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Merge pull request #172 from ayame113/add-call-hierarchy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| import type * as atomIde from "atom-ide-base" | ||
| import Convert from "../convert" | ||
| import * as Utils from "../utils" | ||
| import { SymbolTag } from "../languageclient" | ||
| import type { LanguageClientConnection, ServerCapabilities, CallHierarchyItem } from "../languageclient" | ||
| import type { CancellationTokenSource } from "vscode-jsonrpc" | ||
| import type { Point, TextEditor } from "atom" | ||
|
|
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| import OutlineViewAdapter from "./outline-view-adapter" | ||
|
|
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| const cancellationTokens = new WeakMap<LanguageClientConnection, CancellationTokenSource>() | ||
|
|
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| /** | ||
| * Public: Determine whether this adapter can be used to adapt a language server based on the serverCapabilities matrix | ||
| * containing a callHierarchyProvider. | ||
| * | ||
| * @param serverCapabilities The {ServerCapabilities} of the language server to consider. | ||
| * @returns A {Boolean} indicating adapter can adapt the server based on the given serverCapabilities. | ||
| */ | ||
| export function canAdapt(serverCapabilities: ServerCapabilities): boolean { | ||
| return Boolean(serverCapabilities.callHierarchyProvider) | ||
| } | ||
|
|
||
| /** | ||
| * Public: Obtain the relationship between calling and called functions hierarchically. Corresponds to lsp's | ||
| * CallHierarchyPrepareRequest. | ||
| * | ||
| * @param connection A {LanguageClientConnection} to the language server that provides highlights. | ||
| * @param editor The Atom {TextEditor} containing the text associated with the calling. | ||
| * @param position The Atom {Point} associated with the calling. | ||
| * @param type The hierarchy type either incoming or outgoing. | ||
| * @returns A {Promise} of an {CallHierarchy}. | ||
| */ | ||
| export async function getCallHierarchy<T extends atomIde.CallHierarchyType>( | ||
| connection: LanguageClientConnection, | ||
| editor: TextEditor, | ||
| point: Point, | ||
| type: T | ||
| ): Promise<atomIde.CallHierarchy<T>> { | ||
| const results = await Utils.doWithCancellationToken(connection, cancellationTokens, (cancellationToken) => | ||
| connection.prepareCallHierarchy( | ||
| { | ||
| textDocument: Convert.editorToTextDocumentIdentifier(editor), | ||
| position: Convert.pointToPosition(point), | ||
| }, | ||
| cancellationToken | ||
| ) | ||
| ) | ||
| return <CallHierarchyForAdapter<T>>{ | ||
| type, | ||
| data: results?.map(convertCallHierarchyItem) ?? [], | ||
| itemAt(num: number) { | ||
| if (type === "incoming") { | ||
| return <Promise<atomIde.CallHierarchy<T>>>getIncoming(this.connection, this.data[num].rawData) | ||
| } else { | ||
| return <Promise<atomIde.CallHierarchy<T>>>getOutgoing(this.connection, this.data[num].rawData) | ||
| } | ||
| }, | ||
| connection, | ||
| } | ||
| } | ||
|
|
||
| /** Corresponds to lsp's CallHierarchyIncomingCallsRequest. */ | ||
| async function getIncoming( | ||
| connection: LanguageClientConnection, | ||
| item: CallHierarchyItem | ||
| ): Promise<atomIde.CallHierarchy<"incoming">> { | ||
| const results = await Utils.doWithCancellationToken(connection, cancellationTokens, (_cancellationToken) => | ||
| connection.callHierarchyIncomingCalls({ item }) | ||
| ) | ||
| return <CallHierarchyForAdapter<"incoming">>{ | ||
| type: "incoming", | ||
| data: results?.map((res) => convertCallHierarchyItem(res.from)) ?? [], | ||
| itemAt(num: number) { | ||
| return getIncoming(this.connection, this.data[num].rawData) | ||
| }, | ||
| connection, | ||
| } | ||
| } | ||
| /** Corresponds to lsp's CallHierarchyOutgoingCallsRequest. */ | ||
| async function getOutgoing( | ||
| connection: LanguageClientConnection, | ||
| item: CallHierarchyItem | ||
| ): Promise<atomIde.CallHierarchy<"outgoing">> { | ||
| const results = await Utils.doWithCancellationToken(connection, cancellationTokens, (_cancellationToken) => | ||
| connection.callHierarchyOutgoingCalls({ item }) | ||
| ) | ||
| return <CallHierarchyForAdapter<"outgoing">>{ | ||
| type: "outgoing", | ||
| data: results?.map((res) => convertCallHierarchyItem(res.to)) ?? [], | ||
| itemAt(num: number) { | ||
| return getOutgoing(this.connection, this.data[num].rawData) | ||
| }, | ||
| connection, | ||
| } | ||
| } | ||
|
|
||
| function convertCallHierarchyItem(rawData: CallHierarchyItem): CallHierarchyItemForAdapter { | ||
| return { | ||
| path: Convert.uriToPath(rawData.uri), | ||
| name: rawData.name, | ||
| icon: OutlineViewAdapter.symbolKindToEntityKind(rawData.kind) ?? undefined, | ||
| tags: rawData.tags | ||
| ? [ | ||
| ...rawData.tags.reduce((set, tag) => { | ||
| // filter out null and remove duplicates | ||
| const entity = symbolTagToEntityKind(tag) | ||
| return entity === null ? set : set.add(entity) | ||
| }, new Set<atomIde.SymbolTagKind>()), | ||
| ] | ||
| : [], | ||
| detail: rawData.detail, | ||
| range: Convert.lsRangeToAtomRange(rawData.range), | ||
| selectionRange: Convert.lsRangeToAtomRange(rawData.selectionRange), | ||
| rawData, | ||
| } | ||
| } | ||
|
|
||
| function symbolTagToEntityKind(symbol: number): atomIde.SymbolTagKind | null { | ||
| switch (symbol) { | ||
| case SymbolTag.Deprecated: | ||
| return "deprecated" | ||
| default: | ||
| return null | ||
| } | ||
| } | ||
|
|
||
| /** Extend CallHierarchy to include properties used inside the adapter */ | ||
| interface CallHierarchyForAdapter<T extends atomIde.CallHierarchyType> extends atomIde.CallHierarchy<T> { | ||
| data: CallHierarchyItemForAdapter[] | ||
| connection: LanguageClientConnection | ||
| } | ||
|
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| /** Extend CallHierarchyItem to include properties used inside the adapter */ | ||
| interface CallHierarchyItemForAdapter extends atomIde.CallHierarchyItem { | ||
| rawData: CallHierarchyItem | ||
| } |
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