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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.
/*
* ProGuardCORE -- library to process Java bytecode.
*
* Copyright (c) 2002-2020 Guardsquare NV
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package proguard.classfile.kotlin;
import java.util.*;
import proguard.classfile.*;
import proguard.classfile.editor.*;
import proguard.util.ProcessingFlags;
public class KotlinConstants {
public static final int METADATA_KIND_CLASS = 1;
public static final int METADATA_KIND_FILE_FACADE = 2;
public static final int METADATA_KIND_SYNTHETIC_CLASS = 3;
public static final int METADATA_KIND_MULTI_FILE_CLASS_FACADE = 4;
public static final int METADATA_KIND_MULTI_FILE_CLASS_PART = 5;
public static final char INNER_CLASS_SEPARATOR = '.';
public static final char FUNCTION_NAME_MANGLE_SEPARATOR = '-';
public static final String FUNCTION_NAME_ANONYMOUS = "";
public static final String METHOD_NAME_LAMBDA_INVOKE = "invoke";
public static final String NAME_KOTLIN_METADATA = "kotlin/Metadata";
public static final String TYPE_KOTLIN_METADATA = "Lkotlin/Metadata;";
public static final String NAME_KOTLIN_ANY = "kotlin/Any";
public static final String NAME_KOTLIN_UNIT = "kotlin/Unit";
public static final String TYPE_KOTLIN_UNIT = "Lkotlin/Unit;";
public static final String NAME_KOTLIN_ENUM = "kotlin/Enum";
public static final String NAME_KOTLIN_FUNCTION =
"kotlin/Function"; // kotlin/Function and also kotlin/FunctionN
public static final String NAME_KOTLIN_EXTENSION_FUNCTION = "kotlin/ExtensionFunctionType";
public static final String NAME_KOTLIN_PARAMETER_NAME = "kotlin/ParameterName";
public static final String NAME_KOTLIN_COROUTINES_DEBUG_METADATA =
"kotlin/coroutines/jvm/internal/DebugMetadata";
public static final String TYPE_KOTLIN_JVM_JVMNAME = "Lkotlin/jvm/JvmName;";
public static final String TYPE_KOTLIN_DEFAULT_CONSTRUCTOR_MARKER =
"Lkotlin/jvm/internal/DefaultConstructorMarker;";
public static final String DEFAULT_METHOD_SUFFIX = "$default";
public static final String DEFAULT_IMPLEMENTATIONS_SUFFIX = "$DefaultImpls";
public static final String WHEN_MAPPINGS_SUFFIX = "$WhenMappings";
public static final String KOTLIN_OBJECT_INSTANCE_FIELD_NAME = "INSTANCE";
public static final String KOTLIN_INTRINSICS_CLASS = "kotlin/jvm/internal/Intrinsics";
public static final String KOTLIN_METADATA_FIELD_K = "k";
public static final String KOTLIN_METADATA_FIELD_BV = "bv";
public static final String KOTLIN_METADATA_FIELD_MV = "mv";
public static final String KOTLIN_METADATA_FIELD_D1 = "d1";
public static final String KOTLIN_METADATA_FIELD_D2 = "d2";
public static final String KOTLIN_METADATA_FIELD_XI = "xi";
public static final String KOLTIN_METADATA_FIELD_XS = "xs";
public static final String KOTLIN_METADATA_FIELD_PN = "pn";
public static final class REFLECTION {
public static final String CLASS_NAME = "kotlin/jvm/internal/Reflection";
public static final String CALLABLE_REFERENCE_CLASS_NAME =
"kotlin/jvm/internal/CallableReference";
public static final String FUNCTION_REFERENCE_CLASS_NAME =
"kotlin/jvm/internal/FunctionReference";
public static final String PROPERTY_REFERENCE_CLASS_NAME =
"kotlin/jvm/internal/PropertyReference";
public static final String LOCALVAR_REFERENCE_CLASS_NAME =
"kotlin/jvm/internal/LocalVariableReference";
public static final String PROPERTY_REFERENCE_GET_METHOD_NAME = "get";
public static final String PROPERTY_REFERENCE_GET_METHOD_TYPE = "()Ljava/lang/Object;";
public static final String GETNAME_METHOD_NAME = "getName";
public static final String GETNAME_METHOD_DESC = "()Ljava/lang/String;";
public static final String GETSIGNATURE_METHOD_NAME = "getSignature";
public static final String GETSIGNATURE_METHOD_DESC = "()Ljava/lang/String;";
public static final String GETOWNER_METHOD_NAME = "getOwner";
public static final String GETOWNER_METHOD_DESC = "()Lkotlin/reflect/KDeclarationContainer;";
public static final String GETORCREATEKOTLINCLASS_METHOD_NAME = "getOrCreateKotlinClass";
public static final String GETORCREATEKOTLINCLASS_METHOD_DESC =
"(Ljava/lang/Class;)Lkotlin/reflect/KClass;";
public static final String GETORCREATEKOTLINPACKAGE_METHOD_NAME = "getOrCreateKotlinPackage";
public static final String GETORCREATEKOTLINPACKAGE_METHOD_DESC =
"(Ljava/lang/Class;Ljava/lang/String;)Lkotlin/reflect/KDeclarationContainer;";
}
public static final class MODULE {
public static final String FILE_EXTENSION = ".kotlin_module";
public static final String FILE_EXPRESSION = "META-INF/*" + FILE_EXTENSION;
}
private static final String[] KOTLIN_MAPPED_TYPES = {
// Primitives
"kotlin/Byte",
"kotlin/Short",
"kotlin/Int",
"kotlin/Long",
"kotlin/Char",
"kotlin/Float",
"kotlin/Double",
"kotlin/Boolean",
// Non-primitives
"kotlin/Unit",
"kotlin/Nothing",
"kotlin/Any",
"kotlin/Cloneable",
"kotlin/Comparable",
"kotlin/Enum",
"kotlin/Annotation",
"kotlin/CharSequence",
"kotlin/String",
"kotlin/Number",
"kotlin/Throwable",
// Collection types
"kotlin/collections/Iterator",
"kotlin/collections/Iterable",
"kotlin/collections/Collection",
"kotlin/collections/Set",
"kotlin/collections/List",
"kotlin/collections/ListIterator",
"kotlin/collections/Map",
"kotlin/collections/Map$Entry",
"kotlin/collections/MutableIterator",
"kotlin/collections/MutableIterable",
"kotlin/collections/MutableCollection",
"kotlin/collections/MutableSet",
"kotlin/collections/MutableList",
"kotlin/collections/MutableListIterator",
"kotlin/collections/MutableMap",
"kotlin/collections/MutableMap$MutableEntry",
// Arrays
"kotlin/Array",
"kotlin/ByteArray",
"kotlin/ShortArray",
"kotlin/IntArray",
"kotlin/LongArray",
"kotlin/CharArray",
"kotlin/FloatArray",
"kotlin/DoubleArray",
"kotlin/BooleanArray",
// Primitive companions
"kotlin/Byte$Companion",
"kotlin/Short$Companion",
"kotlin/Int$Companion",
"kotlin/Long$Companion",
"kotlin/Char$Companion",
"kotlin/Float$Companion",
"kotlin/Double$Companion",
"kotlin/Boolean$Companion",
// Non-primitive companions
"kotlin/String$Companion",
// kotlin/Function0..kotlin/FunctionN
// kotlin/reflect/KFunction0..kotlin/reflect/KFunctionN
// Created dynamically when encountered
// See Kotlin documentation for more information:
// https://github.com/JetBrains/kotlin/blob/master/spec-docs/function-types.md
""
};
private static final Map javaToKotlinTypeMap = new HashMap<>();
static {
javaToKotlinTypeMap.put("java/lang/Byte", "kotlin/Byte");
javaToKotlinTypeMap.put("java/lang/Short", "kotlin/Short");
javaToKotlinTypeMap.put("java/lang/Integer", "kotlin/Int");
javaToKotlinTypeMap.put("java/lang/Long", "kotlin/Long");
javaToKotlinTypeMap.put("java/lang/Character", "kotlin/Char");
javaToKotlinTypeMap.put("java/lang/Float", "kotlin/Float");
javaToKotlinTypeMap.put("java/lang/Double", "kotlin/Double");
javaToKotlinTypeMap.put("java/lang/Boolean", "kotlin/Boolean");
javaToKotlinTypeMap.put("java/lang/Object", "kotlin/Any");
javaToKotlinTypeMap.put("java/lang/Cloneable", "kotlin/Cloneable");
javaToKotlinTypeMap.put("java/lang/Comparable", "kotlin/Comparable");
javaToKotlinTypeMap.put("java/lang/Enum", "kotlin/Enum");
javaToKotlinTypeMap.put("java/lang/Annotation", "kotlin/Annotation");
javaToKotlinTypeMap.put("java/lang/CharSequence", "kotlin/CharSequence");
javaToKotlinTypeMap.put("java/lang/String", "kotlin/String");
javaToKotlinTypeMap.put("java/lang/Number", "kotlin/Number");
javaToKotlinTypeMap.put("java/lang/Throwable", "kotlin/Throwable");
javaToKotlinTypeMap.put("java/util/Iterator", "kotlin/collections/Iterator");
javaToKotlinTypeMap.put("java/lang/Iterable", "kotlin/collections/Iterable");
javaToKotlinTypeMap.put("java/util/Collection", "kotlin/collections/Collection");
javaToKotlinTypeMap.put("java/util/Set", "kotlin/collections/Set");
javaToKotlinTypeMap.put("java/util/List", "kotlin/collections/List");
javaToKotlinTypeMap.put("java/util/ListIterator", "kotlin/collections/ListIterator");
javaToKotlinTypeMap.put("java/util/Map", "kotlin/collections/Map");
javaToKotlinTypeMap.put("java/util/Map$Entry", "kotlin/collections/Map$Entry");
}
public static String metadataKindToString(int kind) {
switch (kind) {
case METADATA_KIND_CLASS:
return "class";
case METADATA_KIND_FILE_FACADE:
return "file facade";
case METADATA_KIND_SYNTHETIC_CLASS:
return "synthetic class";
case METADATA_KIND_MULTI_FILE_CLASS_FACADE:
return "multi-file class facade";
case METADATA_KIND_MULTI_FILE_CLASS_PART:
return "multi-file class part";
default:
return "unknown";
}
}
public static final ClassPool dummyClassPool =
new ClassPool() {
{
for (String dummyType : KOTLIN_MAPPED_TYPES) {
addClass(createDummyClass(dummyType));
}
}
@Override
public Clazz getClass(String className) {
Clazz clazz = super.getClass(className);
if (clazz == null
&& (className.startsWith("kotlin/Function")
|| className.startsWith("kotlin/reflect/KFunction"))) {
clazz = createDummyClass(className);
super.addClass(clazz);
}
return clazz;
}
};
/**
* Get the Kotlin equivalent of a Java type.
*
* @param javaType the class of the Java type.
* @return Kotlin type class or the original Java type class if it doesn't have a Kotlin
* equivalent
*/
public static Clazz getKotlinType(Clazz javaType) {
String javaTypeName = javaType.getName();
if (javaToKotlinTypeMap.containsKey(javaTypeName)) {
return dummyClassPool.getClass(javaToKotlinTypeMap.get(javaTypeName));
} else {
return javaType;
}
}
// Small helper methods.
private static ProgramClass createDummyClass(String name) {
ClassBuilder editor =
new ClassBuilder(
55,
AccessConstants.PUBLIC,
name,
ClassConstants.NAME_JAVA_LANG_OBJECT,
null,
ProcessingFlags.DONT_OBFUSCATE
| ProcessingFlags.DONT_OPTIMIZE
| ProcessingFlags.DONT_SHRINK,
null);
return editor.getProgramClass();
}
}
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