/*
* Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.psi.psiUtil
import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.psi.KtPsiUtil
import org.jetbrains.kotlin.psi.KtSimpleNameExpression
fun checkReservedPrefixWord(sink: DiagnosticSink, element: PsiElement, word: String, message: String) {
KtPsiUtil.getPreviousWord(element, word)?.let {
sink.report(Errors.UNSUPPORTED.on(it, message))
}
}
fun checkReservedYield(expression: KtSimpleNameExpression?, sink: DiagnosticSink) {
// do not force identifier calculation for elements from stubs.
if (expression?.getReferencedName() != "yield") return
val identifier = expression.getIdentifier() ?: return
if (identifier.node.elementType == KtTokens.IDENTIFIER && "yield" == identifier.text) {
sink.report(Errors.YIELD_IS_RESERVED.on(identifier, "Identifier 'yield' is reserved. Use backticks to call it: `yield`"))
}
}
val MESSAGE_FOR_YIELD_BEFORE_LAMBDA = "Reserved yield block/lambda. Use 'yield() { ... }' or 'yield(fun...)'"
fun checkReservedYieldBeforeLambda(element: PsiElement, sink: DiagnosticSink) {
KtPsiUtil.getPreviousWord(element, "yield")?.let {
sink.report(Errors.YIELD_IS_RESERVED.on(it, MESSAGE_FOR_YIELD_BEFORE_LAMBDA))
}
}