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 namedMethods.put("kotlin.jvm.isArrayOf", new IsArrayOf());
070
071 ImmutableList<Name> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
072 for (Name method : primitiveCastMethods) {
073 String methodName = method.asString();
074 declareIntrinsicFunction("Number", methodName, 0, NUMBER_CAST);
075 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
076 declareIntrinsicFunction(type.getTypeName().asString(), methodName, 0, NUMBER_CAST);
077 }
078 }
079
080 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
081 String typeName = type.getTypeName().asString();
082 declareIntrinsicFunction(typeName, "plus", 0, UNARY_PLUS);
083 declareIntrinsicFunction(typeName, "unaryPlus", 0, UNARY_PLUS);
084 declareIntrinsicFunction(typeName, "minus", 0, UNARY_MINUS);
085 declareIntrinsicFunction(typeName, "unaryMinus", 0, UNARY_MINUS);
086 declareIntrinsicFunction(typeName, "inv", 0, INV);
087 declareIntrinsicFunction(typeName, "rangeTo", 1, RANGE_TO);
088 declareIntrinsicFunction(typeName, "inc", 0, INC);
089 declareIntrinsicFunction(typeName, "dec", 0, DEC);
090 }
091
092 for (PrimitiveType type : PrimitiveType.values()) {
093 String typeName = type.getTypeName().asString();
094 declareIntrinsicFunction(typeName, "equals", 1, EQUALS);
095 declareIntrinsicFunction(typeName, "hashCode", 0, HASH_CODE);
096 declareIntrinsicFunction(typeName, "toString", 0, TO_STRING);
097 }
098
099 declareBinaryOp("plus", IADD);
100 declareBinaryOp("minus", ISUB);
101 declareBinaryOp("times", IMUL);
102 declareBinaryOp("div", IDIV);
103 declareBinaryOp("mod", IREM);
104 declareBinaryOp("shl", ISHL);
105 declareBinaryOp("shr", ISHR);
106 declareBinaryOp("ushr", IUSHR);
107 declareBinaryOp("and", IAND);
108 declareBinaryOp("or", IOR);
109 declareBinaryOp("xor", IXOR);
110
111 declareIntrinsicFunction("Boolean", "not", 0, new Not());
112
113 declareIntrinsicFunction("String", "plus", 1, new Concat());
114 declareIntrinsicFunction("String", "get", 1, new StringGetChar());
115
116 declareIntrinsicFunction("Cloneable", "clone", 0, CLONE);
117
118 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.any, "toString", 0, TO_STRING);
119 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.any, "identityEquals", 1, IDENTITY_EQUALS);
120 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, KotlinBuiltIns.FQ_NAMES.string, "plus", 1, STRING_PLUS);
121 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, null, "arrayOfNulls", 1, new NewArray());
122
123 for (PrimitiveType type : PrimitiveType.values()) {
124 String typeName = type.getTypeName().asString();
125 declareIntrinsicFunction(typeName, "compareTo", 1, new CompareTo());
126 declareIntrinsicFunction(typeName + "Iterator", "next", 0, ITERATOR_NEXT);
127 }
128
129 declareArrayMethods();
130 }
131
132 private void declareArrayMethods() {
133 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
134 declareArrayMethodsForPrimitive(jvmPrimitiveType);
135 }
136
137 declareIntrinsicFunction("Array", "size", -1, ARRAY_SIZE);
138 declareIntrinsicFunction("Array", "set", 2, ARRAY_SET);
139 declareIntrinsicFunction("Array", "get", 1, ARRAY_GET);
140 declareIntrinsicFunction("Array", "clone", 0, CLONE);
141 declareIterator("Array");
142 }
143
144 private void declareArrayMethodsForPrimitive(@NotNull JvmPrimitiveType jvmPrimitiveType) {
145 String arrayTypeName = jvmPrimitiveType.getPrimitiveType().getArrayTypeName().asString();
146 declareIntrinsicFunction(arrayTypeName, "size", -1, ARRAY_SIZE);
147 declareIntrinsicFunction(arrayTypeName, "set", 2, ARRAY_SET);
148 declareIntrinsicFunction(arrayTypeName, "get", 1, ARRAY_GET);
149 declareIntrinsicFunction(arrayTypeName, "clone", 0, CLONE);
150 declareIterator(arrayTypeName);
151 }
152
153 private void declareIterator(@NotNull String arrayClassName) {
154 declareIntrinsicFunction(arrayClassName, "iterator", 0, ARRAY_ITERATOR);
155 }
156
157 private void declareBinaryOp(@NotNull String methodName, int opcode) {
158 BinaryOp op = new BinaryOp(opcode);
159 for (PrimitiveType type : PrimitiveType.values()) {
160 declareIntrinsicFunction(type.getTypeName().asString(), methodName, 1, op);
161 }
162 }
163
164 private void declareIntrinsicFunction(
165 @NotNull String className,
166 @NotNull String methodName,
167 int arity,
168 @NotNull IntrinsicMethod implementation
169 ) {
170 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME.child(Name.identifier(className)),
171 null, methodName, arity, implementation);
172 }
173
174 @Nullable
175 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
176 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
177 if (intrinsicMethod != null) {
178 return intrinsicMethod;
179 }
180
181 String value = CompileTimeConstantUtils.getIntrinsicAnnotationArgument(descriptor);
182 if (value != null) {
183 return namedMethods.get(value);
184 }
185
186 return null;
187 }
188 }