internal static CrawlSyntaxTree ParseTree(CrawlParser.Translation_unitContext context, string name)
{
TranslationUnitNode node = ParseTreeParser.ParseTranslationUnit(context);
node.OwningTree.CompilationUnitName = name;
return(node.OwningTree);
}
public static CrawlSyntaxTree ReadFile(string filename)
{
ICharStream charStream = new AntlrFileStream(filename, Encoding.UTF8);
CrawlLexer tokenSource = new CrawlLexer(charStream);
ITokenStream tokenStream = new CommonTokenStream(tokenSource);
CrawlParser parser = new CrawlParser(tokenStream);
//The translation_unit is the top rule in our grammar.
//Asking the parser to match that from the token stream leaves us at the top of the parse tree.
CrawlParser.Translation_unitContext rootContext = parser.translation_unit();
TranslationUnitNode node = ParseTreeParser.ParseTranslationUnit(rootContext);
node.OwningTree.CompilationUnitName = filename;
return(node.OwningTree);
}