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Add config for cargo-watch trace

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This commit is contained in:
Edwin Cheng 2019-04-02 13:07:40 +08:00
parent b84d0fc1a3
commit ee05eafe6c
5 changed files with 67 additions and 15 deletions
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1
docs/user/README.md
View File

@ -60,6 +60,7 @@ for details.
* `rust-analyzer.enableCargoWatchOnStartup`: prompt to install & enable `cargo
watch` for live error highlighting (note, this **does not** use rust-analyzer)
* `rust-analyzer.trace.server`: enables internal logging
* `rust-analyzer.trace.cargo-watch`: enables cargo-watch logging
## Emacs

11
editors/code/package.json
View File

@ -194,6 +194,17 @@
],
"default": "off",
"description": "Trace requests to the ra_lsp_server"
},
"rust-analyzer.trace.cargo-watch": {
"type": "string",
"scope": "window",
"enum": [
"off",
"error",
"verbose"
],
"default": "off",
"description": "Trace output of cargo-watch"
}
}
},

41
editors/code/src/commands/cargo_watch.ts
View File

@ -1,6 +1,7 @@
import * as child_process from 'child_process';
import * as path from 'path';
import * as vscode from 'vscode';
import { Server } from '../server';
import { terminate } from '../utils/processes';
import { StatusDisplay } from './watch_status';
@ -10,6 +11,7 @@ export class CargoWatchProvider {
private cargoProcess?: child_process.ChildProcess;
private outBuffer: string = '';
private statusDisplay?: StatusDisplay;
private outputChannel?: vscode.OutputChannel;
public activate(subscriptions: vscode.Disposable[]) {
subscriptions.push(this);
@ -18,7 +20,10 @@ export class CargoWatchProvider {
);
this.statusDisplay = new StatusDisplay(subscriptions);
this.outputChannel = vscode.window.createOutputChannel(
'Cargo Watch Trace'
);
// Start the cargo watch with json message
this.cargoProcess = child_process.spawn(
'cargo',
@ -31,17 +36,23 @@ export class CargoWatchProvider {
);
this.cargoProcess.stdout.on('data', (s: string) => {
this.processOutput(s);
console.log(s);
this.processOutput(s, (line) => {
this.logInfo(line);
this.parseLine(line);
});
});
this.cargoProcess.stderr.on('data', (s: string) => {
console.error('Error on cargo watch : ' + s);
this.processOutput(s, (line) => {
this.logError('Error on cargo-watch : {\n' + line + '}\n' );
});
});
this.cargoProcess.on('error', (err: Error) => {
console.error('Error on spawn cargo process : ' + err);
this.logError('Error on cargo-watch process : {\n' + err.message + '}\n');
});
this.logInfo('cargo-watch started.');
}
public dispose(): void {
@ -54,6 +65,22 @@ export class CargoWatchProvider {
this.cargoProcess.kill();
terminate(this.cargoProcess);
}
if(this.outputChannel) {
this.outputChannel.dispose();
}
}
private logInfo(line: string) {
if (Server.config.cargoWatchOptions.trace === 'verbose') {
this.outputChannel!.append(line);
}
}
private logError(line: string) {
if (Server.config.cargoWatchOptions.trace === 'error' || Server.config.cargoWatchOptions.trace === 'verbose' ) {
this.outputChannel!.append(line);
}
}
private parseLine(line: string) {
@ -124,14 +151,14 @@ export class CargoWatchProvider {
}
}
private processOutput(chunk: string) {
private processOutput(chunk: string, cb: (line: string) => void ) {
// The stdout is not line based, convert it to line based for proceess.
this.outBuffer += chunk;
let eolIndex = this.outBuffer.indexOf('\n');
while (eolIndex >= 0) {
// line includes the EOL
const line = this.outBuffer.slice(0, eolIndex + 1);
this.parseLine(line);
cb(line);
this.outBuffer = this.outBuffer.slice(eolIndex + 1);
eolIndex = this.outBuffer.indexOf('\n');

4
editors/code/src/commands/runnables.ts
View File

@ -137,11 +137,11 @@ export async function handleSingle(runnable: Runnable) {
export async function interactivelyStartCargoWatch(
context: vscode.ExtensionContext
) {
if (Server.config.enableCargoWatchOnStartup === 'disabled') {
if (Server.config.cargoWatchOptions.enableOnStartup === 'disabled') {
return;
}
if (Server.config.enableCargoWatchOnStartup === 'ask') {
if (Server.config.cargoWatchOptions.enableOnStartup === 'ask') {
const watch = await vscode.window.showInformationMessage(
'Start watching changes with cargo? (Executes `cargo watch`, provides inline diagnostics)',
'yes',

25
editors/code/src/config.ts
View File

@ -4,14 +4,20 @@ import { Server } from './server';
const RA_LSP_DEBUG = process.env.__RA_LSP_SERVER_DEBUG;
export type CargoWatchOptions = 'ask' | 'enabled' | 'disabled';
export type CargoWatchStartupOptions = 'ask' | 'enabled' | 'disabled';
export type CargoWatchTraceOptions = 'off' | 'error' | 'verbose';
export interface CargoWatchOptions {
enableOnStartup: CargoWatchStartupOptions,
trace: CargoWatchTraceOptions,
};
export class Config {
public highlightingOn = true;
public enableEnhancedTyping = true;
public raLspServerPath = RA_LSP_DEBUG || 'ra_lsp_server';
public showWorkspaceLoadedNotification = true;
public enableCargoWatchOnStartup: CargoWatchOptions = 'ask';
public cargoWatchOptions: CargoWatchOptions = { enableOnStartup: 'ask', trace: 'off' };
private prevEnhancedTyping: null | boolean = null;
@ -73,10 +79,17 @@ export class Config {
}
if (config.has('enableCargoWatchOnStartup')) {
this.enableCargoWatchOnStartup = config.get<CargoWatchOptions>(
'enableCargoWatchOnStartup',
'ask'
);
this.cargoWatchOptions.enableOnStartup =
config.get<CargoWatchStartupOptions>(
'enableCargoWatchOnStartup',
'ask'
);
this.cargoWatchOptions.trace =
config.get<CargoWatchTraceOptions>(
'trace.cargo-watch',
'off'
);
}
}
}