createabloper.3alc man page

createabloper — creates the head of an operator expression.

Synopsis

#include "abl101.h"
 chain_list ∗createabloper( Oper )
  long Oper;

Parameters

Oper

The operator number.

Description

createabloper creates the head of an operator expression. Arguments can be added to this expression with the addablhexpr and addablqexpr functions.  Operator can take the following values ABL_AND, ABL_OR, ABL_AND, ABL_XOR, ABL_NOT, ABL_NOR, ABL_NAND, ABL_NXOR,  ABL_STABLE, ABL_AF, ABL_AG, ABL_AX, ABL_AU, ABL_EF, ABL_EG, ABL_EX, ABL_EU.

Return Value

createabloper returns a pointer to the new operator expression.

Errors

"ablcreate: bad operator xx !",

The operator number must be defined.

Example

#include "abl101.h"
  chain_list ∗Expr;
  Expr = createabloper( ABL_OR );
  addablhexpr( Expr, createablatom( "a" ) );
  addablhexpr( Expr, createablatom( "b" ) );
  /* displays (a or b) */
  viewablexpr( Expr, ABL_VIEW_VHDL );

See Also

abl(1) createablatom(3), createablnotexpr(3), createablbinexpr(3), createablunaryexpr(3), createablxorbinexpr(3), addablhexpr(3), addablqexpr(3).

Referenced By

addablhexpr.3alc(3), addablqexpr.3alc(3), createablatom.3alc(3), createablbinexpr.3alc(3), createablnotexpr.3alc(3), createablunaryexpr.3alc(3), createablxorbinexpr.3alc(3).

October 1, 1997 ASIM/LIP6 ABL FUNCTIONS