diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/nvim/api/vim.c | 14 | ||||
-rw-r--r-- | src/nvim/option.c | 22 | ||||
-rw-r--r-- | src/nvim/option.h | 1 |
3 files changed, 32 insertions, 5 deletions
diff --git a/src/nvim/api/vim.c b/src/nvim/api/vim.c index 4f7c320129..f81cdf9deb 100644 --- a/src/nvim/api/vim.c +++ b/src/nvim/api/vim.c @@ -696,7 +696,17 @@ Object nvim_get_option_value(String name, Dict(option) *opts, Error *err) rv = INTEGER_OBJ(numval); break; case 2: - rv = BOOLEAN_OBJ(!!numval); + switch (numval) { + case 0: + case 1: + rv = BOOLEAN_OBJ(numval); + break; + default: + // Boolean options that return something other than 0 or 1 should return nil. Currently this + // only applies to 'autoread' which uses -1 as a local value to indicate "unset" + rv = NIL; + break; + } break; default: api_set_error(err, kErrorTypeValidation, "unknown option '%s'", name.data); @@ -749,7 +759,7 @@ void nvim_set_option_value(String name, Object value, Dict(option) *opts, Error stringval = value.data.string.data; break; case kObjectTypeNil: - // Do nothing + scope |= OPT_CLEAR; break; default: api_set_error(err, kErrorTypeValidation, "invalid value for option"); diff --git a/src/nvim/option.c b/src/nvim/option.c index 2ceb1bd992..04bd968ac8 100644 --- a/src/nvim/option.c +++ b/src/nvim/option.c @@ -5059,6 +5059,9 @@ int get_option_value_strict(char *name, int64_t *numval, char **stringval, int o /// @param[in] number New value for the number or boolean option. /// @param[in] string New value for string option. /// @param[in] opt_flags Flags: OPT_LOCAL, OPT_GLOBAL, or 0 (both). +/// If OPT_CLEAR is set, the value of the option +/// is cleared (the exact semantics of this depend +/// on the option). /// /// @return NULL on success, error message on error. char *set_option_value(const char *const name, const long number, const char *const string, @@ -5084,7 +5087,7 @@ char *set_option_value(const char *const name, const long number, const char *co } if (flags & P_STRING) { const char *s = string; - if (s == NULL) { + if (s == NULL || opt_flags & OPT_CLEAR) { s = ""; } return set_string_option(opt_idx, s, opt_flags); @@ -5106,10 +5109,23 @@ char *set_option_value(const char *const name, const long number, const char *co return NULL; // do nothing as we hit an error } } + long numval = number; + if (opt_flags & OPT_CLEAR) { + if ((int *)varp == &curbuf->b_p_ar) { + numval = -1; + } else if ((long *)varp == &curbuf->b_p_ul) { + numval = NO_LOCAL_UNDOLEVEL; + } else if ((long *)varp == &curwin->w_p_so || (long *)varp == &curwin->w_p_siso) { + numval = -1; + } else { + char *s = NULL; + (void)get_option_value(name, &numval, (char_u **)&s, OPT_GLOBAL); + } + } if (flags & P_NUM) { - return set_num_option(opt_idx, varp, number, NULL, 0, opt_flags); + return set_num_option(opt_idx, varp, numval, NULL, 0, opt_flags); } else { - return set_bool_option(opt_idx, varp, (int)number, opt_flags); + return set_bool_option(opt_idx, varp, (int)numval, opt_flags); } } } diff --git a/src/nvim/option.h b/src/nvim/option.h index 452494172f..fbd8f38110 100644 --- a/src/nvim/option.h +++ b/src/nvim/option.h @@ -22,6 +22,7 @@ typedef enum { OPT_ONECOLUMN = 64, ///< list options one per line OPT_NO_REDRAW = 128, ///< ignore redraw flags on option OPT_SKIPRTP = 256, ///< "skiprtp" in 'sessionoptions' + OPT_CLEAR = 512, ///< Clear local value of an option. } OptionFlags; #ifdef INCLUDE_GENERATED_DECLARATIONS |