2023-09-24 22:40:45 +00:00
|
|
|
use crate::state::{
|
2023-09-25 00:47:17 +00:00
|
|
|
Block,
|
2023-09-24 22:40:45 +00:00
|
|
|
Chunk,
|
|
|
|
Instruction as Inst,
|
|
|
|
State,
|
|
|
|
};
|
|
|
|
|
2023-09-26 17:04:17 +00:00
|
|
|
// Invoke `luac` as a subprocess
|
|
|
|
// Luckily luac is single-pass, so we can just pipe in and out
|
|
|
|
|
|
|
|
fn compile_bytecode (source: Vec <u8>) -> Vec <u8> {
|
|
|
|
use std::{
|
|
|
|
io::Write,
|
|
|
|
process::{
|
|
|
|
Command,
|
|
|
|
Stdio,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
let mut child = Command::new ("luac")
|
|
|
|
.arg ("-o") // Output to...
|
|
|
|
.arg ("-") // Standard output
|
|
|
|
.arg ("-") // Input from standard input
|
|
|
|
.stdin (Stdio::piped ())
|
|
|
|
.stdout (Stdio::piped ())
|
|
|
|
.spawn ()
|
|
|
|
.expect ("failed to execute `luac`. Is Lua installed?");
|
|
|
|
|
|
|
|
let mut stdin = child.stdin.take ().expect ("failed to get stdin");
|
|
|
|
std::thread::spawn (move || {
|
|
|
|
stdin.write_all (&source).expect ("failed to write to stdin");
|
|
|
|
});
|
|
|
|
|
|
|
|
let output = child
|
|
|
|
.wait_with_output ()
|
|
|
|
.expect ("failed to wait on child");
|
|
|
|
|
|
|
|
output.stdout.as_slice ().to_vec ()
|
|
|
|
}
|
|
|
|
|
2023-09-25 00:47:17 +00:00
|
|
|
#[test]
|
|
|
|
fn bools () {
|
|
|
|
/*
|
|
|
|
local function bool_to_x (b)
|
|
|
|
if b then
|
|
|
|
return 99
|
|
|
|
else
|
|
|
|
return 98
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
local x = bool_to_x (not not arg [1])
|
|
|
|
print (x)
|
|
|
|
return x
|
|
|
|
*/
|
|
|
|
|
|
|
|
let chunk = Chunk {
|
|
|
|
blocks: vec! [
|
|
|
|
Block {
|
|
|
|
instructions: vec! [
|
|
|
|
Inst::VarArgPrep (0),
|
|
|
|
Inst::Closure (0, 0),
|
|
|
|
Inst::Move (1, 0),
|
|
|
|
|
|
|
|
Inst::LoadFalse (2),
|
|
|
|
Inst::Call (1, 2, 1),
|
|
|
|
|
|
|
|
Inst::Move (1, 0),
|
|
|
|
Inst::LoadTrue (2),
|
|
|
|
Inst::Call (1, 2, 1),
|
|
|
|
|
|
|
|
Inst::Move (1, 0),
|
|
|
|
Inst::GetTabUp (2, 0, 0),
|
|
|
|
Inst::GetI (2, 2, 1),
|
|
|
|
Inst::Not (2, 2),
|
|
|
|
Inst::Not (2, 2),
|
|
|
|
Inst::Call (1, 2, 2),
|
|
|
|
Inst::GetTabUp (2, 0, 1),
|
|
|
|
Inst::Move (3, 1),
|
|
|
|
Inst::Call (2, 2, 1),
|
2023-09-25 01:40:28 +00:00
|
|
|
Inst::Return (1, 2, 1, false),
|
|
|
|
Inst::Return (2, 1, 1, false),
|
2023-09-25 00:47:17 +00:00
|
|
|
],
|
|
|
|
constants: vec! [
|
|
|
|
"arg".into (),
|
|
|
|
"print".into (),
|
|
|
|
],
|
2023-09-25 01:40:28 +00:00
|
|
|
upvalue_count: 1,
|
2023-09-25 00:47:17 +00:00
|
|
|
},
|
|
|
|
Block {
|
|
|
|
instructions: vec! [
|
|
|
|
Inst::Test (0, 0),
|
|
|
|
Inst::Jmp (3),
|
|
|
|
Inst::LoadI (1, 99),
|
|
|
|
Inst::Return1 (1),
|
|
|
|
Inst::Jmp (2),
|
|
|
|
Inst::LoadI (1, 98),
|
|
|
|
Inst::Return1 (1),
|
|
|
|
Inst::Return0,
|
|
|
|
],
|
|
|
|
constants: vec! [],
|
2023-09-25 01:40:28 +00:00
|
|
|
upvalue_count: 0,
|
2023-09-25 00:47:17 +00:00
|
|
|
},
|
|
|
|
],
|
|
|
|
};
|
|
|
|
|
|
|
|
for (arg, expected) in [
|
|
|
|
(vec! ["_exe_name"], vec! [98.into ()]),
|
|
|
|
(vec! ["_exe_name", "asdf"], vec! [99.into ()]),
|
|
|
|
] {
|
|
|
|
let mut vm = State::default ();
|
|
|
|
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
|
|
|
|
|
|
|
|
let actual = vm.execute_chunk (&chunk, &upvalues);
|
|
|
|
assert_eq! (actual, expected);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2023-09-25 05:23:53 +00:00
|
|
|
#[test]
|
|
|
|
fn closure () {
|
|
|
|
let bytecode = include_bytes! ("../test_vectors/closure.luac");
|
|
|
|
let mut rdr = std::io::Cursor::new (bytecode);
|
|
|
|
let file = crate::loader::parse_chunk (&mut rdr).unwrap ();
|
|
|
|
|
|
|
|
for (arg, expected) in [
|
|
|
|
// Run the same test twice so clippy won't complain about a vec of 1 element
|
|
|
|
(vec! ["_exe_name"], vec! [23.into ()]),
|
|
|
|
(vec! ["_exe_name"], vec! [23.into ()]),
|
|
|
|
] {
|
|
|
|
let mut vm = State::default ();
|
|
|
|
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
|
|
|
|
let actual = vm.execute_chunk (&file, &upvalues);
|
|
|
|
|
|
|
|
assert_eq! (actual, expected);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2023-09-24 22:40:45 +00:00
|
|
|
#[test]
|
|
|
|
fn floats () {
|
|
|
|
/*
|
|
|
|
local a = 0.5
|
|
|
|
local b = 3
|
|
|
|
|
|
|
|
local x = a + b
|
|
|
|
|
|
|
|
print (x)
|
|
|
|
return x
|
|
|
|
*/
|
|
|
|
|
2023-09-25 00:47:17 +00:00
|
|
|
let block = Block {
|
2023-09-24 22:40:45 +00:00
|
|
|
instructions: vec! [
|
|
|
|
Inst::VarArgPrep (0),
|
|
|
|
Inst::LoadK (0, 0),
|
|
|
|
Inst::LoadI (1, 3),
|
|
|
|
Inst::Add (2, 0, 1),
|
|
|
|
Inst::MmBin (0, 1, 6),
|
|
|
|
Inst::GetTabUp (3, 0, 1),
|
|
|
|
Inst::Move (4, 2),
|
|
|
|
Inst::Call (3, 2, 1),
|
2023-09-25 01:40:28 +00:00
|
|
|
Inst::Return (2, 2, 1, false),
|
|
|
|
Inst::Return (3, 1, 1, false),
|
2023-09-24 22:40:45 +00:00
|
|
|
],
|
|
|
|
constants: vec! [
|
|
|
|
0.5.into (),
|
|
|
|
"print".into (),
|
|
|
|
],
|
2023-09-25 01:40:28 +00:00
|
|
|
upvalue_count: 1,
|
2023-09-24 22:40:45 +00:00
|
|
|
};
|
2023-09-25 00:47:17 +00:00
|
|
|
let chunk = Chunk {
|
|
|
|
blocks: vec! [block],
|
|
|
|
};
|
2023-09-24 22:40:45 +00:00
|
|
|
|
|
|
|
for (arg, expected) in [
|
|
|
|
(vec! ["_exe_name"], vec! [3.5.into ()]),
|
2023-09-24 22:42:56 +00:00
|
|
|
(vec! ["_exe_name", " "], vec! [3.5.into ()]),
|
2023-09-24 22:40:45 +00:00
|
|
|
] {
|
|
|
|
let mut vm = State::default ();
|
|
|
|
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
|
|
|
|
let actual = vm.execute_chunk (&chunk, &upvalues);
|
|
|
|
|
|
|
|
assert_eq! (actual, expected);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2023-09-25 01:40:28 +00:00
|
|
|
#[test]
|
|
|
|
fn fma () {
|
2023-09-25 05:23:53 +00:00
|
|
|
let bytecode = include_bytes! ("../test_vectors/fma.luac");
|
|
|
|
let mut rdr = std::io::Cursor::new (bytecode);
|
|
|
|
let file = crate::loader::parse_chunk (&mut rdr).unwrap ();
|
2023-09-25 06:57:57 +00:00
|
|
|
assert_eq! (file.blocks.len (), 4);
|
2023-09-25 01:40:28 +00:00
|
|
|
|
|
|
|
for (arg, expected) in [
|
|
|
|
(vec! ["_exe_name"], vec! [122.into ()]),
|
|
|
|
(vec! ["_exe_name"], vec! [122.into ()]),
|
|
|
|
] {
|
|
|
|
let mut vm = State::default ();
|
|
|
|
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
|
2023-09-25 05:23:53 +00:00
|
|
|
let actual = vm.execute_chunk (&file, &upvalues);
|
2023-09-25 01:40:28 +00:00
|
|
|
|
|
|
|
assert_eq! (actual, expected);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2023-09-24 22:40:45 +00:00
|
|
|
#[test]
|
|
|
|
fn is_93 () {
|
2023-09-26 17:04:17 +00:00
|
|
|
let source = include_bytes! ("../test_vectors/is_93.lua");
|
|
|
|
assert_eq! (&blake3::hash (source).to_hex (), "a058869ed5142cbc8ccb2372991ef8b37657af38dc3f5e34814a7274b14d1e52");
|
|
|
|
|
|
|
|
let bytecode = compile_bytecode (source.to_vec ());
|
|
|
|
assert_eq! (&blake3::hash (&bytecode).to_hex (), "b59ce3e054500beb109c247e784cc4a0ff09ac42f8086dc5cdbf711bce1ba071");
|
|
|
|
|
2023-09-25 05:23:53 +00:00
|
|
|
let mut rdr = std::io::Cursor::new (bytecode);
|
|
|
|
let file = crate::loader::parse_chunk (&mut rdr).unwrap ();
|
2023-09-24 22:40:45 +00:00
|
|
|
|
|
|
|
for (arg, expected) in [
|
|
|
|
(vec! ["_exe_name"], vec! [1.into ()]),
|
|
|
|
(vec! ["_exe_name", "93"], vec! [0.into ()]),
|
|
|
|
(vec! ["_exe_name", "94"], vec! [1.into ()]),
|
|
|
|
] {
|
|
|
|
let mut vm = State::default ();
|
|
|
|
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
|
2023-09-25 05:23:53 +00:00
|
|
|
let actual = vm.execute_chunk (&file, &upvalues);
|
2023-09-24 22:40:45 +00:00
|
|
|
|
|
|
|
assert_eq! (actual, expected);
|
|
|
|
}
|
2023-09-25 01:40:28 +00:00
|
|
|
}
|