Replace contains() calls with the in operator

These are artifacts of the Java port.

asm/src/main/java/dev/openrs2/asm/InsnNodeUtils.kt

@@ -250,9 +250,9 @@ val AbstractInsnNode.intConstant: Int?
     }
 
 val AbstractInsnNode.pure: Boolean
-    get() = when {
-        PURE_OPCODES.contains(opcode) -> true
-        IMPURE_OPCODES.contains(opcode) -> false
+    get() = when (opcode) {
+        in PURE_OPCODES -> true
+        in IMPURE_OPCODES -> false
         else -> throw IllegalArgumentException()
     }
 

asm/src/main/java/dev/openrs2/asm/MethodNodeUtils.kt

@@ -79,14 +79,14 @@ fun MethodNode.removeArgument(argIndex: Int) {
     }
 
     if (visibleLocalVariableAnnotations != null) {
-        visibleLocalVariableAnnotations.removeIf { it.index.contains(localIndex) }
+        visibleLocalVariableAnnotations.removeIf { localIndex in it.index }
         for (annotation in visibleLocalVariableAnnotations) {
             annotation.index = remapAll(annotation.index, argType, localIndex)
         }
     }
 
     if (invisibleLocalVariableAnnotations != null) {
-        invisibleLocalVariableAnnotations.removeIf { it.index.contains(localIndex) }
+        invisibleLocalVariableAnnotations.removeIf { localIndex in it.index }
         for (annotation in invisibleLocalVariableAnnotations) {
             annotation.index = remapAll(annotation.index, argType, localIndex)
         }
@@ -133,7 +133,7 @@ fun MethodNode.removeDeadCode(owner: String) {
             }
         }
 
-        changed = changed or tryCatchBlocks.removeIf { deadLabels.contains(it.start) && deadLabels.contains(it.end) }
+        changed = changed or tryCatchBlocks.removeIf { it.start in deadLabels && it.end in deadLabels }
     } while (changed)
 }
 

asm/src/main/java/dev/openrs2/asm/classpath/ClassMetadata.kt

@@ -16,7 +16,7 @@ abstract class ClassMetadata {
     fun isOverride(method: MemberDesc): Boolean {
         val superClass = this.superClass
         if (superClass != null) {
-            if (superClass.methods.contains(method)) {
+            if (method in superClass.methods) {
                 return true
             }
 
@@ -26,7 +26,7 @@ abstract class ClassMetadata {
         }
 
         for (superInterface in superInterfaces) {
-            if (superInterface.methods.contains(method)) {
+            if (method in superInterface.methods) {
                 return true
             }
 

deob-ast/src/main/java/dev/openrs2/deob/ast/transform/BitMaskTransformer.kt

@@ -15,7 +15,7 @@ class BitMaskTransformer : Transformer() {
             val left = expr.left
             val shamtExpr = expr.right
 
-            if (!SHIFT_OPS.contains(shiftOp) || !left.isBinaryExpr || !shamtExpr.isIntegerLiteralExpr) {
+            if (shiftOp !in SHIFT_OPS || !left.isBinaryExpr || !shamtExpr.isIntegerLiteralExpr) {
                 return@walk
             }
 
@@ -24,7 +24,7 @@ class BitMaskTransformer : Transformer() {
             val argExpr = bitwiseExpr.left
             var maskExpr = bitwiseExpr.right
 
-            if (!BITWISE_OPS.contains(bitwiseOp) || !maskExpr.isIntegerOrLongLiteral()) {
+            if (bitwiseOp !in BITWISE_OPS || !maskExpr.isIntegerOrLongLiteral()) {
                 return@walk
             }
 

deob/src/main/java/dev/openrs2/deob/SignedClassUtils.kt

@@ -82,7 +82,7 @@ object SignedClassUtils {
                 }
 
                 val name = type.className
-                if (loader.contains(name) && !signedClasses.contains(name)) {
+                if (name in loader && name !in signedClasses) {
                     dependencies.add(name)
                 }
             }

deob/src/main/java/dev/openrs2/deob/remap/PrefixRemapper.kt

@@ -9,7 +9,7 @@ object PrefixRemapper {
         val mapping = mutableMapOf<String, String>()
 
         for (clazz in library) {
-            if (TypedRemapper.EXCLUDED_CLASSES.contains(clazz.name)) {
+            if (clazz.name in TypedRemapper.EXCLUDED_CLASSES) {
                 mapping[clazz.name] = clazz.name
             } else {
                 mapping[clazz.name] = prefix + clazz.name

deob/src/main/java/dev/openrs2/deob/remap/TypedRemapper.kt

@@ -103,7 +103,7 @@ class TypedRemapper private constructor(
             clazz: ClassMetadata
         ): String {
             val name = clazz.name
-            if (mapping.containsKey(name) || EXCLUDED_CLASSES.contains(name) || clazz.dependency) {
+            if (mapping.containsKey(name) || name in EXCLUDED_CLASSES || clazz.dependency) {
                 return mapping.getOrDefault(name, name)
             }
 
@@ -138,7 +138,7 @@ class TypedRemapper private constructor(
                 for ((owner, name) in partition) {
                     val clazz = classPath[owner]
 
-                    if (EXCLUDED_FIELDS.contains(name)) {
+                    if (name in EXCLUDED_FIELDS) {
                         skip = true
                         break
                     }
@@ -188,7 +188,7 @@ class TypedRemapper private constructor(
             for (method in partition) {
                 val clazz = classPath[method.owner]
 
-                if (EXCLUDED_METHODS.contains(method.name)) {
+                if (method.name in EXCLUDED_METHODS) {
                     return true
                 }
 

deob/src/main/java/dev/openrs2/deob/transform/BitShiftTransformer.kt

@@ -29,7 +29,7 @@ class BitShiftTransformer : Transformer() {
             val bits = push.intConstant!!
 
             val opcode = match[1].opcode
-            val mask = if (LONG_SHIFTS.contains(opcode)) 63 else 31
+            val mask = if (opcode in LONG_SHIFTS) 63 else 31
 
             val simplifiedBits = bits and mask
 

deob/src/main/java/dev/openrs2/deob/transform/CounterTransformer.kt

@@ -94,7 +94,7 @@ class CounterTransformer : Transformer() {
     ): Boolean {
         for (match in RESET_PATTERN.match(method)) {
             val putstatic = match[1] as FieldInsnNode
-            if (counters.contains(MemberRef(putstatic))) {
+            if (MemberRef(putstatic) in counters) {
                 match.forEach(method.instructions::remove)
             }
         }
@@ -102,7 +102,7 @@ class CounterTransformer : Transformer() {
         for (match in INCREMENT_PATTERN.match(method)) {
             val getstatic = MemberRef(match[0] as FieldInsnNode)
             val putstatic = MemberRef(match[3] as FieldInsnNode)
-            if (getstatic == putstatic && counters.contains(putstatic)) {
+            if (getstatic == putstatic && putstatic in counters) {
                 match.forEach(method.instructions::remove)
             }
         }

deob/src/main/java/dev/openrs2/deob/transform/DummyArgTransformer.kt

@@ -311,7 +311,7 @@ class DummyArgTransformer : Transformer() {
         }
 
         for ((insn, value) in constInsns) {
-            if (!method.instructions.contains(insn)) {
+            if (insn !in method.instructions) {
                 continue
             }
 

deob/src/main/java/dev/openrs2/deob/transform/OpaquePredicateTransformer.kt

@@ -54,7 +54,7 @@ class OpaquePredicateTransformer : Transformer() {
     }
 
     private fun isFlowObstructor(insn: FieldInsnNode): Boolean {
-        return flowObstructors.contains(MemberRef(insn))
+        return MemberRef(insn) in flowObstructors
     }
 
     private fun isOpaquePredicate(method: MethodNode, match: List<AbstractInsnNode>): Boolean {

deob/src/main/java/dev/openrs2/deob/transform/UnusedArgTransformer.kt

@@ -122,7 +122,7 @@ class UnusedArgTransformer : Transformer() {
             val newArgTypes = mutableListOf<Type>()
 
             for ((j, argType) in argTypes.withIndex()) {
-                if (INT_SORTS.contains(argType.sort) && !retainedArgs.contains(ArgRef(partition, j))) {
+                if (argType.sort in INT_SORTS && ArgRef(partition, j) !in retainedArgs) {
                     val value = frame.getStack(stackSize - argTypes.size + j) as ConstSourceValue.Single
                     deadInsns.add(value.source)
                 } else {
@@ -152,7 +152,7 @@ class UnusedArgTransformer : Transformer() {
 
         val argTypes = Type.getType(method.desc).argumentTypes
         for ((i, argType) in argTypes.withIndex().reversed()) {
-            if (INT_SORTS.contains(argType.sort) && !retainedArgs.contains(ArgRef(partition, i))) {
+            if (argType.sort in INT_SORTS && ArgRef(partition, i) !in retainedArgs) {
                 method.removeArgument(i)
                 deletedArgs++
             }