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.kotlin.kotlin-compiler.1.3.11.source-code.PrimitiveNumberRangeIntrinsicRangeValue.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.*
import org.jetbrains.kotlin.codegen.range.comparison.getComparisonGeneratorForRangeContainsCall
import org.jetbrains.kotlin.codegen.range.forLoop.ForInDefinitelySafeSimpleProgressionLoopGenerator
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.codegen.range.inExpression.InFloatingPointRangeLiteralExpressionGenerator
import org.jetbrains.kotlin.codegen.range.inExpression.InIntegralContinuousRangeExpressionGenerator
import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.psi.KtExpression
import org.jetbrains.kotlin.psi.KtForExpression
import org.jetbrains.kotlin.psi.KtSimpleNameExpression
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall
import org.jetbrains.kotlin.resolve.constants.*
import org.jetbrains.kotlin.utils.addToStdlib.safeAs
import org.jetbrains.org.objectweb.asm.Type
abstract class PrimitiveNumberRangeIntrinsicRangeValue(
rangeCall: ResolvedCall
) : CallIntrinsicRangeValue(rangeCall) {
protected val asmElementType = getAsmRangeElementTypeForPrimitiveRangeOrProgression(rangeCall.resultingDescriptor)
override fun isIntrinsicInCall(resolvedCallForIn: ResolvedCall) =
resolvedCallForIn.resultingDescriptor.let {
isPrimitiveRangeContains(it) ||
isClosedFloatingPointRangeContains(it) ||
isPrimitiveNumberRangeExtensionContainsPrimitiveNumber(it)
}
override fun createIntrinsicInExpressionGenerator(
codegen: ExpressionCodegen,
operatorReference: KtSimpleNameExpression,
resolvedCall: ResolvedCall
): InExpressionGenerator {
val comparisonGenerator = getComparisonGeneratorForRangeContainsCall(codegen, resolvedCall)
val comparedType = comparisonGenerator?.comparedType
return when {
comparisonGenerator == null -> CallBasedInExpressionGenerator(codegen, operatorReference)
comparedType == Type.DOUBLE_TYPE || comparedType == Type.FLOAT_TYPE -> {
val rangeLiteral = getBoundedValue(codegen) as? SimpleBoundedValue
?: throw AssertionError("Floating point intrinsic range value should be a range literal")
InFloatingPointRangeLiteralExpressionGenerator(operatorReference, rangeLiteral, comparisonGenerator, codegen.frameMap)
}
else ->
InIntegralContinuousRangeExpressionGenerator(
operatorReference, getBoundedValue(codegen), comparisonGenerator, codegen.frameMap
)
}
}
protected abstract fun getBoundedValue(codegen: ExpressionCodegen): BoundedValue
protected fun createConstBoundedForLoopGeneratorOrNull(
codegen: ExpressionCodegen,
forExpression: KtForExpression,
startValue: StackValue,
endExpression: KtExpression,
step: Int,
isStartInclusive: Boolean = true
): ForLoopGenerator? {
val endConstValue = codegen.getCompileTimeConstant(endExpression).safeAs>() ?: return null
return when (endConstValue) {
is ByteValue -> {
val endIntValue = endConstValue.value.toInt()
if (isProhibitedIntConstEndValue(step, endIntValue))
null
else
createConstBoundedIntForLoopGenerator(codegen, forExpression, startValue, endIntValue, step, isStartInclusive)
}
is ShortValue -> {
val endIntValue = endConstValue.value.toInt()
if (isProhibitedIntConstEndValue(step, endIntValue))
null
else
createConstBoundedIntForLoopGenerator(codegen, forExpression, startValue, endIntValue, step, isStartInclusive)
}
is IntValue -> {
val endIntValue = endConstValue.value
if (isProhibitedIntConstEndValue(step, endIntValue))
null
else
createConstBoundedIntForLoopGenerator(codegen, forExpression, startValue, endIntValue, step, isStartInclusive)
}
is CharValue -> {
val endCharValue = endConstValue.value
if (isProhibitedCharConstEndValue(step, endCharValue))
null
else
createConstBoundedIntForLoopGenerator(codegen, forExpression, startValue, endCharValue.toInt(), step, isStartInclusive)
}
is LongValue -> {
val endLongValue = endConstValue.value
if (isProhibitedLongConstEndValue(step, endLongValue))
null
else
createConstBoundedLongForLoopGenerator(codegen, forExpression, startValue, endLongValue, step, isStartInclusive)
}
else -> null
}
}
private fun createConstBoundedIntForLoopGenerator(
codegen: ExpressionCodegen,
forExpression: KtForExpression,
startValue: StackValue,
endIntValue: Int,
step: Int,
isStartInclusive: Boolean
): ForLoopGenerator? =
ForInDefinitelySafeSimpleProgressionLoopGenerator(
codegen, forExpression,
startValue = startValue,
isStartInclusive = isStartInclusive,
endValue = StackValue.integerConstant(endIntValue, asmElementType),
isEndInclusive = true,
step = step
)
private fun createConstBoundedLongForLoopGenerator(
codegen: ExpressionCodegen,
forExpression: KtForExpression,
startValue: StackValue,
endLongValue: Long,
step: Int,
isStartInclusive: Boolean
): ForLoopGenerator? =
ForInDefinitelySafeSimpleProgressionLoopGenerator(
codegen, forExpression,
startValue = startValue,
isStartInclusive = isStartInclusive,
endValue = StackValue.constant(endLongValue, asmElementType),
isEndInclusive = true,
step = step
)
private fun isProhibitedCharConstEndValue(step: Int, endValue: Char) =
endValue == if (step == 1) java.lang.Character.MAX_VALUE else java.lang.Character.MIN_VALUE
private fun isProhibitedIntConstEndValue(step: Int, endValue: Int) =
endValue == if (step == 1) Int.MAX_VALUE else Int.MIN_VALUE
private fun isProhibitedLongConstEndValue(step: Int, endValue: Long) =
endValue == if (step == 1) Long.MAX_VALUE else Long.MIN_VALUE
}
