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[NI] Don't forget to report error about mixing different kinds of args

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Also use more safe way to report errors: only if there is corresponding PSI element. This is not very useful for compiler, but in IDE we can get synthetic calls with null psi arguments
This commit is contained in:
Mikhail Zarechenskiy
2017-11-14 11:37:50 +03:00
parent 2aa8ceb005
commit 13ee0f8eda
1 changed files with 11 additions and 7 deletions
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compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/DiagnosticReporterByTrackingStrategy.kt
+11 -7
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@@ -104,25 +104,29 @@ class DiagnosticReporterByTrackingStrategy(
SmartCastDiagnostic::class.java -> reportSmartCast(diagnostic as SmartCastDiagnostic)
UnstableSmartCast::class.java -> reportUnstableSmartCast(diagnostic as UnstableSmartCast)
TooManyArguments::class.java -> {
val psiExpression = callArgument.psiExpression
if (psiExpression != null) {
trace.report(TOO_MANY_ARGUMENTS.on(psiExpression, (diagnostic as TooManyArguments).descriptor))
reportIfNonNull(callArgument.psiExpression) {
trace.report(TOO_MANY_ARGUMENTS.on(it, (diagnostic as TooManyArguments).descriptor))
}
trace.markAsReported()
}
VarargArgumentOutsideParentheses::class.java ->
trace.report(VARARG_OUTSIDE_PARENTHESES.on(callArgument.psiExpression!!))
reportIfNonNull(callArgument.psiExpression) { trace.report(VARARG_OUTSIDE_PARENTHESES.on(it)) }
SpreadArgumentToNonVarargParameter::class.java -> {
val spreadElement = callArgument.safeAs<ExpressionKotlinCallArgumentImpl>()?.valueArgument?.getSpreadElement()
if (spreadElement != null) {
trace.report(NON_VARARG_SPREAD.on(spreadElement))
}
reportIfNonNull(spreadElement) { trace.report(NON_VARARG_SPREAD.on(it)) }
}
MixingNamedAndPositionArguments::class.java ->
trace.report(MIXING_NAMED_AND_POSITIONED_ARGUMENTS.on(callArgument.psiCallArgument.valueArgument.asElement()))
}
}
private fun <T> reportIfNonNull(element: T?, report: (T) -> Unit) {
if (element != null) report(element)
}
override fun onCallArgumentName(callArgument: KotlinCallArgument, diagnostic: KotlinCallDiagnostic) {
val nameReference = callArgument.psiCallArgument.valueArgument.getArgumentName()?.referenceExpression ?:
error("Argument name should be not null for argument: $callArgument")