Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.jetbrains.kotlin.codegen.binding.CodegenBinding 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.binding;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.codegen.JvmCodegenUtil;
import org.jetbrains.kotlin.codegen.SamType;
import org.jetbrains.kotlin.codegen.state.GenerationState;
import org.jetbrains.kotlin.codegen.when.WhenByEnumsMapping;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.descriptors.impl.ClassDescriptorImpl;
import org.jetbrains.kotlin.fileClasses.JvmFileClassesProvider;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;
import org.jetbrains.kotlin.psi.*;
import org.jetbrains.kotlin.psi.psiUtil.PsiUtilPackage;
import org.jetbrains.kotlin.resolve.BindingContext;
import org.jetbrains.kotlin.resolve.BindingTrace;
import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilPackage;
import org.jetbrains.kotlin.resolve.scopes.JetScope;
import org.jetbrains.kotlin.util.slicedMap.BasicWritableSlice;
import org.jetbrains.kotlin.util.slicedMap.Slices;
import org.jetbrains.kotlin.util.slicedMap.WritableSlice;
import org.jetbrains.org.objectweb.asm.Type;
import java.util.*;
import static org.jetbrains.kotlin.resolve.BindingContext.*;
import static org.jetbrains.kotlin.resolve.DescriptorToSourceUtils.descriptorToDeclaration;
import static org.jetbrains.kotlin.resolve.source.SourcePackage.toSourceElement;
public class CodegenBinding {
public static final WritableSlice CLOSURE = Slices.createSimpleSlice();
public static final WritableSlice CLASS_FOR_CALLABLE = Slices.createSimpleSlice();
public static final WritableSlice CLASS_FOR_SCRIPT = Slices.createSimpleSlice();
public static final WritableSlice ASM_TYPE = Slices.createSimpleSlice();
public static final WritableSlice ENUM_ENTRY_CLASS_NEED_SUBCLASS = Slices.createSimpleSetSlice();
public static final WritableSlice> INNER_CLASSES = Slices.createSimpleSlice();
public static final WritableSlice SAM_VALUE = Slices.createSimpleSlice();
public static final WritableSlice SAM_CONSTRUCTOR_TO_ARGUMENT = Slices.createSimpleSlice();
public static final WritableSlice MAPPING_FOR_WHEN_BY_ENUM = Slices.createSimpleSlice();
public static final WritableSlice> MAPPINGS_FOR_WHENS_BY_ENUM_IN_CLASS_FILE =
Slices.createSimpleSlice();
static {
BasicWritableSlice.initSliceDebugNames(CodegenBinding.class);
}
private CodegenBinding() {
}
public static void initTrace(@NotNull GenerationState state) {
CodegenAnnotatingVisitor visitor = new CodegenAnnotatingVisitor(state);
for (JetFile file : allFilesInPackages(state.getBindingContext(), state.getFiles())) {
file.accept(visitor);
}
}
public static boolean enumEntryNeedSubclass(BindingContext bindingContext, JetEnumEntry enumEntry) {
return enumEntryNeedSubclass(bindingContext, bindingContext.get(CLASS, enumEntry));
}
public static boolean enumEntryNeedSubclass(BindingContext bindingContext, ClassDescriptor classDescriptor) {
return Boolean.TRUE.equals(bindingContext.get(ENUM_ENTRY_CLASS_NEED_SUBCLASS, classDescriptor));
}
// SCRIPT: Generate asmType for script, move to ScriptingUtil
@NotNull
public static Type asmTypeForScriptDescriptor(BindingContext bindingContext, @NotNull ScriptDescriptor scriptDescriptor) {
ClassDescriptor classDescriptor = bindingContext.get(CLASS_FOR_SCRIPT, scriptDescriptor);
//noinspection ConstantConditions
return getAsmType(bindingContext, classDescriptor);
}
// SCRIPT: Generate asmType for script, move to ScriptingUtil
@NotNull
public static Type asmTypeForScriptPsi(BindingContext bindingContext, @NotNull JetScript script) {
ScriptDescriptor scriptDescriptor = bindingContext.get(SCRIPT, script);
if (scriptDescriptor == null) {
throw new IllegalStateException("Script descriptor not found by PSI " + script);
}
return asmTypeForScriptDescriptor(bindingContext, scriptDescriptor);
}
@NotNull
public static ClassDescriptor anonymousClassForCallable(
@NotNull BindingContext bindingContext,
@NotNull CallableDescriptor descriptor
) {
//noinspection ConstantConditions
return bindingContext.get(CLASS_FOR_CALLABLE, descriptor);
}
@NotNull
public static Type asmTypeForAnonymousClass(@NotNull BindingContext bindingContext, @NotNull JetElement expression) {
if (expression instanceof JetObjectLiteralExpression) {
expression = ((JetObjectLiteralExpression) expression).getObjectDeclaration();
}
ClassDescriptor descriptor = bindingContext.get(CLASS, expression);
if (descriptor != null) {
return getAsmType(bindingContext, descriptor);
}
SimpleFunctionDescriptor functionDescriptor = bindingContext.get(FUNCTION, expression);
if (functionDescriptor != null) {
return asmTypeForAnonymousClass(bindingContext, functionDescriptor);
}
VariableDescriptor variableDescriptor = bindingContext.get(VARIABLE, expression);
if (variableDescriptor != null) {
return asmTypeForAnonymousClass(bindingContext, variableDescriptor);
}
throw new IllegalStateException("Couldn't compute ASM type for " + PsiUtilPackage.getElementTextWithContext(expression));
}
@NotNull
public static Type asmTypeForAnonymousClass(@NotNull BindingContext bindingContext, @NotNull CallableDescriptor descriptor) {
return getAsmType(bindingContext, anonymousClassForCallable(bindingContext, descriptor));
}
public static boolean canHaveOuter(@NotNull BindingContext bindingContext, @NotNull ClassDescriptor classDescriptor) {
if (classDescriptor.getKind() != ClassKind.CLASS) {
return false;
}
MutableClosure closure = bindingContext.get(CLOSURE, classDescriptor);
if (closure == null || closure.getEnclosingClass() == null) {
return false;
}
return classDescriptor.isInner() || !(classDescriptor.getContainingDeclaration() instanceof ClassDescriptor);
}
static void recordClosure(
@NotNull BindingTrace trace,
@NotNull ClassDescriptor classDescriptor,
@Nullable ClassDescriptor enclosing,
@NotNull Type asmType,
@NotNull JvmFileClassesProvider fileClassesManager
) {
JetElement element = (JetElement) descriptorToDeclaration(classDescriptor);
assert element != null : "No source element for " + classDescriptor;
MutableClosure closure = new MutableClosure(classDescriptor, enclosing);
if (classDescriptor.isInner()) {
closure.setCaptureThis();
}
assert PsiCodegenPredictor.checkPredictedNameFromPsi(classDescriptor, asmType, fileClassesManager);
trace.record(ASM_TYPE, classDescriptor, asmType);
trace.record(CLOSURE, classDescriptor, closure);
// Note: at the moment this is needed for light classes only
// TODO: refactor this out
if (enclosing != null && !JvmCodegenUtil.isArgumentWhichWillBeInlined(trace.getBindingContext(), classDescriptor)) {
recordInnerClass(trace, enclosing, classDescriptor);
}
}
private static void recordInnerClass(
@NotNull BindingTrace bindingTrace,
@NotNull ClassDescriptor outer,
@NotNull ClassDescriptor inner
) {
Collection innerClasses = bindingTrace.get(INNER_CLASSES, outer);
if (innerClasses == null) {
innerClasses = new ArrayList(1);
bindingTrace.record(INNER_CLASSES, outer, innerClasses);
}
innerClasses.add(inner);
}
// SCRIPT: register asmType for script, move to ScriptingUtil
public static void registerClassNameForScript(
@NotNull BindingTrace trace,
@NotNull JetScript script,
@NotNull Type asmType,
@NotNull JvmFileClassesProvider fileClassesManager
) {
ScriptDescriptor descriptor = trace.getBindingContext().get(SCRIPT, script);
if (descriptor == null) {
throw new IllegalStateException("Script descriptor is not found for PSI: " + PsiUtilPackage.getElementTextWithContext(script));
}
String simpleName = asmType.getInternalName().substring(asmType.getInternalName().lastIndexOf('/') + 1);
ClassDescriptorImpl classDescriptor =
new ClassDescriptorImpl(descriptor, Name.special(""), Modality.FINAL,
Collections.singleton(DescriptorUtilPackage.getBuiltIns(descriptor).getAnyType()),
toSourceElement(script));
classDescriptor.initialize(JetScope.Empty.INSTANCE$, Collections.emptySet(), null);
recordClosure(trace, classDescriptor, null, asmType, fileClassesManager);
trace.record(CLASS_FOR_SCRIPT, descriptor, classDescriptor);
}
@NotNull
private static Collection allFilesInPackages(BindingContext bindingContext, Collection files) {
// todo: we use Set and add given files but ignoring other scripts because something non-clear kept in binding
// for scripts especially in case of REPL
// SCRIPT: collect fq names for files that are not scripts
HashSet names = new HashSet();
for (JetFile file : files) {
if (!file.isScript()) {
names.add(file.getPackageFqName());
}
}
HashSet answer = new HashSet();
answer.addAll(files);
for (FqName name : names) {
Collection jetFiles = bindingContext.get(PACKAGE_TO_FILES, name);
if (jetFiles != null) {
answer.addAll(jetFiles);
}
}
List sortedAnswer = new ArrayList(answer);
Collections.sort(sortedAnswer, new Comparator() {
@NotNull
private String path(JetFile file) {
VirtualFile virtualFile = file.getVirtualFile();
assert virtualFile != null : "VirtualFile is null for JetFile: " + file.getName();
return virtualFile.getPath();
}
@Override
public int compare(@NotNull JetFile first, @NotNull JetFile second) {
return path(first).compareTo(path(second));
}
});
return sortedAnswer;
}
@NotNull
public static Type getAsmType(@NotNull BindingContext bindingContext, @NotNull ClassDescriptor klass) {
Type type = bindingContext.get(ASM_TYPE, klass);
assert type != null : "Type is not yet recorded for " + klass;
return type;
}
@NotNull
public static Collection getAllInnerClasses(
@NotNull BindingContext bindingContext, @NotNull ClassDescriptor outermostClass
) {
Collection innerClasses = bindingContext.get(INNER_CLASSES, outermostClass);
if (innerClasses == null || innerClasses.isEmpty()) return Collections.emptySet();
Set allInnerClasses = new HashSet();
Deque stack = new ArrayDeque(innerClasses);
do {
ClassDescriptor currentClass = stack.pop();
if (allInnerClasses.add(currentClass)) {
Collection nextClasses = bindingContext.get(INNER_CLASSES, currentClass);
if (nextClasses != null) {
for (ClassDescriptor nextClass : nextClasses) {
stack.push(nextClass);
}
}
}
} while (!stack.isEmpty());
return allInnerClasses;
}
}
