/** Invoke a user supplied parse action. */
public override CUP.runtime.Symbol do_action(
int act_num,
CUP.runtime.lr_parser parser,
CUP.runtime.SymbolStack stack,
int top)
{
/* call code in generated class */
return(action_obj.CUP_parser_do_action(act_num, parser, stack, top));
}
/** Method with the actual generated action code. */
public CUP.runtime.Symbol CUP_parser_do_action(
int CUP_parser_act_num,
CUP.runtime.lr_parser CUP_parser_parser,
CUP.runtime.SymbolStack CUP_parser_stack,
int CUP_parser_top)
{
/* Symbol object for return from actions */
CUP.runtime.Symbol CUP_parser_result;
/* select the action based on the action number */
switch (CUP_parser_act_num)
{
/*. . . . . . . . . . . . . . . . . . . .*/
case 13: // expr ::= LPAREN expr RPAREN
{
decimal RESULT = decimal.Zero;
int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
decimal e = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value;
RESULT = e;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 12: // expr ::= MINUS expr
{
decimal RESULT = decimal.Zero;
int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = -e;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 11: // expr ::= REAL
{
decimal RESULT = decimal.Zero;
int nleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int nright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal n = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = n;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 10: // expr ::= INTEGER
{
decimal RESULT = decimal.Zero;
int nleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int nright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
int n = (int)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = n;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 9: // expr ::= expr MOD expr
{
decimal RESULT = decimal.Zero;
int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
decimal e1 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e2 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = (decimal)((int)e1 % (int)e2);
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 8: // expr ::= expr DIVIDE expr
{
decimal RESULT = decimal.Zero;
int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
decimal e1 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e2 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = e1 / e2;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 7: // expr ::= expr TIMES expr
{
decimal RESULT = decimal.Zero;
int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
decimal e1 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e2 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = e1 * e2;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 6: // expr ::= expr MINUS expr
{
decimal RESULT = decimal.Zero;
int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
decimal e1 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e2 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = e1 - e2;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 5: // expr ::= expr PLUS expr
{
decimal RESULT = decimal.Zero;
int e1left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
int e1right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
decimal e1 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
int e2left = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int e2right = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e2 = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = e1 + e2;
CUP_parser_result = new CUP.runtime.Symbol(3 /*expr*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 4: // expr_part ::= expr NT$0 SEMI
{
decimal RESULT = decimal.Zero;
// propagate RESULT from NT$0
if (((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value != null)
{
RESULT = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value;
}
int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left;
int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).right;
decimal e = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).Value;
CUP_parser_result = new CUP.runtime.Symbol(2 /*expr_part*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 2)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 3: // NT$0 ::=
{
Object RESULT = null;
int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = e;
Console.WriteLine("= " + e);
CUP_parser_result = new CUP.runtime.Symbol(4 /*NT$0*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 2: // expr_list ::= expr_part
{
decimal RESULT = decimal.Zero;
int eleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left;
int eright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right;
decimal e = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).Value;
RESULT = e;
CUP_parser_result = new CUP.runtime.Symbol(1 /*expr_list*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 1: // $START ::= expr_list EOF
{
Object RESULT = null;
int start_valleft = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left;
int start_valright = ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).right;
decimal start_val = (decimal)((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).Value;
RESULT = start_val;
CUP_parser_result = new CUP.runtime.Symbol(0 /*$START*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
/* ACCEPT */
CUP_parser_parser.done_parsing();
return(CUP_parser_result);
/*. . . . . . . . . . . . . . . . . . . .*/
case 0: // expr_list ::= expr_list expr_part
{
decimal RESULT = decimal.Zero;
CUP_parser_result = new CUP.runtime.Symbol(1 /*expr_list*/, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 1)).left, ((CUP.runtime.Symbol)CUP_parser_stack.Peek(CUP_parser_top - 0)).right, RESULT);
}
return(CUP_parser_result);
/* . . . . . .*/
default:
throw new Exception(
"Invalid action number found in internal parse table");
}
}