diff options
author | vsrs <[email protected]> | 2020-04-28 15:30:49 +0100 |
---|---|---|
committer | vsrs <[email protected]> | 2020-04-28 15:30:49 +0100 |
commit | 48d6e828f1878436bb8633a1e7df02a6383d991a (patch) | |
tree | 24b1795e969c9fee0899f14a7e74bdce6764594e /editors/code/src/cargo.ts | |
parent | 7a9ba1657daa9fd90c639dcd937da11b4f526675 (diff) |
ms-vscode.cpptools debugger support, initial version.
Diffstat (limited to 'editors/code/src/cargo.ts')
-rw-r--r-- | editors/code/src/cargo.ts | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/editors/code/src/cargo.ts b/editors/code/src/cargo.ts new file mode 100644 index 000000000..d119b6225 --- /dev/null +++ b/editors/code/src/cargo.ts | |||
@@ -0,0 +1,103 @@ | |||
1 | import { window } from 'vscode'; | ||
2 | import * as cp from 'child_process'; | ||
3 | import * as readline from 'readline'; | ||
4 | |||
5 | interface CompilationArtifact { | ||
6 | fileName: string; | ||
7 | name: string; | ||
8 | kind: string; | ||
9 | isTest: boolean; | ||
10 | } | ||
11 | |||
12 | export class Cargo { | ||
13 | rootFolder: string; | ||
14 | env?: { [key: string]: string }; | ||
15 | |||
16 | public constructor(cargoTomlFolder: string) { | ||
17 | this.rootFolder = cargoTomlFolder; | ||
18 | } | ||
19 | |||
20 | public async artifactsFromArgs(cargoArgs: string[]): Promise<CompilationArtifact[]> { | ||
21 | let artifacts: CompilationArtifact[] = []; | ||
22 | |||
23 | try { | ||
24 | await this.runCargo(cargoArgs, | ||
25 | message => { | ||
26 | if (message.reason == 'compiler-artifact' && message.executable) { | ||
27 | let isBinary = message.target.crate_types.includes('bin'); | ||
28 | let isBuildScript = message.target.kind.includes('custom-build'); | ||
29 | if ((isBinary && !isBuildScript) || message.profile.test) { | ||
30 | artifacts.push({ | ||
31 | fileName: message.executable, | ||
32 | name: message.target.name, | ||
33 | kind: message.target.kind[0], | ||
34 | isTest: message.profile.test | ||
35 | }) | ||
36 | } | ||
37 | } | ||
38 | }, | ||
39 | _stderr => { | ||
40 | // TODO: to output | ||
41 | } | ||
42 | ); | ||
43 | } | ||
44 | catch (err) { | ||
45 | // TODO: to output | ||
46 | throw new Error(`Cargo invocation has failed: ${err}`); | ||
47 | } | ||
48 | |||
49 | return artifacts; | ||
50 | } | ||
51 | |||
52 | public async executableFromArgs(cargoArgs: string[], extraArgs?: string[]): Promise<string> { | ||
53 | cargoArgs.push("--message-format=json"); | ||
54 | if (extraArgs) { | ||
55 | cargoArgs.push('--'); | ||
56 | cargoArgs.push(...extraArgs); | ||
57 | } | ||
58 | |||
59 | let artifacts = await this.artifactsFromArgs(cargoArgs); | ||
60 | |||
61 | if (artifacts.length == 0 ) { | ||
62 | throw new Error('No compilation artifacts'); | ||
63 | } else if (artifacts.length > 1) { | ||
64 | throw new Error('Multiple compilation artifacts are not supported.'); | ||
65 | } | ||
66 | |||
67 | return artifacts[0].fileName; | ||
68 | } | ||
69 | |||
70 | runCargo( | ||
71 | cargoArgs: string[], | ||
72 | onStdoutJson: (obj: any) => void, | ||
73 | onStderrString: (data: string) => void | ||
74 | ): Promise<number> { | ||
75 | return new Promise<number>((resolve, reject) => { | ||
76 | let cargo = cp.spawn('cargo', cargoArgs, { | ||
77 | stdio: ['ignore', 'pipe', 'pipe'], | ||
78 | cwd: this.rootFolder, | ||
79 | env: this.env, | ||
80 | }); | ||
81 | |||
82 | cargo.on('error', err => { | ||
83 | reject(new Error(`could not launch cargo: ${err}`)); | ||
84 | }); | ||
85 | cargo.stderr.on('data', chunk => { | ||
86 | onStderrString(chunk.toString()); | ||
87 | }); | ||
88 | |||
89 | let rl = readline.createInterface({ input: cargo.stdout }); | ||
90 | rl.on('line', line => { | ||
91 | let message = JSON.parse(line); | ||
92 | onStdoutJson(message); | ||
93 | }); | ||
94 | |||
95 | cargo.on('exit', (exitCode, _) => { | ||
96 | if (exitCode == 0) | ||
97 | resolve(exitCode); | ||
98 | else | ||
99 | reject(new Error(`exit code: ${exitCode}.`)); | ||
100 | }); | ||
101 | }); | ||
102 | } | ||
103 | } \ No newline at end of file | ||