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 private static final String KOTLIN_JAVA_CLASS_PROPERTY = "kotlin.javaClass.property";
062 public static final String KOTLIN_ARRAYS_ARRAY = "kotlin.arrays.array";
063 public static final String KOTLIN_COPY_TO_ARRAY = "kotlin.collections.copyToArray";
064 private static final String KOTLIN_TO_STRING = "kotlin.toString";
065 private static final String KOTLIN_HASH_CODE = "kotlin.hashCode";
066 private static final EnumValues ENUM_VALUES = new EnumValues();
067 private static final EnumValueOf ENUM_VALUE_OF = new EnumValueOf();
068 private static final ToString TO_STRING = new ToString();
069
070 private final Map<String, IntrinsicMethod> namedMethods = new HashMap<String, IntrinsicMethod>();
071 private static final IntrinsicMethod ARRAY_ITERATOR = new ArrayIterator();
072 private final IntrinsicsMap intrinsicsMap = new IntrinsicsMap();
073
074
075 @PostConstruct
076 public void init() {
077 namedMethods.put(KOTLIN_JAVA_CLASS_FUNCTION, new JavaClassFunction());
078 namedMethods.put(KOTLIN_JAVA_CLASS_PROPERTY, new JavaClassProperty());
079 namedMethods.put(KOTLIN_ARRAYS_ARRAY, new JavaClassArray());
080 namedMethods.put(KOTLIN_COPY_TO_ARRAY, new CopyToArray());
081 namedMethods.put(KOTLIN_HASH_CODE, HASH_CODE);
082 namedMethods.put(KOTLIN_TO_STRING, TO_STRING);
083
084 ImmutableList<Name> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
085 for (Name method : primitiveCastMethods) {
086 declareIntrinsicFunction(Name.identifier("Number"), method, 0, NUMBER_CAST);
087 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
088 declareIntrinsicFunction(type.getTypeName(), method, 0, NUMBER_CAST);
089 }
090 }
091
092 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
093 Name typeName = type.getTypeName();
094 declareIntrinsicFunction(typeName, Name.identifier("plus"), 0, UNARY_PLUS);
095 declareIntrinsicFunction(typeName, Name.identifier("minus"), 0, UNARY_MINUS);
096 declareIntrinsicFunction(typeName, Name.identifier("inv"), 0, INV);
097 declareIntrinsicFunction(typeName, Name.identifier("rangeTo"), 1, RANGE_TO);
098 declareIntrinsicFunction(typeName, Name.identifier("inc"), 0, INC);
099 declareIntrinsicFunction(typeName, Name.identifier("dec"), 0, DEC);
100 declareIntrinsicFunction(typeName, Name.identifier("hashCode"), 0, HASH_CODE);
101 declareIntrinsicFunction(typeName, Name.identifier("equals"), 1, EQUALS);
102 }
103
104 declareBinaryOp(Name.identifier("plus"), IADD);
105 declareBinaryOp(Name.identifier("minus"), ISUB);
106 declareBinaryOp(Name.identifier("times"), IMUL);
107 declareBinaryOp(Name.identifier("div"), IDIV);
108 declareBinaryOp(Name.identifier("mod"), IREM);
109 declareBinaryOp(Name.identifier("shl"), ISHL);
110 declareBinaryOp(Name.identifier("shr"), ISHR);
111 declareBinaryOp(Name.identifier("ushr"), IUSHR);
112 declareBinaryOp(Name.identifier("and"), IAND);
113 declareBinaryOp(Name.identifier("or"), IOR);
114 declareBinaryOp(Name.identifier("xor"), IXOR);
115
116 declareIntrinsicFunction(Name.identifier("Boolean"), Name.identifier("not"), 0, new Not());
117
118 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("plus"), 1, new Concat());
119 declareIntrinsicFunction(Name.identifier("CharSequence"), Name.identifier("get"), 1, new StringGetChar());
120 declareIntrinsicFunction(Name.identifier("String"), Name.identifier("get"), 1, new StringGetChar());
121
122 FqName builtInsPackageFqName = KotlinBuiltIns.getInstance().getBuiltInsPackageFqName();
123 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("name"), 0, new EnumName());
124 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("ordinal"), 0, new EnumOrdinal());
125
126 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("toString"), 0, TO_STRING);
127 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("equals"), 1, EQUALS);
128 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("identityEquals"), 1, IDENTITY_EQUALS);
129 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("plus"), 1, STRING_PLUS);
130 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("arrayOfNulls"), 1, new NewArray());
131 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("synchronized"), 2, new StupidSync());
132 intrinsicsMap.registerIntrinsic(builtInsPackageFqName, Name.identifier("iterator"), 0, new IteratorIterator());
133
134
135 declareIntrinsicFunction(Name.identifier("ByteIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
136 declareIntrinsicFunction(Name.identifier("ShortIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
137 declareIntrinsicFunction(Name.identifier("IntIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
138 declareIntrinsicFunction(Name.identifier("LongIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
139 declareIntrinsicFunction(Name.identifier("CharIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
140 declareIntrinsicFunction(Name.identifier("BooleanIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
141 declareIntrinsicFunction(Name.identifier("FloatIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
142 declareIntrinsicFunction(Name.identifier("DoubleIterator"), Name.identifier("next"), 0, ITERATOR_NEXT);
143
144 for (PrimitiveType type : PrimitiveType.values()) {
145 declareIntrinsicFunction(type.getTypeName(), Name.identifier("compareTo"), 1, new CompareTo());
146 }
147 // declareIntrinsicFunction("Any", "equals", 1, new Equals());
148 //
149 declareIntrinsicProperty(Name.identifier("CharSequence"), Name.identifier("length"), new StringLength());
150 declareIntrinsicProperty(Name.identifier("String"), Name.identifier("length"), new StringLength());
151
152 registerStaticField(getFQName(KotlinBuiltIns.getInstance().getUnit()).toSafe(), Name.identifier("VALUE"));
153
154 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
155 registerStaticField(type.getRangeClassName(), Name.identifier("EMPTY"));
156 }
157
158 for (PrimitiveType type : PrimitiveType.NUMBER_TYPES) {
159 registerRangeOrProgressionProperty(type.getRangeClassName(), Name.identifier("start"));
160 registerRangeOrProgressionProperty(type.getRangeClassName(), Name.identifier("end"));
161
162 registerRangeOrProgressionProperty(type.getProgressionClassName(), Name.identifier("start"));
163 registerRangeOrProgressionProperty(type.getProgressionClassName(), Name.identifier("end"));
164 registerRangeOrProgressionProperty(type.getProgressionClassName(), Name.identifier("increment"));
165 }
166
167 declareArrayMethods();
168 }
169
170 private void registerStaticField(@NotNull FqName classFqName, @NotNull Name propertyName) {
171 FqNameUnsafe classObjectFqName = classFqName.toUnsafe().child(getClassObjectName(classFqName.shortName()));
172 intrinsicsMap.registerIntrinsic(classObjectFqName, propertyName, -1, new StaticField(classFqName, propertyName));
173 }
174
175 private void registerRangeOrProgressionProperty(@NotNull FqName ownerClass, @NotNull Name propertyName) {
176 intrinsicsMap.registerIntrinsic(ownerClass, propertyName, -1, new PropertyOfProgressionOrRange(ownerClass, propertyName));
177 }
178
179 private void declareArrayMethods() {
180
181 for (JvmPrimitiveType jvmPrimitiveType : JvmPrimitiveType.values()) {
182 declareArrayMethodsForPrimitive(jvmPrimitiveType);
183 }
184
185 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("size"), ARRAY_SIZE);
186 declareIntrinsicProperty(Name.identifier("Array"), Name.identifier("indices"), ARRAY_INDICES);
187 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("set"), 2, ARRAY_SET);
188 declareIntrinsicFunction(Name.identifier("Array"), Name.identifier("get"), 1, ARRAY_GET);
189 declareIterator(Name.identifier("Array"));
190 }
191
192 private void declareArrayMethodsForPrimitive(JvmPrimitiveType jvmPrimitiveType) {
193 PrimitiveType primitiveType = jvmPrimitiveType.getPrimitiveType();
194 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("size"), ARRAY_SIZE);
195 declareIntrinsicProperty(primitiveType.getArrayTypeName(), Name.identifier("indices"), ARRAY_INDICES);
196 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("set"), 2, ARRAY_SET);
197 declareIntrinsicFunction(primitiveType.getArrayTypeName(), Name.identifier("get"), 1, ARRAY_GET);
198 declareIterator(primitiveType.getArrayTypeName());
199 }
200
201 private void declareIterator(@NotNull Name arrayClassName) {
202 declareIntrinsicFunction(arrayClassName, Name.identifier("iterator"), 0, ARRAY_ITERATOR);
203 }
204
205 private void declareBinaryOp(Name methodName, int opcode) {
206 BinaryOp op = new BinaryOp(opcode);
207 for (PrimitiveType type : PrimitiveType.values()) {
208 declareIntrinsicFunction(type.getTypeName(), methodName, 1, op);
209 }
210 }
211
212 private void declareIntrinsicProperty(Name className, Name methodName, IntrinsicMethod implementation) {
213 intrinsicsMap.registerIntrinsic(KotlinBuiltIns.getInstance().getBuiltInsPackageFqName().child(className), methodName, -1, implementation);
214 }
215
216 private void declareIntrinsicFunction(Name className, Name functionName, int arity, IntrinsicMethod implementation) {
217 intrinsicsMap.registerIntrinsic(KotlinBuiltIns.getInstance().getBuiltInsPackageFqName().child(className), functionName, arity, implementation);
218 }
219
220 @Nullable
221 public IntrinsicMethod getIntrinsic(@NotNull CallableMemberDescriptor descriptor) {
222 IntrinsicMethod intrinsicMethod = intrinsicsMap.getIntrinsic(descriptor);
223 if (intrinsicMethod != null) {
224 return intrinsicMethod;
225 }
226
227 if (descriptor instanceof SimpleFunctionDescriptor) {
228 SimpleFunctionDescriptor functionDescriptor = (SimpleFunctionDescriptor) descriptor;
229
230 if (isEnumClassObject(functionDescriptor.getContainingDeclaration())) {
231 if (isEnumValuesMethod(functionDescriptor)) {
232 return ENUM_VALUES;
233 }
234
235 if (isEnumValueOfMethod(functionDescriptor)) {
236 return ENUM_VALUE_OF;
237 }
238 }
239 }
240
241 List<AnnotationDescriptor> annotations = descriptor.getAnnotations();
242 if (annotations != null) {
243 for (AnnotationDescriptor annotation : annotations) {
244 ClassifierDescriptor classifierDescriptor = annotation.getType().getConstructor().getDeclarationDescriptor();
245 assert classifierDescriptor != null;
246 if ("Intrinsic".equals(classifierDescriptor.getName().asString())) {
247 String value = (String) annotation.getAllValueArguments().values().iterator().next().getValue();
248 intrinsicMethod = namedMethods.get(value);
249 if (intrinsicMethod != null) {
250 break;
251 }
252 }
253 }
254 }
255 return intrinsicMethod;
256 }
257 }