tolelom
6c3ef334fb
Compiles Lua 5.4 from source via cc crate (excluding lua.c/luac.c). Provides ffi bindings, LuaState safe wrapper, and default engine bindings. All 9 tests pass (exec, globals, register_fn, voltex_print). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
58 lines
2.0 KiB
Rust
58 lines
2.0 KiB
Rust
#![allow(non_camel_case_types, non_snake_case)]
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use std::os::raw::{c_char, c_int, c_void};
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pub enum lua_State {}
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pub type lua_Number = f64;
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pub type lua_Integer = i64;
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pub type lua_CFunction = unsafe extern "C" fn(*mut lua_State) -> c_int;
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// Constants
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pub const LUA_OK: c_int = 0;
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pub const LUA_TNUMBER: c_int = 3;
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pub const LUA_TSTRING: c_int = 4;
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pub const LUA_MULTRET: c_int = -1;
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extern "C" {
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pub fn luaL_newstate() -> *mut lua_State;
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pub fn luaL_openlibs(L: *mut lua_State);
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pub fn lua_close(L: *mut lua_State);
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// Execute
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pub fn luaL_loadstring(L: *mut lua_State, s: *const c_char) -> c_int;
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pub fn luaL_loadfilex(L: *mut lua_State, filename: *const c_char, mode: *const c_char) -> c_int;
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pub fn lua_pcallk(L: *mut lua_State, nargs: c_int, nresults: c_int, msgh: c_int, ctx: isize, k: *const c_void) -> c_int;
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// Stack operations
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pub fn lua_gettop(L: *mut lua_State) -> c_int;
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pub fn lua_settop(L: *mut lua_State, idx: c_int);
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pub fn lua_type(L: *mut lua_State, idx: c_int) -> c_int;
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// Push
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pub fn lua_pushnumber(L: *mut lua_State, n: lua_Number);
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pub fn lua_pushstring(L: *mut lua_State, s: *const c_char) -> *const c_char;
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pub fn lua_pushcclosure(L: *mut lua_State, f: lua_CFunction, n: c_int);
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// Get
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pub fn lua_tonumberx(L: *mut lua_State, idx: c_int, isnum: *mut c_int) -> lua_Number;
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pub fn lua_tolstring(L: *mut lua_State, idx: c_int, len: *mut usize) -> *const c_char;
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// Globals
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pub fn lua_getglobal(L: *mut lua_State, name: *const c_char) -> c_int;
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pub fn lua_setglobal(L: *mut lua_State, name: *const c_char);
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}
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// Helper: lua_pcall macro equivalent
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pub unsafe fn lua_pcall(L: *mut lua_State, nargs: c_int, nresults: c_int, msgh: c_int) -> c_int {
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lua_pcallk(L, nargs, nresults, msgh, 0, std::ptr::null())
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}
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// Helper: lua_pop
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pub unsafe fn lua_pop(L: *mut lua_State, n: c_int) {
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lua_settop(L, -n - 1);
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}
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// Helper: lua_tostring (without length)
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pub unsafe fn lua_tostring(L: *mut lua_State, idx: c_int) -> *const c_char {
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lua_tolstring(L, idx, std::ptr::null_mut())
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}
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