102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2010 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 "gtm_string.h"
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#include <rtnhdr.h>
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#include "stack_frame.h"
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#include "mvalconv.h"
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#include "op.h"
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#include "dollar_zlevel.h"
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#include "mv_stent.h"
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#include "error_trap.h"
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#include "gtm_caseconv.h"
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/* -----------------------------------------------------------------------------------
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* op_fnstack2()
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*
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* MUMPS Stack function (with 2 parameters)
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*
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* Parameters:
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* level - Integer containing level counter
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* info - Pointer to mval containing one of "PLACE", "MCODE" or "ECODE"
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* result - Pointer to mval containing the requested information
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* -----------------------------------------------------------------------------------
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*/
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GBLREF stack_frame *error_frame;
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GBLREF dollar_ecode_type dollar_ecode; /* structure containing $ECODE related information */
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GBLREF dollar_stack_type dollar_stack; /* structure containing $STACK related information */
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#define GET_FRAME_INFO(level, mode, cur_zlevel, result) \
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{ \
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assert(level < cur_zlevel); \
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switch(mode) \
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{ \
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case DOLLAR_STACK_ECODE: \
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assert(0 == result->str.len); \
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break; \
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case DOLLAR_STACK_PLACE: \
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case DOLLAR_STACK_MCODE: \
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get_frame_place_mcode(level, mode, cur_zlevel, result); \
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break; \
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default: \
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GTMASSERT; \
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} \
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}
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void op_fnstack2(int level, mval *info, mval *result)
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{
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int cur_zlevel;
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stack_mode_t mode;
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unsigned char info_upper[SIZEOF("MCODE")];
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error_def(ERR_INVSTACODE);
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mode = DOLLAR_STACK_INVALID;
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/* make sure that info is one of the three valid strings */
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MV_FORCE_STR(info); /* force input string to null string in case it is undefined */
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if (info->str.len == 5)
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{
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lower_to_upper(info_upper, (unsigned char *)info->str.addr, 5);
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if (!memcmp("MCODE", info_upper, SIZEOF("MCODE")-1))
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mode = DOLLAR_STACK_MCODE;
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else if (!memcmp("ECODE", info_upper, SIZEOF("ECODE")-1))
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mode = DOLLAR_STACK_ECODE;
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else if (!memcmp("PLACE", info_upper, SIZEOF("PLACE")-1))
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mode = DOLLAR_STACK_PLACE;
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}
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if (DOLLAR_STACK_INVALID == mode)
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rts_error(VARLSTCNT(4) ERR_INVSTACODE, 2, info->str.len, info->str.addr);
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result->mvtype = MV_STR;
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result->str.len = 0; /* set result to null string before any processing */
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cur_zlevel = dollar_zlevel();
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if (0 <= level)
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{
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if (!dollar_stack.index)
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{
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if (level < cur_zlevel)
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{
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GET_FRAME_INFO(level, mode, cur_zlevel, result);
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}
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} else if (level < dollar_stack.index)
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get_dollar_stack_info(level, mode, result);
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else if (!dollar_stack.incomplete && (1 == dollar_ecode.index)
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&& (error_frame == dollar_ecode.first_ecode_error_frame) && (level < cur_zlevel))
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{
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GET_FRAME_INFO(level, mode, cur_zlevel, result);
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}
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}
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return;
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}
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