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Add jake task for making instrumented tsc

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This commit is contained in:
Ryan Cavanaugh
2014-09-02 12:19:58 -07:00
parent 655039c9c7
commit 18de560402
3 changed files with 98 additions and 4 deletions
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53
src/harness/instrumenter.ts Normal file
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@@ -0,0 +1,53 @@
declare var require: any, process: any;
var fs: any = require('fs');
var path: any = require('path');
function instrumentForRecording(fn: string, tscPath: string) {
instrument(tscPath, 'sys = Playback.wrapSystem(sys); sys.startRecord("' + fn + '");', 'sys.endRecord();');
}
function instrumentForReplay(logFilename: string, tscPath: string) {
instrument(tscPath, 'sys = Playback.wrapSystem(sys); sys.startReplay("' + logFilename + '");');
}
function instrument(tscPath: string, prepareCode: string, cleanupCode: string = '') {
var bak = tscPath + '.bak';
fs.exists(bak, (backupExists: boolean) => {
var filename = tscPath;
if (backupExists) {
filename = bak;
}
fs.readFile(filename, 'utf-8', (err: any, tscContent: string) => {
if (err) throw err;
fs.writeFile(bak, tscContent, (err: any) => {
if (err) throw err;
fs.readFile(path.resolve(path.dirname(tscPath) + '/loggedIO.js'), 'utf-8', (err: any, loggerContent: string) => {
if (err) throw err;
var invocationLine = 'ts.executeCommandLine(sys.args);';
var index1 = tscContent.indexOf(invocationLine);
var index2 = index1 + invocationLine.length;
var newContent = tscContent.substr(0, index1) + loggerContent + prepareCode + invocationLine + cleanupCode + tscContent.substr(index2) + '\r\n';
fs.writeFile(tscPath, newContent);
});
});
});
});
}
var isJson = (arg: string) => arg.indexOf(".json") > 0;
var record = process.argv.indexOf('record');
var tscPath = process.argv[process.argv.length - 1];
if (record >= 0) {
console.log('Instrumenting ' + tscPath + ' for recording');
instrumentForRecording(process.argv[record + 1], tscPath);
} else if (process.argv.some(isJson)) {
var filename = process.argv.filter(isJson)[0];
instrumentForReplay(filename, tscPath);
}

9
src/harness/loggedIO.ts
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@@ -1,4 +1,6 @@
/// <reference path="..\..\src\compiler\sys.ts" />
/// <reference path="..\..\src\harness\harness.ts" />
/// <reference path="..\..\src\harness\runnerbase.ts" />
interface FileInformation {
contents: string;
@@ -258,7 +260,12 @@ module Playback {
memoize((path) => findResultByFields(replayLog.pathsResolved, { path: path }, !ts.isRootedDiskPath(ts.normalizeSlashes(path)) && replayLog.currentDirectory ? replayLog.currentDirectory + '/' + path : ts.normalizeSlashes(path))));
wrapper.readFile = recordReplay(wrapper.readFile, underlying)(
(path) => callAndRecord(underlying.readFile(path), recordLog.filesRead, { path: path, codepage: 0 }),
(path) => {
var result = underlying.readFile(path);
var logEntry = { path: path, codepage: 0, result: { contents: result, codepage: 0 } };
recordLog.filesRead.push(logEntry);
return result;
},
memoize((path) => findResultByPath(wrapper, replayLog.filesRead, path).contents));
wrapper.writeFile = recordReplay(wrapper.writeFile, underlying)(