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feat(api): implement nvim_{add,del}_user_command

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Add support for adding and removing custom user commands with the Nvim
API.
This commit is contained in:
Gregory Anders
2021-12-22 11:40:21 -07:00
parent 9804a2870f
commit eff11b3c3f
17 changed files with 740 additions and 99 deletions
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64
src/nvim/lua/executor.c
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@@ -18,6 +18,7 @@
#include "nvim/event/loop.h"
#include "nvim/event/time.h"
#include "nvim/ex_cmds2.h"
#include "nvim/ex_docmd.h"
#include "nvim/ex_getln.h"
#include "nvim/extmark.h"
#include "nvim/func_attr.h"
@@ -914,6 +915,24 @@ void nlua_typval_call(const char *str, size_t len, typval_T *const args, int arg
}
}
void nlua_call_user_expand_func(expand_T *xp, typval_T *ret_tv)
FUNC_ATTR_NONNULL_ALL
{
lua_State *const lstate = global_lstate;
nlua_pushref(lstate, xp->xp_luaref);
lua_pushstring(lstate, (char *)xp->xp_pattern);
lua_pushstring(lstate, (char *)xp->xp_line);
lua_pushinteger(lstate, xp->xp_col);
if (nlua_pcall(lstate, 3, 1)) {
nlua_error(lstate, _("E5108: Error executing Lua function: %.*s"));
return;
}
nlua_pop_typval(lstate, ret_tv);
}
static void nlua_typval_exec(const char *lcmd, size_t lcmd_len, const char *name,
typval_T *const args, int argcount, bool special, typval_T *ret_tv)
{
@@ -1432,3 +1451,48 @@ void nlua_execute_on_key(int c)
#endif
}
void nlua_do_ucmd(ucmd_T *cmd, exarg_T *eap)
{
lua_State *const lstate = global_lstate;
nlua_pushref(lstate, cmd->uc_luaref);
lua_newtable(lstate);
lua_pushboolean(lstate, eap->forceit == 1);
lua_setfield(lstate, -2, "bang");
lua_pushinteger(lstate, eap->line1);
lua_setfield(lstate, -2, "line1");
lua_pushinteger(lstate, eap->line2);
lua_setfield(lstate, -2, "line2");
lua_pushstring(lstate, (const char *)eap->arg);
lua_setfield(lstate, -2, "args");
lua_pushstring(lstate, (const char *)&eap->regname);
lua_setfield(lstate, -2, "reg");
lua_pushinteger(lstate, eap->addr_count);
lua_setfield(lstate, -2, "range");
if (eap->addr_count > 0) {
lua_pushinteger(lstate, eap->line2);
} else {
lua_pushinteger(lstate, cmd->uc_def);
}
lua_setfield(lstate, -2, "count");
// The size of this buffer is chosen empirically to be large enough to hold
// every possible modifier (with room to spare). If the list of possible
// modifiers grows this may need to be updated.
char buf[200] = { 0 };
(void)uc_mods(buf);
lua_pushstring(lstate, buf);
lua_setfield(lstate, -2, "mods");
if (nlua_pcall(lstate, 1, 0)) {
nlua_error(lstate, _("Error executing Lua callback: %.*s"));
}
}