diff options
Diffstat (limited to 'src/nvim/eval.c')
-rw-r--r-- | src/nvim/eval.c | 304 |
1 files changed, 244 insertions, 60 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c index 86384bc5b2..d95b9560c2 100644 --- a/src/nvim/eval.c +++ b/src/nvim/eval.c @@ -6,6 +6,7 @@ */ #include <math.h> +#include <stdlib.h> #include "auto/config.h" @@ -69,6 +70,7 @@ static char *e_nowhitespace static char *e_invalwindow = N_("E957: Invalid window number"); static char *e_lock_unlock = N_("E940: Cannot lock or unlock variable %s"); static char *e_write2 = N_("E80: Error while writing: %s"); +static char *e_string_list_or_blob_required = N_("E1098: String, List or Blob required"); // TODO(ZyX-I): move to eval/executor static char *e_letwrong = N_("E734: Wrong variable type for %s="); @@ -112,9 +114,11 @@ typedef struct { int fi_semicolon; // TRUE if ending in '; var]' int fi_varcount; // nr of variables in the list listwatch_T fi_lw; // keep an eye on the item used. - list_T *fi_list; // list being used + list_T *fi_list; // list being used int fi_bi; // index of blob blob_T *fi_blob; // blob being used + char_u *fi_string; // copy of string being used + int fi_byte_idx; // byte index in fi_string } forinfo_T; // values for vv_flags: @@ -763,6 +767,15 @@ static int eval1_emsg(char_u **arg, typval_T *rettv, bool evaluate) return ret; } +/// @return whether a typval is a valid expression to pass to eval_expr_typval() +/// or eval_expr_to_bool(). An empty string returns false; +bool eval_expr_valid_arg(const typval_T *const tv) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_CONST +{ + return tv->v_type != VAR_UNKNOWN + && (tv->v_type != VAR_STRING || (tv->vval.v_string != NULL && *tv->vval.v_string != NUL)); +} + int eval_expr_typval(const typval_T *expr, typval_T *argv, int argc, typval_T *rettv) FUNC_ATTR_NONNULL_ARG(1, 2, 4) { @@ -2641,8 +2654,15 @@ void *eval_for_line(const char_u *arg, bool *errp, char_u **nextcmdp, int skip) fi->fi_blob = btv.vval.v_blob; } tv_clear(&tv); + } else if (tv.v_type == VAR_STRING) { + fi->fi_byte_idx = 0; + fi->fi_string = tv.vval.v_string; + tv.vval.v_string = NULL; + if (fi->fi_string == NULL) { + fi->fi_string = vim_strsave((char_u *)""); + } } else { - emsg(_(e_listblobreq)); + emsg(_(e_string_list_or_blob_required)); tv_clear(&tv); } } @@ -2679,6 +2699,22 @@ bool next_for_item(void *fi_void, char_u *arg) fi->fi_semicolon, fi->fi_varcount, false, NULL) == OK; } + if (fi->fi_string != NULL) { + const int len = utfc_ptr2len(fi->fi_string + fi->fi_byte_idx); + if (len == 0) { + return false; + } + typval_T tv; + tv.v_type = VAR_STRING; + tv.v_lock = VAR_FIXED; + tv.vval.v_string = vim_strnsave(fi->fi_string + fi->fi_byte_idx, len); + fi->fi_byte_idx += len; + const int result + = ex_let_vars(arg, &tv, true, fi->fi_semicolon, fi->fi_varcount, false, NULL) == OK; + xfree(tv.vval.v_string); + return result; + } + listitem_T *item = fi->fi_lw.lw_item; if (item == NULL) { return false; @@ -2698,12 +2734,16 @@ void free_for_info(void *fi_void) { forinfo_T *fi = (forinfo_T *)fi_void; - if (fi != NULL && fi->fi_list != NULL) { + if (fi == NULL) { + return; + } + if (fi->fi_list != NULL) { tv_list_watch_remove(fi->fi_list, &fi->fi_lw); tv_list_unref(fi->fi_list); - } - if (fi != NULL && fi->fi_blob != NULL) { + } else if (fi->fi_blob != NULL) { tv_blob_unref(fi->fi_blob); + } else { + xfree(fi->fi_string); } xfree(fi); } @@ -3218,9 +3258,8 @@ char_u *get_user_var_name(expand_T *xp, int idx) // b: variables // In cmdwin, the alternative buffer should be used. - hashtab_T *ht = (cmdwin_type != 0 && get_cmdline_type() == NUL) - ? &prevwin->w_buffer->b_vars->dv_hashtab - : &curbuf->b_vars->dv_hashtab; + hashtab_T *ht + = is_in_cmdwin() ? &prevwin->w_buffer->b_vars->dv_hashtab : &curbuf->b_vars->dv_hashtab; if (bdone < ht->ht_used) { if (bdone++ == 0) { hi = ht->ht_array; @@ -3235,9 +3274,7 @@ char_u *get_user_var_name(expand_T *xp, int idx) // w: variables // In cmdwin, the alternative window should be used. - ht = (cmdwin_type != 0 && get_cmdline_type() == NUL) - ? &prevwin->w_vars->dv_hashtab - : &curwin->w_vars->dv_hashtab; + ht = is_in_cmdwin() ? &prevwin->w_vars->dv_hashtab : &curwin->w_vars->dv_hashtab; if (wdone < ht->ht_used) { if (wdone++ == 0) { hi = ht->ht_array; @@ -4402,7 +4439,7 @@ static int eval_lambda(char_u **const arg, typval_T *const rettv, const bool eva rettv->v_type = VAR_UNKNOWN; int ret = get_lambda_tv(arg, rettv, evaluate); - if (ret == NOTDONE) { + if (ret != OK) { return FAIL; } else if (**arg != '(') { if (verbose) { @@ -6468,6 +6505,10 @@ void filter_map(typval_T *argvars, typval_T *rettv, int map) if (argvars[0].v_type == VAR_DICT) { vimvars[VV_KEY].vv_type = VAR_STRING; + const VarLockStatus prev_lock = d->dv_lock; + if (map && d->dv_lock == VAR_UNLOCKED) { + d->dv_lock = VAR_LOCKED; + } ht = &d->dv_hashtab; hash_lock(ht); todo = (int)ht->ht_used; @@ -6498,6 +6539,7 @@ void filter_map(typval_T *argvars, typval_T *rettv, int map) } } hash_unlock(ht); + d->dv_lock = prev_lock; } else if (argvars[0].v_type == VAR_BLOB) { vimvars[VV_KEY].vv_type = VAR_NUMBER; @@ -6530,6 +6572,10 @@ void filter_map(typval_T *argvars, typval_T *rettv, int map) assert(argvars[0].v_type == VAR_LIST); vimvars[VV_KEY].vv_type = VAR_NUMBER; + const VarLockStatus prev_lock = tv_list_locked(l); + if (map && tv_list_locked(l) == VAR_UNLOCKED) { + tv_list_set_lock(l, VAR_LOCKED); + } for (listitem_T *li = tv_list_first(l); li != NULL;) { if (map && var_check_lock(TV_LIST_ITEM_TV(li)->v_lock, arg_errmsg, @@ -6548,6 +6594,7 @@ void filter_map(typval_T *argvars, typval_T *rettv, int map) } idx++; } + tv_list_set_lock(l, prev_lock); } restore_vimvar(VV_KEY, &save_key); @@ -6956,10 +7003,9 @@ win_T *find_tabwin(typval_T *wvp, typval_T *tvp) /// @param off 1 for gettabwinvar() void getwinvar(typval_T *argvars, typval_T *rettv, int off) { - win_T *win, *oldcurwin; + win_T *win; dictitem_T *v; tabpage_T *tp = NULL; - tabpage_T *oldtabpage = NULL; bool done = false; if (off == 1) { @@ -6979,8 +7025,8 @@ void getwinvar(typval_T *argvars, typval_T *rettv, int off) // otherwise the window is not valid. Only do this when needed, // autocommands get blocked. bool need_switch_win = tp != curtab || win != curwin; - if (!need_switch_win - || switch_win(&oldcurwin, &oldtabpage, win, tp, true) == OK) { + switchwin_T switchwin; + if (!need_switch_win || switch_win(&switchwin, win, tp, true) == OK) { if (*varname == '&') { if (varname[1] == NUL) { // get all window-local options in a dict @@ -7008,7 +7054,7 @@ void getwinvar(typval_T *argvars, typval_T *rettv, int off) if (need_switch_win) { // restore previous notion of curwin - restore_win(oldcurwin, oldtabpage, true); + restore_win(&switchwin, true); } } emsg_off--; @@ -7299,12 +7345,19 @@ void mapblock_fill_dict(dict_T *const dict, const mapblock_T *const mp, long buf noremap_value = mp->m_noremap == REMAP_SCRIPT ? 2 : !!mp->m_noremap; } - if (compatible) { - tv_dict_add_str(dict, S_LEN("rhs"), (const char *)mp->m_orig_str); + if (mp->m_luaref != LUA_NOREF) { + tv_dict_add_nr(dict, S_LEN("callback"), mp->m_luaref); } else { - tv_dict_add_allocated_str(dict, S_LEN("rhs"), - str2special_save((const char *)mp->m_str, false, - true)); + if (compatible) { + tv_dict_add_str(dict, S_LEN("rhs"), (const char *)mp->m_orig_str); + } else { + tv_dict_add_allocated_str(dict, S_LEN("rhs"), + str2special_save((const char *)mp->m_str, false, + true)); + } + } + if (mp->m_desc != NULL) { + tv_dict_add_allocated_str(dict, S_LEN("desc"), xstrdup(mp->m_desc)); } tv_dict_add_allocated_str(dict, S_LEN("lhs"), lhs); tv_dict_add_nr(dict, S_LEN("noremap"), noremap_value); @@ -7503,11 +7556,9 @@ void setwinvar(typval_T *argvars, typval_T *rettv, int off) typval_T *varp = &argvars[off + 2]; if (win != NULL && varname != NULL && varp != NULL) { - win_T *save_curwin; - tabpage_T *save_curtab; bool need_switch_win = tp != curtab || win != curwin; - if (!need_switch_win - || switch_win(&save_curwin, &save_curtab, win, tp, true) == OK) { + switchwin_T switchwin; + if (!need_switch_win || switch_win(&switchwin, win, tp, true) == OK) { if (*varname == '&') { long numval; bool error = false; @@ -7529,7 +7580,7 @@ void setwinvar(typval_T *argvars, typval_T *rettv, int off) } } if (need_switch_win) { - restore_win(save_curwin, save_curtab, true); + restore_win(&switchwin, true); } } } @@ -7696,6 +7747,7 @@ bool callback_from_typval(Callback *const callback, typval_T *const arg) callback->type = kCallbackFuncref; } } else if (nlua_is_table_from_lua(arg)) { + // TODO(tjdvries): UnifiedCallback char_u *name = nlua_register_table_as_callable(arg); if (name != NULL) { @@ -7725,6 +7777,7 @@ bool callback_call(Callback *const callback, const int argcount_in, typval_T *co { partial_T *partial; char_u *name; + Array args = ARRAY_DICT_INIT; switch (callback->type) { case kCallbackFuncref: name = callback->data.funcref; @@ -7736,6 +7789,13 @@ bool callback_call(Callback *const callback, const int argcount_in, typval_T *co name = partial_name(partial); break; + case kCallbackLua: + ILOG(" We tryin to call dat dang lua ref "); + nlua_call_ref(callback->data.luaref, "aucmd", args, false, NULL); + + return false; + break; + case kCallbackNone: return false; break; @@ -8140,6 +8200,66 @@ char *save_tv_as_string(typval_T *tv, ptrdiff_t *const len, bool endnl) return ret; } +/// Convert the specified byte index of line 'lnum' in buffer 'buf' to a +/// character index. Works only for loaded buffers. Returns -1 on failure. +/// The index of the first byte and the first character is zero. +int buf_byteidx_to_charidx(buf_T *buf, int lnum, int byteidx) +{ + if (buf == NULL || buf->b_ml.ml_mfp == NULL) { + return -1; + } + + if (lnum > buf->b_ml.ml_line_count) { + lnum = buf->b_ml.ml_line_count; + } + + char_u *str = ml_get_buf(buf, lnum, false); + + if (*str == NUL) { + return 0; + } + + // count the number of characters + char_u *t = str; + int count; + for (count = 0; *t != NUL && t <= str + byteidx; count++) { + t += utfc_ptr2len(t); + } + + // In insert mode, when the cursor is at the end of a non-empty line, + // byteidx points to the NUL character immediately past the end of the + // string. In this case, add one to the character count. + if (*t == NUL && byteidx != 0 && t == str + byteidx) { + count++; + } + + return count - 1; +} + +/// Convert the specified character index of line 'lnum' in buffer 'buf' to a +/// byte index. Works only for loaded buffers. Returns -1 on failure. +/// The index of the first byte and the first character is zero. +int buf_charidx_to_byteidx(buf_T *buf, int lnum, int charidx) +{ + if (buf == NULL || buf->b_ml.ml_mfp == NULL) { + return -1; + } + + if (lnum > buf->b_ml.ml_line_count) { + lnum = buf->b_ml.ml_line_count; + } + + char_u *str = ml_get_buf(buf, lnum, false); + + // Convert the character offset to a byte offset + char_u *t = str; + while (*t != NUL && --charidx > 0) { + t += utfc_ptr2len(t); + } + + return t - str; +} + /// Translate a VimL object into a position /// /// Accepts VAR_LIST and VAR_STRING objects. Does not give an error for invalid @@ -8148,9 +8268,11 @@ char *save_tv_as_string(typval_T *tv, ptrdiff_t *const len, bool endnl) /// @param[in] tv Object to translate. /// @param[in] dollar_lnum True when "$" is last line. /// @param[out] ret_fnum Set to fnum for marks. +/// @param[in] charcol True to return character column. /// /// @return Pointer to position or NULL in case of error (e.g. invalid type). -pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret_fnum) +pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret_fnum, + const bool charcol) FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL { static pos_T pos; @@ -8180,7 +8302,11 @@ pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret if (error) { return NULL; } - len = (long)STRLEN(ml_get(pos.lnum)); + if (charcol) { + len = mb_charlen(ml_get(pos.lnum)); + } else { + len = STRLEN(ml_get(pos.lnum)); + } // We accept "$" for the column number: last column. li = tv_list_find(l, 1L); @@ -8211,19 +8337,31 @@ pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret return NULL; } if (name[0] == '.') { // Cursor. - return &curwin->w_cursor; + pos = curwin->w_cursor; + if (charcol) { + pos.col = buf_byteidx_to_charidx(curbuf, pos.lnum, pos.col); + } + return &pos; } if (name[0] == 'v' && name[1] == NUL) { // Visual start. if (VIsual_active) { - return &VIsual; + pos = VIsual; + } else { + pos = curwin->w_cursor; + } + if (charcol) { + pos.col = buf_byteidx_to_charidx(curbuf, pos.lnum, pos.col); } - return &curwin->w_cursor; + return &pos; } if (name[0] == '\'') { // Mark. pp = getmark_buf_fnum(curbuf, (uint8_t)name[1], false, ret_fnum); if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0) { return NULL; } + if (charcol) { + pp->col = buf_byteidx_to_charidx(curbuf, pp->lnum, pp->col); + } return pp; } @@ -8249,22 +8387,24 @@ pos_T *var2fpos(const typval_T *const tv, const bool dollar_lnum, int *const ret pos.col = 0; } else { pos.lnum = curwin->w_cursor.lnum; - pos.col = (colnr_T)STRLEN(get_cursor_line_ptr()); + if (charcol) { + pos.col = (colnr_T)mb_charlen(get_cursor_line_ptr()); + } else { + pos.col = (colnr_T)STRLEN(get_cursor_line_ptr()); + } } return &pos; } return NULL; } -/* - * Convert list in "arg" into a position and optional file number. - * When "fnump" is NULL there is no file number, only 3 items. - * Note that the column is passed on as-is, the caller may want to decrement - * it to use 1 for the first column. - * Return FAIL when conversion is not possible, doesn't check the position for - * validity. - */ -int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp) +/// Convert list in "arg" into a position and optional file number. +/// When "fnump" is NULL there is no file number, only 3 items. +/// Note that the column is passed on as-is, the caller may want to decrement +/// it to use 1 for the first column. +/// Return FAIL when conversion is not possible, doesn't check the position for +/// validity. +int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp, bool charcol) { list_T *l; long i = 0; @@ -8300,6 +8440,15 @@ int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp) if (n < 0) { return FAIL; } + // If character position is specified, then convert to byte position + if (charcol) { + // Get the text for the specified line in a loaded buffer + buf_T *buf = buflist_findnr(fnump == NULL ? curbuf->b_fnum : *fnump); + if (buf == NULL || buf->b_ml.ml_mfp == NULL) { + return FAIL; + } + n = buf_charidx_to_byteidx(buf, posp->lnum, n) + 1; + } posp->col = n; n = tv_list_find_nr(l, i, NULL); // off @@ -8939,7 +9088,7 @@ static bool tv_is_luafunc(typval_T *tv) const char *skip_luafunc_name(const char *p) FUNC_ATTR_NONNULL_ALL FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT { - while (ASCII_ISALNUM(*p) || *p == '_' || *p == '.' || *p == '\'') { + while (ASCII_ISALNUM(*p) || *p == '_' || *p == '-' || *p == '.' || *p == '\'') { p++; } return p; @@ -9220,10 +9369,31 @@ static hashtab_T *find_var_ht_dict(const char *name, const size_t name_len, cons } else if (*name == 'l' && funccal != NULL) { // local variable *d = &funccal->l_vars; } else if (*name == 's' // script variable - && (current_sctx.sc_sid > 0 || current_sctx.sc_sid == SID_STR) + && (current_sctx.sc_sid > 0 || current_sctx.sc_sid == SID_STR + || current_sctx.sc_sid == SID_LUA) && current_sctx.sc_sid <= ga_scripts.ga_len) { // For anonymous scripts without a script item, create one now so script vars can be used - if (current_sctx.sc_sid == SID_STR) { + if (current_sctx.sc_sid == SID_LUA) { + // try to resolve lua filename & line no so it can be shown in lastset messages. + nlua_set_sctx(¤t_sctx); + if (current_sctx.sc_sid != SID_LUA) { + // Great we have valid location. Now here this out we'll create a new + // script context with the name and lineno of this one. why ? + // for behavioral consistency. With this different anonymous exec from + // same file can't access each others script local stuff. We need to do + // this all other cases except this will act like that otherwise. + const LastSet last_set = (LastSet){ + .script_ctx = current_sctx, + .channel_id = LUA_INTERNAL_CALL, + }; + bool should_free; + // should_free is ignored as script_sctx will be resolved to a fnmae + // & new_script_item will consume it. + char_u *sc_name = get_scriptname(last_set, &should_free); + new_script_item(sc_name, ¤t_sctx.sc_sid); + } + } + if (current_sctx.sc_sid == SID_STR || current_sctx.sc_sid == SID_LUA) { new_script_item(NULL, ¤t_sctx.sc_sid); } *d = &SCRIPT_SV(current_sctx.sc_sid)->sv_dict; @@ -10508,12 +10678,13 @@ int modify_fname(char_u *src, bool tilde_file, size_t *usedlen, char_u **fnamep, char_u *s, *p, *pbuf; char_u dirname[MAXPATHL]; int c; - int has_fullname = 0; + bool has_fullname = false; + bool has_homerelative = false; repeat: // ":p" - full path/file_name if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p') { - has_fullname = 1; + has_fullname = true; valid |= VALID_PATH; *usedlen += 2; @@ -10582,8 +10753,8 @@ repeat: } pbuf = NULL; // Need full path first (use expand_env() to remove a "~/") - if (!has_fullname) { - if (c == '.' && **fnamep == '~') { + if (!has_fullname && !has_homerelative) { + if (**fnamep == '~') { p = pbuf = expand_env_save(*fnamep); } else { p = pbuf = (char_u *)FullName_save((char *)*fnamep, FALSE); @@ -10592,18 +10763,33 @@ repeat: p = *fnamep; } - has_fullname = 0; + has_fullname = false; if (p != NULL) { if (c == '.') { os_dirname(dirname, MAXPATHL); - s = path_shorten_fname(p, dirname); - if (s != NULL) { - *fnamep = s; - if (pbuf != NULL) { - xfree(*bufp); // free any allocated file name - *bufp = pbuf; - pbuf = NULL; + if (has_homerelative) { + s = vim_strsave(dirname); + home_replace(NULL, s, dirname, MAXPATHL, true); + xfree(s); + } + size_t namelen = STRLEN(dirname); + + // Do not call shorten_fname() here since it removes the prefix + // even though the path does not have a prefix. + if (fnamencmp(p, dirname, namelen) == 0) { + p += namelen; + if (vim_ispathsep(*p)) { + while (*p && vim_ispathsep(*p)) { + p++; + } + *fnamep = p; + if (pbuf != NULL) { + // free any allocated file name + xfree(*bufp); + *bufp = pbuf; + pbuf = NULL; + } } } } else { @@ -10614,6 +10800,7 @@ repeat: *fnamep = s; xfree(*bufp); *bufp = s; + has_homerelative = true; } } xfree(pbuf); @@ -10990,10 +11177,7 @@ typval_T eval_call_provider(char *provider, char *method, list_T *arguments, boo bool eval_has_provider(const char *feat) { if (!strequal(feat, "clipboard") - && !strequal(feat, "python") && !strequal(feat, "python3") - && !strequal(feat, "python_compiled") - && !strequal(feat, "python_dynamic") && !strequal(feat, "python3_compiled") && !strequal(feat, "python3_dynamic") && !strequal(feat, "perl") |