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provider: check #Call() if g:loaded_xx_provider=2

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This commit is contained in:
Justin M. Keyes
2019-08-04 12:37:05 +02:00
parent e952b7fc2f
commit 2141dc2262
2 changed files with 19 additions and 7 deletions
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17
src/nvim/eval.c
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@@ -23996,8 +23996,7 @@ bool eval_has_provider(const char *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", name);
bool has_call = !!find_func((char_u *)buf);
if (has_call && p_lpl) {
if (!!find_func((char_u *)buf) && p_lpl) {
emsgf("provider: %s: missing required variable g:loaded_%s_provider",
name, name);
}
@@ -24005,9 +24004,21 @@ bool eval_has_provider(const char *name)
}
}
return (tv.v_type == VAR_NUMBER)
bool ok = (tv.v_type == VAR_NUMBER)
? 2 == tv.vval.v_number // Value of 2 means "loaded and working".
: false;
if (ok) {
// Call() must be defined if provider claims to be working.
snprintf(buf, sizeof(buf), "provider#%s#Call", name);
if (!find_func((char_u *)buf)) {
emsgf("provider: %s: g:loaded_%s_provider=2 but %s is not defined",
name, name, buf);
ok = false;
}
}
return ok;
}
/// Writes "<sourcing_name>:<sourcing_lnum>" to `buf[bufsize]`.