azalea/kotlin-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Minor. Reduced code duplication.

Browse Source
This commit is contained in:
Evgeny Gerashchenko
2015-01-21 19:10:11 +03:00
parent 2ef9634091
commit a797f4a328
1 changed files with 25 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files
idea/src/org/jetbrains/kotlin/idea/inspections/UnusedSymbolInspection.kt
+25 -72
View File
@@ -80,84 +80,37 @@ public class UnusedSymbolInspection : AbstractKotlinInspection() {
}
}
override fun visitClass(klass: JetClass) {
if (klass.getName() == null) return
override fun visitNamedDeclaration(declaration: JetNamedDeclaration) {
val messageKey = when (declaration) {
is JetClass -> "unused.class"
is JetNamedFunction -> "unused.function"
is JetProperty, is JetParameter -> "unused.property"
is JetTypeParameter -> "unused.type.parameter"
else -> return
}
if (klass is JetEnumEntry) return
if (isEntryPoint(klass)) return
if (hasNonTrivialUsages(klass)) return
if (classHasTextUsages(klass)) return
holder.registerProblem(
klass.getNameIdentifier(),
JetBundle.message("unused.class", klass.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
createQuickFix(klass)
)
}
override fun visitNamedFunction(function: JetNamedFunction) {
if (function.getName() == null) return
if (function.hasModifier(JetTokens.OVERRIDE_KEYWORD)) return
if (isEntryPoint(function)) return
if (isConventionalName(function)) return
if (hasNonTrivialUsages(function)) return
holder.registerProblem(
function.getNameIdentifier(),
JetBundle.message("unused.function", function.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
createQuickFix(function)
)
}
override fun visitProperty(property: JetProperty) {
if (property.getName() == null) return
if (property.isLocal()) return
if (property.hasModifier(JetTokens.OVERRIDE_KEYWORD)) return
if (hasNonTrivialUsages(property)) return
holder.registerProblem(
property.getNameIdentifier(),
JetBundle.message("unused.property", property.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
createQuickFix(property)
)
}
override fun visitParameter(parameter: JetParameter) {
if (parameter.getName() == null) return
if (parameter.getParent()?.getParent() !is JetClass || !parameter.hasValOrVarNode()) return
// Simple PSI-based checks
if (declaration.getName() == null) return
if (declaration is JetEnumEntry) return
if (declaration.hasModifier(JetTokens.OVERRIDE_KEYWORD)) return
if (declaration is JetProperty && declaration.isLocal()) return
if (declaration is JetParameter && (declaration.getParent()?.getParent() !is JetClass || !declaration.hasValOrVarNode())) return
if (declaration is JetNamedFunction && isConventionalName(declaration)) return
// More expensive, resolve-based checks
if (isEntryPoint(declaration)) return
// properties can be referred by component1/component2, which is too expensive to search, don't mark them as unused
if (parameter.dataClassComponentFunctionName() != null) return
if (declaration is JetParameter && declaration.dataClassComponentFunctionName() != null) return
if (parameter.hasModifier(JetTokens.OVERRIDE_KEYWORD)) return
if (hasNonTrivialUsages(parameter)) return
// Main checks: finding reference usages && text usages
if (hasNonTrivialUsages(declaration)) return
if (declaration is JetClass && classHasTextUsages(declaration)) return
holder.registerProblem(
parameter.getNameIdentifier(),
JetBundle.message("unused.property", parameter.getName()),
declaration.getNameIdentifier(),
JetBundle.message(messageKey, declaration.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
createQuickFix(parameter)
)
}
override fun visitTypeParameter(parameter: JetTypeParameter) {
if (parameter.getName() == null) return
if (hasNonTrivialUsages(parameter)) return
holder.registerProblem(
parameter.getNameIdentifier(),
JetBundle.message("unused.type.parameter", parameter.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL,
createQuickFix(parameter)
createQuickFix(declaration)
)
}
}
@@ -167,7 +120,7 @@ public class UnusedSymbolInspection : AbstractKotlinInspection() {
val lightElement: PsiElement? = when (declaration) {
is JetClass -> declaration.toLightClass()
is JetNamedFunction -> LightClassUtil.getLightClassMethod(declaration)
else -> null
else -> return false
}
return lightElement != null && javaInspection.isEntryPoint(lightElement)
}