001 /*
002 * Copyright 2010-2015 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.kotlin.codegen.intrinsics;
018
019 import com.google.common.collect.ImmutableList;
020 import org.jetbrains.annotations.NotNull;
021 import org.jetbrains.annotations.Nullable;
022 import org.jetbrains.kotlin.builtins.KotlinBuiltIns;
023 import org.jetbrains.kotlin.builtins.PrimitiveType;
024 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor;
025 import org.jetbrains.kotlin.name.Name;
026 import org.jetbrains.kotlin.resolve.CompileTimeConstantUtils;
027 import org.jetbrains.kotlin.resolve.jvm.JvmPrimitiveType;
028 import org.jetbrains.kotlin.types.expressions.OperatorConventions;
029
030 import java.util.HashMap;
031 import java.util.Map;
032
033 import static org.jetbrains.kotlin.builtins.KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME;
034 import static org.jetbrains.org.objectweb.asm.Opcodes.*;
035
036 public class IntrinsicMethods {
037 public static final String INTRINSICS_CLASS_NAME = "kotlin/jvm/internal/Intrinsics";
038
039 private static final IntrinsicMethod UNARY_MINUS = new UnaryMinus();
040 private static final IntrinsicMethod UNARY_PLUS = new UnaryPlus();
041 private static final IntrinsicMethod NUMBER_CAST = new NumberCast();
042 private static final IntrinsicMethod INV = new Inv();
043 private static final IntrinsicMethod RANGE_TO = new RangeTo();
044 private static final IntrinsicMethod INC = new Increment(1);
045 private static final IntrinsicMethod DEC = new Increment(-1);
046 private static final IntrinsicMethod HASH_CODE = new HashCode();
047
048 private static final IntrinsicMethod ARRAY_SIZE = new ArraySize();
049 private static final Equals EQUALS = new Equals();
050 private static final IdentityEquals IDENTITY_EQUALS = new IdentityEquals();
051 private static final IteratorNext ITERATOR_NEXT = new IteratorNext();
052 private static final ArraySet ARRAY_SET = new ArraySet();
053 private static final ArrayGet ARRAY_GET = new ArrayGet();
054 private static final StringPlus STRING_PLUS = new StringPlus();
055 private static final ToString TO_STRING = new ToString();
056 private static final Clone CLONE = new Clone();
057
058 private final Map<String, IntrinsicMethod> namedMethods = new HashMap<String, IntrinsicMethod>();
059 private static final IntrinsicMethod ARRAY_ITERATOR = new ArrayIterator();
060 private final IntrinsicsMap intrinsicsMap = new IntrinsicsMap();
061
062 public IntrinsicMethods() {
063 namedMethods.put("kotlin.javaClass.function", new JavaClassFunction());
064 namedMethods.put("kotlin.javaClass.property", new JavaClassProperty());
065 namedMethods.put("kotlin.KClass.java.property", new KClassJavaProperty());
066 namedMethods.put("kotlin.arrays.array", new JavaClassArray());
067 namedMethods.put("kotlin.jvm.internal.unsafe.monitorEnter", MonitorInstruction.MONITOR_ENTER);
068 namedMethods.put("kotlin.jvm.internal.unsafe.monitorExit", MonitorInstruction.MONITOR_EXIT);
069
070 ImmutableList<Name> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
071 for (Name method : primitiveCastMethods) {
072 String methodName = method.asString();
073 declareIntrinsicFunction("Number", methodName, 0, NUMBER_CAST);
074 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
075 declareIntrinsicFunction(type.getTypeName().asString(), methodName, 0, NUMBER_CAST);
076 }
077 }
078
079 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
080 String typeName = type.getTypeName().asString();
081 declareIntrinsicFunction(typeName, "plus", 0, UNARY_PLUS);
082 declareIntrinsicFunction(typeName, "minus", 0, UNARY_MINUS);
083 declareIntrinsicFunction(typeName, "inv", 0, INV);
084 declareIntrinsicFunction(typeName, "rangeTo", 1, RANGE_TO);
085 declareIntrinsicFunction(typeName, "inc", 0, INC);
086 declareIntrinsicFunction(typeName, "dec", 0, DEC);
087 }
088
089 for (PrimitiveType type : PrimitiveType.values()) {
090 String typeName = type.getTypeName().asString();
091 declareIntrinsicFunction(typeName, "equals", 1, EQUALS);
092 declareIntrinsicFunction(typeName, "hashCode", 0, HASH_CODE);
093 declareIntrinsicFunction(typeName, "toString", 0, TO_STRING);
094 }
095
096 declareBinaryOp("plus", IADD);
097 declareBinaryOp("minus", ISUB);
098 declareBinaryOp("times", IMUL);
099 declareBinaryOp("div", IDIV);
100 declareBinaryOp("mod", IREM);
101 declareBinaryOp("shl", ISHL);
102 declareBinaryOp("shr", ISHR);
103 declareBinaryOp("ushr", IUSHR);
104 declareBinaryOp("and", IAND);
105 declareBinaryOp("or", IOR);
106 declareBinaryOp("xor", IXOR);
107
108 declareIntrinsicFunction("Boolean", "not", 0, new Not());
109
110 declareIntrinsicFunction("String", "plus", 1, new Concat());
111 declareIntrinsicFunction("String", "get", 1, new StringGetChar());
112
113 declareIntrinsicFunction("Cloneable", "clone", 0, CLONE);
114
115 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.any, "toString", 0, TO_STRING);
116 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.any, "identityEquals", 1, IDENTITY_EQUALS);
117 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.string, "plus", 1, STRING_PLUS);
118 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, null, "arrayOfNulls", 1, new NewArray());
119
120 for (PrimitiveType type : PrimitiveType.values()) {
121 String typeName = type.getTypeName().asString();
122 declareIntrinsicFunction(typeName, "compareTo", 1, new CompareTo());
123 declareIntrinsicFunction(typeName + "Iterator", "next", 0, ITERATOR_NEXT);
124 }
125
126 declareArrayMethods();
127 }
128
129 private void declareArrayMethods() {
130 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
131 declareArrayMethodsForPrimitive(jvmPrimitiveType);
132 }
133
134 declareIntrinsicFunction("Array", "size", 0, ARRAY_SIZE);
135 declareIntrinsicFunction("Array", "set", 2, ARRAY_SET);
136 declareIntrinsicFunction("Array", "get", 1, ARRAY_GET);
137 declareIntrinsicFunction("Array", "clone", 0, CLONE);
138 declareIterator("Array");
139 }
140
141 private void declareArrayMethodsForPrimitive(@NotNull JvmPrimitiveType jvmPrimitiveType) {
142 String arrayTypeName = jvmPrimitiveType.getPrimitiveType().getArrayTypeName().asString();
143 declareIntrinsicFunction(arrayTypeName, "size", 0, ARRAY_SIZE);
144 declareIntrinsicFunction(arrayTypeName, "set", 2, ARRAY_SET);
145 declareIntrinsicFunction(arrayTypeName, "get", 1, ARRAY_GET);
146 declareIntrinsicFunction(arrayTypeName, "clone", 0, CLONE);
147 declareIterator(arrayTypeName);
148 }
149
150 private void declareIterator(@NotNull String arrayClassName) {
151 declareIntrinsicFunction(arrayClassName, "iterator", 0, ARRAY_ITERATOR);
152 }
153
154 private void declareBinaryOp(@NotNull String methodName, int opcode) {
155 BinaryOp op = new BinaryOp(opcode);
156 for (PrimitiveType type : PrimitiveType.values()) {
157 declareIntrinsicFunction(type.getTypeName().asString(), methodName, 1, op);
158 }
159 }
160
161 private void declareIntrinsicFunction(
162 @NotNull String className,
163 @NotNull String methodName,
164 int arity,
165 @NotNull IntrinsicMethod implementation
166 ) {
167 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME.child(Name.identifier(className)),
168 null, methodName, arity, implementation);
169 }
170
171 @Nullable
172 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
173 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
174 if (intrinsicMethod != null) {
175 return intrinsicMethod;
176 }
177
178 String value = CompileTimeConstantUtils.getIntrinsicAnnotationArgument(descriptor);
179 if (value != null) {
180 return namedMethods.get(value);
181 }
182
183 return null;
184 }
185 }