NAME

getablexprsupport - gives the expression's support.

See the file man1/alc_origin.1.

SYNOPSIS

#include "abl101.h"


 void ∗getablexprsupport( Expr, Mode )


  chain_list ∗Expr;


  int         Mode;

PARAMETERS

Expr

Expression.

Mode

The returned support's mode.

DESCRIPTION

getablexprsupport gives the support of Expr. if Mode is ABL_SUPPORT_CHAIN the support is returned using chain_list else it is returned using ptype_list. The support must be freed using the freechain or freeptype functions.

RETURN VALUE

getablexprsupport returns a pointer to a chain_list or a ptype_list.

EXAMPLE

#include "abl101.h"


  chain_list ∗Expr;


  ptype_list ∗Support;


  ptype_list ∗ScanSupport;


  Expr = createablbinexpr( ABL_AND,


                           createablatom( "a" ),


                           createablatom( "b" ) );


  Support = getablexprsupport( Expr, ABL_SUPPORT_PTYPE );


  /* displays a b */


  for ( ScanSupport  = Support; 


        ScanSupport != (ptype_list ∗)0;


        ScanSupport  = ScanSupport->NEXT )


  {


    printf( "%s ", (char *)ScanSupport->DATA );


  }


  freeptype( Support );

SEE ALSO

abl(1)

See the file man1/alc_bug_report.1.