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api/lua: add on_detach to nvim_buf_attach

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This commit is contained in:
Björn Linse
2019-06-15 11:07:00 +02:00
parent 93f8c2793c
commit 64cdf9f78a
5 changed files with 140 additions and 10 deletions
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21
src/nvim/api/buffer.c
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@@ -12,6 +12,7 @@
#include "nvim/api/buffer.h"
#include "nvim/api/private/helpers.h"
#include "nvim/api/private/defs.h"
#include "nvim/lua/executor.h"
#include "nvim/vim.h"
#include "nvim/buffer.h"
#include "nvim/charset.h"
@@ -137,24 +138,38 @@ Boolean nvim_buf_attach(uint64_t channel_id,
if (is_lua && strequal("on_lines", k.data)) {
if (v->type != kObjectTypeLuaRef) {
api_set_error(err, kErrorTypeValidation, "callback is not a function");
return false;
goto error;
}
cb.on_lines = v->data.luaref;
v->data.integer = 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");
return false;
goto error;
}
cb.on_changedtick = v->data.luaref;
v->data.integer = 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.integer = LUA_NOREF;
} else {
api_set_error(err, kErrorTypeValidation, "unexpected key: %s", k.data);
return false;
goto error;
}
}
return buf_updates_register(buf, channel_id, cb, send_buffer);
error:
// TODO(bfredl): ASAN build should check that the ref table is empty?
executor_free_luaref(cb.on_lines);
executor_free_luaref(cb.on_changedtick);
executor_free_luaref(cb.on_detach);
return false;
}
/// Deactivates buffer-update events on the channel.