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/*
* 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.resolve.constants
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.annotations.AnnotationArgumentVisitor
import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
import org.jetbrains.kotlin.resolve.descriptorUtil.classValueType
import org.jetbrains.kotlin.types.ErrorUtils
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.utils.sure
abstract class ConstantValue(open val value: T) {
abstract val type: KotlinType
abstract fun accept(visitor: AnnotationArgumentVisitor, data: D): R
override fun toString() = value.toString()
}
abstract class IntegerValueConstant protected constructor(value: T) : ConstantValue(value)
class AnnotationValue(value: AnnotationDescriptor) : ConstantValue(value) {
override val type: KotlinType
get() = value.type
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitAnnotationValue(this, data)
override fun toString() = value.toString()
}
class ArrayValue(
value: List>,
override val type: KotlinType,
private val builtIns: KotlinBuiltIns
) : ConstantValue>>(value) {
init {
assert(KotlinBuiltIns.isArray(type) || KotlinBuiltIns.isPrimitiveArray(type)) { "Type should be an array, but was " + type + ": " + value }
}
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitArrayValue(this, data)
val elementType: KotlinType
get() = builtIns.getArrayElementType(type)
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other == null || other::class.java != this::class.java) return false
return value == (other as ArrayValue).value
}
override fun hashCode() = value.hashCode()
}
class BooleanValue(
value: Boolean,
builtIns: KotlinBuiltIns
) : ConstantValue(value) {
override val type = builtIns.booleanType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitBooleanValue(this, data)
}
class ByteValue(
value: Byte,
builtIns: KotlinBuiltIns
) : IntegerValueConstant(value) {
override val type = builtIns.byteType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitByteValue(this, data)
override fun toString(): String = "$value.toByte()"
}
class CharValue(
value: Char,
builtIns: KotlinBuiltIns
) : IntegerValueConstant(value) {
override val type = builtIns.charType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitCharValue(this, data)
override fun toString() = "\\u%04X ('%s')".format(value.toInt(), getPrintablePart(value))
private fun getPrintablePart(c: Char): String = when (c) {
'\b' -> "\\b"
'\t' -> "\\t"
'\n' -> "\\n"
//TODO: KT-8507
12.toChar() -> "\\f"
'\r' -> "\\r"
else -> if (isPrintableUnicode(c)) Character.toString(c) else "?"
}
private fun isPrintableUnicode(c: Char): Boolean {
val t = Character.getType(c).toByte()
return t != Character.UNASSIGNED &&
t != Character.LINE_SEPARATOR &&
t != Character.PARAGRAPH_SEPARATOR &&
t != Character.CONTROL &&
t != Character.FORMAT &&
t != Character.PRIVATE_USE &&
t != Character.SURROGATE
}
}
class DoubleValue(
value: Double,
builtIns: KotlinBuiltIns
) : ConstantValue(value) {
override val type = builtIns.doubleType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitDoubleValue(this, data)
override fun toString() = "$value.toDouble()"
}
class EnumValue(
value: ClassDescriptor
) : ConstantValue(value) {
override val type: KotlinType
get() = value.classValueType.sure { "Enum entry must have a class object type: " + value }
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitEnumValue(this, data)
override fun toString() = "$type.${value.name}"
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other == null || other::class.java != this::class.java) return false
return value == (other as EnumValue).value
}
override fun hashCode() = value.hashCode()
}
abstract class ErrorValue : ConstantValue(Unit) {
@Deprecated("Should not be called, for this is not a real value, but a indication of an error")
override val value: Unit
get() = throw UnsupportedOperationException()
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitErrorValue(this, data)
class ErrorValueWithMessage(val message: String) : ErrorValue() {
override val type = ErrorUtils.createErrorType(message)
override fun toString() = message
}
companion object {
fun create(message: String): ErrorValue {
return ErrorValueWithMessage(message)
}
}
}
class FloatValue(
value: Float,
builtIns: KotlinBuiltIns
) : ConstantValue(value) {
override val type = builtIns.floatType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitFloatValue(this, data)
override fun toString() = "$value.toFloat()"
}
class IntValue(
value: Int,
builtIns: KotlinBuiltIns
) : IntegerValueConstant(value) {
override val type = builtIns.intType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitIntValue(this, data)
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other == null || other::class.java != this::class.java) return false
val intValue = other as IntValue
return value == intValue.value
}
override fun hashCode() = value
}
class KClassValue(override val type: KotlinType) :
ConstantValue(type) {
override val value: KotlinType
get() = type.arguments.single().type
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitKClassValue(this, data)
}
class LongValue(
value: Long,
builtIns: KotlinBuiltIns
) : IntegerValueConstant(value) {
override val type = builtIns.longType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitLongValue(this, data)
override fun toString() = "$value.toLong()"
}
class NullValue(
builtIns: KotlinBuiltIns
) : ConstantValue(null) {
override val type = builtIns.nullableNothingType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitNullValue(this, data)
override fun toString() = "null"
}
class ShortValue(
value: Short,
builtIns: KotlinBuiltIns
) : IntegerValueConstant(value) {
override val type = builtIns.shortType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitShortValue(this, data)
override fun toString() = "$value.toShort()"
}
class StringValue(
value: String,
builtIns: KotlinBuiltIns
) : ConstantValue(value) {
override val type = builtIns.stringType
override fun accept(visitor: AnnotationArgumentVisitor, data: D) = visitor.visitStringValue(this, data)
override fun toString() = "\"$value\""
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other == null || other::class.java != this::class.java) return false
return value != (other as StringValue).value
}
override fun hashCode() = value.hashCode()
}
