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Use oldProgram to create the new Program.

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This helps in storing the semantic diagnostics
This commit is contained in:
Sheetal Nandi 2018-12-19 15:24:36 -08:00
parent 69193d9c20
commit 47f51060e9
4 changed files with 53 additions and 19 deletions
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2
src/compiler/builder.ts
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@ -410,7 +410,7 @@ namespace ts {
/**
* Computing hash to for signature verification
*/
const computeHash = host.createHash || identity;
const computeHash = host.createHash || generateDjb2Hash;
const state = createBuilderProgramState(newProgram, getCanonicalFileName, oldState);
// To ensure that we arent storing any references to old program or new program without state

4
src/compiler/builderState.ts
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@ -505,14 +505,14 @@ namespace ts.BuilderState {
// Start with the paths this file was referenced by
seenFileNamesMap.set(sourceFileWithUpdatedShape.path, sourceFileWithUpdatedShape);
const queue = getReferencedByPaths(state, sourceFileWithUpdatedShape.path);
const queue = getReferencedByPaths(state, sourceFileWithUpdatedShape.resolvedPath);
while (queue.length > 0) {
const currentPath = queue.pop()!;
if (!seenFileNamesMap.has(currentPath)) {
const currentSourceFile = programOfThisState.getSourceFileByPath(currentPath)!;
seenFileNamesMap.set(currentPath, currentSourceFile);
if (currentSourceFile && updateShapeSignature(state, programOfThisState, currentSourceFile, cacheToUpdateSignature, cancellationToken, computeHash!, exportedModulesMapCache)) { // TODO: GH#18217
queue.push(...getReferencedByPaths(state, currentPath));
queue.push(...getReferencedByPaths(state, currentSourceFile.resolvedPath));
}
}
}

19
src/compiler/sys.ts
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@ -2,6 +2,16 @@ declare function setTimeout(handler: (...args: any[]) => void, timeout: number):
declare function clearTimeout(handle: any): void;
namespace ts {
/**
* djb2 hashing algorithm
* http://www.cse.yorku.ca/~oz/hash.html
*/
/* @internal */
export function generateDjb2Hash(data: string): string {
const chars = data.split("").map(str => str.charCodeAt(0));
return `${chars.reduce((prev, curr) => ((prev << 5) + prev) + curr, 5381)}`;
}
/**
* Set a high stack trace limit to provide more information in case of an error.
* Called for command-line and server use cases.
@ -1115,15 +1125,6 @@ namespace ts {
}
}
/**
* djb2 hashing algorithm
* http://www.cse.yorku.ca/~oz/hash.html
*/
function generateDjb2Hash(data: string): string {
const chars = data.split("").map(str => str.charCodeAt(0));
return `${chars.reduce((prev, curr) => ((prev << 5) + prev) + curr, 5381)}`;
}
function createMD5HashUsingNativeCrypto(data: string): string {
const hash = _crypto!.createHash("md5");
hash.update(data);

47
src/compiler/tsbuild.ts
View File

@ -434,8 +434,12 @@ namespace ts {
let readFileWithCache = (f: string) => host.readFile(f);
let projectCompilerOptions = baseCompilerOptions;
const compilerHost = createCompilerHostFromProgramHost(host, () => projectCompilerOptions);
const originalGetSourceFile = compilerHost.getSourceFile;
const computeHash = host.createHash || generateDjb2Hash;
updateGetSourceFile();
// Watch state
const builderPrograms = createFileMap<T>(toPath);
const diagnostics = createFileMap<ReadonlyArray<Diagnostic>>(toPath);
const projectPendingBuild = createFileMap<ConfigFileProgramReloadLevel>(toPath);
const projectErrorsReported = createFileMap<true>(toPath);
@ -493,6 +497,29 @@ namespace ts {
clearMap(allWatchedWildcardDirectories, wildCardWatches => clearMap(wildCardWatches, closeFileWatcherOf));
clearMap(allWatchedInputFiles, inputFileWatches => clearMap(inputFileWatches, closeFileWatcher));
clearMap(allWatchedConfigFiles, closeFileWatcher);
if (!options.watch) {
builderPrograms.clear();
}
updateGetSourceFile();
}
function updateGetSourceFile() {
if (options.watch) {
if (compilerHost.getSourceFile === originalGetSourceFile) {
compilerHost.getSourceFile = (...args) => {
const result = originalGetSourceFile.call(compilerHost, ...args);
if (result && options.watch) {
result.version = computeHash.call(host, result.text);
}
return result;
};
}
}
else {
if (compilerHost.getSourceFile !== originalGetSourceFile) {
compilerHost.getSourceFile = originalGetSourceFile;
}
}
}
function isParsedCommandLine(entry: ConfigFileCacheEntry): entry is ParsedCommandLine {
@ -1057,7 +1084,7 @@ namespace ts {
configFile.fileNames,
configFile.options,
compilerHost,
/*oldProgram*/ undefined,
builderPrograms.getValue(proj),
configFile.errors,
configFile.projectReferences
);
@ -1123,22 +1150,28 @@ namespace ts {
};
diagnostics.removeKey(proj);
projectStatus.setValue(proj, status);
if (host.afterProgramEmitAndDiagnostics) {
host.afterProgramEmitAndDiagnostics(program);
}
afterProgramCreate(proj, program);
return resultFlags;
function buildErrors(diagnostics: ReadonlyArray<Diagnostic>, errorFlags: BuildResultFlags, errorType: string) {
resultFlags |= errorFlags;
reportAndStoreErrors(proj, diagnostics);
projectStatus.setValue(proj, { type: UpToDateStatusType.Unbuildable, reason: `${errorType} errors` });
if (host.afterProgramEmitAndDiagnostics) {
host.afterProgramEmitAndDiagnostics(program);
}
afterProgramCreate(proj, program);
return resultFlags;
}
}
function afterProgramCreate(proj: ResolvedConfigFileName, program: T) {
if (host.afterProgramEmitAndDiagnostics) {
host.afterProgramEmitAndDiagnostics(program);
}
if (options.watch) {
program.releaseProgram();
builderPrograms.setValue(proj, program);
}
}
function updateOutputTimestamps(proj: ParsedCommandLine) {
if (options.dry) {
return reportStatus(Diagnostics.A_non_dry_build_would_build_project_0, proj.options.configFilePath!);