public Sentencia AssignDeclaration(Sentencia S)
{
if (currentToken.Tipo == TipoToken.TK_ASSIGN)
{
S_Asignacion sAsignacion = new S_Asignacion();
currentToken = lex.NextToken();
sAsignacion.id.id = ((Campos)S).Var.id;
sAsignacion.Valor = Expr();
return DeclarationP(sAsignacion);
}
else
{
return S;
}
}
public Sentencia StatementP2(Variable Id)
{
if (currentToken.Tipo == TipoToken.TK_ASSIGN || currentToken.Tipo == TipoToken.TK_MASIGUAL || currentToken.Tipo == TipoToken.TK_MENOSIGUAL || currentToken.Tipo == TipoToken.TK_PORIGUAL || currentToken.Tipo == TipoToken.TK_ENTREIGUAL)
{
var Tip = currentToken.Tipo;
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_READ)
{
S_Read sRead = new S_Read();
sRead.var = Id;
#region Read
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return sRead;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo (");
}
#endregion
}
else
{
Expresiones E = Expr();
S_Asignacion sAsignacion = new S_Asignacion();
sAsignacion.id = Id;
if (Tip == TipoToken.TK_ASSIGN)
sAsignacion.Op = new Igual();
else if (Tip == TipoToken.TK_MASIGUAL)
sAsignacion.Op = new MasIgual();
else if (Tip == TipoToken.TK_MENOSIGUAL)
sAsignacion.Op = new MenosIgual();
else if (Tip == TipoToken.TK_PORIGUAL)
sAsignacion.Op = new PorIgual();
else if (Tip == TipoToken.TK_ENTREIGUAL)
sAsignacion.Op = new EntreIgual();
sAsignacion.Valor = E;
return sAsignacion;
}
}
else if (currentToken.Tipo == TipoToken.TK_OPENCOR)
{
currentToken = lex.NextToken();
S_Asignacion sAsignacion = new S_Asignacion();
sAsignacion.id = Id;
sAsignacion.id.acces = Expr();
if (currentToken.Tipo == TipoToken.TK_CLOSECOR)
{
currentToken = lex.NextToken();
Sentencia S = new Sentencia();
S = StatementP2(sAsignacion.id);
sAsignacion.Valor = ((S_Asignacion) S).Valor;
/*if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return sAsignacion;
}*/
return sAsignacion;
/*else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}*/
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ]");
}
}
else if (currentToken.Tipo == TipoToken.TK_MASMAS || currentToken.Tipo == TipoToken.TK_MENOSMENOS)
{
S_Asignacion sAsignacion = new S_Asignacion();
sAsignacion.id = Id;
if (currentToken.Tipo == TipoToken.TK_MASMAS)
sAsignacion.Op = new MasMas();
else if (currentToken.Tipo == TipoToken.TK_MENOSMENOS)
sAsignacion.Op = new MenosMenos();
Expresiones Ex = Expr();
sAsignacion.Valor = Ex;
return sAsignacion;
}
else
{
return null;
}
}
public Sentencia StatementP(Variable Id)
{
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
S_LlamadaFunc sLlamadaFunc = new S_LlamadaFunc();
sLlamadaFunc.Var = Id;
currentToken = lex.NextToken();
sLlamadaFunc.VarList = ExprList();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
return sLlamadaFunc;
}
else
{
throw new Exception("Error Sintactico - Falta simbolo )");
}
}
else
{
Sentencia S =new Sentencia();
S = StatementP2(Id);
return S;
}
}
public Sentencia DeclarationP(Sentencia C)
{
if (currentToken.Tipo == TipoToken.TK_COMA)
{
currentToken = lex.NextToken();
Campos CP = new Campos();
if (currentToken.Tipo == TipoToken.TK_ID)
{
Variable Var = new Variable();
Var.id = currentToken.Lexema;
currentToken = lex.NextToken();
C.sig = DeclarationP(CP);
return C;
}
else
{
throw new Exception("Error Sintactico - Se esperaba un identificador");
}
}
else if (currentToken.Tipo == TipoToken.TK_ASSIGN)
{
return AssignDeclaration(C);
}
else if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
S_Functions sFunctions = new S_Functions();
sFunctions.Retorno = ((Campos)C).Tip;
sFunctions.var.id = ((Campos)C).Var.id;
sFunctions.Campo = ParameterList();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
sFunctions.S = CompoundStatement();
return sFunctions;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return C;
}
else
{
throw new Exception("Error Sintactico - Se esperaba un fin sentencia");
}
}
public Sentencia Statement()
{
if (currentToken.Tipo == TipoToken.TK_PRINT)
{
#region Print
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
S_Print sPrint = new S_Print();
sPrint.Expr = Expr();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return sPrint;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo (");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_IF)
{
#region If
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
S_If sIf = new S_If();
sIf.Condicion = Expr();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
sIf.Cierto = CompoundStatement();
sIf.Falso = ELSE();
return sIf;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo (");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_WHILE)
{
#region While
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
S_While sWhile = new S_While();
sWhile.Condicion = Expr();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
sWhile.S = CompoundStatement();
return sWhile;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo (");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_DO)
{
#region Do
currentToken = lex.NextToken();
S_Do sDo = new S_Do();
sDo.S = CompoundStatement();
if (currentToken.Tipo == TipoToken.TK_WHILE)
{
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
sDo.Condicion = Expr();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return sDo;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo (");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba palabra fin de ciclo While");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_FOR)
{
#region For
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_OPENPAR)
{
currentToken = lex.NextToken();
S_For sFor = new S_For();
if (currentToken.Tipo == TipoToken.TK_CHAR || currentToken.Tipo == TipoToken.TK_FLOAT || currentToken.Tipo == TipoToken.TK_INT)
{
sFor.Tip = Type();
}
if (currentToken.Tipo == TipoToken.TK_ID)
{
sFor.Var.id = currentToken.Lexema;
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_ASSIGN)
{
currentToken = lex.NextToken();
sFor.Inicio = Expr();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
sFor.Condicion = Expr();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
sFor.Iteracion = Expr();
if (currentToken.Tipo == TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
sFor.S = CompoundStatement();
return sFor;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo )");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo asignacion =");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba un Identificador");
}
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo (");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_RETURN)
{
#region Return
currentToken = lex.NextToken();
S_Return sReturn = new S_Return();
sReturn.Expr = Expr();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return sReturn;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_BREAK)
{
#region Break
currentToken = lex.NextToken();
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
S_Break sBreak = new S_Break();
currentToken = lex.NextToken();
return sBreak;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_ID)
{
#region Id
Sentencia S = new Sentencia();
Variable Id = new Variable();
Id.id = currentToken.Lexema;
currentToken = lex.NextToken();
S = StatementP(Id);
if (currentToken.Tipo == TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return S;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo ;");
}
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_CHAR || currentToken.Tipo == TipoToken.TK_BOOL || currentToken.Tipo == TipoToken.TK_STRING || currentToken.Tipo == TipoToken.TK_FLOAT || currentToken.Tipo == TipoToken.TK_INT || currentToken.Tipo == TipoToken.TK_PRIVATE || currentToken.Tipo == TipoToken.TK_PUBLIC)
{
#region Declaraciones
Sentencia S = new Sentencia();
S = Declaration();
return S;
#endregion
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_SWITCH)
{
#region Switch
currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Error Sintactico - Se esperaba un (");
currentToken = lex.NextToken();
S_Switch sSwitch = new S_Switch();
sSwitch.Var = Expr();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Error Sintactico - Se esperaba una )");
currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_OPENLLAVE)
throw new Exception("Error Sintactico - Se esperaba una {");
currentToken = lex.NextToken();
sSwitch.Casos = Cases();
if (currentToken.Tipo != Lexico.TipoToken.TK_DEFAULT)
throw new Exception("Error Sintactico - Se esperaba la palabra reservada DEFAULT");
currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_DOSPUNTOS)
throw new Exception("Error Sintactico - Se esperaba el simbolo :");
currentToken = lex.NextToken();
sSwitch.sdefault = StatementList();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSELLAVE)
throw new Exception("Error Sintactico - Se esperaba una }");
currentToken = lex.NextToken();
return sSwitch;
#endregion
}
else if (currentToken.Tipo == TipoToken.TK_CLASS)
{
return Clases();
}
return null;
}
public Sentencia CompoundStatement()
{
if (currentToken.Tipo == Lexico.TipoToken.TK_OPENLLAVE)
{
currentToken = lex.NextToken();
Sentencia S = new Sentencia();
S=StatementList();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSELLAVE)
throw new Exception("Se esperaba una }");
currentToken = lex.NextToken();
return S;
}
return null;
}
public Sentencia CompoundStatement()
{
if (currentToken.Tipo == TipoToken.TK_OPENLLAVE)
{
currentToken = lex.NextToken();
Sentencia S = new Sentencia();
S = StatementList();
if (currentToken.Tipo == TipoToken.TK_CLOSELLAVE)
{
currentToken = lex.NextToken();
return S;
}
else
{
throw new Exception("Error Sintactico - Se esperaba simbolo }");
}
}
else
{
return null;
}
}
public Sentencia StatementP2(Variable id)
{
if (currentToken.Tipo == Lexico.TipoToken.TK_ASSIGN)
{
S_Asignacion sasign = new S_Asignacion();
sasign.Op = new Igual();
sasign.id = id;
currentToken = lex.NextToken();
sasign.Valor= Expression();
return sasign;
}
else if(currentToken.Tipo == Lexico.TipoToken.TK_MASIGUAL)
{
S_Asignacion sasign = new S_Asignacion();
sasign.Op = new MasIgual();
sasign.id = id;
currentToken = lex.NextToken();
sasign.Valor = Expression();
return sasign;
}
else if(currentToken.Tipo == Lexico.TipoToken.TK_MENOSIGUAL)
{
S_Asignacion sasign = new S_Asignacion();
sasign.Op = new MenosIgual();
sasign.id = id;
currentToken = lex.NextToken();
sasign.Valor = Expression();
return sasign;
}
else if(currentToken.Tipo == Lexico.TipoToken.TK_PORIGUAL)
{
S_Asignacion sasign = new S_Asignacion();
sasign.Op = new PorIgual();
sasign.id = id;
currentToken = lex.NextToken();
sasign.Valor = Expression();
return sasign;
}
else if(currentToken.Tipo == Lexico.TipoToken.TK_ENTREIGUAL)
{
S_Asignacion sasign = new S_Asignacion();
sasign.Op = new EntreIgual();
sasign.id = id;
currentToken = lex.NextToken();
sasign.Valor = Expression();
return sasign;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_OPENCOR)
{
currentToken = lex.NextToken();
S_Asignacion assig = new S_Asignacion();
assig.id = id;
assig.id.acces=Expression();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSECOR)
throw new Exception("Se esperaba el token ]");
Sentencia S = new Sentencia();
S=StatementP2(assig.id);
assig.Valor = ((S_Asignacion)S).Valor;
if(currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba el token ;");
currentToken = lex.NextToken();
return assig;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_MENOSMENOS || currentToken.Tipo == Lexico.TipoToken.TK_MASMAS)
{
S_Asignacion sAsignacion = new S_Asignacion();
sAsignacion.id = id;
if (currentToken.Tipo == Lexico.TipoToken.TK_MASMAS)
sAsignacion.Op = new MasMas();
else if (currentToken.Tipo == Lexico.TipoToken.TK_MENOSMENOS)
sAsignacion.Op = new MenosMenos();
Expresiones Ex = Expression();
sAsignacion.Valor = Ex;
return sAsignacion;
}
return null;
}
public Sentencia StatementP(Variable id)
{
if (currentToken.Tipo == Lexico.TipoToken.TK_OPENPAR)
{
S_LlamadaFunc sfunc = new S_LlamadaFunc();
sfunc.Var=id;
currentToken = lex.NextToken();
sfunc.VarList= ExpreList();
if (currentToken.Tipo == Lexico.TipoToken.TK_CLOSEPAR)
{
currentToken = lex.NextToken();
return sfunc;
}
else
throw new Exception("Se esperaba el token )");
}
else
{
Sentencia S = new Sentencia();
S=StatementP2(id);
return S;
}
}
public Sentencia Statement()
{
if (this.currentToken.Tipo == Lexico.TipoToken.TK_PRINT)
{
this.currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
S_Print sprint = new S_Print();
sprint.Expr = Expression();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba un )");
this.currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
return sprint;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_READ)
{
this.currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
this.currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_ID)
throw new Exception("Se esperaba un ID");
S_Read sread = new S_Read();
sread.var.id = currentToken.Lexema;
this.currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba un )");
this.currentToken = lex.NextToken();
if (currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
return sread;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_IF)
{
S_If sif = new S_If();
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
this.currentToken = lex.NextToken();
sif.Condicion = Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba un )");
this.currentToken = lex.NextToken();
sif.Cierto = CompoundStatement();
sif.Falso = Else();
return sif;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_WHILE)
{
S_While swhile = new S_While();
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
this.currentToken = lex.NextToken();
swhile.Condicion = Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba un )");
this.currentToken = lex.NextToken();
swhile.S = CompoundStatement();
return swhile;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_DO)
{
S_Do sdo = new S_Do();
this.currentToken = lex.NextToken();
sdo.S = CompoundStatement();
if (this.currentToken.Tipo == Lexico.TipoToken.TK_WHILE)
{
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
this.currentToken = lex.NextToken();
sdo.Condicion = Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba un )");
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
return sdo;
}
else
throw new Exception("Se esperaba la palabra reservada WHILE");
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_FOR)
{
S_For sfor = new S_For();
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_ID)
throw new Exception("Se esperaba un ID");
sfor.Var.id = this.currentToken.Lexema;
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_ASSIGN)
throw new Exception("Se esperaba el simbolo =");
this.currentToken = lex.NextToken();
sfor.Inicio = Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
sfor.Condicion = Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
sfor.Iteracion = Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba un )");
this.currentToken = lex.NextToken();
sfor.S = CompoundStatement();
return sfor;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_RETURN)
{
S_Return sreturn = new S_Return();
this.currentToken = lex.NextToken();
sreturn.Expr=Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
return sreturn;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_BREAK)
{
S_Break sbreak = new S_Break();
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba un ;");
this.currentToken = lex.NextToken();
return sbreak;
}
else if (this.currentToken.Tipo == Lexico.TipoToken.TK_SWITCH)
{
S_Switch sSwitch = new S_Switch();
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_OPENPAR)
throw new Exception("Se esperaba un (");
this.currentToken = lex.NextToken();
sSwitch.Var= Expression();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba una )");
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_OPENLLAVE)
throw new Exception("Se esperaba una {");
this.currentToken = lex.NextToken();
sSwitch.Casos= Cases();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_DEFAULT)
throw new Exception("Se esperaba la palabra reservada DEFAULT");
this.currentToken = lex.NextToken();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_DOSPUNTOS)
throw new Exception("Se esperaba el simbolo :");
this.currentToken = lex.NextToken();
sSwitch.sdefault=StatementList();
if (this.currentToken.Tipo != Lexico.TipoToken.TK_CLOSELLAVE)
throw new Exception("Se esperaba una }");
this.currentToken = lex.NextToken();
return sSwitch;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_ID)
{
Sentencia S = new Sentencia();
Variable Id = new Variable();
Id.id= currentToken.Lexema;
currentToken = lex.NextToken();
S=StatementP(Id);
if (currentToken.Tipo != Lexico.TipoToken.TK_FINSENTENCIA)
throw new Exception("Se esperaba el simbolo ;");
currentToken = lex.NextToken();
return S;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_PUBLIC || currentToken.Tipo == Lexico.TipoToken.TK_PRIVATE)
{
currentToken = lex.NextToken();
Sentencia s = new Sentencia();
s=Declaration();
return s;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_INT || currentToken.Tipo == Lexico.TipoToken.TK_FLOAT || currentToken.Tipo == Lexico.TipoToken.TK_CHAR ||
currentToken.Tipo == Lexico.TipoToken.TK_TRUE || currentToken.Tipo == Lexico.TipoToken.TK_FALSE)
{
Sentencia s = new Sentencia();
s = Declaration();
return s;
}
return null;
}
public Sentencia DeclarationP(Sentencia campos)
{
if (currentToken.Tipo == Lexico.TipoToken.TK_COMA)
{
currentToken = lex.NextToken();
Campos c = new Campos();
if (currentToken.Tipo != Lexico.TipoToken.TK_ID)
throw new Exception("Se esperaba el token ID");
c.Var.id = currentToken.Lexema;
currentToken = lex.NextToken();
campos.sig=DeclarationP(c);
return campos;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_ASSIGN)
{
S_Asignacion sasignacion = new S_Asignacion();
sasignacion.id.id = ((Campos)campos).Var.id;
currentToken = lex.NextToken();
sasignacion.Valor= Expression();
return DeclarationP(sasignacion);
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_OPENPAR)
{
S_Functions sfunciones = new S_Functions();
currentToken = lex.NextToken();
sfunciones.Retorno = ((Campos)campos).Tip;
sfunciones.var.id = ((Campos)campos).Var.id;
sfunciones.Campo= ParametroList();
if (currentToken.Tipo != Lexico.TipoToken.TK_CLOSEPAR)
throw new Exception("Se esperaba el token )");
currentToken = lex.NextToken();
sfunciones.S= CompoundStatement();
return sfunciones;
}
else if (currentToken.Tipo == Lexico.TipoToken.TK_FINSENTENCIA)
{
currentToken = lex.NextToken();
return campos;
}
else
throw new Exception("Se esperaba el token ;");
}
public Sentencia ListaDeclaracion(Sentencia Decls)
{
if (currentToken.Tipo == TipoToken.TK_CHAR || currentToken.Tipo == TipoToken.TK_BOOL || currentToken.Tipo == TipoToken.TK_STRING || currentToken.Tipo == TipoToken.TK_FLOAT ||
currentToken.Tipo == TipoToken.TK_INT || currentToken.Tipo == TipoToken.TK_PRIVATE || currentToken.Tipo == TipoToken.TK_PUBLIC || currentToken.Tipo == TipoToken.TK_CLASS || currentToken.Tipo == TipoToken.TK_VOID)
{
try
{
Decls = Declaraciones();
Decls.sig = ListaDeclaracion(Decls);
}
catch (Exception ex)
{
throw ex;
}
return Decls;
}
else if (currentToken.Tipo == TipoToken.TK_ID)
{
try
{
Decls = DeclaracionesClase();
Decls.sig = ListaDeclaracion(Decls);
}
catch (Exception ex)
{
throw ex;
}
return Decls;
}
return null;
}
