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.ClassifierDescriptor;
025 import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
026 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
027 import org.jetbrains.jet.lang.resolve.java.JvmPrimitiveType;
028 import org.jetbrains.jet.lang.resolve.name.FqName;
029 import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
030 import org.jetbrains.jet.lang.resolve.name.Name;
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.List;
038 import java.util.Map;
039
040 import static org.jetbrains.asm4.Opcodes.*;
041 import static org.jetbrains.jet.lang.resolve.DescriptorUtils.*;
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
119 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("plus"), 1, new Concat());
120 declareIntrinsicFunction(Name.identifier("CharSequence"), Name.identifier("get"), 1, new StringGetChar());
121 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("get"), 1, new StringGetChar());
122
123 FqName builtInsPackageFqName = KotlinBuiltIns.getInstance().getBuiltInsPackageFqName();
124 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("name"), 0, new EnumName());
125 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("ordinal"), 0, new EnumOrdinal());
126
127 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("toString"), 0, TO_STRING);
128 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("equals"), 1, EQUALS);
129 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("identityEquals"), 1, IDENTITY_EQUALS);
130 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("plus"), 1, STRING_PLUS);
131 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("arrayOfNulls"), 1, new NewArray());
132 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("synchronized"), 2, new StupidSync());
133 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("iterator"), 0, new IteratorIterator());
134
135
136 declareIntrinsicFunction(Name.identifier("ByteIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
137 declareIntrinsicFunction(Name.identifier("ShortIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
138 declareIntrinsicFunction(Name.identifier("IntIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
139 declareIntrinsicFunction(Name.identifier("LongIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
140 declareIntrinsicFunction(Name.identifier("CharIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
141 declareIntrinsicFunction(Name.identifier("BooleanIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
142 declareIntrinsicFunction(Name.identifier("FloatIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
143 declareIntrinsicFunction(Name.identifier("DoubleIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
144
145 for (PrimitiveType type : PrimitiveType.values()) {
146 declareIntrinsicFunction(type.getTypeName(), Name.identifier("compareTo"), 1, new CompareTo());
147 }
148 // declareIntrinsicFunction("Any", "equals", 1, new Equals());
149 //
150 declareIntrinsicProperty(Name.identifier("CharSequence"), Name.identifier("length"), new StringLength());
151 declareIntrinsicProperty(Name.identifier("String"), Name.identifier("length"), new StringLength());
152
153 registerStaticField(getFQName(KotlinBuiltIns.getInstance().getUnit()).toSafe(), Name.identifier("VALUE"));
154
155 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
156 FqName rangeClassFqName = RangeCodegenUtil.getRangeClassFqName(type);
157 FqName progressionClassFqName = RangeCodegenUtil.getProgressionClassFqName(type);
158
159 registerStaticField(rangeClassFqName, Name.identifier("EMPTY"));
160
161 registerRangeOrProgressionProperty(rangeClassFqName, Name.identifier("start"));
162 registerRangeOrProgressionProperty(rangeClassFqName, Name.identifier("end"));
163
164 registerRangeOrProgressionProperty(progressionClassFqName, Name.identifier("start"));
165 registerRangeOrProgressionProperty(progressionClassFqName, Name.identifier("end"));
166 registerRangeOrProgressionProperty(progressionClassFqName, Name.identifier("increment"));
167 }
168
169 declareArrayMethods();
170 }
171
172 private void registerStaticField(@NotNull FqName classFqName, @NotNull Name propertyName) {
173 FqNameUnsafe classObjectFqName = classFqName.toUnsafe().child(getClassObjectName(classFqName.shortName()));
174 intrinsicsMap.registerIntrinsic(classObjectFqName, propertyName, -1, new StaticField(classFqName, propertyName));
175 }
176
177 private void registerRangeOrProgressionProperty(@NotNull FqName ownerClass, @NotNull Name propertyName) {
178 intrinsicsMap.registerIntrinsic(ownerClass, propertyName, -1, new PropertyOfProgressionOrRange(ownerClass, propertyName));
179 }
180
181 private void declareArrayMethods() {
182
183 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
184 declareArrayMethodsForPrimitive(jvmPrimitiveType);
185 }
186
187 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("size"), ARRAY_SIZE);
188 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("indices"), ARRAY_INDICES);
189 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("set"), 2, ARRAY_SET);
190 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("get"), 1, ARRAY_GET);
191 declareIterator(Name.identifier("Array"));
192 }
193
194 private void declareArrayMethodsForPrimitive(JvmPrimitiveType jvmPrimitiveType) {
195 PrimitiveType primitiveType = jvmPrimitiveType.getPrimitiveType();
196 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("size"), ARRAY_SIZE);
197 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("indices"), ARRAY_INDICES);
198 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("set"), 2, ARRAY_SET);
199 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("get"), 1, ARRAY_GET);
200 declareIterator(primitiveType.getArrayTypeName());
201 }
202
203 private void declareIterator(@NotNull Name arrayClassName) {
204 declareIntrinsicFunction(arrayClassName, Name.identifier("iterator"), 0, ARRAY_ITERATOR);
205 }
206
207 private void declareBinaryOp(Name methodName, int opcode) {
208 BinaryOp op = new BinaryOp(opcode);
209 for (PrimitiveType type : PrimitiveType.values()) {
210 declareIntrinsicFunction(type.getTypeName(), methodName, 1, op);
211 }
212 }
213
214 private void declareIntrinsicProperty(Name className, Name methodName, IntrinsicMethod implementation) {
215 intrinsicsMap.registerIntrinsic(KotlinBuiltIns.getInstance().getBuiltInsPackageFqName().child(className), methodName, -1, implementation);
216 }
217
218 private void declareIntrinsicFunction(Name className, Name functionName, int arity, IntrinsicMethod implementation) {
219 intrinsicsMap.registerIntrinsic(KotlinBuiltIns.getInstance().getBuiltInsPackageFqName().child(className), functionName, arity, implementation);
220 }
221
222 @Nullable
223 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
224 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
225 if (intrinsicMethod != null) {
226 return intrinsicMethod;
227 }
228
229 if (descriptor instanceof SimpleFunctionDescriptor) {
230 SimpleFunctionDescriptor functionDescriptor = (SimpleFunctionDescriptor) descriptor;
231
232 if (isEnumClassObject(functionDescriptor.getContainingDeclaration())) {
233 if (isEnumValuesMethod(functionDescriptor)) {
234 return ENUM_VALUES;
235 }
236
237 if (isEnumValueOfMethod(functionDescriptor)) {
238 return ENUM_VALUE_OF;
239 }
240 }
241 }
242
243 List<AnnotationDescriptor> annotations = descriptor.getAnnotations();
244 if (annotations != null) {
245 for (AnnotationDescriptor annotation : annotations) {
246 ClassifierDescriptor classifierDescriptor = annotation.getType().getConstructor().getDeclarationDescriptor();
247 assert classifierDescriptor != null;
248 if ("Intrinsic".equals(classifierDescriptor.getName().asString())) {
249 String value = (String) annotation.getAllValueArguments().values().iterator().next().getValue();
250 intrinsicMethod = namedMethods.get(value);
251 if (intrinsicMethod != null) {
252 break;
253 }
254 }
255 }
256 }
257 return intrinsicMethod;
258 }
259 }