
private final Interpreter<BasicValue> basicInterpreter = new BasicInterpreter();
public ConstSourceInterpreter() {
super(Opcodes.ASM7);
}
@Override
public ConstSourceValue newValue(Type type) {
var basicValue = basicInterpreter.newValue(type);
if (basicValue == null) {
return null;
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public ConstSourceValue newOperation(AbstractInsnNode insn) throws AnalyzerException {
var basicValue = basicInterpreter.newOperation(insn);
if (basicValue == null) {
return null;
}
if (InsnNodeUtilsKt.getIntConstant(insn) != null) {
return ConstSourceValue.createSingleSourceConstant(basicValue, insn);
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public ConstSourceValue copyOperation(AbstractInsnNode insn, ConstSourceValue value) throws AnalyzerException {
var basicValue = basicInterpreter.copyOperation(insn, value.getBasicValue());
if (basicValue == null) {
return null;
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public ConstSourceValue unaryOperation(AbstractInsnNode insn, ConstSourceValue value) throws AnalyzerException {
var basicValue = basicInterpreter.unaryOperation(insn, value.getBasicValue());
if (basicValue == null) {
return null;
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public ConstSourceValue binaryOperation(AbstractInsnNode insn, ConstSourceValue value1, ConstSourceValue value2) throws AnalyzerException {
var basicValue = basicInterpreter.binaryOperation(insn, value1.getBasicValue(), value2.getBasicValue());
if (basicValue == null) {
return null;
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public ConstSourceValue ternaryOperation(AbstractInsnNode insn, ConstSourceValue value1, ConstSourceValue value2, ConstSourceValue value3) throws AnalyzerException {
var basicValue = basicInterpreter.ternaryOperation(insn, value1.getBasicValue(), value2.getBasicValue(), value3.getBasicValue());
if (basicValue == null) {
return null;
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public ConstSourceValue naryOperation(AbstractInsnNode insn, List<? extends ConstSourceValue> values) throws AnalyzerException {
var args = values.stream()
.map(ConstSourceValue::getBasicValue)
.collect(ImmutableList.toImmutableList());
var basicValue = basicInterpreter.naryOperation(insn, args);
if (basicValue == null) {
return null;
}
return ConstSourceValue.createUnknown(basicValue);
}
@Override
public void returnOperation(AbstractInsnNode insn, ConstSourceValue value, ConstSourceValue expected) throws AnalyzerException {
basicInterpreter.returnOperation(insn, value.getBasicValue(), expected.getBasicValue());
}
@Override
public ConstSourceValue merge(ConstSourceValue value1, ConstSourceValue value2) {
var basicValue = basicInterpreter.merge(value1.getBasicValue(), value2.getBasicValue());
if (basicValue == null) {
return null;
}
if (value1.isSingleSourceConstant() && value1.equals(value2)) {
return value1;
}
return ConstSourceValue.createUnknown(basicValue);
}
}

92
deob/src/main/java/dev/openrs2/deob/analysis/ConstSourceInterpreter.kt
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@ -0,0 +1,92 @@
package dev.openrs2.deob.analysis
import dev.openrs2.asm.intConstant
import org.objectweb.asm.Opcodes
import org.objectweb.asm.Type
import org.objectweb.asm.tree.AbstractInsnNode
import org.objectweb.asm.tree.analysis.AnalyzerException
import org.objectweb.asm.tree.analysis.BasicInterpreter
import org.objectweb.asm.tree.analysis.Interpreter
class ConstSourceInterpreter : Interpreter<ConstSourceValue>(Opcodes.ASM7) {
private val basicInterpreter = BasicInterpreter()
override fun newValue(type: Type?): ConstSourceValue? {
val basicValue = basicInterpreter.newValue(type) ?: return null
return ConstSourceValue.createUnknown(basicValue)
}
@Throws(AnalyzerException::class)
override fun newOperation(insn: AbstractInsnNode): ConstSourceValue {
val basicValue = basicInterpreter.newOperation(insn)
return if (insn.intConstant != null) {
ConstSourceValue.createSingleSourceConstant(basicValue, insn)
} else {
ConstSourceValue.createUnknown(basicValue)
}
}
@Throws(AnalyzerException::class)
override fun copyOperation(insn: AbstractInsnNode, value: ConstSourceValue): ConstSourceValue {
val basicValue = basicInterpreter.copyOperation(insn, value.basicValue)
return ConstSourceValue.createUnknown(basicValue)
}
@Throws(AnalyzerException::class)
override fun unaryOperation(insn: AbstractInsnNode, value: ConstSourceValue): ConstSourceValue? {
val basicValue = basicInterpreter.unaryOperation(insn, value.basicValue) ?: return null
return ConstSourceValue.createUnknown(basicValue)
}
@Throws(AnalyzerException::class)
override fun binaryOperation(
insn: AbstractInsnNode,
value1: ConstSourceValue,
value2: ConstSourceValue
): ConstSourceValue? {
val basicValue =
basicInterpreter.binaryOperation(insn, value1.basicValue, value2.basicValue)
?: return null
return ConstSourceValue.createUnknown(basicValue)
}
@Throws(AnalyzerException::class)
override fun ternaryOperation(
insn: AbstractInsnNode,
value1: ConstSourceValue,
value2: ConstSourceValue,
value3: ConstSourceValue
): ConstSourceValue? {
val basicValue = basicInterpreter.ternaryOperation(
insn,
value1.basicValue,
value2.basicValue,
value3.basicValue
) ?: return null
return ConstSourceValue.createUnknown(basicValue)
}
@Throws(AnalyzerException::class)
override fun naryOperation(
insn: AbstractInsnNode,
values: List<ConstSourceValue>
): ConstSourceValue? {
val args = values.map { it.basicValue }.toList()
val basicValue = basicInterpreter.naryOperation(insn, args) ?: return null
return ConstSourceValue.createUnknown(basicValue)
}
@Throws(AnalyzerException::class)
override fun returnOperation(insn: AbstractInsnNode, value: ConstSourceValue, expected: ConstSourceValue) {
basicInterpreter.returnOperation(insn, value.basicValue, expected.basicValue)
}
override fun merge(value1: ConstSourceValue, value2: ConstSourceValue): ConstSourceValue {
val basicValue = basicInterpreter.merge(value1.basicValue, value2.basicValue)
return if (value1.isSingleSourceConstant && value1 == value2) {
value1
} else {
ConstSourceValue.createUnknown(basicValue)
}
}
}
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