001 /*
002 * Copyright 2010-2013 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.jet.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.jet.codegen.RangeCodegenUtil;
023 import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
024 import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
025 import org.jetbrains.jet.lang.resolve.CompileTimeConstantUtils;
026 import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
027 import org.jetbrains.jet.lang.resolve.name.FqName;
028 import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
029 import org.jetbrains.jet.lang.resolve.name.Name;
030 import org.jetbrains.jet.lang.resolve.name.SpecialNames;
031 import org.jetbrains.jet.lang.types.expressions.OperatorConventions;
032 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
033 import org.jetbrains.jet.lang.types.lang.PrimitiveType;
034
035 import javax.annotation.PostConstruct;
036 import java.util.HashMap;
037 import java.util.Map;
038
039 import static org.jetbrains.asm4.Opcodes.*;
040 import static org.jetbrains.jet.lang.resolve.DescriptorUtils.*;
041 import static org.jetbrains.jet.lang.types.lang.KotlinBuiltIns.BUILT_INS_PACKAGE_FQ_NAME;
042
043 public class IntrinsicMethods {
044 private static final IntrinsicMethod UNARY_MINUS = new UnaryMinus();
045 private static final IntrinsicMethod UNARY_PLUS = new UnaryPlus();
046 private static final IntrinsicMethod NUMBER_CAST = new NumberCast();
047 private static final IntrinsicMethod INV = new Inv();
048 private static final IntrinsicMethod RANGE_TO = new RangeTo();
049 private static final IntrinsicMethod INC = new Increment(1);
050 private static final IntrinsicMethod DEC = new Increment(-1);
051 private static final IntrinsicMethod HASH_CODE = new HashCode();
052
053 private static final IntrinsicMethod ARRAY_SIZE = new ArraySize();
054 private static final IntrinsicMethod ARRAY_INDICES = new ArrayIndices();
055 private static final Equals EQUALS = new Equals();
056 private static final IdentityEquals IDENTITY_EQUALS = new IdentityEquals();
057 private static final IteratorNext ITERATOR_NEXT = new IteratorNext();
058 private static final ArraySet ARRAY_SET = new ArraySet();
059 private static final ArrayGet ARRAY_GET = new ArrayGet();
060 private static final StringPlus STRING_PLUS = new StringPlus();
061 public static final String KOTLIN_JAVA_CLASS_FUNCTION = "kotlin.javaClass.function";
062 private static final String KOTLIN_JAVA_CLASS_PROPERTY = "kotlin.javaClass.property";
063 public static final String KOTLIN_ARRAYS_ARRAY = "kotlin.arrays.array";
064 public static final String KOTLIN_COPY_TO_ARRAY = "kotlin.collections.copyToArray";
065 private static final String KOTLIN_TO_STRING = "kotlin.toString";
066 private static final String KOTLIN_HASH_CODE = "kotlin.hashCode";
067 private static final EnumValues ENUM_VALUES = new EnumValues();
068 private static final EnumValueOf ENUM_VALUE_OF = new EnumValueOf();
069 private static final ToString TO_STRING = new ToString();
070
071 private final Map<String, IntrinsicMethod> namedMethods = new HashMap<String, IntrinsicMethod>();
072 private static final IntrinsicMethod ARRAY_ITERATOR = new ArrayIterator();
073 private final IntrinsicsMap intrinsicsMap = new IntrinsicsMap();
074
075
076 @PostConstruct
077 public void init() {
078 namedMethods.put(KOTLIN_JAVA_CLASS_FUNCTION, new JavaClassFunction());
079 namedMethods.put(KOTLIN_JAVA_CLASS_PROPERTY, new JavaClassProperty());
080 namedMethods.put(KOTLIN_ARRAYS_ARRAY, new JavaClassArray());
081 namedMethods.put(KOTLIN_COPY_TO_ARRAY, new CopyToArray());
082 namedMethods.put(KOTLIN_HASH_CODE, HASH_CODE);
083 namedMethods.put(KOTLIN_TO_STRING, TO_STRING);
084
085 ImmutableList<Name> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
086 for (Name method : primitiveCastMethods) {
087 declareIntrinsicFunction(Name.identifier("Number"), method, 0, NUMBER_CAST);
088 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
089 declareIntrinsicFunction(type.getTypeName(), method, 0, NUMBER_CAST);
090 }
091 }
092
093 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
094 Name typeName = type.getTypeName();
095 declareIntrinsicFunction(typeName, Name.identifier("plus"), 0, UNARY_PLUS);
096 declareIntrinsicFunction(typeName, Name.identifier("minus"), 0, UNARY_MINUS);
097 declareIntrinsicFunction(typeName, Name.identifier("inv"), 0, INV);
098 declareIntrinsicFunction(typeName, Name.identifier("rangeTo"), 1, RANGE_TO);
099 declareIntrinsicFunction(typeName, Name.identifier("inc"), 0, INC);
100 declareIntrinsicFunction(typeName, Name.identifier("dec"), 0, DEC);
101 declareIntrinsicFunction(typeName, Name.identifier("hashCode"), 0, HASH_CODE);
102 declareIntrinsicFunction(typeName, Name.identifier("equals"), 1, EQUALS);
103 }
104
105 declareBinaryOp(Name.identifier("plus"), IADD);
106 declareBinaryOp(Name.identifier("minus"), ISUB);
107 declareBinaryOp(Name.identifier("times"), IMUL);
108 declareBinaryOp(Name.identifier("div"), IDIV);
109 declareBinaryOp(Name.identifier("mod"), IREM);
110 declareBinaryOp(Name.identifier("shl"), ISHL);
111 declareBinaryOp(Name.identifier("shr"), ISHR);
112 declareBinaryOp(Name.identifier("ushr"), IUSHR);
113 declareBinaryOp(Name.identifier("and"), IAND);
114 declareBinaryOp(Name.identifier("or"), IOR);
115 declareBinaryOp(Name.identifier("xor"), IXOR);
116
117 declareIntrinsicFunction(Name.identifier("Boolean"), Name.identifier("not"), 0, new Not());
118 declareIntrinsicFunction(Name.identifier("Boolean"), Name.identifier("equals"), 1, EQUALS);
119
120 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("plus"), 1, new Concat());
121 declareIntrinsicFunction(Name.identifier("CharSequence"), Name.identifier("get"), 1, new StringGetChar());
122 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("get"), 1, new StringGetChar());
123
124 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("toString"), 0, TO_STRING);
125 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("equals"), 1, EQUALS);
126 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("identityEquals"), 1, IDENTITY_EQUALS);
127 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("plus"), 1, STRING_PLUS);
128 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("arrayOfNulls"), 1, new NewArray());
129 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("synchronized"), 2, new StupidSync());
130 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME, Name.identifier("iterator"), 0, new IteratorIterator());
131
132 for (PrimitiveType type : PrimitiveType.values()) {
133 declareIntrinsicFunction(type.getTypeName(), Name.identifier("compareTo"), 1, new CompareTo());
134 declareIntrinsicFunction(Name.identifier(type.getTypeName() + "Iterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
135 }
136
137 declareIntrinsicProperty(Name.identifier("CharSequence"), Name.identifier("length"), new StringLength());
138 declareIntrinsicProperty(Name.identifier("String"), Name.identifier("length"), new StringLength());
139
140 registerStaticField(getFqNameSafe(KotlinBuiltIns.getInstance().getUnit()), Name.identifier("VALUE"));
141
142 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
143 FqName rangeClassFqName = RangeCodegenUtil.getRangeClassFqName(type);
144 FqName progressionClassFqName = RangeCodegenUtil.getProgressionClassFqName(type);
145
146 registerStaticField(rangeClassFqName, Name.identifier("EMPTY"));
147
148 registerRangeOrProgressionProperty(rangeClassFqName, Name.identifier("start"));
149 registerRangeOrProgressionProperty(rangeClassFqName, Name.identifier("end"));
150
151 registerRangeOrProgressionProperty(progressionClassFqName, Name.identifier("start"));
152 registerRangeOrProgressionProperty(progressionClassFqName, Name.identifier("end"));
153 registerRangeOrProgressionProperty(progressionClassFqName, Name.identifier("increment"));
154 }
155
156 declareArrayMethods();
157 }
158
159 private void registerStaticField(@NotNull FqName classFqName, @NotNull Name propertyName) {
160 FqNameUnsafe classObjectFqName = classFqName.toUnsafe().child(SpecialNames.getClassObjectName(classFqName.shortName()));
161 intrinsicsMap.registerIntrinsic(classObjectFqName, propertyName, -1, new StaticField(classFqName, propertyName));
162 }
163
164 private void registerRangeOrProgressionProperty(@NotNull FqName ownerClass, @NotNull Name propertyName) {
165 intrinsicsMap.registerIntrinsic(ownerClass, propertyName, -1, new PropertyOfProgressionOrRange(ownerClass, propertyName));
166 }
167
168 private void declareArrayMethods() {
169
170 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
171 declareArrayMethodsForPrimitive(jvmPrimitiveType);
172 }
173
174 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("size"), ARRAY_SIZE);
175 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("indices"), ARRAY_INDICES);
176 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("set"), 2, ARRAY_SET);
177 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("get"), 1, ARRAY_GET);
178 declareIterator(Name.identifier("Array"));
179 }
180
181 private void declareArrayMethodsForPrimitive(JvmPrimitiveType jvmPrimitiveType) {
182 PrimitiveType primitiveType = jvmPrimitiveType.getPrimitiveType();
183 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("size"), ARRAY_SIZE);
184 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("indices"), ARRAY_INDICES);
185 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("set"), 2, ARRAY_SET);
186 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("get"), 1, ARRAY_GET);
187 declareIterator(primitiveType.getArrayTypeName());
188 }
189
190 private void declareIterator(@NotNull Name arrayClassName) {
191 declareIntrinsicFunction(arrayClassName, Name.identifier("iterator"), 0, ARRAY_ITERATOR);
192 }
193
194 private void declareBinaryOp(Name methodName, int opcode) {
195 BinaryOp op = new BinaryOp(opcode);
196 for (PrimitiveType type : PrimitiveType.values()) {
197 declareIntrinsicFunction(type.getTypeName(), methodName, 1, op);
198 }
199 }
200
201 private void declareIntrinsicProperty(Name className, Name methodName, IntrinsicMethod implementation) {
202 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME.child(className), methodName, -1, implementation);
203 }
204
205 private void declareIntrinsicFunction(Name className, Name functionName, int arity, IntrinsicMethod implementation) {
206 intrinsicsMap.registerIntrinsic(BUILT_INS_PACKAGE_FQ_NAME.child(className), functionName, arity, implementation);
207 }
208
209 @Nullable
210 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
211 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
212 if (intrinsicMethod != null) {
213 return intrinsicMethod;
214 }
215
216 if (descriptor instanceof SimpleFunctionDescriptor) {
217 SimpleFunctionDescriptor functionDescriptor = (SimpleFunctionDescriptor) descriptor;
218
219 if (isEnumClassObject(functionDescriptor.getContainingDeclaration())) {
220 if (isEnumValuesMethod(functionDescriptor)) {
221 return ENUM_VALUES;
222 }
223
224 if (isEnumValueOfMethod(functionDescriptor)) {
225 return ENUM_VALUE_OF;
226 }
227 }
228 }
229
230 String value = CompileTimeConstantUtils.getIntrinsicAnnotationArgument(descriptor);
231 if (value == null) return null;
232
233 return namedMethods.get(value);
234 }
235 }