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Minor, refactor "is KProperty" checks in ReflectionTypes

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This commit is contained in:
Alexander Udalov
2016-06-22 15:55:41 +03:00
parent e68de436bb
commit cf630e01db
5 changed files with 26 additions and 18 deletions
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core/descriptors/src/org/jetbrains/kotlin/builtins/KotlinBuiltIns.java
+3
View File
@@ -216,6 +216,9 @@ public abstract class KotlinBuiltIns {
public final FqNameUnsafe kClass = reflect("KClass");
public final FqNameUnsafe kCallable = reflect("KCallable");
public final FqNameUnsafe kProperty0 = reflect("KProperty0");
public final FqNameUnsafe kProperty1 = reflect("KProperty1");
public final FqNameUnsafe kProperty2 = reflect("KProperty2");
public final FqNameUnsafe kMutableProperty0 = reflect("KMutableProperty0");
public final FqNameUnsafe kMutableProperty1 = reflect("KMutableProperty1");
public final FqNameUnsafe kMutableProperty2 = reflect("KMutableProperty2");
core/descriptors/src/org/jetbrains/kotlin/builtins/ReflectionTypes.kt
+20 -14
View File
@@ -120,28 +120,34 @@ class ReflectionTypes(module: ModuleDescriptor) {
fun isCallableType(type: KotlinType): Boolean =
type.isFunctionTypeOrSubtype || isKCallableType(type)
@JvmStatic fun isFunctionalKPropertyType(type: KotlinType): Boolean {
val descriptor = type.constructor.declarationDescriptor ?: return false
val segments = DescriptorUtils.getFqName(descriptor).pathSegments()
return segments.size == 3 && segments.subList(0, 2) == KOTLIN_REFLECT_FQ_NAME.pathSegments() &&
segments.last().let { it.isProperty("KProperty") || it.isProperty("KMutableProperty") }
}
private fun Name.isProperty(baseName: String) = asString().startsWith(baseName) && asString() != baseName
@JvmStatic
fun isNumberedKPropertyOrKMutablePropertyType(type: KotlinType): Boolean =
isNumberedKPropertyType(type) || isNumberedKMutablePropertyType(type)
private fun isKCallableType(type: KotlinType): Boolean =
hasFqName(type.constructor, KotlinBuiltIns.FQ_NAMES.kCallable) ||
type.constructor.supertypes.any { isKCallableType(it) }
fun isKMutablePropertyType(type: KotlinType): Boolean {
val typeConstructor = type.constructor
return hasFqName(typeConstructor, KotlinBuiltIns.FQ_NAMES.kMutableProperty0) ||
hasFqName(typeConstructor, KotlinBuiltIns.FQ_NAMES.kMutableProperty1) ||
hasFqName(typeConstructor, KotlinBuiltIns.FQ_NAMES.kMutableProperty2)
fun isNumberedKMutablePropertyType(type: KotlinType): Boolean {
val descriptor = type.constructor.declarationDescriptor as? ClassDescriptor ?: return false
return hasFqName(descriptor, KotlinBuiltIns.FQ_NAMES.kMutableProperty0) ||
hasFqName(descriptor, KotlinBuiltIns.FQ_NAMES.kMutableProperty1) ||
hasFqName(descriptor, KotlinBuiltIns.FQ_NAMES.kMutableProperty2)
}
fun isNumberedKPropertyType(type: KotlinType): Boolean {
val descriptor = type.constructor.declarationDescriptor as? ClassDescriptor ?: return false
return hasFqName(descriptor, KotlinBuiltIns.FQ_NAMES.kProperty0) ||
hasFqName(descriptor, KotlinBuiltIns.FQ_NAMES.kProperty1) ||
hasFqName(descriptor, KotlinBuiltIns.FQ_NAMES.kProperty2)
}
private fun hasFqName(typeConstructor: TypeConstructor, fqName: FqNameUnsafe): Boolean {
val descriptor = typeConstructor.declarationDescriptor as? ClassDescriptor ?: return false
val descriptor = typeConstructor.declarationDescriptor
return descriptor is ClassDescriptor && hasFqName(descriptor, fqName)
}
private fun hasFqName(descriptor: ClassDescriptor, fqName: FqNameUnsafe): Boolean {
return descriptor.name == fqName.shortName() && DescriptorUtils.getFqName(descriptor) == fqName
}