70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2004 Sanchez Computer Associates, Inc. *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "compiler.h"
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#include "opcode.h"
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#include "toktyp.h"
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#include "indir_enum.h"
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#include "advancewindow.h"
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#include "subscript.h"
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GBLREF char window_token;
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int f_name(oprtype *a, opctype op)
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{
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triple *r;
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oprtype *depth;
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bool gbl;
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error_def(ERR_VAREXPECTED);
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r = maketriple(op);
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gbl = FALSE;
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switch (window_token)
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{
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case TK_CIRCUMFLEX:
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gbl = TRUE;
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advancewindow();
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/* caution fall through */
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case TK_IDENT:
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if (!name_glvn(gbl, &r->operand[1]))
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return FALSE;
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depth = &r->operand[0];
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break;
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case TK_ATSIGN:
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r->opcode = OC_INDFNNAME;
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if (!indirection(&(r->operand[0])))
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return FALSE;
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depth = &r->operand[1];
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break;
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default:
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stx_error(ERR_VAREXPECTED);
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return FALSE;
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}
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/* allow for optional default value */
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if (window_token != TK_COMMA)
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{
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*depth = put_ilit(MAX_LVSUBSCRIPTS + 1); /* default to maximum number of subscripts allowed by law */
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/* ideally this should be MAX(MAX_LVSUBSCRIPTS, MAX_GVSUBSCRIPTS) but they are the same so take the easy path */
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assert(MAX_LVSUBSCRIPTS == MAX_GVSUBSCRIPTS); /* add assert to ensure our assumption is valid */
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} else
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{
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advancewindow();
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if (!strexpr(depth))
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return FALSE;
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}
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coerce(depth, OCT_MVAL);
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ins_triple(r);
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*a = put_tref(r);
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return TRUE;
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}
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