1CREATEABLBINEXPR(3)              ABL FUNCTIONS             CREATEABLBINEXPR(3)
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NAME

6       createablbinexpr - creates a binary operator expression.
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SYNOPSIS

9       #include "abl101.h"
10       chain_list ∗createablbinexpr( Oper, Expr1, Expr2 )
11         long        Oper;
12         chain_list ∗Expr1;
13         chain_list ∗Expr2;
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PARAMETERS

16       Oper                The operator number.
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18       Expr1               The first expression.
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20       Expr2               The second expression.
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DESCRIPTION

23       createablbinexpr  creates the binary operator expression Expr1 Operator
24       Expr2.  If the operator of Expr1 and/or Expr2, and Operator are identi‐
25       cals  createablbinexpr  merges  eventually  the  sub-expressions.   The
26       expression pointers Expr1 and Expr2 MUSTN'T be used after the  call  to
27       this function.
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RETURN VALUE

30       createablbinexpr returns a pointer to the new operator expression.
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ERRORS

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

37       #include "abl101.h"
38          chain_list ∗ExprA;
39          chain_list ∗ExprB;
40          chain_list ∗ExprAorB;
41          ExprA = createablatom( "a" );
42          ExprB = createablatom( "b" );
43          ExprAorB  = createablbinexpr( ABL_OR, ExprA, ExprB );
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SEE ALSO

46       abl(1) createablatom(3), createabloper(3), createablxorbinexpr(3), cre‐
47       ateablunaryexpr(3),   createablnotexpr(3),   addablhexpr(3),   addablq‐
48       expr(3).
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55ASIM/LIP6                       October 1, 1997            CREATEABLBINEXPR(3)