createabloper3

Synopsys

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

Parameters

Oper

The operator number.

Overview

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 !",

Examples

#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 );