ERROR

cup.cup

package Compilador;

import java_cup.runtime.*;
import java.util.ArrayList;

parser code
{:
/*No tiene mucha utilidad*/

private ArrayList<String> erroresSintacticos=new ArrayList();

/* Metodo al que se llama automáticamente ante algún error sintactico. */

public void syntax_error(Symbol s)
{
    System.out.println("Linea: " + (s.right+1) +" Columna: "+s.left+ ". Error Sintáctico, Identificador " +s.value + " no Esperado.");

    /*String que permite guardar los errores generados*/
    String errores=""+"Simbolo:"+s.value+" Fila:"+(s.right+1)+" Col:"+(s.left);

    erroresSintacticos.add(errores);
} 

/**Metodo al que se llama en el momento en que ya no es posible una recuperación de errores.*/
public void unrecovered_syntax_error(Symbol s) throws java.lang.Exception
{
    System.out.println("Linea " + (s.right+1)+ "Columna "+s.left+". Error Sintactico, Identificador " + s.value + " no Esperado (unrecovered).");
}

public ArrayList<String> obtenerErrores()
{
    return erroresSintacticos;
}

/* PARA PROPIEDADES -- GET Y SET DE LOS ARRAYLIST*/

/*
* HACER UN ARRAYLIST PARA LAS VARIABLES
* TDVARIABLE: variable, tipo, dato, nivel
*/
private List<TDVariable> listaVariables = new ArrayList();

public void agregarVariables(TDVariable variable)
{
    listaVariables.add(variable);
}

public List<TDVariable> obtenerVariable
{
    return listaVariables;
}

/*
* HACER UN ARRAYLIST PARA LOS VARIABLES DE REFERENCIA
* TDVarRef: variable, referencia, contexto
*/
private List<TDVarRef> listaVarRef = new ArrayList();

public void agregarVarRef(TDVarRef varRef)
{
    listaVarRef.add(varRef);
}

public List<TDVarRef> obtenerVarRef()
{
    return listaVarRef;
}

:}

action code
{:
/* DATOS VIVOS DENTRO DEL ANALIZADOR */

:}

/* SIMBOLOS TERMINALES */
terminal String mas, menos, por, div;
terminal String coma, ptcoma, llaveA, llaveC, parA, parC, igual; 
terminal String proyecto, var, printer, context, varref, rq, ptn, variable;
terminal String iden, cadena;
terminal Double decimal;

/* SIMBOLOS NO TERMINALES*/

non terminal String INICIA, CUERPO, VARIABLE, CONTEXT, CUERPOCTX;
non terminal Double EXP, A, B, C, D;
non terminal VALOR;

/* PRECEDENCIA DE OPERADORES */
precedence left mas;
precedence left menos;
precedence left por;
precedence left div;

/*Inicio de la gramatica*/

start with INICIA;

INICIA::= proyecto:p iden:i llaveA CUERPO llaveC {: System.out.println(p + " " + i) :};

CUERPO::= VARIABLE ptcoma CUERPO
        | CONTEXT CUERPO
        | ;

VARIABLE::= var variable:v igual VALOR {: System.out.println("variable=" + v) :};

CONTEXT::= context iden:i llaveA CUERPOCTX llaveC {: System.out.println("identificador=" + i); :};

CUERPOCTX::= VARIABLE ptcoma CUERPOCTX
            | printer parA VALOR parC CUERPOCTX
            | varref llaveA VALOR coma VALOR llaveC CUERPOCTX
            | ;

VALOR::= variable:v {: System.out.println("variable=" + v); :}
        | cadena:c {: System.out.println("cadena=" + c); :}
        | decimal:d {: System.out.println("numero=" + d); :}
        | rq parA EXP parC
        | ptn parA EXP coma EXP parC
        | EXP:e {: System.out.println("= " + e); :};

/****** ARITMETICA ******/
EXP::= EXP:l mas A:r {: RESULT = new Double(doubleValue(l) + doubleValue(r)); :}
    | A:a {: RESULT = a; :};
A::= A:l menos B:r {: RESULT = new Double(doubleValue(l) - doubleValue(r)); :}
    | B:b {: RESULT = b; :};
B::= B:l por C:r {: RESULT = new Double(doubleValue(l) * doubleValue(r)); :}
    | C:c {: RESULT = c; :};
C::= C:l div D:r {: RESULT = new Double(doubleValue(l) / doubleValue(r)); :}
    | D:d {: RESULT = d; :};
D::= decimal:num {: RESULT = num; :};

error.cmd

$ java -jar cup.jar -parser parser1 -symbols simbolos sintactico.cup
Warning : *** Reduce/Reduce conflict found in state #32
  between VALOR ::= decimal (*)
  and     D ::= decimal (*)
  under symbols: {coma, ptcoma, llaveC, parC}
  Resolved in favor of the first production.

Warning : *** Shift/Reduce conflict found in state #32
  between VALOR ::= decimal (*)
  under symbol coma
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between VALOR ::= decimal (*)
  under symbol ptcoma
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between VALOR ::= decimal (*)
  under symbol llaveC
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between VALOR ::= decimal (*)
  under symbol parC
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between D ::= decimal (*)
  under symbol coma
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between D ::= decimal (*)
  under symbol ptcoma
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between D ::= decimal (*)
  under symbol llaveC
  Resolved in favor of shifting.

Warning : *** Shift/Reduce conflict found in state #32
  between D ::= decimal (*)
  under symbol parC
  Resolved in favor of shifting.

Error : *** More conflicts encountered than expected -- parser generation aborted
------- CUP v0.11a beta 20060608 Parser Generation Summary -------
  1 error and 9 warnings
  24 terminals, 11 non-terminals, and 26 productions declared,
  producing 64 unique parse states.
  0 terminals declared but not used.
  0 non-terminals declared but not used.
  0 productions never reduced.
  9 conflicts detected (0 expected).
  No code produced.
---------------------------------------------------- (v0.11a beta 20060608)