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Minor. Clean up the code in OperatorChecker.kt

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This commit is contained in:
Andrey Breslav
2015-12-09 13:57:24 +03:00
parent 3eeab68261
commit 0a0e4f1ba2
2 changed files with 17 additions and 17 deletions
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core/descriptors/src/org/jetbrains/kotlin/util/OperatorChecker.kt
+16 -17
View File
@@ -42,12 +42,10 @@ import org.jetbrains.kotlin.util.OperatorNameConventions.INC
import org.jetbrains.kotlin.util.OperatorNameConventions.INVOKE
import org.jetbrains.kotlin.util.OperatorNameConventions.ITERATOR
import org.jetbrains.kotlin.util.OperatorNameConventions.NEXT
import org.jetbrains.kotlin.util.OperatorNameConventions.NOT
import org.jetbrains.kotlin.util.OperatorNameConventions.RANGE_TO
import org.jetbrains.kotlin.util.OperatorNameConventions.SET
import org.jetbrains.kotlin.util.OperatorNameConventions.SET_VALUE
import org.jetbrains.kotlin.util.OperatorNameConventions.UNARY_MINUS
import org.jetbrains.kotlin.util.OperatorNameConventions.UNARY_PLUS
import org.jetbrains.kotlin.util.OperatorNameConventions.SIMPLE_UNARY_OPERATION_NAMES
object OperatorChecks {
fun canBeOperator(functionDescriptor: FunctionDescriptor): Boolean {
@@ -62,38 +60,39 @@ object OperatorChecks {
val lastIsOk = valueParameters.lastOrNull()?.let { !it.hasDefaultValue() && it.varargElementType == null } ?: false
valueParameters.size >= 2 && lastIsOk
}
GET_VALUE == name -> noDefaultsAndVarargs && valueParameters.size >= 2 && valueParameters[1].isKProperty
SET_VALUE == name -> noDefaultsAndVarargs && valueParameters.size >= 3 && valueParameters[1].isKProperty
INVOKE == name -> isMemberOrExtension
CONTAINS == name -> singleValueParameter && noDefaultsAndVarargs && returnsBoolean
ITERATOR == name -> noValueParameters
NEXT == name -> noValueParameters
HAS_NEXT == name -> noValueParameters && returnsBoolean
RANGE_TO == name -> singleValueParameter && noDefaultsAndVarargs
EQUALS == name -> {
fun DeclarationDescriptor.isAny() = (this as? ClassDescriptor)?.let { KotlinBuiltIns.isAny(it) } ?: false
isMember && overriddenDescriptors.any { it.containingDeclaration.isAny() }
}
COMPARE_TO == name -> returnsInt && singleValueParameter && noDefaultsAndVarargs
BINARY_OPERATION_NAMES.any { it == name } ->
singleValueParameter && noDefaultsAndVarargs
(UNARY_PLUS == name) || (UNARY_MINUS == name) || (NOT == name) ->
noValueParameters
(INC == name) || (DEC == name) -> {
name in BINARY_OPERATION_NAMES -> singleValueParameter && noDefaultsAndVarargs
name in SIMPLE_UNARY_OPERATION_NAMES -> noValueParameters
INC == name || DEC == name -> {
val receiver = dispatchReceiverParameter ?: extensionReceiverParameter
isMemberOrExtension && (receiver != null) && (returnType?.let { it.isSubtypeOf(receiver.type) } ?: false)
}
ASSIGNMENT_OPERATIONS.any { it == name } ->
name in ASSIGNMENT_OPERATIONS ->
returnsUnit && singleValueParameter && noDefaultsAndVarargs
name.asString().matches(COMPONENT_REGEX) -> noValueParameters
else -> false
}
}
core/descriptors/src/org/jetbrains/kotlin/util/OperatorNameConventions.kt
+1
View File
@@ -65,6 +65,7 @@ object OperatorNameConventions {
val UNARY_OPERATION_NAMES_WITH_DEPRECATED = Collections.unmodifiableSet(setOf(INC, DEC, UNARY_PLUS, PLUS, UNARY_MINUS, MINUS, NOT))
internal val UNARY_OPERATION_NAMES = setOf(INC, DEC, UNARY_PLUS, UNARY_MINUS, NOT)
internal val SIMPLE_UNARY_OPERATION_NAMES = setOf(UNARY_PLUS, UNARY_MINUS, NOT)
internal val BINARY_OPERATION_NAMES = setOf(TIMES, PLUS, MINUS, DIV, MOD, RANGE_TO)
internal val ASSIGNMENT_OPERATIONS = setOf(TIMES_ASSIGN, DIV_ASSIGN, MOD_ASSIGN, PLUS_ASSIGN, MINUS_ASSIGN)