org.jetbrains.kotlin.codegen.context.ScriptContext 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.context;
import kotlin.collections.CollectionsKt;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.codegen.FieldInfo;
import org.jetbrains.kotlin.codegen.OwnerKind;
import org.jetbrains.kotlin.codegen.state.GenerationState;
import org.jetbrains.kotlin.codegen.state.JetTypeMapper;
import org.jetbrains.kotlin.descriptors.ClassDescriptor;
import org.jetbrains.kotlin.descriptors.ScriptDescriptor;
import org.jetbrains.kotlin.psi.KtAnonymousInitializer;
import org.jetbrains.kotlin.psi.KtDeclaration;
import org.jetbrains.kotlin.psi.KtExpression;
import org.jetbrains.kotlin.psi.KtScript;
import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils;
import org.jetbrains.kotlin.resolve.jvm.AsmTypes;
import java.util.List;
public class ScriptContext extends ClassContext {
private final ScriptDescriptor scriptDescriptor;
private final List earlierScripts;
private final KtExpression lastStatement;
public ScriptContext(
@NotNull JetTypeMapper typeMapper,
@NotNull ScriptDescriptor scriptDescriptor,
@NotNull List earlierScripts,
@NotNull ClassDescriptor contextDescriptor,
@Nullable CodegenContext parentContext
) {
super(typeMapper, contextDescriptor, OwnerKind.IMPLEMENTATION, parentContext, null);
this.scriptDescriptor = scriptDescriptor;
this.earlierScripts = earlierScripts;
KtScript script = (KtScript) DescriptorToSourceUtils.getSourceFromDescriptor(scriptDescriptor);
assert script != null : "Declaration should be present for script: " + scriptDescriptor;
KtDeclaration lastDeclaration = CollectionsKt.lastOrNull(script.getDeclarations());
if (lastDeclaration instanceof KtAnonymousInitializer) {
this.lastStatement = ((KtAnonymousInitializer) lastDeclaration).getBody();
}
else {
this.lastStatement = null;
}
}
@NotNull
public ScriptDescriptor getScriptDescriptor() {
return scriptDescriptor;
}
@NotNull
public FieldInfo getResultFieldInfo() {
assert getState().getReplSpecific().getShouldGenerateScriptResultValue() : "Should not be called unless 'scriptResultFieldName' is set";
GenerationState state = getState();
String scriptResultFieldName = state.getReplSpecific().getScriptResultFieldName();
assert scriptResultFieldName != null;
return FieldInfo.createForHiddenField(state.getTypeMapper().mapClass(scriptDescriptor), AsmTypes.OBJECT_TYPE, scriptResultFieldName);
}
@NotNull
public List getEarlierScripts() {
return earlierScripts;
}
@NotNull
public String getScriptFieldName(@NotNull ScriptDescriptor scriptDescriptor) {
int index = earlierScripts.indexOf(scriptDescriptor);
if (index < 0) {
throw new IllegalStateException("Unregistered script: " + scriptDescriptor);
}
return "script$" + (index + 1);
}
@Nullable
public KtExpression getLastStatement() {
return lastStatement;
}
@Override
public String toString() {
return "Script: " + getContextDescriptor().getName().asString();
}
}