src/main/kotlin/platform/mixin/expression/MEExpressionCompletionContributor.kt diff

← → edited src/main/kotlin/platform/mixin/expression/MEExpressionCompletionContributor.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.expression

import com.intellij.codeInsight.TailType
import com.intellij.codeInsight.TailTypes
import com.intellij.codeInsight.completion.BasicExpressionCompletionContributor
import com.intellij.codeInsight.completion.CompletionContributor
import com.intellij.codeInsight.completion.CompletionParameters
import com.intellij.codeInsight.completion.CompletionProvider
import com.intellij.codeInsight.completion.CompletionResultSet
import com.intellij.codeInsight.completion.CompletionType
import com.intellij.codeInsight.completion.InsertionContext
import com.intellij.codeInsight.lookup.LookupElement
import com.intellij.codeInsight.lookup.TailTypeDecorator
import com.intellij.util.ProcessingContext

class MEExpressionCompletionContributor : CompletionContributor() {
init {
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.STATEMENT_KEYWORD_PLACE,
KeywordCompletionProvider(
Keyword("return", TailTypes.insertSpaceType()),
Keyword("throw", TailTypes.insertSpaceType()),
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.VALUE_KEYWORD_PLACE,
KeywordCompletionProvider(
Keyword("this"),
Keyword("super"),
Keyword("true"),
Keyword("false"),
Keyword("null"),
Keyword("new", TailTypes.insertSpaceType()),
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.CLASS_PLACE,
KeywordCompletionProvider(
Keyword("class")
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.INSTANCEOF_PLACE,
KeywordCompletionProvider(
Keyword("instanceof", TailTypes.insertSpaceType())
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.METHOD_REFERENCE_PLACE,
KeywordCompletionProvider(
Keyword("new")
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.STRING_LITERAL_PLACE,
object : CompletionProvider<CompletionParameters>() {
override fun addCompletions(
parameters: CompletionParameters,
context: ProcessingContext,
result: CompletionResultSet
) {
result.addAllElements(
MEExpressionCompletionUtil.getStringCompletions(
parameters.originalFile.project,
parameters.position
)
)
}
}
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.FROM_BYTECODE_PLACE,
object : CompletionProvider<CompletionParameters>() {
override fun addCompletions(
parameters: CompletionParameters,
context: ProcessingContext,
result: CompletionResultSet
) {
val project = parameters.originalFile.project
result.addAllElements(
MEExpressionCompletionUtil.getCompletionVariantsFromBytecode(project, parameters.position)
)
}
}
)
}

private class KeywordCompletionProvider(
private vararg val keywords: Keyword,
) : CompletionProvider<CompletionParameters>() {
override fun addCompletions(
parameters: CompletionParameters,
context: ProcessingContext,
result: CompletionResultSet
) {
result.addAllElements(
keywords.map { keyword ->
var lookupItem =
BasicExpressionCompletionContributor.createKeywordLookupItem(parameters.position, keyword.name)
if (keyword.tailType != TailTypes.noneType()) {
lookupItem = object : TailTypeDecorator<LookupElement>(lookupItem) {
override fun computeTailType(context: InsertionContext?) = keyword.tailType
}
}
lookupItem
}
)
}
}

private class Keyword(val name: String, val tailType: TailType = TailTypes.noneType())
}

/*
* 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.expression

import com.intellij.codeInsight.TailType
import com.intellij.codeInsight.TailTypes
import com.intellij.codeInsight.completion.BasicExpressionCompletionContributor
import com.intellij.codeInsight.completion.CompletionContributor
import com.intellij.codeInsight.completion.CompletionParameters
import com.intellij.codeInsight.completion.CompletionProvider
import com.intellij.codeInsight.completion.CompletionResultSet
import com.intellij.codeInsight.completion.CompletionType
import com.intellij.codeInsight.completion.InsertionContext
import com.intellij.codeInsight.lookup.LookupElement
import com.intellij.codeInsight.lookup.TailTypeDecorator
import com.intellij.util.ProcessingContext

class MEExpressionCompletionContributor : CompletionContributor() {
init {
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.STATEMENT_KEYWORD_PLACE,
KeywordCompletionProvider(
Keyword("return", TailTypes.insertSpaceType()),
Keyword("throw", TailTypes.insertSpaceType()),
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.VALUE_KEYWORD_PLACE,
KeywordCompletionProvider(
Keyword("this"),
Keyword("super"),
Keyword("true"),
Keyword("false"),
Keyword("null"),
Keyword("new", TailTypes.insertSpaceType()),
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.CLASS_PLACE,
KeywordCompletionProvider(
Keyword("class")
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.INSTANCEOF_PLACE,
KeywordCompletionProvider(
Keyword("instanceof", TailTypes.insertSpaceType())
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.METHOD_REFERENCE_PLACE,
KeywordCompletionProvider(
Keyword("new")
)
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.STRING_LITERAL_PLACE,
object : CompletionProvider<CompletionParameters>() {
override fun addCompletions(
parameters: CompletionParameters,
context: ProcessingContext,
result: CompletionResultSet
) {
result.addAllElements(
MEExpressionCompletionUtil.getStringCompletions(
parameters.originalFile.project,
parameters.position
)
)
}
}
)
extend(
CompletionType.BASIC,
MEExpressionCompletionUtil.FROM_BYTECODE_PLACE,
object : CompletionProvider<CompletionParameters>() {
override fun addCompletions(
parameters: CompletionParameters,
context: ProcessingContext,
result: CompletionResultSet
) {
val project = parameters.originalFile.project
result.addAllElements(
MEExpressionCompletionUtil.getCompletionVariantsFromBytecode(project, parameters.position)
)
}
}
)
}

private class KeywordCompletionProvider(
private vararg val keywords: Keyword,
) : CompletionProvider<CompletionParameters>() {
override fun addCompletions(
parameters: CompletionParameters,
context: ProcessingContext,
result: CompletionResultSet
) {
result.addAllElements(
keywords.map { keyword ->
var lookupItem =
BasicExpressionCompletionContributor.createKeywordLookupItem(parameters.position, keyword.name)
if (keyword.tailType != TailTypes.noneType()) {
lookupItem = object : TailTypeDecorator<LookupElement>(lookupItem) {
override fun computeTailType(context: InsertionContext?) = keyword.tailType
}
}
lookupItem
}
)
}
}

private class Keyword(val name: String, val tailType: TailType = TailTypes.noneType())
}

/* * 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.expression import com.intellij.codeInsight.TailType import com.intellij.codeInsight.TailTypes import com.intellij.codeInsight.completion.BasicExpressionCompletionContributor import com.intellij.codeInsight.completion.CompletionContributor import com.intellij.codeInsight.completion.CompletionParameters import com.intellij.codeInsight.completion.CompletionProvider import com.intellij.codeInsight.completion.CompletionResultSet import com.intellij.codeInsight.completion.CompletionType import com.intellij.codeInsight.completion.InsertionContext import com.intellij.codeInsight.lookup.LookupElement import com.intellij.codeInsight.lookup.TailTypeDecorator import com.intellij.util.ProcessingContext class MEExpressionCompletionContributor : CompletionContributor() { init { extend( CompletionType.BASIC, MEExpressionCompletionUtil.STATEMENT_KEYWORD_PLACE, KeywordCompletionProvider( Keyword("return", TailTypes.insertSpaceType()), Keyword("throw", TailTypes.insertSpaceType()), ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.VALUE_KEYWORD_PLACE, KeywordCompletionProvider( Keyword("this"), Keyword("super"), Keyword("true"), Keyword("false"), Keyword("null"), Keyword("new", TailTypes.insertSpaceType()), ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.CLASS_PLACE, KeywordCompletionProvider( Keyword("class") ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.INSTANCEOF_PLACE, KeywordCompletionProvider( Keyword("instanceof", TailTypes.insertSpaceType()) ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.METHOD_REFERENCE_PLACE, KeywordCompletionProvider( Keyword("new") ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.STRING_LITERAL_PLACE, object : CompletionProvider<CompletionParameters>() { override fun addCompletions( parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet ) { result.addAllElements( MEExpressionCompletionUtil.getStringCompletions( parameters.originalFile.project, parameters.position ) ) } } ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.FROM_BYTECODE_PLACE, object : CompletionProvider<CompletionParameters>() { override fun addCompletions( parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet ) { val project = parameters.originalFile.project result.addAllElements( MEExpressionCompletionUtil.getCompletionVariantsFromBytecode(project, parameters.position) ) } } ) } private class KeywordCompletionProvider( private vararg val keywords: Keyword, ) : CompletionProvider<CompletionParameters>() { override fun addCompletions( parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet ) { result.addAllElements( keywords.map { keyword -> var lookupItem = BasicExpressionCompletionContributor.createKeywordLookupItem(parameters.position, keyword.name) if (keyword.tailType != TailTypes.noneType()) { lookupItem = object : TailTypeDecorator<LookupElement>(lookupItem) { override fun computeTailType(context: InsertionContext?) = keyword.tailType } } lookupItem } ) } } private class Keyword(val name: String, val tailType: TailType = TailTypes.noneType()) } /* * 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.expression import com.intellij.codeInsight.TailType import com.intellij.codeInsight.TailTypes import com.intellij.codeInsight.completion.BasicExpressionCompletionContributor import com.intellij.codeInsight.completion.CompletionContributor import com.intellij.codeInsight.completion.CompletionParameters import com.intellij.codeInsight.completion.CompletionProvider import com.intellij.codeInsight.completion.CompletionResultSet import com.intellij.codeInsight.completion.CompletionType import com.intellij.codeInsight.completion.InsertionContext import com.intellij.codeInsight.lookup.LookupElement import com.intellij.codeInsight.lookup.TailTypeDecorator import com.intellij.util.ProcessingContext class MEExpressionCompletionContributor : CompletionContributor() { init { extend( CompletionType.BASIC, MEExpressionCompletionUtil.STATEMENT_KEYWORD_PLACE, KeywordCompletionProvider( Keyword("return", TailTypes.insertSpaceType()), Keyword("throw", TailTypes.insertSpaceType()), ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.VALUE_KEYWORD_PLACE, KeywordCompletionProvider( Keyword("this"), Keyword("super"), Keyword("true"), Keyword("false"), Keyword("null"), Keyword("new", TailTypes.insertSpaceType()), ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.CLASS_PLACE, KeywordCompletionProvider( Keyword("class") ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.INSTANCEOF_PLACE, KeywordCompletionProvider( Keyword("instanceof", TailTypes.insertSpaceType()) ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.METHOD_REFERENCE_PLACE, KeywordCompletionProvider( Keyword("new") ) ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.STRING_LITERAL_PLACE, object : CompletionProvider<CompletionParameters>() { override fun addCompletions( parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet ) { result.addAllElements( MEExpressionCompletionUtil.getStringCompletions( parameters.originalFile.project, parameters.position ) ) } } ) extend( CompletionType.BASIC, MEExpressionCompletionUtil.FROM_BYTECODE_PLACE, object : CompletionProvider<CompletionParameters>() { override fun addCompletions( parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet ) { val project = parameters.originalFile.project result.addAllElements( MEExpressionCompletionUtil.getCompletionVariantsFromBytecode(project, parameters.position) ) } } ) } private class KeywordCompletionProvider( private vararg val keywords: Keyword, ) : CompletionProvider<CompletionParameters>() { override fun addCompletions( parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet ) { result.addAllElements( keywords.map { keyword -> var lookupItem = BasicExpressionCompletionContributor.createKeywordLookupItem(parameters.position, keyword.name) if (keyword.tailType != TailTypes.noneType()) { lookupItem = object : TailTypeDecorator<LookupElement>(lookupItem) { override fun computeTailType(context: InsertionContext?) = keyword.tailType } } lookupItem } ) } } private class Keyword(val name: String, val tailType: TailType = TailTypes.noneType()) }

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