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Revert "perf(compiler): skip type check and emit in bazel in some cases. (#19646)"

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This reverts commit a22121d65d.
This commit is contained in:
Chuck Jazdzewski
2017-10-12 10:26:53 -07:00
parent 055b802713
commit 94a925a1b0
21 changed files with 297 additions and 596 deletions
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62
packages/compiler-cli/src/transformers/api.ts
View File

@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {GeneratedFile as GeneratedFileImpl, ParseSourceSpan} from '@angular/compiler';
import {GeneratedFile, ParseSourceSpan} from '@angular/compiler';
import * as ts from 'typescript';
export const DEFAULT_ERROR_CODE = 100;
@ -207,32 +207,18 @@ export interface CustomTransformers {
afterTs?: ts.TransformerFactory<ts.SourceFile>[];
}
export interface EmitArguments {
export interface TsEmitArguments {
program: ts.Program;
host: CompilerHost;
options: CompilerOptions;
targetSourceFiles?: ts.SourceFile[];
targetSourceFile?: ts.SourceFile;
writeFile?: ts.WriteFileCallback;
cancellationToken?: ts.CancellationToken;
emitOnlyDtsFiles?: boolean;
customTransformers?: ts.CustomTransformers;
}
export interface EmitCallback { (args: EmitArguments): ts.EmitResult; }
/**
* Represents a generated file that has not yet been emitted.
*/
export interface GeneratedFile {
/**
* The file name of the sourceFile from which this file was generated.
*/
srcFileName: string;
/**
* The file name of the generated but not yet emitted file.
*/
genFileName: string;
}
export interface TsEmitCallback { (args: TsEmitArguments): ts.EmitResult; }
/**
* @internal
@ -296,7 +282,7 @@ export interface Program {
*
* Angular structural information is required to produce these diagnostics.
*/
getNgSemanticDiagnostics(genFile?: GeneratedFile, cancellationToken?: ts.CancellationToken):
getNgSemanticDiagnostics(fileName?: string, cancellationToken?: ts.CancellationToken):
Diagnostic[];
/**
@ -307,33 +293,16 @@ export interface Program {
*/
loadNgStructureAsync(): Promise<void>;
/**
* Retrieves the GeneratedFile with the given fileName.
*/
getGeneratedFile(genFileName: string): GeneratedFile|undefined;
/**
* Retriesves all GeneratedFiles.
*/
getGeneratedFiles(): GeneratedFile[];
/**
* Calculates whether the given file has changed since the `oldProgram` that was passed
* to `createProgram`.
*/
hasChanged(fileName: string): boolean;
/**
* Emit the files requested by emitFlags implied by the program.
*
* Angular structural information is required to emit files.
*/
emit({targetFileNames, emitFlags, cancellationToken, customTransformers, emitCallback}?: {
targetFileNames?: string[],
emit({emitFlags, cancellationToken, customTransformers, emitCallback}?: {
emitFlags?: EmitFlags,
cancellationToken?: ts.CancellationToken,
customTransformers?: CustomTransformers,
emitCallback?: EmitCallback
emitCallback?: TsEmitCallback
}): ts.EmitResult;
/**
@ -348,25 +317,10 @@ export interface Program {
/**
* @internal
*/
getEmittedGeneratedFiles(): Map<string, GeneratedFileImpl>;
getEmittedGeneratedFiles(): Map<string, GeneratedFile>;
/**
* @internal
*/
getEmittedSourceFiles(): Map<string, ts.SourceFile>;
}
export type OldProgram = Program | CachedFiles;
export interface CachedFiles {
getSourceFile(fileName: string): ts.SourceFile|undefined;
getGeneratedFile(srcFileName: string, genFileName: string): GeneratedFile|undefined;
}
export interface CreateProgram {
({rootNames, options, host, oldProgram}: {
rootNames: string[],
options: CompilerOptions,
host: CompilerHost, oldProgram?: OldProgram
}): Program;
}

20
packages/compiler-cli/src/transformers/compiler_host.ts
View File

@ -15,10 +15,11 @@ import {TypeCheckHost} from '../diagnostics/translate_diagnostics';
import {ModuleMetadata} from '../metadata/index';
import {CompilerHost, CompilerOptions, LibrarySummary} from './api';
import {EXT, GENERATED_FILES} from './util';
import {GENERATED_FILES} from './util';
const NODE_MODULES_PACKAGE_NAME = /node_modules\/((\w|-)+|(@(\w|-)+\/(\w|-)+))/;
const DTS = /\.d\.ts$/;
const EXT = /(\.ts|\.d\.ts|\.js|\.jsx|\.tsx)$/;
export function createCompilerHost(
{options, tsHost = ts.createCompilerHost(options, true)}:
@ -261,12 +262,11 @@ export class TsCompilerAotCompilerTypeCheckHostAdapter extends
updateGeneratedFile(genFile: GeneratedFile): ts.SourceFile {
if (!genFile.stmts) {
throw new Error(
`Invalid Argument: Expected a GenerateFile with statements. ${genFile.genFileName}`);
`Invalid Argument: Expected a GenerateFile with statements. ${genFile.genFileUrl}`);
}
const oldGenFile = this.generatedSourceFiles.get(genFile.genFileName);
const oldGenFile = this.generatedSourceFiles.get(genFile.genFileUrl);
if (!oldGenFile) {
throw new Error(
`Illegal State: previous GeneratedFile not found for ${genFile.genFileName}.`);
throw new Error(`Illegal State: previous GeneratedFile not found for ${genFile.genFileUrl}.`);
}
const newRefs = genFileExternalReferences(genFile);
const oldRefs = oldGenFile.externalReferences;
@ -276,7 +276,7 @@ export class TsCompilerAotCompilerTypeCheckHostAdapter extends
}
if (!refsAreEqual) {
throw new Error(
`Illegal State: external references changed in ${genFile.genFileName}.\nOld: ${Array.from(oldRefs)}.\nNew: ${Array.from(newRefs)}`);
`Illegal State: external references changed in ${genFile.genFileUrl}.\nOld: ${Array.from(oldRefs)}.\nNew: ${Array.from(newRefs)}`);
}
return this.addGeneratedFile(genFile, newRefs);
}
@ -284,14 +284,14 @@ export class TsCompilerAotCompilerTypeCheckHostAdapter extends
private addGeneratedFile(genFile: GeneratedFile, externalReferences: Set<string>): ts.SourceFile {
if (!genFile.stmts) {
throw new Error(
`Invalid Argument: Expected a GenerateFile with statements. ${genFile.genFileName}`);
`Invalid Argument: Expected a GenerateFile with statements. ${genFile.genFileUrl}`);
}
const {sourceText, context} = this.emitter.emitStatementsAndContext(
genFile.genFileName, genFile.stmts, /* preamble */ '',
genFile.genFileUrl, genFile.stmts, /* preamble */ '',
/* emitSourceMaps */ false);
const sf = ts.createSourceFile(
genFile.genFileName, sourceText, this.options.target || ts.ScriptTarget.Latest);
this.generatedSourceFiles.set(genFile.genFileName, {
genFile.genFileUrl, sourceText, this.options.target || ts.ScriptTarget.Latest);
this.generatedSourceFiles.set(genFile.genFileUrl, {
sourceFile: sf,
emitCtx: context, externalReferences,
});

1
packages/compiler-cli/src/transformers/entry_points.ts
View File

@ -12,4 +12,3 @@ import {CompilerHost, CompilerOptions, Program} from './api';
export {createCompilerHost} from './compiler_host';
export {createProgram} from './program';
export {isGeneratedFile} from './util';

5
packages/compiler-cli/src/transformers/node_emitter_transform.ts
View File

@ -9,7 +9,6 @@
import {GeneratedFile} from '@angular/compiler';
import * as ts from 'typescript';
import {Program} from './api';
import {TypeScriptNodeEmitter} from './node_emitter';
import {GENERATED_FILES} from './util';
@ -20,12 +19,12 @@ const PREAMBLE = `/**
* tslint:disable
*/`;
export function getAngularEmitterTransformFactory(program: Program): () =>
export function getAngularEmitterTransformFactory(generatedFiles: Map<string, GeneratedFile>): () =>
(sourceFile: ts.SourceFile) => ts.SourceFile {
return function() {
const emitter = new TypeScriptNodeEmitter();
return function(sourceFile: ts.SourceFile): ts.SourceFile {
const g = program.getGeneratedFile(sourceFile.fileName) as GeneratedFile;
const g = generatedFiles.get(sourceFile.fileName);
if (g && g.stmts) {
const [newSourceFile] = emitter.updateSourceFile(sourceFile, g.stmts, PREAMBLE);
return newSourceFile;

428
packages/compiler-cli/src/transformers/program.ts
View File

@ -14,12 +14,11 @@ import * as ts from 'typescript';
import {TypeCheckHost, translateDiagnostics} from '../diagnostics/translate_diagnostics';
import {ModuleMetadata, createBundleIndexHost} from '../metadata/index';
import {CachedFiles, CompilerHost, CompilerOptions, CreateProgram, CustomTransformers, DEFAULT_ERROR_CODE, Diagnostic, EmitArguments, EmitCallback, EmitFlags, LibrarySummary, OldProgram, Program, SOURCE} from './api';
import {CompilerHost, CompilerOptions, CustomTransformers, DEFAULT_ERROR_CODE, Diagnostic, EmitFlags, LibrarySummary, Program, SOURCE, TsEmitArguments, TsEmitCallback} from './api';
import {CodeGenerator, TsCompilerAotCompilerTypeCheckHostAdapter, getOriginalReferences} from './compiler_host';
import {LowerMetadataCache, getExpressionLoweringTransformFactory} from './lower_expressions';
import {getAngularEmitterTransformFactory} from './node_emitter_transform';
import {EXT, GENERATED_FILES, StructureIsReused, createMessageDiagnostic, tsStructureIsReused} from './util';
import {GENERATED_FILES, StructureIsReused, createMessageDiagnostic, tsStructureIsReused} from './util';
/**
* Maximum number of files that are emitable via calling ts.Program.emit
@ -33,34 +32,17 @@ const emptyModules: NgAnalyzedModules = {
files: []
};
const defaultEmitCallback: EmitCallback =
({program, targetSourceFiles, writeFile, cancellationToken, emitOnlyDtsFiles,
customTransformers}) => {
if (targetSourceFiles) {
const diagnostics: ts.Diagnostic[] = [];
let emitSkipped = false;
const emittedFiles: string[] = [];
for (const targetSourceFile of targetSourceFiles) {
const er = program.emit(
targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers);
diagnostics.push(...er.diagnostics);
emitSkipped = emitSkipped || er.emitSkipped;
emittedFiles.push(...er.emittedFiles);
}
return {diagnostics, emitSkipped, emittedFiles};
} else {
return program.emit(
/*targetSourceFile*/ undefined, writeFile, cancellationToken, emitOnlyDtsFiles,
customTransformers);
}
};
const defaultEmitCallback: TsEmitCallback =
({program, targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles,
customTransformers}) =>
program.emit(
targetSourceFile, writeFile, cancellationToken, emitOnlyDtsFiles, customTransformers);
class AngularCompilerProgram implements Program {
private metadataCache: LowerMetadataCache;
private oldProgramLibrarySummaries: Map<string, LibrarySummary>|undefined;
private oldProgramEmittedGeneratedFiles: Map<string, GeneratedFile>|undefined;
private oldProgramEmittedSourceFiles: Map<string, ts.SourceFile>|undefined;
private oldProgramCachedFiles: CachedFiles|undefined;
// Note: This will be cleared out as soon as we create the _tsProgram
private oldTsProgram: ts.Program|undefined;
private emittedLibrarySummaries: LibrarySummary[]|undefined;
@ -74,33 +56,20 @@ class AngularCompilerProgram implements Program {
private _analyzedModules: NgAnalyzedModules|undefined;
private _structuralDiagnostics: Diagnostic[]|undefined;
private _programWithStubs: ts.Program|undefined;
private _generatedFilesMap: Map<string, GeneratedFile>|undefined;
private _generatedFiles: GeneratedFile[]|undefined;
private _changedFileNames = new Map<string, boolean>();
private _optionsDiagnostics: Diagnostic[] = [];
constructor(
private rootNames: string[], private options: CompilerOptions, private host: CompilerHost,
oldProgram?: OldProgram) {
private oldProgram?: Program) {
const [major, minor] = ts.version.split('.');
if (Number(major) < 2 || (Number(major) === 2 && Number(minor) < 4)) {
throw new Error('The Angular Compiler requires TypeScript >= 2.4.');
}
this.oldTsProgram = oldProgram ? oldProgram.getTsProgram() : undefined;
if (oldProgram) {
if ((oldProgram as Program).getTsProgram) {
const oldNgProgram = oldProgram as Program;
this.oldTsProgram = oldNgProgram.getTsProgram();
this.oldProgramLibrarySummaries = oldNgProgram.getLibrarySummaries();
this.oldProgramEmittedGeneratedFiles = oldNgProgram.getEmittedGeneratedFiles();
this.oldProgramEmittedSourceFiles = oldNgProgram.getEmittedSourceFiles();
this.oldProgramCachedFiles = {
getSourceFile: (fileName: string) => this.oldProgramEmittedSourceFiles !.get(fileName),
getGeneratedFile: (srcFileName: string, genFileName: string) =>
this.oldProgramEmittedGeneratedFiles !.get(genFileName),
};
} else {
this.oldProgramCachedFiles = oldProgram as CachedFiles;
}
this.oldProgramLibrarySummaries = oldProgram.getLibrarySummaries();
this.oldProgramEmittedGeneratedFiles = oldProgram.getEmittedGeneratedFiles();
this.oldProgramEmittedSourceFiles = oldProgram.getEmittedSourceFiles();
}
if (options.flatModuleOutFile) {
@ -141,9 +110,7 @@ class AngularCompilerProgram implements Program {
(genFile, fileName) => result.set(fileName, genFile));
}
if (this.emittedGeneratedFiles) {
for (const genFile of this.emittedGeneratedFiles) {
result.set(genFile.genFileName, genFile);
}
this.emittedGeneratedFiles.forEach((genFile) => result.set(genFile.genFileUrl, genFile));
}
return result;
}
@ -154,9 +121,7 @@ class AngularCompilerProgram implements Program {
this.oldProgramEmittedSourceFiles.forEach((sf, fileName) => result.set(fileName, sf));
}
if (this.emittedSourceFiles) {
for (const sf of this.emittedSourceFiles) {
result.set(sf.fileName, sf);
}
this.emittedSourceFiles.forEach((sf) => result.set(sf.fileName, sf));
}
return result;
}
@ -186,27 +151,22 @@ class AngularCompilerProgram implements Program {
return this.tsProgram.getSemanticDiagnostics(sourceFile, cancellationToken);
}
let diags: ts.Diagnostic[] = [];
for (const sf of this.tsProgram.getSourceFiles()) {
this.tsProgram.getSourceFiles().forEach(sf => {
if (!GENERATED_FILES.test(sf.fileName)) {
diags.push(...this.tsProgram.getSemanticDiagnostics(sf, cancellationToken));
}
}
});
return diags;
}
getNgSemanticDiagnostics(genFile?: GeneratedFile, cancellationToken?: ts.CancellationToken):
getNgSemanticDiagnostics(fileName?: string, cancellationToken?: ts.CancellationToken):
Diagnostic[] {
let diags: ts.Diagnostic[] = [];
if (genFile) {
diags.push(...this.tsProgram.getSemanticDiagnostics(
this.tsProgram.getSourceFile(genFile.genFileName), cancellationToken));
} else {
for (const sf of this.tsProgram.getSourceFiles()) {
if (GENERATED_FILES.test(sf.fileName) && !sf.isDeclarationFile) {
diags.push(...this.tsProgram.getSemanticDiagnostics(sf, cancellationToken));
}
this.tsProgram.getSourceFiles().forEach(sf => {
if (GENERATED_FILES.test(sf.fileName) && !sf.isDeclarationFile) {
diags.push(...this.tsProgram.getSemanticDiagnostics(sf, cancellationToken));
}
}
});
const {ng} = translateDiagnostics(this.typeCheckHost, diags);
return ng;
}
@ -227,42 +187,13 @@ class AngularCompilerProgram implements Program {
});
}
getGeneratedFile(genFileName: string): GeneratedFile|undefined {
return this.generatedFilesMap.get(genFileName);
}
getGeneratedFiles(): GeneratedFile[] { return this.generatedFiles; }
hasChanged(fileName: string) {
if (!this.oldProgramCachedFiles) {
return true;
}
let changed = this._changedFileNames.get(fileName);
if (typeof changed === 'boolean') {
return changed;
}
const genFile = this.getGeneratedFile(fileName);
if (genFile) {
const oldGenFile = this.oldProgramCachedFiles !.getGeneratedFile(
genFile.srcFileName, genFile.genFileName) as GeneratedFile;
changed = !oldGenFile || !genFile.isEquivalent(oldGenFile);
} else {
const sf = this.tsProgram.getSourceFile(fileName);
const oldSf = this.oldProgramCachedFiles !.getSourceFile(fileName);
changed = !oldSf || sf !== oldSf;
}
this._changedFileNames.set(fileName, changed);
return changed;
}
emit(
{targetFileNames, emitFlags = EmitFlags.Default, cancellationToken, customTransformers,
{emitFlags = EmitFlags.Default, cancellationToken, customTransformers,
emitCallback = defaultEmitCallback}: {
targetFileNames?: string[],
emitFlags?: EmitFlags,
cancellationToken?: ts.CancellationToken,
customTransformers?: CustomTransformers,
emitCallback?: EmitCallback
emitCallback?: TsEmitCallback
} = {}): ts.EmitResult {
const emitStart = Date.now();
if (emitFlags & EmitFlags.I18nBundle) {
@ -272,48 +203,88 @@ class AngularCompilerProgram implements Program {
const bundle = this.compiler.emitMessageBundle(this.analyzedModules, locale);
i18nExtract(format, file, this.host, this.options, bundle);
}
const emitSkippedResult = {emitSkipped: true, diagnostics: [], emittedFiles: []};
if ((emitFlags & (EmitFlags.JS | EmitFlags.DTS | EmitFlags.Metadata | EmitFlags.Codegen)) ===
0) {
return emitSkippedResult;
return {emitSkipped: true, diagnostics: [], emittedFiles: []};
}
const {srcFilesToEmit, jsonFilesToEmit, emitAllFiles} = this.calcFilesToEmit(targetFileNames);
let {genFiles, genDiags} = this.generateFilesForEmit(emitFlags);
if (genDiags.length) {
return {
diagnostics: genDiags,
emitSkipped: true,
emittedFiles: [],
};
}
this.emittedGeneratedFiles = genFiles;
const outSrcMapping: Array<{sourceFile: ts.SourceFile, outFileName: string}> = [];
const genFileByFileName = new Map<string, GeneratedFile>();
genFiles.forEach(genFile => genFileByFileName.set(genFile.genFileUrl, genFile));
this.emittedLibrarySummaries = [];
const emittedSourceFiles = [] as ts.SourceFile[];
const writeTsFile: ts.WriteFileCallback =
(outFileName, outData, writeByteOrderMark, onError?, sourceFiles?) => {
const sourceFile = sourceFiles && sourceFiles.length == 1 ? sourceFiles[0] : null;
let genFile: GeneratedFile|undefined;
if (sourceFile) {
outSrcMapping.push({outFileName: outFileName, sourceFile});
if (emitFlags & EmitFlags.Codegen) {
genFile = this.getGeneratedFile(sourceFile.fileName);
genFile = genFileByFileName.get(sourceFile.fileName);
if (!sourceFile.isDeclarationFile && !GENERATED_FILES.test(sourceFile.fileName)) {
// Note: sourceFile is the transformed sourcefile, not the original one!
emittedSourceFiles.push(this.tsProgram.getSourceFile(sourceFile.fileName));
}
}
this.writeFile(outFileName, outData, writeByteOrderMark, onError, sourceFiles, genFile);
this.writeFile(outFileName, outData, writeByteOrderMark, onError, genFile, sourceFiles);
};
const tsCustomTansformers = this.calculateTransforms(customTransformers);
const tsCustomTansformers = this.calculateTransforms(genFileByFileName, customTransformers);
const emitOnlyDtsFiles = (emitFlags & (EmitFlags.DTS | EmitFlags.JS)) == EmitFlags.DTS;
// Restore the original references before we emit so TypeScript doesn't emit
// a reference to the .d.ts file.
const augmentedReferences = new Map<ts.SourceFile, ts.FileReference[]>();
for (const sourceFile of srcFilesToEmit) {
for (const sourceFile of this.tsProgram.getSourceFiles()) {
const originalReferences = getOriginalReferences(sourceFile);
if (originalReferences) {
augmentedReferences.set(sourceFile, sourceFile.referencedFiles);
sourceFile.referencedFiles = originalReferences;
}
}
const genTsFiles: GeneratedFile[] = [];
const genJsonFiles: GeneratedFile[] = [];
genFiles.forEach(gf => {
if (gf.stmts) {
genTsFiles.push(gf);
}
if (gf.source) {
genJsonFiles.push(gf);
}
});
let emitResult: ts.EmitResult;
let emittedUserTsCount: number;
try {
emitResult = emitCallback({
program: this.tsProgram,
host: this.host,
options: this.options,
writeFile: writeTsFile, emitOnlyDtsFiles,
customTransformers: tsCustomTansformers,
targetSourceFiles: emitAllFiles ? undefined : srcFilesToEmit,
});
const sourceFilesToEmit = this.getSourceFilesForEmit();
if (sourceFilesToEmit &&
(sourceFilesToEmit.length + genTsFiles.length) < MAX_FILE_COUNT_FOR_SINGLE_FILE_EMIT) {
const fileNamesToEmit =
[...sourceFilesToEmit.map(sf => sf.fileName), ...genTsFiles.map(gf => gf.genFileUrl)];
emitResult = mergeEmitResults(
fileNamesToEmit.map((fileName) => emitResult = emitCallback({
program: this.tsProgram,
host: this.host,
options: this.options,
writeFile: writeTsFile, emitOnlyDtsFiles,
customTransformers: tsCustomTansformers,
targetSourceFile: this.tsProgram.getSourceFile(fileName),
})));
emittedUserTsCount = sourceFilesToEmit.length;
} else {
emitResult = emitCallback({
program: this.tsProgram,
host: this.host,
options: this.options,
writeFile: writeTsFile, emitOnlyDtsFiles,
customTransformers: tsCustomTansformers
});
emittedUserTsCount = this.tsProgram.getSourceFiles().length - genTsFiles.length;
}
} finally {
// Restore the references back to the augmented value to ensure that the
// checks that TypeScript makes for project structure reuse will succeed.
@ -321,6 +292,7 @@ class AngularCompilerProgram implements Program {
sourceFile.referencedFiles = references;
}
}
this.emittedSourceFiles = emittedSourceFiles;
if (!outSrcMapping.length) {
// if no files were emitted by TypeScript, also don't emit .json files
@ -337,99 +309,35 @@ class AngularCompilerProgram implements Program {
const srcToOutPath =
createSrcToOutPathMapper(this.options.outDir, sampleSrcFileName, sampleOutFileName);
if (emitFlags & EmitFlags.Codegen) {
this.emitNgSummaryJsonFiles(jsonFilesToEmit, srcToOutPath);
genJsonFiles.forEach(gf => {
const outFileName = srcToOutPath(gf.genFileUrl);
this.writeFile(outFileName, gf.source !, false, undefined, gf);
});
}
let metadataJsonCount = 0;
if (emitFlags & EmitFlags.Metadata) {
this.emitMetadataJsonFiles(srcFilesToEmit, srcToOutPath);
this.tsProgram.getSourceFiles().forEach(sf => {
if (!sf.isDeclarationFile && !GENERATED_FILES.test(sf.fileName)) {
metadataJsonCount++;
const metadata = this.metadataCache.getMetadata(sf);
const metadataText = JSON.stringify([metadata]);
const outFileName = srcToOutPath(sf.fileName.replace(/\.ts$/, '.metadata.json'));
this.writeFile(outFileName, metadataText, false, undefined, undefined, [sf]);
}
});
}
const emitEnd = Date.now();
if (this.options.diagnostics) {
const genTsFileCount = srcFilesToEmit.filter(sf => GENERATED_FILES.test(sf.fileName)).length;
let genJsonCount = jsonFilesToEmit.length;
if (emitFlags & EmitFlags.Metadata) {
genJsonCount += genTsFileCount;
}
emitResult.diagnostics.push(createMessageDiagnostic([
`Emitted in ${emitEnd - emitStart}ms`,
`- ${srcFilesToEmit.length - genTsFileCount} user ts files`,
`- ${genTsFileCount} generated ts files`,
`- ${genJsonCount} generated json files`,
`- ${emittedUserTsCount} user ts files`,
`- ${genTsFiles.length} generated ts files`,
`- ${genJsonFiles.length + metadataJsonCount} generated json files`,
].join('\n')));
}
return emitResult;
}
private emitNgSummaryJsonFiles(
jsonFilesToEmit: GeneratedFile[], srcToOutPath: (srcFileName: string) => string) {
for (const gf of jsonFilesToEmit) {
const outFileName = srcToOutPath(gf.genFileName);
this.writeFile(outFileName, gf.source !, false, undefined, undefined, gf);
}
}
private emitMetadataJsonFiles(
srcFilesToEmit: ts.SourceFile[], srcToOutPath: (srcFileName: string) => string) {
for (const sf of srcFilesToEmit) {
if (!GENERATED_FILES.test(sf.fileName)) {
const metadata = this.metadataCache.getMetadata(sf);
const metadataText = JSON.stringify([metadata]);
const outFileName = srcToOutPath(sf.fileName.replace(/\.ts$/, '.metadata.json'));
this.writeFile(outFileName, metadataText, false);
}
}
}
private calcFilesToEmit(targetFileNames?: string[]):
{srcFilesToEmit: ts.SourceFile[]; jsonFilesToEmit: GeneratedFile[]; emitAllFiles: boolean;} {
let srcFilesToEmit: ts.SourceFile[];
let jsonFilesToEmit: GeneratedFile[];
let emitAllFiles: boolean;
if (targetFileNames) {
emitAllFiles = false;
srcFilesToEmit = [];
jsonFilesToEmit = [];
for (const fileName of targetFileNames) {
const sf = this.tsProgram.getSourceFile(fileName);
if (!sf || sf.isDeclarationFile) continue;
srcFilesToEmit.push(sf);
if (!GENERATED_FILES.test(sf.fileName)) {
// find the .ngsummary.json file and mark it for emit as well
const ngSummaryFileName = sf.fileName.replace(EXT, '') + '.ngsummary.json';
const ngSummaryGenFile = this.getGeneratedFile(ngSummaryFileName);
if (ngSummaryGenFile) {
jsonFilesToEmit.push(ngSummaryGenFile);
}
}
}
} else {
const changedFiles: ts.SourceFile[] = [];
let useChangedFiles = !!this.oldProgramCachedFiles;
if (useChangedFiles) {
for (const sf of this.tsProgram.getSourceFiles()) {
if (sf.isDeclarationFile) continue;
if (this.hasChanged(sf.fileName)) {
changedFiles.push(sf);
}
if (changedFiles.length > MAX_FILE_COUNT_FOR_SINGLE_FILE_EMIT) {
useChangedFiles = false;
break;
}
}
}
if (useChangedFiles) {
emitAllFiles = false;
srcFilesToEmit = changedFiles;
jsonFilesToEmit = this.getGeneratedFiles().filter(
genFile => !!genFile.source && this.hasChanged(genFile.genFileName));
} else {
emitAllFiles = true;
srcFilesToEmit = this.tsProgram.getSourceFiles().filter(sf => !sf.isDeclarationFile);
jsonFilesToEmit = this.getGeneratedFiles().filter(genFile => !!genFile.source);
}
}
return {srcFilesToEmit, jsonFilesToEmit, emitAllFiles};
}
// Private members
private get compiler(): AotCompiler {
if (!this._compiler) {
@ -466,26 +374,14 @@ class AngularCompilerProgram implements Program {
return this._typeCheckHost !;
}
private get generatedFilesMap(): Map<string, GeneratedFile> {
if (!this._generatedFilesMap) {
this.createGenerateFiles();
}
return this._generatedFilesMap !;
}
private get generatedFiles(): GeneratedFile[] {
if (!this._generatedFilesMap) {
this.createGenerateFiles();
}
return this._generatedFiles !;
}
private calculateTransforms(customTransformers?: CustomTransformers): ts.CustomTransformers {
private calculateTransforms(
genFiles: Map<string, GeneratedFile>,
customTransformers?: CustomTransformers): ts.CustomTransformers {
const beforeTs: ts.TransformerFactory<ts.SourceFile>[] = [];
if (!this.options.disableExpressionLowering) {
beforeTs.push(getExpressionLoweringTransformFactory(this.metadataCache));
}
beforeTs.push(getAngularEmitterTransformFactory(this));
beforeTs.push(getAngularEmitterTransformFactory(genFiles));
if (customTransformers && customTransformers.beforeTs) {
beforeTs.push(...customTransformers.beforeTs);
}
@ -537,20 +433,20 @@ class AngularCompilerProgram implements Program {
let rootNames =
this.rootNames.filter(fn => !GENERATED_FILES.test(fn) || !hostAdapter.isSourceFile(fn));
if (this.options.noResolve) {
for (const rootName of this.rootNames) {
this.rootNames.forEach(rootName => {
if (hostAdapter.shouldGenerateFilesFor(rootName)) {
rootNames.push(...this._compiler.findGeneratedFileNames(rootName));
}
}
});
}
const tmpProgram = ts.createProgram(rootNames, this.options, hostAdapter, oldTsProgram);
const sourceFiles: string[] = [];
for (const sf of tmpProgram.getSourceFiles()) {
tmpProgram.getSourceFiles().forEach(sf => {
if (hostAdapter.isSourceFile(sf.fileName)) {
sourceFiles.push(sf.fileName);
}
}
});
return {tmpProgram, sourceFiles, hostAdapter, rootNames};
}
@ -559,7 +455,7 @@ class AngularCompilerProgram implements Program {
hostAdapter: TsCompilerAotCompilerTypeCheckHostAdapter, rootNames: string[]) {
this._analyzedModules = analyzedModules || emptyModules;
if (analyzedModules) {
for (const sf of tmpProgram.getSourceFiles()) {
tmpProgram.getSourceFiles().forEach(sf => {
if (sf.fileName.endsWith('.ngfactory.ts')) {
const {generate, baseFileName} = hostAdapter.shouldGenerateFile(sf.fileName);
if (generate) {
@ -571,7 +467,7 @@ class AngularCompilerProgram implements Program {
}
}
}
}
});
}
this._tsProgram = ts.createProgram(rootNames, this.options, hostAdapter, tmpProgram);
// Note: the new ts program should be completely reusable by TypeScript as:
@ -608,64 +504,95 @@ class AngularCompilerProgram implements Program {
throw e;
}
private createGenerateFiles() {
this._generatedFiles = this.compiler.emitAllImpls(this.analyzedModules);
this._generatedFilesMap = new Map<string, GeneratedFile>();
for (const genFile of this._generatedFiles) {
this._generatedFilesMap !.set(genFile.genFileName, genFile);
// Note: this returns a ts.Diagnostic so that we
// can return errors in a ts.EmitResult
private generateFilesForEmit(emitFlags: EmitFlags):
{genFiles: GeneratedFile[], genDiags: ts.Diagnostic[]} {
try {
if (!(emitFlags & EmitFlags.Codegen)) {
return {genFiles: [], genDiags: []};
}
let genFiles = this.compiler.emitAllImpls(this.analyzedModules);
if (this.oldProgramEmittedGeneratedFiles) {
const oldProgramEmittedGeneratedFiles = this.oldProgramEmittedGeneratedFiles;
genFiles = genFiles.filter(genFile => {
const oldGenFile = oldProgramEmittedGeneratedFiles.get(genFile.genFileUrl);
return !oldGenFile || !genFile.isEquivalent(oldGenFile);
});
}
return {genFiles, genDiags: []};
} catch (e) {
// TODO(tbosch): check whether we can actually have syntax errors here,
// as we already parsed the metadata and templates before to create the type check block.
if (isSyntaxError(e)) {
const genDiags: ts.Diagnostic[] = [{
file: undefined,
start: undefined,
length: undefined,
messageText: e.message,
category: ts.DiagnosticCategory.Error,
source: SOURCE,
code: DEFAULT_ERROR_CODE
}];
return {genFiles: [], genDiags};
}
throw e;
}
}
/**
* Returns undefined if all files should be emitted.
*/
private getSourceFilesForEmit(): ts.SourceFile[]|undefined {
// TODO(tbosch): if one of the files contains a `const enum`
// always emit all files -> return undefined!
let sourceFilesToEmit: ts.SourceFile[]|undefined;
if (this.oldProgramEmittedSourceFiles) {
sourceFilesToEmit = this.tsProgram.getSourceFiles().filter(sf => {
const oldFile = this.oldProgramEmittedSourceFiles !.get(sf.fileName);
return !sf.isDeclarationFile && !GENERATED_FILES.test(sf.fileName) && sf !== oldFile;
});
}
return sourceFilesToEmit;
}
private writeFile(
outFileName: string, outData: string, writeByteOrderMark: boolean,
onError?: (message: string) => void, sourceFiles?: ts.SourceFile[], genFile?: GeneratedFile) {
const isGenerated = GENERATED_FILES.test(outFileName);
if (!isGenerated && sourceFiles && sourceFiles.length === 1) {
const sf = sourceFiles[0];
if (!this.emittedSourceFiles) {
this.emittedSourceFiles = [];
}
// Note: sourceFile is the transformed sourcefile, not the original one!
this.emittedSourceFiles.push(this.tsProgram.getSourceFile(sf.fileName));
}
onError?: (message: string) => void, genFile?: GeneratedFile, sourceFiles?: ts.SourceFile[]) {
// collect emittedLibrarySummaries
let baseFile: ts.SourceFile|undefined;
if (genFile) {
baseFile = this.tsProgram.getSourceFile(genFile.srcFileName);
baseFile = this.tsProgram.getSourceFile(genFile.srcFileUrl);
if (baseFile) {
if (!this.emittedLibrarySummaries) {
this.emittedLibrarySummaries = [];
}
if (genFile.genFileName.endsWith('.ngsummary.json') &&
baseFile.fileName.endsWith('.d.ts')) {
if (genFile.genFileUrl.endsWith('.ngsummary.json') && baseFile.fileName.endsWith('.d.ts')) {
this.emittedLibrarySummaries.push({
fileName: baseFile.fileName,
text: baseFile.text,
sourceFile: baseFile,
});
this.emittedLibrarySummaries.push({fileName: genFile.genFileName, text: outData});
this.emittedLibrarySummaries.push({fileName: genFile.genFileUrl, text: outData});
if (!this.options.declaration) {
// If we don't emit declarations, still record an empty .ngfactory.d.ts file,
// as we might need it lateron for resolving module names from summaries.
const ngFactoryDts = genFile.genFileName.substring(0, genFile.genFileName.length - 15) +
'.ngfactory.d.ts';
const ngFactoryDts =
genFile.genFileUrl.substring(0, genFile.genFileUrl.length - 15) + '.ngfactory.d.ts';
this.emittedLibrarySummaries.push({fileName: ngFactoryDts, text: ''});
}
} else if (outFileName.endsWith('.d.ts') && baseFile.fileName.endsWith('.d.ts')) {
const dtsSourceFilePath = genFile.genFileName.replace(/\.ts$/, '.d.ts');
const dtsSourceFilePath = genFile.genFileUrl.replace(/\.ts$/, '.d.ts');
// Note: Don't use sourceFiles here as the created .d.ts has a path in the outDir,
// but we need one that is next to the .ts file
this.emittedLibrarySummaries.push({fileName: dtsSourceFilePath, text: outData});
}
}
if (!this.emittedGeneratedFiles) {
this.emittedGeneratedFiles = [];
}
this.emittedGeneratedFiles.push(genFile);
}
// Filter out generated files for which we didn't generate code.
// This can happen as the stub calculation is not completely exact.
// This can happen as the stub caclulation is not completely exact.
// Note: sourceFile refers to the .ngfactory.ts / .ngsummary.ts file
const isGenerated = GENERATED_FILES.test(outFileName);
if (isGenerated) {
if (!genFile || !genFile.stmts || genFile.stmts.length === 0) {
if (this.options.allowEmptyCodegenFiles) {
@ -682,13 +609,12 @@ class AngularCompilerProgram implements Program {
}
}
export const createProgram: CreateProgram = ({rootNames, options, host, oldProgram}: {
rootNames: string[],
options: CompilerOptions,
host: CompilerHost, oldProgram?: OldProgram
}) => {
export function createProgram(
{rootNames, options, host, oldProgram}:
{rootNames: string[], options: CompilerOptions, host: CompilerHost, oldProgram?: Program}):
Program {
return new AngularCompilerProgram(rootNames, options, host, oldProgram);
};
}
// Compute the AotCompiler options
function getAotCompilerOptions(options: CompilerOptions): AotCompilerOptions {
@ -842,3 +768,15 @@ export function i18nGetExtension(formatName: string): string {
throw new Error(`Unsupported format "${formatName}"`);
}
function mergeEmitResults(emitResults: ts.EmitResult[]): ts.EmitResult {
const diagnostics: ts.Diagnostic[] = [];
let emitSkipped = false;
const emittedFiles: string[] = [];
for (const er of emitResults) {
diagnostics.push(...er.diagnostics);
emitSkipped = emitSkipped || er.emitSkipped;
emittedFiles.push(...er.emittedFiles);
}
return {diagnostics, emitSkipped, emittedFiles};
}

5
packages/compiler-cli/src/transformers/util.ts
View File

@ -11,7 +11,6 @@ import * as ts from 'typescript';
import {DEFAULT_ERROR_CODE, Diagnostic, SOURCE} from './api';
export const GENERATED_FILES = /(.*?)\.(ngfactory|shim\.ngstyle|ngstyle|ngsummary)\.(js|d\.ts|ts)$/;
export const EXT = /(\.ts|\.d\.ts|\.js|\.jsx|\.tsx)$/;
export const enum StructureIsReused {Not = 0, SafeModules = 1, Completely = 2}
@ -30,7 +29,3 @@ export function createMessageDiagnostic(messageText: string): ts.Diagnostic&Diag
source: SOURCE,
};
}
export function isGeneratedFile(fileName: string): boolean {
return GENERATED_FILES.test(fileName);
}