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.arrays.array", new JavaClassArray());
066 namedMethods.put("kotlin.jvm.internal.unsafe.monitorEnter", MonitorInstruction.MONITOR_ENTER);
067 namedMethods.put("kotlin.jvm.internal.unsafe.monitorExit", MonitorInstruction.MONITOR_EXIT);
068
069 ImmutableList<Name> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
070 for (Name method : primitiveCastMethods) {
071 String methodName = method.asString();
072 declareIntrinsicFunction("Number", methodName, 0, NUMBER_CAST);
073 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
074 declareIntrinsicFunction(type.getTypeName().asString(), methodName, 0, NUMBER_CAST);
075 }
076 }
077
078 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
079 String typeName = type.getTypeName().asString();
080 declareIntrinsicFunction(typeName, "plus", 0, UNARY_PLUS);
081 declareIntrinsicFunction(typeName, "minus", 0, UNARY_MINUS);
082 declareIntrinsicFunction(typeName, "inv", 0, INV);
083 declareIntrinsicFunction(typeName, "rangeTo", 1, RANGE_TO);
084 declareIntrinsicFunction(typeName, "inc", 0, INC);
085 declareIntrinsicFunction(typeName, "dec", 0, DEC);
086 }
087
088 for (PrimitiveType type : PrimitiveType.values()) {
089 String typeName = type.getTypeName().asString();
090 declareIntrinsicFunction(typeName, "equals", 1, EQUALS);
091 declareIntrinsicFunction(typeName, "hashCode", 0, HASH_CODE);
092 declareIntrinsicFunction(typeName, "toString", 0, TO_STRING);
093 }
094
095 declareBinaryOp("plus", IADD);
096 declareBinaryOp("minus", ISUB);
097 declareBinaryOp("times", IMUL);
098 declareBinaryOp("div", IDIV);
099 declareBinaryOp("mod", IREM);
100 declareBinaryOp("shl", ISHL);
101 declareBinaryOp("shr", ISHR);
102 declareBinaryOp("ushr", IUSHR);
103 declareBinaryOp("and", IAND);
104 declareBinaryOp("or", IOR);
105 declareBinaryOp("xor", IXOR);
106
107 declareIntrinsicFunction("Boolean", "not", 0, new Not());
108
109 declareIntrinsicFunction("String", "plus", 1, new Concat());
110 declareIntrinsicFunction("String", "get", 1, new StringGetChar());
111
112 declareIntrinsicFunction("Cloneable", "clone", 0, CLONE);
113
114 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.any, "toString", 0, TO_STRING);
115 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.any, "identityEquals", 1, IDENTITY_EQUALS);
116 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.string, "plus", 1, STRING_PLUS);
117 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, null, "arrayOfNulls", 1, new NewArray());
118
119 for (PrimitiveType type : PrimitiveType.values()) {
120 String typeName = type.getTypeName().asString();
121 declareIntrinsicFunction(typeName, "compareTo", 1, new CompareTo());
122 declareIntrinsicFunction(typeName + "Iterator", "next", 0, ITERATOR_NEXT);
123 }
124
125 declareArrayMethods();
126 }
127
128 private void declareArrayMethods() {
129 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
130 declareArrayMethodsForPrimitive(jvmPrimitiveType);
131 }
132
133 declareIntrinsicFunction("Array", "size", 0, ARRAY_SIZE);
134 declareIntrinsicFunction("Array", "set", 2, ARRAY_SET);
135 declareIntrinsicFunction("Array", "get", 1, ARRAY_GET);
136 declareIntrinsicFunction("Array", "clone", 0, CLONE);
137 declareIterator("Array");
138 }
139
140 private void declareArrayMethodsForPrimitive(@NotNull JvmPrimitiveType jvmPrimitiveType) {
141 String arrayTypeName = jvmPrimitiveType.getPrimitiveType().getArrayTypeName().asString();
142 declareIntrinsicFunction(arrayTypeName, "size", 0, ARRAY_SIZE);
143 declareIntrinsicFunction(arrayTypeName, "set", 2, ARRAY_SET);
144 declareIntrinsicFunction(arrayTypeName, "get", 1, ARRAY_GET);
145 declareIntrinsicFunction(arrayTypeName, "clone", 0, CLONE);
146 declareIterator(arrayTypeName);
147 }
148
149 private void declareIterator(@NotNull String arrayClassName) {
150 declareIntrinsicFunction(arrayClassName, "iterator", 0, ARRAY_ITERATOR);
151 }
152
153 private void declareBinaryOp(@NotNull String methodName, int opcode) {
154 BinaryOp op = new BinaryOp(opcode);
155 for (PrimitiveType type : PrimitiveType.values()) {
156 declareIntrinsicFunction(type.getTypeName().asString(), methodName, 1, op);
157 }
158 }
159
160 private void declareIntrinsicFunction(
161 @NotNull String className,
162 @NotNull String methodName,
163 int arity,
164 @NotNull IntrinsicMethod implementation
165 ) {
166 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME.child(Name.identifier(className)),
167 null, methodName, arity, implementation);
168 }
169
170 @Nullable
171 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
172 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
173 if (intrinsicMethod != null) {
174 return intrinsicMethod;
175 }
176
177 String value = CompileTimeConstantUtils.getIntrinsicAnnotationArgument(descriptor);
178 if (value != null) {
179 return namedMethods.get(value);
180 }
181
182 return null;
183 }
184 }