devablxorexpr(3)
develops 'xor', 'nxor' in an expression.
SYNOPSYS
#include "abl101.h"
chain_list *devablxorexpr( Expr )
chain_list *Expr;
PARAMETERS
- Expr
-
Expression to develop.
DESCRIPTION
devablxorexpr develops 'xor' or 'xnor' in Expr.
The expression pointer Expr MUSTN'T be used after the call to this function.
RETURN VALUE
devablxorexpr returns a pointer to the modified expression.
EXAMPLE
#include "abl101.h"
chain_list *Expr;
Expr = createablbinexpr( ABL_XOR,
createablatom( "a" ),
createablatom( "b" ) );
Expr = devablxorexpr( Expr );
/* displays (a and (not b)) or ((not a) and b) */
viewablexpr( Expr, ABL_VIEW_VHDL );