diff --git a/nac3core/src/symbol_resolver.rs b/nac3core/src/symbol_resolver.rs index 7d34423f..8efcd435 100644 --- a/nac3core/src/symbol_resolver.rs +++ b/nac3core/src/symbol_resolver.rs @@ -1,6 +1,6 @@ use crate::location::Location; -use crate::typecheck::typedef::Type; use crate::top_level::DefinitionId; +use crate::typecheck::typedef::Type; use rustpython_parser::ast::Expr; #[derive(Clone, PartialEq)] @@ -21,5 +21,5 @@ pub trait SymbolResolver { fn get_symbol_value(&self, str: &str) -> Option; fn get_symbol_location(&self, str: &str) -> Option; fn get_module_resolver(&self, module_name: &str) -> Option<&dyn SymbolResolver>; // NOTE: for getting imported modules' symbol resolver? - // handle function call etc. + // handle function call etc. } diff --git a/nac3core/src/top_level.rs b/nac3core/src/top_level.rs index 856222d4..ea482555 100644 --- a/nac3core/src/top_level.rs +++ b/nac3core/src/top_level.rs @@ -27,7 +27,7 @@ pub enum TopLevelDef { // ancestor classes, including itself. ancestors: Vec, // symbol resolver of the module defined the class, none if it is built-in type - resolver: Option>> + resolver: Option>>, }, Function { // prefix for symbol, should be unique globally, and not ending with numbers @@ -47,7 +47,7 @@ pub enum TopLevelDef { /// rigid type variables that would be substituted when the function is instantiated. instance_to_stmt: HashMap>, usize)>, // symbol resolver of the module defined the class - resolver: Option>> + resolver: Option>>, }, Initializer { class_id: DefinitionId, @@ -83,20 +83,19 @@ pub struct CodeGenContext<'ctx> { pub loop_bb: Option<(BasicBlock<'ctx>, BasicBlock<'ctx>)>, } - pub fn name_mangling(mut class_name: String, method_name: &str) -> String { // need to further extend to more name mangling like instantiations of typevar class_name.push_str(method_name); class_name } -pub struct TopLevelDefInfo { +pub struct TopLevelDefInfo { // like adding some info on top of the TopLevelDef for later parsing the class bases, method, // and function sigatures - def: TopLevelDef, // the definition entry - ty: Type, // the entry in the top_level unifier - ast: Option>, // the ast submitted by applications, primitives and class methods will have None value here - // resolver: Option<&'a dyn SymbolResolver> // the resolver + def: TopLevelDef, // the definition entry + ty: Type, // the entry in the top_level unifier + ast: Option>, // the ast submitted by applications, primitives and class methods will have None value here + // resolver: Option<&'a dyn SymbolResolver> // the resolver } pub struct TopLevelComposer { @@ -171,28 +170,35 @@ impl TopLevelComposer { } /// already include the definition_id of itself inside the ancestors vector - pub fn make_top_level_class_def(index: usize, resolver: Option>>) -> TopLevelDef { + pub fn make_top_level_class_def( + index: usize, + resolver: Option>>, + ) -> TopLevelDef { TopLevelDef::Class { object_id: DefinitionId(index), type_vars: Default::default(), fields: Default::default(), methods: Default::default(), ancestors: vec![DefinitionId(index)], - resolver + resolver, } } - pub fn make_top_level_function_def(name: String, ty: Type, resolver: Option>>) -> TopLevelDef { + pub fn make_top_level_function_def( + name: String, + ty: Type, + resolver: Option>>, + ) -> TopLevelDef { TopLevelDef::Function { name, signature: ty, instance_to_symbol: Default::default(), instance_to_stmt: Default::default(), - resolver + resolver, } } - // like to make and return a "primitive" symbol resolver? so that the symbol resolver + // like to make and return a "primitive" symbol resolver? so that the symbol resolver // can later figure out primitive type definitions when passed a primitive type name pub fn get_primitives_definition(&self) -> Vec<(String, DefinitionId, Type)> { vec![ @@ -207,13 +213,13 @@ impl TopLevelComposer { pub fn register_top_level( &mut self, ast: ast::Stmt<()>, - resolver: Option>> + resolver: Option>>, ) -> Result, String> { match &ast.node { ast::StmtKind::ClassDef { name, body, .. } => { let class_name = name.to_string(); let class_def_id = self.definition_list.len(); - + // add the class to the unifier let ty = self.unifier.add_ty(TypeEnum::TObj { obj_id: DefinitionId(class_def_id), @@ -221,60 +227,58 @@ impl TopLevelComposer { params: Default::default(), }); - let mut ret_vector: Vec<(String, DefinitionId, Type)> = vec![(class_name.clone(), DefinitionId(class_def_id), ty)]; + let mut ret_vector: Vec<(String, DefinitionId, Type)> = + vec![(class_name.clone(), DefinitionId(class_def_id), ty)]; // parse class def body and register class methods into the def list - // NOTE: module's symbol resolver would not know the name of the class methods, - // thus cannot return their definition_id? so we have to manage it ourselves? - // or do we return the class method list of (method_name, def_id, type) to + // NOTE: module's symbol resolver would not know the name of the class methods, + // thus cannot return their definition_id? so we have to manage it ourselves? + // or do we return the class method list of (method_name, def_id, type) to // application to be used to build symbol resolver? <- current implementation // FIXME: better do not return and let symbol resolver to manage the mangled name for b in body { - if let ast::StmtKind::FunctionDef {name, ..} = &b.node { + if let ast::StmtKind::FunctionDef { name, .. } = &b.node { let fun_name = name_mangling(class_name.clone(), name); let def_id = self.definition_list.len(); // add to unifier - let ty = self.unifier.add_ty(TypeEnum::TFunc(crate::typecheck::typedef::FunSignature { - args: Default::default(), - ret: self.primitives.none, - vars: Default::default() - })); + let ty = self.unifier.add_ty(TypeEnum::TFunc( + crate::typecheck::typedef::FunSignature { + args: Default::default(), + ret: self.primitives.none, + vars: Default::default(), + }, + )); // add to the definition list - self.definition_list.push( - TopLevelDefInfo { - def: Self::make_top_level_function_def(fun_name.clone(), ty, None), // FIXME: - ty, - ast: None // since it is inside the class def body statments - } - ); + self.definition_list.push(TopLevelDefInfo { + def: Self::make_top_level_function_def(fun_name.clone(), ty, None), // FIXME: + ty, + ast: None, // since it is inside the class def body statments + }); ret_vector.push((fun_name, DefinitionId(def_id), ty)); - + // if it is the contructor, special handling is needed. In the above // handling, we still add __init__ function to the class method if name == "__init__" { - self.definition_list.push( - TopLevelDefInfo { - def: TopLevelDef::Initializer { - class_id: DefinitionId(class_def_id) - }, - ty: self.primitives.none, // arbitary picked one - ast: None, // it is inside the class def body statments - } - ) + self.definition_list.push(TopLevelDefInfo { + def: TopLevelDef::Initializer { + class_id: DefinitionId(class_def_id), + }, + ty: self.primitives.none, // arbitary picked one + ast: None, // it is inside the class def body statments + }) // FIXME: should we return this to the symbol resolver?, should be yes } - } else { } // else do nothing + } else { + } // else do nothing } // add to the definition list - self.definition_list.push( - TopLevelDefInfo { - def: Self::make_top_level_class_def(class_def_id, resolver), - ast: Some(ast), - ty, - } - ); - + self.definition_list.push(TopLevelDefInfo { + def: Self::make_top_level_class_def(class_def_id, resolver), + ast: Some(ast), + ty, + }); + Ok(ret_vector) - }, + } ast::StmtKind::FunctionDef { name, .. } => { let fun_name = name.to_string(); @@ -283,18 +287,18 @@ impl TopLevelComposer { let ty = self.unifier.add_ty(TypeEnum::TFunc(crate::typecheck::typedef::FunSignature { args: Default::default(), - ret: self.primitives.none, - vars: Default::default() - })); + ret: self.primitives.none, + vars: Default::default(), + })); // add to the definition list self.definition_list.push(TopLevelDefInfo { - def: Self::make_top_level_function_def( - name.into(), - self.primitives.none, - resolver - ), - ast: Some(ast), - ty, + def: Self::make_top_level_function_def( + name.into(), + self.primitives.none, + resolver, + ), + ast: Some(ast), + ty, }); Ok(vec![(fun_name, DefinitionId(def_id), ty)]) @@ -462,20 +466,25 @@ impl TopLevelComposer { } } - - -pub fn parse_type_var(input: &ast::Expr, resolver: &dyn SymbolResolver) -> Result { +pub fn parse_type_var( + input: &ast::Expr, + resolver: &dyn SymbolResolver, +) -> Result { match &input.node { - ast::ExprKind::Name {id, ..} => { - resolver.get_symbol_type(id).ok_or_else(|| "unknown type variable identifer".to_string()) - }, + ast::ExprKind::Name { id, .. } => resolver + .get_symbol_type(id) + .ok_or_else(|| "unknown type variable identifer".to_string()), - ast::ExprKind::Attribute {value, attr, ..} => { - if let ast::ExprKind::Name {id, ..} = &value.node { - let next_resolver = resolver.get_module_resolver(id).ok_or_else(|| "unknown imported module".to_string())?; - next_resolver.get_symbol_type(attr).ok_or_else(|| "unknown type variable identifer".to_string()) + ast::ExprKind::Attribute { value, attr, .. } => { + if let ast::ExprKind::Name { id, .. } = &value.node { + let next_resolver = resolver + .get_module_resolver(id) + .ok_or_else(|| "unknown imported module".to_string())?; + next_resolver + .get_symbol_type(attr) + .ok_or_else(|| "unknown type variable identifer".to_string()) } else { - unimplemented!() + unimplemented!() // recursively resolve attr thing, FIXME: new problem: how do we handle this? // # A.py // class A: @@ -486,8 +495,8 @@ pub fn parse_type_var(input: &ast::Expr, resolver: &dyn SymbolResolver) -> // class B(Generic[A.A.T]): // pass } - }, + } - _ => Err("not supported".into()) + _ => Err("not supported".into()), } } diff --git a/nac3core/src/typecheck/magic_methods.rs b/nac3core/src/typecheck/magic_methods.rs index 9d374394..29615aa2 100644 --- a/nac3core/src/typecheck/magic_methods.rs +++ b/nac3core/src/typecheck/magic_methods.rs @@ -1,8 +1,11 @@ +use crate::typecheck::{ + type_inferencer::*, + typedef::{FunSignature, FuncArg, Type, TypeEnum, Unifier}, +}; +use rustpython_parser::ast; +use rustpython_parser::ast::{Cmpop, Operator, Unaryop}; use std::borrow::Borrow; use std::collections::HashMap; -use rustpython_parser::ast::{Cmpop, Operator, Unaryop}; -use crate::typecheck::{type_inferencer::*, typedef::{FunSignature, FuncArg, TypeEnum, Unifier, Type}}; -use rustpython_parser::ast; pub fn binop_name(op: &Operator) -> &'static str { match op { @@ -42,206 +45,218 @@ pub fn binop_assign_name(op: &Operator) -> &'static str { pub fn unaryop_name(op: &Unaryop) -> &'static str { match op { - Unaryop::UAdd => "__pos__", - Unaryop::USub => "__neg__", - Unaryop::Not => "__not__", + Unaryop::UAdd => "__pos__", + Unaryop::USub => "__neg__", + Unaryop::Not => "__not__", Unaryop::Invert => "__inv__", } } pub fn comparison_name(op: &Cmpop) -> Option<&'static str> { match op { - Cmpop::Lt => Some("__lt__"), - Cmpop::LtE => Some("__le__"), - Cmpop::Gt => Some("__gt__"), - Cmpop::GtE => Some("__ge__"), - Cmpop::Eq => Some("__eq__"), + Cmpop::Lt => Some("__lt__"), + Cmpop::LtE => Some("__le__"), + Cmpop::Gt => Some("__gt__"), + Cmpop::GtE => Some("__ge__"), + Cmpop::Eq => Some("__eq__"), Cmpop::NotEq => Some("__ne__"), _ => None, } } -pub fn impl_binop(unifier: &mut Unifier, _store: &PrimitiveStore, ty: Type, other_ty: &[Type], ret_ty: Type, ops: &[ast::Operator]) { - if let TypeEnum::TObj {fields, ..} = unifier.get_ty(ty).borrow() { +pub fn impl_binop( + unifier: &mut Unifier, + _store: &PrimitiveStore, + ty: Type, + other_ty: &[Type], + ret_ty: Type, + ops: &[ast::Operator], +) { + if let TypeEnum::TObj { fields, .. } = unifier.get_ty(ty).borrow() { for op in ops { - fields.borrow_mut().insert( - binop_name(op).into(), - { - let other = if other_ty.len() == 1 { - other_ty[0] - } else { - unifier.get_fresh_var_with_range(other_ty).0 - }; - unifier.add_ty(TypeEnum::TFunc(FunSignature { - ret: ret_ty, - vars: HashMap::new(), - args: vec![FuncArg { - ty: other, - default_value: None, - name: "other".into() - }] - })) - } - ); + fields.borrow_mut().insert(binop_name(op).into(), { + let other = if other_ty.len() == 1 { + other_ty[0] + } else { + unifier.get_fresh_var_with_range(other_ty).0 + }; + unifier.add_ty(TypeEnum::TFunc(FunSignature { + ret: ret_ty, + vars: HashMap::new(), + args: vec![FuncArg { ty: other, default_value: None, name: "other".into() }], + })) + }); - fields.borrow_mut().insert( - binop_assign_name(op).into(), - { - let other = if other_ty.len() == 1 { - other_ty[0] - } else { - unifier.get_fresh_var_with_range(other_ty).0 - }; - unifier.add_ty(TypeEnum::TFunc(FunSignature { - ret: ret_ty, - vars: HashMap::new(), - args: vec![FuncArg { - ty: other, - default_value: None, - name: "other".into() - }] - })) - } - ); + fields.borrow_mut().insert(binop_assign_name(op).into(), { + let other = if other_ty.len() == 1 { + other_ty[0] + } else { + unifier.get_fresh_var_with_range(other_ty).0 + }; + unifier.add_ty(TypeEnum::TFunc(FunSignature { + ret: ret_ty, + vars: HashMap::new(), + args: vec![FuncArg { ty: other, default_value: None, name: "other".into() }], + })) + }); } - } else { unreachable!("") } + } else { + unreachable!("") + } } -pub fn impl_unaryop(unifier: &mut Unifier, _store: &PrimitiveStore, ty: Type, ret_ty: Type, ops: &[ast::Unaryop]) { - if let TypeEnum::TObj {fields, ..} = unifier.get_ty(ty).borrow() { +pub fn impl_unaryop( + unifier: &mut Unifier, + _store: &PrimitiveStore, + ty: Type, + ret_ty: Type, + ops: &[ast::Unaryop], +) { + if let TypeEnum::TObj { fields, .. } = unifier.get_ty(ty).borrow() { 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![] - })) + args: vec![], + })), ); } - } else { unreachable!() } + } else { + unreachable!() + } } -pub fn impl_cmpop(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: Type, ops: &[ast::Cmpop]) { - if let TypeEnum::TObj {fields, ..} = unifier.get_ty(ty).borrow() { +pub fn impl_cmpop( + unifier: &mut Unifier, + store: &PrimitiveStore, + ty: Type, + other_ty: Type, + ops: &[ast::Cmpop], +) { + if let TypeEnum::TObj { fields, .. } = unifier.get_ty(ty).borrow() { for op in ops { fields.borrow_mut().insert( comparison_name(op).unwrap().into(), unifier.add_ty(TypeEnum::TFunc(FunSignature { ret: store.bool, vars: HashMap::new(), - args: vec![FuncArg { - ty: other_ty, - default_value: None, - name: "other".into() - }] - })) + args: vec![FuncArg { ty: other_ty, default_value: None, name: "other".into() }], + })), ); } - } else { unreachable!() } + } else { + unreachable!() + } } /// Add, Sub, Mult, Pow -pub fn impl_basic_arithmetic(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: &[Type], ret_ty: Type) { - impl_binop(unifier, store, ty, other_ty, ret_ty, &[ - ast::Operator::Add, - ast::Operator::Sub, - ast::Operator::Mult, - ]) +pub fn impl_basic_arithmetic( + unifier: &mut Unifier, + store: &PrimitiveStore, + ty: Type, + other_ty: &[Type], + ret_ty: Type, +) { + impl_binop( + unifier, + store, + ty, + other_ty, + ret_ty, + &[ast::Operator::Add, ast::Operator::Sub, ast::Operator::Mult], + ) } -pub fn impl_pow(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: &[Type], ret_ty: Type) { - impl_binop(unifier, store, ty, other_ty, ret_ty, &[ - ast::Operator::Pow, - ]) +pub fn impl_pow( + unifier: &mut Unifier, + store: &PrimitiveStore, + ty: Type, + other_ty: &[Type], + ret_ty: Type, +) { + impl_binop(unifier, store, ty, other_ty, ret_ty, &[ast::Operator::Pow]) } /// BitOr, BitXor, BitAnd pub fn impl_bitwise_arithmetic(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) { - impl_binop(unifier, store, ty, &[ty], ty, &[ - ast::Operator::BitAnd, - ast::Operator::BitOr, - ast::Operator::BitXor, - ]) + impl_binop( + unifier, + store, + ty, + &[ty], + ty, + &[ast::Operator::BitAnd, ast::Operator::BitOr, ast::Operator::BitXor], + ) } /// LShift, RShift pub fn impl_bitwise_shift(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) { - impl_binop(unifier, store, ty, &[ty], ty, &[ - ast::Operator::LShift, - ast::Operator::RShift, - ]) + impl_binop(unifier, store, ty, &[ty], ty, &[ast::Operator::LShift, ast::Operator::RShift]) } /// Div pub fn impl_div(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: &[Type]) { - impl_binop(unifier, store, ty, other_ty, store.float, &[ - ast::Operator::Div, - ]) + impl_binop(unifier, store, ty, other_ty, store.float, &[ast::Operator::Div]) } /// FloorDiv -pub fn impl_floordiv(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: &[Type], ret_ty: Type) { - impl_binop(unifier, store, ty, other_ty, ret_ty, &[ - ast::Operator::FloorDiv, - ]) +pub fn impl_floordiv( + unifier: &mut Unifier, + store: &PrimitiveStore, + ty: Type, + other_ty: &[Type], + ret_ty: Type, +) { + impl_binop(unifier, store, ty, other_ty, ret_ty, &[ast::Operator::FloorDiv]) } /// Mod -pub fn impl_mod(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: &[Type], ret_ty: Type) { - impl_binop(unifier, store, ty, other_ty, ret_ty, &[ - ast::Operator::Mod, - ]) +pub fn impl_mod( + unifier: &mut Unifier, + store: &PrimitiveStore, + ty: Type, + other_ty: &[Type], + ret_ty: Type, +) { + impl_binop(unifier, store, ty, other_ty, ret_ty, &[ast::Operator::Mod]) } /// UAdd, USub pub fn impl_sign(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) { - impl_unaryop(unifier, store, ty, ty, &[ - ast::Unaryop::UAdd, - ast::Unaryop::USub, - ]) + impl_unaryop(unifier, store, ty, ty, &[ast::Unaryop::UAdd, ast::Unaryop::USub]) } /// Invert pub fn impl_invert(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) { - impl_unaryop(unifier, store, ty, ty, &[ - ast::Unaryop::Invert, - ]) + impl_unaryop(unifier, store, ty, ty, &[ast::Unaryop::Invert]) } /// Not pub fn impl_not(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) { - impl_unaryop(unifier, store, ty, store.bool, &[ - ast::Unaryop::Not, - ]) + impl_unaryop(unifier, store, ty, store.bool, &[ast::Unaryop::Not]) } /// Lt, LtE, Gt, GtE pub fn impl_comparison(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type, other_ty: Type) { - impl_cmpop(unifier, store, ty, other_ty, &[ - ast::Cmpop::Lt, - ast::Cmpop::Gt, - ast::Cmpop::LtE, - ast::Cmpop::GtE, - ]) + impl_cmpop( + unifier, + store, + ty, + other_ty, + &[ast::Cmpop::Lt, ast::Cmpop::Gt, ast::Cmpop::LtE, ast::Cmpop::GtE], + ) } /// Eq, NotEq pub fn impl_eq(unifier: &mut Unifier, store: &PrimitiveStore, ty: Type) { - impl_cmpop(unifier, store, ty, ty, &[ - ast::Cmpop::Eq, - ast::Cmpop::NotEq, - ]) + impl_cmpop(unifier, store, ty, ty, &[ast::Cmpop::Eq, ast::Cmpop::NotEq]) } pub fn set_primitives_magic_methods(store: &PrimitiveStore, unifier: &mut Unifier) { - let PrimitiveStore { - int32: int32_t, - int64: int64_t, - float: float_t, - bool: bool_t, - .. - } = *store; + let PrimitiveStore { int32: int32_t, int64: int64_t, float: float_t, bool: bool_t, .. } = + *store; /* int32 ======== */ impl_basic_arithmetic(unifier, store, int32_t, &[int32_t], int32_t); impl_pow(unifier, store, int32_t, &[int32_t], int32_t);