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https://github.com/vim/vim.git
synced 2025-09-29 04:34:16 -04:00
patch 8.1.0266: parsing Ex address range is not a separate function
Problem: Parsing Ex address range is not a separate function. Solution: Refactor do_one_cmd() to separate address parsing.
This commit is contained in:
Bram Moolenaar
339
src/ex_docmd.c
339
src/ex_docmd.c
@@ -1719,7 +1719,6 @@ do_one_cmd(
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cmdmod_T save_cmdmod;
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int ni; /* set when Not Implemented */
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char_u *cmd;
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int address_count = 1;
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vim_memset(&ea, 0, sizeof(ea));
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ea.line1 = 1;
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@@ -2045,168 +2044,9 @@ do_one_cmd(
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get_wincmd_addr_type(skipwhite(p), &ea);
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}
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/* repeat for all ',' or ';' separated addresses */
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ea.cmd = cmd;
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for (;;)
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{
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ea.line1 = ea.line2;
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switch (ea.addr_type)
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{
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case ADDR_LINES:
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/* default is current line number */
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ea.line2 = curwin->w_cursor.lnum;
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break;
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case ADDR_WINDOWS:
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ea.line2 = CURRENT_WIN_NR;
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break;
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case ADDR_ARGUMENTS:
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ea.line2 = curwin->w_arg_idx + 1;
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if (ea.line2 > ARGCOUNT)
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ea.line2 = ARGCOUNT;
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break;
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case ADDR_LOADED_BUFFERS:
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case ADDR_BUFFERS:
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ea.line2 = curbuf->b_fnum;
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break;
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case ADDR_TABS:
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ea.line2 = CURRENT_TAB_NR;
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break;
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case ADDR_TABS_RELATIVE:
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ea.line2 = 1;
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break;
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#ifdef FEAT_QUICKFIX
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case ADDR_QUICKFIX:
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ea.line2 = qf_get_cur_valid_idx(&ea);
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break;
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#endif
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}
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ea.cmd = skipwhite(ea.cmd);
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lnum = get_address(&ea, &ea.cmd, ea.addr_type, ea.skip,
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ea.addr_count == 0, address_count++);
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if (ea.cmd == NULL) /* error detected */
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goto doend;
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if (lnum == MAXLNUM)
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{
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if (*ea.cmd == '%') /* '%' - all lines */
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{
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++ea.cmd;
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switch (ea.addr_type)
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{
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case ADDR_LINES:
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ea.line1 = 1;
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ea.line2 = curbuf->b_ml.ml_line_count;
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break;
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case ADDR_LOADED_BUFFERS:
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{
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buf_T *buf = firstbuf;
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while (buf->b_next != NULL
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&& buf->b_ml.ml_mfp == NULL)
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buf = buf->b_next;
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ea.line1 = buf->b_fnum;
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buf = lastbuf;
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while (buf->b_prev != NULL
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&& buf->b_ml.ml_mfp == NULL)
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buf = buf->b_prev;
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ea.line2 = buf->b_fnum;
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break;
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}
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case ADDR_BUFFERS:
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ea.line1 = firstbuf->b_fnum;
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ea.line2 = lastbuf->b_fnum;
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break;
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case ADDR_WINDOWS:
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case ADDR_TABS:
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if (IS_USER_CMDIDX(ea.cmdidx))
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{
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ea.line1 = 1;
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ea.line2 = ea.addr_type == ADDR_WINDOWS
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? LAST_WIN_NR : LAST_TAB_NR;
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}
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else
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{
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/* there is no Vim command which uses '%' and
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* ADDR_WINDOWS or ADDR_TABS */
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errormsg = (char_u *)_(e_invrange);
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goto doend;
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}
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break;
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case ADDR_TABS_RELATIVE:
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errormsg = (char_u *)_(e_invrange);
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goto doend;
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break;
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case ADDR_ARGUMENTS:
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if (ARGCOUNT == 0)
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ea.line1 = ea.line2 = 0;
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else
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{
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ea.line1 = 1;
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ea.line2 = ARGCOUNT;
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}
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break;
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#ifdef FEAT_QUICKFIX
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case ADDR_QUICKFIX:
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ea.line1 = 1;
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ea.line2 = qf_get_size(&ea);
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if (ea.line2 == 0)
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ea.line2 = 1;
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break;
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#endif
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}
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++ea.addr_count;
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}
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/* '*' - visual area */
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else if (*ea.cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
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{
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pos_T *fp;
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if (ea.addr_type != ADDR_LINES)
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{
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errormsg = (char_u *)_(e_invrange);
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goto doend;
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}
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++ea.cmd;
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if (!ea.skip)
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{
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fp = getmark('<', FALSE);
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if (check_mark(fp) == FAIL)
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goto doend;
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ea.line1 = fp->lnum;
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fp = getmark('>', FALSE);
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if (check_mark(fp) == FAIL)
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goto doend;
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ea.line2 = fp->lnum;
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++ea.addr_count;
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}
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}
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}
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else
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ea.line2 = lnum;
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ea.addr_count++;
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if (*ea.cmd == ';')
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{
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if (!ea.skip)
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{
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curwin->w_cursor.lnum = ea.line2;
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/* don't leave the cursor on an illegal line or column */
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check_cursor();
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}
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}
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else if (*ea.cmd != ',')
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break;
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++ea.cmd;
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}
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/* One address given: set start and end lines */
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if (ea.addr_count == 1)
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{
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ea.line1 = ea.line2;
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/* ... but only implicit: really no address given */
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if (lnum == MAXLNUM)
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ea.addr_count = 0;
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}
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if (parse_cmd_address(&ea, &errormsg) == FAIL)
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goto doend;
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/*
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* 5. Parse the command.
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@@ -2988,6 +2828,179 @@ doend:
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#pragma optimize( "", on )
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#endif
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/*
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* Parse the address range, if any, in "eap".
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* Return FAIL and set "errormsg" or return OK.
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*/
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int
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parse_cmd_address(exarg_T *eap, char_u **errormsg)
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{
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int address_count = 1;
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linenr_T lnum;
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// Repeat for all ',' or ';' separated addresses.
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for (;;)
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{
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eap->line1 = eap->line2;
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switch (eap->addr_type)
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{
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case ADDR_LINES:
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// default is current line number
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eap->line2 = curwin->w_cursor.lnum;
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break;
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case ADDR_WINDOWS:
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eap->line2 = CURRENT_WIN_NR;
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break;
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case ADDR_ARGUMENTS:
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eap->line2 = curwin->w_arg_idx + 1;
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if (eap->line2 > ARGCOUNT)
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eap->line2 = ARGCOUNT;
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break;
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case ADDR_LOADED_BUFFERS:
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case ADDR_BUFFERS:
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eap->line2 = curbuf->b_fnum;
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break;
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case ADDR_TABS:
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eap->line2 = CURRENT_TAB_NR;
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break;
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case ADDR_TABS_RELATIVE:
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eap->line2 = 1;
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break;
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#ifdef FEAT_QUICKFIX
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case ADDR_QUICKFIX:
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eap->line2 = qf_get_cur_valid_idx(eap);
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break;
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#endif
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}
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eap->cmd = skipwhite(eap->cmd);
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lnum = get_address(eap, &eap->cmd, eap->addr_type, eap->skip,
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eap->addr_count == 0, address_count++);
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if (eap->cmd == NULL) // error detected
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return FAIL;
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if (lnum == MAXLNUM)
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{
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if (*eap->cmd == '%') // '%' - all lines
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{
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++eap->cmd;
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switch (eap->addr_type)
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{
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case ADDR_LINES:
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eap->line1 = 1;
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eap->line2 = curbuf->b_ml.ml_line_count;
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break;
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case ADDR_LOADED_BUFFERS:
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{
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buf_T *buf = firstbuf;
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while (buf->b_next != NULL
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&& buf->b_ml.ml_mfp == NULL)
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buf = buf->b_next;
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eap->line1 = buf->b_fnum;
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buf = lastbuf;
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while (buf->b_prev != NULL
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&& buf->b_ml.ml_mfp == NULL)
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buf = buf->b_prev;
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eap->line2 = buf->b_fnum;
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break;
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}
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case ADDR_BUFFERS:
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eap->line1 = firstbuf->b_fnum;
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eap->line2 = lastbuf->b_fnum;
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break;
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case ADDR_WINDOWS:
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case ADDR_TABS:
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if (IS_USER_CMDIDX(eap->cmdidx))
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{
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eap->line1 = 1;
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eap->line2 = eap->addr_type == ADDR_WINDOWS
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? LAST_WIN_NR : LAST_TAB_NR;
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}
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else
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{
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// there is no Vim command which uses '%' and
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// ADDR_WINDOWS or ADDR_TABS
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*errormsg = (char_u *)_(e_invrange);
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return FAIL;
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}
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break;
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case ADDR_TABS_RELATIVE:
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*errormsg = (char_u *)_(e_invrange);
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return FAIL;
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case ADDR_ARGUMENTS:
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if (ARGCOUNT == 0)
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eap->line1 = eap->line2 = 0;
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else
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{
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eap->line1 = 1;
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eap->line2 = ARGCOUNT;
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}
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break;
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#ifdef FEAT_QUICKFIX
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case ADDR_QUICKFIX:
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eap->line1 = 1;
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eap->line2 = qf_get_size(eap);
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if (eap->line2 == 0)
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eap->line2 = 1;
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break;
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#endif
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}
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++eap->addr_count;
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}
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else if (*eap->cmd == '*' && vim_strchr(p_cpo, CPO_STAR) == NULL)
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{
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pos_T *fp;
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// '*' - visual area
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if (eap->addr_type != ADDR_LINES)
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{
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*errormsg = (char_u *)_(e_invrange);
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return FAIL;
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}
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++eap->cmd;
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if (!eap->skip)
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{
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fp = getmark('<', FALSE);
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if (check_mark(fp) == FAIL)
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return FAIL;
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eap->line1 = fp->lnum;
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fp = getmark('>', FALSE);
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if (check_mark(fp) == FAIL)
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return FAIL;
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eap->line2 = fp->lnum;
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++eap->addr_count;
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}
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}
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}
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else
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eap->line2 = lnum;
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eap->addr_count++;
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if (*eap->cmd == ';')
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{
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if (!eap->skip)
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{
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curwin->w_cursor.lnum = eap->line2;
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// don't leave the cursor on an illegal line or column
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check_cursor();
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}
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}
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else if (*eap->cmd != ',')
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break;
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++eap->cmd;
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}
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// One address given: set start and end lines.
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if (eap->addr_count == 1)
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{
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eap->line1 = eap->line2;
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// ... but only implicit: really no address given
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if (lnum == MAXLNUM)
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eap->addr_count = 0;
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}
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return OK;
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}
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/*
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* Check for an Ex command with optional tail.
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* If there is a match advance "pp" to the argument and return TRUE.
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@@ -4292,7 +4305,7 @@ set_one_cmd_context(
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}
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/*
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* skip a range specifier of the form: addr [,addr] [;addr] ..
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* Skip a range specifier of the form: addr [,addr] [;addr] ..
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*
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* Backslashed delimiters after / or ? will be skipped, and commands will
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* not be expanded between /'s and ?'s or after "'".
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