87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/****************************************************************
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* *
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* Copyright 2012 Fidelity Information Services, 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 "lv_val.h"
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#include "toktyp.h"
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#include "compiler.h"
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#include "opcode.h"
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#include "indir_enum.h"
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#include "cache.h"
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#include "op.h"
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#include <rtnhdr.h>
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#include "valid_mname.h"
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#include "gtm_string.h"
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#include "cachectl.h"
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#include "gtm_text_alloc.h"
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#include "callg.h"
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#include "mdq.h"
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#include "stack_frame.h"
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#include "stringpool.h"
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#include "mv_stent.h"
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#include "min_max.h"
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#include "glvn_pool.h"
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GBLREF bool undef_inhibit;
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GBLREF symval *curr_symval;
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error_def(ERR_UNDEF);
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/* [Used by FOR, SET and $ORDER()] Looks up a saved local variable. */
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lv_val *op_rfrshlvn(uint4 indx, opctype oc)
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{
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glvn_pool_entry *slot;
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ht_ent_mname *tabent;
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mname_entry targ_key;
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lv_val *lv;
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lvname_info *lvn_info;
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unsigned char buff[512], *end;
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DCL_THREADGBL_ACCESS;
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SETUP_THREADGBL_ACCESS;
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slot = &(TREF(glvn_pool_ptr))->slot[indx];
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assert(OC_SAVLVN == slot->sav_opcode);
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targ_key.var_name = slot->lvname->str;
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COMPUTE_HASH_MNAME(&targ_key);
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targ_key.marked = FALSE;
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if (add_hashtab_mname_symval(&curr_symval->h_symtab, &targ_key, NULL, &tabent))
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lv_newname(tabent, curr_symval);
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lvn_info = (lvname_info *)&slot->glvn_info;
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lvn_info->start_lvp = (lv_val *)tabent->value;
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switch (oc)
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{
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case OC_RFRSHLVN: /* no UNDEF for $ORDER()/$GET() from srchindx nor bogus opcode, so borrow "impossible" opcode */
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return (lv_val *)callg((callgfnptr)op_srchindx, (gparam_list *)lvn_info);
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break;
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case OC_PUTINDX:
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lv = (lv_val *)callg((callgfnptr)op_putindx, (gparam_list *)lvn_info);
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break;
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case OC_SRCHINDX:
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lv = (lv_val *)callg((callgfnptr)op_srchindx, (gparam_list *)lvn_info);
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if (NULL == lv)
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{ /* This path is currently only used by FOR. Issue UNDEF error even if NOUNDEF is enabled. */
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end = format_key_mvals(buff, SIZEOF(buff), lvn_info);
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rts_error(VARLSTCNT(4) ERR_UNDEF, 2, end - buff, buff);
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assert(FALSE);
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}
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break;
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case OC_M_SRCHINDX:
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/* not currently used */
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lv = (lv_val *)callg((callgfnptr)op_m_srchindx, (gparam_list *)lvn_info);
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break;
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default:
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GTMASSERT;
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}
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assert(lv);
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return lv;
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}
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