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Diffstat (limited to 'src/ops.c')
| -rw-r--r-- | src/ops.c | 4134 |
1 files changed, 4134 insertions, 0 deletions
diff --git a/src/ops.c b/src/ops.c new file mode 100644 index 0000000..d8e96ff --- /dev/null +++ b/src/ops.c @@ -0,0 +1,4134 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * ops.c: implementation of various operators: op_shift, op_delete, op_tilde, + * op_change, op_yank, do_join + */ + +#include "vim.h" + +static void shift_block(oparg_T *oap, int amount); +static void mb_adjust_opend(oparg_T *oap); +static int do_addsub(int op_type, pos_T *pos, int length, linenr_T Prenum1); + +// Flags for third item in "opchars". +#define OPF_LINES 1 // operator always works on lines +#define OPF_CHANGE 2 // operator changes text + +/* + * The names of operators. + * IMPORTANT: Index must correspond with defines in vim.h!!! + * The third field holds OPF_ flags. + */ +static char opchars[][3] = +{ + {NUL, NUL, 0}, // OP_NOP + {'d', NUL, OPF_CHANGE}, // OP_DELETE + {'y', NUL, 0}, // OP_YANK + {'c', NUL, OPF_CHANGE}, // OP_CHANGE + {'<', NUL, OPF_LINES | OPF_CHANGE}, // OP_LSHIFT + {'>', NUL, OPF_LINES | OPF_CHANGE}, // OP_RSHIFT + {'!', NUL, OPF_LINES | OPF_CHANGE}, // OP_FILTER + {'g', '~', OPF_CHANGE}, // OP_TILDE + {'=', NUL, OPF_LINES | OPF_CHANGE}, // OP_INDENT + {'g', 'q', OPF_LINES | OPF_CHANGE}, // OP_FORMAT + {':', NUL, OPF_LINES}, // OP_COLON + {'g', 'U', OPF_CHANGE}, // OP_UPPER + {'g', 'u', OPF_CHANGE}, // OP_LOWER + {'J', NUL, OPF_LINES | OPF_CHANGE}, // DO_JOIN + {'g', 'J', OPF_LINES | OPF_CHANGE}, // DO_JOIN_NS + {'g', '?', OPF_CHANGE}, // OP_ROT13 + {'r', NUL, OPF_CHANGE}, // OP_REPLACE + {'I', NUL, OPF_CHANGE}, // OP_INSERT + {'A', NUL, OPF_CHANGE}, // OP_APPEND + {'z', 'f', OPF_LINES}, // OP_FOLD + {'z', 'o', OPF_LINES}, // OP_FOLDOPEN + {'z', 'O', OPF_LINES}, // OP_FOLDOPENREC + {'z', 'c', OPF_LINES}, // OP_FOLDCLOSE + {'z', 'C', OPF_LINES}, // OP_FOLDCLOSEREC + {'z', 'd', OPF_LINES}, // OP_FOLDDEL + {'z', 'D', OPF_LINES}, // OP_FOLDDELREC + {'g', 'w', OPF_LINES | OPF_CHANGE}, // OP_FORMAT2 + {'g', '@', OPF_CHANGE}, // OP_FUNCTION + {Ctrl_A, NUL, OPF_CHANGE}, // OP_NR_ADD + {Ctrl_X, NUL, OPF_CHANGE}, // OP_NR_SUB +}; + +/* + * Translate a command name into an operator type. + * Must only be called with a valid operator name! + */ + int +get_op_type(int char1, int char2) +{ + int i; + + if (char1 == 'r') // ignore second character + return OP_REPLACE; + if (char1 == '~') // when tilde is an operator + return OP_TILDE; + if (char1 == 'g' && char2 == Ctrl_A) // add + return OP_NR_ADD; + if (char1 == 'g' && char2 == Ctrl_X) // subtract + return OP_NR_SUB; + for (i = 0; ; ++i) + { + if (opchars[i][0] == char1 && opchars[i][1] == char2) + break; + if (i == (int)(sizeof(opchars) / sizeof(char [3]) - 1)) + { + internal_error("get_op_type()"); + break; + } + } + return i; +} + +/* + * Return TRUE if operator "op" always works on whole lines. + */ + static int +op_on_lines(int op) +{ + return opchars[op][2] & OPF_LINES; +} + +#if defined(FEAT_JOB_CHANNEL) || defined(PROTO) +/* + * Return TRUE if operator "op" changes text. + */ + int +op_is_change(int op) +{ + return opchars[op][2] & OPF_CHANGE; +} +#endif + +/* + * Get first operator command character. + * Returns 'g' or 'z' if there is another command character. + */ + int +get_op_char(int optype) +{ + return opchars[optype][0]; +} + +/* + * Get second operator command character. + */ + int +get_extra_op_char(int optype) +{ + return opchars[optype][1]; +} + +/* + * op_shift - handle a shift operation + */ + void +op_shift(oparg_T *oap, int curs_top, int amount) +{ + long i; + int first_char; + int block_col = 0; + + if (u_save((linenr_T)(oap->start.lnum - 1), + (linenr_T)(oap->end.lnum + 1)) == FAIL) + return; + + if (oap->block_mode) + block_col = curwin->w_cursor.col; + + for (i = oap->line_count; --i >= 0; ) + { + first_char = *ml_get_curline(); + if (first_char == NUL) // empty line + curwin->w_cursor.col = 0; + else if (oap->block_mode) + shift_block(oap, amount); + else + // Move the line right if it doesn't start with '#', 'smartindent' + // isn't set or 'cindent' isn't set or '#' isn't in 'cino'. +#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) + if (first_char != '#' || !preprocs_left()) +#endif + shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE); + ++curwin->w_cursor.lnum; + } + + changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); + if (oap->block_mode) + { + curwin->w_cursor.lnum = oap->start.lnum; + curwin->w_cursor.col = block_col; + } + else if (curs_top) // put cursor on first line, for ">>" + { + curwin->w_cursor.lnum = oap->start.lnum; + beginline(BL_SOL | BL_FIX); // shift_line() may have set cursor.col + } + else + --curwin->w_cursor.lnum; // put cursor on last line, for ":>" + +#ifdef FEAT_FOLDING + // The cursor line is not in a closed fold + foldOpenCursor(); +#endif + + + if (oap->line_count > p_report) + { + char *op; + char *msg_line_single; + char *msg_line_plural; + + if (oap->op_type == OP_RSHIFT) + op = ">"; + else + op = "<"; + msg_line_single = NGETTEXT("%ld line %sed %d time", + "%ld line %sed %d times", amount); + msg_line_plural = NGETTEXT("%ld lines %sed %d time", + "%ld lines %sed %d times", amount); + vim_snprintf((char *)IObuff, IOSIZE, + NGETTEXT(msg_line_single, msg_line_plural, oap->line_count), + oap->line_count, op, amount); + msg_attr_keep((char *)IObuff, 0, TRUE); + } + + if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + // Set "'[" and "']" marks. + curbuf->b_op_start = oap->start; + curbuf->b_op_end.lnum = oap->end.lnum; + curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); + if (curbuf->b_op_end.col > 0) + --curbuf->b_op_end.col; + } +} + +/* + * Shift the current line one shiftwidth left (if left != 0) or right + * leaves cursor on first blank in the line. + */ + void +shift_line( + int left, + int round, + int amount, + int call_changed_bytes) // call changed_bytes() +{ + int count; + int i, j; + int sw_val = (int)get_sw_value_indent(curbuf); + + count = get_indent(); // get current indent + + if (round) // round off indent + { + i = count / sw_val; // number of 'shiftwidth' rounded down + j = count % sw_val; // extra spaces + if (j && left) // first remove extra spaces + --amount; + if (left) + { + i -= amount; + if (i < 0) + i = 0; + } + else + i += amount; + count = i * sw_val; + } + else // original vi indent + { + if (left) + { + count -= sw_val * amount; + if (count < 0) + count = 0; + } + else + count += sw_val * amount; + } + + // Set new indent + if (State & VREPLACE_FLAG) + change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); + else + (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); +} + +/* + * Shift one line of the current block one shiftwidth right or left. + * Leaves cursor on first character in block. + */ + static void +shift_block(oparg_T *oap, int amount) +{ + int left = (oap->op_type == OP_LSHIFT); + int oldstate = State; + int total; + char_u *newp, *oldp; + int oldcol = curwin->w_cursor.col; + int sw_val = (int)get_sw_value_indent(curbuf); + int ts_val = (int)curbuf->b_p_ts; + struct block_def bd; + int incr; + colnr_T ws_vcol; + int i = 0, j = 0; + int len; +#ifdef FEAT_RIGHTLEFT + int old_p_ri = p_ri; + + p_ri = 0; // don't want revins in indent +#endif + + State = INSERT; // don't want REPLACE for State + block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); + if (bd.is_short) + return; + + // total is number of screen columns to be inserted/removed + total = (int)((unsigned)amount * (unsigned)sw_val); + if ((total / sw_val) != amount) + return; // multiplication overflow + + oldp = ml_get_curline(); + + if (!left) + { + /* + * 1. Get start vcol + * 2. Total ws vcols + * 3. Divvy into TABs & spp + * 4. Construct new string + */ + total += bd.pre_whitesp; // all virtual WS up to & incl a split TAB + ws_vcol = bd.start_vcol - bd.pre_whitesp; + if (bd.startspaces) + { + if (has_mbyte) + { + if ((*mb_ptr2len)(bd.textstart) == 1) + ++bd.textstart; + else + { + ws_vcol = 0; + bd.startspaces = 0; + } + } + else + ++bd.textstart; + } + for ( ; VIM_ISWHITE(*bd.textstart); ) + { + // TODO: is passing bd.textstart for start of the line OK? + incr = lbr_chartabsize_adv(bd.textstart, &bd.textstart, + (colnr_T)(bd.start_vcol)); + total += incr; + bd.start_vcol += incr; + } + // OK, now total=all the VWS reqd, and textstart points at the 1st + // non-ws char in the block. +#ifdef FEAT_VARTABS + if (!curbuf->b_p_et) + tabstop_fromto(ws_vcol, ws_vcol + total, + ts_val, curbuf->b_p_vts_array, &i, &j); + else + j = total; +#else + if (!curbuf->b_p_et) + i = ((ws_vcol % ts_val) + total) / ts_val; // number of tabs + if (i) + j = ((ws_vcol % ts_val) + total) % ts_val; // number of spp + else + j = total; +#endif + // if we're splitting a TAB, allow for it + bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); + len = (int)STRLEN(bd.textstart) + 1; + newp = alloc(bd.textcol + i + j + len); + if (newp == NULL) + return; + vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); + mch_memmove(newp, oldp, (size_t)bd.textcol); + vim_memset(newp + bd.textcol, TAB, (size_t)i); + vim_memset(newp + bd.textcol + i, ' ', (size_t)j); + // the end + mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); + } + else // left + { + colnr_T destination_col; // column to which text in block will + // be shifted + char_u *verbatim_copy_end; // end of the part of the line which is + // copied verbatim + colnr_T verbatim_copy_width;// the (displayed) width of this part + // of line + unsigned fill; // nr of spaces that replace a TAB + unsigned new_line_len; // the length of the line after the + // block shift + size_t block_space_width; + size_t shift_amount; + char_u *non_white = bd.textstart; + colnr_T non_white_col; + + /* + * Firstly, let's find the first non-whitespace character that is + * displayed after the block's start column and the character's column + * number. Also, let's calculate the width of all the whitespace + * characters that are displayed in the block and precede the searched + * non-whitespace character. + */ + + // If "bd.startspaces" is set, "bd.textstart" points to the character, + // the part of which is displayed at the block's beginning. Let's start + // searching from the next character. + if (bd.startspaces) + MB_PTR_ADV(non_white); + + // The character's column is in "bd.start_vcol". + non_white_col = bd.start_vcol; + + while (VIM_ISWHITE(*non_white)) + { + incr = lbr_chartabsize_adv(bd.textstart, &non_white, non_white_col); + non_white_col += incr; + } + + block_space_width = non_white_col - oap->start_vcol; + // We will shift by "total" or "block_space_width", whichever is less. + shift_amount = (block_space_width < (size_t)total + ? block_space_width : (size_t)total); + + // The column to which we will shift the text. + destination_col = (colnr_T)(non_white_col - shift_amount); + + // Now let's find out how much of the beginning of the line we can + // reuse without modification. + verbatim_copy_end = bd.textstart; + verbatim_copy_width = bd.start_vcol; + + // If "bd.startspaces" is set, "bd.textstart" points to the character + // preceding the block. We have to subtract its width to obtain its + // column number. + if (bd.startspaces) + verbatim_copy_width -= bd.start_char_vcols; + while (verbatim_copy_width < destination_col) + { + char_u *line = verbatim_copy_end; + + // TODO: is passing verbatim_copy_end for start of the line OK? + incr = lbr_chartabsize(line, verbatim_copy_end, + verbatim_copy_width); + if (verbatim_copy_width + incr > destination_col) + break; + verbatim_copy_width += incr; + MB_PTR_ADV(verbatim_copy_end); + } + + // If "destination_col" is different from the width of the initial + // part of the line that will be copied, it means we encountered a tab + // character, which we will have to partly replace with spaces. + fill = destination_col - verbatim_copy_width; + + // The replacement line will consist of: + // - the beginning of the original line up to "verbatim_copy_end", + // - "fill" number of spaces, + // - the rest of the line, pointed to by non_white. + new_line_len = (unsigned)(verbatim_copy_end - oldp) + + fill + + (unsigned)STRLEN(non_white) + 1; + + newp = alloc(new_line_len); + if (newp == NULL) + return; + mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); + vim_memset(newp + (verbatim_copy_end - oldp), ' ', (size_t)fill); + STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); + } + // replace the line + ml_replace(curwin->w_cursor.lnum, newp, FALSE); + changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol); + State = oldstate; + curwin->w_cursor.col = oldcol; +#ifdef FEAT_RIGHTLEFT + p_ri = old_p_ri; +#endif +} + +/* + * Insert string "s" (b_insert ? before : after) block :AKelly + * Caller must prepare for undo. + */ + static void +block_insert( + oparg_T *oap, + char_u *s, + int b_insert, + struct block_def *bdp) +{ + int ts_val; + int count = 0; // extra spaces to replace a cut TAB + int spaces = 0; // non-zero if cutting a TAB + colnr_T offset; // pointer along new line + colnr_T startcol; // column where insert starts + unsigned s_len; // STRLEN(s) + char_u *newp, *oldp; // new, old lines + linenr_T lnum; // loop var + int oldstate = State; + + State = INSERT; // don't want REPLACE for State + s_len = (unsigned)STRLEN(s); + + for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++) + { + block_prep(oap, bdp, lnum, TRUE); + if (bdp->is_short && b_insert) + continue; // OP_INSERT, line ends before block start + + oldp = ml_get(lnum); + + if (b_insert) + { + ts_val = bdp->start_char_vcols; + spaces = bdp->startspaces; + if (spaces != 0) + count = ts_val - 1; // we're cutting a TAB + offset = bdp->textcol; + } + else // append + { + ts_val = bdp->end_char_vcols; + if (!bdp->is_short) // spaces = padding after block + { + spaces = (bdp->endspaces ? ts_val - bdp->endspaces : 0); + if (spaces != 0) + count = ts_val - 1; // we're cutting a TAB + offset = bdp->textcol + bdp->textlen - (spaces != 0); + } + else // spaces = padding to block edge + { + // if $ used, just append to EOL (ie spaces==0) + if (!bdp->is_MAX) + spaces = (oap->end_vcol - bdp->end_vcol) + 1; + count = spaces; + offset = bdp->textcol + bdp->textlen; + } + } + + if (has_mbyte && spaces > 0) + { + int off; + + // Avoid starting halfway a multi-byte character. + if (b_insert) + { + off = (*mb_head_off)(oldp, oldp + offset + spaces); + } + else + { + off = (*mb_off_next)(oldp, oldp + offset); + offset += off; + } + spaces -= off; + count -= off; + } + + newp = alloc(STRLEN(oldp) + s_len + count + 1); + if (newp == NULL) + continue; + + // copy up to shifted part + mch_memmove(newp, oldp, (size_t)(offset)); + oldp += offset; + + // insert pre-padding + vim_memset(newp + offset, ' ', (size_t)spaces); + startcol = offset + spaces; + + // copy the new text + mch_memmove(newp + startcol, s, (size_t)s_len); + offset += s_len; + + if (spaces && !bdp->is_short) + { + // insert post-padding + vim_memset(newp + offset + spaces, ' ', (size_t)(ts_val - spaces)); + // We're splitting a TAB, don't copy it. + oldp++; + // We allowed for that TAB, remember this now + count++; + } + + if (spaces > 0) + offset += count; + STRMOVE(newp + offset, oldp); + + ml_replace(lnum, newp, FALSE); + + if (b_insert) + // correct any text properties + inserted_bytes(lnum, startcol, s_len); + + if (lnum == oap->end.lnum) + { + // Set "']" mark to the end of the block instead of the end of + // the insert in the first line. + curbuf->b_op_end.lnum = oap->end.lnum; + curbuf->b_op_end.col = offset; + } + } // for all lnum + + changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); + + State = oldstate; +} + +/* + * Handle a delete operation. + * + * Return FAIL if undo failed, OK otherwise. + */ + int +op_delete(oparg_T *oap) +{ + int n; + linenr_T lnum; + char_u *ptr; + char_u *newp, *oldp; + struct block_def bd; + linenr_T old_lcount = curbuf->b_ml.ml_line_count; + int did_yank = FALSE; + + if (curbuf->b_ml.ml_flags & ML_EMPTY) // nothing to do + return OK; + + // Nothing to delete, return here. Do prepare undo, for op_change(). + if (oap->empty) + return u_save_cursor(); + + if (!curbuf->b_p_ma) + { + emsg(_(e_modifiable)); + return FAIL; + } + +#ifdef FEAT_CLIPBOARD + adjust_clip_reg(&oap->regname); +#endif + + if (has_mbyte) + mb_adjust_opend(oap); + + /* + * Imitate the strange Vi behaviour: If the delete spans more than one + * line and motion_type == MCHAR and the result is a blank line, make the + * delete linewise. Don't do this for the change command or Visual mode. + */ + if ( oap->motion_type == MCHAR + && !oap->is_VIsual + && !oap->block_mode + && oap->line_count > 1 + && oap->motion_force == NUL + && oap->op_type == OP_DELETE) + { + ptr = ml_get(oap->end.lnum) + oap->end.col; + if (*ptr != NUL) + ptr += oap->inclusive; + ptr = skipwhite(ptr); + if (*ptr == NUL && inindent(0)) + oap->motion_type = MLINE; + } + + /* + * Check for trying to delete (e.g. "D") in an empty line. + * Note: For the change operator it is ok. + */ + if ( oap->motion_type == MCHAR + && oap->line_count == 1 + && oap->op_type == OP_DELETE + && *ml_get(oap->start.lnum) == NUL) + { + /* + * It's an error to operate on an empty region, when 'E' included in + * 'cpoptions' (Vi compatible). + */ + if (virtual_op) + // Virtual editing: Nothing gets deleted, but we set the '[ and '] + // marks as if it happened. + goto setmarks; + if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL) + beep_flush(); + return OK; + } + + /* + * Do a yank of whatever we're about to delete. + * If a yank register was specified, put the deleted text into that + * register. For the black hole register '_' don't yank anything. + */ + if (oap->regname != '_') + { + if (oap->regname != 0) + { + // check for read-only register + if (!valid_yank_reg(oap->regname, TRUE)) + { + beep_flush(); + return OK; + } + get_yank_register(oap->regname, TRUE); // yank into specif'd reg. + if (op_yank(oap, TRUE, FALSE) == OK) // yank without message + did_yank = TRUE; + } + + /* + * Put deleted text into register 1 and shift number registers if the + * delete contains a line break, or when using a specific operator (Vi + * compatible) + * Use the register name from before adjust_clip_reg() may have + * changed it. + */ + if (oap->motion_type == MLINE || oap->line_count > 1 + || oap->use_reg_one) + { + shift_delete_registers(); + if (op_yank(oap, TRUE, FALSE) == OK) + did_yank = TRUE; + } + + // Yank into small delete register when no named register specified + // and the delete is within one line. + if (( +#ifdef FEAT_CLIPBOARD + ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') || + ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') || +#endif + oap->regname == 0) && oap->motion_type != MLINE + && oap->line_count == 1) + { + oap->regname = '-'; + get_yank_register(oap->regname, TRUE); + if (op_yank(oap, TRUE, FALSE) == OK) + did_yank = TRUE; + oap->regname = 0; + } + + /* + * If there's too much stuff to fit in the yank register, then get a + * confirmation before doing the delete. This is crude, but simple. + * And it avoids doing a delete of something we can't put back if we + * want. + */ + if (!did_yank) + { + int msg_silent_save = msg_silent; + + msg_silent = 0; // must display the prompt + n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE); + msg_silent = msg_silent_save; + if (n != 'y') + { + emsg(_(e_abort)); + return FAIL; + } + } + +#if defined(FEAT_EVAL) + if (did_yank && has_textyankpost()) + yank_do_autocmd(oap, get_y_current()); +#endif + } + + /* + * block mode delete + */ + if (oap->block_mode) + { + if (u_save((linenr_T)(oap->start.lnum - 1), + (linenr_T)(oap->end.lnum + 1)) == FAIL) + return FAIL; + + for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum) + { + block_prep(oap, &bd, lnum, TRUE); + if (bd.textlen == 0) // nothing to delete + continue; + + // Adjust cursor position for tab replaced by spaces and 'lbr'. + if (lnum == curwin->w_cursor.lnum) + { + curwin->w_cursor.col = bd.textcol + bd.startspaces; + curwin->w_cursor.coladd = 0; + } + + // "n" == number of chars deleted + // If we delete a TAB, it may be replaced by several characters. + // Thus the number of characters may increase! + n = bd.textlen - bd.startspaces - bd.endspaces; + oldp = ml_get(lnum); + newp = alloc(STRLEN(oldp) + 1 - n); + if (newp == NULL) + continue; + // copy up to deleted part + mch_memmove(newp, oldp, (size_t)bd.textcol); + // insert spaces + vim_memset(newp + bd.textcol, ' ', + (size_t)(bd.startspaces + bd.endspaces)); + // copy the part after the deleted part + oldp += bd.textcol + bd.textlen; + STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp); + // replace the line + ml_replace(lnum, newp, FALSE); + +#ifdef FEAT_PROP_POPUP + if (curbuf->b_has_textprop && n != 0) + adjust_prop_columns(lnum, bd.textcol, -n, 0); +#endif + } + + check_cursor_col(); + changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col, + oap->end.lnum + 1, 0L); + oap->line_count = 0; // no lines deleted + } + else if (oap->motion_type == MLINE) + { + if (oap->op_type == OP_CHANGE) + { + // Delete the lines except the first one. Temporarily move the + // cursor to the next line. Save the current line number, if the + // last line is deleted it may be changed. + if (oap->line_count > 1) + { + lnum = curwin->w_cursor.lnum; + ++curwin->w_cursor.lnum; + del_lines((long)(oap->line_count - 1), TRUE); + curwin->w_cursor.lnum = lnum; + } + if (u_save_cursor() == FAIL) + return FAIL; + if (curbuf->b_p_ai) // don't delete indent + { + beginline(BL_WHITE); // cursor on first non-white + did_ai = TRUE; // delete the indent when ESC hit + ai_col = curwin->w_cursor.col; + } + else + beginline(0); // cursor in column 0 + truncate_line(FALSE); // delete the rest of the line + // leave cursor past last char in line + if (oap->line_count > 1) + u_clearline(); // "U" command not possible after "2cc" + } + else + { + del_lines(oap->line_count, TRUE); + beginline(BL_WHITE | BL_FIX); + u_clearline(); // "U" command not possible after "dd" + } + } + else + { + if (virtual_op) + { + int endcol = 0; + + // For virtualedit: break the tabs that are partly included. + if (gchar_pos(&oap->start) == '\t') + { + if (u_save_cursor() == FAIL) // save first line for undo + return FAIL; + if (oap->line_count == 1) + endcol = getviscol2(oap->end.col, oap->end.coladd); + coladvance_force(getviscol2(oap->start.col, oap->start.coladd)); + oap->start = curwin->w_cursor; + if (oap->line_count == 1) + { + coladvance(endcol); + oap->end.col = curwin->w_cursor.col; + oap->end.coladd = curwin->w_cursor.coladd; + curwin->w_cursor = oap->start; + } + } + + // Break a tab only when it's included in the area. + if (gchar_pos(&oap->end) == '\t' + && (int)oap->end.coladd < oap->inclusive) + { + // save last line for undo + if (u_save((linenr_T)(oap->end.lnum - 1), + (linenr_T)(oap->end.lnum + 1)) == FAIL) + return FAIL; + curwin->w_cursor = oap->end; + coladvance_force(getviscol2(oap->end.col, oap->end.coladd)); + oap->end = curwin->w_cursor; + curwin->w_cursor = oap->start; + } + if (has_mbyte) + mb_adjust_opend(oap); + } + + if (oap->line_count == 1) // delete characters within one line + { + if (u_save_cursor() == FAIL) // save line for undo + return FAIL; + + // if 'cpoptions' contains '$', display '$' at end of change + if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL + && oap->op_type == OP_CHANGE + && oap->end.lnum == curwin->w_cursor.lnum + && !oap->is_VIsual) + display_dollar(oap->end.col - !oap->inclusive); + + n = oap->end.col - oap->start.col + 1 - !oap->inclusive; + + if (virtual_op) + { + // fix up things for virtualedit-delete: + // break the tabs which are going to get in our way + char_u *curline = ml_get_curline(); + int len = (int)STRLEN(curline); + + if (oap->end.coladd != 0 + && (int)oap->end.col >= len - 1 + && !(oap->start.coladd && (int)oap->end.col >= len - 1)) + n++; + // Delete at least one char (e.g, when on a control char). + if (n == 0 && oap->start.coladd != oap->end.coladd) + n = 1; + + // When deleted a char in the line, reset coladd. + if (gchar_cursor() != NUL) + curwin->w_cursor.coladd = 0; + } + (void)del_bytes((long)n, !virtual_op, + oap->op_type == OP_DELETE && !oap->is_VIsual); + } + else // delete characters between lines + { + pos_T curpos; + + // save deleted and changed lines for undo + if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), + (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL) + return FAIL; + + truncate_line(TRUE); // delete from cursor to end of line + + curpos = curwin->w_cursor; // remember curwin->w_cursor + ++curwin->w_cursor.lnum; + del_lines((long)(oap->line_count - 2), FALSE); + + // delete from start of line until op_end + n = (oap->end.col + 1 - !oap->inclusive); + curwin->w_cursor.col = 0; + (void)del_bytes((long)n, !virtual_op, + oap->op_type == OP_DELETE && !oap->is_VIsual); + curwin->w_cursor = curpos; // restore curwin->w_cursor + (void)do_join(2, FALSE, FALSE, FALSE, FALSE); + } + auto_format(FALSE, TRUE); + } + + msgmore(curbuf->b_ml.ml_line_count - old_lcount); + +setmarks: + if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + if (oap->block_mode) + { + curbuf->b_op_end.lnum = oap->end.lnum; + curbuf->b_op_end.col = oap->start.col; + } + else + curbuf->b_op_end = oap->start; + curbuf->b_op_start = oap->start; + } + + return OK; +} + +/* + * Adjust end of operating area for ending on a multi-byte character. + * Used for deletion. + */ + static void +mb_adjust_opend(oparg_T *oap) +{ + char_u *p; + + if (oap->inclusive) + { + p = ml_get(oap->end.lnum); + oap->end.col += mb_tail_off(p, p + oap->end.col); + } +} + +/* + * Replace the character under the cursor with "c". + * This takes care of multi-byte characters. + */ + static void +replace_character(int c) +{ + int n = State; + + State = REPLACE; + ins_char(c); + State = n; + // Backup to the replaced character. + dec_cursor(); +} + +/* + * Replace a whole area with one character. + */ + int +op_replace(oparg_T *oap, int c) +{ + int n, numc; + int num_chars; + char_u *newp, *oldp; + size_t oldlen; + struct block_def bd; + char_u *after_p = NULL; + int had_ctrl_v_cr = FALSE; + + if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) + return OK; // nothing to do + + if (c == REPLACE_CR_NCHAR) + { + had_ctrl_v_cr = TRUE; + c = CAR; + } + else if (c == REPLACE_NL_NCHAR) + { + had_ctrl_v_cr = TRUE; + c = NL; + } + + if (has_mbyte) + mb_adjust_opend(oap); + + if (u_save((linenr_T)(oap->start.lnum - 1), + (linenr_T)(oap->end.lnum + 1)) == FAIL) + return FAIL; + + /* + * block mode replace + */ + if (oap->block_mode) + { + bd.is_MAX = (curwin->w_curswant == MAXCOL); + for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum) + { + curwin->w_cursor.col = 0; // make sure cursor position is valid + block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); + if (bd.textlen == 0 && (!virtual_op || bd.is_MAX)) + continue; // nothing to replace + + // n == number of extra chars required + // If we split a TAB, it may be replaced by several characters. + // Thus the number of characters may increase! + // If the range starts in virtual space, count the initial + // coladd offset as part of "startspaces" + if (virtual_op && bd.is_short && *bd.textstart == NUL) + { + pos_T vpos; + + vpos.lnum = curwin->w_cursor.lnum; + getvpos(&vpos, oap->start_vcol); + bd.startspaces += vpos.coladd; + n = bd.startspaces; + } + else + // allow for pre spaces + n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); + + // allow for post spp + n += (bd.endspaces + && !bd.is_oneChar + && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0; + // Figure out how many characters to replace. + numc = oap->end_vcol - oap->start_vcol + 1; + if (bd.is_short && (!virtual_op || bd.is_MAX)) + numc -= (oap->end_vcol - bd.end_vcol) + 1; + + // A double-wide character can be replaced only up to half the + // times. + if ((*mb_char2cells)(c) > 1) + { + if ((numc & 1) && !bd.is_short) + { + ++bd.endspaces; + ++n; + } + numc = numc / 2; + } + + // Compute bytes needed, move character count to num_chars. + num_chars = numc; + numc *= (*mb_char2len)(c); + // oldlen includes textlen, so don't double count + n += numc - bd.textlen; + + oldp = ml_get_curline(); + oldlen = STRLEN(oldp); + newp = alloc(oldlen + 1 + n); + if (newp == NULL) + continue; + vim_memset(newp, NUL, (size_t)(oldlen + 1 + n)); + // copy up to deleted part + mch_memmove(newp, oldp, (size_t)bd.textcol); + oldp += bd.textcol + bd.textlen; + // insert pre-spaces + vim_memset(newp + bd.textcol, ' ', (size_t)bd.startspaces); + // insert replacement chars CHECK FOR ALLOCATED SPACE + // REPLACE_CR_NCHAR/REPLACE_NL_NCHAR is used for entering CR + // literally. + if (had_ctrl_v_cr || (c != '\r' && c != '\n')) + { + if (has_mbyte) + { + n = (int)STRLEN(newp); + while (--num_chars >= 0) + n += (*mb_char2bytes)(c, newp + n); + } + else + vim_memset(newp + STRLEN(newp), c, (size_t)numc); + if (!bd.is_short) + { + // insert post-spaces + vim_memset(newp + STRLEN(newp), ' ', (size_t)bd.endspaces); + // copy the part after the changed part + STRMOVE(newp + STRLEN(newp), oldp); + } + } + else + { + // Replacing with \r or \n means splitting the line. + after_p = alloc(oldlen + 1 + n - STRLEN(newp)); + if (after_p != NULL) + STRMOVE(after_p, oldp); + } + // replace the line + ml_replace(curwin->w_cursor.lnum, newp, FALSE); + if (after_p != NULL) + { + ml_append(curwin->w_cursor.lnum++, after_p, 0, FALSE); + appended_lines_mark(curwin->w_cursor.lnum, 1L); + oap->end.lnum++; + vim_free(after_p); + } + } + } + else + { + /* + * MCHAR and MLINE motion replace. + */ + if (oap->motion_type == MLINE) + { + oap->start.col = 0; + curwin->w_cursor.col = 0; + oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); + if (oap->end.col) + --oap->end.col; + } + else if (!oap->inclusive) + dec(&(oap->end)); + + while (LTOREQ_POS(curwin->w_cursor, oap->end)) + { + n = gchar_cursor(); + if (n != NUL) + { + if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1) + { + // This is slow, but it handles replacing a single-byte + // with a multi-byte and the other way around. + if (curwin->w_cursor.lnum == oap->end.lnum) + oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); + replace_character(c); + } + else + { + if (n == TAB) + { + int end_vcol = 0; + + if (curwin->w_cursor.lnum == oap->end.lnum) + { + // oap->end has to be recalculated when + // the tab breaks + end_vcol = getviscol2(oap->end.col, + oap->end.coladd); + } + coladvance_force(getviscol()); + if (curwin->w_cursor.lnum == oap->end.lnum) + getvpos(&oap->end, end_vcol); + } + PBYTE(curwin->w_cursor, c); + } + } + else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) + { + int virtcols = oap->end.coladd; + + if (curwin->w_cursor.lnum == oap->start.lnum + && oap->start.col == oap->end.col && oap->start.coladd) + virtcols -= oap->start.coladd; + + // oap->end has been trimmed so it's effectively inclusive; + // as a result an extra +1 must be counted so we don't + // trample the NUL byte. + coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1); + curwin->w_cursor.col -= (virtcols + 1); + for (; virtcols >= 0; virtcols--) + { + if ((*mb_char2len)(c) > 1) + replace_character(c); + else + PBYTE(curwin->w_cursor, c); + if (inc(&curwin->w_cursor) == -1) + break; + } + } + + // Advance to next character, stop at the end of the file. + if (inc_cursor() == -1) + break; + } + } + + curwin->w_cursor = oap->start; + check_cursor(); + changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); + + if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + // Set "'[" and "']" marks. + curbuf->b_op_start = oap->start; + curbuf->b_op_end = oap->end; + } + + return OK; +} + +static int swapchars(int op_type, pos_T *pos, int length); + +/* + * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". + */ + static void +op_tilde(oparg_T *oap) +{ + pos_T pos; + struct block_def bd; + int did_change = FALSE; + + if (u_save((linenr_T)(oap->start.lnum - 1), + (linenr_T)(oap->end.lnum + 1)) == FAIL) + return; + + pos = oap->start; + if (oap->block_mode) // Visual block mode + { + for (; pos.lnum <= oap->end.lnum; ++pos.lnum) + { + int one_change; + + block_prep(oap, &bd, pos.lnum, FALSE); + pos.col = bd.textcol; + one_change = swapchars(oap->op_type, &pos, bd.textlen); + did_change |= one_change; + +#ifdef FEAT_NETBEANS_INTG + if (netbeans_active() && one_change) + { + char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); + + netbeans_removed(curbuf, pos.lnum, bd.textcol, + (long)bd.textlen); + netbeans_inserted(curbuf, pos.lnum, bd.textcol, + &ptr[bd.textcol], bd.textlen); + } +#endif + } + if (did_change) + changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); + } + else // not block mode + { + if (oap->motion_type == MLINE) + { + oap->start.col = 0; + pos.col = 0; + oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); + if (oap->end.col) + --oap->end.col; + } + else if (!oap->inclusive) + dec(&(oap->end)); + + if (pos.lnum == oap->end.lnum) + did_change = swapchars(oap->op_type, &pos, + oap->end.col - pos.col + 1); + else + for (;;) + { + did_change |= swapchars(oap->op_type, &pos, + pos.lnum == oap->end.lnum ? oap->end.col + 1: + (int)STRLEN(ml_get_pos(&pos))); + if (LTOREQ_POS(oap->end, pos) || inc(&pos) == -1) + break; + } + if (did_change) + { + changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, + 0L); +#ifdef FEAT_NETBEANS_INTG + if (netbeans_active() && did_change) + { + char_u *ptr; + int count; + + pos = oap->start; + while (pos.lnum < oap->end.lnum) + { + ptr = ml_get_buf(curbuf, pos.lnum, FALSE); + count = (int)STRLEN(ptr) - pos.col; + netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); + netbeans_inserted(curbuf, pos.lnum, pos.col, + &ptr[pos.col], count); + pos.col = 0; + pos.lnum++; + } + ptr = ml_get_buf(curbuf, pos.lnum, FALSE); + count = oap->end.col - pos.col + 1; + netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); + netbeans_inserted(curbuf, pos.lnum, pos.col, + &ptr[pos.col], count); + } +#endif + } + } + + if (!did_change && oap->is_VIsual) + // No change: need to remove the Visual selection + redraw_curbuf_later(INVERTED); + + if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + // Set '[ and '] marks. + curbuf->b_op_start = oap->start; + curbuf->b_op_end = oap->end; + } + + if (oap->line_count > p_report) + smsg(NGETTEXT("%ld line changed", "%ld lines changed", + oap->line_count), oap->line_count); +} + +/* + * Invoke swapchar() on "length" bytes at position "pos". + * "pos" is advanced to just after the changed characters. + * "length" is rounded up to include the whole last multi-byte character. + * Also works correctly when the number of bytes changes. + * Returns TRUE if some character was changed. + */ + static int +swapchars(int op_type, pos_T *pos, int length) +{ + int todo; + int did_change = 0; + + for (todo = length; todo > 0; --todo) + { + if (has_mbyte) + { + int len = (*mb_ptr2len)(ml_get_pos(pos)); + + // we're counting bytes, not characters + if (len > 0) + todo -= len - 1; + } + did_change |= swapchar(op_type, pos); + if (inc(pos) == -1) // at end of file + break; + } + return did_change; +} + +/* + * If op_type == OP_UPPER: make uppercase, + * if op_type == OP_LOWER: make lowercase, + * if op_type == OP_ROT13: do rot13 encoding, + * else swap case of character at 'pos' + * returns TRUE when something actually changed. + */ + int +swapchar(int op_type, pos_T *pos) +{ + int c; + int nc; + + c = gchar_pos(pos); + + // Only do rot13 encoding for ASCII characters. + if (c >= 0x80 && op_type == OP_ROT13) + return FALSE; + + if (op_type == OP_UPPER && c == 0xdf + && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0)) + { + pos_T sp = curwin->w_cursor; + + // Special handling of German sharp s: change to "SS". + curwin->w_cursor = *pos; + del_char(FALSE); + ins_char('S'); + ins_char('S'); + curwin->w_cursor = sp; + inc(pos); + } + + if (enc_dbcs != 0 && c >= 0x100) // No lower/uppercase letter + return FALSE; + nc = c; + if (MB_ISLOWER(c)) + { + if (op_type == OP_ROT13) + nc = ROT13(c, 'a'); + else if (op_type != OP_LOWER) + nc = MB_TOUPPER(c); + } + else if (MB_ISUPPER(c)) + { + if (op_type == OP_ROT13) + nc = ROT13(c, 'A'); + else if (op_type != OP_UPPER) + nc = MB_TOLOWER(c); + } + if (nc != c) + { + if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) + { + pos_T sp = curwin->w_cursor; + + curwin->w_cursor = *pos; + // don't use del_char(), it also removes composing chars + del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE); + ins_char(nc); + curwin->w_cursor = sp; + } + else + PBYTE(*pos, nc); + return TRUE; + } + return FALSE; +} + +/* + * op_insert - Insert and append operators for Visual mode. + */ + void +op_insert(oparg_T *oap, long count1) +{ + long ins_len, pre_textlen = 0; + char_u *firstline, *ins_text; + colnr_T ind_pre = 0, ind_post; + struct block_def bd; + int i; + pos_T t1; + + // edit() changes this - record it for OP_APPEND + bd.is_MAX = (curwin->w_curswant == MAXCOL); + + // vis block is still marked. Get rid of it now. + curwin->w_cursor.lnum = oap->start.lnum; + update_screen(INVERTED); + + if (oap->block_mode) + { + // When 'virtualedit' is used, need to insert the extra spaces before + // doing block_prep(). When only "block" is used, virtual edit is + // already disabled, but still need it when calling + // coladvance_force(). + if (curwin->w_cursor.coladd > 0) + { + int old_ve_flags = ve_flags; + + ve_flags = VE_ALL; + if (u_save_cursor() == FAIL) + return; + coladvance_force(oap->op_type == OP_APPEND + ? oap->end_vcol + 1 : getviscol()); + if (oap->op_type == OP_APPEND) + --curwin->w_cursor.col; + ve_flags = old_ve_flags; + } + // Get the info about the block before entering the text + block_prep(oap, &bd, oap->start.lnum, TRUE); + // Get indent information + ind_pre = (colnr_T)getwhitecols_curline(); + firstline = ml_get(oap->start.lnum) + bd.textcol; + + if (oap->op_type == OP_APPEND) + firstline += bd.textlen; + pre_textlen = (long)STRLEN(firstline); + } + + if (oap->op_type == OP_APPEND) + { + if (oap->block_mode && curwin->w_cursor.coladd == 0) + { + // Move the cursor to the character right of the block. + curwin->w_set_curswant = TRUE; + while (*ml_get_cursor() != NUL + && (curwin->w_cursor.col < bd.textcol + bd.textlen)) + ++curwin->w_cursor.col; + if (bd.is_short && !bd.is_MAX) + { + // First line was too short, make it longer and adjust the + // values in "bd". + if (u_save_cursor() == FAIL) + return; + for (i = 0; i < bd.endspaces; ++i) + ins_char(' '); + bd.textlen += bd.endspaces; + } + } + else + { + curwin->w_cursor = oap->end; + check_cursor_col(); + + // Works just like an 'i'nsert on the next character. + if (!LINEEMPTY(curwin->w_cursor.lnum) + && oap->start_vcol != oap->end_vcol) + inc_cursor(); + } + } + + t1 = oap->start; + (void)edit(NUL, FALSE, (linenr_T)count1); + + // When a tab was inserted, and the characters in front of the tab + // have been converted to a tab as well, the column of the cursor + // might have actually been reduced, so need to adjust here. + if (t1.lnum == curbuf->b_op_start_orig.lnum + && LT_POS(curbuf->b_op_start_orig, t1)) + oap->start = curbuf->b_op_start_orig; + + // If user has moved off this line, we don't know what to do, so do + // nothing. + // Also don't repeat the insert when Insert mode ended with CTRL-C. + if (curwin->w_cursor.lnum != oap->start.lnum || got_int) + return; + + if (oap->block_mode) + { + struct block_def bd2; + int did_indent = FALSE; + size_t len; + int add; + + // If indent kicked in, the firstline might have changed + // but only do that, if the indent actually increased. + ind_post = (colnr_T)getwhitecols_curline(); + if (curbuf->b_op_start.col > ind_pre && ind_post > ind_pre) + { + bd.textcol += ind_post - ind_pre; + bd.start_vcol += ind_post - ind_pre; + did_indent = TRUE; + } + + // The user may have moved the cursor before inserting something, try + // to adjust the block for that. But only do it, if the difference + // does not come from indent kicking in. + if (oap->start.lnum == curbuf->b_op_start_orig.lnum + && !bd.is_MAX && !did_indent) + { + if (oap->op_type == OP_INSERT + && oap->start.col + oap->start.coladd + != curbuf->b_op_start_orig.col + + curbuf->b_op_start_orig.coladd) + { + int t = getviscol2(curbuf->b_op_start_orig.col, + curbuf->b_op_start_orig.coladd); + oap->start.col = curbuf->b_op_start_orig.col; + pre_textlen -= t - oap->start_vcol; + oap->start_vcol = t; + } + else if (oap->op_type == OP_APPEND + && oap->end.col + oap->end.coladd + >= curbuf->b_op_start_orig.col + + curbuf->b_op_start_orig.coladd) + { + int t = getviscol2(curbuf->b_op_start_orig.col, + curbuf->b_op_start_orig.coladd); + oap->start.col = curbuf->b_op_start_orig.col; + // reset pre_textlen to the value of OP_INSERT + pre_textlen += bd.textlen; + pre_textlen -= t - oap->start_vcol; + oap->start_vcol = t; + oap->op_type = OP_INSERT; + } + } + + /* + * Spaces and tabs in the indent may have changed to other spaces and + * tabs. Get the starting column again and correct the length. + * Don't do this when "$" used, end-of-line will have changed. + */ + block_prep(oap, &bd2, oap->start.lnum, TRUE); + if (!bd.is_MAX || bd2.textlen < bd.textlen) + { + if (oap->op_type == OP_APPEND) + { + pre_textlen += bd2.textlen - bd.textlen; + if (bd2.endspaces) + --bd2.textlen; + } + bd.textcol = bd2.textcol; + bd.textlen = bd2.textlen; + } + + /* + * Subsequent calls to ml_get() flush the firstline data - take a + * copy of the required string. + */ + firstline = ml_get(oap->start.lnum); + len = STRLEN(firstline); + add = bd.textcol; + if (oap->op_type == OP_APPEND) + add += bd.textlen; + if ((size_t)add > len) + firstline += len; // short line, point to the NUL + else + firstline += add; + if (pre_textlen >= 0 + && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0) + { + ins_text = vim_strnsave(firstline, ins_len); + if (ins_text != NULL) + { + // block handled here + if (u_save(oap->start.lnum, + (linenr_T)(oap->end.lnum + 1)) == OK) + block_insert(oap, ins_text, (oap->op_type == OP_INSERT), + &bd); + + curwin->w_cursor.col = oap->start.col; + check_cursor(); + vim_free(ins_text); + } + } + } +} + +/* + * op_change - handle a change operation + * + * return TRUE if edit() returns because of a CTRL-O command + */ + int +op_change(oparg_T *oap) +{ + colnr_T l; + int retval; + long offset; + linenr_T linenr; + long ins_len; + long pre_textlen = 0; + long pre_indent = 0; + char_u *firstline; + char_u *ins_text, *newp, *oldp; + struct block_def bd; + + l = oap->start.col; + if (oap->motion_type == MLINE) + { + l = 0; +#ifdef FEAT_SMARTINDENT + if (!p_paste && curbuf->b_p_si +# ifdef FEAT_CINDENT + && !curbuf->b_p_cin +# endif + ) + can_si = TRUE; // It's like opening a new line, do si +#endif + } + + // First delete the text in the region. In an empty buffer only need to + // save for undo + if (curbuf->b_ml.ml_flags & ML_EMPTY) + { + if (u_save_cursor() == FAIL) + return FALSE; + } + else if (op_delete(oap) == FAIL) + return FALSE; + + if ((l > curwin->w_cursor.col) && !LINEEMPTY(curwin->w_cursor.lnum) + && !virtual_op) + inc_cursor(); + + // check for still on same line (<CR> in inserted text meaningless) + // skip blank lines too + if (oap->block_mode) + { + // Add spaces before getting the current line length. + if (virtual_op && (curwin->w_cursor.coladd > 0 + || gchar_cursor() == NUL)) + coladvance_force(getviscol()); + firstline = ml_get(oap->start.lnum); + pre_textlen = (long)STRLEN(firstline); + pre_indent = (long)getwhitecols(firstline); + bd.textcol = curwin->w_cursor.col; + } + +#if defined(FEAT_LISP) || defined(FEAT_CINDENT) + if (oap->motion_type == MLINE) + fix_indent(); +#endif + + retval = edit(NUL, FALSE, (linenr_T)1); + + /* + * In Visual block mode, handle copying the new text to all lines of the + * block. + * Don't repeat the insert when Insert mode ended with CTRL-C. + */ + if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int) + { + // Auto-indenting may have changed the indent. If the cursor was past + // the indent, exclude that indent change from the inserted text. + firstline = ml_get(oap->start.lnum); + if (bd.textcol > (colnr_T)pre_indent) + { + long new_indent = (long)getwhitecols(firstline); + + pre_textlen += new_indent - pre_indent; + bd.textcol += new_indent - pre_indent; + } + + ins_len = (long)STRLEN(firstline) - pre_textlen; + if (ins_len > 0) + { + // Subsequent calls to ml_get() flush the firstline data - take a + // copy of the inserted text. + if ((ins_text = alloc(ins_len + 1)) != NULL) + { + vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); + for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; + linenr++) + { + block_prep(oap, &bd, linenr, TRUE); + if (!bd.is_short || virtual_op) + { + pos_T vpos; + + // If the block starts in virtual space, count the + // initial coladd offset as part of "startspaces" + if (bd.is_short) + { + vpos.lnum = linenr; + (void)getvpos(&vpos, oap->start_vcol); + } + else + vpos.coladd = 0; + oldp = ml_get(linenr); + newp = alloc(STRLEN(oldp) + vpos.coladd + ins_len + 1); + if (newp == NULL) + continue; + // copy up to block start + mch_memmove(newp, oldp, (size_t)bd.textcol); + offset = bd.textcol; + vim_memset(newp + offset, ' ', (size_t)vpos.coladd); + offset += vpos.coladd; + mch_memmove(newp + offset, ins_text, (size_t)ins_len); + offset += ins_len; + oldp += bd.textcol; + STRMOVE(newp + offset, oldp); + ml_replace(linenr, newp, FALSE); + } + } + check_cursor(); + + changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); + } + vim_free(ins_text); + } + } + + return retval; +} + +/* + * When the cursor is on the NUL past the end of the line and it should not be + * there move it left. + */ + void +adjust_cursor_eol(void) +{ + if (curwin->w_cursor.col > 0 + && gchar_cursor() == NUL + && (ve_flags & VE_ONEMORE) == 0 + && !(restart_edit || (State & INSERT))) + { + // Put the cursor on the last character in the line. + dec_cursor(); + + if (ve_flags == VE_ALL) + { + colnr_T scol, ecol; + + // Coladd is set to the width of the last character. + getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); + curwin->w_cursor.coladd = ecol - scol + 1; + } + } +} + +/* + * If "process" is TRUE and the line begins with a comment leader (possibly + * after some white space), return a pointer to the text after it. Put a boolean + * value indicating whether the line ends with an unclosed comment in + * "is_comment". + * line - line to be processed, + * process - if FALSE, will only check whether the line ends with an unclosed + * comment, + * include_space - whether to also skip space following the comment leader, + * is_comment - will indicate whether the current line ends with an unclosed + * comment. + */ + char_u * +skip_comment( + char_u *line, + int process, + int include_space, + int *is_comment) +{ + char_u *comment_flags = NULL; + int lead_len; + int leader_offset = get_last_leader_offset(line, &comment_flags); + + *is_comment = FALSE; + if (leader_offset != -1) + { + // Let's check whether the line ends with an unclosed comment. + // If the last comment leader has COM_END in flags, there's no comment. + while (*comment_flags) + { + if (*comment_flags == COM_END + || *comment_flags == ':') + break; + ++comment_flags; + } + if (*comment_flags != COM_END) + *is_comment = TRUE; + } + + if (process == FALSE) + return line; + + lead_len = get_leader_len(line, &comment_flags, FALSE, include_space); + + if (lead_len == 0) + return line; + + // Find: + // - COM_END, + // - colon, + // whichever comes first. + while (*comment_flags) + { + if (*comment_flags == COM_END + || *comment_flags == ':') + break; + ++comment_flags; + } + + // If we found a colon, it means that we are not processing a line + // starting with a closing part of a three-part comment. That's good, + // because we don't want to remove those as this would be annoying. + if (*comment_flags == ':' || *comment_flags == NUL) + line += lead_len; + + return line; +} + +/* + * Join 'count' lines (minimal 2) at cursor position. + * When "save_undo" is TRUE save lines for undo first. + * Set "use_formatoptions" to FALSE when e.g. processing backspace and comment + * leaders should not be removed. + * When setmark is TRUE, sets the '[ and '] mark, else, the caller is expected + * to set those marks. + * + * return FAIL for failure, OK otherwise + */ + int +do_join( + long count, + int insert_space, + int save_undo, + int use_formatoptions UNUSED, + int setmark) +{ + char_u *curr = NULL; + char_u *curr_start = NULL; + char_u *cend; + char_u *newp; + size_t newp_len; + char_u *spaces; // number of spaces inserted before a line + int endcurr1 = NUL; + int endcurr2 = NUL; + int currsize = 0; // size of the current line + int sumsize = 0; // size of the long new line + linenr_T t; + colnr_T col = 0; + int ret = OK; + int *comments = NULL; + int remove_comments = (use_formatoptions == TRUE) + && has_format_option(FO_REMOVE_COMS); + int prev_was_comment; +#ifdef FEAT_PROP_POPUP + int propcount = 0; // number of props over all joined lines + int props_remaining; +#endif + + if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1), + (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) + return FAIL; + + // Allocate an array to store the number of spaces inserted before each + // line. We will use it to pre-compute the length of the new line and the + // proper placement of each original line in the new one. + spaces = lalloc_clear(count, TRUE); + if (spaces == NULL) + return FAIL; + if (remove_comments) + { + comments = lalloc_clear(count * sizeof(int), TRUE); + if (comments == NULL) + { + vim_free(spaces); + return FAIL; + } + } + + /* + * Don't move anything yet, just compute the final line length + * and setup the array of space strings lengths + * This loops forward over the joined lines. + */ + for (t = 0; t < count; ++t) + { + curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t)); +#ifdef FEAT_PROP_POPUP + propcount += count_props((linenr_T) (curwin->w_cursor.lnum + t), t > 0); +#endif + if (t == 0 && setmark && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + // Set the '[ mark. + curwin->w_buffer->b_op_start.lnum = curwin->w_cursor.lnum; + curwin->w_buffer->b_op_start.col = (colnr_T)STRLEN(curr); + } + if (remove_comments) + { + // We don't want to remove the comment leader if the + // previous line is not a comment. + if (t > 0 && prev_was_comment) + { + + char_u *new_curr = skip_comment(curr, TRUE, insert_space, + &prev_was_comment); + comments[t] = (int)(new_curr - curr); + curr = new_curr; + } + else + curr = skip_comment(curr, FALSE, insert_space, + &prev_was_comment); + } + + if (insert_space && t > 0) + { + curr = skipwhite(curr); + if (*curr != NUL && *curr != ')' + && sumsize != 0 && endcurr1 != TAB + && (!has_format_option(FO_MBYTE_JOIN) + || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100)) + && (!has_format_option(FO_MBYTE_JOIN2) + || (mb_ptr2char(curr) < 0x100 + && !(enc_utf8 && utf_eat_space(endcurr1))) + || (endcurr1 < 0x100 + && !(enc_utf8 && utf_eat_space(mb_ptr2char(curr))))) + ) + { + // don't add a space if the line is ending in a space + if (endcurr1 == ' ') + endcurr1 = endcurr2; + else + ++spaces[t]; + // extra space when 'joinspaces' set and line ends in '.' + if ( p_js + && (endcurr1 == '.' + || (vim_strchr(p_cpo, CPO_JOINSP) == NULL + && (endcurr1 == '?' || endcurr1 == '!')))) + ++spaces[t]; + } + } + currsize = (int)STRLEN(curr); + sumsize += currsize + spaces[t]; + endcurr1 = endcurr2 = NUL; + if (insert_space && currsize > 0) + { + if (has_mbyte) + { + cend = curr + currsize; + MB_PTR_BACK(curr, cend); + endcurr1 = (*mb_ptr2char)(cend); + if (cend > curr) + { + MB_PTR_BACK(curr, cend); + endcurr2 = (*mb_ptr2char)(cend); + } + } + else + { + endcurr1 = *(curr + currsize - 1); + if (currsize > 1) + endcurr2 = *(curr + currsize - 2); + } + } + line_breakcheck(); + if (got_int) + { + ret = FAIL; + goto theend; + } + } + + // store the column position before last line + col = sumsize - currsize - spaces[count - 1]; + + // allocate the space for the new line + newp_len = sumsize + 1; +#ifdef FEAT_PROP_POPUP + newp_len += propcount * sizeof(textprop_T); +#endif + newp = alloc(newp_len); + if (newp == NULL) + { + ret = FAIL; + goto theend; + } + cend = newp + sumsize; + *cend = 0; + + /* + * Move affected lines to the new long one. + * This loops backwards over the joined lines, including the original line. + * + * Move marks from each deleted line to the joined line, adjusting the + * column. This is not Vi compatible, but Vi deletes the marks, thus that + * should not really be a problem. + */ +#ifdef FEAT_PROP_POPUP + props_remaining = propcount; +#endif + for (t = count - 1; ; --t) + { + int spaces_removed; + + cend -= currsize; + mch_memmove(cend, curr, (size_t)currsize); + + if (spaces[t] > 0) + { + cend -= spaces[t]; + vim_memset(cend, ' ', (size_t)(spaces[t])); + } + + // If deleting more spaces than adding, the cursor moves no more than + // what is added if it is inside these spaces. + spaces_removed = (curr - curr_start) - spaces[t]; + + mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t, + (long)(cend - newp - spaces_removed), spaces_removed); +#ifdef FEAT_PROP_POPUP + prepend_joined_props(newp + sumsize + 1, propcount, &props_remaining, + curwin->w_cursor.lnum + t, t == count - 1, + (long)(cend - newp), spaces_removed); +#endif + + if (t == 0) + break; + curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1)); + if (remove_comments) + curr += comments[t - 1]; + if (insert_space && t > 1) + curr = skipwhite(curr); + currsize = (int)STRLEN(curr); + } + + ml_replace_len(curwin->w_cursor.lnum, newp, (colnr_T)newp_len, TRUE, FALSE); + + if (setmark && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + // Set the '] mark. + curwin->w_buffer->b_op_end.lnum = curwin->w_cursor.lnum; + curwin->w_buffer->b_op_end.col = (colnr_T)sumsize; + } + + // Only report the change in the first line here, del_lines() will report + // the deleted line. + changed_lines(curwin->w_cursor.lnum, currsize, + curwin->w_cursor.lnum + 1, 0L); + /* + * Delete following lines. To do this we move the cursor there + * briefly, and then move it back. After del_lines() the cursor may + * have moved up (last line deleted), so the current lnum is kept in t. + */ + t = curwin->w_cursor.lnum; + ++curwin->w_cursor.lnum; + del_lines(count - 1, FALSE); + curwin->w_cursor.lnum = t; + + /* + * Set the cursor column: + * Vi compatible: use the column of the first join + * vim: use the column of the last join + */ + curwin->w_cursor.col = + (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col); + check_cursor_col(); + + curwin->w_cursor.coladd = 0; + curwin->w_set_curswant = TRUE; + +theend: + vim_free(spaces); + if (remove_comments) + vim_free(comments); + return ret; +} + +/* + * prepare a few things for block mode yank/delete/tilde + * + * for delete: + * - textlen includes the first/last char to be (partly) deleted + * - start/endspaces is the number of columns that are taken by the + * first/last deleted char minus the number of columns that have to be + * deleted. + * for yank and tilde: + * - textlen includes the first/last char to be wholly yanked + * - start/endspaces is the number of columns of the first/last yanked char + * that are to be yanked. + */ + void +block_prep( + oparg_T *oap, + struct block_def *bdp, + linenr_T lnum, + int is_del) +{ + int incr = 0; + char_u *pend; + char_u *pstart; + char_u *line; + char_u *prev_pstart; + char_u *prev_pend; +#ifdef FEAT_LINEBREAK + int lbr_saved = curwin->w_p_lbr; + + // Avoid a problem with unwanted linebreaks in block mode. + curwin->w_p_lbr = FALSE; +#endif + bdp->startspaces = 0; + bdp->endspaces = 0; + bdp->textlen = 0; + bdp->start_vcol = 0; + bdp->end_vcol = 0; + bdp->is_short = FALSE; + bdp->is_oneChar = FALSE; + bdp->pre_whitesp = 0; + bdp->pre_whitesp_c = 0; + bdp->end_char_vcols = 0; + bdp->start_char_vcols = 0; + + line = ml_get(lnum); + pstart = line; + prev_pstart = line; + while (bdp->start_vcol < oap->start_vcol && *pstart) + { + // Count a tab for what it's worth (if list mode not on) + incr = lbr_chartabsize(line, pstart, (colnr_T)bdp->start_vcol); + bdp->start_vcol += incr; + if (VIM_ISWHITE(*pstart)) + { + bdp->pre_whitesp += incr; + bdp->pre_whitesp_c++; + } + else + { + bdp->pre_whitesp = 0; + bdp->pre_whitesp_c = 0; + } + prev_pstart = pstart; + MB_PTR_ADV(pstart); + } + bdp->start_char_vcols = incr; + if (bdp->start_vcol < oap->start_vcol) // line too short + { + bdp->end_vcol = bdp->start_vcol; + bdp->is_short = TRUE; + if (!is_del || oap->op_type == OP_APPEND) + bdp->endspaces = oap->end_vcol - oap->start_vcol + 1; + } + else + { + // notice: this converts partly selected Multibyte characters to + // spaces, too. + bdp->startspaces = bdp->start_vcol - oap->start_vcol; + if (is_del && bdp->startspaces) + bdp->startspaces = bdp->start_char_vcols - bdp->startspaces; + pend = pstart; + bdp->end_vcol = bdp->start_vcol; + if (bdp->end_vcol > oap->end_vcol) // it's all in one character + { + bdp->is_oneChar = TRUE; + if (oap->op_type == OP_INSERT) + bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; + else if (oap->op_type == OP_APPEND) + { + bdp->startspaces += oap->end_vcol - oap->start_vcol + 1; + bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; + } + else + { + bdp->startspaces = oap->end_vcol - oap->start_vcol + 1; + if (is_del && oap->op_type != OP_LSHIFT) + { + // just putting the sum of those two into + // bdp->startspaces doesn't work for Visual replace, + // so we have to split the tab in two + bdp->startspaces = bdp->start_char_vcols + - (bdp->start_vcol - oap->start_vcol); + bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; + } + } + } + else + { + prev_pend = pend; + while (bdp->end_vcol <= oap->end_vcol && *pend != NUL) + { + // Count a tab for what it's worth (if list mode not on) + prev_pend = pend; + incr = lbr_chartabsize_adv(line, &pend, (colnr_T)bdp->end_vcol); + bdp->end_vcol += incr; + } + if (bdp->end_vcol <= oap->end_vcol + && (!is_del + || oap->op_type == OP_APPEND + || oap->op_type == OP_REPLACE)) // line too short + { + bdp->is_short = TRUE; + // Alternative: include spaces to fill up the block. + // Disadvantage: can lead to trailing spaces when the line is + // short where the text is put + // if (!is_del || oap->op_type == OP_APPEND) + if (oap->op_type == OP_APPEND || virtual_op) + bdp->endspaces = oap->end_vcol - bdp->end_vcol + + oap->inclusive; + else + bdp->endspaces = 0; // replace doesn't add characters + } + else if (bdp->end_vcol > oap->end_vcol) + { + bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; + if (!is_del && bdp->endspaces) + { + bdp->endspaces = incr - bdp->endspaces; + if (pend != pstart) + pend = prev_pend; + } + } + } + bdp->end_char_vcols = incr; + if (is_del && bdp->startspaces) + pstart = prev_pstart; + bdp->textlen = (int)(pend - pstart); + } + bdp->textcol = (colnr_T) (pstart - line); + bdp->textstart = pstart; +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif +} + +/* + * Handle the add/subtract operator. + */ + void +op_addsub( + oparg_T *oap, + linenr_T Prenum1, // Amount of add/subtract + int g_cmd) // was g<c-a>/g<c-x> +{ + pos_T pos; + struct block_def bd; + int change_cnt = 0; + linenr_T amount = Prenum1; + + // do_addsub() might trigger re-evaluation of 'foldexpr' halfway, when the + // buffer is not completely updated yet. Postpone updating folds until before + // the call to changed_lines(). +#ifdef FEAT_FOLDING + disable_fold_update++; +#endif + + if (!VIsual_active) + { + pos = curwin->w_cursor; + if (u_save_cursor() == FAIL) + { +#ifdef FEAT_FOLDING + disable_fold_update--; +#endif + return; + } + change_cnt = do_addsub(oap->op_type, &pos, 0, amount); +#ifdef FEAT_FOLDING + disable_fold_update--; +#endif + if (change_cnt) + changed_lines(pos.lnum, 0, pos.lnum + 1, 0L); + } + else + { + int one_change; + int length; + pos_T startpos; + + if (u_save((linenr_T)(oap->start.lnum - 1), + (linenr_T)(oap->end.lnum + 1)) == FAIL) + { +#ifdef FEAT_FOLDING + disable_fold_update--; +#endif + return; + } + + pos = oap->start; + for (; pos.lnum <= oap->end.lnum; ++pos.lnum) + { + if (oap->block_mode) // Visual block mode + { + block_prep(oap, &bd, pos.lnum, FALSE); + pos.col = bd.textcol; + length = bd.textlen; + } + else if (oap->motion_type == MLINE) + { + curwin->w_cursor.col = 0; + pos.col = 0; + length = (colnr_T)STRLEN(ml_get(pos.lnum)); + } + else // oap->motion_type == MCHAR + { + if (pos.lnum == oap->start.lnum && !oap->inclusive) + dec(&(oap->end)); + length = (colnr_T)STRLEN(ml_get(pos.lnum)); + pos.col = 0; + if (pos.lnum == oap->start.lnum) + { + pos.col += oap->start.col; + length -= oap->start.col; + } + if (pos.lnum == oap->end.lnum) + { + length = (int)STRLEN(ml_get(oap->end.lnum)); + if (oap->end.col >= length) + oap->end.col = length - 1; + length = oap->end.col - pos.col + 1; + } + } + one_change = do_addsub(oap->op_type, &pos, length, amount); + if (one_change) + { + // Remember the start position of the first change. + if (change_cnt == 0) + startpos = curbuf->b_op_start; + ++change_cnt; + } + +#ifdef FEAT_NETBEANS_INTG + if (netbeans_active() && one_change) + { + char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); + + netbeans_removed(curbuf, pos.lnum, pos.col, (long)length); + netbeans_inserted(curbuf, pos.lnum, pos.col, + &ptr[pos.col], length); + } +#endif + if (g_cmd && one_change) + amount += Prenum1; + } + +#ifdef FEAT_FOLDING + disable_fold_update--; +#endif + if (change_cnt) + changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); + + if (!change_cnt && oap->is_VIsual) + // No change: need to remove the Visual selection + redraw_curbuf_later(INVERTED); + + // Set '[ mark if something changed. Keep the last end + // position from do_addsub(). + if (change_cnt > 0 && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + curbuf->b_op_start = startpos; + + if (change_cnt > p_report) + smsg(NGETTEXT("%d line changed", "%d lines changed", + change_cnt), change_cnt); + } +} + +/* + * Add or subtract 'Prenum1' from a number in a line + * op_type is OP_NR_ADD or OP_NR_SUB + * + * Returns TRUE if some character was changed. + */ + static int +do_addsub( + int op_type, + pos_T *pos, + int length, + linenr_T Prenum1) +{ + int col; + char_u *buf1; + char_u buf2[NUMBUFLEN]; + int pre; // 'X'/'x': hex; '0': octal; 'B'/'b': bin + static int hexupper = FALSE; // 0xABC + uvarnumber_T n; + uvarnumber_T oldn; + char_u *ptr; + int c; + int todel; + int do_hex; + int do_oct; + int do_bin; + int do_alpha; + int do_unsigned; + int firstdigit; + int subtract; + int negative = FALSE; + int was_positive = TRUE; + int visual = VIsual_active; + int did_change = FALSE; + pos_T save_cursor = curwin->w_cursor; + int maxlen = 0; + pos_T startpos; + pos_T endpos; + colnr_T save_coladd = 0; + + do_hex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); // "heX" + do_oct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); // "Octal" + do_bin = (vim_strchr(curbuf->b_p_nf, 'b') != NULL); // "Bin" + do_alpha = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); // "alPha" + do_unsigned = (vim_strchr(curbuf->b_p_nf, 'u') != NULL); // "Unsigned" + + if (virtual_active()) + { + save_coladd = pos->coladd; + pos->coladd = 0; + } + + curwin->w_cursor = *pos; + ptr = ml_get(pos->lnum); + col = pos->col; + + if (*ptr == NUL || col + !!save_coladd >= (int)STRLEN(ptr)) + goto theend; + + /* + * First check if we are on a hexadecimal number, after the "0x". + */ + if (!VIsual_active) + { + if (do_bin) + while (col > 0 && vim_isbdigit(ptr[col])) + { + --col; + if (has_mbyte) + col -= (*mb_head_off)(ptr, ptr + col); + } + + if (do_hex) + while (col > 0 && vim_isxdigit(ptr[col])) + { + --col; + if (has_mbyte) + col -= (*mb_head_off)(ptr, ptr + col); + } + + if ( do_bin + && do_hex + && ! ((col > 0 + && (ptr[col] == 'X' + || ptr[col] == 'x') + && ptr[col - 1] == '0' + && (!has_mbyte || + !(*mb_head_off)(ptr, ptr + col - 1)) + && vim_isxdigit(ptr[col + 1])))) + { + + // In case of binary/hexadecimal pattern overlap match, rescan + + col = pos->col; + + while (col > 0 && vim_isdigit(ptr[col])) + { + col--; + if (has_mbyte) + col -= (*mb_head_off)(ptr, ptr + col); + } + } + + if (( do_hex + && col > 0 + && (ptr[col] == 'X' + || ptr[col] == 'x') + && ptr[col - 1] == '0' + && (!has_mbyte || + !(*mb_head_off)(ptr, ptr + col - 1)) + && vim_isxdigit(ptr[col + 1])) || + ( do_bin + && col > 0 + && (ptr[col] == 'B' + || ptr[col] == 'b') + && ptr[col - 1] == '0' + && (!has_mbyte || + !(*mb_head_off)(ptr, ptr + col - 1)) + && vim_isbdigit(ptr[col + 1]))) + { + // Found hexadecimal or binary number, move to its start. + --col; + if (has_mbyte) + col -= (*mb_head_off)(ptr, ptr + col); + } + else + { + /* + * Search forward and then backward to find the start of number. + */ + col = pos->col; + + while (ptr[col] != NUL + && !vim_isdigit(ptr[col]) + && !(do_alpha && ASCII_ISALPHA(ptr[col]))) + col += mb_ptr2len(ptr + col); + + while (col > 0 + && vim_isdigit(ptr[col - 1]) + && !(do_alpha && ASCII_ISALPHA(ptr[col]))) + { + --col; + if (has_mbyte) + col -= (*mb_head_off)(ptr, ptr + col); + } + } + } + + if (visual) + { + while (ptr[col] != NUL && length > 0 + && !vim_isdigit(ptr[col]) + && !(do_alpha && ASCII_ISALPHA(ptr[col]))) + { + int mb_len = mb_ptr2len(ptr + col); + + col += mb_len; + length -= mb_len; + } + + if (length == 0) + goto theend; + + if (col > pos->col && ptr[col - 1] == '-' + && (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1)) + && !do_unsigned) + { + negative = TRUE; + was_positive = FALSE; + } + } + + /* + * If a number was found, and saving for undo works, replace the number. + */ + firstdigit = ptr[col]; + if (!VIM_ISDIGIT(firstdigit) && !(do_alpha && ASCII_ISALPHA(firstdigit))) + { + beep_flush(); + goto theend; + } + + if (do_alpha && ASCII_ISALPHA(firstdigit)) + { + // decrement or increment alphabetic character + if (op_type == OP_NR_SUB) + { + if (CharOrd(firstdigit) < Prenum1) + { + if (isupper(firstdigit)) + firstdigit = 'A'; + else + firstdigit = 'a'; + } + else +#ifdef EBCDIC + firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1); +#else + firstdigit -= Prenum1; +#endif + } + else + { + if (26 - CharOrd(firstdigit) - 1 < Prenum1) + { + if (isupper(firstdigit)) + firstdigit = 'Z'; + else + firstdigit = 'z'; + } + else +#ifdef EBCDIC + firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1); +#else + firstdigit += Prenum1; +#endif + } + curwin->w_cursor.col = col; + if (!did_change) + startpos = curwin->w_cursor; + did_change = TRUE; + (void)del_char(FALSE); + ins_char(firstdigit); + endpos = curwin->w_cursor; + curwin->w_cursor.col = col; + } + else + { + pos_T save_pos; + int i; + + if (col > 0 && ptr[col - 1] == '-' + && (!has_mbyte || + !(*mb_head_off)(ptr, ptr + col - 1)) + && !visual + && !do_unsigned) + { + // negative number + --col; + negative = TRUE; + } + // get the number value (unsigned) + if (visual && VIsual_mode != 'V') + maxlen = (curbuf->b_visual.vi_curswant == MAXCOL + ? (int)STRLEN(ptr) - col + : length); + + vim_str2nr(ptr + col, &pre, &length, + 0 + (do_bin ? STR2NR_BIN : 0) + + (do_oct ? STR2NR_OCT : 0) + + (do_hex ? STR2NR_HEX : 0), + NULL, &n, maxlen, FALSE); + + // ignore leading '-' for hex and octal and bin numbers + if (pre && negative) + { + ++col; + --length; + negative = FALSE; + } + // add or subtract + subtract = FALSE; + if (op_type == OP_NR_SUB) + subtract ^= TRUE; + if (negative) + subtract ^= TRUE; + + oldn = n; + if (subtract) + n -= (uvarnumber_T)Prenum1; + else + n += (uvarnumber_T)Prenum1; + // handle wraparound for decimal numbers + if (!pre) + { + if (subtract) + { + if (n > oldn) + { + n = 1 + (n ^ (uvarnumber_T)-1); + negative ^= TRUE; + } + } + else + { + // add + if (n < oldn) + { + n = (n ^ (uvarnumber_T)-1); + negative ^= TRUE; + } + } + if (n == 0) + negative = FALSE; + } + + if (do_unsigned && negative) + { + if (subtract) + // sticking at zero. + n = (uvarnumber_T)0; + else + // sticking at 2^64 - 1. + n = (uvarnumber_T)(-1); + negative = FALSE; + } + + if (visual && !was_positive && !negative && col > 0) + { + // need to remove the '-' + col--; + length++; + } + + /* + * Delete the old number. + */ + curwin->w_cursor.col = col; + if (!did_change) + startpos = curwin->w_cursor; + did_change = TRUE; + todel = length; + c = gchar_cursor(); + /* + * Don't include the '-' in the length, only the length of the + * part after it is kept the same. + */ + if (c == '-') + --length; + + save_pos = curwin->w_cursor; + for (i = 0; i < todel; ++i) + { + if (c < 0x100 && isalpha(c)) + { + if (isupper(c)) + hexupper = TRUE; + else + hexupper = FALSE; + } + inc_cursor(); + c = gchar_cursor(); + } + curwin->w_cursor = save_pos; + + /* + * Prepare the leading characters in buf1[]. + * When there are many leading zeros it could be very long. + * Allocate a bit too much. + */ + buf1 = alloc(length + NUMBUFLEN); + if (buf1 == NULL) + goto theend; + ptr = buf1; + if (negative && (!visual || was_positive)) + *ptr++ = '-'; + if (pre) + { + *ptr++ = '0'; + --length; + } + if (pre == 'b' || pre == 'B' || + pre == 'x' || pre == 'X') + { + *ptr++ = pre; + --length; + } + + /* + * Put the number characters in buf2[]. + */ + if (pre == 'b' || pre == 'B') + { + int bit = 0; + int bits = sizeof(uvarnumber_T) * 8; + + // leading zeros + for (bit = bits; bit > 0; bit--) + if ((n >> (bit - 1)) & 0x1) break; + + for (i = 0; bit > 0; bit--) + buf2[i++] = ((n >> (bit - 1)) & 0x1) ? '1' : '0'; + + buf2[i] = '\0'; + } + else if (pre == 0) + vim_snprintf((char *)buf2, NUMBUFLEN, "%llu", (uvarnumber_T)n); + else if (pre == '0') + vim_snprintf((char *)buf2, NUMBUFLEN, "%llo", (uvarnumber_T)n); + else if (pre && hexupper) + vim_snprintf((char *)buf2, NUMBUFLEN, "%llX", (uvarnumber_T)n); + else + vim_snprintf((char *)buf2, NUMBUFLEN, "%llx", (uvarnumber_T)n); + length -= (int)STRLEN(buf2); + + /* + * Adjust number of zeros to the new number of digits, so the + * total length of the number remains the same. + * Don't do this when + * the result may look like an octal number. + */ + if (firstdigit == '0' && !(do_oct && pre == 0)) + while (length-- > 0) + *ptr++ = '0'; + *ptr = NUL; + + STRCAT(buf1, buf2); + + // Insert just after the first character to be removed, so that any + // text properties will be adjusted. Then delete the old number + // afterwards. + save_pos = curwin->w_cursor; + if (todel > 0) + inc_cursor(); + ins_str(buf1); // insert the new number + vim_free(buf1); + + // del_char() will also mark line needing displaying + if (todel > 0) + { + int bytes_after = (int)STRLEN(ml_get_curline()) + - curwin->w_cursor.col; + + // Delete the one character before the insert. + curwin->w_cursor = save_pos; + (void)del_char(FALSE); + curwin->w_cursor.col = (colnr_T)(STRLEN(ml_get_curline()) + - bytes_after); + --todel; + } + while (todel-- > 0) + (void)del_char(FALSE); + + endpos = curwin->w_cursor; + if (did_change && curwin->w_cursor.col) + --curwin->w_cursor.col; + } + + if (did_change && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) + { + // set the '[ and '] marks + curbuf->b_op_start = startpos; + curbuf->b_op_end = endpos; + if (curbuf->b_op_end.col > 0) + --curbuf->b_op_end.col; + } + +theend: + if (visual) + curwin->w_cursor = save_cursor; + else if (did_change) + curwin->w_set_curswant = TRUE; + else if (virtual_active()) + curwin->w_cursor.coladd = save_coladd; + + return did_change; +} + + void +clear_oparg(oparg_T *oap) +{ + CLEAR_POINTER(oap); +} + +/* + * Count the number of bytes, characters and "words" in a line. + * + * "Words" are counted by looking for boundaries between non-space and + * space characters. (it seems to produce results that match 'wc'.) + * + * Return value is byte count; word count for the line is added to "*wc". + * Char count is added to "*cc". + * + * The function will only examine the first "limit" characters in the + * line, stopping if it encounters an end-of-line (NUL byte). In that + * case, eol_size will be added to the character count to account for + * the size of the EOL character. + */ + static varnumber_T +line_count_info( + char_u *line, + varnumber_T *wc, + varnumber_T *cc, + varnumber_T limit, + int eol_size) +{ + varnumber_T i; + varnumber_T words = 0; + varnumber_T chars = 0; + int is_word = 0; + + for (i = 0; i < limit && line[i] != NUL; ) + { + if (is_word) + { + if (vim_isspace(line[i])) + { + words++; + is_word = 0; + } + } + else if (!vim_isspace(line[i])) + is_word = 1; + ++chars; + i += (*mb_ptr2len)(line + i); + } + + if (is_word) + words++; + *wc += words; + + // Add eol_size if the end of line was reached before hitting limit. + if (i < limit && line[i] == NUL) + { + i += eol_size; + chars += eol_size; + } + *cc += chars; + return i; +} + +/* + * Give some info about the position of the cursor (for "g CTRL-G"). + * In Visual mode, give some info about the selected region. (In this case, + * the *_count_cursor variables store running totals for the selection.) + * When "dict" is not NULL store the info there instead of showing it. + */ + void +cursor_pos_info(dict_T *dict) +{ + char_u *p; + char_u buf1[50]; + char_u buf2[40]; + linenr_T lnum; + varnumber_T byte_count = 0; + varnumber_T bom_count = 0; + varnumber_T byte_count_cursor = 0; + varnumber_T char_count = 0; + varnumber_T char_count_cursor = 0; + varnumber_T word_count = 0; + varnumber_T word_count_cursor = 0; + int eol_size; + varnumber_T last_check = 100000L; + long line_count_selected = 0; + pos_T min_pos, max_pos; + oparg_T oparg; + struct block_def bd; + + /* + * Compute the length of the file in characters. + */ + if (curbuf->b_ml.ml_flags & ML_EMPTY) + { + if (dict == NULL) + { + msg(_(no_lines_msg)); + return; + } + } + else + { + if (get_fileformat(curbuf) == EOL_DOS) + eol_size = 2; + else + eol_size = 1; + + if (VIsual_active) + { + if (LT_POS(VIsual, curwin->w_cursor)) + { + min_pos = VIsual; + max_pos = curwin->w_cursor; + } + else + { + min_pos = curwin->w_cursor; + max_pos = VIsual; + } + if (*p_sel == 'e' && max_pos.col > 0) + --max_pos.col; + + if (VIsual_mode == Ctrl_V) + { +#ifdef FEAT_LINEBREAK + char_u * saved_sbr = p_sbr; + char_u * saved_w_sbr = curwin->w_p_sbr; + + // Make 'sbr' empty for a moment to get the correct size. + p_sbr = empty_option; + curwin->w_p_sbr = empty_option; +#endif + oparg.is_VIsual = 1; + oparg.block_mode = TRUE; + oparg.op_type = OP_NOP; + getvcols(curwin, &min_pos, &max_pos, + &oparg.start_vcol, &oparg.end_vcol); +#ifdef FEAT_LINEBREAK + p_sbr = saved_sbr; + curwin->w_p_sbr = saved_w_sbr; +#endif + if (curwin->w_curswant == MAXCOL) + oparg.end_vcol = MAXCOL; + // Swap the start, end vcol if needed + if (oparg.end_vcol < oparg.start_vcol) + { + oparg.end_vcol += oparg.start_vcol; + oparg.start_vcol = oparg.end_vcol - oparg.start_vcol; + oparg.end_vcol -= oparg.start_vcol; + } + } + line_count_selected = max_pos.lnum - min_pos.lnum + 1; + } + + for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) + { + // Check for a CTRL-C every 100000 characters. + if (byte_count > last_check) + { + ui_breakcheck(); + if (got_int) + return; + last_check = byte_count + 100000L; + } + + // Do extra processing for VIsual mode. + if (VIsual_active + && lnum >= min_pos.lnum && lnum <= max_pos.lnum) + { + char_u *s = NULL; + long len = 0L; + + switch (VIsual_mode) + { + case Ctrl_V: + virtual_op = virtual_active(); + block_prep(&oparg, &bd, lnum, 0); + virtual_op = MAYBE; + s = bd.textstart; + len = (long)bd.textlen; + break; + case 'V': + s = ml_get(lnum); + len = MAXCOL; + break; + case 'v': + { + colnr_T start_col = (lnum == min_pos.lnum) + ? min_pos.col : 0; + colnr_T end_col = (lnum == max_pos.lnum) + ? max_pos.col - start_col + 1 : MAXCOL; + + s = ml_get(lnum) + start_col; + len = end_col; + } + break; + } + if (s != NULL) + { + byte_count_cursor += line_count_info(s, &word_count_cursor, + &char_count_cursor, len, eol_size); + if (lnum == curbuf->b_ml.ml_line_count + && !curbuf->b_p_eol + && (curbuf->b_p_bin || !curbuf->b_p_fixeol) + && (long)STRLEN(s) < len) + byte_count_cursor -= eol_size; + } + } + else + { + // In non-visual mode, check for the line the cursor is on + if (lnum == curwin->w_cursor.lnum) + { + word_count_cursor += word_count; + char_count_cursor += char_count; + byte_count_cursor = byte_count + + line_count_info(ml_get(lnum), + &word_count_cursor, &char_count_cursor, + (varnumber_T)(curwin->w_cursor.col + 1), + eol_size); + } + } + // Add to the running totals + byte_count += line_count_info(ml_get(lnum), &word_count, + &char_count, (varnumber_T)MAXCOL, + eol_size); + } + + // Correction for when last line doesn't have an EOL. + if (!curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol)) + byte_count -= eol_size; + + if (dict == NULL) + { + if (VIsual_active) + { + if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) + { + getvcols(curwin, &min_pos, &max_pos, &min_pos.col, + &max_pos.col); + vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "), + (long)(oparg.end_vcol - oparg.start_vcol + 1)); + } + else + buf1[0] = NUL; + + if (char_count_cursor == byte_count_cursor + && char_count == byte_count) + vim_snprintf((char *)IObuff, IOSIZE, + _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Bytes"), + buf1, line_count_selected, + (long)curbuf->b_ml.ml_line_count, + (varnumber_T)word_count_cursor, + (varnumber_T)word_count, + (varnumber_T)byte_count_cursor, + (varnumber_T)byte_count); + else + vim_snprintf((char *)IObuff, IOSIZE, + _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Chars; %lld of %lld Bytes"), + buf1, line_count_selected, + (long)curbuf->b_ml.ml_line_count, + (varnumber_T)word_count_cursor, + (varnumber_T)word_count, + (varnumber_T)char_count_cursor, + (varnumber_T)char_count, + (varnumber_T)byte_count_cursor, + (varnumber_T)byte_count); + } + else + { + p = ml_get_curline(); + validate_virtcol(); + col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1, + (int)curwin->w_virtcol + 1); + col_print(buf2, sizeof(buf2), (int)STRLEN(p), + linetabsize(p)); + + if (char_count_cursor == byte_count_cursor + && char_count == byte_count) + vim_snprintf((char *)IObuff, IOSIZE, + _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Byte %lld of %lld"), + (char *)buf1, (char *)buf2, + (long)curwin->w_cursor.lnum, + (long)curbuf->b_ml.ml_line_count, + (varnumber_T)word_count_cursor, (varnumber_T)word_count, + (varnumber_T)byte_count_cursor, (varnumber_T)byte_count); + else + vim_snprintf((char *)IObuff, IOSIZE, + _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Char %lld of %lld; Byte %lld of %lld"), + (char *)buf1, (char *)buf2, + (long)curwin->w_cursor.lnum, + (long)curbuf->b_ml.ml_line_count, + (varnumber_T)word_count_cursor, (varnumber_T)word_count, + (varnumber_T)char_count_cursor, (varnumber_T)char_count, + (varnumber_T)byte_count_cursor, (varnumber_T)byte_count); + } + } + + bom_count = bomb_size(); + if (dict == NULL && bom_count > 0) + { + size_t len = STRLEN(IObuff); + + vim_snprintf((char *)IObuff + len, IOSIZE - len, + _("(+%lld for BOM)"), (varnumber_T)bom_count); + } + if (dict == NULL) + { + // Don't shorten this message, the user asked for it. + p = p_shm; + p_shm = (char_u *)""; + msg((char *)IObuff); + p_shm = p; + } + } +#if defined(FEAT_EVAL) + if (dict != NULL) + { + dict_add_number(dict, "words", word_count); + dict_add_number(dict, "chars", char_count); + dict_add_number(dict, "bytes", byte_count + bom_count); + dict_add_number(dict, VIsual_active ? "visual_bytes" : "cursor_bytes", + byte_count_cursor); + dict_add_number(dict, VIsual_active ? "visual_chars" : "cursor_chars", + char_count_cursor); + dict_add_number(dict, VIsual_active ? "visual_words" : "cursor_words", + word_count_cursor); + } +#endif +} + +/* + * Handle indent and format operators and visual mode ":". + */ + static void +op_colon(oparg_T *oap) +{ + stuffcharReadbuff(':'); + if (oap->is_VIsual) + stuffReadbuff((char_u *)"'<,'>"); + else + { + // Make the range look nice, so it can be repeated. + if (oap->start.lnum == curwin->w_cursor.lnum) + stuffcharReadbuff('.'); + else + stuffnumReadbuff((long)oap->start.lnum); + if (oap->end.lnum != oap->start.lnum) + { + stuffcharReadbuff(','); + if (oap->end.lnum == curwin->w_cursor.lnum) + stuffcharReadbuff('.'); + else if (oap->end.lnum == curbuf->b_ml.ml_line_count) + stuffcharReadbuff('$'); + else if (oap->start.lnum == curwin->w_cursor.lnum) + { + stuffReadbuff((char_u *)".+"); + stuffnumReadbuff((long)oap->line_count - 1); + } + else + stuffnumReadbuff((long)oap->end.lnum); + } + } + if (oap->op_type != OP_COLON) + stuffReadbuff((char_u *)"!"); + if (oap->op_type == OP_INDENT) + { +#ifndef FEAT_CINDENT + if (*get_equalprg() == NUL) + stuffReadbuff((char_u *)"indent"); + else +#endif + stuffReadbuff(get_equalprg()); + stuffReadbuff((char_u *)"\n"); + } + else if (oap->op_type == OP_FORMAT) + { + if (*curbuf->b_p_fp != NUL) + stuffReadbuff(curbuf->b_p_fp); + else if (*p_fp != NUL) + stuffReadbuff(p_fp); + else + stuffReadbuff((char_u *)"fmt"); + stuffReadbuff((char_u *)"\n']"); + } + + // do_cmdline() does the rest +} + +/* + * Handle the "g@" operator: call 'operatorfunc'. + */ + static void +op_function(oparg_T *oap UNUSED) +{ +#ifdef FEAT_EVAL + typval_T argv[2]; + int save_virtual_op = virtual_op; + pos_T orig_start = curbuf->b_op_start; + pos_T orig_end = curbuf->b_op_end; + + if (*p_opfunc == NUL) + emsg(_("E774: 'operatorfunc' is empty")); + else + { + // Set '[ and '] marks to text to be operated on. + curbuf->b_op_start = oap->start; + curbuf->b_op_end = oap->end; + if (oap->motion_type != MLINE && !oap->inclusive) + // Exclude the end position. + decl(&curbuf->b_op_end); + + argv[0].v_type = VAR_STRING; + if (oap->block_mode) + argv[0].vval.v_string = (char_u *)"block"; + else if (oap->motion_type == MLINE) + argv[0].vval.v_string = (char_u *)"line"; + else + argv[0].vval.v_string = (char_u *)"char"; + argv[1].v_type = VAR_UNKNOWN; + + // Reset virtual_op so that 'virtualedit' can be changed in the + // function. + virtual_op = MAYBE; + + (void)call_func_noret(p_opfunc, 1, argv); + + virtual_op = save_virtual_op; + if (cmdmod.cmod_flags & CMOD_LOCKMARKS) + { + curbuf->b_op_start = orig_start; + curbuf->b_op_end = orig_end; + } + } +#else + emsg(_("E775: Eval feature not available")); +#endif +} + +/* + * Calculate start/end virtual columns for operating in block mode. + */ + static void +get_op_vcol( + oparg_T *oap, + colnr_T redo_VIsual_vcol, + int initial) // when TRUE adjust position for 'selectmode' +{ + colnr_T start, end; + + if (VIsual_mode != Ctrl_V + || (!initial && oap->end.col < curwin->w_width)) + return; + + oap->block_mode = TRUE; + + // prevent from moving onto a trail byte + if (has_mbyte) + mb_adjustpos(curwin->w_buffer, &oap->end); + + getvvcol(curwin, &(oap->start), &oap->start_vcol, NULL, &oap->end_vcol); + + if (!redo_VIsual_busy) + { + getvvcol(curwin, &(oap->end), &start, NULL, &end); + + if (start < oap->start_vcol) + oap->start_vcol = start; + if (end > oap->end_vcol) + { + if (initial && *p_sel == 'e' && start >= 1 + && start - 1 >= oap->end_vcol) + oap->end_vcol = start - 1; + else + oap->end_vcol = end; + } + } + + // if '$' was used, get oap->end_vcol from longest line + if (curwin->w_curswant == MAXCOL) + { + curwin->w_cursor.col = MAXCOL; + oap->end_vcol = 0; + for (curwin->w_cursor.lnum = oap->start.lnum; + curwin->w_cursor.lnum <= oap->end.lnum; + ++curwin->w_cursor.lnum) + { + getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end); + if (end > oap->end_vcol) + oap->end_vcol = end; + } + } + else if (redo_VIsual_busy) + oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1; + // Correct oap->end.col and oap->start.col to be the + // upper-left and lower-right corner of the block area. + // + // (Actually, this does convert column positions into character + // positions) + curwin->w_cursor.lnum = oap->end.lnum; + coladvance(oap->end_vcol); + oap->end = curwin->w_cursor; + + curwin->w_cursor = oap->start; + coladvance(oap->start_vcol); + oap->start = curwin->w_cursor; +} + +/* + * Handle an operator after Visual mode or when the movement is finished. + * "gui_yank" is true when yanking text for the clipboard. + */ + void +do_pending_operator(cmdarg_T *cap, int old_col, int gui_yank) +{ + oparg_T *oap = cap->oap; + pos_T old_cursor; + int empty_region_error; + int restart_edit_save; +#ifdef FEAT_LINEBREAK + int lbr_saved = curwin->w_p_lbr; +#endif + + // The visual area is remembered for redo + static int redo_VIsual_mode = NUL; // 'v', 'V', or Ctrl-V + static linenr_T redo_VIsual_line_count; // number of lines + static colnr_T redo_VIsual_vcol; // number of cols or end column + static long redo_VIsual_count; // count for Visual operator + static int redo_VIsual_arg; // extra argument + int include_line_break = FALSE; + +#if defined(FEAT_CLIPBOARD) + // Yank the visual area into the GUI selection register before we operate + // on it and lose it forever. + // Don't do it if a specific register was specified, so that ""x"*P works. + // This could call do_pending_operator() recursively, but that's OK + // because gui_yank will be TRUE for the nested call. + if ((clip_star.available || clip_plus.available) + && oap->op_type != OP_NOP + && !gui_yank + && VIsual_active + && !redo_VIsual_busy + && oap->regname == 0) + clip_auto_select(); +#endif + old_cursor = curwin->w_cursor; + + // If an operation is pending, handle it... + if ((finish_op || VIsual_active) && oap->op_type != OP_NOP) + { + // Yank can be redone when 'y' is in 'cpoptions', but not when yanking + // for the clipboard. + int redo_yank = vim_strchr(p_cpo, CPO_YANK) != NULL && !gui_yank; + +#ifdef FEAT_LINEBREAK + // Avoid a problem with unwanted linebreaks in block mode. + if (curwin->w_p_lbr) + curwin->w_valid &= ~VALID_VIRTCOL; + curwin->w_p_lbr = FALSE; +#endif + oap->is_VIsual = VIsual_active; + if (oap->motion_force == 'V') + oap->motion_type = MLINE; + else if (oap->motion_force == 'v') + { + // If the motion was linewise, "inclusive" will not have been set. + // Use "exclusive" to be consistent. Makes "dvj" work nice. + if (oap->motion_type == MLINE) + oap->inclusive = FALSE; + // If the motion already was characterwise, toggle "inclusive" + else if (oap->motion_type == MCHAR) + oap->inclusive = !oap->inclusive; + oap->motion_type = MCHAR; + } + else if (oap->motion_force == Ctrl_V) + { + // Change line- or characterwise motion into Visual block mode. + if (!VIsual_active) + { + VIsual_active = TRUE; + VIsual = oap->start; + } + VIsual_mode = Ctrl_V; + VIsual_select = FALSE; + VIsual_reselect = FALSE; + } + + // Only redo yank when 'y' flag is in 'cpoptions'. + // Never redo "zf" (define fold). + if ((redo_yank || oap->op_type != OP_YANK) + && ((!VIsual_active || oap->motion_force) + // Also redo Operator-pending Visual mode mappings + || (VIsual_active + && (cap->cmdchar == ':' || cap->cmdchar == K_COMMAND) + && oap->op_type != OP_COLON)) + && cap->cmdchar != 'D' +#ifdef FEAT_FOLDING + && oap->op_type != OP_FOLD + && oap->op_type != OP_FOLDOPEN + && oap->op_type != OP_FOLDOPENREC + && oap->op_type != OP_FOLDCLOSE + && oap->op_type != OP_FOLDCLOSEREC + && oap->op_type != OP_FOLDDEL + && oap->op_type != OP_FOLDDELREC +#endif + ) + { + prep_redo(oap->regname, cap->count0, + get_op_char(oap->op_type), get_extra_op_char(oap->op_type), + oap->motion_force, cap->cmdchar, cap->nchar); + if (cap->cmdchar == '/' || cap->cmdchar == '?') // was a search + { + // If 'cpoptions' does not contain 'r', insert the search + // pattern to really repeat the same command. + if (vim_strchr(p_cpo, CPO_REDO) == NULL) + AppendToRedobuffLit(cap->searchbuf, -1); + AppendToRedobuff(NL_STR); + } + else if (cap->cmdchar == ':' || cap->cmdchar == K_COMMAND) + { + // do_cmdline() has stored the first typed line in + // "repeat_cmdline". When several lines are typed repeating + // won't be possible. + if (repeat_cmdline == NULL) + ResetRedobuff(); + else + { + AppendToRedobuffLit(repeat_cmdline, -1); + AppendToRedobuff(NL_STR); + VIM_CLEAR(repeat_cmdline); + } + } + } + + if (redo_VIsual_busy) + { + // Redo of an operation on a Visual area. Use the same size from + // redo_VIsual_line_count and redo_VIsual_vcol. + oap->start = curwin->w_cursor; + curwin->w_cursor.lnum += redo_VIsual_line_count - 1; + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + VIsual_mode = redo_VIsual_mode; + if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v') + { + if (VIsual_mode == 'v') + { + if (redo_VIsual_line_count <= 1) + { + validate_virtcol(); + curwin->w_curswant = + curwin->w_virtcol + redo_VIsual_vcol - 1; + } + else + curwin->w_curswant = redo_VIsual_vcol; + } + else + { + curwin->w_curswant = MAXCOL; + } + coladvance(curwin->w_curswant); + } + cap->count0 = redo_VIsual_count; + if (redo_VIsual_count != 0) + cap->count1 = redo_VIsual_count; + else + cap->count1 = 1; + } + else if (VIsual_active) + { + if (!gui_yank) + { + // Save the current VIsual area for '< and '> marks, and "gv" + curbuf->b_visual.vi_start = VIsual; + curbuf->b_visual.vi_end = curwin->w_cursor; + curbuf->b_visual.vi_mode = VIsual_mode; + restore_visual_mode(); + curbuf->b_visual.vi_curswant = curwin->w_curswant; +# ifdef FEAT_EVAL + curbuf->b_visual_mode_eval = VIsual_mode; +# endif + } + + // In Select mode, a linewise selection is operated upon like a + // characterwise selection. + // Special case: gH<Del> deletes the last line. + if (VIsual_select && VIsual_mode == 'V' + && cap->oap->op_type != OP_DELETE) + { + if (LT_POS(VIsual, curwin->w_cursor)) + { + VIsual.col = 0; + curwin->w_cursor.col = + (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum)); + } + else + { + curwin->w_cursor.col = 0; + VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum)); + } + VIsual_mode = 'v'; + } + // If 'selection' is "exclusive", backup one character for + // charwise selections. + else if (VIsual_mode == 'v') + include_line_break = unadjust_for_sel(); + + oap->start = VIsual; + if (VIsual_mode == 'V') + { + oap->start.col = 0; + oap->start.coladd = 0; + } + } + + // Set oap->start to the first position of the operated text, oap->end + // to the end of the operated text. w_cursor is equal to oap->start. + if (LT_POS(oap->start, curwin->w_cursor)) + { +#ifdef FEAT_FOLDING + // Include folded lines completely. + if (!VIsual_active) + { + if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL)) + oap->start.col = 0; + if ((curwin->w_cursor.col > 0 || oap->inclusive + || oap->motion_type == MLINE) + && hasFolding(curwin->w_cursor.lnum, NULL, + &curwin->w_cursor.lnum)) + curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline()); + } +#endif + oap->end = curwin->w_cursor; + curwin->w_cursor = oap->start; + + // w_virtcol may have been updated; if the cursor goes back to its + // previous position w_virtcol becomes invalid and isn't updated + // automatically. + curwin->w_valid &= ~VALID_VIRTCOL; + } + else + { +#ifdef FEAT_FOLDING + // Include folded lines completely. + if (!VIsual_active && oap->motion_type == MLINE) + { + if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, + NULL)) + curwin->w_cursor.col = 0; + if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum)) + oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum)); + } +#endif + oap->end = oap->start; + oap->start = curwin->w_cursor; + } + + // Just in case lines were deleted that make the position invalid. + check_pos(curwin->w_buffer, &oap->end); + oap->line_count = oap->end.lnum - oap->start.lnum + 1; + + // Set "virtual_op" before resetting VIsual_active. + virtual_op = virtual_active(); + + if (VIsual_active || redo_VIsual_busy) + { + get_op_vcol(oap, redo_VIsual_vcol, TRUE); + + if (!redo_VIsual_busy && !gui_yank) + { + // Prepare to reselect and redo Visual: this is based on the + // size of the Visual text + resel_VIsual_mode = VIsual_mode; + if (curwin->w_curswant == MAXCOL) + resel_VIsual_vcol = MAXCOL; + else + { + if (VIsual_mode != Ctrl_V) + getvvcol(curwin, &(oap->end), + NULL, NULL, &oap->end_vcol); + if (VIsual_mode == Ctrl_V || oap->line_count <= 1) + { + if (VIsual_mode != Ctrl_V) + getvvcol(curwin, &(oap->start), + &oap->start_vcol, NULL, NULL); + resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1; + } + else + resel_VIsual_vcol = oap->end_vcol; + } + resel_VIsual_line_count = oap->line_count; + } + + // can't redo yank (unless 'y' is in 'cpoptions') and ":" + if ((redo_yank || oap->op_type != OP_YANK) + && oap->op_type != OP_COLON +#ifdef FEAT_FOLDING + && oap->op_type != OP_FOLD + && oap->op_type != OP_FOLDOPEN + && oap->op_type != OP_FOLDOPENREC + && oap->op_type != OP_FOLDCLOSE + && oap->op_type != OP_FOLDCLOSEREC + && oap->op_type != OP_FOLDDEL + && oap->op_type != OP_FOLDDELREC +#endif + && oap->motion_force == NUL + ) + { + // Prepare for redoing. Only use the nchar field for "r", + // otherwise it might be the second char of the operator. + if (cap->cmdchar == 'g' && (cap->nchar == 'n' + || cap->nchar == 'N')) + prep_redo(oap->regname, cap->count0, + get_op_char(oap->op_type), + get_extra_op_char(oap->op_type), + oap->motion_force, cap->cmdchar, cap->nchar); + else if (cap->cmdchar != ':' && cap->cmdchar != K_COMMAND) + { + int nchar = oap->op_type == OP_REPLACE ? cap->nchar : NUL; + + // reverse what nv_replace() did + if (nchar == REPLACE_CR_NCHAR) + nchar = CAR; + else if (nchar == REPLACE_NL_NCHAR) + nchar = NL; + prep_redo(oap->regname, 0L, NUL, 'v', + get_op_char(oap->op_type), + get_extra_op_char(oap->op_type), + nchar); + } + if (!redo_VIsual_busy) + { + redo_VIsual_mode = resel_VIsual_mode; + redo_VIsual_vcol = resel_VIsual_vcol; + redo_VIsual_line_count = resel_VIsual_line_count; + redo_VIsual_count = cap->count0; + redo_VIsual_arg = cap->arg; + } + } + + // oap->inclusive defaults to TRUE. + // If oap->end is on a NUL (empty line) oap->inclusive becomes + // FALSE. This makes "d}P" and "v}dP" work the same. + if (oap->motion_force == NUL || oap->motion_type == MLINE) + oap->inclusive = TRUE; + if (VIsual_mode == 'V') + oap->motion_type = MLINE; + else + { + oap->motion_type = MCHAR; + if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL + && (include_line_break || !virtual_op)) + { + oap->inclusive = FALSE; + // Try to include the newline, unless it's an operator + // that works on lines only. + if (*p_sel != 'o' + && !op_on_lines(oap->op_type) + && oap->end.lnum < curbuf->b_ml.ml_line_count) + { + ++oap->end.lnum; + oap->end.col = 0; + oap->end.coladd = 0; + ++oap->line_count; + } + } + } + + redo_VIsual_busy = FALSE; + + // Switch Visual off now, so screen updating does + // not show inverted text when the screen is redrawn. + // With OP_YANK and sometimes with OP_COLON and OP_FILTER there is + // no screen redraw, so it is done here to remove the inverted + // part. + if (!gui_yank) + { + VIsual_active = FALSE; + setmouse(); + mouse_dragging = 0; + may_clear_cmdline(); + if ((oap->op_type == OP_YANK + || oap->op_type == OP_COLON + || oap->op_type == OP_FUNCTION + || oap->op_type == OP_FILTER) + && oap->motion_force == NUL) + { +#ifdef FEAT_LINEBREAK + // make sure redrawing is correct + curwin->w_p_lbr = lbr_saved; +#endif + redraw_curbuf_later(INVERTED); + } + } + } + + // Include the trailing byte of a multi-byte char. + if (has_mbyte && oap->inclusive) + { + int l; + + l = (*mb_ptr2len)(ml_get_pos(&oap->end)); + if (l > 1) + oap->end.col += l - 1; + } + curwin->w_set_curswant = TRUE; + + // oap->empty is set when start and end are the same. The inclusive + // flag affects this too, unless yanking and the end is on a NUL. + oap->empty = (oap->motion_type == MCHAR + && (!oap->inclusive + || (oap->op_type == OP_YANK + && gchar_pos(&oap->end) == NUL)) + && EQUAL_POS(oap->start, oap->end) + && !(virtual_op && oap->start.coladd != oap->end.coladd)); + // For delete, change and yank, it's an error to operate on an + // empty region, when 'E' included in 'cpoptions' (Vi compatible). + empty_region_error = (oap->empty + && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL); + + // Force a redraw when operating on an empty Visual region, when + // 'modifiable is off or creating a fold. + if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma +#ifdef FEAT_FOLDING + || oap->op_type == OP_FOLD +#endif + )) + { +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif + redraw_curbuf_later(INVERTED); + } + + // If the end of an operator is in column one while oap->motion_type + // is MCHAR and oap->inclusive is FALSE, we put op_end after the last + // character in the previous line. If op_start is on or before the + // first non-blank in the line, the operator becomes linewise + // (strange, but that's the way vi does it). + if ( oap->motion_type == MCHAR + && oap->inclusive == FALSE + && !(cap->retval & CA_NO_ADJ_OP_END) + && oap->end.col == 0 + && (!oap->is_VIsual || *p_sel == 'o') + && !oap->block_mode + && oap->line_count > 1) + { + oap->end_adjusted = TRUE; // remember that we did this + --oap->line_count; + --oap->end.lnum; + if (inindent(0)) + oap->motion_type = MLINE; + else + { + oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); + if (oap->end.col) + { + --oap->end.col; + oap->inclusive = TRUE; + } + } + } + else + oap->end_adjusted = FALSE; + + switch (oap->op_type) + { + case OP_LSHIFT: + case OP_RSHIFT: + op_shift(oap, TRUE, oap->is_VIsual ? (int)cap->count1 : 1); + auto_format(FALSE, TRUE); + break; + + case OP_JOIN_NS: + case OP_JOIN: + if (oap->line_count < 2) + oap->line_count = 2; + if (curwin->w_cursor.lnum + oap->line_count - 1 > + curbuf->b_ml.ml_line_count) + beep_flush(); + else + { + (void)do_join(oap->line_count, oap->op_type == OP_JOIN, + TRUE, TRUE, TRUE); + auto_format(FALSE, TRUE); + } + break; + + case OP_DELETE: + VIsual_reselect = FALSE; // don't reselect now + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + (void)op_delete(oap); + // save cursor line for undo if it wasn't saved yet + if (oap->motion_type == MLINE && has_format_option(FO_AUTO) + && u_save_cursor() == OK) + auto_format(FALSE, TRUE); + } + break; + + case OP_YANK: + if (empty_region_error) + { + if (!gui_yank) + { + vim_beep(BO_OPER); + CancelRedo(); + } + } + else + { +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif + (void)op_yank(oap, FALSE, !gui_yank); + } + check_cursor_col(); + break; + + case OP_CHANGE: + VIsual_reselect = FALSE; // don't reselect now + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + // This is a new edit command, not a restart. Need to + // remember it to make 'insertmode' work with mappings for + // Visual mode. But do this only once and not when typed and + // 'insertmode' isn't set. + if (p_im || !KeyTyped) + restart_edit_save = restart_edit; + else + restart_edit_save = 0; + restart_edit = 0; +#ifdef FEAT_LINEBREAK + // Restore linebreak, so that when the user edits it looks as + // before. + curwin->w_p_lbr = lbr_saved; +#endif + // Reset finish_op now, don't want it set inside edit(). + finish_op = FALSE; + if (op_change(oap)) // will call edit() + cap->retval |= CA_COMMAND_BUSY; + if (restart_edit == 0) + restart_edit = restart_edit_save; + } + break; + + case OP_FILTER: + if (vim_strchr(p_cpo, CPO_FILTER) != NULL) + AppendToRedobuff((char_u *)"!\r"); // use any last used !cmd + else + bangredo = TRUE; // do_bang() will put cmd in redo buffer + // FALLTHROUGH + + case OP_INDENT: + case OP_COLON: + +#if defined(FEAT_LISP) || defined(FEAT_CINDENT) + // If 'equalprg' is empty, do the indenting internally. + if (oap->op_type == OP_INDENT && *get_equalprg() == NUL) + { +# ifdef FEAT_LISP + if (curbuf->b_p_lisp) + { + op_reindent(oap, get_lisp_indent); + break; + } +# endif +# ifdef FEAT_CINDENT + op_reindent(oap, +# ifdef FEAT_EVAL + *curbuf->b_p_inde != NUL ? get_expr_indent : +# endif + get_c_indent); + break; +# endif + } +#endif + + op_colon(oap); + break; + + case OP_TILDE: + case OP_UPPER: + case OP_LOWER: + case OP_ROT13: + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + op_tilde(oap); + check_cursor_col(); + break; + + case OP_FORMAT: +#if defined(FEAT_EVAL) + if (*curbuf->b_p_fex != NUL) + op_formatexpr(oap); // use expression + else +#endif + if (*p_fp != NUL || *curbuf->b_p_fp != NUL) + op_colon(oap); // use external command + else + op_format(oap, FALSE); // use internal function + break; + + case OP_FORMAT2: + op_format(oap, TRUE); // use internal function + break; + + case OP_FUNCTION: +#ifdef FEAT_LINEBREAK + // Restore linebreak, so that when the user edits it looks as + // before. + curwin->w_p_lbr = lbr_saved; +#endif + op_function(oap); // call 'operatorfunc' + break; + + case OP_INSERT: + case OP_APPEND: + VIsual_reselect = FALSE; // don't reselect now + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + // This is a new edit command, not a restart. Need to + // remember it to make 'insertmode' work with mappings for + // Visual mode. But do this only once. + restart_edit_save = restart_edit; + restart_edit = 0; +#ifdef FEAT_LINEBREAK + // Restore linebreak, so that when the user edits it looks as + // before. + curwin->w_p_lbr = lbr_saved; +#endif + op_insert(oap, cap->count1); +#ifdef FEAT_LINEBREAK + // Reset linebreak, so that formatting works correctly. + curwin->w_p_lbr = FALSE; +#endif + + // TODO: when inserting in several lines, should format all + // the lines. + auto_format(FALSE, TRUE); + + if (restart_edit == 0) + restart_edit = restart_edit_save; + else + cap->retval |= CA_COMMAND_BUSY; + } + break; + + case OP_REPLACE: + VIsual_reselect = FALSE; // don't reselect now + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { +#ifdef FEAT_LINEBREAK + // Restore linebreak, so that when the user edits it looks as + // before. + curwin->w_p_lbr = lbr_saved; +#endif + op_replace(oap, cap->nchar); + } + break; + +#ifdef FEAT_FOLDING + case OP_FOLD: + VIsual_reselect = FALSE; // don't reselect now + foldCreate(oap->start.lnum, oap->end.lnum); + break; + + case OP_FOLDOPEN: + case OP_FOLDOPENREC: + case OP_FOLDCLOSE: + case OP_FOLDCLOSEREC: + VIsual_reselect = FALSE; // don't reselect now + opFoldRange(oap->start.lnum, oap->end.lnum, + oap->op_type == OP_FOLDOPEN + || oap->op_type == OP_FOLDOPENREC, + oap->op_type == OP_FOLDOPENREC + || oap->op_type == OP_FOLDCLOSEREC, + oap->is_VIsual); + break; + + case OP_FOLDDEL: + case OP_FOLDDELREC: + VIsual_reselect = FALSE; // don't reselect now + deleteFold(oap->start.lnum, oap->end.lnum, + oap->op_type == OP_FOLDDELREC, oap->is_VIsual); + break; +#endif + case OP_NR_ADD: + case OP_NR_SUB: + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + VIsual_active = TRUE; +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif + op_addsub(oap, cap->count1, redo_VIsual_arg); + VIsual_active = FALSE; + } + check_cursor_col(); + break; + default: + clearopbeep(oap); + } + virtual_op = MAYBE; + if (!gui_yank) + { + // if 'sol' not set, go back to old column for some commands + if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted + && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT + || oap->op_type == OP_DELETE)) + { +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = FALSE; +#endif + coladvance(curwin->w_curswant = old_col); + } + } + else + { + curwin->w_cursor = old_cursor; + } + oap->block_mode = FALSE; + clearop(oap); + motion_force = NUL; + } +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif +} |