diff options
Diffstat (limited to 'src/nvim/ops.c')
| -rw-r--r-- | src/nvim/ops.c | 166 |
1 files changed, 58 insertions, 108 deletions
diff --git a/src/nvim/ops.c b/src/nvim/ops.c index 01fd4bb9a7..25b957e3b9 100644 --- a/src/nvim/ops.c +++ b/src/nvim/ops.c @@ -1,10 +1,8 @@ // This is an open source non-commercial project. Dear PVS-Studio, please check // it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com -/* - * ops.c: implementation of various operators: op_shift, op_delete, op_tilde, - * op_change, op_yank, do_put, do_join - */ +// ops.c: implementation of various operators: op_shift, op_delete, op_tilde, +// op_change, op_yank, do_put, do_join #include <assert.h> #include <inttypes.h> @@ -67,10 +65,8 @@ static bool clipboard_delay_update = false; // delay clipboard update static bool clipboard_needs_update = false; // clipboard was updated static bool clipboard_didwarn = false; -/* - * structure used by block_prep, op_delete and op_yank for blockwise operators - * also op_change, op_shift, op_insert, op_replace - AKelly - */ +// structure used by block_prep, op_delete and op_yank for blockwise operators +// also op_change, op_shift, op_insert, op_replace - AKelly struct block_def { int startspaces; // 'extra' cols before first char int endspaces; // 'extra' cols after last char @@ -96,11 +92,9 @@ struct block_def { #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 indicates whether the operator always works on lines. - */ +// The names of operators. +// IMPORTANT: Index must correspond with defines in vim.h!!! +// The third field indicates whether the operator always works on lines. static char opchars[][3] = { { NUL, NUL, 0 }, // OP_NOP @@ -361,12 +355,10 @@ static void shift_block(oparg_T *oap, int amount) int startcol, oldlen, newlen; if (!left) { - /* - * 1. Get start vcol - * 2. Total ws vcols - * 3. Divvy into TABs & spp - * 4. Construct new string - */ + // 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 colnr_T ws_vcol = bd.start_vcol - bd.pre_whitesp; char_u *old_textstart = bd.textstart; @@ -428,13 +420,11 @@ static void shift_block(oparg_T *oap, int amount) // block shift char_u *non_white = bd.textstart; - /* - * 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. - */ + // 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 @@ -715,9 +705,7 @@ void op_reindent(oparg_T *oap, Indenter how) } } -/* - * Keep the last expression line here, for repeating. - */ +// Keep the last expression line here, for repeating. static char_u *expr_line = NULL; /// Get an expression for the "\"=expr1" or "CTRL-R =expr1" @@ -1165,9 +1153,7 @@ int do_execreg(int regname, int colon, int addcr, int silent) // Disallow remapping for ":@r". int remap = colon ? REMAP_NONE : REMAP_YES; - /* - * Insert lines into typeahead buffer, from last one to first one. - */ + // Insert lines into typeahead buffer, from last one to first one. put_reedit_in_typebuf(silent); char *escaped; for (size_t i = reg->y_size; i-- > 0;) { // from y_size - 1 to 0 included @@ -1277,11 +1263,9 @@ int insert_reg(int regname, bool literally_arg) bool allocated; const bool literally = literally_arg || is_literal_register(regname); - /* - * It is possible to get into an endless loop by having CTRL-R a in - * register a and then, in insert mode, doing CTRL-R a. - * If you hit CTRL-C, the loop will be broken here. - */ + // It is possible to get into an endless loop by having CTRL-R a in + // register a and then, in insert mode, doing CTRL-R a. + // If you hit CTRL-C, the loop will be broken here. os_breakcheck(); if (got_int) { return FAIL; @@ -1503,11 +1487,9 @@ int op_delete(oparg_T *oap) mb_adjust_opend(oap); - /* - * Imitate the strange Vi behaviour: If the delete spans more than one - * line and motion_type == kMTCharWise and the result is a blank line, make the - * delete linewise. Don't do this for the change command or Visual mode. - */ + // Imitate the strange Vi behaviour: If the delete spans more than one + // line and motion_type == kMTCharWise 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 == kMTCharWise && !oap->is_VIsual && oap->line_count > 1 @@ -1523,10 +1505,8 @@ int op_delete(oparg_T *oap) } } - /* - * Check for trying to delete (e.g. "D") in an empty line. - * Note: For the change operator it is ok. - */ + // Check for trying to delete (e.g. "D") in an empty line. + // Note: For the change operator it is ok. if (oap->motion_type != kMTLineWise && oap->line_count == 1 && oap->op_type == OP_DELETE @@ -1544,11 +1524,9 @@ int op_delete(oparg_T *oap) 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. - */ + // 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 != '_') { yankreg_T *reg = NULL; int did_yank = false; @@ -1592,9 +1570,7 @@ int op_delete(oparg_T *oap) } } - /* - * block mode delete - */ + // block mode delete if (oap->motion_type == kMTBlockWise) { if (u_save((linenr_T)(oap->start.lnum - 1), (linenr_T)(oap->end.lnum + 1)) == FAIL) { @@ -1873,9 +1849,7 @@ static int op_replace(oparg_T *oap, int c) return FAIL; } - /* - * block mode replace - */ + // block mode replace if (oap->motion_type == kMTBlockWise) { bd.is_MAX = (curwin->w_curswant == MAXCOL); for (; curwin->w_cursor.lnum <= oap->end.lnum; curwin->w_cursor.lnum++) { @@ -2409,10 +2383,8 @@ void op_insert(oparg_T *oap, long count1) bd.textlen = bd2.textlen; } - /* - * Subsequent calls to ml_get() flush the firstline data - take a - * copy of the required string. - */ + // Subsequent calls to ml_get() flush the firstline data - take a + // copy of the required string. firstline = ml_get(oap->start.lnum); const size_t len = STRLEN(firstline); colnr_T add = bd.textcol; @@ -2510,11 +2482,9 @@ int op_change(oparg_T *oap) 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. - */ + // 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->motion_type == kMTBlockWise && oap->start.lnum != oap->end.lnum && !got_int) { // Auto-indenting may have changed the indent. If the cursor was past @@ -2973,10 +2943,8 @@ void do_put(int regname, yankreg_T *reg, int dir, long count, int flags) curbuf->b_op_start = curwin->w_cursor; // default for '[ mark curbuf->b_op_end = curwin->w_cursor; // default for '] mark - /* - * Using inserted text works differently, because the register includes - * special characters (newlines, etc.). - */ + // Using inserted text works differently, because the register includes + // special characters (newlines, etc.). if (regname == '.' && !reg) { bool non_linewise_vis = (VIsual_active && VIsual_mode != 'V'); @@ -3056,10 +3024,8 @@ void do_put(int regname, yankreg_T *reg, int dir, long count, int flags) return; } - /* - * For special registers '%' (file name), '#' (alternate file name) and - * ':' (last command line), etc. we have to create a fake yank register. - */ + // For special registers '%' (file name), '#' (alternate file name) and + // ':' (last command line), etc. we have to create a fake yank register. if (!reg && get_spec_reg(regname, &insert_string, &allocated, true)) { if (insert_string == NULL) { return; @@ -3232,9 +3198,7 @@ void do_put(int regname, yankreg_T *reg, int dir, long count, int flags) lnum = curwin->w_cursor.lnum; col = curwin->w_cursor.col; - /* - * Block mode - */ + // Block mode if (y_type == kMTBlockWise) { int c = gchar_cursor(); colnr_T endcol2 = 0; @@ -4129,13 +4093,11 @@ int do_join(size_t count, int insert_space, int save_undo, int use_formatoptions cend = newp + sumsize; *cend = 0; - /* - * Move affected lines to the new long one. - * - * 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. - */ + // Move affected lines to the new long one. + // + // 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. curbuf_splice_pending++; @@ -4185,11 +4147,9 @@ int do_join(size_t count, int insert_space, int save_undo, int use_formatoptions changed_lines(curwin->w_cursor.lnum, currsize, curwin->w_cursor.lnum + 1, 0L, true); - /* - * 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. - */ + // 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((long)count - 1, false); @@ -4197,11 +4157,9 @@ int do_join(size_t count, int insert_space, int save_undo, int use_formatoptions curbuf_splice_pending--; curbuf->deleted_bytes2 = 0; - /* - * Set the cursor column: - * Vi compatible: use the column of the first join - * vim: use the column of the last join - */ + // 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(); @@ -4963,16 +4921,12 @@ void *get_reg_contents(int regname, int flags) return list; } - /* - * Compute length of resulting string. - */ + // Compute length of resulting string. size_t len = 0; for (size_t i = 0; i < reg->y_size; i++) { len += STRLEN(reg->y_array[i]); - /* - * Insert a newline between lines and after last line if - * y_type is kMTLineWise. - */ + // Insert a newline between lines and after last line if + // y_type is kMTLineWise. if (reg->y_type == kMTLineWise || i < reg->y_size - 1) { len++; } @@ -4980,18 +4934,14 @@ void *get_reg_contents(int regname, int flags) retval = xmalloc(len + 1); - /* - * Copy the lines of the yank register into the string. - */ + // Copy the lines of the yank register into the string. len = 0; for (size_t i = 0; i < reg->y_size; i++) { STRCPY(retval + len, reg->y_array[i]); len += STRLEN(retval + len); - /* - * Insert a NL between lines and after the last line if y_type is - * kMTLineWise. - */ + // Insert a NL between lines and after the last line if y_type is + // kMTLineWise. if (reg->y_type == kMTLineWise || i < reg->y_size - 1) { retval[len++] = '\n'; } |