forked from M-Labs/nac3
[core] toplevel/composer: Reduce lock scope while analyzing function
This commit is contained in:
parent
581b2f7bb2
commit
1a197c67f6
@ -485,7 +485,7 @@ impl TopLevelComposer {
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// things like `class A(Generic[T, V, ImportedModule.T])` is not supported
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// i.e. only simple names are allowed in the subscript
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// should update the TopLevelDef::Class.typevars and the TypeEnum::TObj.params
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ast::ExprKind::Subscript { value, slice, .. }
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ExprKind::Subscript { value, slice, .. }
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if {
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matches!(
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&value.node,
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@ -501,9 +501,9 @@ impl TopLevelComposer {
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}
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is_generic = true;
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let type_var_list: Vec<&ast::Expr<()>>;
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let type_var_list: Vec<&Expr<()>>;
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// if `class A(Generic[T, V, G])`
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if let ast::ExprKind::Tuple { elts, .. } = &slice.node {
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if let ExprKind::Tuple { elts, .. } = &slice.node {
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type_var_list = elts.iter().collect_vec();
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// `class A(Generic[T])`
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} else {
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@ -1014,18 +1014,18 @@ impl TopLevelComposer {
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}
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}
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let arg_with_default: Vec<(&ast::Located<ast::ArgData<()>>, Option<&ast::Expr>)> =
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args.args
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.iter()
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.rev()
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.zip(
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args.defaults
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.iter()
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.rev()
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.map(|x| -> Option<&ast::Expr> { Some(x) })
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.chain(std::iter::repeat(None)),
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)
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.collect_vec();
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let arg_with_default: Vec<(&ast::Located<ast::ArgData<()>>, Option<&Expr>)> = args
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.args
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.iter()
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.rev()
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.zip(
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args.defaults
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.iter()
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.rev()
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.map(|x| -> Option<&Expr> { Some(x) })
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.chain(std::iter::repeat(None)),
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)
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.collect_vec();
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arg_with_default
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.iter()
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@ -1283,7 +1283,7 @@ impl TopLevelComposer {
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let arg_with_default: Vec<(
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&ast::Located<ast::ArgData<()>>,
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Option<&ast::Expr>,
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Option<&Expr>,
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)> = args
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.args
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.iter()
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@ -1292,7 +1292,7 @@ impl TopLevelComposer {
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args.defaults
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.iter()
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.rev()
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.map(|x| -> Option<&ast::Expr> { Some(x) })
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.map(|x| -> Option<&Expr> { Some(x) })
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.chain(std::iter::repeat(None)),
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)
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.collect_vec();
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@ -1449,7 +1449,7 @@ impl TopLevelComposer {
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.map_err(|e| HashSet::from([e.to_display(unifier).to_string()]))?;
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}
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ast::StmtKind::AnnAssign { target, annotation, value, .. } => {
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if let ast::ExprKind::Name { id: attr, .. } = &target.node {
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if let ExprKind::Name { id: attr, .. } = &target.node {
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if defined_fields.insert(attr.to_string()) {
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let dummy_field_type = unifier.get_dummy_var().ty;
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@ -1457,7 +1457,7 @@ impl TopLevelComposer {
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None => {
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// handle Kernel[T], KernelInvariant[T]
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let (annotation, mutable) = match &annotation.node {
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ast::ExprKind::Subscript { value, slice, .. }
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ExprKind::Subscript { value, slice, .. }
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if matches!(
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&value.node,
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ast::ExprKind::Name { id, .. } if id == &core_config.kernel_invariant_ann.into()
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@ -1465,7 +1465,7 @@ impl TopLevelComposer {
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{
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(slice, false)
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}
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ast::ExprKind::Subscript { value, slice, .. }
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ExprKind::Subscript { value, slice, .. }
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if matches!(
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&value.node,
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ast::ExprKind::Name { id, .. } if core_config.kernel_ann.map_or(false, |c| id == &c.into())
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@ -1483,13 +1483,13 @@ impl TopLevelComposer {
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Some(boxed_expr) => {
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// Class attributes are set as immutable regardless
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let (annotation, _) = match &annotation.node {
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ast::ExprKind::Subscript { slice, .. } => (slice, false),
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ExprKind::Subscript { slice, .. } => (slice, false),
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_ if core_config.kernel_ann.is_none() => (annotation, false),
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_ => continue,
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};
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match &**boxed_expr {
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ast::Located {location: _, custom: (), node: ast::ExprKind::Constant { value: v, kind: _ }} => {
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ast::Located {location: _, custom: (), node: ExprKind::Constant { value: v, kind: _ }} => {
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// Restricting the types allowed to be defined as class attributes
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match v {
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ast::Constant::Bool(_) | ast::Constant::Str(_) | ast::Constant::Int(_) | ast::Constant::Float(_) => {}
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@ -1937,284 +1937,296 @@ impl TopLevelComposer {
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if ast.is_none() {
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return Ok(());
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}
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let mut function_def = def.write();
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if let TopLevelDef::Function {
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instance_to_stmt,
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instance_to_symbol,
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name,
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simple_name,
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signature,
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resolver,
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..
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} = &mut *function_def
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{
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let signature_ty_enum = unifier.get_ty(*signature);
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let TypeEnum::TFunc(FunSignature { args, ret, vars, .. }) =
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signature_ty_enum.as_ref()
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let (name, simple_name, signature, resolver) = {
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let function_def = def.read();
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let TopLevelDef::Function { name, simple_name, signature, resolver, .. } =
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&*function_def
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else {
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unreachable!("must be typeenum::tfunc")
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return Ok(());
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};
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let mut vars = vars.clone();
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// None if is not class method
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let uninst_self_type = {
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if let Some(class_id) = method_class.get(&DefinitionId(id)) {
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let class_def = definition_ast_list.get(class_id.0).unwrap();
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let class_def = class_def.0.read();
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let TopLevelDef::Class { type_vars, .. } = &*class_def else {
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unreachable!("must be class def")
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(name.clone(), *simple_name, *signature, resolver.clone())
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};
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let signature_ty_enum = unifier.get_ty(signature);
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let TypeEnum::TFunc(FunSignature { args, ret, vars, .. }) = signature_ty_enum.as_ref()
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else {
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unreachable!("must be typeenum::tfunc")
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};
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let mut vars = vars.clone();
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// None if is not class method
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let uninst_self_type = {
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if let Some(class_id) = method_class.get(&DefinitionId(id)) {
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let class_def = definition_ast_list.get(class_id.0).unwrap();
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let class_def = class_def.0.read();
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let TopLevelDef::Class { type_vars, .. } = &*class_def else {
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unreachable!("must be class def")
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};
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let ty_ann = make_self_type_annotation(type_vars, *class_id);
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let self_ty = get_type_from_type_annotation_kinds(
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&def_list,
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unifier,
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primitives_ty,
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&ty_ann,
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&mut None,
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)?;
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vars.extend(type_vars.iter().map(|ty| {
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let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*ty) else {
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unreachable!()
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};
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let ty_ann = make_self_type_annotation(type_vars, *class_id);
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let self_ty = get_type_from_type_annotation_kinds(
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&def_list,
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unifier,
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primitives_ty,
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&ty_ann,
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&mut None,
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)?;
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vars.extend(type_vars.iter().map(|ty| {
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let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*ty) else {
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(*id, *ty)
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}));
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Some((self_ty, type_vars.clone()))
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} else {
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None
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}
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};
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// carefully handle those with bounds, without bounds and no typevars
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// if class methods, `vars` also contains all class typevars here
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let (type_var_subst_comb, no_range_vars) = {
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let mut no_ranges: Vec<Type> = Vec::new();
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let var_combs = vars
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.values()
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.map(|ty| {
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unifier.get_instantiations(*ty).unwrap_or_else(|| {
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let TypeEnum::TVar { name, loc, is_const_generic: false, .. } =
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&*unifier.get_ty(*ty)
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else {
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unreachable!()
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};
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(*id, *ty)
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}));
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Some((self_ty, type_vars.clone()))
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} else {
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None
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}
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};
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// carefully handle those with bounds, without bounds and no typevars
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// if class methods, `vars` also contains all class typevars here
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let (type_var_subst_comb, no_range_vars) = {
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let mut no_ranges: Vec<Type> = Vec::new();
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let var_combs = vars
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.values()
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.map(|ty| {
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unifier.get_instantiations(*ty).unwrap_or_else(|| {
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let TypeEnum::TVar { name, loc, is_const_generic: false, .. } =
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&*unifier.get_ty(*ty)
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else {
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unreachable!()
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};
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let rigid = unifier.get_fresh_rigid_var(*name, *loc).ty;
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no_ranges.push(rigid);
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vec![rigid]
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})
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let rigid = unifier.get_fresh_rigid_var(*name, *loc).ty;
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no_ranges.push(rigid);
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vec![rigid]
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})
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.multi_cartesian_product()
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.collect_vec();
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let mut result: Vec<VarMap> = Vec::default();
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for comb in var_combs {
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result.push(vars.keys().copied().zip(comb).collect());
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})
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.multi_cartesian_product()
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.collect_vec();
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let mut result: Vec<VarMap> = Vec::default();
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for comb in var_combs {
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result.push(vars.keys().copied().zip(comb).collect());
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}
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// NOTE: if is empty, means no type var, append a empty subst, ok to do this?
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if result.is_empty() {
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result.push(VarMap::new());
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}
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(result, no_ranges)
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};
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for subst in type_var_subst_comb {
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// for each instance
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let inst_ret = unifier.subst(*ret, &subst).unwrap_or(*ret);
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let inst_args = {
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args.iter()
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.map(|a| FuncArg {
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name: a.name,
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ty: unifier.subst(a.ty, &subst).unwrap_or(a.ty),
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default_value: a.default_value.clone(),
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is_vararg: false,
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})
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.collect_vec()
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};
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let self_type = {
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uninst_self_type.clone().map(|(self_type, type_vars)| {
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let subst_for_self = {
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let class_ty_var_ids = type_vars
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.iter()
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.map(|x| {
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if let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*x) {
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*id
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} else {
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unreachable!("must be type var here");
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}
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})
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.collect::<HashSet<_>>();
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subst
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.iter()
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.filter_map(|(ty_var_id, ty_var_target)| {
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if class_ty_var_ids.contains(ty_var_id) {
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Some((*ty_var_id, *ty_var_target))
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} else {
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None
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}
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})
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.collect::<VarMap>()
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};
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unifier.subst(self_type, &subst_for_self).unwrap_or(self_type)
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})
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};
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let mut identifiers = {
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let mut result = HashMap::new();
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if self_type.is_some() {
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result.insert("self".into(), IdentifierInfo::default());
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}
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// NOTE: if is empty, means no type var, append a empty subst, ok to do this?
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if result.is_empty() {
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result.push(VarMap::new());
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}
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(result, no_ranges)
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result.extend(inst_args.iter().map(|x| (x.name, IdentifierInfo::default())));
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result
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};
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let mut calls: HashMap<CodeLocation, CallId> = HashMap::new();
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let mut inferencer = Inferencer {
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top_level: ctx.as_ref(),
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defined_identifiers: identifiers.clone(),
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function_data: &mut FunctionData {
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resolver: resolver.as_ref().unwrap().clone(),
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return_type: if unifier.unioned(inst_ret, primitives_ty.none) {
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None
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} else {
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Some(inst_ret)
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},
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// NOTE: allowed type vars
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bound_variables: no_range_vars.clone(),
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},
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unifier,
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variable_mapping: {
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let mut result: HashMap<StrRef, Type> = HashMap::new();
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if let Some(self_ty) = self_type {
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result.insert("self".into(), self_ty);
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}
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result.extend(inst_args.iter().map(|x| (x.name, x.ty)));
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result
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},
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primitives: primitives_ty,
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virtual_checks: &mut Vec::new(),
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calls: &mut calls,
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in_handler: false,
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};
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for subst in type_var_subst_comb {
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// for each instance
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let inst_ret = unifier.subst(*ret, &subst).unwrap_or(*ret);
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let inst_args = {
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args.iter()
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.map(|a| FuncArg {
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name: a.name,
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ty: unifier.subst(a.ty, &subst).unwrap_or(a.ty),
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default_value: a.default_value.clone(),
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is_vararg: false,
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})
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.collect_vec()
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};
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let self_type = {
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uninst_self_type.clone().map(|(self_type, type_vars)| {
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let subst_for_self = {
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let class_ty_var_ids = type_vars
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.iter()
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.map(|x| {
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if let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*x) {
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*id
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} else {
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unreachable!("must be type var here");
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}
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})
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.collect::<HashSet<_>>();
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subst
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.iter()
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.filter_map(|(ty_var_id, ty_var_target)| {
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if class_ty_var_ids.contains(ty_var_id) {
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Some((*ty_var_id, *ty_var_target))
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} else {
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None
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}
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})
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.collect::<VarMap>()
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let ast::StmtKind::FunctionDef { body, decorator_list, .. } =
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ast.clone().unwrap().node
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else {
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unreachable!("must be function def ast")
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};
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if !decorator_list.is_empty() {
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if matches!(&decorator_list[0].node, ExprKind::Name { id, .. } if id == &"extern".into())
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{
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let TopLevelDef::Function { instance_to_symbol, .. } = &mut *def.write()
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else {
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unreachable!()
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};
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instance_to_symbol.insert(String::new(), simple_name.to_string());
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continue;
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}
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if matches!(&decorator_list[0].node, ExprKind::Name { id, .. } if id == &"rpc".into())
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{
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let TopLevelDef::Function { instance_to_symbol, .. } = &mut *def.write()
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else {
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unreachable!()
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};
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instance_to_symbol.insert(String::new(), simple_name.to_string());
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continue;
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}
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if let ExprKind::Call { func, .. } = &decorator_list[0].node {
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if matches!(&func.node, ExprKind::Name { id, .. } if id == &"rpc".into()) {
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let TopLevelDef::Function { instance_to_symbol, .. } =
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&mut *def.write()
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else {
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unreachable!()
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};
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unifier.subst(self_type, &subst_for_self).unwrap_or(self_type)
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})
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};
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let mut identifiers = {
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let mut result = HashMap::new();
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if self_type.is_some() {
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result.insert("self".into(), IdentifierInfo::default());
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}
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result
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.extend(inst_args.iter().map(|x| (x.name, IdentifierInfo::default())));
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result
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};
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let mut calls: HashMap<CodeLocation, CallId> = HashMap::new();
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let mut inferencer = Inferencer {
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top_level: ctx.as_ref(),
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defined_identifiers: identifiers.clone(),
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function_data: &mut FunctionData {
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resolver: resolver.as_ref().unwrap().clone(),
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return_type: if unifier.unioned(inst_ret, primitives_ty.none) {
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None
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} else {
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Some(inst_ret)
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},
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// NOTE: allowed type vars
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bound_variables: no_range_vars.clone(),
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},
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unifier,
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variable_mapping: {
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let mut result: HashMap<StrRef, Type> = HashMap::new();
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if let Some(self_ty) = self_type {
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result.insert("self".into(), self_ty);
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}
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result.extend(inst_args.iter().map(|x| (x.name, x.ty)));
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result
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},
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primitives: primitives_ty,
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virtual_checks: &mut Vec::new(),
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calls: &mut calls,
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in_handler: false,
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};
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let ast::StmtKind::FunctionDef { body, decorator_list, .. } =
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ast.clone().unwrap().node
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else {
|
||||
unreachable!("must be function def ast")
|
||||
};
|
||||
if !decorator_list.is_empty()
|
||||
&& matches!(&decorator_list[0].node,
|
||||
ast::ExprKind::Name{ id, .. } if id == &"extern".into())
|
||||
{
|
||||
instance_to_symbol.insert(String::new(), simple_name.to_string());
|
||||
continue;
|
||||
}
|
||||
if !decorator_list.is_empty()
|
||||
&& matches!(&decorator_list[0].node,
|
||||
ast::ExprKind::Name{ id, .. } if id == &"rpc".into())
|
||||
{
|
||||
instance_to_symbol.insert(String::new(), simple_name.to_string());
|
||||
continue;
|
||||
}
|
||||
if !decorator_list.is_empty() {
|
||||
if let ast::ExprKind::Call { func, .. } = &decorator_list[0].node {
|
||||
if matches!(&func.node,
|
||||
ast::ExprKind::Name{ id, .. } if id == &"rpc".into())
|
||||
{
|
||||
instance_to_symbol.insert(String::new(), simple_name.to_string());
|
||||
continue;
|
||||
}
|
||||
instance_to_symbol.insert(String::new(), simple_name.to_string());
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
let fun_body = body
|
||||
.into_iter()
|
||||
let fun_body =
|
||||
body.into_iter()
|
||||
.map(|b| inferencer.fold_stmt(b))
|
||||
.collect::<Result<Vec<_>, _>>()?;
|
||||
|
||||
let returned = inferencer.check_block(fun_body.as_slice(), &mut identifiers)?;
|
||||
{
|
||||
// check virtuals
|
||||
let defs = ctx.definitions.read();
|
||||
for (subtype, base, loc) in &*inferencer.virtual_checks {
|
||||
let base_id = {
|
||||
let base = inferencer.unifier.get_ty(*base);
|
||||
if let TypeEnum::TObj { obj_id, .. } = &*base {
|
||||
*obj_id
|
||||
} else {
|
||||
return Err(HashSet::from([format!(
|
||||
"Base type should be a class (at {loc})"
|
||||
)]));
|
||||
}
|
||||
};
|
||||
let subtype_id = {
|
||||
let ty = inferencer.unifier.get_ty(*subtype);
|
||||
if let TypeEnum::TObj { obj_id, .. } = &*ty {
|
||||
*obj_id
|
||||
} else {
|
||||
let base_repr = inferencer.unifier.stringify(*base);
|
||||
let subtype_repr = inferencer.unifier.stringify(*subtype);
|
||||
return Err(HashSet::from([format!(
|
||||
"Expected a subtype of {base_repr}, but got {subtype_repr} (at {loc})"),
|
||||
]));
|
||||
}
|
||||
};
|
||||
let subtype_entry = defs[subtype_id.0].read();
|
||||
let TopLevelDef::Class { ancestors, .. } = &*subtype_entry else {
|
||||
unreachable!()
|
||||
};
|
||||
|
||||
let m = ancestors.iter()
|
||||
.find(|kind| matches!(kind, TypeAnnotation::CustomClass { id, .. } if *id == base_id));
|
||||
if m.is_none() {
|
||||
let returned = inferencer.check_block(fun_body.as_slice(), &mut identifiers)?;
|
||||
{
|
||||
// check virtuals
|
||||
let defs = ctx.definitions.read();
|
||||
for (subtype, base, loc) in &*inferencer.virtual_checks {
|
||||
let base_id = {
|
||||
let base = inferencer.unifier.get_ty(*base);
|
||||
if let TypeEnum::TObj { obj_id, .. } = &*base {
|
||||
*obj_id
|
||||
} else {
|
||||
return Err(HashSet::from([format!(
|
||||
"Base type should be a class (at {loc})"
|
||||
)]));
|
||||
}
|
||||
};
|
||||
let subtype_id = {
|
||||
let ty = inferencer.unifier.get_ty(*subtype);
|
||||
if let TypeEnum::TObj { obj_id, .. } = &*ty {
|
||||
*obj_id
|
||||
} else {
|
||||
let base_repr = inferencer.unifier.stringify(*base);
|
||||
let subtype_repr = inferencer.unifier.stringify(*subtype);
|
||||
return Err(HashSet::from([format!(
|
||||
"Expected a subtype of {base_repr}, but got {subtype_repr} (at {loc})"),
|
||||
]));
|
||||
}
|
||||
};
|
||||
let subtype_entry = defs[subtype_id.0].read();
|
||||
let TopLevelDef::Class { ancestors, .. } = &*subtype_entry else {
|
||||
unreachable!()
|
||||
};
|
||||
|
||||
let m = ancestors.iter()
|
||||
.find(|kind| matches!(kind, TypeAnnotation::CustomClass { id, .. } if *id == base_id));
|
||||
if m.is_none() {
|
||||
let base_repr = inferencer.unifier.stringify(*base);
|
||||
let subtype_repr = inferencer.unifier.stringify(*subtype);
|
||||
return Err(HashSet::from([format!(
|
||||
"Expected a subtype of {base_repr}, but got {subtype_repr} (at {loc})"),
|
||||
]));
|
||||
}
|
||||
}
|
||||
if !unifier.unioned(inst_ret, primitives_ty.none) && !returned {
|
||||
let def_ast_list = &definition_ast_list;
|
||||
let ret_str = unifier.internal_stringify(
|
||||
inst_ret,
|
||||
&mut |id| {
|
||||
let TopLevelDef::Class { name, .. } = &*def_ast_list[id].0.read()
|
||||
else {
|
||||
unreachable!("must be class id here")
|
||||
};
|
||||
|
||||
name.to_string()
|
||||
},
|
||||
&mut |id| format!("typevar{id}"),
|
||||
&mut None,
|
||||
);
|
||||
return Err(HashSet::from([format!(
|
||||
"expected return type of `{}` in function `{}` (at {})",
|
||||
ret_str,
|
||||
name,
|
||||
ast.as_ref().unwrap().location
|
||||
)]));
|
||||
}
|
||||
|
||||
instance_to_stmt.insert(
|
||||
get_subst_key(
|
||||
unifier,
|
||||
self_type,
|
||||
&subst,
|
||||
Some(&vars.keys().copied().collect()),
|
||||
),
|
||||
FunInstance {
|
||||
body: Arc::new(fun_body),
|
||||
unifier_id: 0,
|
||||
calls: Arc::new(calls),
|
||||
subst,
|
||||
},
|
||||
);
|
||||
}
|
||||
if !unifier.unioned(inst_ret, primitives_ty.none) && !returned {
|
||||
let def_ast_list = &definition_ast_list;
|
||||
let ret_str = unifier.internal_stringify(
|
||||
inst_ret,
|
||||
&mut |id| {
|
||||
let TopLevelDef::Class { name, .. } = &*def_ast_list[id].0.read()
|
||||
else {
|
||||
unreachable!("must be class id here")
|
||||
};
|
||||
|
||||
name.to_string()
|
||||
},
|
||||
&mut |id| format!("typevar{id}"),
|
||||
&mut None,
|
||||
);
|
||||
return Err(HashSet::from([format!(
|
||||
"expected return type of `{}` in function `{}` (at {})",
|
||||
ret_str,
|
||||
name,
|
||||
ast.as_ref().unwrap().location
|
||||
)]));
|
||||
}
|
||||
|
||||
let TopLevelDef::Function { instance_to_stmt, .. } = &mut *def.write() else {
|
||||
unreachable!()
|
||||
};
|
||||
instance_to_stmt.insert(
|
||||
get_subst_key(
|
||||
unifier,
|
||||
self_type,
|
||||
&subst,
|
||||
Some(&vars.keys().copied().collect()),
|
||||
),
|
||||
FunInstance {
|
||||
body: Arc::new(fun_body),
|
||||
unifier_id: 0,
|
||||
calls: Arc::new(calls),
|
||||
subst,
|
||||
},
|
||||
);
|
||||
}
|
||||
|
||||
Ok(())
|
||||
};
|
||||
|
||||
for (id, (def, ast)) in self.definition_ast_list.iter().enumerate().skip(self.builtin_num) {
|
||||
if ast.is_none() {
|
||||
continue;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user