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Use multi host injector for Kotlin injection (KT-6610)

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#KT-6610 In Progress
This commit is contained in:
Nikolay Krasko
2017-05-12 19:04:16 +03:00
parent 0551659281
commit 2f1a40a40d
2 changed files with 38 additions and 11 deletions
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idea/src/META-INF/injection.xml
+1 -1
View File
@@ -1,6 +1,6 @@
<idea-plugin>
<extensions defaultExtensionNs="com.intellij">
<languageInjector implementation="org.jetbrains.kotlin.idea.injection.KotlinLanguageInjector"/>
<multiHostInjector implementation="org.jetbrains.kotlin.idea.injection.KotlinLanguageInjector"/>
<regExpLanguageHost forClass="org.jetbrains.kotlin.psi.KtStringTemplateExpression"
implementationClass="com.intellij.psi.impl.JavaRegExpHost"/>
idea/src/org/jetbrains/kotlin/idea/injection/KotlinLanguageInjector.kt
+37 -10
View File
@@ -17,10 +17,14 @@
package org.jetbrains.kotlin.idea.injection
import com.intellij.codeInsight.AnnotationUtil
import com.intellij.lang.injection.MultiHostInjector
import com.intellij.lang.injection.MultiHostRegistrar
import com.intellij.openapi.progress.ProgressManager
import com.intellij.openapi.project.Project
import com.intellij.openapi.util.TextRange
import com.intellij.psi.*
import com.intellij.psi.PsiAnnotation
import com.intellij.psi.PsiElement
import com.intellij.psi.PsiMethod
import com.intellij.psi.PsiReference
import com.intellij.psi.search.LocalSearchScope
import com.intellij.psi.search.searches.ReferencesSearch
import com.intellij.psi.util.PsiTreeUtil
@@ -40,7 +44,7 @@ import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
import java.util.*
import kotlin.collections.ArrayList
class KotlinLanguageInjector : LanguageInjector {
class KotlinLanguageInjector : MultiHostInjector {
companion object {
private val STRING_LITERALS_REGEXP = "\"([^\"]*)\"".toRegex()
}
@@ -49,16 +53,22 @@ class KotlinLanguageInjector : LanguageInjector {
ArrayList(InjectorUtils.getActiveInjectionSupports()).filterIsInstance(KotlinLanguageInjectionSupport::class.java).firstOrNull()
}
override fun getLanguagesToInject(host: PsiLanguageInjectionHost, injectionPlacesRegistrar: InjectedLanguagePlaces) {
if (!host.isValidHost) return
val ktHost: KtElement = host as? KtElement ?: return
override fun getLanguagesToInject(registrar: MultiHostRegistrar, context: PsiElement) {
val ktHost: KtStringTemplateExpression = context as? KtStringTemplateExpression ?: return
if (!context.isValidHost) return
val support = kotlinSupport ?: return
if (!ProjectRootsUtil.isInProjectOrLibSource(ktHost)) return
val injectionInfo = findInjectionInfo(host) ?: return
val injectionInfo = findInjectionInfo(context) ?: return
InjectorUtils.getLanguageByString(injectionInfo.languageId) ?: return
val language = InjectorUtils.getLanguageByString(injectionInfo.languageId) ?: return
injectionPlacesRegistrar.addPlace(language, TextRange.from(0, ktHost.textLength), injectionInfo.prefix, injectionInfo.suffix)
InjectorUtils.registerInjectionSimple(ktHost, injectionInfo.toBaseInjection(support)!!, support, registrar)
}
override fun elementsToInjectIn(): List<Class<out PsiElement>> {
return listOf(KtStringTemplateExpression::class.java)
}
private fun findInjectionInfo(place: KtElement, originalHost: Boolean = true): InjectionInfo? {
@@ -226,7 +236,24 @@ class KotlinLanguageInjector : LanguageInjector {
return Configuration.getProjectInstance(project).advancedConfiguration.dfaOption == Configuration.DfaOption.OFF
}
private class InjectionInfo(val languageId: String?, val prefix: String?, val suffix: String?)
private class InjectionInfo(val languageId: String?, val prefix: String?, val suffix: String?) {
fun toBaseInjection(injectionSupport: KotlinLanguageInjectionSupport): BaseInjection? {
if (languageId == null) return null
val baseInjection = BaseInjection(injectionSupport.id)
baseInjection.injectedLanguageId = languageId
if (prefix != null) {
baseInjection.prefix = prefix
}
if (suffix != null) {
baseInjection.suffix = suffix
}
return baseInjection
}
}
private fun processAnnotationInjectionInner(annotations: Array<PsiAnnotation>): InjectionInfo? {
val id = AnnotationUtilEx.calcAnnotationValue(annotations, "value")