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Refactor CodegenBinding.getJvmInternalFQNameImpl

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Simplify code, make sure empty string is never returned
This commit is contained in:
Alexander Udalov
2013-09-27 20:36:09 +04:00
parent f4abaaee10
commit 6edee687a2
1 changed files with 35 additions and 37 deletions
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compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenBinding.java
+35 -37
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@@ -43,6 +43,7 @@ import java.util.*;
import static org.jetbrains.jet.codegen.CodegenUtil.isInterface;
import static org.jetbrains.jet.lang.resolve.BindingContext.*;
import static org.jetbrains.jet.lang.resolve.BindingContextUtils.descriptorToDeclaration;
import static org.jetbrains.jet.lang.resolve.DescriptorUtils.isEnumClass;
public class CodegenBinding {
public static final WritableSlice<ClassDescriptor, MutableClosure> CLOSURE = Slices.createSimpleSlice();
@@ -250,7 +251,11 @@ public class CodegenBinding {
innerClasses.add(inner);
}
public static void registerClassNameForScript(BindingTrace bindingTrace, @NotNull JetScript jetScript, @NotNull JvmClassName className) {
public static void registerClassNameForScript(
BindingTrace bindingTrace,
@NotNull JetScript jetScript,
@NotNull JvmClassName className
) {
ScriptDescriptor descriptor = bindingTrace.getBindingContext().get(SCRIPT, jetScript);
if (descriptor == null) {
throw new IllegalStateException("Descriptor is not found for PSI " + jetScript);
@@ -276,8 +281,9 @@ public class CodegenBinding {
for (FqName name : names) {
NamespaceDescriptor namespaceDescriptor = bindingContext.get(BindingContext.FQNAME_TO_NAMESPACE_DESCRIPTOR, name);
Collection<JetFile> jetFiles = bindingContext.get(NAMESPACE_TO_FILES, namespaceDescriptor);
if (jetFiles != null)
if (jetFiles != null) {
answer.addAll(jetFiles);
}
}
List<JetFile> sortedAnswer = new ArrayList<JetFile>(answer);
@@ -323,65 +329,57 @@ public class CodegenBinding {
}
@NotNull
public static JvmClassName getJvmInternalName(BindingTrace bindingTrace, @NotNull DeclarationDescriptor descriptor) {
public static JvmClassName getJvmInternalName(@NotNull BindingTrace bindingTrace, @NotNull DeclarationDescriptor descriptor) {
descriptor = descriptor.getOriginal();
JvmClassName name = bindingTrace.getBindingContext().get(FQN, descriptor);
if (name != null) {
return name;
JvmClassName alreadyComputedName = bindingTrace.getBindingContext().get(FQN, descriptor);
if (alreadyComputedName != null) {
return alreadyComputedName;
}
name = JvmClassName.byInternalName(getJvmInternalFQNameImpl(bindingTrace, descriptor));
JvmClassName name = JvmClassName.byInternalName(getJvmInternalFQNameImpl(bindingTrace, descriptor));
assert PsiCodegenPredictor.checkPredictedNameFromPsi(bindingTrace, descriptor, name);
bindingTrace.record(FQN, descriptor, name);
return name;
}
private static String getJvmInternalFQNameImpl(BindingTrace bindingTrace, DeclarationDescriptor descriptor) {
@NotNull
private static String getJvmInternalFQNameImpl(@NotNull BindingTrace bindingTrace, @NotNull DeclarationDescriptor descriptor) {
if (descriptor instanceof FunctionDescriptor) {
throw new IllegalStateException("requested fq name for function: " + descriptor);
}
if (descriptor.getContainingDeclaration() instanceof ModuleDescriptor || descriptor instanceof ScriptDescriptor) {
return "";
}
if (descriptor instanceof ModuleDescriptor) {
throw new IllegalStateException("missed something");
}
if (descriptor instanceof ClassDescriptor) {
ClassDescriptor klass = (ClassDescriptor) descriptor;
if (klass.getKind() == ClassKind.OBJECT || klass.getKind() == ClassKind.CLASS_OBJECT) {
if (klass.getContainingDeclaration() instanceof ClassDescriptor) {
ClassDescriptor containingKlass = (ClassDescriptor) klass.getContainingDeclaration();
if (containingKlass.getKind() == ClassKind.ENUM_CLASS) {
return getJvmInternalName(bindingTrace, containingKlass).getInternalName();
}
else if (klass.getKind() == ClassKind.OBJECT) {
return getJvmInternalName(bindingTrace, containingKlass).getInternalName() + "$" + klass.getName();
}
else {
return getJvmInternalName(bindingTrace, containingKlass).getInternalName() + JvmAbi.CLASS_OBJECT_SUFFIX;
}
}
}
}
DeclarationDescriptor container = descriptor.getContainingDeclaration();
if (container == null) {
throw new IllegalStateException("descriptor has no container: " + descriptor);
}
Name name = descriptor.getName();
String baseName = getJvmInternalName(bindingTrace, container).getInternalName();
if (!baseName.isEmpty()) {
return baseName + (container instanceof NamespaceDescriptor ? "/" : "$") + name.getIdentifier();
if (container.getContainingDeclaration() instanceof ModuleDescriptor || container instanceof ScriptDescriptor) {
return descriptor.getName().getIdentifier();
}
return name.getIdentifier();
String containerInternalName = getJvmInternalName(bindingTrace, container).getInternalName();
if (descriptor instanceof ClassDescriptor && container instanceof ClassDescriptor) {
ClassDescriptor klass = (ClassDescriptor) descriptor;
if (klass.getKind() == ClassKind.OBJECT || klass.getKind() == ClassKind.CLASS_OBJECT) {
if (isEnumClass(container)) {
return containerInternalName;
}
else if (klass.getKind() == ClassKind.OBJECT) {
return containerInternalName + "$" + klass.getName();
}
else {
return containerInternalName + JvmAbi.CLASS_OBJECT_SUFFIX;
}
}
}
return containerInternalName + (container instanceof NamespaceDescriptor ? "/" : "$") + descriptor.getName().getIdentifier();
}
public static boolean isVarCapturedInClosure(BindingContext bindingContext, DeclarationDescriptor descriptor) {