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Remove integer keys from lush table, use string lookups (issue #29)

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VM now resolves lush functions via luaH_getshortstr through interned
TString pointers, so wrapping lush.command = my_wrapper is transparently
picked up. The lush table no longer has integer-keyed duplicates.
This commit is contained in:
Cormac Shannon
2026-03-20 21:32:38 +00:00
parent 5c1eca312f
commit e115a061bc
4 changed files with 15 additions and 13 deletions
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20
lcmd.c
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@@ -22,6 +22,7 @@
#include "lauxlib.h"
#include "lcmd.h"
#include "lbuiltin.h"
#include "lstring.h"
/* ===== argv parser ===== */
@@ -1203,6 +1204,8 @@ int lushCmd_setenv (lua_State *L) {
/* ===== lush standard library ===== */
TString *lushname[LUSH_OP_COUNT];
static const luaL_Reg lushlib[] = {
{"command", lushCmd_command},
{"interactive", lushCmd_interactive},
@@ -1214,17 +1217,12 @@ static const luaL_Reg lushlib[] = {
LUAMOD_API int luaopen_lush (lua_State *L) {
luaL_newlib(L, lushlib);
/* also store integer-keyed entries for OP_LUSH VM access */
lua_pushcfunction(L, lushCmd_command);
lua_rawseti(L, -2, LUSH_OP_COMMAND + 1);
lua_pushcfunction(L, lushCmd_interactive);
lua_rawseti(L, -2, LUSH_OP_INTERACTIVE + 1);
lua_pushcfunction(L, lushCmd_getenv);
lua_rawseti(L, -2, LUSH_OP_GETENV + 1);
lua_pushcfunction(L, lushCmd_setenv);
lua_rawseti(L, -2, LUSH_OP_SETENV + 1);
lua_pushcfunction(L, lushCmd_subcmd);
lua_rawseti(L, -2, LUSH_OP_SUBCMD + 1);
/* intern function name strings for OP_LUSH VM access */
lushname[LUSH_OP_COMMAND] = luaS_new(L, "command");
lushname[LUSH_OP_INTERACTIVE] = luaS_new(L, "interactive");
lushname[LUSH_OP_GETENV] = luaS_new(L, "getenv");
lushname[LUSH_OP_SETENV] = luaS_new(L, "setenv");
lushname[LUSH_OP_SUBCMD] = luaS_new(L, "subcmd");
/* store in registry for OP_LUSH access */
lua_pushvalue(L, -1);
lua_rawseti(L, LUA_REGISTRYINDEX, LUA_RIDX_LUSH);