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refactor(options): deduplicate do_set_option_string

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Reduce code duplication between `do_set_option_string` and `set_string_option` by making the former call the latter within itself.
This commit is contained in:
Famiu Haque 2023-10-12 20:09:52 +06:00
parent 36e4901cbd
commit ca77089e2d
2 changed files with 17 additions and 89 deletions
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92
src/nvim/option.c
View File

@ -1099,99 +1099,27 @@ static char *stropt_get_newval(int nextchar, int opt_idx, char **argp, void *var
}
/// Part of do_set() for string options.
static void do_set_option_string(int opt_idx, int opt_flags, char **argp, int nextchar,
set_op_T op_arg, uint32_t flags, void *varp_arg, char *errbuf,
static void do_set_option_string(const int opt_idx, const int opt_flags, char **argp, int nextchar,
set_op_T op, const uint32_t flags, void *varp, char *errbuf,
size_t errbuflen, bool *value_checked, const char **errmsg)
{
vimoption_T *opt = get_option(opt_idx);
set_op_T op = op_arg;
void *varp = varp_arg;
char *origval_l = NULL;
char *origval_g = NULL;
// When using ":set opt=val" for a global option
// with a local value the local value will be
// reset, use the global value here.
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0
&& ((int)opt->indir & PV_BOTH)) {
varp = opt->var;
}
// The old value is kept until we are sure that the new value is valid.
char *oldval = *(char **)varp;
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0) {
origval_l = *(char **)get_varp_scope(opt, OPT_LOCAL);
origval_g = *(char **)get_varp_scope(opt, OPT_GLOBAL);
// A global-local string option might have an empty option as value to
// indicate that the global value should be used.
if (((int)opt->indir & PV_BOTH) && origval_l == empty_option) {
origval_l = origval_g;
}
}
char *origval;
// When setting the local value of a global option, the old value may be
// the global value.
if (((int)opt->indir & PV_BOTH) && (opt_flags & OPT_LOCAL)) {
origval = *(char **)get_varp(opt);
} else {
origval = oldval;
origval = *(char **)varp;
}
// Get the new value for the option
char *newval = stropt_get_newval(nextchar, opt_idx, argp, varp, origval, &op, flags);
*errmsg = set_string_option(opt_idx, varp, newval, opt_flags, op == OP_NONE, value_checked,
errbuf, errbuflen);
// Set the new value.
*(char **)(varp) = newval != NULL ? newval : empty_option;
// origval may be freed by did_set_string_option(), make a copy.
char *const saved_origval = (origval != NULL) ? xstrdup(origval) : NULL;
char *const saved_origval_l = (origval_l != NULL) ? xstrdup(origval_l) : NULL;
char *const saved_origval_g = (origval_g != NULL) ? xstrdup(origval_g) : NULL;
// newval (and varp) may become invalid if the buffer is closed by
// autocommands.
char *const saved_newval = (newval != NULL) ? xstrdup(newval) : NULL;
uint32_t *p = insecure_flag(curwin, opt_idx, opt_flags);
const int secure_saved = secure;
// When an option is set in the sandbox, from a modeline or in secure
// mode, then deal with side effects in secure mode. Also when the
// value was set with the P_INSECURE flag and is not completely
// replaced.
if ((opt_flags & OPT_MODELINE)
|| sandbox != 0
|| (op != OP_NONE && (*p & P_INSECURE))) {
secure = 1;
}
// Handle side effects, and set the global value for ":set" on local
// options. Note: when setting 'syntax' or 'filetype' autocommands may
// be triggered that can cause havoc.
*errmsg = did_set_string_option(curbuf, curwin, opt_idx, (char **)varp, oldval,
errbuf, errbuflen, opt_flags, value_checked);
secure = secure_saved;
// call autocommand after handling side effects
if (*errmsg == NULL) {
if (!starting) {
trigger_optionset_string(opt_idx, opt_flags, saved_origval, saved_origval_l,
saved_origval_g, saved_newval);
}
if (options[opt_idx].flags & P_UI_OPTION) {
ui_call_option_set(cstr_as_string(opt->fullname),
CSTR_AS_OBJ(saved_newval));
}
}
xfree(saved_origval);
xfree(saved_origval_l);
xfree(saved_origval_g);
xfree(saved_newval);
// `set_string_option` duplicates the value, so we need to free newval
xfree(newval);
}
static set_op_T get_op(const char *arg)
@ -1830,7 +1758,7 @@ int was_set_insecurely(win_T *const wp, char *opt, int opt_flags)
/// "opt_idx". For some local options a local flags field is used.
/// NOTE: Caller must make sure that "wp" is set to the window from which
/// the option is used.
static uint32_t *insecure_flag(win_T *const wp, int opt_idx, int opt_flags)
uint32_t *insecure_flag(win_T *const wp, int opt_idx, int opt_flags)
{
if (opt_flags & OPT_LOCAL) {
assert(wp != NULL);
@ -3689,8 +3617,8 @@ static const char *set_option(int opt_idx, void *varp, OptVal value, int opt_fla
// TODO(famiu): Unify set_string_option with set_option.
if (value.type == kOptValTypeString) {
errmsg = set_string_option(opt_idx, varp, value.data.string.data, opt_flags, &value_checked,
errbuf, errbuflen);
errmsg = set_string_option(opt_idx, varp, value.data.string.data, opt_flags, true,
&value_checked, errbuf, errbuflen);
goto end;
}

14
src/nvim/optionstr.c
View File

@ -442,7 +442,8 @@ void set_string_option_direct_in_buf(buf_T *buf, const char *name, int opt_idx,
///
/// @return NULL on success, an untranslated error message on error.
const char *set_string_option(const int opt_idx, void *varp, const char *value, const int opt_flags,
bool *value_checked, char *const errbuf, const size_t errbuflen)
const bool new_value, bool *value_checked, char *const errbuf,
const size_t errbuflen)
FUNC_ATTR_WARN_UNUSED_RESULT
{
vimoption_T *opt = get_option(opt_idx);
@ -492,13 +493,12 @@ const char *set_string_option(const int opt_idx, void *varp, const char *value,
char *const saved_newval = xstrdup(*(char **)varp);
const int secure_saved = secure;
const uint32_t *p = insecure_flag(curwin, opt_idx, opt_flags);
// When an option is set in the sandbox, from a modeline or in secure
// mode, then deal with side effects in secure mode. Also when the
// value was set with the P_INSECURE flag and is not completely
// replaced.
if ((opt_flags & OPT_MODELINE)
|| sandbox != 0) {
// When an option is set in the sandbox, from a modeline or in secure mode, then deal with side
// effects in secure mode. Also when the value was set with the P_INSECURE flag and is not
// completely replaced.
if ((opt_flags & OPT_MODELINE) || sandbox != 0 || (!new_value && (*p & P_INSECURE))) {
secure = 1;
}