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276 changes: 276 additions & 0 deletions
276
...tellij/plugin/powershell/ide/editor/completion/PowerShellDebuggerCompletionContributor.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| package com.intellij.plugin.powershell.ide.editor.completion | ||
|
|
||
| import com.intellij.codeInsight.completion.* | ||
| import com.intellij.codeInsight.completion.impl.CamelHumpMatcher | ||
| import com.intellij.codeInsight.completion.util.ParenthesesInsertHandler | ||
| import com.intellij.codeInsight.lookup.AutoCompletionPolicy | ||
| import com.intellij.codeInsight.lookup.LookupElement | ||
| import com.intellij.codeInsight.lookup.LookupElementBuilder | ||
| import com.intellij.openapi.application.runWriteAction | ||
| import com.intellij.openapi.application.writeAction | ||
| import com.intellij.openapi.progress.runBlockingCancellable | ||
| import com.intellij.openapi.rd.util.withUiContext | ||
| import com.intellij.openapi.util.Key | ||
| import com.intellij.openapi.util.text.StringUtil | ||
| import com.intellij.openapi.vfs.findDocument | ||
| import com.intellij.patterns.ElementPattern | ||
| import com.intellij.patterns.PatternCondition | ||
| import com.intellij.patterns.PlatformPatterns.psiElement | ||
| import com.intellij.patterns.StandardPatterns.or | ||
| import com.intellij.plugin.powershell.ide.debugger.PowerShellDebugProcess | ||
| import com.intellij.plugin.powershell.ide.debugger.documentSessionKey | ||
| import com.intellij.plugin.powershell.ide.resolve.* | ||
| import com.intellij.plugin.powershell.ide.search.PowerShellComponentType | ||
| import com.intellij.plugin.powershell.lang.lsp.ide.EditorEventManager | ||
| import com.intellij.plugin.powershell.lang.lsp.psi.LSPWrapperPsiElementImpl | ||
| import com.intellij.plugin.powershell.lang.lsp.util.DocumentUtils.offsetToLSPPos | ||
| import com.intellij.plugin.powershell.psi.* | ||
| import com.intellij.plugin.powershell.psi.types.PowerShellClassType | ||
| import com.intellij.plugin.powershell.psi.types.PowerShellType | ||
| import com.intellij.psi.PsiDocumentManager | ||
| import com.intellij.psi.PsiElement | ||
| import com.intellij.psi.PsiNamedElement | ||
| import com.intellij.psi.ResolveState | ||
| import com.intellij.psi.impl.source.resolve.ResolveCache | ||
| import com.intellij.psi.tree.IElementType | ||
| import com.intellij.psi.util.PsiTreeUtil | ||
| import com.intellij.testFramework.utils.vfs.getDocument | ||
| import com.intellij.util.ProcessingContext | ||
| import com.intellij.xdebugger.XDebugSession | ||
| import kotlinx.coroutines.runBlocking | ||
| import org.eclipse.lsp4j.CompletionItem | ||
| import org.eclipse.lsp4j.CompletionItemKind | ||
| import org.eclipse.lsp4j.TextDocumentIdentifier | ||
|
|
||
| private val IS_BRACED_VARIABLE_CONTEXT: Key<Boolean> = Key.create("IS_BRACED_VARIABLE_CONTEXT") | ||
| private val IS_VARIABLE_CONTEXT: Key<Boolean> = Key.create("IS_VARIABLE_CONTEXT") | ||
| private val PUT_VARIABLE_CONTEXT: PatternCondition<PsiElement> = | ||
| object : PatternCondition<PsiElement>("In variable") { | ||
| override fun accepts(t: PsiElement, context: ProcessingContext): Boolean { | ||
| context.put(IS_VARIABLE_CONTEXT, true) | ||
| context.put(IS_BRACED_VARIABLE_CONTEXT, t.node.elementType === PowerShellTypes.BRACED_ID) | ||
| return true | ||
| } | ||
| } | ||
| private val TYPE_REFERENCE: ElementPattern<PsiElement> = | ||
| psiElement().withParent(PowerShellReferenceTypeElement::class.java) | ||
| private val VARIABLE: ElementPattern<PsiElement> = psiElement().withParent(PowerShellIdentifier::class.java) | ||
| .withSuperParent(2, PowerShellVariable::class.java).with(PUT_VARIABLE_CONTEXT) | ||
|
|
||
| class PowerShellDebuggerCompletionContributor : CompletionContributor() { | ||
|
|
||
| override fun beforeCompletion(context: CompletionInitializationContext) { | ||
| //context.dummyIdentifier = CompletionUtilCore.DUMMY_IDENTIFIER_TRIMMED | ||
| super.beforeCompletion(context) | ||
| } | ||
|
|
||
| override fun fillCompletionVariants(parameters: CompletionParameters, result: CompletionResultSet) { | ||
| val debugSession = parameters.editor.document.getUserData(documentSessionKey) ?: return | ||
| val debugProcess = debugSession.debugProcess as PowerShellDebugProcess | ||
|
|
||
| @Suppress("UnstableApiUsage") val gotResultFromHost = runBlockingCancellable { | ||
| getCompletionFromLanguageHost(parameters, result, debugSession) | ||
| } | ||
| if (gotResultFromHost) return | ||
| super.fillCompletionVariants(parameters, result) | ||
| } | ||
|
|
||
| private suspend fun getCompletionFromLanguageHost(parameters: CompletionParameters, result: CompletionResultSet, xDebugSession: XDebugSession): Boolean { | ||
| val position = parameters.position | ||
| val offset = parameters.offset | ||
| val editor = parameters.editor | ||
| val manager = EditorEventManager.forEditor(editor) | ||
| if (manager != null) { | ||
| val serverPos = offsetToLSPPos(editor, offset) | ||
| val toAdd2 = manager.completion(serverPos) | ||
| val psiFile = position.containingFile | ||
| ?: PsiDocumentManager.getInstance(position.project).getPsiFile(editor.document) | ||
| if (toAdd2.items.isNotEmpty()) { | ||
| val newResult = adjustPrefixMatcher(result) | ||
| for (item in toAdd2.items) { | ||
| newResult.addElement(createLookupItem(item, position, psiFile ?: position)) | ||
| } | ||
| if (cmdNameCondition.accepts(position, null)) { | ||
| PowerShellTokenTypeSets.KEYWORDS.types.forEach { keyword -> newResult.addElement(buildKeyword(keyword)) } | ||
| } else if (typeBody.accepts(position)) { | ||
| addTypeBodyKeywords(newResult) | ||
| } | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| private fun adjustPrefixMatcher(result: CompletionResultSet): CompletionResultSet { | ||
| var prefix = result.prefixMatcher.prefix | ||
| val lastDotIndex = prefix.indexOfLast { c -> c == '.' } | ||
| if (lastDotIndex > 0 && lastDotIndex + 1 <= prefix.length) { | ||
| prefix = prefix.drop(lastDotIndex + 1) | ||
| } | ||
| return result.withPrefixMatcher(CamelHumpMatcher(prefix, false)) | ||
| } | ||
|
|
||
| private val cmdNameCondition = object : PatternCondition<PsiElement>("Command Name Condition") { | ||
| override fun accepts(element: PsiElement, context: ProcessingContext?): Boolean { | ||
| return PsiTreeUtil.getParentOfType(element, PowerShellCommandName::class.java, true, PowerShellBlockBody::class.java) != null | ||
| } | ||
| } | ||
|
|
||
| private val commandName: ElementPattern<PsiElement> = psiElement().withParent(PowerShellIdentifier::class.java) | ||
| .withSuperParent(2, PowerShellCommandName::class.java) | ||
| private val memberAccess: ElementPattern<PsiElement> = psiElement().withParent(PowerShellReferenceIdentifier::class.java) | ||
| .withSuperParent(2, or( | ||
| psiElement(PowerShellMemberAccessExpression::class.java), | ||
| psiElement(PowerShellInvocationExpression::class.java) | ||
| ) | ||
| ).with(PUT_VARIABLE_CONTEXT) | ||
| private val typeBody: ElementPattern<PsiElement> = psiElement().withParent(PowerShellBlockBody::class.java) | ||
| .withSuperParent(2, PowerShellTypeDeclaration::class.java) | ||
|
|
||
| init { | ||
| extend(CompletionType.BASIC, commandName, | ||
| object : CompletionProvider<CompletionParameters>() { | ||
| override fun addCompletions(parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet) { | ||
| val ref = PsiTreeUtil.getContextOfType(parameters.position.context, PowerShellReferencePsiElement::class.java) | ||
| ?: return | ||
| val elements = ResolveCache.getInstance(parameters.originalFile.project) | ||
| .resolveWithCaching(ref, PowerShellComponentResolveProcessor.INSTANCE, true, true) ?: emptyList() | ||
|
|
||
| elements.forEach { e -> | ||
| result.addElement(buildLookupElement(e, context)) | ||
| if (e is PowerShellVariable) { | ||
| addFunctionCall(result, e) | ||
| } | ||
| } | ||
| PowerShellTokenTypeSets.KEYWORDS.types.forEach { keyword -> result.addElement(buildKeyword(keyword)) } | ||
| } | ||
| }) | ||
|
|
||
| extend(CompletionType.BASIC, VARIABLE, | ||
| object : CompletionProvider<CompletionParameters>() { | ||
| override fun addCompletions(parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet) { | ||
| val ref = PsiTreeUtil.getContextOfType(parameters.position.context, PowerShellReferencePsiElement::class.java) | ||
| ?: return | ||
| val elements = ResolveCache.getInstance(parameters.originalFile.project) | ||
| .resolveWithCaching(ref, PowerShellComponentResolveProcessor.INSTANCE, true, true) ?: emptyList() | ||
|
|
||
| elements.filterIsInstance<PowerShellVariable>().forEach { result.addElement(buildLookupElement(it, context)) } | ||
| result.addElement(buildKeyword(PowerShellTypes.THIS)) | ||
| } | ||
| }) | ||
|
|
||
| extend(CompletionType.BASIC, memberAccess, | ||
| object : CompletionProvider<CompletionParameters>() { | ||
| override fun addCompletions(parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet) { | ||
| val expr = PsiTreeUtil.getContextOfType(parameters.position.context, PowerShellMemberAccessExpression::class.java) | ||
| ?: return | ||
| val qType = expr.qualifier?.getType() | ||
| if (qType != null && qType != PowerShellType.UNKNOWN) { | ||
| val membersProcessor = PowerShellMemberScopeProcessor() | ||
| PowerShellResolveUtil.processMembersForType(qType, membersProcessor) | ||
| val res = membersProcessor.getResult() | ||
| res.map { it.element }.filter { it !is PowerShellConstructorDeclarationStatement }.forEach { result.addElement(buildLookupElement(it, context)) } | ||
| if (expr.isTypeMemberAccess()) { | ||
| addCallNew(result, qType) | ||
| } | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| extend(CompletionType.BASIC, TYPE_REFERENCE, | ||
| object : CompletionProvider<CompletionParameters>() { | ||
| override fun addCompletions(parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet) { | ||
| val ref = PsiTreeUtil.getContextOfType(parameters.position, PowerShellReferenceTypeElement::class.java) | ||
| ?: return | ||
| val resolveProcessor = PowerShellClassScopeProcessor() | ||
| PsiTreeUtil.treeWalkUp(resolveProcessor, ref, null, ResolveState.initial()) | ||
| resolveProcessor.getResult().map { it.element }.forEach { result.addElement(buildLookupElement(it, context)) } | ||
| } | ||
| }) | ||
|
|
||
| extend(CompletionType.BASIC, typeBody, | ||
| object : CompletionProvider<CompletionParameters>() { | ||
| override fun addCompletions(parameters: CompletionParameters, context: ProcessingContext, result: CompletionResultSet) { | ||
| addTypeBodyKeywords(result) | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| private fun addTypeBodyKeywords(result: CompletionResultSet) { | ||
| result.addElement(buildKeyword("$${PowerShellTypes.THIS}")) | ||
| result.addElement(buildKeyword(PowerShellTypes.STATIC)) | ||
| result.addElement(buildKeyword(PowerShellTypes.HIDDEN)) | ||
| } | ||
|
|
||
| private fun addFunctionCall(result: CompletionResultSet, variable: PowerShellVariable) { | ||
| if (PsNames.NAMESPACE_FUNCTION.equals(variable.getScopeName(), true)) { | ||
| result.addElement(buildCall(variable.name ?: variable.text)) | ||
| } | ||
| } | ||
|
|
||
| private fun buildCall(name: String) = LookupElementBuilder.create(name).withIcon(PowerShellComponentType.FUNCTION.getIcon()) | ||
|
|
||
| private fun addCallNew(result: CompletionResultSet, qualifierType: PowerShellType) { | ||
| if (qualifierType !is PowerShellClassType) return | ||
| val resolved = qualifierType.resolve() as? PowerShellClassDeclaration ?: return | ||
| var e = LookupElementBuilder.create("new").withIcon(PowerShellComponentType.METHOD.getIcon()) | ||
| e = if (PowerShellResolveUtil.hasDefaultConstructor(resolved)) { | ||
| e.withInsertHandler(ParenthesesInsertHandler.NO_PARAMETERS) | ||
| } else { | ||
| e.withInsertHandler(ParenthesesInsertHandler.WITH_PARAMETERS) | ||
| } | ||
| result.addElement(e) | ||
| } | ||
|
|
||
| private fun buildKeyword(kw: IElementType): LookupElement { | ||
| return buildKeyword(kw.toString()) | ||
| } | ||
|
|
||
| private fun buildKeyword(kw: String): LookupElement { | ||
| return LookupElementBuilder.create(kw.lowercase()).bold() | ||
| } | ||
|
|
||
| private fun buildLookupElement(e: PsiElement, context: ProcessingContext): LookupElement { | ||
| val icon = e.getIcon(0) | ||
| return when (e) { | ||
| is PowerShellVariable -> { | ||
| val lookupString = getVariableLookupString(context, e) | ||
| LookupElementBuilder.create(e, lookupString).withIcon(icon).withPresentableText(lookupString) | ||
| } | ||
| is PowerShellCallableDeclaration -> LookupElementBuilder.create(e).withIcon(icon).withInsertHandler(ParenthesesInsertHandler.WITH_PARAMETERS) | ||
| is PowerShellComponent -> LookupElementBuilder.create(e).withIcon(icon) | ||
| else -> LookupElementBuilder.create(e) | ||
| } | ||
| } | ||
|
|
||
| private fun getVariableLookupString(context: ProcessingContext, e: PowerShellVariable): String { | ||
| return if (context.get(IS_VARIABLE_CONTEXT) == true) { | ||
| if (e.isBracedVariable() && context.get(IS_BRACED_VARIABLE_CONTEXT) == false) { | ||
| (e.presentation.presentableText ?: e.text).trimStart('$') | ||
| } else | ||
| e.name ?: e.text | ||
| } else { | ||
| e.presentation.presentableText ?: e.text | ||
| } | ||
| } | ||
|
|
||
|
|
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| private fun createLookupItem(item: CompletionItem, position: PsiElement, parent: PsiElement): LookupElement { | ||
| val insertText = item.insertText | ||
| val kind = item.kind | ||
| val label = item.label | ||
| val presentableText = if (StringUtil.isNotEmpty(label)) label else insertText ?: "" | ||
| val tailText = item.detail ?: "" | ||
| val isCompletingType = TYPE_REFERENCE.accepts(position) | ||
| val lspElement = LSPWrapperPsiElementImpl(item, parent) | ||
| if (isCompletingType) { | ||
| lspElement.setType(PowerShellComponentType.CLASS) | ||
| } | ||
| var builder: LookupElementBuilder = LookupElementBuilder.create(lspElement as PsiNamedElement).withIcon(lspElement.presentation.getIcon(false)) | ||
| if (lspElement.getType() == PowerShellComponentType.METHOD) { | ||
| builder = builder.withInsertHandler(ParenthesesInsertHandler.WITH_PARAMETERS) | ||
| } | ||
| if (kind == CompletionItemKind.Keyword) builder = builder.withBoldness(true) | ||
| return builder.withPresentableText(presentableText).appendTailText(" $tailText", true).withAutoCompletionPolicy(AutoCompletionPolicy.SETTINGS_DEPENDENT) | ||
| } | ||
| } |
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