lua_sys/
lconf.rs

1use crate::*;
2
3use core::mem;
4
5// Defines values for the LUA_VERSION_* constants
6mod version {
7    include!(concat!(env!("OUT_DIR"), "/lua_version.rs"));
8}
9
10pub const LUA_VERSION_MAJOR: &str = version::VERSION_MAJOR;
11pub const LUA_VERSION_MINOR: &str = version::VERSION_MINOR;
12pub const LUA_VERSION_RELEASE: &str = version::VERSION_RELEASE;
13pub const LUA_VERSION_NUM: lua_Number = version::VERSION_NUM;
14pub const LUA_VERSION: &str = version::VERSION;
15pub const LUA_RELEASE: &str = version::RELEASE;
16pub const LUA_VERSUFFIX: &str = version::LUA_VERSUFFIX;
17
18// Integer types
19cfg_if::cfg_if! {
20    if #[cfg(LUA_FLOAT_TYPE="LUA_FLOAT_FLOAT")] {
21        pub type lua_Number = libc::c_float;
22
23        pub const LUA_NUMBER_FRMLEN: &str = "";
24        pub const LUA_NUMBER_FMT: &str = "%.7g";
25    } else if #[cfg(LUA_FLOAT_TYPE="LUA_FLOAT_LONGDOUBLE")] {
26        compile_error!("LUA_FLOAT_LONGDOUBLE is not supported");
27    } else if #[cfg(LUA_FLOAT_TYPE="LUA_FLOAT_DOUBLE")] {
28        pub type lua_Number = libc::c_double;
29
30        pub const LUA_NUMBER_FRMLEN: &str = "";
31        pub const LUA_NUMBER_FMT: &str = "%.14g";
32    } else {
33        compile_error!("Lua numeric float type not defined");
34    }
35}
36
37// Integer types
38cfg_if::cfg_if! {
39    if #[cfg(LUA_INT_TYPE="LUA_INT_INT")] {
40        pub type lua_Integer = libc::c_int;
41        pub type lua_Unsigned = libc::c_uint;
42        pub const LUA_INTEGER_FRMLEN: &str = "";
43
44        pub const LUA_INTEGER_FMT: &str = "%d";
45    } else if #[cfg(LUA_INT_TYPE="LUA_INT_LONG")] {
46        pub type lua_Integer = libc::c_long;
47        pub type lua_Unsigned = libc::c_ulong;
48        pub const LUA_INTEGER_FRMLEN: &str = "l";
49
50        pub const LUA_INTEGER_FMT: &str = "%ld";
51    } else if #[cfg(LUA_INT_TYPE="LUA_INT_LONGLONG")] {
52        pub type lua_Integer = libc::c_longlong;
53        pub type lua_Unsigned = libc::c_ulonglong;
54        pub const LUA_INTEGER_FRMLEN: &str = "ll";
55
56        pub const LUA_INTEGER_FMT: &str = "%ld";
57    } else {
58        compile_error!("Lua numeric integer type not defined");
59    }
60}
61
62// KContest
63cfg_if::cfg_if! {
64    if #[cfg(LUA_USE_C89)] {
65        pub type lua_KContext = libc::ptrdiff_t;
66    } else {
67        pub type lua_KContext = libc::intptr_t;
68    }
69}
70
71// luaxlib buffer size
72cfg_if::cfg_if! {
73    if #[cfg(LUA_FLOAT_TYPE="LUA_FLOAT_LONGDOUBLE")] {
74        pub const LUAL_BUFFERSIZE: usize = 8192;
75    } else {
76        pub const LUAL_BUFFERSIZE: usize =
77            0x80 * mem::size_of::<*const libc::c_void>() * mem::size_of::<lua_Integer>();
78    }
79}
lua_sys/lconf.rs

lua_sys/
lconf.rs
