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Intrinsics for 'reversed': downTo

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#KT-21323 In Progress
This commit is contained in:
Dmitry Petrov
2017-12-11 16:41:51 +03:00
parent 64ba811b7f
commit 455a1c0f53
8 changed files with 86 additions and 1 deletions
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compiler/backend/src/org/jetbrains/kotlin/codegen/range/DownToProgressionRangeValue.kt
+6 -1
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@@ -24,7 +24,9 @@ import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.psi.KtForExpression
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
class DownToProgressionRangeValue(rangeCall: ResolvedCall<out CallableDescriptor>): PrimitiveNumberRangeIntrinsicRangeValue(rangeCall) {
class DownToProgressionRangeValue(rangeCall: ResolvedCall<out CallableDescriptor>) :
PrimitiveNumberRangeIntrinsicRangeValue(rangeCall), ReversableRangeValue {
override fun getBoundedValue(codegen: ExpressionCodegen) =
SimpleBoundedValue(
codegen, rangeCall,
@@ -34,4 +36,7 @@ class DownToProgressionRangeValue(rangeCall: ResolvedCall<out CallableDescriptor
override fun createForLoopGenerator(codegen: ExpressionCodegen, forExpression: KtForExpression) =
ForInSimpleProgressionLoopGenerator.fromBoundedValueWithStepMinus1(codegen, forExpression, getBoundedValue(codegen))
override fun createForInReversedLoopGenerator(codegen: ExpressionCodegen, forExpression: KtForExpression) =
ForInSimpleProgressionLoopGenerator.fromBoundedValueWithStep1(codegen, forExpression, getBoundedValue(codegen))
}