forked from microsoft/TypeScript
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathperfsys.ts
More file actions
104 lines (80 loc) · 2.87 KB
/
perfsys.ts
File metadata and controls
104 lines (80 loc) · 2.87 KB
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
/// <reference path="..\src\compiler\sys.ts"/>
/// <reference path="..\src\compiler\types.ts"/>
namespace perftest {
interface IOLog {
resolvePath: ts.Map<string>;
fileNames: string[];
}
export interface IO {
getOut(): string;
}
export const readFile = ts.sys.readFile;
const writeFile = ts.sys.writeFile;
export const write = ts.sys.write;
const resolvePath = ts.sys.resolvePath;
export const getExecutingFilePath = ts.sys.getExecutingFilePath;
export const getCurrentDirectory = ts.sys.getCurrentDirectory;
// const exit = ts.sys.exit;
const args = ts.sys.args;
// augment sys so first ts.executeCommandLine call will be finish silently
ts.sys.write = (s: string) => { };
ts.sys.exit = (code: number) => { };
ts.sys.args = [];
export function restoreSys() {
ts.sys.args = args;
ts.sys.write = write;
}
export function hasLogIOFlag() {
return args.length > 2 && args[0] === "--logio";
}
export function getArgsWithoutLogIOFlag() {
return args.slice(2);
}
export function getArgsWithoutIOLogFile() {
return args.slice(1);
}
const resolvePathLog: ts.Map<string> = {};
export function interceptIO() {
ts.sys.resolvePath = (s) => {
const result = resolvePath(s);
resolvePathLog[s] = result;
return result;
};
}
export function writeIOLog(fileNames: string[]) {
const path = args[1];
const log: IOLog = {
fileNames: fileNames,
resolvePath: resolvePathLog
};
writeFile(path, JSON.stringify(log));
}
export function prepare(): IO {
const log = <IOLog>JSON.parse(readFile(args[0]));
const files: ts.Map<string> = {};
log.fileNames.forEach(f => { files[f] = readFile(f); });
ts.sys.createDirectory = (s: string) => { };
ts.sys.directoryExists = (s: string) => true;
ts.sys.fileExists = (s: string) => true;
const currentDirectory = ts.sys.getCurrentDirectory();
ts.sys.getCurrentDirectory = () => currentDirectory;
const executingFilePath = ts.sys.getExecutingFilePath();
ts.sys.getExecutingFilePath = () => executingFilePath;
ts.sys.readFile = (s: string) => {
return files[s];
};
ts.sys.resolvePath = (s: string) => {
const path = log.resolvePath[s];
if (!path) {
throw new Error("Unexpected path '" + s + "'");
}
return path;
};
ts.sys.writeFile = (path: string, data: string) => { };
let out = "";
ts.sys.write = (s: string) => { out += s; };
return {
getOut: () => out,
};
}
}