protected AstNode ParseText(string text)
{
var s = new StreamReader(GenerateStreamFromString(text));
var stm = new AntlrInputStream(s);;
var lexer = new TigerLexer(stm);
var tokenStream = new CommonTokenStream(lexer);
var parser = new TigerParser(tokenStream);
var expContext = parser.program();
var contextVisitor = new BuildAstVisitor();
return(expContext.Accept(contextVisitor));
}
/// <summary>
/// 引数に与えられたMapGrammarの構文解析を行います。
/// </summary>
/// <param name="input">解析する文字列</param>
public MapData Parse(string input)
{
AntlrInputStream inputStream = new AntlrInputStream(input);
MapGrammarLexer lexer = new MapGrammarLexer(inputStream);
CommonTokenStream commonTokneStream = new CommonTokenStream(lexer);
SyntaxDefinitions.MapGrammarParser parser = new SyntaxDefinitions.MapGrammarParser(commonTokneStream);
parser.AddErrorListener(ErrorListener);
//parser.ErrorHandler = new MapGrammarErrorStrategy();
MapData value = null;
var cst = parser.root();
var ast = new BuildAstVisitor().VisitRoot(cst);
value = (MapData) new EvaluateMapGrammarVisitor().Visit(ast);
return(value);
}
/// <summary>
/// Compila el codigo que se encuentra en el fichero filename
/// </summary>
/// <param name="filename">El fichero a compilar</param>
/// <param name="typeName">El nombre del tipo que contendra las funciones que se definan</param>
/// <returns>Retorna una lista con los errores que se produjeron</returns>
private IEnumerable <AnalysisError> Compile(string filename, string typeName)
{
var s = new StreamReader(filename);
var stm = new AntlrInputStream(s);;
var lexer = new TigerLexer(stm);
var tokenStream = new CommonTokenStream(lexer);
var parser = new BengalaParser(tokenStream);
parser.ConfigErrorListeners();
var expContext = parser.program();
var contextVisitor = new BuildAstVisitor();
var errorsWarning = parser.Errors;
if (parser.NumberOfSyntaxErrors != 0 || parser.Errors.Any())
{
return(errorsWarning);
}
var astRoot = expContext.Accept(contextVisitor);
var generalScope = new Scope(null);
init = new Inizializator <ILCode>(generalScope);
InitScope(generalScope);
var errorListener = new BengalaBaseErrorListener();
var staticAnalysisVisitor = new StaticChecker(errorListener, generalScope);
astRoot.Accept(staticAnalysisVisitor);
if (GenerateCode && !errorListener.Errors.Any())
{
CreateCode(FileName(filename), typeName, astRoot);
}
return(errorListener.Errors);
}
