56 lines
2.0 KiB
JavaScript
56 lines
2.0 KiB
JavaScript
import {Compiler as TraceurCompiler} from 'traceur/src/Compiler';
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import {ClassTransformer} from './dart_class_transformer';
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import {DartTreeWriter} from './dart_writer';
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import {CollectingErrorReporter} from 'traceur/src/util/CollectingErrorReporter';
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import {Parser} from './parser';
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import {SourceFile} from 'traceur/src/syntax/SourceFile';
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import {
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options as traceurOptions
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} from 'traceur/src/Options';
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export class Compiler extends TraceurCompiler {
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constructor(options, sourceRoot) {
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super(options, sourceRoot);
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}
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compile(source, filename) {
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var parsed = this.parse(source, filename || '<unknown_file>');
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if (this.options_.outputLanguage === 'dart') {
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return this.writeDart(this.transformDart(parsed), filename);
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} else {
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return this.write(this.transform(parsed));
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}
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}
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transformDart(tree) {
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var transformer = new ClassTransformer();
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return transformer.transformAny(tree);
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}
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writeDart(tree, filename) {
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var writer = new DartTreeWriter();
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writer.visitAny(tree);
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// TODO: Do this in the writer...
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var library = 'library '+this.resolveModuleName(filename).replace(/\//g, '.')+';\n';
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return library + writer.toString();
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}
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// Copy of the original method to use our custom Parser
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parse(content, sourceName) {
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if (!content) {
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throw new Error('Compiler: no content to compile.');
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} else if (!sourceName) {
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throw new Error('Compiler: no source name for content.');
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}
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this.sourceMapGenerator_ = null;
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// Here we mutate the global/module options object to be used in parsing.
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traceurOptions.setFromObject(this.options_);
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var errorReporter = new CollectingErrorReporter();
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sourceName = this.sourceName(sourceName);
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var sourceFile = new SourceFile(sourceName, content);
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var parser = new Parser(sourceFile, errorReporter);
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var tree =
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this.options_.script ? parser.parseScript() : parser.parseModule();
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this.throwIfErrors(errorReporter);
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return tree;
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}
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}
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