Sigmund Cherem
2a9588da40
R=jmesserly@google.com Review URL: https://chromereviews.googleplex.com/131967013
69 lines
2.3 KiB
Dart
69 lines
2.3 KiB
Dart
/// Command line tool to run the checker on a Dart program.
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library ddc.devc;
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import 'dart:async';
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import 'package:path/path.dart' as path;
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import 'package:analyzer/analyzer.dart';
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import 'package:analyzer/src/generated/ast.dart';
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import 'package:analyzer/src/generated/element.dart';
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import 'package:logging/logging.dart' show Level, Logger, LogRecord;
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import 'package:ddc/src/checker/checker.dart';
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import 'package:ddc/src/checker/resolver.dart' show TypeResolver;
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import 'package:ddc/src/codegen/dart_codegen.dart';
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import 'package:ddc/src/codegen/js_codegen.dart';
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import 'package:ddc/src/utils.dart';
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/// Sets up the type checker logger to print a span that highlights error
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/// messages.
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StreamSubscription setupLogger(Level level, printFn, {bool useColors: true}) {
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Logger.root.level = level;
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return Logger.root.onRecord.listen((LogRecord rec) {
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AstNode node = rec.error;
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if (node == null) {
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printFn('${rec.level.name.toLowerCase()}: ${rec.message}');
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return;
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}
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final root = node.root as CompilationUnit;
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final source = (root.element as CompilationUnitElementImpl).source;
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final begin = node is AnnotatedNode ?
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node.firstTokenAfterCommentAndMetadata.offset : node.offset;
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final span = spanFor(source, begin, node.end);
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final color = useColors ? colorOf(rec.level.name) : null;
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printFn('${span.message(rec.message, color: color)}');
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});
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}
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Future<bool> compile(String inputFile, TypeResolver resolver,
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{bool checkSdk: false, bool formatOutput: false, bool outputDart: false,
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String outputDir, bool useColors: true}) {
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// Run checker
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var uri = new Uri.file(path.absolute(inputFile));
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var results =
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checkProgram(uri, resolver, checkSdk: checkSdk, useColors: useColors);
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bool failure = results.failure;
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for (var lib in results.libraries) {
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for (var unit in lib.units) {
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failure = resolver.logErrors(unit.source) || failure;
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}
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}
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if (failure) return new Future.value(false);
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// Generate code.
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if (outputDir != null) {
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var cg = outputDart ?
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new DartGenerator(outputDir, uri, results.libraries, results.infoMap,
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results.rules, formatOutput) : new JSGenerator(
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outputDir, uri, results.libraries, results.infoMap, results.rules);
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return cg.generate().then((_) => true);
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}
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return new Future.value(true);
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}
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final _log = new Logger('ddc');
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