src/main/kotlin/platform/mixin/completion/MixinLookupItem.kt diff

← → edited src/main/kotlin/platform/mixin/completion/MixinLookupItem.kt

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⁠ joe: 2025

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/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2024 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.platform.mixin.completion

import com.demonwav.mcdev.platform.mixin.action.disableAnnotationWrapping
import com.demonwav.mcdev.platform.mixin.action.insertShadows
import com.demonwav.mcdev.platform.mixin.util.FieldTargetMember
import com.demonwav.mcdev.platform.mixin.util.MethodTargetMember
import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember
import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceField
import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceMethod
import com.demonwav.mcdev.util.findContainingClass
import com.demonwav.mcdev.util.shortName
import com.intellij.codeInsight.completion.InsertionContext
import com.intellij.codeInsight.completion.JavaMethodCallElement
import com.intellij.codeInsight.hint.HintManager
import com.intellij.codeInsight.lookup.LookupElement
import com.intellij.codeInsight.lookup.VariableLookupItem
import com.intellij.openapi.project.Project
import com.intellij.psi.PsiField
import com.intellij.psi.PsiMember
import com.intellij.psi.PsiMethod
import com.intellij.psi.PsiVariable
import com.intellij.psi.impl.source.PostprocessReformattingAspect

fun MixinTargetMember.createLookupElement(project: Project): LookupElement {
return when (this) {
is MethodTargetMember -> MixinMethodLookupItem.create(project, this)
is FieldTargetMember -> MixinFieldLookupItem.create(project, this)
}
}

private class MixinMethodLookupItem(private val shadow: MethodTargetMember, private val method: PsiMethod) :
JavaMethodCallElement(method) {

override fun handleInsert(context: InsertionContext) {
insertShadow(context, shadow, method)
super.handleInsert(context)
}

companion object {
fun create(project: Project, shadow: MethodTargetMember): MixinMethodLookupItem {
val psiMethod = shadow.classAndMethod.method.findOrConstructSourceMethod(
shadow.classAndMethod.clazz,
project,
canDecompile = false,
)
return MixinMethodLookupItem(shadow, psiMethod)
}
}
}

private class MixinFieldLookupItem(
private val shadow: FieldTargetMember,
private val field: PsiField,
) : VariableLookupItem(field) {

override fun handleInsert(context: InsertionContext) {
insertShadow(context, shadow, field)

// Replace object with proxy object so super doesn't qualify the reference
`object` = ShadowField(`object`)
super.handleInsert(context)
}

private class ShadowField(variable: PsiVariable) : PsiVariable by variable

companion object {
fun create(project: Project, shadow: FieldTargetMember): MixinFieldLookupItem {
val psiField = shadow.classAndField.field.findOrConstructSourceField(
shadow.classAndField.clazz,
project,
canDecompile = false,
)
return MixinFieldLookupItem(shadow, psiField)
}
}
}

private fun insertShadow(context: InsertionContext, shadow: MixinTargetMember, element: PsiMember) {
val mixinClass = shadow.mixin ?: context.file.findElementAt(context.startOffset)?.findContainingClass() ?: return

// Insert @Shadow element
insertShadows(context.project, mixinClass, sequenceOf(element))
disableAnnotationWrapping(context.project) {
PostprocessReformattingAspect.getInstance(context.project).doPostponedFormatting()
}

if (shadow.mixin == null) {
context.commitDocument()
} else {
context.setLaterRunnable {
HintManager.getInstance().showInformationHint(
context.editor,
"Added @Shadow for '${element.name}' to super Mixin ${mixinClass.shortName}",
)
}
}
}

/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2025 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.platform.mixin.completion

import com.demonwav.mcdev.platform.mixin.action.disableAnnotationWrapping
import com.demonwav.mcdev.platform.mixin.action.insertShadows
import com.demonwav.mcdev.platform.mixin.util.FieldTargetMember
import com.demonwav.mcdev.platform.mixin.util.MethodTargetMember
import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember
import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceField
import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceMethod
import com.demonwav.mcdev.util.findContainingClass
import com.demonwav.mcdev.util.shortName
import com.intellij.codeInsight.completion.InsertionContext
import com.intellij.codeInsight.completion.JavaMethodCallElement
import com.intellij.codeInsight.hint.HintManager
import com.intellij.codeInsight.lookup.LookupElement
import com.intellij.codeInsight.lookup.VariableLookupItem
import com.intellij.openapi.project.Project
import com.intellij.psi.PsiField
import com.intellij.psi.PsiMember
import com.intellij.psi.PsiMethod
import com.intellij.psi.PsiVariable
import com.intellij.psi.impl.source.PostprocessReformattingAspect

fun MixinTargetMember.createLookupElement(project: Project): LookupElement {
return when (this) {
is MethodTargetMember -> MixinMethodLookupItem.create(project, this)
is FieldTargetMember -> MixinFieldLookupItem.create(project, this)
}
}

private class MixinMethodLookupItem(private val shadow: MethodTargetMember, private val method: PsiMethod) :
JavaMethodCallElement(method) {

override fun handleInsert(context: InsertionContext) {
insertShadow(context, shadow, method)
super.handleInsert(context)
}

companion object {
fun create(project: Project, shadow: MethodTargetMember): MixinMethodLookupItem {
val psiMethod = shadow.classAndMethod.method.findOrConstructSourceMethod(
shadow.classAndMethod.clazz,
project,
canDecompile = false,
)
return MixinMethodLookupItem(shadow, psiMethod)
}
}
}

private class MixinFieldLookupItem(
private val shadow: FieldTargetMember,
private val field: PsiField,
) : VariableLookupItem(field) {

override fun handleInsert(context: InsertionContext) {
insertShadow(context, shadow, field)

// Replace object with proxy object so super doesn't qualify the reference
`object` = ShadowField(`object`)
super.handleInsert(context)
}

private class ShadowField(variable: PsiVariable) : PsiVariable by variable

companion object {
fun create(project: Project, shadow: FieldTargetMember): MixinFieldLookupItem {
val psiField = shadow.classAndField.field.findOrConstructSourceField(
shadow.classAndField.clazz,
project,
canDecompile = false,
)
return MixinFieldLookupItem(shadow, psiField)
}
}
}

private fun insertShadow(context: InsertionContext, shadow: MixinTargetMember, element: PsiMember) {
val mixinClass = shadow.mixin ?: context.file.findElementAt(context.startOffset)?.findContainingClass() ?: return

// Insert @Shadow element
insertShadows(context.project, mixinClass, sequenceOf(element))
disableAnnotationWrapping(context.project) {
PostprocessReformattingAspect.getInstance(context.project).doPostponedFormatting()
}

if (shadow.mixin == null) {
context.commitDocument()
} else {
context.setLaterRunnable {
HintManager.getInstance().showInformationHint(
context.editor,
"Added @Shadow for '${element.name}' to super Mixin ${mixinClass.shortName}",
)
}
}
}

/* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2024 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.platform.mixin.completion import com.demonwav.mcdev.platform.mixin.action.disableAnnotationWrapping import com.demonwav.mcdev.platform.mixin.action.insertShadows import com.demonwav.mcdev.platform.mixin.util.FieldTargetMember import com.demonwav.mcdev.platform.mixin.util.MethodTargetMember import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceField import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceMethod import com.demonwav.mcdev.util.findContainingClass import com.demonwav.mcdev.util.shortName import com.intellij.codeInsight.completion.InsertionContext import com.intellij.codeInsight.completion.JavaMethodCallElement import com.intellij.codeInsight.hint.HintManager import com.intellij.codeInsight.lookup.LookupElement import com.intellij.codeInsight.lookup.VariableLookupItem import com.intellij.openapi.project.Project import com.intellij.psi.PsiField import com.intellij.psi.PsiMember import com.intellij.psi.PsiMethod import com.intellij.psi.PsiVariable import com.intellij.psi.impl.source.PostprocessReformattingAspect fun MixinTargetMember.createLookupElement(project: Project): LookupElement { return when (this) { is MethodTargetMember -> MixinMethodLookupItem.create(project, this) is FieldTargetMember -> MixinFieldLookupItem.create(project, this) } } private class MixinMethodLookupItem(private val shadow: MethodTargetMember, private val method: PsiMethod) : JavaMethodCallElement(method) { override fun handleInsert(context: InsertionContext) { insertShadow(context, shadow, method) super.handleInsert(context) } companion object { fun create(project: Project, shadow: MethodTargetMember): MixinMethodLookupItem { val psiMethod = shadow.classAndMethod.method.findOrConstructSourceMethod( shadow.classAndMethod.clazz, project, canDecompile = false, ) return MixinMethodLookupItem(shadow, psiMethod) } } } private class MixinFieldLookupItem( private val shadow: FieldTargetMember, private val field: PsiField, ) : VariableLookupItem(field) { override fun handleInsert(context: InsertionContext) { insertShadow(context, shadow, field) // Replace object with proxy object so super doesn't qualify the reference `object` = ShadowField(`object`) super.handleInsert(context) } private class ShadowField(variable: PsiVariable) : PsiVariable by variable companion object { fun create(project: Project, shadow: FieldTargetMember): MixinFieldLookupItem { val psiField = shadow.classAndField.field.findOrConstructSourceField( shadow.classAndField.clazz, project, canDecompile = false, ) return MixinFieldLookupItem(shadow, psiField) } } } private fun insertShadow(context: InsertionContext, shadow: MixinTargetMember, element: PsiMember) { val mixinClass = shadow.mixin ?: context.file.findElementAt(context.startOffset)?.findContainingClass() ?: return // Insert @Shadow element insertShadows(context.project, mixinClass, sequenceOf(element)) disableAnnotationWrapping(context.project) { PostprocessReformattingAspect.getInstance(context.project).doPostponedFormatting() } if (shadow.mixin == null) { context.commitDocument() } else { context.setLaterRunnable { HintManager.getInstance().showInformationHint( context.editor, "Added @Shadow for '${element.name}' to super Mixin ${mixinClass.shortName}", ) } } } /* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2025 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.platform.mixin.completion import com.demonwav.mcdev.platform.mixin.action.disableAnnotationWrapping import com.demonwav.mcdev.platform.mixin.action.insertShadows import com.demonwav.mcdev.platform.mixin.util.FieldTargetMember import com.demonwav.mcdev.platform.mixin.util.MethodTargetMember import com.demonwav.mcdev.platform.mixin.util.MixinTargetMember import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceField import com.demonwav.mcdev.platform.mixin.util.findOrConstructSourceMethod import com.demonwav.mcdev.util.findContainingClass import com.demonwav.mcdev.util.shortName import com.intellij.codeInsight.completion.InsertionContext import com.intellij.codeInsight.completion.JavaMethodCallElement import com.intellij.codeInsight.hint.HintManager import com.intellij.codeInsight.lookup.LookupElement import com.intellij.codeInsight.lookup.VariableLookupItem import com.intellij.openapi.project.Project import com.intellij.psi.PsiField import com.intellij.psi.PsiMember import com.intellij.psi.PsiMethod import com.intellij.psi.PsiVariable import com.intellij.psi.impl.source.PostprocessReformattingAspect fun MixinTargetMember.createLookupElement(project: Project): LookupElement { return when (this) { is MethodTargetMember -> MixinMethodLookupItem.create(project, this) is FieldTargetMember -> MixinFieldLookupItem.create(project, this) } } private class MixinMethodLookupItem(private val shadow: MethodTargetMember, private val method: PsiMethod) : JavaMethodCallElement(method) { override fun handleInsert(context: InsertionContext) { insertShadow(context, shadow, method) super.handleInsert(context) } companion object { fun create(project: Project, shadow: MethodTargetMember): MixinMethodLookupItem { val psiMethod = shadow.classAndMethod.method.findOrConstructSourceMethod( shadow.classAndMethod.clazz, project, canDecompile = false, ) return MixinMethodLookupItem(shadow, psiMethod) } } } private class MixinFieldLookupItem( private val shadow: FieldTargetMember, private val field: PsiField, ) : VariableLookupItem(field) { override fun handleInsert(context: InsertionContext) { insertShadow(context, shadow, field) // Replace object with proxy object so super doesn't qualify the reference `object` = ShadowField(`object`) super.handleInsert(context) } private class ShadowField(variable: PsiVariable) : PsiVariable by variable companion object { fun create(project: Project, shadow: FieldTargetMember): MixinFieldLookupItem { val psiField = shadow.classAndField.field.findOrConstructSourceField( shadow.classAndField.clazz, project, canDecompile = false, ) return MixinFieldLookupItem(shadow, psiField) } } } private fun insertShadow(context: InsertionContext, shadow: MixinTargetMember, element: PsiMember) { val mixinClass = shadow.mixin ?: context.file.findElementAt(context.startOffset)?.findContainingClass() ?: return // Insert @Shadow element insertShadows(context.project, mixinClass, sequenceOf(element)) disableAnnotationWrapping(context.project) { PostprocessReformattingAspect.getInstance(context.project).doPostponedFormatting() } if (shadow.mixin == null) { context.commitDocument() } else { context.setLaterRunnable { HintManager.getInstance().showInformationHint( context.editor, "Added @Shadow for '${element.name}' to super Mixin ${mixinClass.shortName}", ) } } }

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