buffer updates: add on_reload callback and handle it in treesitter parser

This commit is contained in:
Björn Linse
2021-02-07 07:32:19 +01:00
parent fa5f583981
commit 94622ca66b
9 changed files with 146 additions and 62 deletions

View File

@@ -119,6 +119,10 @@ Integer nvim_buf_line_count(Buffer buffer, Error *err)
/// - on_detach: Lua callback invoked on detach. Args:
/// - the string "detach"
/// - buffer handle
/// - on_reload: Lua callback invoked on reload. The entire buffer
/// content should be considered changed. Args:
/// - the string "detach"
/// - buffer handle
/// - utf_sizes: include UTF-32 and UTF-16 size of the replaced
/// region, as args to `on_lines`.
/// - preview: also attach to command preview (i.e. 'inccommand')
@@ -141,50 +145,57 @@ Boolean nvim_buf_attach(uint64_t channel_id,
bool is_lua = (channel_id == LUA_INTERNAL_CALL);
BufUpdateCallbacks cb = BUF_UPDATE_CALLBACKS_INIT;
struct {
const char *name;
LuaRef *dest;
} cbs[] = {
{ "on_lines", &cb.on_lines },
{ "on_bytes", &cb.on_bytes },
{ "on_changedtick", &cb.on_changedtick },
{ "on_detach", &cb.on_detach },
{ "on_reload", &cb.on_reload },
{ NULL, NULL },
};
for (size_t i = 0; i < opts.size; i++) {
String k = opts.items[i].key;
Object *v = &opts.items[i].value;
if (is_lua && strequal("on_lines", k.data)) {
if (v->type != kObjectTypeLuaRef) {
api_set_error(err, kErrorTypeValidation, "callback is not a function");
goto error;
bool key_used = false;
if (is_lua) {
for (size_t j = 0; cbs[j].name; j++) {
if (strequal(cbs[j].name, k.data)) {
if (v->type != kObjectTypeLuaRef) {
api_set_error(err, kErrorTypeValidation,
"%s is not a function", cbs[j].name);
goto error;
}
*(cbs[j].dest) = v->data.luaref;
v->data.luaref = LUA_NOREF;
key_used = true;
break;
}
}
cb.on_lines = v->data.luaref;
v->data.luaref = LUA_NOREF;
} else if (is_lua && strequal("on_bytes", k.data)) {
if (v->type != kObjectTypeLuaRef) {
api_set_error(err, kErrorTypeValidation, "callback is not a function");
goto error;
if (key_used) {
continue;
} else if (strequal("utf_sizes", k.data)) {
if (v->type != kObjectTypeBoolean) {
api_set_error(err, kErrorTypeValidation, "utf_sizes must be boolean");
goto error;
}
cb.utf_sizes = v->data.boolean;
key_used = true;
} else if (strequal("preview", k.data)) {
if (v->type != kObjectTypeBoolean) {
api_set_error(err, kErrorTypeValidation, "preview must be boolean");
goto error;
}
cb.preview = v->data.boolean;
key_used = true;
}
cb.on_bytes = v->data.luaref;
v->data.luaref = LUA_NOREF;
} else if (is_lua && strequal("on_changedtick", k.data)) {
if (v->type != kObjectTypeLuaRef) {
api_set_error(err, kErrorTypeValidation, "callback is not a function");
goto error;
}
cb.on_changedtick = v->data.luaref;
v->data.luaref = LUA_NOREF;
} else if (is_lua && strequal("on_detach", k.data)) {
if (v->type != kObjectTypeLuaRef) {
api_set_error(err, kErrorTypeValidation, "callback is not a function");
goto error;
}
cb.on_detach = v->data.luaref;
v->data.luaref = LUA_NOREF;
} else if (is_lua && strequal("utf_sizes", k.data)) {
if (v->type != kObjectTypeBoolean) {
api_set_error(err, kErrorTypeValidation, "utf_sizes must be boolean");
goto error;
}
cb.utf_sizes = v->data.boolean;
} else if (is_lua && strequal("preview", k.data)) {
if (v->type != kObjectTypeBoolean) {
api_set_error(err, kErrorTypeValidation, "preview must be boolean");
goto error;
}
cb.preview = v->data.boolean;
} else {
}
if (!key_used) {
api_set_error(err, kErrorTypeValidation, "unexpected key: %s", k.data);
goto error;
}