411 lines
12 KiB
C
411 lines
12 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2011 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 "error.h"
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#include "lv_val.h"
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#include "subscript.h"
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#include "rtnhdr.h"
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#include "mv_stent.h"
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#include "mlkdef.h"
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#include "zshow.h"
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#include "compiler.h"
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#include "io.h"
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#include "stringpool.h"
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#include "gdsroot.h"
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#include "gdsblk.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "op.h"
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#include "mvalconv.h"
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#include "format_targ_key.h"
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#include "gtm_maxstr.h"
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#ifdef UNICODE_SUPPORTED
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#include "gtm_utf8.h"
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#endif
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#define F_SUBSC_LEN 3
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#define N_SUBSC_LEN 5
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#define MIN_DATASIZE 40
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#define ZSHOW_SPACE_INDENT 10 /* # of spaces every following line of zshow output is indented with */
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GBLREF io_pair io_curr_device;
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GBLREF spdesc stringpool;
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GBLREF gv_key *gv_currkey;
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GBLREF gd_region *gv_cur_region;
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GBLREF mv_stent *mv_chain;
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GBLREF unsigned char *msp, *stackwarn, *stacktop;
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GBLREF int process_exiting;
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error_def(ERR_ZSHOWGLOSMALL);
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error_def(ERR_STACKOFLOW);
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error_def(ERR_STACKCRIT);
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error_def(ERR_MAXNRSUBSCRIPTS);
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void zshow_output(zshow_out *out, const mstr *str)
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{
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mval *mv, lmv;
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lv_val *lv, *lv_child;
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char buff, *strptr, *strnext, *strtop, *strbase, *leadptr;
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int key_ovrhd, str_processed, n_spaces, sbs_depth, dbg_sbs_depth;
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ssize_t len, outlen, chcnt, char_len, disp_len ;
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int buff_len;
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int device_width, inchar_width, cumul_width;
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boolean_t is_base_var, lvundef, utf8_active;
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#ifdef UNICODE_SUPPORTED
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wint_t codepoint;
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#endif
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if (NULL != str)
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{
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buff_len = (int)(out->ptr - out->buff);
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out->size = MAXSTR_BUFF_ALLOC(str->len, out->buff, buff_len);
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out->ptr = out->buff + buff_len;
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}
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switch (out->type)
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{
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case ZSHOW_DEVICE:
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if (!process_exiting)
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{ /* Only if not exiting in case we are called from mdb_condition_handler
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* with stack overflow */
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PUSH_MV_STENT(MVST_MVAL);
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mv = &mv_chain->mv_st_cont.mvs_mval;
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} else
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mv = &lmv;
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mv->mvtype = 0; /* initialize mval in M-stack in case stp_gcol gets called before value gets initialized below */
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if (str)
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{
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len = str->len;
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strptr = str->addr;
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char_len = UNICODE_ONLY((gtm_utf8_mode) ? (ssize_t)UTF8_LEN_STRICT(strptr, (int)len) :) len;
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disp_len = UNICODE_ONLY((gtm_utf8_mode) ?
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(ssize_t)gtm_wcswidth((unsigned char *)strptr, (int)len, FALSE, 1) :) len;
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str_processed = 0;
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}
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device_width = io_curr_device.out->width;
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/* Do not indent if width is < the indentation length or if remaining width cannot accommodate one character */
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n_spaces = (device_width > (ZSHOW_SPACE_INDENT UNICODE_ONLY(+ (gtm_utf8_mode ? GTM_MB_DISP_LEN_MAX : 0)))
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? ZSHOW_SPACE_INDENT : 0);
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if (str && (disp_len + out->displen > device_width))
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{
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for (; (len > 0) && (disp_len + out->displen > device_width); )
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{
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assert(len <= out->size - (out->ptr - out->buff));
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strbase = strptr = str->addr + str_processed;
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strtop = str->addr + str->len;
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if (!gtm_utf8_mode)
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{
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outlen = device_width - out->len;
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chcnt = outlen;
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strptr += outlen;
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disp_len -= outlen;
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}
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#ifdef UNICODE_SUPPORTED
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else
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{
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utf8_active = (CHSET_M != io_curr_device.out->ichset); /* needed by GTM_IO_WCWIDTH macro */
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cumul_width = out->displen;
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for (chcnt = 0; chcnt < char_len; ++chcnt)
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{
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strnext = (char *)UTF8_MBTOWC(strptr, strtop, codepoint);
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GTM_IO_WCWIDTH(codepoint, inchar_width);
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if ((cumul_width + inchar_width) > device_width)
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break;
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cumul_width += inchar_width;
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disp_len -= inchar_width;
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strptr = strnext;
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}
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outlen = (ssize_t)(strptr - strbase);
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}
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#endif
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memcpy(out->ptr, strbase, outlen);
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out->ptr += outlen;
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str_processed += (int)outlen;
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len = (ssize_t)(strtop - strptr);
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char_len -= chcnt;
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assert((UNICODE_ONLY((gtm_utf8_mode) ?
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(ssize_t)UTF8_LEN_STRICT(strptr, (int)len) :) len) == char_len);
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mv->str.addr = out->buff;
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mv->str.len = INTCAST(out->ptr - out->buff);
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mv->mvtype = MV_STR;
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op_write(mv);
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op_wteol(1);
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out->ptr = out->buff + n_spaces;
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memset(out->buff, ' ', n_spaces);
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out->len = n_spaces;
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out->displen = n_spaces;
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out->line_num++;
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}
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}
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if (str)
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{
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memcpy(out->ptr, str->addr + str_processed, len);
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out->ptr += len;
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out->len += (int)char_len;
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out->displen += (int)disp_len;
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}
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if (out->flush && out->ptr != out->buff)
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{
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mv->str.addr = out->buff;
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mv->str.len = INTCAST(out->ptr - out->buff);
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mv->mvtype = MV_STR;
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op_write(mv);
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op_wteol(1);
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out->ptr = out->buff;
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out->len = 0;
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out->displen = 0;
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out->line_num++;
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}
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if (!process_exiting)
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{
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POP_MV_STENT();
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}
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break;
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case ZSHOW_LOCAL:
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if (!process_exiting)
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{
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PUSH_MV_STENT(MVST_MVAL);
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mv = &mv_chain->mv_st_cont.mvs_mval;
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} else
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mv = &lmv;
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mv->mvtype = 0; /* initialize mval in M-stack in case stp_gcol gets called before value gets initialized below */
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if (out->code)
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{
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if (out->code != out->curr_code)
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{
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ENSURE_STP_FREE_SPACE(1);
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mv->str.addr = (char *)stringpool.free;
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mv->str.len = 1;
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mv->mvtype = MV_STR;
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*mv->str.addr = out->code;
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stringpool.free++;
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lv = out->out_var.lv.lvar;
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out->out_var.lv.child = lv_child = op_srchindx(VARLSTCNT(2) lv, mv);
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if (NULL != lv_child)
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{
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lvundef = FALSE;
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if (!LV_IS_VAL_DEFINED(lv))
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{
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lv->v.mvtype = MV_STR;
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lv->v.str.len = 0;
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lvundef = TRUE;
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}
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op_kill(lv_child);
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if (lvundef)
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lv->v.mvtype = 0;
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}
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/* Check if we can add two more subscripts 1) out->code & 2) out->line_num */
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is_base_var = LV_IS_BASE_VAR(lv);
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LV_SBS_DEPTH(lv, is_base_var, sbs_depth);
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if (MAX_LVSUBSCRIPTS <= (sbs_depth + 2))
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rts_error(VARLSTCNT(1) ERR_MAXNRSUBSCRIPTS);
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out->out_var.lv.child = op_putindx(VARLSTCNT(2) lv, mv);
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DEBUG_ONLY(LV_SBS_DEPTH(out->out_var.lv.child, FALSE, dbg_sbs_depth);)
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assert(MAX_LVSUBSCRIPTS > (dbg_sbs_depth + 1));
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}
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if (str)
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{
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len = str->len;
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strptr = str->addr;
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str_processed = 0;
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if (str->len + (out->ptr - out->buff) > MAX_SRCLINE)
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{
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strtop = str->addr + str->len;
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lv_child = out->out_var.lv.child;
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assert(NULL != lv_child);
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for (; strptr != strtop; )
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{
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len = (ssize_t)(strtop - strptr);
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if (len <= MAX_SRCLINE - (out->ptr - out->buff))
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break;
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len = MAX_SRCLINE - (ssize_t)(out->ptr - out->buff);
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strbase = str->addr + str_processed;
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#ifdef UNICODE_SUPPORTED
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if (gtm_utf8_mode)
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{ /* terminate at the proper character boundary within MAX_SRCLINE bytes */
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UTF8_LEADING_BYTE(strbase + len, strbase, leadptr);
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len = (ssize_t)(leadptr - strbase);
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}
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#endif
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memcpy(out->ptr, strbase, len);
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strptr += len;
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out->ptr += len;
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str_processed += (int)len;
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mv->str.addr = 0;
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mv->str.len = 0;
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MV_FORCE_MVAL(mv, out->line_num);
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/* It is safe to add the second subscript here since the check for this
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* is already done in the previous if block (MAX_LVSUBSCRIPTS error)
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*/
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DEBUG_ONLY(LV_SBS_DEPTH(lv_child, FALSE, dbg_sbs_depth);)
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assert(MAX_LVSUBSCRIPTS > (dbg_sbs_depth + 1));
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lv = op_putindx(VARLSTCNT(2) lv_child, mv);
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ENSURE_STP_FREE_SPACE((int)(out->ptr - out->buff));
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mv->mvtype = MV_STR;
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mv->str.addr = (char *)stringpool.free;
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mv->str.len = INTCAST(out->ptr - out->buff);
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memcpy(mv->str.addr, &out->buff[0], mv->str.len);
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stringpool.free += mv->str.len;
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lv->v = *mv;
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out->ptr = out->buff + 10;
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memset(out->buff, ' ', 10);
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out->line_num++;
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}
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}
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memcpy(out->ptr, str->addr + str_processed, len);
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out->ptr += len;
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}
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if (out->flush && (out->ptr != out->buff))
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{
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mv->str.addr = 0;
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mv->str.len = 0;
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MV_FORCE_MVAL(mv, out->line_num);
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/* Check for if it is ok to add this second subscript is already done above (MAX_LVSUBSCRIPTS) */
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lv_child = out->out_var.lv.child;
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assert(NULL != lv_child);
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DEBUG_ONLY(LV_SBS_DEPTH(lv_child, FALSE, dbg_sbs_depth);)
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assert(MAX_LVSUBSCRIPTS > (dbg_sbs_depth + 1));
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lv = op_putindx(VARLSTCNT(2) lv_child, mv);
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ENSURE_STP_FREE_SPACE((int)(out->ptr - out->buff));
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mv->str.addr = (char *)stringpool.free;
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mv->str.len = INTCAST(out->ptr - out->buff);
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mv->mvtype = MV_STR;
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memcpy(mv->str.addr, &out->buff[0], mv->str.len);
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stringpool.free += mv->str.len;
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lv->v = *mv;
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out->ptr = out->buff;
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out->line_num++;
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}
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}
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if (!process_exiting)
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POP_MV_STENT();
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break;
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case ZSHOW_GLOBAL:
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if (!out->len)
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{
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key_ovrhd = gv_currkey->end + 1 + F_SUBSC_LEN + N_SUBSC_LEN;
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out->len = (int)(gv_cur_region->max_rec_size - key_ovrhd - SIZEOF(rec_hdr));
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if (out->len < MIN_DATASIZE)
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rts_error(VARLSTCNT(1) ERR_ZSHOWGLOSMALL);
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}
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if (!process_exiting)
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{
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PUSH_MV_STENT(MVST_MVAL);
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mv = &mv_chain->mv_st_cont.mvs_mval;
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} else
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mv = &lmv;
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mv->mvtype = 0; /* initialize mval in M-stack in case stp_gcol gets called before value gets initialized below */
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if (out->code && out->code != out->curr_code)
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{
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gv_currkey->end = out->out_var.gv.end;
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gv_currkey->prev = out->out_var.gv.prev;
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gv_currkey->base[gv_currkey->end] = 0;
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mv->mvtype = MV_STR;
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mv->str.len = 1;
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mv->str.addr = &buff;
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*mv->str.addr = out->code;
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mval2subsc(mv, gv_currkey);
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if (gv_currkey->end >= gv_cur_region->max_key_size)
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ISSUE_GVSUBOFLOW_ERROR(gv_currkey);
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op_gvkill();
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}
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if (str)
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{
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len = str->len;
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strptr = str->addr;
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str_processed = 0;
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}
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if (str && ((int)str->len + (out->ptr - out->buff) > out->len))
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{
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strtop = str->addr + str->len;
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for (; strptr != strtop; )
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{
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len = (ssize_t)(strtop - strptr);
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if (len <= out->len - (out->ptr - out->buff))
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break;
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len = out->len - (ssize_t)(out->ptr - out->buff);
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strbase = str->addr + str_processed;
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#ifdef UNICODE_SUPPORTED
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if (gtm_utf8_mode)
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{ /* terminate at the proper character boundary within out->len bytes */
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UTF8_LEADING_BYTE(strbase + len, strbase, leadptr);
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len = (ssize_t)(leadptr - strbase);
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}
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#endif
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memcpy(out->ptr, strbase, len);
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strptr += len;
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out->ptr += len;
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str_processed += (int)len;
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MV_FORCE_MVAL(mv, out->line_num);
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if (FIRST_LINE_OF_ZSHOW_OUTPUT(out))
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op_gvnaked(VARLSTCNT(1) mv);
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else
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{
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mval2subsc(mv, gv_currkey);
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if (gv_currkey->end >= gv_cur_region->max_key_size)
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ISSUE_GVSUBOFLOW_ERROR(gv_currkey);
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}
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ENSURE_STP_FREE_SPACE((int)(out->ptr - out->buff));
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mv->str.addr = (char *)stringpool.free;
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mv->str.len = INTCAST(out->ptr - out->buff);
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mv->mvtype = MV_STR;
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memcpy(mv->str.addr, &out->buff[0], mv->str.len);
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stringpool.free += mv->str.len;
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op_gvput(mv);
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out->ptr = out->buff + 10;
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memset(out->buff, ' ', 10);
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out->line_num++;
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}
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}
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if (str)
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{
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memcpy(out->ptr, str->addr + str_processed, len);
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out->ptr += len;
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}
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if (out->flush && out->ptr != out->buff)
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{
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MV_FORCE_MVAL(mv, out->line_num);
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if (FIRST_LINE_OF_ZSHOW_OUTPUT(out))
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op_gvnaked(VARLSTCNT(1) mv);
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else
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{
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mval2subsc(mv, gv_currkey);
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if (gv_currkey->end >= gv_cur_region->max_key_size)
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ISSUE_GVSUBOFLOW_ERROR(gv_currkey);
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}
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ENSURE_STP_FREE_SPACE((int)(out->ptr - out->buff));
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mv->str.addr = (char *)stringpool.free;
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mv->str.len = INTCAST(out->ptr - out->buff);
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mv->mvtype = MV_STR;
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memcpy(mv->str.addr, &out->buff[0], mv->str.len);
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stringpool.free += mv->str.len;
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op_gvput(mv);
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out->ptr = out->buff;
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out->line_num++;
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}
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if (!process_exiting)
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{
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POP_MV_STENT();
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}
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break;
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default:
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GTMASSERT;
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break;
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}
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out->curr_code = out->code;
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out->flush = 0;
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}
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