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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| 'use strict' | ||
|
|
||
| import vscode = require('vscode'); | ||
| import { CodeLensProvider, SymbolInformation, SymbolKind, TextDocument, CancellationToken, CodeLens, Range, Command, Location, commands } from 'vscode'; | ||
| import { documentSymbols, GoDocumentSymbolProvider } from './goOutline'; | ||
| import { GoReferenceProvider } from "./goReferences"; | ||
|
|
||
| export class GoCodeLensProvider implements CodeLensProvider { | ||
| public provideCodeLenses(document: TextDocument, token: CancellationToken): CodeLens[] | Thenable<CodeLens[]> { | ||
| let codelensEnabled = vscode.workspace.getConfiguration('go').get('referencesCodeLens.enabled'); | ||
| if (!codelensEnabled) { | ||
| return Promise.resolve([]); | ||
| } | ||
|
|
||
| return this.provideDocumentSymbols(document, token).then(symbols => { | ||
| let symbolReferences = symbols.map(symbol => this.provideSymbolReferences(document, symbol, token)); | ||
| return Promise.all(symbolReferences).then(values => { | ||
| let codelenses = []; | ||
| values.forEach(lens => { | ||
| if (lens) { | ||
| codelenses.push(lens); | ||
| } | ||
| }); | ||
| return codelenses; | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| private provideDocumentSymbols(document: TextDocument, token: CancellationToken): Thenable<vscode.SymbolInformation[]> { | ||
| let symbolProvider = new GoDocumentSymbolProvider(); | ||
| return symbolProvider.provideDocumentSymbols(document, token).then(symbols => { | ||
| return symbols.filter(symbol => | ||
| symbol.kind === vscode.SymbolKind.Function || | ||
| symbol.kind === vscode.SymbolKind.Interface) | ||
| }); | ||
| } | ||
|
|
||
| private provideSymbolReferences(document: TextDocument, symbol: SymbolInformation, token: CancellationToken): Thenable<CodeLens> { | ||
| if (token.isCancellationRequested) { | ||
| return Promise.resolve(null); | ||
| } | ||
|
|
||
| let options = { | ||
| includeDeclaration: false | ||
| }; | ||
| let position = symbol.location.range.start; | ||
| if (symbol.kind === vscode.SymbolKind.Function) { | ||
| position = position.translate(0, 5); | ||
| } | ||
| let referenceProvider = new GoReferenceProvider(); | ||
| return referenceProvider.doFindReferences(document, position, options, token).then(references => { | ||
| if (!references) { | ||
| return Promise.resolve(null); | ||
| } | ||
|
|
||
| let showReferences: Command = { | ||
| title: references.length === 1 | ||
| ? '1 reference' | ||
| : references.length + ' references', | ||
| command: 'editor.action.showReferences', | ||
| arguments: [document.uri, position, references] | ||
| }; | ||
| return new CodeLens(symbol.location.range, showReferences); | ||
| }); | ||
| } | ||
| } |
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