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FIR Completion: Move completion from available scopes to separate class

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This commit is contained in:
Roman Golyshev
2020-08-19 11:32:08 +03:00
parent 7f3f0faa1a
commit bca9754a7b
1 changed files with 33 additions and 28 deletions
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idea/idea-fir/src/org/jetbrains/kotlin/idea/completion/KotlinFirCompletionContributor.kt
+33 -28
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@@ -6,12 +6,12 @@
package org.jetbrains.kotlin.idea.completion
import com.intellij.codeInsight.completion.*
import com.intellij.codeInsight.lookup.LookupElementBuilder
import com.intellij.patterns.PlatformPatterns
import com.intellij.patterns.PsiJavaPatterns
import com.intellij.util.ProcessingContext
import org.jetbrains.kotlin.idea.frontend.api.getAnalysisSessionFor
import org.jetbrains.kotlin.idea.frontend.api.symbols.*
import org.jetbrains.kotlin.idea.frontend.api.symbols.KtCallableSymbol
import org.jetbrains.kotlin.idea.frontend.api.symbols.KtSymbol
import org.jetbrains.kotlin.idea.frontend.api.symbols.markers.KtNamedSymbol
import org.jetbrains.kotlin.idea.frontend.api.symbols.markers.KtPossibleExtensionSymbol
import org.jetbrains.kotlin.idea.frontend.api.symbols.markers.isExtension
@@ -30,11 +30,39 @@ class KotlinFirCompletionContributor : CompletionContributor() {
}
private object KotlinHighLevelApiContributor : CompletionProvider<CompletionParameters>() {
private val lookupElementFactory = HighLevelApiLookupElementFactory()
override fun addCompletions(parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet) {
if (shouldSuppressCompletion(parameters, result.prefixMatcher)) return
KotlinAvailableScopesCompletionContributor.collectCompletions(parameters, result)
}
private val AFTER_NUMBER_LITERAL = PsiJavaPatterns.psiElement().afterLeafSkipping(
PsiJavaPatterns.psiElement().withText(""),
PsiJavaPatterns.psiElement().withElementType(PsiJavaPatterns.elementType().oneOf(KtTokens.FLOAT_LITERAL, KtTokens.INTEGER_LITERAL))
)
private val AFTER_INTEGER_LITERAL_AND_DOT = PsiJavaPatterns.psiElement().afterLeafSkipping(
PsiJavaPatterns.psiElement().withText("."),
PsiJavaPatterns.psiElement().withElementType(PsiJavaPatterns.elementType().oneOf(KtTokens.INTEGER_LITERAL))
)
private fun shouldSuppressCompletion(parameters: CompletionParameters, prefixMatcher: PrefixMatcher): Boolean {
val position = parameters.position
val invocationCount = parameters.invocationCount
// no completion inside number literals
if (AFTER_NUMBER_LITERAL.accepts(position)) return true
// no completion auto-popup after integer and dot
if (invocationCount == 0 && prefixMatcher.prefix.isEmpty() && AFTER_INTEGER_LITERAL_AND_DOT.accepts(position)) return true
return false
}
}
private object KotlinAvailableScopesCompletionContributor {
private val lookupElementFactory = HighLevelApiLookupElementFactory()
fun collectCompletions(parameters: CompletionParameters, result: CompletionResultSet) {
val originalFile = parameters.originalFile as? KtFile ?: return
val reference = (parameters.position.parent as? KtSimpleNameExpression)?.mainReference ?: return
@@ -46,7 +74,7 @@ private object KotlinHighLevelApiContributor : CompletionProvider<CompletionPara
val (implicitScopes, implicitReceivers) = originalFile.getScopeContextForPosition(parameters.originalPosition, nameExpression)
val typeOfPossibleReceiver = possibleReceiver?.getKtType()
val possibleReceiverScope = typeOfPossibleReceiver?.let { it.getTypeScope() }
val possibleReceiverScope = typeOfPossibleReceiver?.getTypeScope()
fun addToCompletion(symbol: KtSymbol) {
if (symbol !is KtNamedSymbol) return
@@ -76,29 +104,6 @@ private object KotlinHighLevelApiContributor : CompletionProvider<CompletionPara
}
}
}
private val AFTER_NUMBER_LITERAL = PsiJavaPatterns.psiElement().afterLeafSkipping(
PsiJavaPatterns.psiElement().withText(""),
PsiJavaPatterns.psiElement().withElementType(PsiJavaPatterns.elementType().oneOf(KtTokens.FLOAT_LITERAL, KtTokens.INTEGER_LITERAL))
)
private val AFTER_INTEGER_LITERAL_AND_DOT = PsiJavaPatterns.psiElement().afterLeafSkipping(
PsiJavaPatterns.psiElement().withText("."),
PsiJavaPatterns.psiElement().withElementType(PsiJavaPatterns.elementType().oneOf(KtTokens.INTEGER_LITERAL))
)
private fun shouldSuppressCompletion(parameters: CompletionParameters, prefixMatcher: PrefixMatcher): Boolean {
val position = parameters.position
val invocationCount = parameters.invocationCount
// no completion inside number literals
if (AFTER_NUMBER_LITERAL.accepts(position)) return true
// no completion auto-popup after integer and dot
if (invocationCount == 0 && prefixMatcher.prefix.isEmpty() && AFTER_INTEGER_LITERAL_AND_DOT.accepts(position)) return true
return false
}
}
private fun KtCallableSymbol.canBeCalledWith(implicitReceivers: List<KtType>): Boolean {