createablbinexpr

Langue: en

Version: October 1, 1997 (fedora - 05/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

createablbinexpr - creates a binary operator expression.
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SYNOPSYS

 #include "abl101.h"
 chain_list *createablbinexpr( Oper, Expr1, Expr2 )
   long        Oper;
   chain_list *Expr1;
   chain_list *Expr2;

PARAMETERS

Oper
The operator number.
Expr1
The first expression.
Expr2
The second expression.

DESCRIPTION

createablbinexpr creates the binary operator expression Expr1 Operator Expr2. If the operator of Expr1 and/or Expr2, and Operator are identicals createablbinexpr merges eventually the sub-expressions. The expression pointers Expr1 and Expr2 MUSTN'T be used after the call to this function.

RETURN VALUE

createablbinexpr returns a pointer to the new operator expression.

ERRORS

"ablcreate: bad operator xx !",
Operator must be defined and must be a binary operator.

EXAMPLE

 #include "abl101.h"
    chain_list *ExprA;
    chain_list *ExprB;
    chain_list *ExprAorB;
    ExprA = createablatom( "a" );
    ExprB = createablatom( "b" );
    ExprAorB  = createablbinexpr( ABL_OR, ExprA, ExprB );

SEE ALSO

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