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feat(lua)!: register_keystroke_callback => on_key

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Analogous to nodejs's `on('data', …)` interface, here on_key is the "add
listener" interface.

ref 3ccdbc570d #12536

BREAKING_CHANGE: vim.register_keystroke_callback() is now an error.
This commit is contained in:
Justin M. Keyes
2021-08-22 18:26:35 -07:00
parent 4eb1ebbcf7
commit 69fe427df4
9 changed files with 91 additions and 105 deletions
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12
src/nvim/lua/executor.c
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@@ -1499,7 +1499,7 @@ int nlua_expand_pat(expand_T *xp,
lua_getfield(lstate, -1, "_expand_pat");
luaL_checktype(lstate, -1, LUA_TFUNCTION);
// [ vim, vim._log_keystroke, buf ]
// [ vim, vim._on_key, buf ]
lua_pushlstring(lstate, (const char *)pat, STRLEN(pat));
if (lua_pcall(lstate, 1, 2, 0) != 0) {
@@ -1773,7 +1773,7 @@ char_u *nlua_register_table_as_callable(typval_T *const arg)
return name;
}
void nlua_execute_log_keystroke(int c)
void nlua_execute_on_key(int c)
{
char_u buf[NUMBUFLEN];
size_t buf_len = special_to_buf(c, mod_mask, false, buf);
@@ -1787,17 +1787,17 @@ void nlua_execute_log_keystroke(int c)
// [ vim ]
lua_getglobal(lstate, "vim");
// [ vim, vim._log_keystroke ]
lua_getfield(lstate, -1, "_log_keystroke");
// [ vim, vim._on_key]
lua_getfield(lstate, -1, "_on_key");
luaL_checktype(lstate, -1, LUA_TFUNCTION);
// [ vim, vim._log_keystroke, buf ]
// [ vim, vim._on_key, buf ]
lua_pushlstring(lstate, (const char *)buf, buf_len);
if (lua_pcall(lstate, 1, 0, 0)) {
nlua_error(
lstate,
_("Error executing vim.log_keystroke lua callback: %.*s"));
_("Error executing vim.on_key Lua callback: %.*s"));
}
// [ vim ]