org.jetbrains.kotlin.js.translate.intrinsic.operation.CompareToBOIF.kt Maven / Gradle / Ivy
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* Copyright 2010-2015 JetBrains s.r.o.
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* 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
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* 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
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package org.jetbrains.kotlin.js.translate.intrinsic.operation
import com.google.common.collect.ImmutableSet
import com.google.dart.compiler.backend.js.ast.*
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.psi.KtBinaryExpression
import org.jetbrains.kotlin.types.expressions.OperatorConventions
import org.jetbrains.kotlin.lexer.KtToken
import org.jetbrains.kotlin.js.patterns.PatternBuilder.pattern
import org.jetbrains.kotlin.js.translate.context.TranslationContext
import org.jetbrains.kotlin.js.translate.operation.OperatorTable
import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
import org.jetbrains.kotlin.js.translate.utils.JsDescriptorUtils
import org.jetbrains.kotlin.js.translate.utils.PsiUtils.getOperationToken
import org.jetbrains.kotlin.resolve.calls.tasks.isDynamic
object CompareToBOIF : BinaryOperationIntrinsicFactory {
val COMPARE_TO_CHAR = pattern("Int|Short|Byte|Double|Float.compareTo(Char)")
val CHAR_COMPARE_TO = pattern("Char.compareTo(Int|Short|Byte|Double|Float)")
val PRIMITIVE_COMPARE_TO = pattern("Int|Short|Byte|Double|Float|Char|String.compareTo")
private object CompareToIntrinsic : AbstractBinaryOperationIntrinsic() {
override fun apply(expression: KtBinaryExpression, left: JsExpression, right: JsExpression, context: TranslationContext): JsExpression {
val operator = OperatorTable.getBinaryOperator(getOperationToken(expression))
return JsBinaryOperation(operator, left, right)
}
}
private object CompareToCharIntrinsic : AbstractBinaryOperationIntrinsic() {
override fun apply(expression: KtBinaryExpression, left: JsExpression, right: JsExpression, context: TranslationContext): JsExpression {
val operator = OperatorTable.getBinaryOperator(getOperationToken(expression))
return JsBinaryOperation(operator, left, JsAstUtils.charToInt(right))
}
}
private object CompareCharToPrimitiveIntrinsic : AbstractBinaryOperationIntrinsic() {
override fun apply(expression: KtBinaryExpression, left: JsExpression, right: JsExpression, context: TranslationContext): JsExpression {
val operator = OperatorTable.getBinaryOperator(getOperationToken(expression))
return JsBinaryOperation(operator, JsAstUtils.charToInt(left), right)
}
}
private object CompareToFunctionIntrinsic : AbstractBinaryOperationIntrinsic() {
override fun apply(expression: KtBinaryExpression, left: JsExpression, right: JsExpression, context: TranslationContext): JsExpression {
val operator = OperatorTable.getBinaryOperator(getOperationToken(expression))
val compareTo = JsAstUtils.compareTo(left, right)
return JsBinaryOperation(operator, compareTo, JsNumberLiteral.ZERO)
}
}
override fun getSupportTokens() = OperatorConventions.COMPARISON_OPERATIONS
override fun getIntrinsic(descriptor: FunctionDescriptor): BinaryOperationIntrinsic? {
if (descriptor.isDynamic()) return CompareToIntrinsic
if (!JsDescriptorUtils.isBuiltin(descriptor)) return null
return when {
COMPARE_TO_CHAR.apply(descriptor) ->
CompareToCharIntrinsic
CHAR_COMPARE_TO.apply(descriptor) ->
CompareCharToPrimitiveIntrinsic
PRIMITIVE_COMPARE_TO.apply(descriptor) ->
CompareToIntrinsic
else ->
CompareToFunctionIntrinsic
}
}
}