org.jetbrains.kotlin.codegen.range.PrimitiveRangeRangeValue.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.range
import org.jetbrains.kotlin.codegen.ExpressionCodegen
import org.jetbrains.kotlin.codegen.range.comparison.getComparisonGeneratorForKotlinType
import org.jetbrains.kotlin.codegen.range.forLoop.ForInRangeInstanceLoopGenerator
import org.jetbrains.kotlin.codegen.range.forLoop.ForLoopGenerator
import org.jetbrains.kotlin.codegen.range.inExpression.CallBasedInExpressionGenerator
import org.jetbrains.kotlin.codegen.range.inExpression.InExpressionGenerator
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.psi.KtForExpression
import org.jetbrains.kotlin.psi.KtSimpleNameExpression
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.getRangeOrProgressionElementType
class PrimitiveRangeRangeValue(private val rangeExpression: KtExpression) : ReversableRangeValue {
override fun createForLoopGenerator(codegen: ExpressionCodegen, forExpression: KtForExpression) =
ForInRangeInstanceLoopGenerator(
codegen, forExpression, rangeExpression,
getComparisonGeneratorForKotlinType(getRangeElementType(codegen, forExpression)),
reversed = false
)
override fun createInExpressionGenerator(codegen: ExpressionCodegen, operatorReference: KtSimpleNameExpression): InExpressionGenerator =
CallBasedInExpressionGenerator(codegen, operatorReference)
override fun createForInReversedLoopGenerator(codegen: ExpressionCodegen, forExpression: KtForExpression): ForLoopGenerator =
ForInRangeInstanceLoopGenerator(
codegen, forExpression, rangeExpression,
getComparisonGeneratorForKotlinType(getRangeElementType(codegen, forExpression)),
reversed = true
)
private fun getRangeElementType(codegen: ExpressionCodegen, forExpression: KtForExpression): KotlinType {
val ktLoopRange = forExpression.loopRange
?: throw AssertionError("No loop range expression: ${forExpression.text}")
val rangeType = codegen.bindingContext.getType(ktLoopRange)
?: throw AssertionError("No type for loop range expression: ${ktLoopRange.text}")
return getRangeOrProgressionElementType(rangeType)
?: throw AssertionError("Unexpected range type: $rangeType")
}
}