♻️ refactor: State owns its Chunk now

main
_ 2023-10-01 20:31:30 -05:00
parent 700b273a11
commit db84365c27
5 changed files with 138 additions and 147 deletions

View File

@ -51,7 +51,7 @@ fn main () -> Result <(), lwvm::StepError> {
let upvalues = lwvm::State::upvalues_from_args ([exe_name].into_iter ().chain (args));
let mut vm = lwvm::State::new (&chunk, &upvalues);
let mut vm = lwvm::State::new (chunk, upvalues);
if std::env::var("LWVM_DEBUG").is_ok() {
vm.debug_print = true;
}

View File

@ -9,11 +9,9 @@ use crate::{
};
pub fn compile_bytecode_from_file (path: &str) -> Vec <u8> {
use std::{
process::{
Command,
Stdio,
},
use std::process::{
Command,
Stdio,
};
let child = Command::new ("luac5.4")

View File

@ -1,5 +1,3 @@
use std::rc::Rc;
use crate::{
instruction::Instruction,
value::{
@ -8,21 +6,21 @@ use crate::{
},
};
#[derive (Debug)]
#[derive (Clone, Debug)]
pub struct Upvalue {
pub in_stack: bool,
pub idx: u8,
pub kind: u8,
}
#[derive (Debug)]
#[derive (Clone, Debug)]
pub struct Block {
pub instructions: Vec <Instruction>,
pub constants: Vec <Value>,
pub upvalues: Vec <Upvalue>,
}
#[derive (Debug)]
#[derive (Clone, Debug)]
pub struct Chunk {
pub blocks: Vec <Block>,
}
@ -47,7 +45,7 @@ pub struct Breakpoint {
}
#[derive (Debug)]
pub struct State <'a> {
pub struct State {
pub registers: Vec <Value>,
// Currently only used for native function calls
top: usize,
@ -55,8 +53,8 @@ pub struct State <'a> {
pub debug_print: bool,
step_count: u32,
chunk: &'a Chunk,
upvalues: &'a [Value],
chunk: Chunk,
upvalues: Vec <Value>,
}
fn lw_io_write (l: &mut State, num_args: usize) -> usize {
@ -142,8 +140,8 @@ pub struct StepError {
msg: &'static str,
}
impl <'a> State <'a> {
pub fn new (chunk: &'a Chunk, upvalues: &'a [Value]) -> Self {
impl State {
pub fn new (chunk: Chunk, upvalues: Vec <Value>) -> Self {
Self {
// TODO: Stack is actually supposed to grow to a limit of
// idk 10,000. I thought it was fixed at 256.
@ -232,11 +230,10 @@ impl <'a> State <'a> {
pub fn step (&mut self) -> Result <Option <StepOutput>, StepError>
{
let chunk = self.chunk;
self.step_count += 1;
let frame = self.stack.last_mut ().unwrap ().clone ();
let block = chunk.blocks.get (frame.block_idx).unwrap ();
let block = self.chunk.blocks.get (frame.block_idx).unwrap ();
let mut next_pc = frame.program_counter;
@ -256,10 +253,10 @@ impl <'a> State <'a> {
self.make_step_error (msg, instruction)
};
match instruction {
match instruction.clone () {
Instruction::Add (a, b, c) => {
let v_b = self.reg (*b);
let v_c = self.reg (*c);
let v_b = self.reg (b);
let v_c = self.reg (c);
let x = if let (Some (v_b), Some (v_c)) = (v_b.as_int (), v_c.as_int ())
{
@ -271,24 +268,24 @@ impl <'a> State <'a> {
Value::from (v_b + v_c)
};
*self.reg_mut (*a) = x;
*self.reg_mut (a) = x;
},
Instruction::AddI (a, b, s_c) => {
let v_b = self.reg (*b);
let v_b = self.reg (b);
let x = if let Some (v_b) = v_b.as_int ()
{
Value::from (v_b + *s_c as i64)
Value::from (v_b + s_c as i64)
}
else {
let v_b = v_b.as_float ().unwrap_or_else (|| panic! ("{v_b}"));
Value::from (v_b + f64::from (*s_c))
Value::from (v_b + f64::from (s_c))
};
*self.reg_mut (*a) = x;
*self.reg_mut (a) = x;
},
Instruction::Call (a, b, c) => {
let b = usize::from (*b);
let b = usize::from (b);
// Take arguments from registers [a + 1, a + b)
// Call the function in register [a]
@ -301,7 +298,7 @@ impl <'a> State <'a> {
// Do a clone here to avoid a borow problem.
// Should be fixable with more clever code.
let v_a = self.reg (*a).clone ();
let v_a = self.reg (a).clone ();
match v_a {
Value::BogusClosure (rc) => {
@ -315,7 +312,7 @@ impl <'a> State <'a> {
self.stack.push (StackFrame {
program_counter: 0,
block_idx: target_block,
register_offset: current_frame.register_offset + *a as usize + 1,
register_offset: current_frame.register_offset + a as usize + 1,
});
if self.debug_print {
@ -329,7 +326,7 @@ impl <'a> State <'a> {
},
Value::RsFunc (x) => {
let current_frame = self.stack.last ().unwrap ();
let new_offset = current_frame.register_offset + usize::from (*a) + 1;
let new_offset = current_frame.register_offset + usize::from (a) + 1;
// Trash the stack frame so it doesn't point to a
// valid Lua function
@ -340,7 +337,7 @@ impl <'a> State <'a> {
});
let num_args = if b == 0 {
self.top - *a as usize
self.top - a as usize
}
else {
b - 1
@ -357,7 +354,7 @@ impl <'a> State <'a> {
}
// Set up top for the next call
if *c == 0 {
if c == 0 {
self.top = popped_frame.register_offset - 1 + num_results;
}
},
@ -367,10 +364,10 @@ impl <'a> State <'a> {
}
},
Instruction::Closure (a, b) => {
let b = usize::try_from (*b).unwrap ();
let b = usize::try_from (b).unwrap ();
let idx = frame.block_idx + b + 1;
let block = &chunk.blocks [idx];
let block = &self.chunk.blocks [idx];
let mut new_upvalues = Vec::with_capacity (block.upvalues.len ());
for uv in &block.upvalues {
@ -384,31 +381,31 @@ impl <'a> State <'a> {
new_upvalues.push (val);
}
*self.reg_mut (*a) = Value::from (BogusClosure {
*self.reg_mut (a) = Value::from (BogusClosure {
idx,
upvalues: new_upvalues,
});
},
Instruction::Div (a, b, c) => {
let v_b = self.reg (*b);
let v_c = self.reg (*c);
let v_b = self.reg (b);
let v_c = self.reg (c);
let v_b = v_b.as_float ().unwrap_or_else (|| panic! ("{v_b}"));
let v_c = v_c.as_float ().ok_or_else (|| make_step_error ("C must be a number"))?;
*self.reg_mut (*a) = Value::from (v_b / v_c);
*self.reg_mut (a) = Value::from (v_b / v_c);
},
Instruction::EqI (a, sb, k_flag) => {
if (self.reg (*a).as_int ().unwrap () == *sb as i64) != *k_flag
if (self.reg (a).as_int ().unwrap () == sb as i64) != k_flag
{
next_pc += 1;
}
},
Instruction::EqK (a, b, k_flag) => {
let b = usize::from (*b);
let b = usize::from (b);
if (*self.reg (*a) == k [b]) != *k_flag {
if (*self.reg (a) == k [b]) != k_flag {
next_pc += 1;
}
},
@ -416,60 +413,60 @@ impl <'a> State <'a> {
// This is used for NewTable. Maybe it's for reserving
// capacity in the array or something?
assert_eq! (*ax, 0, "implemented only for ax == 0");
assert_eq! (ax, 0, "implemented only for ax == 0");
},
Instruction::ForLoop (a, bx) => {
let mut iter = self.reg (*a + 3).as_int ().unwrap ();
let mut iter = self.reg (a + 3).as_int ().unwrap ();
iter += 1;
*self.reg_mut (*a + 3) = iter.into ();
*self.reg_mut (a + 3) = iter.into ();
let stop = self.reg (*a + 1).as_int ().unwrap ();
let stop = self.reg (a + 1).as_int ().unwrap ();
if iter <= stop {
next_pc -= i32::try_from (*bx).unwrap ();
next_pc -= i32::try_from (bx).unwrap ();
}
},
Instruction::ForPrep (a, bx) => {
let start = self.reg (*a).as_int ().unwrap ();
let stop = self.reg (*a + 1).as_int ().unwrap ();
let start = self.reg (a).as_int ().unwrap ();
let stop = self.reg (a + 1).as_int ().unwrap ();
if start > stop {
next_pc += i32::try_from (*bx).unwrap () + 1;
next_pc += i32::try_from (bx).unwrap () + 1;
}
*self.reg_mut (*a + 3) = start.into ();
*self.reg_mut (a + 3) = start.into ();
},
Instruction::GetField (a, b, c) => {
let t = match self.reg (*b) {
let t = match self.reg (b) {
Value::Nil => Err (make_step_error ("R[B] must not be nil"))?,
Value::Table (t) => t,
_ => Err (make_step_error ("R[B] must be a table"))?,
};
let key = match &k [usize::from (*c)] {
let key = match &k [usize::from (c)] {
Value::String (s) => s,
_ => panic! ("K[C] must be a string"),
};
let val = t.borrow ().get_str (key.as_str ()).clone ();
*self.reg_mut (*a) = val;
*self.reg_mut (a) = val;
},
Instruction::GetTable (a, b, c) => {
let t = match self.reg (*b) {
let t = match self.reg (b) {
Value::Table (t) => t,
_ => panic! ("R[B] must be a table"),
};
let key = self.reg (*c);
let key = self.reg (c);
let val = t.borrow ().get (key.clone ());
*self.reg_mut (*a) = val;
*self.reg_mut (a) = val;
},
Instruction::GetTabUp (a, b, c) => {
let b = usize::try_from (*b).unwrap ();
let c = usize::try_from (*c).unwrap ();
let b = usize::try_from (b).unwrap ();
let c = usize::try_from (c).unwrap ();
// If we're inside a closure, use its upvalues
// instead of the chunk's upvalues
@ -495,17 +492,17 @@ impl <'a> State <'a> {
_ => panic! ("GetTabUp only supports string keys"),
};
*self.reg_mut (*a) = table.get (key);
*self.reg_mut (a) = table.get (key);
},
Instruction::GetI (a, b, c) => {
let key = i64::try_from (*c).unwrap ();
let key = i64::try_from (c).unwrap ();
let value = {
let table = self.reg (*b).as_table ().expect ("GetI only works on tables").borrow ();
let table = self.reg (b).as_table ().expect ("GetI only works on tables").borrow ();
table.get_int (key)
};
*self.reg_mut (*a) = value;
*self.reg_mut (a) = value;
},
Instruction::GetUpVal (a, b) => {
let this_func = self.stack.last ().unwrap ().register_offset - 1;
@ -514,20 +511,20 @@ impl <'a> State <'a> {
_ => panic! ("Can't do GetUpVal outside a closure"),
};
let b = usize::try_from (*b).unwrap ();
let b = usize::try_from (b).unwrap ();
let upvalue = match closure.borrow ().upvalues.get (b) {
Some (x) => x.clone (),
None => {
dbg! (chunk, &self);
dbg! (&self);
panic! ("Missing upvalue");
}
};
*self.reg_mut (*a) = upvalue;
*self.reg_mut (a) = upvalue;
},
Instruction::Jmp (s_j) => next_pc += s_j,
Instruction::Len (a, b) => {
let len = match self.reg (*b) {
let len = match self.reg (b) {
Value::BogusClosure (_) => Err (make_step_error ("attempt to get length of a function value"))?,
Value::Boolean (_) => Err (make_step_error ("attempt to get length of a boolean value"))?,
Value::Float (_) => Err (make_step_error ("attempt to get length of a number value"))?,
@ -538,31 +535,31 @@ impl <'a> State <'a> {
Value::Table (t) => t.borrow ().length ().into (),
};
*self.reg_mut (*a) = len;
*self.reg_mut (a) = len;
}
Instruction::LoadF (a, sbx) => {
*self.reg_mut (*a) = Value::Float (*sbx as f64);
*self.reg_mut (a) = Value::Float (sbx as f64);
}
Instruction::LoadFalse (a) => {
*self.reg_mut (*a) = false.into ();
*self.reg_mut (a) = false.into ();
},
Instruction::LoadI (a, sbx) => {
*self.reg_mut (*a) = Value::Integer (*sbx as i64);
*self.reg_mut (a) = Value::Integer (sbx as i64);
},
Instruction::LoadK (a, bx) => {
let bx = usize::try_from (*bx).unwrap ();
let bx = usize::try_from (bx).unwrap ();
*self.reg_mut (*a) = k [bx].clone ();
*self.reg_mut (a) = k [bx].clone ();
},
Instruction::LoadNil (a) => {
*self.reg_mut (*a) = Value::Nil;
*self.reg_mut (a) = Value::Nil;
},
Instruction::LoadTrue (a) => {
*self.reg_mut (*a) = true.into ();
*self.reg_mut (a) = true.into ();
},
Instruction::MmBin (a, b, _c) => {
let a = self.reg (*a);
let b = self.reg (*b);
let a = self.reg (a);
let b = self.reg (b);
if a.as_float().is_some() && b.as_float().is_some () {
// No need for metamethods
@ -578,20 +575,20 @@ impl <'a> State <'a> {
// Ignore
},
Instruction::ModK (a, b, c) => {
let b = self.reg (*b).as_int().unwrap ();
let c = k [usize::from (*c)].as_int ().unwrap ();
let b = self.reg (b).as_int().unwrap ();
let c = k [usize::from (c)].as_int ().unwrap ();
*self.reg_mut (*a) = (b % c).into ();
*self.reg_mut (a) = (b % c).into ();
},
Instruction::Move (a, b) => {
// If the value in b is deleted instead of duplicated,
// a bunch of tests fail
*self.reg_mut (*a) = self.reg (*b).clone ();
*self.reg_mut (a) = self.reg (b).clone ();
},
Instruction::Mul (a, b, c) => {
let v_b = self.reg (*b);
let v_c = self.reg (*c);
let v_b = self.reg (b);
let v_c = self.reg (c);
let x = if let (Some (v_b), Some (v_c)) = (v_b.as_int (), v_c.as_int ())
{
@ -603,11 +600,11 @@ impl <'a> State <'a> {
Value::from (v_b * v_c)
};
*self.reg_mut (*a) = x;
*self.reg_mut (a) = x;
},
Instruction::MulK (a, b, c) => {
let v_b = self.reg (*b);
let v_c = &k [usize::from (*c)];
let v_b = self.reg (b);
let v_c = &k [usize::from (c)];
let x = if let (Some (v_b), Some (v_c)) = (v_b.as_int (), v_c.as_int ())
{
@ -619,30 +616,30 @@ impl <'a> State <'a> {
Value::from (v_b * v_c)
};
*self.reg_mut (*a) = x;
*self.reg_mut (a) = x;
},
Instruction::NewTable (a) => {
*self.reg_mut (*a) = Value::Table (Default::default ());
*self.reg_mut (a) = Value::Table (Default::default ());
},
Instruction::Not (a, b) => {
*self.reg_mut (*a) = Value::Boolean (! self.reg (*b).is_truthy());
*self.reg_mut (a) = Value::Boolean (! self.reg (b).is_truthy());
}
Instruction::Return (a, b, _c, k) => {
let a = usize::try_from (*a).unwrap ();
let b = usize::try_from (*b).unwrap ();
Instruction::Return (a, b, _c, k_flag) => {
let a = usize::try_from (a).unwrap ();
let b = usize::try_from (b).unwrap ();
let popped_frame = self.stack.pop ().unwrap ();
// Build closure if needed. No point building if we're
// popping the last frame and exiting the program.
if *k && ! self.stack.is_empty () {
if k_flag && ! self.stack.is_empty () {
let closure_idx = match &self.registers [popped_frame.register_offset + a] {
Value::BogusClosure (rc) => rc.borrow ().idx,
_ => panic! ("Impossible"),
};
let upvalue_count = chunk.blocks [closure_idx].upvalues.len ();
let upvalue_count = self.chunk.blocks [closure_idx].upvalues.len ();
let start_reg = a + popped_frame.register_offset - upvalue_count;
@ -690,7 +687,7 @@ impl <'a> State <'a> {
self.top = popped_frame.register_offset - 1 + 0;
},
Instruction::Return1 (a) => {
let a = usize::try_from (*a).unwrap ();
let a = usize::try_from (a).unwrap ();
let popped_frame = self.stack.pop ().unwrap ();
@ -715,58 +712,58 @@ impl <'a> State <'a> {
self.top = popped_frame.register_offset - 1 + 1;
},
Instruction::SetField (a, b, c, k_flag) => {
let value = if *k_flag {
&k [usize::from (*c)]
let value = if k_flag {
&k [usize::from (c)]
}
else {
self.reg (*c)
self.reg (c)
}
.clone ();
let b = usize::try_from (*b).unwrap ();
let b = usize::try_from (b).unwrap ();
let key = match k.get (b).unwrap () {
Value::String (s) => s.as_ref (),
_ => panic! ("SetField only supports string keys"),
};
let mut dst = self.reg (*a).as_table ()
let mut dst = self.reg (a).as_table ()
.expect ("SetField only works on tables").borrow_mut ();
dst.insert_str (key.as_str (), value);
},
Instruction::SetI (a, b, c, k_flag) => {
let value = if *k_flag {
&k [usize::from (*c)]
let value = if k_flag {
&k [usize::from (c)]
}
else {
self.reg (*c)
self.reg (c)
}
.clone ();
let mut dst = self.reg_mut (*a).as_table ().expect ("SetI only works on tables").borrow_mut ();
let mut dst = self.reg_mut (a).as_table ().expect ("SetI only works on tables").borrow_mut ();
dst.insert_int (i64::from (*b), value);
dst.insert_int (i64::from (b), value);
},
Instruction::SetList (a, b, c, k) => {
if *b == 0 {
Instruction::SetList (a, b, c, k_flag) => {
if b == 0 {
panic! ("SetList with b == 0 not implemented");
}
if *k {
if k_flag {
panic! ("SetList with k = true not implemented");
}
let mut dst = self.reg (*a).as_table ().expect ("SetList only works on tables").borrow_mut ();
let mut dst = self.reg (a).as_table ().expect ("SetList only works on tables").borrow_mut ();
for i in 1..=*b {
let src = self.reg (*a + i);
dst.insert_int (i64::from (*c + i), src.clone ());
for i in 1..=b {
let src = self.reg (a + i);
dst.insert_int (i64::from (c + i), src.clone ());
}
},
Instruction::SetTabUp (_a, _b, _c) => unimplemented! (),
Instruction::Sub (a, b, c) => {
let v_b = self.reg (*b);
let v_c = self.reg (*c);
let v_b = self.reg (b);
let v_c = self.reg (c);
let x = if let (Some (v_b), Some (v_c)) = (v_b.as_int (), v_c.as_int ())
{
@ -778,10 +775,10 @@ impl <'a> State <'a> {
Value::from (v_b - v_c)
};
*self.reg_mut (*a) = x;
*self.reg_mut (a) = x;
},
Instruction::TailCall (a, b, c, k) => {
let a = usize::from (*a);
let a = usize::from (a);
assert! (!k, "closing over values in tail calls not implemented");
let offset = frame.register_offset;
@ -792,7 +789,7 @@ impl <'a> State <'a> {
// Shift inputs into place
let b = usize::from (*b);
let b = usize::from (b);
let num_args = if b == 0 {
self.top - a
@ -816,7 +813,7 @@ impl <'a> State <'a> {
},
Value::RsFunc (x) => {
// Shift inputs into place
let b = usize::from (*b);
let b = usize::from (b);
for i in (offset)..(offset + b) {
self.registers [i] = self.registers [i + a + 1].take ();
}
@ -847,7 +844,7 @@ impl <'a> State <'a> {
}
else {
// Set up top for the next call
if *c == 0 {
if c == 0 {
self.top = popped_frame.register_offset - 1 + num_results;
}
}
@ -858,13 +855,13 @@ impl <'a> State <'a> {
},
}
},
Instruction::Test (a, k) => {
if self.reg (*a).is_truthy() != *k {
Instruction::Test (a, k_flag) => {
if self.reg (a).is_truthy() != k_flag {
next_pc += 1;
}
},
Instruction::UnM (a, b) => {
let v_b = self.reg (*b);
let v_b = self.reg (b);
let x = if let Some (v_b) = v_b.as_int ()
{
@ -875,7 +872,7 @@ impl <'a> State <'a> {
Value::from (-v_b)
};
*self.reg_mut (*a) = x;
*self.reg_mut (a) = x;
},
Instruction::VarArgPrep (_) => (),
}

View File

@ -22,9 +22,9 @@ fn calculate_hash<T: Hash>(t: &T) -> u64 {
/// Takes arguments and a parsed Lua chunk, runs its,
/// and returns the output
fn run_chunk (args: &[&str], chunk: &Chunk) -> Vec <Value> {
fn run_chunk (args: &[&str], chunk: Chunk) -> Vec <Value> {
let upvalues = State::upvalues_from_args (args.into_iter ().map (|s| s.to_string ()));
let mut vm = State::new (chunk, &upvalues);
let mut vm = State::new (chunk, upvalues);
vm.execute_chunk (&[]).unwrap ()
}
@ -33,7 +33,7 @@ fn run_chunk (args: &[&str], chunk: &Chunk) -> Vec <Value> {
fn run_bytecode (args: &[&str], bc: &[u8]) -> Vec <Value> {
let chunk = loader::parse_chunk_from_bytes (&bc).unwrap ();
run_chunk (args, &chunk)
run_chunk (args, chunk)
}
/// Takes arguments and Lua source code,
@ -119,7 +119,7 @@ fn bools () {
let expected: Vec <Value> = expected;
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
let mut vm = State::new (&chunk, &upvalues);
let mut vm = State::new (chunk.clone (), upvalues);
let actual = vm.execute_chunk (&[]).unwrap ();
assert_eq! (actual, expected);
}
@ -131,7 +131,7 @@ fn closure () {
let bytecode = &crate::loader::compile_bytecode_from_stdin (source.to_vec ());
let chunk = crate::loader::parse_chunk_from_bytes (bytecode).unwrap ();
assert_eq! (run_chunk (&["_exe_name"], &chunk), vec! [Value::from (23i64)]);
assert_eq! (run_chunk (&["_exe_name"], chunk), vec! [Value::from (23i64)]);
}
#[test]
@ -175,7 +175,7 @@ fn floats () {
] {
let expected: Vec <Value> = expected;
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
let mut vm = State::new (&chunk, &upvalues);
let mut vm = State::new (chunk.clone (), upvalues);
let actual = vm.execute_chunk (&[]).unwrap ();
assert_eq! (actual, expected);
@ -191,17 +191,13 @@ fn fma () {
assert_eq! (chunk.blocks [3].upvalues.len (), 2);
for (arg, expected) in [
(vec! ["_exe_name"], vec! [122.into ()]),
(vec! ["_exe_name"], vec! [122.into ()]),
] {
let expected: Vec <Value> = expected;
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
let mut vm = State::new (&chunk, &upvalues);
let actual = vm.execute_chunk (&[]).unwrap ();
assert_eq! (actual, expected);
}
let arg = vec! ["_exe_name"];
let upvalues = State::upvalues_from_args (arg.into_iter ().map (|s| s.to_string ()));
let mut vm = State::new (chunk, upvalues);
let actual = vm.execute_chunk (&[]).unwrap ();
let expected = vec! [Value::from (122)];
assert_eq! (actual, expected);
}
#[test]
@ -286,22 +282,22 @@ fn is_93 () {
let run = run_chunk;
assert_eq! (run (&[""], &chunk), vec! [Value::from (1)]);
assert_eq! (run (&["", "93"], &chunk), vec! [Value::from (0)]);
assert_eq! (run (&["", "94"], &chunk), vec! [Value::from (1)]);
assert_eq! (run (&[""], chunk.clone ()), vec! [Value::from (1)]);
assert_eq! (run (&["", "93"], chunk.clone ()), vec! [Value::from (0)]);
assert_eq! (run (&["", "94"], chunk.clone ()), vec! [Value::from (1)]);
}
#[test]
fn native_functions () {
fn add (l: &mut State) -> i32 {
fn add (_: &mut State) -> i32 {
0
}
fn multiply (l: &mut State) -> i32 {
fn multiply (_: &mut State) -> i32 {
0
}
fn greet (l: &mut State) -> i32 {
fn greet (_: &mut State) -> i32 {
0
}
@ -372,7 +368,7 @@ fn tailcall () {
assert_eq! (chunk.blocks [0].instructions [3], Instruction::TailCall (0, 2, 1, false));
let actual = run_chunk (&[], &chunk);
let actual = run_chunk (&[], chunk);
let expected = vec! [Value::from (5)];
assert_eq! (actual, expected);

View File

@ -35,7 +35,7 @@ fn embedding () {
Value::from_iter (env.into_iter ()),
];
let mut vm = State::new (&chunk, &upvalues);
let mut vm = State::new (chunk, upvalues);
let output = vm.execute_chunk (&vec! []).unwrap ();
assert_eq! (output, vec! [Value::from (2019)]);