Update how result_or_metamethod-functions work

This commit is contained in:
Sofia 2026-03-21 15:38:35 +02:00
parent 76fa290988
commit 8a50965f2e
2 changed files with 63 additions and 146 deletions

View File

@ -890,7 +890,7 @@ impl ClosureRunner {
"__concat",
lhs,
rhs,
)??),
)?),
);
}
@ -903,7 +903,7 @@ impl ClosureRunner {
"__add",
lhs,
rhs,
)??),
)?),
);
}
Instruction::Sub(res, lhs, rhs) => {
@ -915,7 +915,7 @@ impl ClosureRunner {
"__sub",
lhs,
rhs,
)??),
)?),
);
}
Instruction::Mult(res, lhs, rhs) => {
@ -927,7 +927,7 @@ impl ClosureRunner {
"__mult",
lhs,
rhs,
)??),
)?),
);
}
Instruction::Div(res, lhs, rhs) => {
@ -939,7 +939,7 @@ impl ClosureRunner {
"__div",
lhs,
rhs,
)??),
)?),
);
}
Instruction::IDiv(res, lhs, rhs) => {
@ -951,7 +951,7 @@ impl ClosureRunner {
"__idiv",
lhs,
rhs,
)??),
)?),
);
}
Instruction::Mod(res, lhs, rhs) => {
@ -963,7 +963,7 @@ impl ClosureRunner {
"__mod",
lhs,
rhs,
)??),
)?),
);
}
Instruction::Exp(res, lhs, rhs) => {
@ -975,7 +975,7 @@ impl ClosureRunner {
"__exp",
lhs,
rhs,
)??),
)?),
);
}
@ -988,7 +988,7 @@ impl ClosureRunner {
"__band",
lhs,
rhs,
)??),
)?),
);
}
Instruction::BitOr(res, lhs, rhs) => {
@ -1000,7 +1000,7 @@ impl ClosureRunner {
"__bor",
lhs,
rhs,
)??),
)?),
);
}
Instruction::BitXOr(res, lhs, rhs) => {
@ -1012,7 +1012,7 @@ impl ClosureRunner {
"__bxor",
lhs,
rhs,
)??),
)?),
);
}
Instruction::BitSRight(res, lhs, rhs) => {
@ -1024,7 +1024,7 @@ impl ClosureRunner {
"__shr",
lhs,
rhs,
)??),
)?),
);
}
Instruction::BitSLeft(res, lhs, rhs) => {
@ -1036,33 +1036,24 @@ impl ClosureRunner {
"__shl",
lhs,
rhs,
)??),
)?),
);
}
Instruction::Equal(res, lhs, rhs) => {
let (lhs, rhs) = self.lhs_and_rhs(lhs, rhs);
let metatable = match (&lhs, &rhs) {
(Value::Table { metatable, .. }, _) => Some(metatable),
(_, Value::Table { metatable, .. }) => Some(metatable),
_ => todo!(),
};
let value = if let Some(metatable) = metatable {
match self.call_metamethod(
metatable,
self.set_stack(
*res,
StackValue::Value(Value::Boolean(LuaBool(
self.result_or_metamethod_binop(
lhs.eq(&rhs),
"__eq",
vec![lhs.clone(), rhs.clone()],
) {
Ok(value) => StackValue::Value(extract_ret_value(value)?),
Err(_) => StackValue::Value(lhs.eq(&rhs)?),
}
} else {
StackValue::Value(lhs.eq(&rhs)?)
};
self.set_stack(*res, value);
lhs.clone(),
rhs.clone(),
)?
.is_truthy(),
))),
);
}
Instruction::LessThan(res, lhs, rhs) => {
let (lhs, rhs) = self.lhs_and_rhs(lhs, rhs);
@ -1074,7 +1065,7 @@ impl ClosureRunner {
"__lt",
lhs.clone(),
rhs.clone(),
)??
)?
.is_truthy(),
))),
);
@ -1089,7 +1080,7 @@ impl ClosureRunner {
"__le",
lhs.clone(),
rhs.clone(),
)??
)?
.is_truthy(),
))),
);
@ -1116,7 +1107,7 @@ impl ClosureRunner {
value.unm(),
"__unm",
value.clone(),
)??),
)?),
);
}
Instruction::Len(res, reg) => {
@ -1125,25 +1116,15 @@ impl ClosureRunner {
.get(reg)
.map(|v| v.borrow().clone())
.unwrap_or(Value::Nil);
match &value {
Value::Table { metatable, .. } => {
match self.call_metamethod(&metatable, "__len", vec![value.clone()]) {
Ok(result) => {
self.set_stack(
*res,
StackValue::Value(result?.first().unwrap().clone()),
StackValue::Value(self.result_or_metamethod_unop(
value.len(),
"__len",
value.clone(),
)?),
);
}
Err(_) => {
self.set_stack(*res, StackValue::Value(value.len()?));
}
}
}
_ => {
self.set_stack(*res, StackValue::Value(value.len()?));
}
}
}
Instruction::Not(res, reg) => {
self.set_stack(
*res,
@ -1217,32 +1198,16 @@ impl ClosureRunner {
value: Result<Value, RuntimeError>,
metamethod: &str,
param: Value,
) -> Result<Result<Value, RuntimeError>, RuntimeError> {
match value {
Ok(value) => Ok(Ok(value)),
Err(_) => match &param {
Value::Table { metatable, .. } => {
if metatable
.borrow()
.contains_key(&IndexableValue::String(metamethod.to_owned()))
{
Ok(extract_ret_value(self.call_metamethod(
metatable,
metamethod,
vec![param.clone()],
)?))
) -> Result<Value, RuntimeError> {
let metatable = extract_metatable(&param);
if let Some(metatable) = metatable {
match self.call_metamethod(metatable, metamethod, vec![param.clone()]) {
Ok(value) => extract_ret_value(value),
Err(_) => value,
}
} else {
Err(RuntimeError::InvalidUnop(
metamethod.to_owned(),
param.clone(),
))
}
}
_ => Err(RuntimeError::InvalidUnop(
metamethod.to_owned(),
param.clone(),
)),
},
value
}
}
@ -1252,71 +1217,16 @@ impl ClosureRunner {
metamethod: &str,
lhs: Value,
rhs: Value,
) -> Result<Result<Value, RuntimeError>, RuntimeError> {
match value {
Ok(value) => Ok(Ok(value)),
Err(_) => {
if let Value::Table { metatable, .. } = &lhs {
if metatable
.borrow()
.contains_key(&IndexableValue::String(metamethod.to_owned()))
{
Ok(extract_ret_value(self.call_metamethod(
&metatable,
metamethod,
vec![lhs.clone(), rhs],
)?))
} else {
if let Value::Table { metatable, .. } = &rhs {
if metatable
.borrow()
.contains_key(&IndexableValue::String(metamethod.to_owned()))
{
Ok(extract_ret_value(self.call_metamethod(
&metatable,
metamethod,
vec![lhs, rhs.clone()],
)?))
} else {
Err(RuntimeError::InvalidBinop(
metamethod.to_owned(),
lhs.clone(),
rhs.clone(),
))
) -> Result<Value, RuntimeError> {
let metatable = extract_metatable(&lhs).or(extract_metatable(&rhs));
if let Some(metatable) = metatable {
match self.call_metamethod(metatable, metamethod, vec![lhs.clone(), rhs.clone()]) {
Ok(value) => extract_ret_value(value),
Err(_) => value,
}
} else {
Err(RuntimeError::InvalidBinop(
metamethod.to_owned(),
lhs.clone(),
rhs.clone(),
))
}
}
} else if let Value::Table { metatable, .. } = &rhs {
if metatable
.borrow()
.contains_key(&IndexableValue::String(metamethod.to_owned()))
{
Ok(extract_ret_value(self.call_metamethod(
&metatable,
metamethod,
vec![lhs, rhs.clone()],
)?))
} else {
Err(RuntimeError::InvalidBinop(
metamethod.to_owned(),
lhs.clone(),
rhs.clone(),
))
}
} else {
Err(RuntimeError::InvalidBinop(
metamethod.to_owned(),
lhs.clone(),
rhs.clone(),
))
}
}
value
}
}
@ -1372,6 +1282,13 @@ impl ClosureRunner {
}
}
fn extract_metatable(value: &Value) -> Option<&Table> {
match value {
Value::Table { metatable, .. } => Some(metatable),
_ => None,
}
}
fn extract_ret_value(values: Result<Vec<Value>, RuntimeError>) -> Result<Value, RuntimeError> {
values.map(|v| v.into_iter().next().unwrap())
}

View File

@ -198,7 +198,7 @@ impl Display for Value {
Value::Integer(lua_integer) => Display::fmt(&lua_integer.0, f),
Value::Boolean(lua_bool) => Display::fmt(&lua_bool.0, f),
Value::RustFunction(ref_cell) => {
write!(f, "<RustFunction#{}>", ref_cell.borrow().as_indexable())
write!(f, "<RustFunction#{})>", ref_cell.borrow().as_indexable())
}
Value::Function(closure) => write!(f, "<function#{}>", closure.prototype),
Value::Nil => write!(f, "nil"),