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.lang.descriptors.CallableMemberDescriptor;
023 import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
024 import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
025 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
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.types.expressions.OperatorConventions;
031 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
032 import org.jetbrains.jet.lang.types.lang.PrimitiveType;
033
034 import javax.annotation.PostConstruct;
035 import java.util.HashMap;
036 import java.util.List;
037 import java.util.Map;
038
039 import static org.jetbrains.asm4.Opcodes.*;
040 import static org.jetbrains.jet.lang.resolve.DescriptorUtils.*;
041
042 public class IntrinsicMethods {
043 private static final IntrinsicMethod UNARY_MINUS = new UnaryMinus();
044 private static final IntrinsicMethod UNARY_PLUS = new UnaryPlus();
045 private static final IntrinsicMethod NUMBER_CAST = new NumberCast();
046 private static final IntrinsicMethod INV = new Inv();
047 private static final IntrinsicMethod RANGE_TO = new RangeTo();
048 private static final IntrinsicMethod INC = new Increment(1);
049 private static final IntrinsicMethod DEC = new Increment(-1);
050 private static final IntrinsicMethod HASH_CODE = new HashCode();
051
052 private static final IntrinsicMethod ARRAY_SIZE = new ArraySize();
053 private static final IntrinsicMethod ARRAY_INDICES = new ArrayIndices();
054 private static final Equals EQUALS = new Equals();
055 private static final IdentityEquals IDENTITY_EQUALS = new IdentityEquals();
056 private static final IteratorNext ITERATOR_NEXT = new IteratorNext();
057 private static final ArraySet ARRAY_SET = new ArraySet();
058 private static final ArrayGet ARRAY_GET = new ArrayGet();
059 private static final StringPlus STRING_PLUS = new StringPlus();
060 public static final String KOTLIN_JAVA_CLASS_FUNCTION = "kotlin.javaClass.function";
061 public static final String KOTLIN_ARRAYS_ARRAY = "kotlin.arrays.array";
062 private static final String KOTLIN_JAVA_CLASS_PROPERTY = "kotlin.javaClass.property";
063 private static final String KOTLIN_TO_STRING = "kotlin.toString";
064 private static final String KOTLIN_HASH_CODE = "kotlin.hashCode";
065 private static final EnumValues ENUM_VALUES = new EnumValues();
066 private static final EnumValueOf ENUM_VALUE_OF = new EnumValueOf();
067 private static final ToString TO_STRING = new ToString();
068
069 private final Map<String, IntrinsicMethod> namedMethods = new HashMap<String, IntrinsicMethod>();
070 private static final IntrinsicMethod ARRAY_ITERATOR = new ArrayIterator();
071 private final IntrinsicsMap intrinsicsMap = new IntrinsicsMap();
072
073
074 @PostConstruct
075 public void init() {
076 namedMethods.put(KOTLIN_JAVA_CLASS_FUNCTION, new JavaClassFunction());
077 namedMethods.put(KOTLIN_JAVA_CLASS_PROPERTY, new JavaClassProperty());
078 namedMethods.put(KOTLIN_ARRAYS_ARRAY, new JavaClassArray());
079 namedMethods.put(KOTLIN_HASH_CODE, HASH_CODE);
080 namedMethods.put(KOTLIN_TO_STRING, TO_STRING);
081
082 ImmutableList<Name> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
083 for (Name method : primitiveCastMethods) {
084 declareIntrinsicFunction(Name.identifier("Number"), method, 0, NUMBER_CAST);
085 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
086 declareIntrinsicFunction(type.getTypeName(), method, 0, NUMBER_CAST);
087 }
088 }
089
090 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
091 Name typeName = type.getTypeName();
092 declareIntrinsicFunction(typeName, Name.identifier("plus"), 0, UNARY_PLUS);
093 declareIntrinsicFunction(typeName, Name.identifier("minus"), 0, UNARY_MINUS);
094 declareIntrinsicFunction(typeName, Name.identifier("inv"), 0, INV);
095 declareIntrinsicFunction(typeName, Name.identifier("rangeTo"), 1, RANGE_TO);
096 declareIntrinsicFunction(typeName, Name.identifier("inc"), 0, INC);
097 declareIntrinsicFunction(typeName, Name.identifier("dec"), 0, DEC);
098 declareIntrinsicFunction(typeName, Name.identifier("hashCode"), 0, HASH_CODE);
099 declareIntrinsicFunction(typeName, Name.identifier("equals"), 1, EQUALS);
100 }
101
102 declareBinaryOp(Name.identifier("plus"), IADD);
103 declareBinaryOp(Name.identifier("minus"), ISUB);
104 declareBinaryOp(Name.identifier("times"), IMUL);
105 declareBinaryOp(Name.identifier("div"), IDIV);
106 declareBinaryOp(Name.identifier("mod"), IREM);
107 declareBinaryOp(Name.identifier("shl"), ISHL);
108 declareBinaryOp(Name.identifier("shr"), ISHR);
109 declareBinaryOp(Name.identifier("ushr"), IUSHR);
110 declareBinaryOp(Name.identifier("and"), IAND);
111 declareBinaryOp(Name.identifier("or"), IOR);
112 declareBinaryOp(Name.identifier("xor"), IXOR);
113
114 declareIntrinsicFunction(Name.identifier("Boolean"), Name.identifier("not"), 0, new Not());
115
116 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("plus"), 1, new Concat());
117 declareIntrinsicFunction(Name.identifier("CharSequence"), Name.identifier("get"), 1, new StringGetChar());
118 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("get"), 1, new StringGetChar());
119
120 FqName builtInsPackageFqName = KotlinBuiltIns.getInstance().getBuiltInsPackageFqName();
121 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("name"), 0, new EnumName());
122 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("ordinal"), 0, new EnumOrdinal());
123
124 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("toString"), 0, TO_STRING);
125 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("equals"), 1, EQUALS);
126 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("identityEquals"), 1, IDENTITY_EQUALS);
127 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("plus"), 1, STRING_PLUS);
128 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("arrayOfNulls"), 1, new NewArray());
129 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("synchronized"), 2, new StupidSync());
130 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("iterator"), 0, new IteratorIterator());
131
132
133 declareIntrinsicFunction(Name.identifier("ByteIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
134 declareIntrinsicFunction(Name.identifier("ShortIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
135 declareIntrinsicFunction(Name.identifier("IntIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
136 declareIntrinsicFunction(Name.identifier("LongIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
137 declareIntrinsicFunction(Name.identifier("CharIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
138 declareIntrinsicFunction(Name.identifier("BooleanIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
139 declareIntrinsicFunction(Name.identifier("FloatIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
140 declareIntrinsicFunction(Name.identifier("DoubleIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
141
142 for (PrimitiveType type : PrimitiveType.values()) {
143 declareIntrinsicFunction(type.getTypeName(), Name.identifier("compareTo"), 1, new CompareTo());
144 }
145 // declareIntrinsicFunction("Any", "equals", 1, new Equals());
146 //
147 declareIntrinsicProperty(Name.identifier("CharSequence"), Name.identifier("length"), new StringLength());
148 declareIntrinsicProperty(Name.identifier("String"), Name.identifier("length"), new StringLength());
149
150 registerStaticField(getFQName(KotlinBuiltIns.getInstance().getUnit()).toSafe(), Name.identifier("VALUE"));
151
152 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
153 registerStaticField(type.getRangeClassName(), Name.identifier("EMPTY"));
154 }
155
156 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
157 registerRangeOrProgressionProperty(type.getRangeClassName(), Name.identifier("start"));
158 registerRangeOrProgressionProperty(type.getRangeClassName(), Name.identifier("end"));
159
160 registerRangeOrProgressionProperty(type.getProgressionClassName(), Name.identifier("start"));
161 registerRangeOrProgressionProperty(type.getProgressionClassName(), Name.identifier("end"));
162 registerRangeOrProgressionProperty(type.getProgressionClassName(), Name.identifier("increment"));
163 }
164
165 declareArrayMethods();
166 }
167
168 private void registerStaticField(@NotNull FqName classFqName, @NotNull Name propertyName) {
169 FqNameUnsafe classObjectFqName = classFqName.toUnsafe().child(getClassObjectName(classFqName.shortName()));
170 intrinsicsMap.registerIntrinsic(classObjectFqName, propertyName, -1, new StaticField(classFqName, propertyName));
171 }
172
173 private void registerRangeOrProgressionProperty(@NotNull FqName ownerClass, @NotNull Name propertyName) {
174 intrinsicsMap.registerIntrinsic(ownerClass, propertyName, -1, new PropertyOfProgressionOrRange(ownerClass, propertyName));
175 }
176
177 private void declareArrayMethods() {
178
179 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
180 declareArrayMethodsForPrimitive(jvmPrimitiveType);
181 }
182
183 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("size"), ARRAY_SIZE);
184 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("indices"), ARRAY_INDICES);
185 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("set"), 2, ARRAY_SET);
186 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("get"), 1, ARRAY_GET);
187 declareIterator(Name.identifier("Array"));
188 }
189
190 private void declareArrayMethodsForPrimitive(JvmPrimitiveType jvmPrimitiveType) {
191 PrimitiveType primitiveType = jvmPrimitiveType.getPrimitiveType();
192 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("size"), ARRAY_SIZE);
193 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("indices"), ARRAY_INDICES);
194 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("set"), 2, ARRAY_SET);
195 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("get"), 1, ARRAY_GET);
196 declareIterator(primitiveType.getArrayTypeName());
197 }
198
199 private void declareIterator(@NotNull Name arrayClassName) {
200 declareIntrinsicFunction(arrayClassName, Name.identifier("iterator"), 0, ARRAY_ITERATOR);
201 }
202
203 private void declareBinaryOp(Name methodName, int opcode) {
204 BinaryOp op = new BinaryOp(opcode);
205 for (PrimitiveType type : PrimitiveType.values()) {
206 declareIntrinsicFunction(type.getTypeName(), methodName, 1, op);
207 }
208 }
209
210 private void declareIntrinsicProperty(Name className, Name methodName, IntrinsicMethod implementation) {
211 intrinsicsMap.registerIntrinsic(KotlinBuiltIns.getInstance().getBuiltInsPackageFqName().child(className), methodName, -1, implementation);
212 }
213
214 private void declareIntrinsicFunction(Name className, Name functionName, int arity, IntrinsicMethod implementation) {
215 intrinsicsMap.registerIntrinsic(KotlinBuiltIns.getInstance().getBuiltInsPackageFqName().child(className), functionName, arity, implementation);
216 }
217
218 @Nullable
219 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
220 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
221 if (intrinsicMethod != null) {
222 return intrinsicMethod;
223 }
224
225 if (descriptor instanceof SimpleFunctionDescriptor) {
226 SimpleFunctionDescriptor functionDescriptor = (SimpleFunctionDescriptor) descriptor;
227
228 if (isEnumClassObject(functionDescriptor.getContainingDeclaration())) {
229 if (isEnumValuesMethod(functionDescriptor)) {
230 return ENUM_VALUES;
231 }
232
233 if (isEnumValueOfMethod(functionDescriptor)) {
234 return ENUM_VALUE_OF;
235 }
236 }
237 }
238
239 List<AnnotationDescriptor> annotations = descriptor.getAnnotations();
240 if (annotations != null) {
241 for (AnnotationDescriptor annotation : annotations) {
242 ClassifierDescriptor classifierDescriptor = annotation.getType().getConstructor().getDeclarationDescriptor();
243 assert classifierDescriptor != null;
244 if ("Intrinsic".equals(classifierDescriptor.getName().asString())) {
245 String value = (String) annotation.getAllValueArguments().values().iterator().next().getValue();
246 intrinsicMethod = namedMethods.get(value);
247 if (intrinsicMethod != null) {
248 break;
249 }
250 }
251 }
252 }
253 return intrinsicMethod;
254 }
255 }