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[clangd] Add "clangd.trace" VSCode setting to enable tracing. 

Summary:
Setting the CLANGD_TRACE environment variable directly is awkward with VSCode's
"reload from the command palette" workflow.

Reviewers: ilya-biryukov

Subscribers: klimek, jkorous-apple, ioeric, cfe-commits

Differential Revision: https://reviews.llvm.org/D43385

llvm-svn: 325477
This commit is contained in:
Sam McCall 2018-02-19 09:43:46 +00:00
parent aeb626920c
commit 8a3698ada0
2 changed files with 14 additions and 5 deletions
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8
clang-tools-extra/clangd/clients/clangd-vscode/package.json
View File

@ -43,8 +43,8 @@
"@types/mocha": "^2.2.32"
},
"repository": {
"type": "svn",
"url": "http://llvm.org/svn/llvm-project/clang-tools-extra/trunk/clangd/clients/clangd-vscode/"
"type": "svn",
"url": "http://llvm.org/svn/llvm-project/clang-tools-extra/trunk/clangd/clients/clangd-vscode/"
},
"contributes": {
"configuration": {
@ -68,6 +68,10 @@
"type": "boolean",
"default": true,
"description": "Whether or not to send file events to clangd (File created, changed or deleted). This can be disabled for performance consideration."
},
"clangd.trace": {
"type": "string",
"description": "Names a file that clangd should log a performance trace to, in chrome trace-viewer JSON format."
}
}
}

11
clang-tools-extra/clangd/clients/clangd-vscode/src/extension.ts
View File

@ -16,11 +16,16 @@ function getConfig<T>(option: string, defaultValue?: any) : T {
* your extension is activated the very first time the command is executed
*/
export function activate(context: vscode.ExtensionContext) {
const clangdPath = getConfig<string>('path');
const clangdArgs = getConfig<string[]>('arguments');
const syncFileEvents = getConfig<boolean>('syncFileEvents', true);
const serverOptions: vscodelc.ServerOptions = { command: clangdPath, args: clangdArgs };
const clangd: vscodelc.Executable = {
command: getConfig<string>('path'),
args: getConfig<string[]>('arguments')
};
const traceFile = getConfig<string>('trace');
if (traceFile != null)
clangd.options = {env: {CLANGD_TRACE: traceFile}};
const serverOptions: vscodelc.ServerOptions = clangd;
const filePattern: string = '**/*.{' +
['cpp', 'c', 'cc', 'cxx', 'c++', 'm', 'mm', 'h', 'hh', 'hpp', 'hxx', 'inc'].join() + '}';