105 lines
2.9 KiB
TypeScript
105 lines
2.9 KiB
TypeScript
/// <reference path="..\src\compiler\sys.ts"/>
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/// <reference path="..\src\compiler\types.ts"/>
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namespace perftest {
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interface IOLog {
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resolvePath: ts.Map<string>;
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fileNames: string[];
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}
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export interface IO {
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getOut(): string;
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}
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export const readFile = ts.sys.readFile;
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const writeFile = ts.sys.writeFile;
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export const write = ts.sys.write;
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const resolvePath = ts.sys.resolvePath;
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export const getExecutingFilePath = ts.sys.getExecutingFilePath;
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export const getCurrentDirectory = ts.sys.getCurrentDirectory;
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// const exit = ts.sys.exit;
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const args = ts.sys.args;
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// augment sys so first ts.executeCommandLine call will be finish silently
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ts.sys.write = (s: string) => { };
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ts.sys.exit = (code: number) => { };
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ts.sys.args = [];
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export function restoreSys() {
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ts.sys.args = args;
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ts.sys.write = write;
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}
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export function hasLogIOFlag() {
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return args.length > 2 && args[0] === "--logio";
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}
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export function getArgsWithoutLogIOFlag() {
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return args.slice(2);
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}
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export function getArgsWithoutIOLogFile() {
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return args.slice(1);
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}
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const resolvePathLog: ts.Map<string> = {};
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export function interceptIO() {
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ts.sys.resolvePath = (s) => {
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const result = resolvePath(s);
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resolvePathLog[s] = result;
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return result;
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};
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}
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export function writeIOLog(fileNames: string[]) {
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const path = args[1];
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const log: IOLog = {
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fileNames: fileNames,
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resolvePath: resolvePathLog
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};
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writeFile(path, JSON.stringify(log));
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}
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export function prepare(): IO {
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const log = <IOLog>JSON.parse(readFile(args[0]));
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const files: ts.Map<string> = {};
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log.fileNames.forEach(f => { files[f] = readFile(f); });
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ts.sys.createDirectory = (s: string) => { };
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ts.sys.directoryExists = (s: string) => true;
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ts.sys.fileExists = (s: string) => true;
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const currentDirectory = ts.sys.getCurrentDirectory();
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ts.sys.getCurrentDirectory = () => currentDirectory;
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const executingFilePath = ts.sys.getExecutingFilePath();
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ts.sys.getExecutingFilePath = () => executingFilePath;
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ts.sys.readFile = (s: string) => {
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return files[s];
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};
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ts.sys.resolvePath = (s: string) => {
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const path = log.resolvePath[s];
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if (!path) {
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throw new Error("Unexpected path '" + s + "'");
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}
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return path;
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};
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ts.sys.writeFile = (path: string, data: string) => { };
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let out = "";
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ts.sys.write = (s: string) => { out += s; };
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return {
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getOut: () => out,
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};
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}
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}
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