2023-09-24 22:40:45 +00:00
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use crate::state::{
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2023-09-25 00:47:17 +00:00
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Block,
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2023-09-24 22:40:45 +00:00
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Chunk,
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Instruction as Inst,
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State,
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};
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2023-09-25 00:47:17 +00:00
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#[test]
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fn bools () {
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/*
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local function bool_to_x (b)
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if b then
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return 99
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else
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return 98
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end
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end
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local x = bool_to_x (not not arg [1])
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print (x)
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return x
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*/
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let chunk = Chunk {
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blocks: vec! [
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Block {
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instructions: vec! [
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Inst::VarArgPrep (0),
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Inst::Closure (0, 0),
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Inst::Move (1, 0),
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Inst::LoadFalse (2),
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Inst::Call (1, 2, 1),
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Inst::Move (1, 0),
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Inst::LoadTrue (2),
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Inst::Call (1, 2, 1),
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Inst::Move (1, 0),
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Inst::GetTabUp (2, 0, 0),
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Inst::GetI (2, 2, 1),
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Inst::Not (2, 2),
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Inst::Not (2, 2),
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Inst::Call (1, 2, 2),
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Inst::GetTabUp (2, 0, 1),
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Inst::Move (3, 1),
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Inst::Call (2, 2, 1),
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Inst::Return (1, 2, 1, false),
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Inst::Return (2, 1, 1, false),
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2023-09-25 00:47:17 +00:00
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],
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constants: vec! [
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"arg".into (),
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"print".into (),
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],
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upvalue_count: 1,
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},
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Block {
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instructions: vec! [
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Inst::Test (0, 0),
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Inst::Jmp (3),
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Inst::LoadI (1, 99),
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Inst::Return1 (1),
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Inst::Jmp (2),
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Inst::LoadI (1, 98),
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Inst::Return1 (1),
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Inst::Return0,
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],
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constants: vec! [],
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upvalue_count: 0,
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},
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],
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};
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for (arg, expected) in [
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(vec! ["_exe_name"], vec! [98.into ()]),
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(vec! ["_exe_name", "asdf"], vec! [99.into ()]),
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] {
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let mut vm = State::default ();
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let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
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let actual = vm.execute_chunk (&chunk, &upvalues);
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assert_eq! (actual, expected);
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}
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}
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2023-09-25 05:23:53 +00:00
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#[test]
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fn closure () {
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let bytecode = include_bytes! ("../test_vectors/closure.luac");
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let mut rdr = std::io::Cursor::new (bytecode);
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let file = crate::loader::parse_chunk (&mut rdr).unwrap ();
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for (arg, expected) in [
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// Run the same test twice so clippy won't complain about a vec of 1 element
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(vec! ["_exe_name"], vec! [23.into ()]),
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(vec! ["_exe_name"], vec! [23.into ()]),
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] {
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let mut vm = State::default ();
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let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
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let actual = vm.execute_chunk (&file, &upvalues);
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assert_eq! (actual, expected);
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}
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}
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2023-09-24 22:40:45 +00:00
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#[test]
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fn floats () {
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/*
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local a = 0.5
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local b = 3
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local x = a + b
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print (x)
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return x
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*/
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2023-09-25 00:47:17 +00:00
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let block = Block {
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instructions: vec! [
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Inst::VarArgPrep (0),
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Inst::LoadK (0, 0),
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Inst::LoadI (1, 3),
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Inst::Add (2, 0, 1),
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Inst::MmBin (0, 1, 6),
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Inst::GetTabUp (3, 0, 1),
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Inst::Move (4, 2),
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Inst::Call (3, 2, 1),
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2023-09-25 01:40:28 +00:00
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Inst::Return (2, 2, 1, false),
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Inst::Return (3, 1, 1, false),
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],
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constants: vec! [
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0.5.into (),
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"print".into (),
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],
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upvalue_count: 1,
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};
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2023-09-25 00:47:17 +00:00
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let chunk = Chunk {
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blocks: vec! [block],
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};
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2023-09-24 22:40:45 +00:00
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for (arg, expected) in [
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(vec! ["_exe_name"], vec! [3.5.into ()]),
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2023-09-24 22:42:56 +00:00
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(vec! ["_exe_name", " "], vec! [3.5.into ()]),
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] {
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let mut vm = State::default ();
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let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
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let actual = vm.execute_chunk (&chunk, &upvalues);
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assert_eq! (actual, expected);
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}
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}
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2023-09-25 01:40:28 +00:00
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#[test]
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fn fma () {
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2023-09-25 05:23:53 +00:00
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let bytecode = include_bytes! ("../test_vectors/fma.luac");
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let mut rdr = std::io::Cursor::new (bytecode);
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let file = crate::loader::parse_chunk (&mut rdr).unwrap ();
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2023-09-25 06:57:57 +00:00
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assert_eq! (file.blocks.len (), 4);
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2023-09-25 01:40:28 +00:00
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for (arg, expected) in [
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(vec! ["_exe_name"], vec! [122.into ()]),
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(vec! ["_exe_name"], vec! [122.into ()]),
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] {
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let mut vm = State::default ();
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let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
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2023-09-25 05:23:53 +00:00
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let actual = vm.execute_chunk (&file, &upvalues);
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2023-09-25 01:40:28 +00:00
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assert_eq! (actual, expected);
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}
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}
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2023-09-24 22:40:45 +00:00
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#[test]
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fn is_93 () {
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2023-09-25 05:23:53 +00:00
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let bytecode = include_bytes! ("../test_vectors/is_93.luac");
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let mut rdr = std::io::Cursor::new (bytecode);
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let file = crate::loader::parse_chunk (&mut rdr).unwrap ();
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2023-09-24 22:40:45 +00:00
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for (arg, expected) in [
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(vec! ["_exe_name"], vec! [1.into ()]),
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(vec! ["_exe_name", "93"], vec! [0.into ()]),
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(vec! ["_exe_name", "94"], vec! [1.into ()]),
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] {
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let mut vm = State::default ();
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let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
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2023-09-25 05:23:53 +00:00
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let actual = vm.execute_chunk (&file, &upvalues);
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2023-09-24 22:40:45 +00:00
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assert_eq! (actual, expected);
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}
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2023-09-25 01:40:28 +00:00
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}
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