org.jetbrains.kotlin.codegen.when.MappingsClassesForWhenByEnum Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.codegen.when;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.codegen.binding.CodegenBinding;
import org.jetbrains.kotlin.codegen.state.GenerationState;
import org.jetbrains.kotlin.psi.KtWhenExpression;
import org.jetbrains.org.objectweb.asm.Type;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class MappingsClassesForWhenByEnum {
private final GenerationState state;
private final Set generatedMappingClasses = new HashSet();
private final MappingClassesForWhenByEnumCodegen mappingsCodegen;
public MappingsClassesForWhenByEnum(@NotNull GenerationState state) {
this.state = state;
this.mappingsCodegen = new MappingClassesForWhenByEnumCodegen(state);
}
public void generateMappingsClassForExpression(@NotNull KtWhenExpression expression) {
WhenByEnumsMapping mapping = state.getBindingContext().get(CodegenBinding.MAPPING_FOR_WHEN_BY_ENUM, expression);
assert mapping != null : "mapping class should not be requested for non enum when";
if (!generatedMappingClasses.contains(mapping.getMappingsClassInternalName())) {
List mappings = state.getBindingContext().get(
CodegenBinding.MAPPINGS_FOR_WHENS_BY_ENUM_IN_CLASS_FILE,
mapping.getOuterClassInternalNameForExpression()
);
assert mappings != null : "guaranteed by usage contract of EnumSwitchCodegen";
Type mappingsClassType = Type.getObjectType(mapping.getMappingsClassInternalName());
mappingsCodegen.generate(mappings, mappingsClassType, expression.getContainingKtFile());
generatedMappingClasses.add(mapping.getMappingsClassInternalName());
}
}
}