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provider: skip non-provider has() feature-names

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We don't want to retry autoload sourcing (slow) for every random has()
query that finds it way to eval_call_provider().
This commit is contained in:
Justin M. Keyes
2019-08-04 12:20:30 +02:00
parent 241956720d
commit 5e6a08f2e6
5 changed files with 25 additions and 12 deletions
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21
src/nvim/eval.c
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@@ -23969,28 +23969,37 @@ typval_T eval_call_provider(char *provider, char *method, list_T *arguments)
}
/// Checks if a named provider is enabled.
bool eval_has_provider(const char *provider)
bool eval_has_provider(const char *name)
{
if (!strequal(name, "clipboard")
&& !strequal(name, "python")
&& !strequal(name, "python3")
&& !strequal(name, "ruby")
&& !strequal(name, "node")) {
// Avoid autoload for non-provider has() features.
return false;
}
char buf[256];
int len;
typval_T tv;
// Get the g:loaded_xx_provider variable.
len = snprintf(buf, sizeof(buf), "g:loaded_%s_provider", provider);
len = snprintf(buf, sizeof(buf), "g:loaded_%s_provider", name);
if (get_var_tv(buf, len, &tv, NULL, false, true) == FAIL) {
// Trigger autoload once.
len = snprintf(buf, sizeof(buf), "provider#%s#bogus", provider);
len = snprintf(buf, sizeof(buf), "provider#%s#bogus", name);
script_autoload(buf, len, false);
// Retry the (non-autoload-style) variable.
len = snprintf(buf, sizeof(buf), "g:loaded_%s_provider", provider);
len = snprintf(buf, sizeof(buf), "g:loaded_%s_provider", name);
if (get_var_tv(buf, len, &tv, NULL, false, true) == FAIL) {
// Show a hint if Call() is defined but g:loaded_xx_provider is missing.
snprintf(buf, sizeof(buf), "provider#%s#Call", provider);
snprintf(buf, sizeof(buf), "provider#%s#Call", name);
bool has_call = !!find_func((char_u *)buf);
if (has_call && p_lpl) {
emsgf("provider: %s: missing required variable g:loaded_%s_provider",
provider, provider);
name, name);
}
return false;
}