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Refactor to use more let-else bindings #366

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sb10q merged 1 commits from refactor/let-else into master 2023-12-12 16:48:44 +08:00
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16 changed files with 2227 additions and 2270 deletions
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256
nac3artiq/src/codegen.rs
View File

@ -215,148 +215,148 @@ impl<'b> CodeGenerator for ArtiqCodeGenerator<'b> {
ctx: &mut CodeGenContext<'_, '_>,
stmt: &Stmt<Option<Type>>,
) -> Result<(), String> {
if let StmtKind::With { items, body, .. } = &stmt.node {
if items.len() == 1 && items[0].optional_vars.is_none() {
let item = &items[0];
let StmtKind::With { items, body, .. } = &stmt.node else {
unreachable!()
};
// Behavior of parallel and sequential:
// Each function call (indirectly, can be inside a sequential block) within a parallel
// block will update the end variable to the maximum now_mu in the block.
// Each function call directly inside a parallel block will reset the timeline after
// execution. A parallel block within a sequential block (or not within any block) will
// set the timeline to the max now_mu within the block (and the outer max now_mu will also
// be updated).
//
// Implementation: We track the start and end separately.
// - If there is a start variable, it indicates that we are directly inside a
// parallel block and we have to reset the timeline after every function call.
// - If there is a end variable, it indicates that we are (indirectly) inside a
// parallel block, and we should update the max end value.
if let ExprKind::Name { id, ctx: name_ctx } = &item.context_expr.node {
if id == &"parallel".into() || id == &"legacy_parallel".into() {
let old_start = self.start.take();
let old_end = self.end.take();
let old_parallel_mode = self.parallel_mode;
if items.len() == 1 && items[0].optional_vars.is_none() {
let item = &items[0];
let now = if let Some(old_start) = &old_start {
self.gen_expr(ctx, old_start)?
.unwrap()
.to_basic_value_enum(ctx, self, old_start.custom.unwrap())?
} else {
self.timeline.emit_now_mu(ctx)
};
// Behavior of parallel and sequential:
// Each function call (indirectly, can be inside a sequential block) within a parallel
// block will update the end variable to the maximum now_mu in the block.
// Each function call directly inside a parallel block will reset the timeline after
// execution. A parallel block within a sequential block (or not within any block) will
// set the timeline to the max now_mu within the block (and the outer max now_mu will also
// be updated).
//
// Implementation: We track the start and end separately.
// - If there is a start variable, it indicates that we are directly inside a
// parallel block and we have to reset the timeline after every function call.
// - If there is a end variable, it indicates that we are (indirectly) inside a
// parallel block, and we should update the max end value.
if let ExprKind::Name { id, ctx: name_ctx } = &item.context_expr.node {
if id == &"parallel".into() || id == &"legacy_parallel".into() {
let old_start = self.start.take();
let old_end = self.end.take();
let old_parallel_mode = self.parallel_mode;
// Emulate variable allocation, as we need to use the CodeGenContext
// HashMap to store our variable due to lifetime limitation
// Note: we should be able to store variables directly if generic
// associative type is used by limiting the lifetime of CodeGenerator to
// the LLVM Context.
// The name is guaranteed to be unique as users cannot use this as variable
// name.
self.start = old_start.clone().map_or_else(
|| {
let start = format!("with-{}-start", self.name_counter).into();
let start_expr = Located {
// location does not matter at this point
location: stmt.location,
node: ExprKind::Name { id: start, ctx: name_ctx.clone() },
custom: Some(ctx.primitives.int64),
};
let start = self
.gen_store_target(ctx, &start_expr, Some("start.addr"))?
.unwrap();
ctx.builder.build_store(start, now);
Ok(Some(start_expr)) as Result<_, String>
},
|v| Ok(Some(v)),
)?;
let end = format!("with-{}-end", self.name_counter).into();
let end_expr = Located {
// location does not matter at this point
location: stmt.location,
node: ExprKind::Name { id: end, ctx: name_ctx.clone() },
custom: Some(ctx.primitives.int64),
};
let end = self
.gen_store_target(ctx, &end_expr, Some("end.addr"))?
.unwrap();
ctx.builder.build_store(end, now);
self.end = Some(end_expr);
self.name_counter += 1;
self.parallel_mode = match id.to_string().as_str() {
"parallel" => ParallelMode::Deep,
"legacy_parallel" => ParallelMode::Legacy,
_ => unreachable!(),
};
self.gen_block(ctx, body.iter())?;
let current = ctx.builder.get_insert_block().unwrap();
// if the current block is terminated, move before the terminator
// we want to set the timeline before reaching the terminator
// TODO: This may be unsound if there are multiple exit paths in the
// block... e.g.
// if ...:
// return
// Perhaps we can fix this by using actual with block?
let reset_position = if let Some(terminator) = current.get_terminator() {
ctx.builder.position_before(&terminator);
true
} else {
false
};
// set duration
let end_expr = self.end.take().unwrap();
let end_val = self
.gen_expr(ctx, &end_expr)?
let now = if let Some(old_start) = &old_start {
self.gen_expr(ctx, old_start)?
.unwrap()
.to_basic_value_enum(ctx, self, end_expr.custom.unwrap())?;
.to_basic_value_enum(ctx, self, old_start.custom.unwrap())?
} else {
self.timeline.emit_now_mu(ctx)
};
// inside a sequential block
if old_start.is_none() {
self.timeline.emit_at_mu(ctx, end_val);
}
// Emulate variable allocation, as we need to use the CodeGenContext
// HashMap to store our variable due to lifetime limitation
// Note: we should be able to store variables directly if generic
// associative type is used by limiting the lifetime of CodeGenerator to
// the LLVM Context.
// The name is guaranteed to be unique as users cannot use this as variable
// name.
self.start = old_start.clone().map_or_else(
|| {
let start = format!("with-{}-start", self.name_counter).into();
let start_expr = Located {
// location does not matter at this point
location: stmt.location,
node: ExprKind::Name { id: start, ctx: name_ctx.clone() },
custom: Some(ctx.primitives.int64),
};
let start = self
.gen_store_target(ctx, &start_expr, Some("start.addr"))?
.unwrap();
ctx.builder.build_store(start, now);
Ok(Some(start_expr)) as Result<_, String>
},
|v| Ok(Some(v)),
)?;
let end = format!("with-{}-end", self.name_counter).into();
let end_expr = Located {
// location does not matter at this point
location: stmt.location,
node: ExprKind::Name { id: end, ctx: name_ctx.clone() },
custom: Some(ctx.primitives.int64),
};
let end = self
.gen_store_target(ctx, &end_expr, Some("end.addr"))?
.unwrap();
ctx.builder.build_store(end, now);
self.end = Some(end_expr);
self.name_counter += 1;
self.parallel_mode = match id.to_string().as_str() {
"parallel" => ParallelMode::Deep,
"legacy_parallel" => ParallelMode::Legacy,
_ => unreachable!(),
};
// inside a parallel block, should update the outer max now_mu
self.timeline_update_end_max(ctx, old_end.clone(), Some("outer.end"))?;
self.gen_block(ctx, body.iter())?;
self.parallel_mode = old_parallel_mode;
self.end = old_end;
self.start = old_start;
let current = ctx.builder.get_insert_block().unwrap();
if reset_position {
ctx.builder.position_at_end(current);
}
// if the current block is terminated, move before the terminator
// we want to set the timeline before reaching the terminator
// TODO: This may be unsound if there are multiple exit paths in the
// block... e.g.
// if ...:
// return
// Perhaps we can fix this by using actual with block?
let reset_position = if let Some(terminator) = current.get_terminator() {
ctx.builder.position_before(&terminator);
true
} else {
false
};
return Ok(());
} else if id == &"sequential".into() {
// For deep parallel, temporarily take away start to avoid function calls in
// the block from resetting the timeline.
// This does not affect legacy parallel, as the timeline will be reset after
// this block finishes execution.
let start = self.start.take();
self.gen_block(ctx, body.iter())?;
self.start = start;
// set duration
let end_expr = self.end.take().unwrap();
let end_val = self
.gen_expr(ctx, &end_expr)?
.unwrap()
.to_basic_value_enum(ctx, self, end_expr.custom.unwrap())?;
// Reset the timeline when we are exiting the sequential block
// Legacy parallel does not need this, since it will be reset after codegen
// for this statement is completed
if self.parallel_mode == ParallelMode::Deep {
self.timeline_reset_start(ctx)?;
}
return Ok(());
// inside a sequential block
if old_start.is_none() {
self.timeline.emit_at_mu(ctx, end_val);
}
// inside a parallel block, should update the outer max now_mu
self.timeline_update_end_max(ctx, old_end.clone(), Some("outer.end"))?;
self.parallel_mode = old_parallel_mode;
self.end = old_end;
self.start = old_start;
if reset_position {
ctx.builder.position_at_end(current);
}
return Ok(());
} else if id == &"sequential".into() {
// For deep parallel, temporarily take away start to avoid function calls in
// the block from resetting the timeline.
// This does not affect legacy parallel, as the timeline will be reset after
// this block finishes execution.
let start = self.start.take();
self.gen_block(ctx, body.iter())?;
self.start = start;
// Reset the timeline when we are exiting the sequential block
// Legacy parallel does not need this, since it will be reset after codegen
// for this statement is completed
if self.parallel_mode == ParallelMode::Deep {
self.timeline_reset_start(ctx)?;
}
return Ok(());
}
}
// not parallel/sequential
gen_with(self, ctx, stmt)
} else {
unreachable!()
}
// not parallel/sequential
gen_with(self, ctx, stmt)
}
}

13
nac3artiq/src/lib.rs
View File

@ -533,14 +533,13 @@ impl Nac3 {
let instance = {
let defs = top_level.definitions.read();
let mut definition = defs[def_id.0].write();
if let TopLevelDef::Function { instance_to_stmt, instance_to_symbol, .. } =
&mut *definition
{
instance_to_symbol.insert(String::new(), "__modinit__".into());
instance_to_stmt[""].clone()
} else {
let TopLevelDef::Function { instance_to_stmt, instance_to_symbol, .. } =
&mut *definition else {
unreachable!()
}
};
instance_to_symbol.insert(String::new(), "__modinit__".into());
instance_to_stmt[""].clone()
};
let task = CodeGenTask {

223
nac3artiq/src/symbol_resolver.rs
View File

@ -311,37 +311,37 @@ impl InnerResolver {
unreachable!("none cannot be typeid")
} else if let Some(def_id) = self.pyid_to_def.read().get(&ty_id).copied() {
let def = defs[def_id.0].read();
if let TopLevelDef::Class { object_id, type_vars, fields, methods, .. } = &*def {
// do not handle type var param and concrete check here, and no subst
Ok(Ok({
let ty = TypeEnum::TObj {
obj_id: *object_id,
params: type_vars
.iter()
.map(|x| {
if let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*x) {
(*id, *x)
} else {
unreachable!()
}
})
.collect(),
fields: {
let mut res = methods
.iter()
.map(|(iden, ty, _)| (*iden, (*ty, false)))
.collect::<HashMap<_, _>>();
res.extend(fields.clone().into_iter().map(|x| (x.0, (x.1, x.2))));
res
},
};
// here also false, later instantiation use python object to check compatible
(unifier.add_ty(ty), false)
}))
} else {
let TopLevelDef::Class { object_id, type_vars, fields, methods, .. } = &*def else {
// only object is supported, functions are not supported
unreachable!("function type is not supported, should not be queried")
}
};
// do not handle type var param and concrete check here, and no subst
Ok(Ok({
let ty = TypeEnum::TObj {
obj_id: *object_id,
params: type_vars
.iter()
.map(|x| {
let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*x) else {
unreachable!()
};
(*id, *x)
})
.collect(),
fields: {
let mut res = methods
.iter()
.map(|(iden, ty, _)| (*iden, (*ty, false)))
.collect::<HashMap<_, _>>();
res.extend(fields.clone().into_iter().map(|x| (x.0, (x.1, x.2))));
res
},
};
// here also false, later instantiation use python object to check compatible
(unifier.add_ty(ty), false)
}))
} else if ty_ty_id == self.primitive_ids.typevar {
let name: &str = pyty.getattr("__name__").unwrap().extract().unwrap();
let (constraint_types, is_const_generic) = {
@ -652,23 +652,23 @@ impl InnerResolver {
// if is `none`
let zelf_id: u64 = self.helper.id_fn.call1(py, (obj,))?.extract(py)?;
if zelf_id == self.primitive_ids.none {
if let TypeEnum::TObj { params, .. } =
unifier.get_ty_immutable(primitives.option).as_ref()
{
let var_map = params
.iter()
.map(|(id_var, ty)| {
if let TypeEnum::TVar { id, range, name, loc, .. } = &*unifier.get_ty(*ty) {
assert_eq!(*id, *id_var);
(*id, unifier.get_fresh_var_with_range(range, *name, *loc).0)
} else {
unreachable!()
}
})
.collect::<HashMap<_, _>>();
return Ok(Ok(unifier.subst(primitives.option, &var_map).unwrap()))
}
unreachable!("must be tobj")
let ty_enum = unifier.get_ty_immutable(primitives.option);
let TypeEnum::TObj { params, .. } = ty_enum.as_ref() else {
unreachable!("must be tobj")
};
let var_map = params
.iter()
.map(|(id_var, ty)| {
let TypeEnum::TVar { id, range, name, loc, .. } = &*unifier.get_ty(*ty) else {
unreachable!()
};
assert_eq!(*id, *id_var);
(*id, unifier.get_fresh_var_with_range(range, *name, *loc).0)
})
.collect::<HashMap<_, _>>();
return Ok(Ok(unifier.subst(primitives.option, &var_map).unwrap()))
}
let ty = match self.get_obj_type(py, field_data, unifier, defs, primitives)? {
@ -688,14 +688,13 @@ impl InnerResolver {
let var_map = params
.iter()
.map(|(id_var, ty)| {
if let TypeEnum::TVar { id, range, name, loc, .. } =
&*unifier.get_ty(*ty)
{
assert_eq!(*id, *id_var);
(*id, unifier.get_fresh_var_with_range(range, *name, *loc).0)
} else {
let TypeEnum::TVar { id, range, name, loc, .. } =
&*unifier.get_ty(*ty) else {
unreachable!()
}
};
assert_eq!(*id, *id_var);
(*id, unifier.get_fresh_var_with_range(range, *name, *loc).0)
})
.collect::<HashMap<_, _>>();
let mut instantiate_obj = || {
@ -900,28 +899,29 @@ impl InnerResolver {
Ok(Some(global.as_pointer_value().into()))
} else if ty_id == self.primitive_ids.tuple {
if let TypeEnum::TTuple { ty } = ctx.unifier.get_ty_immutable(expected_ty).as_ref() {
let tup_tys = ty.iter();
let elements: &PyTuple = obj.downcast()?;
assert_eq!(elements.len(), tup_tys.len());
let val: Result<Option<Vec<_>>, _> =
elements
.iter()
.enumerate()
.zip(tup_tys)
.map(|((i, elem), ty)| self
.get_obj_value(py, elem, ctx, generator, *ty).map_err(|e|
super::CompileError::new_err(
format!("Error getting element {i}: {e}")
)
let expected_ty_enum = ctx.unifier.get_ty_immutable(expected_ty);
let TypeEnum::TTuple { ty } = expected_ty_enum.as_ref() else {
unreachable!()
};
let tup_tys = ty.iter();
let elements: &PyTuple = obj.downcast()?;
assert_eq!(elements.len(), tup_tys.len());
let val: Result<Option<Vec<_>>, _> =
elements
.iter()
.enumerate()
.zip(tup_tys)
.map(|((i, elem), ty)| self
.get_obj_value(py, elem, ctx, generator, *ty).map_err(|e|
super::CompileError::new_err(
format!("Error getting element {i}: {e}")
)
).collect();
let val = val?.unwrap();
let val = ctx.ctx.const_struct(&val, false);
Ok(Some(val.into()))
} else {
unreachable!("must expect tuple type")
}
)
).collect();
let val = val?.unwrap();
let val = ctx.ctx.const_struct(&val, false);
Ok(Some(val.into()))
} else if ty_id == self.primitive_ids.option {
let option_val_ty = match ctx.unifier.get_ty_immutable(expected_ty).as_ref() {
TypeEnum::TObj { obj_id, params, .. }
@ -993,27 +993,25 @@ impl InnerResolver {
// should be classes
let definition =
top_level_defs.get(self.pyid_to_def.read().get(&ty_id).unwrap().0).unwrap().read();
if let TopLevelDef::Class { fields, .. } = &*definition {
let values: Result<Option<Vec<_>>, _> = fields
.iter()
.map(|(name, ty, _)| {
self.get_obj_value(py, obj.getattr(name.to_string().as_str())?, ctx, generator, *ty)
.map_err(|e| super::CompileError::new_err(format!("Error getting field {name}: {e}")))
})
.collect();
let values = values?;
if let Some(values) = values {
let val = ty.const_named_struct(&values);
let global = ctx.module.get_global(&id_str).unwrap_or_else(|| {
ctx.module.add_global(ty, Some(AddressSpace::default()), &id_str)
});
global.set_initializer(&val);
Ok(Some(global.as_pointer_value().into()))
} else {
Ok(None)
}
let TopLevelDef::Class { fields, .. } = &*definition else { unreachable!() };
let values: Result<Option<Vec<_>>, _> = fields
.iter()
.map(|(name, ty, _)| {
self.get_obj_value(py, obj.getattr(name.to_string().as_str())?, ctx, generator, *ty)
.map_err(|e| super::CompileError::new_err(format!("Error getting field {name}: {e}")))
})
.collect();
let values = values?;
if let Some(values) = values {
let val = ty.const_named_struct(&values);
let global = ctx.module.get_global(&id_str).unwrap_or_else(|| {
ctx.module.add_global(ty, Some(AddressSpace::default()), &id_str)
});
global.set_initializer(&val);
Ok(Some(global.as_pointer_value().into()))
} else {
unreachable!()
Ok(None)
}
}
}
@ -1065,27 +1063,26 @@ impl InnerResolver {
impl SymbolResolver for Resolver {
fn get_default_param_value(&self, expr: &ast::Expr) -> Option<SymbolValue> {
match &expr.node {
ast::ExprKind::Name { id, .. } => {
Python::with_gil(|py| -> PyResult<Option<SymbolValue>> {
let obj: &PyAny = self.0.module.extract(py)?;
let members: &PyDict = obj.getattr("__dict__").unwrap().downcast().unwrap();
let mut sym_value = None;
for (key, val) in members {
let key: &str = key.extract()?;
if key == id.to_string() {
if let Ok(Ok(v)) = self.0.get_default_param_obj_value(py, val) {
sym_value = Some(v);
}
break;
}
let ast::ExprKind::Name { id, .. } = &expr.node else {
unreachable!("only for resolving names")
};
Python::with_gil(|py| -> PyResult<Option<SymbolValue>> {
let obj: &PyAny = self.0.module.extract(py)?;
let members: &PyDict = obj.getattr("__dict__").unwrap().downcast().unwrap();
let mut sym_value = None;
for (key, val) in members {
let key: &str = key.extract()?;
if key == id.to_string() {
if let Ok(Ok(v)) = self.0.get_default_param_obj_value(py, val) {
sym_value = Some(v);
}
Ok(sym_value)
})
.unwrap()
break;
}
}
_ => unreachable!("only for resolving names"),
}
Ok(sym_value)
}).unwrap()
}
fn get_symbol_type(

362
nac3artiq/src/timeline.rs
View File

@ -29,29 +29,29 @@ impl TimeFns for NowPinningTimeFns64 {
let now_hiptr =
ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::default()), "now.hi.addr");
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(2, false)], "now.lo.addr")
};
let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr else {
unreachable!()
};
if let (BasicValueEnum::IntValue(now_hi), BasicValueEnum::IntValue(now_lo)) = (
ctx.builder.build_load(now_hiptr, "now.hi"),
ctx.builder.build_load(now_loptr, "now.lo"),
) {
let zext_hi = ctx.builder.build_int_z_extend(now_hi, i64_type, "");
let shifted_hi = ctx.builder.build_left_shift(
zext_hi,
i64_type.const_int(32, false),
"",
);
let zext_lo = ctx.builder.build_int_z_extend(now_lo, i64_type, "");
ctx.builder.build_or(shifted_hi, zext_lo, "now_mu").into()
} else {
unreachable!();
}
} else {
unreachable!();
}
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(2, false)], "now.lo.addr")
};
let (BasicValueEnum::IntValue(now_hi), BasicValueEnum::IntValue(now_lo)) = (
ctx.builder.build_load(now_hiptr, "now.hi"),
ctx.builder.build_load(now_loptr, "now.lo"),
) else {
unreachable!()
};
let zext_hi = ctx.builder.build_int_z_extend(now_hi, i64_type, "");
let shifted_hi = ctx.builder.build_left_shift(
zext_hi,
i64_type.const_int(32, false),
"",
);
let zext_lo = ctx.builder.build_int_z_extend(now_lo, i64_type, "");
ctx.builder.build_or(shifted_hi, zext_lo, "now_mu").into()
}
fn emit_at_mu<'ctx>(&self, ctx: &mut CodeGenContext<'ctx, '_>, t: BasicValueEnum<'ctx>) {
@ -59,41 +59,41 @@ impl TimeFns for NowPinningTimeFns64 {
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false);
if let BasicValueEnum::IntValue(time) = t {
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(time, i64_32, false, "time.hi"),
i32_type,
"",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "time.lo");
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::default()),
"now.hi.addr",
);
let BasicValueEnum::IntValue(time) = t else {
unreachable!()
};
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(2, false)], "now.lo.addr")
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
} else {
unreachable!();
}
} else {
unreachable!();
}
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(time, i64_32, false, "time.hi"),
i32_type,
"",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "time.lo");
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::default()),
"now.hi.addr",
);
let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr else {
unreachable!()
};
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(2, false)], "now.lo.addr")
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
}
fn emit_delay_mu<'ctx>(
@ -110,56 +110,56 @@ impl TimeFns for NowPinningTimeFns64 {
let now_hiptr =
ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::default()), "now.hi.addr");
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(2, false)], "now.lo.addr")
};
if let (
BasicValueEnum::IntValue(now_hi),
BasicValueEnum::IntValue(now_lo),
BasicValueEnum::IntValue(dt),
) = (
ctx.builder.build_load(now_hiptr, "now.hi"),
ctx.builder.build_load(now_loptr, "now.lo"),
dt,
) {
let zext_hi = ctx.builder.build_int_z_extend(now_hi, i64_type, "");
let shifted_hi = ctx.builder.build_left_shift(
zext_hi,
i64_type.const_int(32, false),
"",
);
let zext_lo = ctx.builder.build_int_z_extend(now_lo, i64_type, "");
let now_val = ctx.builder.build_or(shifted_hi, zext_lo, "now");
let time = ctx.builder.build_int_add(now_val, dt, "time");
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(
time,
i64_type.const_int(32, false),
false,
"",
),
i32_type,
"time.hi",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "time.lo");
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
} else {
unreachable!();
}
} else {
unreachable!();
let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr else {
unreachable!()
};
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(2, false)], "now.lo.addr")
};
let (
BasicValueEnum::IntValue(now_hi),
BasicValueEnum::IntValue(now_lo),
BasicValueEnum::IntValue(dt),
) = (
ctx.builder.build_load(now_hiptr, "now.hi"),
ctx.builder.build_load(now_loptr, "now.lo"),
dt,
) else {
unreachable!()
};
let zext_hi = ctx.builder.build_int_z_extend(now_hi, i64_type, "");
let shifted_hi = ctx.builder.build_left_shift(
zext_hi,
i64_type.const_int(32, false),
"",
);
let zext_lo = ctx.builder.build_int_z_extend(now_lo, i64_type, "");
let now_val = ctx.builder.build_or(shifted_hi, zext_lo, "now");
let time = ctx.builder.build_int_add(now_val, dt, "time");
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(
time,
i64_type.const_int(32, false),
false,
"",
),
i32_type,
"time.hi",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "time.lo");
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
}
}
@ -176,14 +176,14 @@ impl TimeFns for NowPinningTimeFns {
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let BasicValueEnum::IntValue(now_raw) = now_raw {
let i64_32 = i64_type.const_int(32, false);
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now.lo");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now.hi");
ctx.builder.build_or(now_lo, now_hi, "now_mu").into()
} else {
unreachable!();
}
let BasicValueEnum::IntValue(now_raw) = now_raw else {
unreachable!()
};
let i64_32 = i64_type.const_int(32, false);
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now.lo");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now.hi");
ctx.builder.build_or(now_lo, now_hi, "now_mu").into()
}
fn emit_at_mu<'ctx>(&self, ctx: &mut CodeGenContext<'ctx, '_>, t: BasicValueEnum<'ctx>) {
@ -191,41 +191,41 @@ impl TimeFns for NowPinningTimeFns {
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false);
if let BasicValueEnum::IntValue(time) = t {
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(time, i64_32, false, ""),
i32_type,
"time.hi",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::default()),
"now.hi.addr",
);
let BasicValueEnum::IntValue(time) = t else {
unreachable!()
};
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false)], "now.lo.addr")
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
} else {
unreachable!();
}
} else {
unreachable!();
}
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(time, i64_32, false, ""),
i32_type,
"time.hi",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::default()),
"now.hi.addr",
);
let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr else {
unreachable!()
};
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false)], "now.lo.addr")
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
}
fn emit_delay_mu<'ctx>(
@ -242,41 +242,41 @@ impl TimeFns for NowPinningTimeFns {
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "");
if let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) = (now_raw, dt) {
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now.lo");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now.hi");
let now_val = ctx.builder.build_or(now_lo, now_hi, "now_val");
let time = ctx.builder.build_int_add(now_val, dt, "time");
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(time, i64_32, false, "time.hi"),
i32_type,
"now_trunc",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "time.lo");
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::default()),
"now.hi.addr",
);
let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) = (now_raw, dt) else {
unreachable!()
};
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false)], "now.lo.addr")
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
} else {
unreachable!();
}
} else {
unreachable!();
}
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now.lo");
let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now.hi");
let now_val = ctx.builder.build_or(now_lo, now_hi, "now_val");
let time = ctx.builder.build_int_add(now_val, dt, "time");
let time_hi = ctx.builder.build_int_truncate(
ctx.builder.build_right_shift(time, i64_32, false, "time.hi"),
i32_type,
"now_trunc",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "time.lo");
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::default()),
"now.hi.addr",
);
let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr else {
unreachable!()
};
let now_loptr = unsafe {
ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false)], "now.lo.addr")
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
}
}

760
nac3core/src/codegen/expr.rs
View File

@ -39,11 +39,10 @@ pub fn get_subst_key(
) -> String {
let mut vars = obj
.map(|ty| {
if let TypeEnum::TObj { params, .. } = &*unifier.get_ty(ty) {
params.clone()
} else {
let TypeEnum::TObj { params, .. } = &*unifier.get_ty(ty) else {
unreachable!()
}
};
params.clone()
})
.unwrap_or_default();
vars.extend(fun_vars.iter());
@ -224,7 +223,7 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
{
self.ctx.i64_type()
} else {
unreachable!();
unreachable!()
};
Some(ty.const_int(*val as u64, false).into())
}
@ -599,28 +598,27 @@ pub fn gen_constructor<'ctx, 'a, G: CodeGenerator>(
def: &TopLevelDef,
params: Vec<(Option<StrRef>, ValueEnum<'ctx>)>,
) -> Result<BasicValueEnum<'ctx>, String> {
match def {
TopLevelDef::Class { methods, .. } => {
// TODO: what about other fields that require alloca?
let fun_id = methods.iter().find(|method| method.0 == "__init__".into()).map(|method| method.2);
let ty = ctx.get_llvm_type(generator, signature.ret).into_pointer_type();
let zelf_ty: BasicTypeEnum = ty.get_element_type().try_into().unwrap();
let zelf: BasicValueEnum<'ctx> = ctx.builder.build_alloca(zelf_ty, "alloca").into();
// call `__init__` if there is one
if let Some(fun_id) = fun_id {
let mut sign = signature.clone();
sign.ret = ctx.primitives.none;
generator.gen_call(
ctx,
Some((signature.ret, zelf.into())),
(&sign, fun_id),
params,
)?;
}
Ok(zelf)
}
TopLevelDef::Function { .. } => unreachable!(),
let TopLevelDef::Class { methods, .. } = def else {
unreachable!()
};
// TODO: what about other fields that require alloca?
let fun_id = methods.iter().find(|method| method.0 == "__init__".into()).map(|method| method.2);
let ty = ctx.get_llvm_type(generator, signature.ret).into_pointer_type();
let zelf_ty: BasicTypeEnum = ty.get_element_type().try_into().unwrap();
let zelf: BasicValueEnum<'ctx> = ctx.builder.build_alloca(zelf_ty, "alloca").into();
// call `__init__` if there is one
if let Some(fun_id) = fun_id {
let mut sign = signature.clone();
sign.ret = ctx.primitives.none;
generator.gen_call(
ctx,
Some((signature.ret, zelf.into())),
(&sign, fun_id),
params,
)?;
}
Ok(zelf)
}
/// See [`CodeGenerator::gen_func_instance`].
@ -630,74 +628,71 @@ pub fn gen_func_instance<'ctx>(
fun: (&FunSignature, &mut TopLevelDef, String),
id: usize,
) -> Result<String, String> {
if let (
let (
sign,
TopLevelDef::Function {
name, instance_to_symbol, instance_to_stmt, var_id, resolver, ..
},
key,
) = fun
{
if let Some(sym) = instance_to_symbol.get(&key) {
return Ok(sym.clone());
}
let symbol = format!("{}.{}", name, instance_to_symbol.len());
instance_to_symbol.insert(key, symbol.clone());
let mut filter = var_id.clone();
if let Some((obj_ty, _)) = &obj {
if let TypeEnum::TObj { params, .. } = &*ctx.unifier.get_ty(*obj_ty) {
filter.extend(params.keys());
}
}
let key = ctx.get_subst_key(obj.as_ref().map(|a| a.0), sign, Some(&filter));
let instance = instance_to_stmt.get(&key).unwrap();
) = fun else { unreachable!() };
let mut store = ConcreteTypeStore::new();
let mut cache = HashMap::new();
let subst = sign
.vars
.iter()
.map(|(id, ty)| {
(
*instance.subst.get(id).unwrap(),
store.from_unifier_type(&mut ctx.unifier, &ctx.primitives, *ty, &mut cache),
)
})
.collect();
let mut signature =
store.from_signature(&mut ctx.unifier, &ctx.primitives, sign, &mut cache);
if let Some(obj) = &obj {
let zelf =
store.from_unifier_type(&mut ctx.unifier, &ctx.primitives, obj.0, &mut cache);
if let ConcreteTypeEnum::TFunc { args, .. } = &mut signature {
args.insert(
0,
ConcreteFuncArg { name: "self".into(), ty: zelf, default_value: None },
);
} else {
unreachable!()
}
}
let signature = store.add_cty(signature);
ctx.registry.add_task(CodeGenTask {
symbol_name: symbol.clone(),
body: instance.body.clone(),
resolver: resolver.as_ref().unwrap().clone(),
calls: instance.calls.clone(),
subst,
signature,
store,
unifier_index: instance.unifier_id,
id,
});
Ok(symbol)
} else {
unreachable!()
if let Some(sym) = instance_to_symbol.get(&key) {
return Ok(sym.clone());
}
let symbol = format!("{}.{}", name, instance_to_symbol.len());
instance_to_symbol.insert(key, symbol.clone());
let mut filter = var_id.clone();
if let Some((obj_ty, _)) = &obj {
if let TypeEnum::TObj { params, .. } = &*ctx.unifier.get_ty(*obj_ty) {
filter.extend(params.keys());
}
}
let key = ctx.get_subst_key(obj.as_ref().map(|a| a.0), sign, Some(&filter));
let instance = instance_to_stmt.get(&key).unwrap();
let mut store = ConcreteTypeStore::new();
let mut cache = HashMap::new();
let subst = sign
.vars
.iter()
.map(|(id, ty)| {
(
*instance.subst.get(id).unwrap(),
store.from_unifier_type(&mut ctx.unifier, &ctx.primitives, *ty, &mut cache),
)
})
.collect();
let mut signature =
store.from_signature(&mut ctx.unifier, &ctx.primitives, sign, &mut cache);
if let Some(obj) = &obj {
let zelf =
store.from_unifier_type(&mut ctx.unifier, &ctx.primitives, obj.0, &mut cache);
let ConcreteTypeEnum::TFunc { args, .. } = &mut signature else {
unreachable!()
};
args.insert(
0,
ConcreteFuncArg { name: "self".into(), ty: zelf, default_value: None },
);
}
let signature = store.add_cty(signature);
ctx.registry.add_task(CodeGenTask {
symbol_name: symbol.clone(),
body: instance.body.clone(),
resolver: resolver.as_ref().unwrap().clone(),
calls: instance.calls.clone(),
subst,
signature,
store,
unifier_index: instance.unifier_id,
id,
});
Ok(symbol)
}
/// See [`CodeGenerator::gen_call`].
@ -946,172 +941,172 @@ pub fn gen_comprehension<'ctx, G: CodeGenerator>(
ctx: &mut CodeGenContext<'ctx, '_>,
expr: &Expr<Option<Type>>,
) -> Result<Option<BasicValueEnum<'ctx>>, String> {
if let ExprKind::ListComp { elt, generators } = &expr.node {
let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap();
let ExprKind::ListComp { elt, generators } = &expr.node else {
unreachable!()
};
let init_bb = ctx.ctx.append_basic_block(current, "listcomp.init");
let test_bb = ctx.ctx.append_basic_block(current, "listcomp.test");
let body_bb = ctx.ctx.append_basic_block(current, "listcomp.body");
let cont_bb = ctx.ctx.append_basic_block(current, "listcomp.cont");
let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap();
ctx.builder.build_unconditional_branch(init_bb);
let init_bb = ctx.ctx.append_basic_block(current, "listcomp.init");
let test_bb = ctx.ctx.append_basic_block(current, "listcomp.test");
let body_bb = ctx.ctx.append_basic_block(current, "listcomp.body");
let cont_bb = ctx.ctx.append_basic_block(current, "listcomp.cont");
ctx.builder.position_at_end(init_bb);
ctx.builder.build_unconditional_branch(init_bb);
let Comprehension { target, iter, ifs, .. } = &generators[0];
let iter_val = if let Some(v) = generator.gen_expr(ctx, iter)? {
v.to_basic_value_enum(ctx, generator, iter.custom.unwrap())?
} else {
for bb in [test_bb, body_bb, cont_bb] {
ctx.builder.position_at_end(bb);
ctx.builder.build_unreachable();
}
ctx.builder.position_at_end(init_bb);
return Ok(None)
};
let int32 = ctx.ctx.i32_type();
let size_t = generator.get_size_type(ctx.ctx);
let zero_size_t = size_t.const_zero();
let zero_32 = int32.const_zero();
let index = generator.gen_var_alloc(ctx, size_t.into(), Some("index.addr"))?;
ctx.builder.build_store(index, zero_size_t);
let elem_ty = ctx.get_llvm_type(generator, elt.custom.unwrap());
let is_range = ctx.unifier.unioned(iter.custom.unwrap(), ctx.primitives.range);
let list;
let list_content;
if is_range {
let iter_val = iter_val.into_pointer_value();
let (start, stop, step) = destructure_range(ctx, iter_val);
let diff = ctx.builder.build_int_sub(stop, start, "diff");
// add 1 to the length as the value is rounded to zero
// the length may be 1 more than the actual length if the division is exact, but the
// length is a upper bound only anyway so it does not matter.
let length = ctx.builder.build_int_signed_div(diff, step, "div");
let length = ctx.builder.build_int_add(length, int32.const_int(1, false), "add1");
// in case length is non-positive
let is_valid =
ctx.builder.build_int_compare(IntPredicate::SGT, length, zero_32, "check");
let list_alloc_size = ctx.builder.build_select(
is_valid,
ctx.builder.build_int_z_extend_or_bit_cast(length, size_t, "z_ext_len"),
zero_size_t,
"listcomp.alloc_size"
);
list = allocate_list(
generator,
ctx,
elem_ty,
list_alloc_size.into_int_value(),
Some("listcomp.addr")
);
list_content = ctx.build_gep_and_load(list, &[zero_size_t, zero_32], Some("listcomp.data.addr"))
.into_pointer_value();
let i = generator.gen_store_target(ctx, target, Some("i.addr"))?.unwrap();
ctx.builder.build_store(i, ctx.builder.build_int_sub(start, step, "start_init"));
ctx.builder.build_conditional_branch(
gen_in_range_check(ctx, start, stop, step),
test_bb,
cont_bb,
);
ctx.builder.position_at_end(test_bb);
// add and test
let tmp = ctx.builder.build_int_add(
ctx.builder.build_load(i, "i").into_int_value(),
step,
"start_loop",
);
ctx.builder.build_store(i, tmp);
ctx.builder.build_conditional_branch(
gen_in_range_check(ctx, tmp, stop, step),
body_bb,
cont_bb,
);
ctx.builder.position_at_end(body_bb);
} else {
let length = ctx
.build_gep_and_load(
iter_val.into_pointer_value(),
&[zero_size_t, int32.const_int(1, false)],
Some("length"),
)
.into_int_value();
list = allocate_list(generator, ctx, elem_ty, length, Some("listcomp"));
list_content =
ctx.build_gep_and_load(list, &[zero_size_t, zero_32], Some("list_content")).into_pointer_value();
let counter = generator.gen_var_alloc(ctx, size_t.into(), Some("counter.addr"))?;
// counter = -1
ctx.builder.build_store(counter, size_t.const_int(u64::MAX, true));
ctx.builder.build_unconditional_branch(test_bb);
ctx.builder.position_at_end(test_bb);
let tmp = ctx.builder.build_load(counter, "i").into_int_value();
let tmp = ctx.builder.build_int_add(tmp, size_t.const_int(1, false), "inc");
ctx.builder.build_store(counter, tmp);
let cmp = ctx.builder.build_int_compare(IntPredicate::SLT, tmp, length, "cmp");
ctx.builder.build_conditional_branch(cmp, body_bb, cont_bb);
ctx.builder.position_at_end(body_bb);
let arr_ptr = ctx
.build_gep_and_load(iter_val.into_pointer_value(), &[zero_size_t, zero_32], Some("arr.addr"))
.into_pointer_value();
let val = ctx.build_gep_and_load(arr_ptr, &[tmp], Some("val"));
generator.gen_assign(ctx, target, val.into())?;
let Comprehension { target, iter, ifs, .. } = &generators[0];
let iter_val = if let Some(v) = generator.gen_expr(ctx, iter)? {
v.to_basic_value_enum(ctx, generator, iter.custom.unwrap())?
} else {
for bb in [test_bb, body_bb, cont_bb] {
ctx.builder.position_at_end(bb);
ctx.builder.build_unreachable();
}
// Emits the content of `cont_bb`
let emit_cont_bb = |ctx: &CodeGenContext| {
ctx.builder.position_at_end(cont_bb);
let len_ptr = unsafe {
ctx.builder.build_gep(list, &[zero_size_t, int32.const_int(1, false)], "length")
};
ctx.builder.build_store(len_ptr, ctx.builder.build_load(index, "index"));
return Ok(None)
};
let int32 = ctx.ctx.i32_type();
let size_t = generator.get_size_type(ctx.ctx);
let zero_size_t = size_t.const_zero();
let zero_32 = int32.const_zero();
let index = generator.gen_var_alloc(ctx, size_t.into(), Some("index.addr"))?;
ctx.builder.build_store(index, zero_size_t);
let elem_ty = ctx.get_llvm_type(generator, elt.custom.unwrap());
let is_range = ctx.unifier.unioned(iter.custom.unwrap(), ctx.primitives.range);
let list;
let list_content;
if is_range {
let iter_val = iter_val.into_pointer_value();
let (start, stop, step) = destructure_range(ctx, iter_val);
let diff = ctx.builder.build_int_sub(stop, start, "diff");
// add 1 to the length as the value is rounded to zero
// the length may be 1 more than the actual length if the division is exact, but the
// length is a upper bound only anyway so it does not matter.
let length = ctx.builder.build_int_signed_div(diff, step, "div");
let length = ctx.builder.build_int_add(length, int32.const_int(1, false), "add1");
// in case length is non-positive
let is_valid =
ctx.builder.build_int_compare(IntPredicate::SGT, length, zero_32, "check");
let list_alloc_size = ctx.builder.build_select(
is_valid,
ctx.builder.build_int_z_extend_or_bit_cast(length, size_t, "z_ext_len"),
zero_size_t,
"listcomp.alloc_size"
);
list = allocate_list(
generator,
ctx,
elem_ty,
list_alloc_size.into_int_value(),
Some("listcomp.addr")
);
list_content = ctx.build_gep_and_load(list, &[zero_size_t, zero_32], Some("listcomp.data.addr"))
.into_pointer_value();
let i = generator.gen_store_target(ctx, target, Some("i.addr"))?.unwrap();
ctx.builder.build_store(i, ctx.builder.build_int_sub(start, step, "start_init"));
ctx.builder.build_conditional_branch(
gen_in_range_check(ctx, start, stop, step),
test_bb,
cont_bb,
);
ctx.builder.position_at_end(test_bb);
// add and test
let tmp = ctx.builder.build_int_add(
ctx.builder.build_load(i, "i").into_int_value(),
step,
"start_loop",
);
ctx.builder.build_store(i, tmp);
ctx.builder.build_conditional_branch(
gen_in_range_check(ctx, tmp, stop, step),
body_bb,
cont_bb,
);
ctx.builder.position_at_end(body_bb);
} else {
let length = ctx
.build_gep_and_load(
iter_val.into_pointer_value(),
&[zero_size_t, int32.const_int(1, false)],
Some("length"),
)
.into_int_value();
list = allocate_list(generator, ctx, elem_ty, length, Some("listcomp"));
list_content =
ctx.build_gep_and_load(list, &[zero_size_t, zero_32], Some("list_content")).into_pointer_value();
let counter = generator.gen_var_alloc(ctx, size_t.into(), Some("counter.addr"))?;
// counter = -1
ctx.builder.build_store(counter, size_t.const_int(u64::MAX, true));
ctx.builder.build_unconditional_branch(test_bb);
ctx.builder.position_at_end(test_bb);
let tmp = ctx.builder.build_load(counter, "i").into_int_value();
let tmp = ctx.builder.build_int_add(tmp, size_t.const_int(1, false), "inc");
ctx.builder.build_store(counter, tmp);
let cmp = ctx.builder.build_int_compare(IntPredicate::SLT, tmp, length, "cmp");
ctx.builder.build_conditional_branch(cmp, body_bb, cont_bb);
ctx.builder.position_at_end(body_bb);
let arr_ptr = ctx
.build_gep_and_load(iter_val.into_pointer_value(), &[zero_size_t, zero_32], Some("arr.addr"))
.into_pointer_value();
let val = ctx.build_gep_and_load(arr_ptr, &[tmp], Some("val"));
generator.gen_assign(ctx, target, val.into())?;
}
// Emits the content of `cont_bb`
let emit_cont_bb = |ctx: &CodeGenContext| {
ctx.builder.position_at_end(cont_bb);
let len_ptr = unsafe {
ctx.builder.build_gep(list, &[zero_size_t, int32.const_int(1, false)], "length")
};
ctx.builder.build_store(len_ptr, ctx.builder.build_load(index, "index"));
};
for cond in ifs {
let result = if let Some(v) = generator.gen_expr(ctx, cond)? {
v.to_basic_value_enum(ctx, generator, cond.custom.unwrap())?.into_int_value()
} else {
// Bail if the predicate is an ellipsis - Emit cont_bb contents in case the
// no element matches the predicate
emit_cont_bb(ctx);
return Ok(None)
};
let result = generator.bool_to_i1(ctx, result);
let succ = ctx.ctx.append_basic_block(current, "then");
ctx.builder.build_conditional_branch(result, succ, test_bb);
ctx.builder.position_at_end(succ);
}
let Some(elem) = generator.gen_expr(ctx, elt)? else {
// Similarly, bail if the generator expression is an ellipsis, but keep cont_bb contents
for cond in ifs {
let result = if let Some(v) = generator.gen_expr(ctx, cond)? {
v.to_basic_value_enum(ctx, generator, cond.custom.unwrap())?.into_int_value()
} else {
// Bail if the predicate is an ellipsis - Emit cont_bb contents in case the
// no element matches the predicate
emit_cont_bb(ctx);
return Ok(None)
};
let i = ctx.builder.build_load(index, "i").into_int_value();
let elem_ptr = unsafe { ctx.builder.build_gep(list_content, &[i], "elem_ptr") };
let val = elem.to_basic_value_enum(ctx, generator, elt.custom.unwrap())?;
ctx.builder.build_store(elem_ptr, val);
ctx.builder
.build_store(index, ctx.builder.build_int_add(i, size_t.const_int(1, false), "inc"));
ctx.builder.build_unconditional_branch(test_bb);
let result = generator.bool_to_i1(ctx, result);
let succ = ctx.ctx.append_basic_block(current, "then");
ctx.builder.build_conditional_branch(result, succ, test_bb);
ctx.builder.position_at_end(succ);
}
let Some(elem) = generator.gen_expr(ctx, elt)? else {
// Similarly, bail if the generator expression is an ellipsis, but keep cont_bb contents
emit_cont_bb(ctx);
Ok(Some(list.into()))
} else {
unreachable!()
}
return Ok(None)
};
let i = ctx.builder.build_load(index, "i").into_int_value();
let elem_ptr = unsafe { ctx.builder.build_gep(list_content, &[i], "elem_ptr") };
let val = elem.to_basic_value_enum(ctx, generator, elt.custom.unwrap())?;
ctx.builder.build_store(elem_ptr, val);
ctx.builder
.build_store(index, ctx.builder.build_int_add(i, size_t.const_int(1, false), "inc"));
ctx.builder.build_unconditional_branch(test_bb);
emit_cont_bb(ctx);
Ok(Some(list.into()))
}
/// Generates LLVM IR for a [binary operator expression][expr].
@ -1170,9 +1165,11 @@ pub fn gen_binop_expr<'ctx, G: CodeGenerator>(
.unwrap_left();
Ok(Some(res.into()))
} else {
let (op_name, id) = if let TypeEnum::TObj { fields, obj_id, .. } =
ctx.unifier.get_ty_immutable(left.custom.unwrap()).as_ref()
{
let left_ty_enum = ctx.unifier.get_ty_immutable(left.custom.unwrap());
let TypeEnum::TObj { fields, obj_id, .. } = left_ty_enum.as_ref() else {
unreachable!("must be tobj")
};
let (op_name, id) = {
let (binop_name, binop_assign_name) = (
binop_name(op).into(),
binop_assign_name(op).into()
@ -1183,34 +1180,33 @@ pub fn gen_binop_expr<'ctx, G: CodeGenerator>(
} else {
(binop_name, *obj_id)
}
} else {
unreachable!("must be tobj")
};
let signature = match ctx.calls.get(&loc.into()) {
Some(call) => ctx.unifier.get_call_signature(*call).unwrap(),
None => {
if let TypeEnum::TObj { fields, .. } =
ctx.unifier.get_ty_immutable(left.custom.unwrap()).as_ref()
{
let fn_ty = fields.get(&op_name).unwrap().0;
if let TypeEnum::TFunc(sig) = ctx.unifier.get_ty_immutable(fn_ty).as_ref() {
sig.clone()
} else {
unreachable!("must be func sig")
}
} else {
let left_enum_ty = ctx.unifier.get_ty_immutable(left.custom.unwrap());
let TypeEnum::TObj { fields, .. } = left_enum_ty.as_ref() else {
unreachable!("must be tobj")
}
};
let fn_ty = fields.get(&op_name).unwrap().0;
let fn_ty_enum = ctx.unifier.get_ty_immutable(fn_ty);
let TypeEnum::TFunc(sig) = fn_ty_enum.as_ref() else {
unreachable!()
};
sig.clone()
},
};
let fun_id = {
let defs = ctx.top_level.definitions.read();
let obj_def = defs.get(id.0).unwrap().read();
if let TopLevelDef::Class { methods, .. } = &*obj_def {
methods.iter().find(|method| method.0 == op_name).unwrap().2
} else {
let TopLevelDef::Class { methods, .. } = &*obj_def else {
unreachable!()
}
};
methods.iter().find(|method| method.0 == op_name).unwrap().2
};
generator
.gen_call(
@ -1290,11 +1286,11 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
}
let ty = if elements.is_empty() {
if let TypeEnum::TList { ty } = &*ctx.unifier.get_ty(expr.custom.unwrap()) {
ctx.get_llvm_type(generator, *ty)
} else {
let TypeEnum::TList { ty } = &*ctx.unifier.get_ty(expr.custom.unwrap()) else {
unreachable!()
}
};
ctx.get_llvm_type(generator, *ty)
} else {
elements[0].get_type()
};
@ -1636,11 +1632,11 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
ctx.unifier.get_call_signature(*call).unwrap()
} else {
let ty = func.custom.unwrap();
if let TypeEnum::TFunc(sign) = &*ctx.unifier.get_ty(ty) {
sign.clone()
} else {
let TypeEnum::TFunc(sign) = &*ctx.unifier.get_ty(ty) else {
unreachable!()
}
};
sign.clone()
};
let func = func.as_ref();
match &func.node {
@ -1669,11 +1665,11 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
let fun_id = {
let defs = ctx.top_level.definitions.read();
let obj_def = defs.get(id.0).unwrap().read();
if let TopLevelDef::Class { methods, .. } = &*obj_def {
methods.iter().find(|method| method.0 == *attr).unwrap().2
} else {
let TopLevelDef::Class { methods, .. } = &*obj_def else {
unreachable!()
}
};
methods.iter().find(|method| method.0 == *attr).unwrap().2
};
// directly generate code for option.unwrap
// since it needs to return static value to optimize for kernel invariant
@ -1755,125 +1751,127 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
}
}
ExprKind::Subscript { value, slice, .. } => {
if let TypeEnum::TList { ty } = &*ctx.unifier.get_ty(value.custom.unwrap()) {
let v = if let Some(v) = generator.gen_expr(ctx, value)? {
v.to_basic_value_enum(ctx, generator, value.custom.unwrap())?.into_pointer_value()
} else {
return Ok(None)
};
let ty = ctx.get_llvm_type(generator, *ty);
let arr_ptr = ctx.build_gep_and_load(v, &[zero, zero], Some("arr.addr"))
.into_pointer_value();
if let ExprKind::Slice { lower, upper, step } = &slice.node {
let one = int32.const_int(1, false);
let Some((start, end, step)) =
handle_slice_indices(lower, upper, step, ctx, generator, v)? else {
return Ok(None)
};
let length = calculate_len_for_slice_range(
generator,
ctx,
start,
ctx.builder
.build_select(
ctx.builder.build_int_compare(
IntPredicate::SLT,
step,
zero,
"is_neg",
),
ctx.builder.build_int_sub(end, one, "e_min_one"),
ctx.builder.build_int_add(end, one, "e_add_one"),
"final_e",
)
.into_int_value(),
step,
);
let res_array_ret = allocate_list(generator, ctx, ty, length, Some("ret"));
let Some(res_ind) =
handle_slice_indices(&None, &None, &None, ctx, generator, res_array_ret)? else {
return Ok(None)
};
list_slice_assignment(
generator,
ctx,
ty,
res_array_ret,
res_ind,
v,
(start, end, step),
);
res_array_ret.into()
} else {
let len = ctx
.build_gep_and_load(v, &[zero, int32.const_int(1, false)], Some("len"))
.into_int_value();
let raw_index = if let Some(v) = generator.gen_expr(ctx, slice)? {
v.to_basic_value_enum(ctx, generator, slice.custom.unwrap())?.into_int_value()
match &*ctx.unifier.get_ty(value.custom.unwrap()) {
TypeEnum::TList { ty } => {
let v = if let Some(v) = generator.gen_expr(ctx, value)? {
v.to_basic_value_enum(ctx, generator, value.custom.unwrap())?.into_pointer_value()
} else {
return Ok(None)
};
let raw_index = ctx.builder.build_int_s_extend(
raw_index,
generator.get_size_type(ctx.ctx),
"sext",
);
// handle negative index
let is_negative = ctx.builder.build_int_compare(
IntPredicate::SLT,
raw_index,
generator.get_size_type(ctx.ctx).const_zero(),
"is_neg",
);
let adjusted = ctx.builder.build_int_add(raw_index, len, "adjusted");
let index = ctx
.builder
.build_select(is_negative, adjusted, raw_index, "index")
.into_int_value();
// unsigned less than is enough, because negative index after adjustment is
// bigger than the length (for unsigned cmp)
let bound_check = ctx.builder.build_int_compare(
IntPredicate::ULT,
index,
len,
"inbound",
);
ctx.make_assert(
generator,
bound_check,
"0:IndexError",
"index {0} out of bounds 0:{1}",
[Some(raw_index), Some(len), None],
expr.location,
);
ctx.build_gep_and_load(arr_ptr, &[index], None).into()
}
} else if let TypeEnum::TTuple { .. } = &*ctx.unifier.get_ty(value.custom.unwrap()) {
let index: u32 =
if let ExprKind::Constant { value: Constant::Int(v), .. } = &slice.node {
(*v).try_into().unwrap()
let ty = ctx.get_llvm_type(generator, *ty);
let arr_ptr = ctx.build_gep_and_load(v, &[zero, zero], Some("arr.addr"))
.into_pointer_value();
if let ExprKind::Slice { lower, upper, step } = &slice.node {
let one = int32.const_int(1, false);
let Some((start, end, step)) =
handle_slice_indices(lower, upper, step, ctx, generator, v)? else {
return Ok(None)
};
let length = calculate_len_for_slice_range(
generator,
ctx,
start,
ctx.builder
.build_select(
ctx.builder.build_int_compare(
IntPredicate::SLT,
step,
zero,
"is_neg",
),
ctx.builder.build_int_sub(end, one, "e_min_one"),
ctx.builder.build_int_add(end, one, "e_add_one"),
"final_e",
)
.into_int_value(),
step,
);
let res_array_ret = allocate_list(generator, ctx, ty, length, Some("ret"));
let Some(res_ind) =
handle_slice_indices(&None, &None, &None, ctx, generator, res_array_ret)? else {
return Ok(None)
};
list_slice_assignment(
generator,
ctx,
ty,
res_array_ret,
res_ind,
v,
(start, end, step),
);
res_array_ret.into()
} else {
unreachable!("tuple subscript must be const int after type check");
};
match generator.gen_expr(ctx, value)? {
Some(ValueEnum::Dynamic(v)) => {
let v = v.into_struct_value();
ctx.builder.build_extract_value(v, index, "tup_elem").unwrap().into()
}
Some(ValueEnum::Static(v)) => {
if let Some(v) = v.get_tuple_element(index) {
v
let len = ctx
.build_gep_and_load(v, &[zero, int32.const_int(1, false)], Some("len"))
.into_int_value();
let raw_index = if let Some(v) = generator.gen_expr(ctx, slice)? {
v.to_basic_value_enum(ctx, generator, slice.custom.unwrap())?.into_int_value()
} else {
let tup = v
.to_basic_value_enum(ctx, generator, value.custom.unwrap())?
.into_struct_value();
ctx.builder.build_extract_value(tup, index, "tup_elem").unwrap().into()
}
return Ok(None)
};
let raw_index = ctx.builder.build_int_s_extend(
raw_index,
generator.get_size_type(ctx.ctx),
"sext",
);
// handle negative index
let is_negative = ctx.builder.build_int_compare(
IntPredicate::SLT,
raw_index,
generator.get_size_type(ctx.ctx).const_zero(),
"is_neg",
);
let adjusted = ctx.builder.build_int_add(raw_index, len, "adjusted");
let index = ctx
.builder
.build_select(is_negative, adjusted, raw_index, "index")
.into_int_value();
// unsigned less than is enough, because negative index after adjustment is
// bigger than the length (for unsigned cmp)
let bound_check = ctx.builder.build_int_compare(
IntPredicate::ULT,
index,
len,
"inbound",
);
ctx.make_assert(
generator,
bound_check,
"0:IndexError",
"index {0} out of bounds 0:{1}",
[Some(raw_index), Some(len), None],
expr.location,
);
ctx.build_gep_and_load(arr_ptr, &[index], None).into()
}
None => return Ok(None),
}
} else {
unreachable!("should not be other subscriptable types after type check");
TypeEnum::TTuple { .. } => {
let index: u32 =
if let ExprKind::Constant { value: Constant::Int(v), .. } = &slice.node {
(*v).try_into().unwrap()
} else {
unreachable!("tuple subscript must be const int after type check");
};
match generator.gen_expr(ctx, value)? {
Some(ValueEnum::Dynamic(v)) => {
let v = v.into_struct_value();
ctx.builder.build_extract_value(v, index, "tup_elem").unwrap().into()
}
Some(ValueEnum::Static(v)) => {
if let Some(v) = v.get_tuple_element(index) {
v
} else {
let tup = v
.to_basic_value_enum(ctx, generator, value.custom.unwrap())?
.into_struct_value();
ctx.builder.build_extract_value(tup, index, "tup_elem").unwrap().into()
}
}
None => return Ok(None),
}
}
_ => unreachable!("should not be other subscriptable types after type check"),
}
},
ExprKind::ListComp { .. } => {

89
nac3core/src/codegen/mod.rs
View File

@ -451,40 +451,38 @@ fn get_llvm_type<'ctx>(
// a struct with fields in the order of declaration
let top_level_defs = top_level.definitions.read();
let definition = top_level_defs.get(obj_id.0).unwrap();
let ty = if let TopLevelDef::Class { fields: fields_list, .. } =
&*definition.read()
{
let name = unifier.stringify(ty);
if let Some(t) = module.get_struct_type(&name) {
t.ptr_type(AddressSpace::default()).into()
} else {
let struct_type = ctx.opaque_struct_type(&name);
type_cache.insert(
unifier.get_representative(ty),
struct_type.ptr_type(AddressSpace::default()).into()
);
let fields = fields_list
.iter()
.map(|f| {
get_llvm_type(
ctx,
module,
generator,
unifier,
top_level,
type_cache,
primitives,
fields[&f.0].0,
)
})
.collect_vec();
struct_type.set_body(&fields, false);
struct_type.ptr_type(AddressSpace::default()).into()
}
} else {
let TopLevelDef::Class { fields: fields_list, .. } = &*definition.read() else {
unreachable!()
};
return ty;
let name = unifier.stringify(ty);
let ty = if let Some(t) = module.get_struct_type(&name) {
t.ptr_type(AddressSpace::default()).into()
} else {
let struct_type = ctx.opaque_struct_type(&name);
type_cache.insert(
unifier.get_representative(ty),
struct_type.ptr_type(AddressSpace::default()).into()
);
let fields = fields_list
.iter()
.map(|f| {
get_llvm_type(
ctx,
module,
generator,
unifier,
top_level,
type_cache,
primitives,
fields[&f.0].0,
)
})
.collect_vec();
struct_type.set_body(&fields, false);
struct_type.ptr_type(AddressSpace::default()).into()
};
return ty
}
TTuple { ty } => {
// a struct with fields in the order present in the tuple
@ -661,22 +659,21 @@ pub fn gen_func_impl<'ctx, G: CodeGenerator, F: FnOnce(&mut G, &mut CodeGenConte
// NOTE: special handling of option cannot use this type cache since it contains type var,
// handled inside get_llvm_type instead
let (args, ret) = if let ConcreteTypeEnum::TFunc { args, ret, .. } =
task.store.get(task.signature)
{
(
args.iter()
.map(|arg| FuncArg {
name: arg.name,
ty: task.store.to_unifier_type(&mut unifier, &primitives, arg.ty, &mut cache),
default_value: arg.default_value.clone(),
})
.collect_vec(),
task.store.to_unifier_type(&mut unifier, &primitives, *ret, &mut cache),
)
} else {
let ConcreteTypeEnum::TFunc { args, ret, .. } =
task.store.get(task.signature) else {
unreachable!()
};
let (args, ret) = (
args.iter()
.map(|arg| FuncArg {
name: arg.name,
ty: task.store.to_unifier_type(&mut unifier, &primitives, arg.ty, &mut cache),
default_value: arg.default_value.clone(),
})
.collect_vec(),
task.store.to_unifier_type(&mut unifier, &primitives, *ret, &mut cache),
);
let ret_type = if unifier.unioned(ret, primitives.none) {
None
} else {

1213
nac3core/src/codegen/stmt.rs
View File

File diff suppressed because it is too large Load Diff

8
nac3core/src/symbol_resolver.rs
View File

@ -528,11 +528,11 @@ impl dyn SymbolResolver + Send + Sync {
unifier.internal_stringify(
ty,
&mut |id| {
if let TopLevelDef::Class { name, .. } = &*top_level_defs[id].read() {
name.to_string()
} else {
let TopLevelDef::Class { name, .. } = &*top_level_defs[id].read() else {
unreachable!("expected class definition")
}
};
name.to_string()
},
&mut |id| format!("typevar{id}"),
&mut None,

26
nac3core/src/toplevel/builtins.rs
View File

@ -421,11 +421,11 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
generator,
expect_ty,
)?;
if let BasicValueEnum::PointerValue(ptr) = obj_val {
Ok(Some(ctx.builder.build_is_not_null(ptr, "is_some").into()))
} else {
let BasicValueEnum::PointerValue(ptr) = obj_val else {
unreachable!("option must be ptr")
}
};
Ok(Some(ctx.builder.build_is_not_null(ptr, "is_some").into()))
},
)))),
loc: None,
@ -446,11 +446,11 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
generator,
expect_ty,
)?;
if let BasicValueEnum::PointerValue(ptr) = obj_val {
Ok(Some(ctx.builder.build_is_null(ptr, "is_none").into()))
} else {
let BasicValueEnum::PointerValue(ptr) = obj_val else {
unreachable!("option must be ptr")
}
};
Ok(Some(ctx.builder.build_is_null(ptr, "is_none").into()))
},
)))),
loc: None,
@ -686,7 +686,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
val
} else {
unreachable!();
unreachable!()
};
Ok(Some(res))
},
@ -762,7 +762,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
val
} else {
unreachable!();
unreachable!()
};
Ok(Some(res))
},
@ -1361,7 +1361,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
} else if is_type(m_ty, n_ty) && is_type(n_ty, float) {
("llvm.minnum.f64", llvm_f64)
} else {
unreachable!();
unreachable!()
};
let intrinsic = ctx.module.get_function(fun_name).unwrap_or_else(|| {
let fn_type = arg_ty.fn_type(&[arg_ty.into(), arg_ty.into()], false);
@ -1423,7 +1423,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
} else if is_type(m_ty, n_ty) && is_type(n_ty, float) {
("llvm.maxnum.f64", llvm_f64)
} else {
unreachable!();
unreachable!()
};
let intrinsic = ctx.module.get_function(fun_name).unwrap_or_else(|| {
let fn_type = arg_ty.fn_type(&[arg_ty.into(), arg_ty.into()], false);
@ -1480,7 +1480,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
is_float = true;
("llvm.fabs.f64", llvm_f64)
} else {
unreachable!();
unreachable!()
};
let intrinsic = ctx.module.get_function(fun_name).unwrap_or_else(|| {
let fn_type = if is_float {

1326
nac3core/src/toplevel/composer.rs
View File

File diff suppressed because it is too large Load Diff

81
nac3core/src/toplevel/helper.rs
View File

@ -233,11 +233,11 @@ impl TopLevelComposer {
};
// check cycle
let no_cycle = result.iter().all(|x| {
if let TypeAnnotation::CustomClass { id, .. } = x {
id.0 != p_id.0
} else {
let TypeAnnotation::CustomClass { id, .. } = x else {
unreachable!("must be class kind annotation")
}
};
id.0 != p_id.0
});
if no_cycle {
result.push(p);
@ -260,14 +260,14 @@ impl TopLevelComposer {
};
let child_def = temp_def_list.get(child_id.0).unwrap();
let child_def = child_def.read();
if let TopLevelDef::Class { ancestors, .. } = &*child_def {
if ancestors.is_empty() {
None
} else {
Some(ancestors[0].clone())
}
} else {
let TopLevelDef::Class { ancestors, .. } = &*child_def else {
unreachable!("child must be top level class def")
};
if ancestors.is_empty() {
None
} else {
Some(ancestors[0].clone())
}
}
@ -292,39 +292,38 @@ impl TopLevelComposer {
let this = this.as_ref();
let other = unifier.get_ty(other);
let other = other.as_ref();
if let (
let (
TypeEnum::TFunc(FunSignature { args: this_args, ret: this_ret, .. }),
TypeEnum::TFunc(FunSignature { args: other_args, ret: other_ret, .. }),
) = (this, other)
{
// check args
let args_ok = this_args
.iter()
.map(|FuncArg { name, ty, .. }| (name, type_var_to_concrete_def.get(ty).unwrap()))
.zip(other_args.iter().map(|FuncArg { name, ty, .. }| {
(name, type_var_to_concrete_def.get(ty).unwrap())
}))
.all(|(this, other)| {
if this.0 == &"self".into() && this.0 == other.0 {
true
} else {
this.0 == other.0
&& check_overload_type_annotation_compatible(this.1, other.1, unifier)
}
});
// check rets
let ret_ok = check_overload_type_annotation_compatible(
type_var_to_concrete_def.get(this_ret).unwrap(),
type_var_to_concrete_def.get(other_ret).unwrap(),
unifier,
);
// return
args_ok && ret_ok
} else {
) = (this, other) else {
unreachable!("this function must be called with function type")
}
};
// check args
let args_ok = this_args
.iter()
.map(|FuncArg { name, ty, .. }| (name, type_var_to_concrete_def.get(ty).unwrap()))
.zip(other_args.iter().map(|FuncArg { name, ty, .. }| {
(name, type_var_to_concrete_def.get(ty).unwrap())
}))
.all(|(this, other)| {
if this.0 == &"self".into() && this.0 == other.0 {
true
} else {
this.0 == other.0
&& check_overload_type_annotation_compatible(this.1, other.1, unifier)
}
});
// check rets
let ret_ok = check_overload_type_annotation_compatible(
type_var_to_concrete_def.get(this_ret).unwrap(),
type_var_to_concrete_def.get(other_ret).unwrap(),
unifier,
);
// return
args_ok && ret_ok
}
pub fn check_overload_field_type(

27
nac3core/src/toplevel/type_annotation.rs
View File

@ -163,11 +163,11 @@ pub fn parse_ast_to_type_annotation_kinds<T>(
let type_vars = {
let def_read = top_level_defs[obj_id.0].try_read();
if let Some(def_read) = def_read {
if let TopLevelDef::Class { type_vars, .. } = &*def_read {
type_vars.clone()
} else {
let TopLevelDef::Class { type_vars, .. } = &*def_read else {
unreachable!("must be class here")
}
};
type_vars.clone()
} else {
locked.get(&obj_id).unwrap().clone()
}
@ -497,13 +497,11 @@ pub fn get_type_from_type_annotation_kinds(
TypeAnnotation::Primitive(ty) | TypeAnnotation::TypeVar(ty) => Ok(*ty),
TypeAnnotation::Constant { ty, value, .. } => {
let ty_enum = unifier.get_ty(*ty);
let (ty, loc) = match &*ty_enum {
TypeEnum::TVar { range: ntv_underlying_ty, loc, is_const_generic: true, .. } => {
(ntv_underlying_ty[0], loc)
}
_ => unreachable!("{} ({})", unifier.stringify(*ty), ty_enum.get_type_name()),
let TypeEnum::TVar { range: ntv_underlying_ty, loc, is_const_generic: true, .. } = &*ty_enum else {
unreachable!("{} ({})", unifier.stringify(*ty), ty_enum.get_type_name());
};
let ty = ntv_underlying_ty[0];
let var = unifier.get_fresh_constant(value.clone(), ty, *loc);
Ok(var)
}
@ -596,15 +594,14 @@ pub fn check_overload_type_annotation_compatible(
let a = &*a;
let b = unifier.get_ty(*b);
let b = &*b;
if let (
let (
TypeEnum::TVar { id: a, fields: None, .. },
TypeEnum::TVar { id: b, fields: None, .. },
) = (a, b)
{
a == b
} else {
) = (a, b) else {
unreachable!("must be type var")
}
};
a == b
}
(TypeAnnotation::Virtual(a), TypeAnnotation::Virtual(b))
| (TypeAnnotation::List(a), TypeAnnotation::List(b)) => {

66
nac3core/src/typecheck/type_inferencer/mod.rs
View File

@ -241,35 +241,35 @@ impl<'a> Fold<()> for Inferencer<'a> {
let targets: Result<Vec<_>, _> = targets
.into_iter()
.map(|target| {
if let ExprKind::Name { id, ctx } = target.node {
self.defined_identifiers.insert(id);
let target_ty = if let Some(ty) = self.variable_mapping.get(&id)
{
*ty
} else {
let unifier: &mut Unifier = self.unifier;
self.function_data
.resolver
.get_symbol_type(
unifier,
&self.top_level.definitions.read(),
self.primitives,
id,
)
.unwrap_or_else(|_| {
self.variable_mapping.insert(id, value_ty);
value_ty
})
};
let location = target.location;
self.unifier.unify(value_ty, target_ty).map(|()| Located {
location,
node: ExprKind::Name { id, ctx },
custom: Some(target_ty),
})
} else {
let ExprKind::Name { id, ctx } = target.node else {
unreachable!()
}
};
self.defined_identifiers.insert(id);
let target_ty = if let Some(ty) = self.variable_mapping.get(&id)
{
*ty
} else {
let unifier: &mut Unifier = self.unifier;
self.function_data
.resolver
.get_symbol_type(
unifier,
&self.top_level.definitions.read(),
self.primitives,
id,
)
.unwrap_or_else(|_| {
self.variable_mapping.insert(id, value_ty);
value_ty
})
};
let location = target.location;
self.unifier.unify(value_ty, target_ty).map(|()| Located {
location,
node: ExprKind::Name { id, ctx },
custom: Some(target_ty),
})
})
.collect();
let loc = node.location;
@ -465,12 +465,12 @@ impl<'a> Fold<()> for Inferencer<'a> {
let var_map = params
.iter()
.map(|(id_var, ty)| {
if let TypeEnum::TVar { id, range, name, loc, .. } = &*self.unifier.get_ty(*ty) {
assert_eq!(*id, *id_var);
(*id, self.unifier.get_fresh_var_with_range(range, *name, *loc).0)
} else {
let TypeEnum::TVar { id, range, name, loc, .. } = &*self.unifier.get_ty(*ty) else {
unreachable!()
}
};
assert_eq!(*id, *id_var);
(*id, self.unifier.get_fresh_var_with_range(range, *name, *loc).0)
})
.collect::<HashMap<_, _>>();
Some(self.unifier.subst(self.primitives.option, &var_map).unwrap())

20
nac3core/src/typecheck/typedef/mod.rs
View File

@ -499,12 +499,9 @@ impl Unifier {
let instantiated = self.instantiate_fun(b, signature);
let r = self.get_ty(instantiated);
let r = r.as_ref();
let signature;
if let TypeEnum::TFunc(s) = r {
signature = s;
} else {
unreachable!();
}
let TypeEnum::TFunc(signature) = r else {
unreachable!()
};
// we check to make sure that all required arguments (those without default
// arguments) are provided, and do not provide the same argument twice.
let mut required = required.to_vec();
@ -940,13 +937,12 @@ impl Unifier {
top_level.as_ref().map_or_else(
|| format!("{id}"),
|top_level| {
if let TopLevelDef::Class { name, .. } =
&*top_level.definitions.read()[id].read()
{
name.to_string()
} else {
let top_level_def = &top_level.definitions.read()[id];
let TopLevelDef::Class { name, .. } = &*top_level_def.read() else {
unreachable!("expected class definition")
}
};
name.to_string()
},
)
},

18
nac3core/src/typecheck/typedef/test.rs
View File

@ -339,23 +339,21 @@ fn test_recursive_subst() {
let int = *env.type_mapping.get("int").unwrap();
let foo_id = *env.type_mapping.get("Foo").unwrap();
let foo_ty = env.unifier.get_ty(foo_id);
let mapping: HashMap<_, _>;
with_fields(&mut env.unifier, foo_id, |_unifier, fields| {
fields.insert("rec".into(), (foo_id, true));
});
if let TypeEnum::TObj { params, .. } = &*foo_ty {
mapping = params.iter().map(|(id, _)| (*id, int)).collect();
} else {
let TypeEnum::TObj { params, .. } = &*foo_ty else {
unreachable!()
}
};
let mapping = params.iter().map(|(id, _)| (*id, int)).collect();
let instantiated = env.unifier.subst(foo_id, &mapping).unwrap();
let instantiated_ty = env.unifier.get_ty(instantiated);
if let TypeEnum::TObj { fields, .. } = &*instantiated_ty {
assert!(env.unifier.unioned(fields.get(&"a".into()).unwrap().0, int));
assert!(env.unifier.unioned(fields.get(&"rec".into()).unwrap().0, instantiated));
} else {
let TypeEnum::TObj { fields, .. } = &*instantiated_ty else {
unreachable!()
}
};
assert!(env.unifier.unioned(fields.get(&"a".into()).unwrap().0, int));
assert!(env.unifier.unioned(fields.get(&"rec".into()).unwrap().0, instantiated));
}
#[test]

9
nac3standalone/src/main.rs
View File

@ -363,12 +363,11 @@ fn main() {
.unwrap_or_else(|_| panic!("cannot find run() entry point"))
.0]
.write();
if let TopLevelDef::Function { instance_to_stmt, instance_to_symbol, .. } = &mut *instance {
instance_to_symbol.insert(String::new(), "run".to_string());
instance_to_stmt[""].clone()
} else {
let TopLevelDef::Function { instance_to_stmt, instance_to_symbol, .. } = &mut *instance else {
unreachable!()
}
};
instance_to_symbol.insert(String::new(), "run".to_string());
instance_to_stmt[""].clone()
};
let llvm_options = CodeGenLLVMOptions {