114 lines
2.6 KiB
Rust
114 lines
2.6 KiB
Rust
#![cfg_attr(
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all(feature = "luajit", target_os = "macos", target_arch = "x86_64"),
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feature(link_args)
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)]
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#[cfg_attr(
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all(feature = "luajit", target_os = "macos", target_arch = "x86_64"),
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link_args = "-pagezero_size 10000 -image_base 100000000",
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allow(unused_attributes)
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)]
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extern "system" {}
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use mlua::{Error, Function, Lua, Result, String};
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#[test]
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fn test_function() -> Result<()> {
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let lua = Lua::new();
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let globals = lua.globals();
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lua.load(
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r#"
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function concat(arg1, arg2)
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return arg1 .. arg2
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end
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"#,
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)
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.exec()?;
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let concat = globals.get::<_, Function>("concat")?;
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assert_eq!(concat.call::<_, String>(("foo", "bar"))?, "foobar");
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Ok(())
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}
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#[test]
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fn test_bind() -> Result<()> {
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let lua = Lua::new();
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let globals = lua.globals();
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lua.load(
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r#"
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function concat(...)
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local res = ""
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for _, s in pairs({...}) do
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res = res..s
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end
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return res
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end
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"#,
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)
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.exec()?;
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let mut concat = globals.get::<_, Function>("concat")?;
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concat = concat.bind("foo")?;
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concat = concat.bind("bar")?;
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concat = concat.bind(("baz", "baf"))?;
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assert_eq!(
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concat.call::<_, String>(("hi", "wut"))?,
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"foobarbazbafhiwut"
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);
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Ok(())
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}
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#[test]
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fn test_rust_function() -> Result<()> {
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let lua = Lua::new();
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let globals = lua.globals();
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lua.load(
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r#"
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function lua_function()
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return rust_function()
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end
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-- Test to make sure chunk return is ignored
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return 1
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"#,
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)
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.exec()?;
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let lua_function = globals.get::<_, Function>("lua_function")?;
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let rust_function = lua.create_function(|_, ()| Ok("hello"))?;
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globals.set("rust_function", rust_function)?;
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assert_eq!(lua_function.call::<_, String>(())?, "hello");
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Ok(())
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}
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#[test]
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fn test_dump() -> Result<()> {
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let lua = unsafe { Lua::unsafe_new() };
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let concat_tmp = lua
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.load(r#"function(arg1, arg2) return arg1 .. arg2 end"#)
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.eval::<Function>()?;
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let concat_bytecode = concat_tmp.dump(false)?;
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let concat = lua.load(&concat_bytecode).into_function()?;
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assert_eq!(concat.call::<_, String>(("foo", "bar"))?, "foobar");
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let lua = Lua::new();
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match lua.load(&concat_bytecode).exec() {
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Ok(_) => panic!("expected SyntaxError, got no error"),
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Err(Error::SyntaxError { message: msg, .. }) => {
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assert!(msg.contains("attempt to load a binary chunk"))
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}
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Err(e) => panic!("expected SyntaxError, got {:?}", e),
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}
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Ok(())
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}
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