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-rw-r--r--src/nvim/api/private/helpers.c62
-rw-r--r--src/nvim/api/private/helpers.h16
-rw-r--r--src/nvim/eval.c13
-rw-r--r--src/nvim/eval/typval.h2
-rw-r--r--src/nvim/ex_cmds2.c3
-rw-r--r--src/nvim/ex_eval.c4
-rw-r--r--src/nvim/ex_getln.c489
-rw-r--r--src/nvim/mbyte.c2
-rw-r--r--src/nvim/mbyte.h3
-rw-r--r--src/nvim/message.c21
-rw-r--r--src/nvim/testdir/Makefile2
11 files changed, 526 insertions, 91 deletions
diff --git a/src/nvim/api/private/helpers.c b/src/nvim/api/private/helpers.c
index 1ed2bc013e..cdaceddc11 100644
--- a/src/nvim/api/private/helpers.c
+++ b/src/nvim/api/private/helpers.c
@@ -37,6 +37,64 @@ typedef struct {
# include "api/private/ui_events_metadata.generated.h"
#endif
+/// Start block that may cause VimL exceptions while evaluating another code
+///
+/// Used when caller is supposed to be operating when other VimL code is being
+/// processed and that “other VimL code” must not be affected.
+///
+/// @param[out] tstate Location where try state should be saved.
+void try_enter(TryState *const tstate)
+{
+ *tstate = (TryState) {
+ .current_exception = current_exception,
+ .msg_list = (const struct msglist *const *)msg_list,
+ .private_msg_list = NULL,
+ .trylevel = trylevel,
+ .got_int = got_int,
+ .did_throw = did_throw,
+ .need_rethrow = need_rethrow,
+ .did_emsg = did_emsg,
+ };
+ msg_list = &tstate->private_msg_list;
+ current_exception = NULL;
+ trylevel = 1;
+ got_int = false;
+ did_throw = false;
+ need_rethrow = false;
+ did_emsg = false;
+}
+
+/// End try block, set the error message if any and restore previous state
+///
+/// @warning Return is consistent with most functions (false on error), not with
+/// try_end (true on error).
+///
+/// @param[in] tstate Previous state to restore.
+/// @param[out] err Location where error should be saved.
+///
+/// @return false if error occurred, true otherwise.
+bool try_leave(const TryState *const tstate, Error *const err)
+ FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
+{
+ const bool ret = !try_end(err);
+ assert(trylevel == 0);
+ assert(!need_rethrow);
+ assert(!got_int);
+ assert(!did_throw);
+ assert(!did_emsg);
+ assert(msg_list == &tstate->private_msg_list);
+ assert(*msg_list == NULL);
+ assert(current_exception == NULL);
+ msg_list = (struct msglist **)tstate->msg_list;
+ current_exception = tstate->current_exception;
+ trylevel = tstate->trylevel;
+ got_int = tstate->got_int;
+ did_throw = tstate->did_throw;
+ need_rethrow = tstate->need_rethrow;
+ did_emsg = tstate->did_emsg;
+ return ret;
+}
+
/// Start block that may cause vimscript exceptions
void try_start(void)
{
@@ -50,7 +108,9 @@ void try_start(void)
/// @return true if an error occurred
bool try_end(Error *err)
{
- --trylevel;
+ // Note: all globals manipulated here should be saved/restored in
+ // try_enter/try_leave.
+ trylevel--;
// Without this it stops processing all subsequent VimL commands and
// generates strange error messages if I e.g. try calling Test() in a
diff --git a/src/nvim/api/private/helpers.h b/src/nvim/api/private/helpers.h
index 159b9d5c2a..87f334ac30 100644
--- a/src/nvim/api/private/helpers.h
+++ b/src/nvim/api/private/helpers.h
@@ -6,6 +6,7 @@
#include "nvim/api/private/defs.h"
#include "nvim/vim.h"
#include "nvim/memory.h"
+#include "nvim/ex_eval.h"
#include "nvim/lib/kvec.h"
#define OBJECT_OBJ(o) o
@@ -82,6 +83,21 @@
#define api_free_window(value)
#define api_free_tabpage(value)
+/// Structure used for saving state for :try
+///
+/// Used when caller is supposed to be operating when other VimL code is being
+/// processed and that “other VimL code” must not be affected.
+typedef struct {
+ except_T *current_exception;
+ struct msglist *private_msg_list;
+ const struct msglist *const *msg_list;
+ int trylevel;
+ int got_int;
+ int did_throw;
+ int need_rethrow;
+ int did_emsg;
+} TryState;
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "api/private/helpers.h.generated.h"
#endif
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 78c8dd02db..cc48cbbc43 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -11030,6 +11030,7 @@ void get_user_input(const typval_T *const argvars,
const char *defstr = "";
const char *cancelreturn = NULL;
const char *xp_name = NULL;
+ Callback input_callback = { .type = kCallbackNone };
char prompt_buf[NUMBUFLEN];
char defstr_buf[NUMBUFLEN];
char cancelreturn_buf[NUMBUFLEN];
@@ -11039,7 +11040,7 @@ void get_user_input(const typval_T *const argvars,
emsgf(_("E5050: {opts} must be the only argument"));
return;
}
- const dict_T *const dict = argvars[0].vval.v_dict;
+ dict_T *const dict = argvars[0].vval.v_dict;
prompt = tv_dict_get_string_buf_chk(dict, S_LEN("prompt"), prompt_buf, "");
if (prompt == NULL) {
return;
@@ -11065,6 +11066,9 @@ void get_user_input(const typval_T *const argvars,
if (xp_name == def) { // default to NULL
xp_name = NULL;
}
+ if (!tv_dict_get_callback(dict, S_LEN("highlight"), &input_callback)) {
+ return;
+ }
} else {
prompt = tv_get_string_buf_chk(&argvars[0], prompt_buf);
if (prompt == NULL) {
@@ -11123,12 +11127,13 @@ void get_user_input(const typval_T *const argvars,
stuffReadbuffSpec(defstr);
- int save_ex_normal_busy = ex_normal_busy;
+ const int save_ex_normal_busy = ex_normal_busy;
ex_normal_busy = 0;
rettv->vval.v_string =
- getcmdline_prompt(inputsecret_flag ? NUL : '@', (char_u *)p, echo_attr,
- xp_type, (char_u *)xp_arg);
+ (char_u *)getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr,
+ xp_type, xp_arg, input_callback);
ex_normal_busy = save_ex_normal_busy;
+ callback_free(&input_callback);
if (rettv->vval.v_string == NULL && cancelreturn != NULL) {
rettv->vval.v_string = (char_u *)xstrdup(cancelreturn);
diff --git a/src/nvim/eval/typval.h b/src/nvim/eval/typval.h
index 3f8ed3b3f9..c44b85644d 100644
--- a/src/nvim/eval/typval.h
+++ b/src/nvim/eval/typval.h
@@ -43,7 +43,7 @@ typedef struct partial_S partial_T;
typedef struct ufunc ufunc_T;
typedef enum {
- kCallbackNone,
+ kCallbackNone = 0,
kCallbackFuncref,
kCallbackPartial,
} CallbackType;
diff --git a/src/nvim/ex_cmds2.c b/src/nvim/ex_cmds2.c
index 1a728647ca..79882973b1 100644
--- a/src/nvim/ex_cmds2.c
+++ b/src/nvim/ex_cmds2.c
@@ -189,7 +189,8 @@ void do_debug(char_u *cmd)
}
xfree(cmdline);
- cmdline = getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL);
+ cmdline = (char_u *)getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL,
+ CALLBACK_NONE);
if (typeahead_saved) {
restore_typeahead(&typeaheadbuf);
diff --git a/src/nvim/ex_eval.c b/src/nvim/ex_eval.c
index c029df2f13..9037b3c151 100644
--- a/src/nvim/ex_eval.c
+++ b/src/nvim/ex_eval.c
@@ -561,7 +561,9 @@ static void discard_exception(except_T *excp, int was_finished)
*/
void discard_current_exception(void)
{
- discard_exception(current_exception, FALSE);
+ discard_exception(current_exception, false);
+ // Note: all globals manipulated here should be saved/restored in
+ // try_enter/try_leave.
current_exception = NULL;
did_throw = FALSE;
need_rethrow = FALSE;
diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index 1d81a39dfe..4bbcf186ed 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -62,6 +62,9 @@
#include "nvim/os/os.h"
#include "nvim/event/loop.h"
#include "nvim/os/time.h"
+#include "nvim/lib/kvec.h"
+#include "nvim/api/private/helpers.h"
+#include "nvim/highlight_defs.h"
/*
* Variables shared between getcmdline(), redrawcmdline() and others.
@@ -69,23 +72,27 @@
* structure.
*/
struct cmdline_info {
- char_u *cmdbuff; /* pointer to command line buffer */
- int cmdbufflen; /* length of cmdbuff */
- int cmdlen; /* number of chars in command line */
- int cmdpos; /* current cursor position */
- int cmdspos; /* cursor column on screen */
- int cmdfirstc; /* ':', '/', '?', '=', '>' or NUL */
- int cmdindent; /* number of spaces before cmdline */
- char_u *cmdprompt; /* message in front of cmdline */
- int cmdattr; /* attributes for prompt */
- int overstrike; /* Typing mode on the command line. Shared by
- getcmdline() and put_on_cmdline(). */
- expand_T *xpc; /* struct being used for expansion, xp_pattern
- may point into cmdbuff */
- int xp_context; /* type of expansion */
- char_u *xp_arg; /* user-defined expansion arg */
- int input_fn; /* when TRUE Invoked for input() function */
+ char_u *cmdbuff; // pointer to command line buffer
+ int cmdbufflen; // length of cmdbuff
+ int cmdlen; // number of chars in command line
+ int cmdpos; // current cursor position
+ int cmdspos; // cursor column on screen
+ int cmdfirstc; // ':', '/', '?', '=', '>' or NUL
+ int cmdindent; // number of spaces before cmdline
+ char_u *cmdprompt; // message in front of cmdline
+ int cmdattr; // attributes for prompt
+ int overstrike; // Typing mode on the command line. Shared by
+ // getcmdline() and put_on_cmdline().
+ expand_T *xpc; // struct being used for expansion, xp_pattern
+ // may point into cmdbuff
+ int xp_context; // type of expansion
+ char_u *xp_arg; // user-defined expansion arg
+ int input_fn; // when TRUE Invoked for input() function
+ unsigned prompt_id; ///< Prompt number, used to disable coloring on errors.
+ Callback highlight_callback; ///< Callback used for coloring user input.
};
+/// Last value of prompt_id, incremented when doing new prompt
+static unsigned last_prompt_id = 0;
typedef struct command_line_state {
VimState state;
@@ -135,6 +142,38 @@ typedef struct command_line_state {
struct cmdline_info save_ccline;
} CommandLineState;
+/// Command-line colors: one chunk
+///
+/// Defines a region which has the same highlighting.
+typedef struct {
+ int start; ///< Colored chunk start.
+ int end; ///< Colored chunk end (exclusive, > start).
+ int attr; ///< Highlight attr.
+} CmdlineColorChunk;
+
+/// Command-line colors
+///
+/// Holds data about all colors.
+typedef kvec_t(CmdlineColorChunk) CmdlineColors;
+
+/// Command-line coloring
+///
+/// Holds both what are the colors and what have been colored. Latter is used to
+/// suppress unnecessary calls to coloring callbacks.
+typedef struct {
+ unsigned prompt_id; ///< ID of the prompt which was colored last.
+ char *cmdbuff; ///< What exactly was colored last time or NULL.
+ CmdlineColors colors; ///< Last colors.
+} ColoredCmdline;
+
+/// Last command-line colors.
+ColoredCmdline last_ccline_colors = {
+ .cmdbuff = NULL,
+ .colors = KV_INITIAL_VALUE
+};
+
+typedef struct cmdline_info CmdlineInfo;
+
/* The current cmdline_info. It is initialized in getcmdline() and after that
* used by other functions. When invoking getcmdline() recursively it needs
* to be saved with save_cmdline() and restored with restore_cmdline().
@@ -156,6 +195,12 @@ static int hisnum[HIST_COUNT] = {0, 0, 0, 0, 0};
/* identifying (unique) number of newest history entry */
static int hislen = 0; /* actual length of history tables */
+/// Flag for command_line_handle_key to ignore <C-c>
+///
+/// Used if it was received while processing highlight function in order for
+/// user interrupting highlight function to not interrupt command-line.
+static bool getln_interrupted_highlight = false;
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "ex_getln.c.generated.h"
@@ -192,6 +237,7 @@ static uint8_t *command_line_enter(int firstc, long count, int indent)
cmd_hkmap = 0;
}
+ ccline.prompt_id = last_prompt_id++;
ccline.overstrike = false; // always start in insert mode
clearpos(&s->match_end);
s->save_cursor = curwin->w_cursor; // may be restored later
@@ -1158,8 +1204,11 @@ static int command_line_handle_key(CommandLineState *s)
case ESC: // get here if p_wc != ESC or when ESC typed twice
case Ctrl_C:
// In exmode it doesn't make sense to return. Except when
- // ":normal" runs out of characters.
- if (exmode_active && (ex_normal_busy == 0 || typebuf.tb_len > 0)) {
+ // ":normal" runs out of characters. Also when highlight callback is active
+ // <C-c> should interrupt only it.
+ if ((exmode_active && (ex_normal_busy == 0 || typebuf.tb_len > 0))
+ || (getln_interrupted_highlight && s->c == Ctrl_C)) {
+ getln_interrupted_highlight = false;
return command_line_not_changed(s);
}
@@ -1787,41 +1836,50 @@ getcmdline (
return command_line_enter(firstc, count, indent);
}
-/*
- * Get a command line with a prompt.
- * This is prepared to be called recursively from getcmdline() (e.g. by
- * f_input() when evaluating an expression from CTRL-R =).
- * Returns the command line in allocated memory, or NULL.
- */
-char_u *
-getcmdline_prompt (
- int firstc,
- char_u *prompt, /* command line prompt */
- int attr, /* attributes for prompt */
- int xp_context, /* type of expansion */
- char_u *xp_arg /* user-defined expansion argument */
-)
+/// Get a command line with a prompt
+///
+/// This is prepared to be called recursively from getcmdline() (e.g. by
+/// f_input() when evaluating an expression from `<C-r>=`).
+///
+/// @param[in] firstc Prompt type: e.g. '@' for input(), '>' for debug.
+/// @param[in] prompt Prompt string: what is displayed before the user text.
+/// @param[in] attr Prompt highlighting.
+/// @param[in] xp_context Type of expansion.
+/// @param[in] xp_arg User-defined expansion argument.
+/// @param[in] highlight_callback Callback used for highlighting user input.
+///
+/// @return [allocated] Command line or NULL.
+char *getcmdline_prompt(const char firstc, const char *const prompt,
+ const int attr, const int xp_context,
+ const char *const xp_arg,
+ const Callback highlight_callback)
+ FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_MALLOC
{
- char_u *s;
- struct cmdline_info save_ccline;
- int msg_col_save = msg_col;
+ const int msg_col_save = msg_col;
+ struct cmdline_info save_ccline;
save_cmdline(&save_ccline);
- ccline.cmdprompt = prompt;
+
+ ccline.prompt_id = last_prompt_id++;
+ ccline.cmdprompt = (char_u *)prompt;
ccline.cmdattr = attr;
ccline.xp_context = xp_context;
- ccline.xp_arg = xp_arg;
+ ccline.xp_arg = (char_u *)xp_arg;
ccline.input_fn = (firstc == '@');
- s = getcmdline(firstc, 1L, 0);
+ ccline.highlight_callback = highlight_callback;
+
+ char *const ret = (char *)getcmdline(firstc, 1L, 0);
+
restore_cmdline(&save_ccline);
- /* Restore msg_col, the prompt from input() may have changed it.
- * But only if called recursively and the commandline is therefore being
- * restored to an old one; if not, the input() prompt stays on the screen,
- * so we need its modified msg_col left intact. */
- if (ccline.cmdbuff != NULL)
+ // Restore msg_col, the prompt from input() may have changed it.
+ // But only if called recursively and the commandline is therefore being
+ // restored to an old one; if not, the input() prompt stays on the screen,
+ // so we need its modified msg_col left intact.
+ if (ccline.cmdbuff != NULL) {
msg_col = msg_col_save;
+ }
- return s;
+ return ret;
}
/*
@@ -2282,75 +2340,329 @@ void free_cmdline_buf(void)
# endif
+enum { MAX_CB_ERRORS = 1 };
+
+/// Color command-line
+///
+/// Should use built-in command parser or user-specified one. Currently only the
+/// latter is supported.
+///
+/// @param[in] colored_ccline Command-line to color.
+/// @param[out] ret_ccline_colors What should be colored. Also holds a cache:
+/// if ->prompt_id and ->cmdbuff values happen
+/// to be equal to those from colored_cmdline it
+/// will just do nothing, assuming that ->colors
+/// already contains needed data.
+///
+/// Always colors the whole cmdline.
+///
+/// @return true if draw_cmdline may proceed, false if it does not need anything
+/// to do.
+static bool color_cmdline(const CmdlineInfo *const colored_ccline,
+ ColoredCmdline *const ret_ccline_colors)
+ FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
+{
+ bool printed_errmsg = false;
+#define PRINT_ERRMSG(...) \
+ do { \
+ msg_putchar('\n'); \
+ msg_printf_attr(hl_attr(HLF_E)|MSG_HIST, __VA_ARGS__); \
+ printed_errmsg = true; \
+ } while (0)
+ bool ret = true;
+
+ // Check whether result of the previous call is still valid.
+ if (ret_ccline_colors->prompt_id == colored_ccline->prompt_id
+ && ret_ccline_colors->cmdbuff != NULL
+ && STRCMP(ret_ccline_colors->cmdbuff, colored_ccline->cmdbuff) == 0) {
+ return ret;
+ }
+
+ kv_size(ret_ccline_colors->colors) = 0;
+
+ if (colored_ccline->cmdbuff == NULL || *colored_ccline->cmdbuff == NUL) {
+ // Nothing to do, exiting.
+ xfree(ret_ccline_colors->cmdbuff);
+ ret_ccline_colors->cmdbuff = NULL;
+ return ret;
+ }
+
+ bool arg_allocated = false;
+ typval_T arg = {
+ .v_type = VAR_STRING,
+ .vval.v_string = colored_ccline->cmdbuff,
+ };
+ typval_T tv = { .v_type = VAR_UNKNOWN };
+
+ static unsigned prev_prompt_id = UINT_MAX;
+ static int prev_prompt_errors = 0;
+ Callback color_cb = { .type = kCallbackNone };
+ bool can_free_cb = false;
+ TryState tstate;
+ Error err = ERROR_INIT;
+ const char *err_errmsg = (const char *)e_intern2;
+ bool dgc_ret = true;
+ bool tl_ret = true;
+
+ if (colored_ccline->prompt_id != prev_prompt_id) {
+ prev_prompt_errors = 0;
+ prev_prompt_id = colored_ccline->prompt_id;
+ } else if (prev_prompt_errors >= MAX_CB_ERRORS) {
+ goto color_cmdline_end;
+ }
+ if (colored_ccline->highlight_callback.type != kCallbackNone) {
+ // Currently this should only happen while processing input() prompts.
+ assert(colored_ccline->input_fn);
+ color_cb = colored_ccline->highlight_callback;
+ } else if (colored_ccline->cmdfirstc == ':') {
+ try_enter(&tstate);
+ err_errmsg = N_(
+ "E5408: Unable to get Nvim_color_cmdline callback from g:: %s");
+ dgc_ret = tv_dict_get_callback(&globvardict, S_LEN("Nvim_color_cmdline"),
+ &color_cb);
+ tl_ret = try_leave(&tstate, &err);
+ can_free_cb = true;
+ } else if (colored_ccline->cmdfirstc == '=') {
+ try_enter(&tstate);
+ err_errmsg = N_(
+ "E5409: Unable to get Nvim_color_expr callback from g:: %s");
+ dgc_ret = tv_dict_get_callback(&globvardict, S_LEN("Nvim_color_expr"),
+ &color_cb);
+ tl_ret = try_leave(&tstate, &err);
+ can_free_cb = true;
+ }
+ if (!tl_ret || !dgc_ret) {
+ goto color_cmdline_error;
+ }
+
+ if (color_cb.type == kCallbackNone) {
+ goto color_cmdline_end;
+ }
+ if (colored_ccline->cmdbuff[colored_ccline->cmdlen] != NUL) {
+ arg_allocated = true;
+ arg.vval.v_string = xmemdupz((const char *)colored_ccline->cmdbuff,
+ (size_t)colored_ccline->cmdlen);
+ }
+ // msg_start() called by e.g. :echo may shift command-line to the first column
+ // even though msg_silent is here. Two ways to workaround this problem without
+ // altering message.c: use full_screen or save and restore msg_col.
+ //
+ // Saving and restoring full_screen does not work well with :redraw!. Saving
+ // and restoring msg_col is neither ideal, but while with full_screen it
+ // appears shifted one character to the right and cursor position is no longer
+ // correct, with msg_col it just misses leading `:`. Since `redraw!` in
+ // callback lags this is least of the user problems.
+ //
+ // Also using try_enter() because error messages may overwrite typed
+ // command-line which is not expected.
+ getln_interrupted_highlight = false;
+ try_enter(&tstate);
+ err_errmsg = N_("E5407: Callback has thrown an exception: %s");
+ const int saved_msg_col = msg_col;
+ msg_silent++;
+ const bool cbcall_ret = callback_call(&color_cb, 1, &arg, &tv);
+ msg_silent--;
+ msg_col = saved_msg_col;
+ if (got_int) {
+ getln_interrupted_highlight = true;
+ }
+ if (!try_leave(&tstate, &err) || !cbcall_ret) {
+ goto color_cmdline_error;
+ }
+ if (tv.v_type != VAR_LIST) {
+ PRINT_ERRMSG(_("E5400: Callback should return list"));
+ goto color_cmdline_error;
+ }
+ if (tv.vval.v_list == NULL) {
+ goto color_cmdline_end;
+ }
+ varnumber_T prev_end = 0;
+ int i = 0;
+ for (const listitem_T *li = tv.vval.v_list->lv_first;
+ li != NULL; li = li->li_next, i++) {
+ if (li->li_tv.v_type != VAR_LIST) {
+ PRINT_ERRMSG(_("E5401: List item %i is not a List"), i);
+ goto color_cmdline_error;
+ }
+ const list_T *const l = li->li_tv.vval.v_list;
+ if (tv_list_len(l) != 3) {
+ PRINT_ERRMSG(_("E5402: List item %i has incorrect length: %li /= 3"),
+ i, tv_list_len(l));
+ goto color_cmdline_error;
+ }
+ bool error = false;
+ const varnumber_T start = tv_get_number_chk(&l->lv_first->li_tv, &error);
+ if (error) {
+ goto color_cmdline_error;
+ } else if (!(prev_end <= start && start < colored_ccline->cmdlen)) {
+ PRINT_ERRMSG(_("E5403: Chunk %i start %" PRIdVARNUMBER " not in range "
+ "[%" PRIdVARNUMBER ", %i)"),
+ i, start, prev_end, colored_ccline->cmdlen);
+ goto color_cmdline_error;
+ } else if (utf8len_tab_zero[(uint8_t)colored_ccline->cmdbuff[start]] == 0) {
+ PRINT_ERRMSG(_("E5405: Chunk %i start %" PRIdVARNUMBER " splits "
+ "multibyte character"), i, start);
+ goto color_cmdline_error;
+ }
+ if (start != prev_end) {
+ kv_push(ret_ccline_colors->colors, ((CmdlineColorChunk) {
+ .start = prev_end,
+ .end = start,
+ .attr = 0,
+ }));
+ }
+ const varnumber_T end = tv_get_number_chk(&l->lv_first->li_next->li_tv,
+ &error);
+ if (error) {
+ goto color_cmdline_error;
+ } else if (!(start < end && end <= colored_ccline->cmdlen)) {
+ PRINT_ERRMSG(_("E5404: Chunk %i end %" PRIdVARNUMBER " not in range "
+ "(%" PRIdVARNUMBER ", %i]"),
+ i, end, start, colored_ccline->cmdlen);
+ goto color_cmdline_error;
+ } else if (end < colored_ccline->cmdlen
+ && (utf8len_tab_zero[(uint8_t)colored_ccline->cmdbuff[end]]
+ == 0)) {
+ PRINT_ERRMSG(_("E5406: Chunk %i end %" PRIdVARNUMBER " splits multibyte "
+ "character"), i, end);
+ goto color_cmdline_error;
+ }
+ prev_end = end;
+ const char *const group = tv_get_string_chk(&l->lv_last->li_tv);
+ if (group == NULL) {
+ goto color_cmdline_error;
+ }
+ const int id = syn_name2id((char_u *)group);
+ const int attr = (id == 0 ? 0 : syn_id2attr(id));
+ kv_push(ret_ccline_colors->colors, ((CmdlineColorChunk) {
+ .start = start,
+ .end = end,
+ .attr = attr,
+ }));
+ }
+ if (prev_end < colored_ccline->cmdlen) {
+ kv_push(ret_ccline_colors->colors, ((CmdlineColorChunk) {
+ .start = prev_end,
+ .end = colored_ccline->cmdlen,
+ .attr = 0,
+ }));
+ }
+ prev_prompt_errors = 0;
+color_cmdline_end:
+ assert(!ERROR_SET(&err));
+ if (can_free_cb) {
+ callback_free(&color_cb);
+ }
+ xfree(ret_ccline_colors->cmdbuff);
+ // Note: errors “output” is cached just as well as regular results.
+ ret_ccline_colors->prompt_id = colored_ccline->prompt_id;
+ if (arg_allocated) {
+ ret_ccline_colors->cmdbuff = (char *)arg.vval.v_string;
+ } else {
+ ret_ccline_colors->cmdbuff = xmemdupz((const char *)colored_ccline->cmdbuff,
+ (size_t)colored_ccline->cmdlen);
+ }
+ tv_clear(&tv);
+ return ret;
+color_cmdline_error:
+ if (ERROR_SET(&err)) {
+ PRINT_ERRMSG(_(err_errmsg), err.msg);
+ api_clear_error(&err);
+ }
+ assert(printed_errmsg);
+ (void)printed_errmsg;
+
+ prev_prompt_errors++;
+ kv_size(ret_ccline_colors->colors) = 0;
+ redrawcmdline();
+ ret = false;
+ goto color_cmdline_end;
+#undef PRINT_ERRMSG
+}
+
/*
* Draw part of the cmdline at the current cursor position. But draw stars
* when cmdline_star is TRUE.
*/
static void draw_cmdline(int start, int len)
{
- int i;
+ if (!color_cmdline(&ccline, &last_ccline_colors)) {
+ return;
+ }
- if (cmdline_star > 0)
- for (i = 0; i < len; ++i) {
+ if (cmdline_star > 0) {
+ for (int i = 0; i < len; i++) {
msg_putchar('*');
- if (has_mbyte)
+ if (has_mbyte) {
i += (*mb_ptr2len)(ccline.cmdbuff + start + i) - 1;
+ }
}
- else if (p_arshape && !p_tbidi && enc_utf8 && len > 0) {
- static int buflen = 0;
- char_u *p;
- int j;
- int newlen = 0;
+ } else if (p_arshape && !p_tbidi && enc_utf8 && len > 0) {
+ bool do_arabicshape = false;
int mb_l;
- int pc, pc1 = 0;
- int prev_c = 0;
- int prev_c1 = 0;
- int u8c;
- int u8cc[MAX_MCO];
- int nc = 0;
+ for (int i = start; i < start + len; i += mb_l) {
+ char_u *p = ccline.cmdbuff + i;
+ int u8cc[MAX_MCO];
+ int u8c = utfc_ptr2char_len(p, u8cc, start + len - i);
+ mb_l = utfc_ptr2len_len(p, start + len - i);
+ if (arabic_char(u8c)) {
+ do_arabicshape = true;
+ break;
+ }
+ }
+ if (!do_arabicshape) {
+ goto draw_cmdline_no_arabicshape;
+ }
- /*
- * Do arabic shaping into a temporary buffer. This is very
- * inefficient!
- */
+ static int buflen = 0;
+
+ // Do arabic shaping into a temporary buffer. This is very
+ // inefficient!
if (len * 2 + 2 > buflen) {
- /* Re-allocate the buffer. We keep it around to avoid a lot of
- * alloc()/free() calls. */
+ // Re-allocate the buffer. We keep it around to avoid a lot of
+ // alloc()/free() calls.
xfree(arshape_buf);
buflen = len * 2 + 2;
arshape_buf = xmalloc(buflen);
}
+ int newlen = 0;
if (utf_iscomposing(utf_ptr2char(ccline.cmdbuff + start))) {
- /* Prepend a space to draw the leading composing char on. */
+ // Prepend a space to draw the leading composing char on.
arshape_buf[0] = ' ';
newlen = 1;
}
- for (j = start; j < start + len; j += mb_l) {
- p = ccline.cmdbuff + j;
- u8c = utfc_ptr2char_len(p, u8cc, start + len - j);
- mb_l = utfc_ptr2len_len(p, start + len - j);
+ int prev_c = 0;
+ int prev_c1 = 0;
+ for (int i = start; i < start + len; i += mb_l) {
+ char_u *p = ccline.cmdbuff + i;
+ int u8cc[MAX_MCO];
+ int u8c = utfc_ptr2char_len(p, u8cc, start + len - i);
+ mb_l = utfc_ptr2len_len(p, start + len - i);
if (arabic_char(u8c)) {
- /* Do Arabic shaping. */
+ int pc;
+ int pc1 = 0;
+ int nc = 0;
+ // Do Arabic shaping.
if (cmdmsg_rl) {
- /* displaying from right to left */
+ // Displaying from right to left.
pc = prev_c;
pc1 = prev_c1;
prev_c1 = u8cc[0];
- if (j + mb_l >= start + len)
+ if (i + mb_l >= start + len) {
nc = NUL;
- else
+ } else {
nc = utf_ptr2char(p + mb_l);
+ }
} else {
- /* displaying from left to right */
- if (j + mb_l >= start + len)
+ // Displaying from left to right.
+ if (i + mb_l >= start + len) {
pc = NUL;
- else {
+ } else {
int pcc[MAX_MCO];
- pc = utfc_ptr2char_len(p + mb_l, pcc,
- start + len - j - mb_l);
+ pc = utfc_ptr2char_len(p + mb_l, pcc, start + len - i - mb_l);
pc1 = pcc[0];
}
nc = prev_c;
@@ -2374,8 +2686,23 @@ static void draw_cmdline(int start, int len)
}
msg_outtrans_len(arshape_buf, newlen);
- } else
- msg_outtrans_len(ccline.cmdbuff + start, len);
+ } else {
+draw_cmdline_no_arabicshape:
+ if (kv_size(last_ccline_colors.colors)) {
+ for (size_t i = 0; i < kv_size(last_ccline_colors.colors); i++) {
+ CmdlineColorChunk chunk = kv_A(last_ccline_colors.colors, i);
+ if (chunk.end <= start) {
+ continue;
+ }
+ const int chunk_start = MAX(chunk.start, start);
+ msg_outtrans_len_attr(ccline.cmdbuff + chunk_start,
+ chunk.end - chunk_start,
+ chunk.attr);
+ }
+ } else {
+ msg_outtrans_len(ccline.cmdbuff + start, len);
+ }
+ }
}
/*
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c
index 3fad6c789d..b24770a409 100644
--- a/src/nvim/mbyte.c
+++ b/src/nvim/mbyte.c
@@ -75,7 +75,7 @@ struct interval {
/*
* Like utf8len_tab above, but using a zero for illegal lead bytes.
*/
-static uint8_t utf8len_tab_zero[256] =
+const uint8_t utf8len_tab_zero[256] =
{
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
diff --git a/src/nvim/mbyte.h b/src/nvim/mbyte.h
index ad9e38004c..02c6065672 100644
--- a/src/nvim/mbyte.h
+++ b/src/nvim/mbyte.h
@@ -1,6 +1,7 @@
#ifndef NVIM_MBYTE_H
#define NVIM_MBYTE_H
+#include <stdint.h>
#include <stdbool.h>
#include <string.h>
@@ -67,6 +68,8 @@ typedef struct {
///< otherwise use '?'.
} vimconv_T;
+extern const uint8_t utf8len_tab_zero[256];
+
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "mbyte.h.generated.h"
#endif
diff --git a/src/nvim/message.c b/src/nvim/message.c
index 36f9ca84ed..fd7043cea8 100644
--- a/src/nvim/message.c
+++ b/src/nvim/message.c
@@ -1628,6 +1628,27 @@ void msg_puts_attr_len(const char *const str, const ptrdiff_t len, int attr)
}
}
+/// Print a formatted message
+///
+/// Message printed is limited by #IOSIZE. Must not be used from inside
+/// msg_puts_attr().
+///
+/// @param[in] attr Highlight attributes.
+/// @param[in] fmt Format string.
+void msg_printf_attr(const int attr, const char *const fmt, ...)
+ FUNC_ATTR_NONNULL_ARG(2)
+{
+ static char msgbuf[IOSIZE];
+
+ va_list ap;
+ va_start(ap, fmt);
+ const size_t len = vim_vsnprintf(msgbuf, sizeof(msgbuf), fmt, ap, NULL);
+ va_end(ap);
+
+ msg_scroll = true;
+ msg_puts_attr_len(msgbuf, (ptrdiff_t)len, attr);
+}
+
/*
* The display part of msg_puts_attr_len().
* May be called recursively to display scroll-back text.
diff --git a/src/nvim/testdir/Makefile b/src/nvim/testdir/Makefile
index b45bd6ee14..4449a0bc80 100644
--- a/src/nvim/testdir/Makefile
+++ b/src/nvim/testdir/Makefile
@@ -201,7 +201,7 @@ nolog:
# New style of tests uses Vim script with assert calls. These are easier
# to write and a lot easier to read and debug.
# Limitation: Only works with the +eval feature.
-RUN_VIMTEST = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(VALGRIND) $(NVIM_PRG) -u unix.vim -U NONE --headless --noplugin
+RUN_VIMTEST = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(TOOL) $(NVIM_PRG) -u unix.vim -U NONE --headless --noplugin
newtests: newtestssilent
@/bin/sh -c "if test -f messages && grep -q 'FAILED' messages; then \
generated by cgit (git 2.34.1) at 2025-05-28 20:19:21 +0000