hm-inference #6

Merged
sb10q merged 136 commits from hm-inference into master 2021-08-19 11:46:50 +08:00
3 changed files with 53 additions and 35 deletions
Showing only changes of commit 1db8378f60 - Show all commits

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@ -62,44 +62,53 @@ fn get_llvm_type<'ctx>(
use TypeEnum::*;
// we assume the type cache should already contain primitive types,
// and they should be passed by value instead of passing as pointer.
type_cache.get(&unifier.get_representative(ty)).cloned().unwrap_or_else(|| match &*unifier.get_ty(ty) {
TObj { obj_id, fields, .. } => {
// a struct with fields in the order of declaration
let defs = top_level.definitions.read();
let definition = defs.get(obj_id.0).unwrap();
let ty = if let TopLevelDef::Class { fields: fields_list, .. } = &*definition.read() {
let fields = fields.borrow();
let fields = fields_list
type_cache.get(&unifier.get_representative(ty)).cloned().unwrap_or_else(|| {
match &*unifier.get_ty(ty) {
TObj { obj_id, fields, .. } => {
// a struct with fields in the order of declaration
let defs = top_level.definitions.read();
let definition = defs.get(obj_id.0).unwrap();
let ty = if let TopLevelDef::Class { fields: fields_list, .. } = &*definition.read()
{
let fields = fields.borrow();
let fields = fields_list
.iter()
.map(|f| get_llvm_type(ctx, unifier, top_level, type_cache, fields[&f.0]))
.collect_vec();
ctx.struct_type(&fields, false).ptr_type(AddressSpace::Generic).into()
} else {
unreachable!()
};
ty
}
TTuple { ty } => {
// a struct with fields in the order present in the tuple
let fields = ty
.iter()
.map(|f| get_llvm_type(ctx, unifier, top_level, type_cache, fields[&f.0]))
.map(|ty| get_llvm_type(ctx, unifier, top_level, type_cache, *ty))
.collect_vec();
ctx.struct_type(&fields, false).ptr_type(AddressSpace::Generic).into()
} else {
unreachable!()
};
ty
}
TList { ty } => {
// a struct with an integer and a pointer to an array
let element_type = get_llvm_type(ctx, unifier, top_level, type_cache, *ty);
let fields =
[ctx.i32_type().into(), element_type.ptr_type(AddressSpace::Generic).into()];
ctx.struct_type(&fields, false).ptr_type(AddressSpace::Generic).into()
}
TVirtual { .. } => unimplemented!(),
_ => unreachable!(),
}
TTuple { ty } => {
// a struct with fields in the order present in the tuple
let fields = ty
.iter()
.map(|ty| get_llvm_type(ctx, unifier, top_level, type_cache, *ty))
.collect_vec();
ctx.struct_type(&fields, false).ptr_type(AddressSpace::Generic).into()
}
TList { ty } => {
// a struct with an integer and a pointer to an array
let element_type = get_llvm_type(ctx, unifier, top_level, type_cache, *ty);
let fields =
[ctx.i32_type().into(), element_type.ptr_type(AddressSpace::Generic).into()];
ctx.struct_type(&fields, false).ptr_type(AddressSpace::Generic).into()
}
TVirtual { .. } => unimplemented!(),
_ => unreachable!(),
})
}
pub fn gen_func<'ctx>(context: &'ctx Context, builder: Builder<'ctx>, module: Module<'ctx>, task: CodeGenTask, top_level_ctx: Arc<TopLevelContext>) -> Module<'ctx> {
pub fn gen_func<'ctx>(
context: &'ctx Context,
builder: Builder<'ctx>,
module: Module<'ctx>,
task: CodeGenTask,
top_level_ctx: Arc<TopLevelContext>,
) -> Module<'ctx> {
// unwrap_or(0) is for unit tests without using rayon
let (mut unifier, primitives) = {
let unifiers = top_level_ctx.unifiers.read();

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@ -95,15 +95,20 @@ pub fn parse_type_annotation<T>(
Subscript { value, slice, .. } => {
if let Name { id, .. } = &value.node {
if id == "virtual" {
let ty = parse_type_annotation(resolver, top_level, unifier, primitives, slice)?;
let ty =
parse_type_annotation(resolver, top_level, unifier, primitives, slice)?;
Ok(unifier.add_ty(TypeEnum::TVirtual { ty }))
} else {
let types = if let Tuple { elts, .. } = &slice.node {
elts.iter()
.map(|v| parse_type_annotation(resolver, top_level, unifier, primitives, v))
.map(|v| {
parse_type_annotation(resolver, top_level, unifier, primitives, v)
})
.collect::<Result<Vec<_>, _>>()?
} else {
vec![parse_type_annotation(resolver, top_level, unifier, primitives, slice)?]
vec![parse_type_annotation(
resolver, top_level, unifier, primitives, slice,
)?]
};
let obj_id = resolver

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@ -696,7 +696,11 @@ impl Unifier {
let fields = self
.subst_map(&fields.borrow(), mapping)
.unwrap_or_else(|| fields.borrow().clone());
Some(self.add_ty(TypeEnum::TObj { obj_id, params: params.into(), fields: fields.into() }))
Some(self.add_ty(TypeEnum::TObj {
obj_id,
params: params.into(),
fields: fields.into(),
}))
} else {
None
}