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Optimize entry point check in UnusedSymbolInspection

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It helps to avoid return types calculation for light-class element
This commit is contained in:
Denis Zharkov
2017-11-23 16:18:25 +03:00
parent dd3dbda719
commit 5e334550eb
1 changed files with 4 additions and 0 deletions
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idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt
+4
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@@ -69,6 +69,7 @@ import org.jetbrains.kotlin.idea.search.usagesSearch.getAccessorNames
import org.jetbrains.kotlin.idea.search.usagesSearch.getClassNameForCompanionObject import org.jetbrains.kotlin.idea.search.usagesSearch.getClassNameForCompanionObject
import org.jetbrains.kotlin.idea.util.ProjectRootsUtil import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
import org.jetbrains.kotlin.lexer.KtTokens import org.jetbrains.kotlin.lexer.KtTokens
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.psi.* import org.jetbrains.kotlin.psi.*
import org.jetbrains.kotlin.psi.psiUtil.* import org.jetbrains.kotlin.psi.psiUtil.*
import org.jetbrains.kotlin.resolve.DescriptorUtils import org.jetbrains.kotlin.resolve.DescriptorUtils
@@ -83,8 +84,11 @@ import javax.swing.JPanel
class UnusedSymbolInspection : AbstractKotlinInspection() { class UnusedSymbolInspection : AbstractKotlinInspection() {
companion object { companion object {
private val javaInspection = UnusedDeclarationInspection() private val javaInspection = UnusedDeclarationInspection()
private val MAIN_NAMES = setOf("main", "premain", "agentmain")
fun isEntryPoint(declaration: KtNamedDeclaration): Boolean { fun isEntryPoint(declaration: KtNamedDeclaration): Boolean {
if (declaration.annotationEntries.isEmpty() && declaration.name !in MAIN_NAMES) return false
val lightElement: PsiElement? = when (declaration) { val lightElement: PsiElement? = when (declaration) {
is KtClassOrObject -> declaration.toLightClass() is KtClassOrObject -> declaration.toLightClass()
is KtNamedFunction, is KtSecondaryConstructor -> LightClassUtil.getLightClassMethod(declaration as KtFunction) is KtNamedFunction, is KtSecondaryConstructor -> LightClassUtil.getLightClassMethod(declaration as KtFunction)