forked from M-Labs/nac3
formatted
This commit is contained in:
parent
79ce13722a
commit
fa40fd73c6
@ -200,13 +200,7 @@ impl TopLevelComposer {
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ast: ast::Stmt<()>,
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resolver: Option<Arc<Mutex<dyn SymbolResolver + Send + Sync>>>,
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) -> Result<(String, DefinitionId), String> {
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let (
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mut def_list,
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mut ast_list
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) = (
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self.definition_list.write(),
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self.ast_list.write()
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);
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let (mut def_list, mut ast_list) = (self.definition_list.write(), self.ast_list.write());
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assert_eq!(def_list.len(), ast_list.len());
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@ -235,11 +229,14 @@ impl TopLevelComposer {
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def_list.push(
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Self::make_top_level_function_def(
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fun_name.clone(),
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self.unifier.write().add_ty(TypeEnum::TFunc(FunSignature {
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self.unifier.write().add_ty(TypeEnum::TFunc(
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FunSignature {
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args: Default::default(),
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ret: self.primitives.none.into(),
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vars: Default::default(),
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}.into())),
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}
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.into(),
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)),
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resolver.clone(),
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)
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.into(),
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@ -256,17 +253,14 @@ impl TopLevelComposer {
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ast_list[class_def_id] = Some(ast);
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// put the constructor into the def_list
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def_list.push(
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TopLevelDef::Initializer { class_id: DefinitionId(class_def_id) }
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.into(),
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);
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def_list
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.push(TopLevelDef::Initializer { class_id: DefinitionId(class_def_id) }.into());
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ast_list.push(None);
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// class, put its def_id into the to be analyzed set
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let mut to_be_analyzed = self.to_be_analyzed_class.write();
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to_be_analyzed.push(DefinitionId(class_def_id));
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Ok((class_name, DefinitionId(class_def_id)))
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}
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@ -297,25 +291,22 @@ impl TopLevelComposer {
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for (class_def, class_ast) in def_list
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.iter_mut()
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.zip(ast_list.iter())
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.collect::<Vec<(&mut RwLock<TopLevelDef>, &Option<ast::Stmt<()>>)>>() {
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.collect::<Vec<(&mut RwLock<TopLevelDef>, &Option<ast::Stmt<()>>)>>()
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{
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// only deal with class def here
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let (
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class_bases,
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class_def_type_vars,
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class_resolver
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) = {
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if let TopLevelDef::Class {
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type_vars,
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resolver,
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..
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} = class_def.get_mut() {
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if let Some(ast::Located {node: ast::StmtKind::ClassDef {
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bases,
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..
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}, .. }) = class_ast {
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let (class_bases, class_def_type_vars, class_resolver) = {
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if let TopLevelDef::Class { type_vars, resolver, .. } = class_def.get_mut() {
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if let Some(ast::Located {
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node: ast::StmtKind::ClassDef { bases, .. }, ..
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}) = class_ast
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{
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(bases, type_vars, resolver)
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} else { unreachable!("must be both class") }
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} else { continue }
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} else {
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unreachable!("must be both class")
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}
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} else {
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continue;
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}
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};
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let mut is_generic = false;
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@ -326,7 +317,8 @@ 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, ..} if {
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ast::ExprKind::Subscript { value, slice, .. }
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if {
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// can only be `Generic[...]` and this can only appear once
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if let ast::ExprKind::Name { id, .. } = &value.node {
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if id == "Generic" {
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@ -334,41 +326,47 @@ impl TopLevelComposer {
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is_generic = true;
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true
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} else {
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return Err("Only single Generic[...] can be in bases".into())
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return Err(
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"Only single Generic[...] can be in bases".into()
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);
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}
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} else { false }
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} else { false }
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} => {
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} else {
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false
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}
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} else {
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false
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}
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} =>
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{
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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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// parse the type vars
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let type_vars = elts
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.iter()
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.map(|e|
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class_resolver
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.as_ref()
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.unwrap()
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.lock()
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.parse_type_annotation(
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.map(|e| {
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class_resolver.as_ref().unwrap().lock().parse_type_annotation(
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&self.to_top_level_context(),
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unifier.borrow_mut(),
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&self.primitives,
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e)
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e,
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)
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})
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.collect::<Result<Vec<_>, _>>()?;
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// check if all are unique type vars
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let mut occured_type_var_id: HashSet<u32> = HashSet::new();
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let all_unique_type_var = type_vars
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.iter()
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.all(|x| {
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let all_unique_type_var = type_vars.iter().all(|x| {
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let ty = unifier.get_ty(*x);
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if let TypeEnum::TVar { id, .. } = ty.as_ref() {
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occured_type_var_id.insert(*id)
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} else { false }
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} else {
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false
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}
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});
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if !all_unique_type_var { return Err("expect unique type variables".into()) }
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if !all_unique_type_var {
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return Err("expect unique type variables".into());
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}
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// add to TopLevelDef
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class_def_type_vars.extend(type_vars);
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@ -376,22 +374,18 @@ impl TopLevelComposer {
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// `class A(Generic[T])`
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} else {
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let ty =
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class_resolver
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.as_ref()
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.unwrap()
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.lock()
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.parse_type_annotation(
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class_resolver.as_ref().unwrap().lock().parse_type_annotation(
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&self.to_top_level_context(),
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unifier.borrow_mut(),
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&self.primitives,
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&slice
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&slice,
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)?;
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// check if it is type var
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let is_type_var = matches!(
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unifier.get_ty(ty).as_ref(),
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&TypeEnum::TVar { .. }
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);
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if !is_type_var { return Err("expect type variable here".into()) }
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let is_type_var =
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matches!(unifier.get_ty(ty).as_ref(), &TypeEnum::TVar { .. });
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if !is_type_var {
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return Err("expect type variable here".into());
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}
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// add to TopLevelDef
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class_def_type_vars.push(ty);
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@ -399,11 +393,10 @@ impl TopLevelComposer {
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}
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// if others, do nothing in this function
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_ => continue
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_ => continue,
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}
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}
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}
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};
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Ok(())
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}
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@ -420,30 +413,29 @@ impl TopLevelComposer {
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for (class_def, class_ast) in def_list
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.iter_mut()
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.zip(ast_list.iter())
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.collect::<Vec<(&mut RwLock<TopLevelDef>, &Option<ast::Stmt<()>>)>>() {
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let (
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class_bases,
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class_ancestors,
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class_resolver
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) = {
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if let TopLevelDef::Class {
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ancestors,
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resolver,
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..
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} = class_def.get_mut() {
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if let Some(ast::Located {node: ast::StmtKind::ClassDef {
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bases,
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..
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}, .. }) = class_ast {
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.collect::<Vec<(&mut RwLock<TopLevelDef>, &Option<ast::Stmt<()>>)>>()
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{
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let (class_bases, class_ancestors, class_resolver) = {
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if let TopLevelDef::Class { ancestors, resolver, .. } = class_def.get_mut() {
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if let Some(ast::Located {
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node: ast::StmtKind::ClassDef { bases, .. }, ..
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}) = class_ast
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{
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(bases, ancestors, resolver)
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} else { unreachable!("must be both class") }
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} else { continue }
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} else {
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unreachable!("must be both class")
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}
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} else {
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continue;
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}
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};
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for b in class_bases {
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// type vars have already been handled, so skip on `Generic[...]`
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if let ast::ExprKind::Subscript { value, .. } = &b.node {
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if let ast::ExprKind::Name { id, .. } = &value.node {
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if id == "Generic" { continue }
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if id == "Generic" {
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continue;
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}
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}
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}
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// get the def id of the base class
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@ -451,18 +443,19 @@ impl TopLevelComposer {
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&self.to_top_level_context(),
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unifier.borrow_mut(),
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&self.primitives,
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b
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b,
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)?;
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let base_id =
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if let TypeEnum::TObj { obj_id, .. } = unifier.get_ty(base_ty).as_ref() {
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*obj_id
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} else { return Err("expect concrete class/type to be base class".into()) };
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} else {
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return Err("expect concrete class/type to be base class".into());
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};
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// write to the class ancestors
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class_ancestors.push(base_id);
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}
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};
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}
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Ok(())
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}
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@ -478,21 +471,18 @@ impl TopLevelComposer {
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let class_ind = to_be_analyzed_class.remove(0).0;
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let (class_name, class_body) = {
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let class_ast = &ast_list[class_ind];
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if let Some(
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ast::Located { node:
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ast::StmtKind::ClassDef {
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name,
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body,
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..
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},
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..
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}
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) = class_ast {
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if let Some(ast::Located {
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node: ast::StmtKind::ClassDef { name, body, .. }, ..
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}) = class_ast
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{
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(name, body)
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} else { unreachable!("should be class def ast") }
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} else {
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unreachable!("should be class def ast")
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}
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};
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let class_methods_parsing_result: Vec<(String, Type, DefinitionId)> = Default::default();
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let class_methods_parsing_result: Vec<(String, Type, DefinitionId)> =
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Default::default();
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let class_fields_parsing_result: Vec<(String, Type)> = Default::default();
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for b in class_body {
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if let ast::StmtKind::FunctionDef {
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@ -501,25 +491,24 @@ impl TopLevelComposer {
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name: method_name,
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returns: method_returns_ast,
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..
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} = &b.node {
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} = &b.node
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{
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let (class_def, method_def) = {
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// unwrap should not fail
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let method_ind = class_method_to_def_id
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.get(&Self::name_mangling(
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class_name.into(),
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method_name)
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).unwrap().0;
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.get(&Self::name_mangling(class_name.into(), method_name))
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.unwrap()
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.0;
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// split the def_list to two parts to get the
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// mutable reference to both the method and the class
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assert_ne!(method_ind, class_ind);
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let min_ind = (if method_ind > class_ind { class_ind } else { method_ind }) + 1;
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let (head_slice,
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tail_slice
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) = def_list.split_at_mut(min_ind);
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let min_ind =
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(if method_ind > class_ind { class_ind } else { method_ind }) + 1;
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let (head_slice, tail_slice) = def_list.split_at_mut(min_ind);
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let (new_method_ind, new_class_ind) = (
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if method_ind >= min_ind { method_ind - min_ind } else { method_ind },
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if class_ind >= min_ind { class_ind - min_ind } else { class_ind }
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if class_ind >= min_ind { class_ind - min_ind } else { class_ind },
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);
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if new_class_ind == class_ind {
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(&mut head_slice[new_class_ind], &mut tail_slice[new_method_ind])
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@ -527,19 +516,14 @@ impl TopLevelComposer {
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(&mut tail_slice[new_class_ind], &mut head_slice[new_method_ind])
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}
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};
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let (
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class_fields,
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class_methods,
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class_resolver
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) = {
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if let TopLevelDef::Class {
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resolver,
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fields,
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methods,
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..
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} = class_def.get_mut() {
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let (class_fields, class_methods, class_resolver) = {
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if let TopLevelDef::Class { resolver, fields, methods, .. } =
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class_def.get_mut()
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{
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(fields, methods, resolver)
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} else { unreachable!("must be class def here") }
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} else {
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unreachable!("must be class def here")
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}
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};
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let arg_tys = method_args_ast
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@ -550,18 +534,17 @@ impl TopLevelComposer {
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.node
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.annotation
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.as_ref()
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.ok_or_else(|| "type annotation for function parameter is needed".to_string())?
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.ok_or_else(|| {
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"type annotation for function parameter is needed".to_string()
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})?
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.as_ref();
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let ty = class_resolver
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.as_ref()
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.unwrap()
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.lock()
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.parse_type_annotation(
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let ty =
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class_resolver.as_ref().unwrap().lock().parse_type_annotation(
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&self.to_top_level_context(),
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unifier.borrow_mut(),
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&self.primitives,
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annotation
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annotation,
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)?;
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Ok(ty)
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})
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@ -569,19 +552,14 @@ impl TopLevelComposer {
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let ret_ty = method_returns_ast
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.as_ref()
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.and_then(|x| {
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Some(
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class_resolver
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.as_ref()
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.unwrap()
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.lock()
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.parse_type_annotation(
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Some(class_resolver.as_ref().unwrap().lock().parse_type_annotation(
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&self.to_top_level_context(),
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unifier.borrow_mut(),
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&self.primitives,
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x.as_ref()
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)
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)
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}).unwrap()?;
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x.as_ref(),
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))
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})
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.unwrap()?;
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let all_tys_ok = {
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let ret_ty_iter = vec![ret_ty];
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@ -592,16 +570,19 @@ impl TopLevelComposer {
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match type_enum.as_ref() {
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TypeEnum::TObj { obj_id, .. } => {
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!to_be_analyzed_class.contains(obj_id)
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},
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}
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TypeEnum::TVirtual { ty } => {
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if let TypeEnum::TObj {obj_id, ..} = unifier.get_ty(*ty).as_ref() {
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if let TypeEnum::TObj { obj_id, .. } =
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unifier.get_ty(*ty).as_ref()
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{
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!to_be_analyzed_class.contains(obj_id)
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} else { unreachable!() }
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},
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_ => unreachable!()
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} else {
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unreachable!()
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}
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}
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)
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_ => unreachable!(),
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}
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})
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};
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if all_tys_ok {
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@ -614,7 +595,7 @@ impl TopLevelComposer {
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}
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} else {
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// what should we do with `class A: a = 3`?
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continue
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continue;
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}
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}
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@ -80,11 +80,18 @@ pub fn impl_binop(
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} else {
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unifier.get_fresh_var_with_range(other_ty).0
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};
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unifier.add_ty(TypeEnum::TFunc(FunSignature {
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unifier.add_ty(TypeEnum::TFunc(
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FunSignature {
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ret: ret_ty,
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vars: HashMap::new(),
|
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args: vec![FuncArg { ty: other, default_value: None, name: "other".into() }],
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}.into()))
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args: vec![FuncArg {
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ty: other,
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default_value: None,
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name: "other".into(),
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}],
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}
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.into(),
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))
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});
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fields.borrow_mut().insert(binop_assign_name(op).into(), {
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@ -93,11 +100,18 @@ pub fn impl_binop(
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} else {
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unifier.get_fresh_var_with_range(other_ty).0
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};
|
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unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
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unifier.add_ty(TypeEnum::TFunc(
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FunSignature {
|
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ret: ret_ty,
|
||||
vars: HashMap::new(),
|
||||
args: vec![FuncArg { ty: other, default_value: None, name: "other".into() }],
|
||||
}.into()))
|
||||
args: vec![FuncArg {
|
||||
ty: other,
|
||||
default_value: None,
|
||||
name: "other".into(),
|
||||
}],
|
||||
}
|
||||
.into(),
|
||||
))
|
||||
});
|
||||
}
|
||||
} else {
|
||||
@ -116,11 +130,9 @@ pub fn impl_unaryop(
|
||||
for op in ops {
|
||||
fields.borrow_mut().insert(
|
||||
unaryop_name(op).into(),
|
||||
unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
ret: ret_ty,
|
||||
vars: HashMap::new(),
|
||||
args: vec![],
|
||||
}.into())),
|
||||
unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature { ret: ret_ty, vars: HashMap::new(), args: vec![] }.into(),
|
||||
)),
|
||||
);
|
||||
}
|
||||
} else {
|
||||
@ -139,11 +151,18 @@ pub fn impl_cmpop(
|
||||
for op in ops {
|
||||
fields.borrow_mut().insert(
|
||||
comparison_name(op).unwrap().into(),
|
||||
unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature {
|
||||
ret: store.bool,
|
||||
vars: HashMap::new(),
|
||||
args: vec![FuncArg { ty: other_ty, default_value: None, name: "other".into() }],
|
||||
}.into())),
|
||||
args: vec![FuncArg {
|
||||
ty: other_ty,
|
||||
default_value: None,
|
||||
name: "other".into(),
|
||||
}],
|
||||
}
|
||||
.into(),
|
||||
)),
|
||||
);
|
||||
}
|
||||
} else {
|
||||
|
||||
@ -176,18 +176,19 @@ impl TestEnvironment {
|
||||
|
||||
identifier_mapping.insert(
|
||||
"Foo".into(),
|
||||
unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature {
|
||||
args: vec![],
|
||||
ret: foo_ty,
|
||||
vars: [(id, v0)].iter().cloned().collect(),
|
||||
}.into())),
|
||||
}
|
||||
.into(),
|
||||
)),
|
||||
);
|
||||
|
||||
let fun = unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
args: vec![],
|
||||
ret: int32,
|
||||
vars: Default::default(),
|
||||
}.into()));
|
||||
let fun = unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature { args: vec![], ret: int32, vars: Default::default() }.into(),
|
||||
));
|
||||
let bar = unifier.add_ty(TypeEnum::TObj {
|
||||
obj_id: DefinitionId(6),
|
||||
fields: [("a".into(), int32), ("b".into(), fun)]
|
||||
@ -207,11 +208,9 @@ impl TestEnvironment {
|
||||
}));
|
||||
identifier_mapping.insert(
|
||||
"Bar".into(),
|
||||
unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
args: vec![],
|
||||
ret: bar,
|
||||
vars: Default::default(),
|
||||
}.into())),
|
||||
unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature { args: vec![], ret: bar, vars: Default::default() }.into(),
|
||||
)),
|
||||
);
|
||||
|
||||
let bar2 = unifier.add_ty(TypeEnum::TObj {
|
||||
@ -233,11 +232,9 @@ impl TestEnvironment {
|
||||
}));
|
||||
identifier_mapping.insert(
|
||||
"Bar2".into(),
|
||||
unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
args: vec![],
|
||||
ret: bar2,
|
||||
vars: Default::default(),
|
||||
}.into())),
|
||||
unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature { args: vec![], ret: bar2, vars: Default::default() }.into(),
|
||||
)),
|
||||
);
|
||||
let class_names = [("Bar".into(), bar), ("Bar2".into(), bar2)].iter().cloned().collect();
|
||||
|
||||
|
||||
@ -472,7 +472,8 @@ impl Unifier {
|
||||
}
|
||||
(TCall(calls), TFunc(signature)) => {
|
||||
self.occur_check(a, b)?;
|
||||
let required: Vec<String> = signature.borrow()
|
||||
let required: Vec<String> = signature
|
||||
.borrow()
|
||||
.args
|
||||
.iter()
|
||||
.filter(|v| v.default_value.is_none())
|
||||
@ -494,8 +495,13 @@ impl Unifier {
|
||||
// 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.clone();
|
||||
let mut all_names: Vec<_> =
|
||||
signature.borrow().args.iter().map(|v| (v.name.clone(), v.ty)).rev().collect();
|
||||
let mut all_names: Vec<_> = signature
|
||||
.borrow()
|
||||
.args
|
||||
.iter()
|
||||
.map(|v| (v.name.clone(), v.ty))
|
||||
.rev()
|
||||
.collect();
|
||||
for (i, t) in posargs.iter().enumerate() {
|
||||
if signature.borrow().args.len() <= i {
|
||||
return Err("Too many arguments.".to_string());
|
||||
@ -741,7 +747,11 @@ impl Unifier {
|
||||
let params = new_params.unwrap_or_else(|| params.clone());
|
||||
let ret = new_ret.unwrap_or_else(|| *ret);
|
||||
let args = new_args.into_owned();
|
||||
Some(self.add_ty(TypeEnum::TFunc(FunSignature { args, ret, vars: params }.into())))
|
||||
Some(
|
||||
self.add_ty(TypeEnum::TFunc(
|
||||
FunSignature { args, ret, vars: params }.into(),
|
||||
)),
|
||||
)
|
||||
} else {
|
||||
None
|
||||
}
|
||||
|
||||
@ -329,11 +329,9 @@ fn test_invalid_unification(
|
||||
fn test_virtual() {
|
||||
let mut env = TestEnvironment::new();
|
||||
let int = env.parse("int", &HashMap::new());
|
||||
let fun = env.unifier.add_ty(TypeEnum::TFunc(FunSignature {
|
||||
args: vec![],
|
||||
ret: int,
|
||||
vars: HashMap::new(),
|
||||
}.into()));
|
||||
let fun = env.unifier.add_ty(TypeEnum::TFunc(
|
||||
FunSignature { args: vec![], ret: int, vars: HashMap::new() }.into(),
|
||||
));
|
||||
let bar = env.unifier.add_ty(TypeEnum::TObj {
|
||||
obj_id: DefinitionId(5),
|
||||
fields: [("f".to_string(), fun), ("a".to_string(), int)]
|
||||
|
||||
Loading…
Reference in New Issue
Block a user