gsubscr.c

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*                            Open Watcom Project
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//
// GSUBSCR   : subscripting code generation routines
//

#include "ftnstd.h"
#include "global.h"
#include "fcodes.h"
#include "stmtsw.h"
#include "opn.h"
#include "emitobj.h"

extern  sym_id          GTempString(uint);


void    GBegSubScr( itnode *array_node ) {
//=========================================

// Start a subscript operation.

    array_node = array_node;
}


void    GSubScr( void ) {
//=================

// Generate one subscript.

}


void    GEndSubScr( itnode *arr ) {
//=================================

// Finish off a subscripting operation.

    itnode      *arg;
    int         dims;

    if( arr->opn.us & USOPN_FLD ) {
        PushOpn( arr );
        EmitOp( FC_FIELD_SUBSCRIPT );
        OutPtr( arr->sym_ptr );
        dims = _DimCount( arr->sym_ptr->fd.dim_ext->dim_flags );
    } else {
        EmitOp( FC_SUBSCRIPT );
        OutPtr( arr->sym_ptr );
        dims = _DimCount( arr->sym_ptr->ns.si.va.dim_ext->dim_flags );
    }
    arg = arr->list;
    while( dims != 0 ) {
        GenType( arg );
        arg = arg->link;
        --dims;
    }
    if( ( arr->opn.us & USOPN_FLD ) == 0 ) {
        if( ( StmtSw & SS_DATA_INIT ) == 0 ) {
            if( arr->sym_ptr->ns.typ == TY_CHAR ) {
                OutPtr( GTempString( 0 ) );
            }
        }
    }
    SetOpn( arr, USOPN_SAFE );
}