1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
import * as vscode from 'vscode';
import { log } from "./util";
export type UpdatesChannel = "stable" | "nightly";
export const NIGHTLY_TAG = "nightly";
export class Config {
readonly extensionId = "matklad.rust-analyzer";
readonly rootSection = "rust-analyzer";
private readonly requiresReloadOpts = [
"serverPath",
"cargo",
"procMacro",
"files",
"highlighting",
"updates.channel",
"lens", // works as lens.*
"hoverActions", // works as hoverActions.*
]
.map(opt => `${this.rootSection}.${opt}`);
readonly package: {
version: string;
releaseTag: string | null;
enableProposedApi: boolean | undefined;
} = vscode.extensions.getExtension(this.extensionId)!.packageJSON;
readonly globalStoragePath: string;
constructor(ctx: vscode.ExtensionContext) {
this.globalStoragePath = ctx.globalStoragePath;
vscode.workspace.onDidChangeConfiguration(this.onDidChangeConfiguration, this, ctx.subscriptions);
this.refreshLogging();
}
private refreshLogging() {
log.setEnabled(this.traceExtension);
log.debug(
"Extension version:", this.package.version,
"using configuration:", this.cfg
);
}
private async onDidChangeConfiguration(event: vscode.ConfigurationChangeEvent) {
this.refreshLogging();
const requiresReloadOpt = this.requiresReloadOpts.find(
opt => event.affectsConfiguration(opt)
);
if (!requiresReloadOpt) return;
const userResponse = await vscode.window.showInformationMessage(
`Changing "${requiresReloadOpt}" requires a reload`,
"Reload now"
);
if (userResponse === "Reload now") {
await vscode.commands.executeCommand("workbench.action.reloadWindow");
}
}
// We don't do runtime config validation here for simplicity. More on stackoverflow:
// https://stackoverflow.com/questions/60135780/what-is-the-best-way-to-type-check-the-configuration-for-vscode-extension
private get cfg(): vscode.WorkspaceConfiguration {
return vscode.workspace.getConfiguration(this.rootSection);
}
/**
* Beware that postfix `!` operator erases both `null` and `undefined`.
* This is why the following doesn't work as expected:
*
* ```ts
* const nullableNum = vscode
* .workspace
* .getConfiguration
* .getConfiguration("rust-analyer")
* .get<number | null>(path)!;
*
* // What happens is that type of `nullableNum` is `number` but not `null | number`:
* const fullFledgedNum: number = nullableNum;
* ```
* So this getter handles this quirk by not requiring the caller to use postfix `!`
*/
private get<T>(path: string): T {
return this.cfg.get<T>(path)!;
}
get serverPath() { return this.get<null | string>("serverPath"); }
get channel() { return this.get<UpdatesChannel>("updates.channel"); }
get askBeforeDownload() { return this.get<boolean>("updates.askBeforeDownload"); }
get traceExtension() { return this.get<boolean>("trace.extension"); }
get inlayHints() {
return {
enable: this.get<boolean>("inlayHints.enable"),
typeHints: this.get<boolean>("inlayHints.typeHints"),
parameterHints: this.get<boolean>("inlayHints.parameterHints"),
chainingHints: this.get<boolean>("inlayHints.chainingHints"),
maxLength: this.get<null | number>("inlayHints.maxLength"),
};
}
get checkOnSave() {
return {
command: this.get<string>("checkOnSave.command"),
};
}
get cargoRunner() {
return this.get<string | undefined>("cargoRunner");
}
get debug() {
// "/rustc/<id>" used by suggestions only.
const { ["/rustc/<id>"]: _, ...sourceFileMap } = this.get<Record<string, string>>("debug.sourceFileMap");
return {
engine: this.get<string>("debug.engine"),
engineSettings: this.get<object>("debug.engineSettings"),
openDebugPane: this.get<boolean>("debug.openDebugPane"),
sourceFileMap: sourceFileMap
};
}
get lens() {
return {
enable: this.get<boolean>("lens.enable"),
run: this.get<boolean>("lens.run"),
debug: this.get<boolean>("lens.debug"),
implementations: this.get<boolean>("lens.implementations"),
};
}
get hoverActions() {
return {
enable: this.get<boolean>("hoverActions.enable"),
implementations: this.get<boolean>("hoverActions.implementations"),
run: this.get<boolean>("hoverActions.run"),
debug: this.get<boolean>("hoverActions.debug"),
gotoTypeDef: this.get<boolean>("hoverActions.gotoTypeDef"),
};
}
}
|
