/// <summary>
/// retorna null si ocurrio un error al leer el archivo.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
private StaticEntity CreateStaticEntity(string path)
{
var src = File.ReadAllText(path);
var grammar = new PyUsacGrammar();
var langData = new LanguageData(grammar);
var parser = new Irony.Parsing.Parser(langData);//Para evitar conflicto con el namespace Parser
var parseTree = parser.Parse(src);
bool hasErrors = false;
foreach (var error in parseTree.ParserMessages)
{
if (error.Level == Irony.ErrorLevel.Error)
{
hasErrors = true;
}
ErrorFactory.CreateParsingError(error, path);
}
if (hasErrors)
{
return(null);
}
var astBuilder = new PyAstBuilder(new AstContext(langData), path);
astBuilder.BuildAst(parseTree);
var programNode = (ProgramNode)parseTree.Root.AstNode;
var entity = new StaticEntity(programNode);
entity.InitVisitor(true);
return(entity);
}
public static bool InterpretFromFileName(string filePath)
{
string src;
try
{
src = File.ReadAllText(filePath);
}
catch (Exception)
{
//Reprotar error de preprocesador
return(false);
}
var grammar = new PyUsacGrammar();
var langData = new LanguageData(grammar);
var parser = new Irony.Parsing.Parser(langData);//Para evitar conflicto con el namespace Parser
var parseTree = parser.Parse(src);
var root = parseTree.Root;
bool hasErrors = false;
foreach (var error in parseTree.ParserMessages)
{
if (error.Level == Irony.ErrorLevel.Error)
{
hasErrors = true;
}
ErrorHelper.ErrorFactory.CreateParsingError(error, filePath);
}
if (hasErrors)
{
return(false);
}
//var dotCode = GetDot(root);//Descomentar en debug mode! :)
var astBuilder = new PyAstBuilder(new AstContext(langData), filePath);
astBuilder.BuildAst(parseTree);
var programNode = (ProgramNode)parseTree.Root.AstNode;
//GetDot(programNode);//Descomentar en debug mode! :)
var entity = new StaticEntity(programNode);
entity.InitVisitor(true);
entity.InvokeMain();
TypeConstants.ClearTypeHashtable();
return(true);
}
