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mapabloperexpr

NAME

mapabloperexpr - applies a function to all operands.

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SYNOPSYS

 #include "abl101.h"
 chain_list *mapabloperexpr( Function, Oper, Expr )
   chain_list * (*Function)();
   long       Oper;
   chain_list *Expr;
 

PARAMETERS

Function

Function name to apply to all operands.

Oper

Operator number.

Expr

Expression to scan.

DESCRIPTION

mapabloperexpr applies Function to all operands of Expr. mapabloperexpr creates a head of an operator expression having Oper as operator and adds the arguments calculated by applying Function to each arguments of Expr. Function must return an expression and must have a unique expression as argument.

RETURN VALUE

mapabloperexpr returns a new expression by applying Function to all the arguments of the operator expression Expr.

EXAMPLE

 #include "abl101.h"
    chain_list *MapFunction( MapExpr )
       chain_list *MapExpr;
    {
      return( createablnotexpr( dupablexpr( MapExpr ) ) );
    }
    chain_list *Expr;
    chain_list *Expr1;
    Expr = createablbinexpr( ABL_NOR,
                             createablatom( "a" ),
                             createablatom( "b" ) );
    Expr1 = mapabloperexpr( MapFunction, ABL_AND, Expr );
    /* displays ((not a) and (not b))  */
    viewablexpr( Expr1, ABL_VIEW_VHDL );
 

SEE ALSO

abl(1)

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