blob: 3028abfd3c23df9f1a00f8913986afe5047df8c3 [file] [log] [blame]
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
library analyzer.src.summary.summary_file_builder;
import 'dart:collection';
import 'package:analyzer/dart/ast/ast.dart';
import 'package:analyzer/dart/ast/token.dart';
import 'package:analyzer/error/listener.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:analyzer/file_system/physical_file_system.dart';
import 'package:analyzer/src/dart/scanner/reader.dart';
import 'package:analyzer/src/dart/scanner/scanner.dart';
import 'package:analyzer/src/dart/sdk/sdk.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:analyzer/src/generated/parser.dart';
import 'package:analyzer/src/generated/sdk.dart';
import 'package:analyzer/src/generated/source.dart';
import 'package:analyzer/src/summary/format.dart';
import 'package:analyzer/src/summary/idl.dart';
import 'package:analyzer/src/summary/link.dart';
import 'package:analyzer/src/summary/summarize_ast.dart';
import 'package:analyzer/src/summary/summarize_elements.dart';
class SummaryBuilder {
final Iterable<Source> librarySources;
final AnalysisContext context;
final bool strong;
/**
* Create a summary builder for these [librarySources] and [context].
*/
SummaryBuilder(this.librarySources, this.context, this.strong);
/**
* Create an SDK summary builder for the dart SDK at the given [sdkPath].
*/
factory SummaryBuilder.forSdk(String sdkPath, bool strong) {
//
// Prepare SDK.
//
ResourceProvider resourceProvider = PhysicalResourceProvider.INSTANCE;
FolderBasedDartSdk sdk = new FolderBasedDartSdk(
resourceProvider, resourceProvider.getFolder(sdkPath), strong);
sdk.useSummary = false;
sdk.analysisOptions = new AnalysisOptionsImpl()..strongMode = strong;
//
// Prepare 'dart:' URIs to serialize.
//
Set<String> uriSet =
sdk.sdkLibraries.map((SdkLibrary library) => library.shortName).toSet();
uriSet.add('dart:html_common/html_common_dart2js.dart');
Set<Source> librarySources = new HashSet<Source>();
for (String uri in uriSet) {
librarySources.add(sdk.mapDartUri(uri));
}
return new SummaryBuilder(librarySources, sdk.context, strong);
}
/**
* Build the linked bundle and return its bytes.
*/
List<int> build() => new _Builder(context, librarySources, strong).build();
}
class _Builder {
final AnalysisContext context;
final Iterable<Source> librarySources;
final bool strong;
final Set<String> libraryUris = new Set<String>();
final Map<String, UnlinkedUnit> unlinkedMap = <String, UnlinkedUnit>{};
final PackageBundleAssembler bundleAssembler = new PackageBundleAssembler();
_Builder(this.context, this.librarySources, this.strong);
/**
* Build the linked bundle and return its bytes.
*/
List<int> build() {
librarySources.forEach(_addLibrary);
Map<String, LinkedLibraryBuilder> map = link(libraryUris, (uri) {
throw new StateError('Unexpected call to GetDependencyCallback($uri).');
}, (uri) {
UnlinkedUnit unlinked = unlinkedMap[uri];
if (unlinked == null) {
throw new StateError('Unable to find unresolved unit $uri.');
}
return unlinked;
}, (String name) {
throw new StateError('Unexpected call to GetDeclaredVariable($name).');
}, strong);
map.forEach(bundleAssembler.addLinkedLibrary);
return bundleAssembler.assemble().toBuffer();
}
void _addLibrary(Source source) {
String uriStr = source.uri.toString();
if (!libraryUris.add(uriStr)) {
return;
}
CompilationUnit unit = _addUnlinked(source);
for (Directive directive in unit.directives) {
if (directive is NamespaceDirective) {
String libUri = directive.uri.stringValue;
Source libSource = context.sourceFactory.resolveUri(source, libUri);
_addLibrary(libSource);
} else if (directive is PartDirective) {
String partUri = directive.uri.stringValue;
Source partSource = context.sourceFactory.resolveUri(source, partUri);
_addUnlinked(partSource);
}
}
}
CompilationUnit _addUnlinked(Source source) {
String uriStr = source.uri.toString();
CompilationUnit unit = _parse(source);
UnlinkedUnitBuilder unlinked = serializeAstUnlinked(unit);
unlinkedMap[uriStr] = unlinked;
bundleAssembler.addUnlinkedUnit(source, unlinked);
return unit;
}
CompilationUnit _parse(Source source) {
AnalysisErrorListener errorListener = AnalysisErrorListener.NULL_LISTENER;
String code = source.contents.data;
CharSequenceReader reader = new CharSequenceReader(code);
Scanner scanner = new Scanner(source, reader, errorListener);
scanner.scanGenericMethodComments = strong;
Token token = scanner.tokenize();
LineInfo lineInfo = new LineInfo(scanner.lineStarts);
Parser parser = new Parser(source, errorListener,
useFasta: context.analysisOptions.useFastaParser);
parser.enableOptionalNewAndConst = context.analysisOptions.previewDart2;
parser.parseGenericMethodComments = strong;
CompilationUnit unit = parser.parseCompilationUnit(token);
unit.lineInfo = lineInfo;
return unit;
}
}