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feat: Allow viewing the full compiler diagnostic in a readonly textview

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This commit is contained in:
Lukas Wirth 2022-11-18 19:47:45 +01:00
parent e162d5800a
commit 073a63b93e
6 changed files with 84 additions and 12 deletions
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42
editors/code/src/client.ts
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@ -4,7 +4,7 @@ import * as ra from "../src/lsp_ext";
import * as Is from "vscode-languageclient/lib/common/utils/is";
import { assert } from "./util";
import { WorkspaceEdit } from "vscode";
import { substituteVSCodeVariables } from "./config";
import { Config, substituteVSCodeVariables } from "./config";
import { randomUUID } from "crypto";
export interface Env {
@ -66,7 +66,8 @@ export async function createClient(
traceOutputChannel: vscode.OutputChannel,
outputChannel: vscode.OutputChannel,
initializationOptions: vscode.WorkspaceConfiguration,
serverOptions: lc.ServerOptions
serverOptions: lc.ServerOptions,
config: Config
): Promise<lc.LanguageClient> {
const clientOptions: lc.LanguageClientOptions = {
documentSelector: [{ scheme: "file", language: "rust" }],
@ -99,6 +100,43 @@ export async function createClient(
}
},
},
async handleDiagnostics(
uri: vscode.Uri,
diagnostics: vscode.Diagnostic[],
next: lc.HandleDiagnosticsSignature
) {
const preview = config.previewRustcOutput;
diagnostics.forEach((diag, idx) => {
// Abuse the fact that VSCode leaks the LSP diagnostics data field through the
// Diagnostic class, if they ever break this we are out of luck and have to go
// back to the worst diagnostics experience ever:)
// We encode the rendered output of a rustc diagnostic in the rendered field of
// the data payload of the lsp diagnostic. If that field exists, overwrite the
// diagnostic code such that clicking it opens the diagnostic in a readonly
// text editor for easy inspection
const rendered = (diag as unknown as { data?: { rendered?: string } }).data
?.rendered;
if (rendered) {
if (preview) {
const index = rendered.match(/^(note|help):/m)?.index || 0;
diag.message = rendered
.substring(0, index)
.replace(/^ -->[^\n]+\n/m, "");
}
diag.code = {
target: vscode.Uri.from({
scheme: "rust-analyzer-diagnostics-view",
path: "/diagnostic message",
fragment: uri.toString(),
query: idx.toString(),
}),
value: "Click for full compiler diagnostic",
};
}
});
return next(uri, diagnostics);
},
async provideHover(
document: vscode.TextDocument,
position: vscode.Position,