org.jetbrains.kotlin.resolve.InlineParameterChecker.kt Maven / Gradle / Ivy
/*
* 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
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.KtFunction
import org.jetbrains.kotlin.psi.KtParameter
object InlineParameterChecker : DeclarationChecker {
override fun check(declaration: KtDeclaration,
descriptor: DeclarationDescriptor,
diagnosticHolder: DiagnosticSink,
bindingContext: BindingContext
) {
if (declaration is KtFunction) {
val inline = declaration.hasModifier(KtTokens.INLINE_KEYWORD)
for (parameter in declaration.valueParameters) {
val parameterDescriptor = bindingContext.get(BindingContext.VALUE_PARAMETER, parameter)
if (!inline || (parameterDescriptor != null && !KotlinBuiltIns.isFunctionOrExtensionFunctionType(parameterDescriptor.type))) {
parameter.reportIncorrectInline(KtTokens.NOINLINE_KEYWORD, diagnosticHolder)
parameter.reportIncorrectInline(KtTokens.CROSSINLINE_KEYWORD, diagnosticHolder)
}
}
}
}
private fun KtParameter.reportIncorrectInline(modifierToken: KtModifierKeywordToken, diagnosticHolder: DiagnosticSink) {
val modifier = modifierList?.getModifier(modifierToken)
modifier?.let {
diagnosticHolder.report(Errors.ILLEGAL_INLINE_PARAMETER_MODIFIER.on(modifier, modifierToken))
}
}
}