nac3core: change the place to unify constructor type for function body type check
add really basic field initialize check
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@ -1160,13 +1160,69 @@ impl TopLevelComposer {
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/// step 5, analyze and call type inferecer to fill the `instance_to_stmt` of topleveldef::function
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fn analyze_function_instance(&mut self) -> Result<(), String> {
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// first get the class contructor type correct for the following type check in function body
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// also do class field instantiation check
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for (def, _) in self.definition_ast_list.iter().skip(self.built_in_num) {
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let class_def = def.read();
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if let TopLevelDef::Class {
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constructor,
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methods,
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fields,
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type_vars,
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name,
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object_id,
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resolver: _,
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..
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} = &*class_def
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{
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let mut has_init = false;
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// get the class contructor type correct
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let (contor_args, contor_type_vars) = {
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let mut constructor_args: Vec<FuncArg> = Vec::new();
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let mut type_vars: HashMap<u32, Type> = HashMap::new();
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for (name, func_sig, ..) in methods {
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if name == "__init__" {
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has_init = true;
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if let TypeEnum::TFunc(sig) = self.unifier.get_ty(*func_sig).as_ref() {
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let FunSignature { args, vars, .. } = &*sig.borrow();
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constructor_args.extend_from_slice(args);
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type_vars.extend(vars);
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} else {
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unreachable!("must be typeenum::tfunc")
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}
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}
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}
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(constructor_args, type_vars)
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};
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let self_type = get_type_from_type_annotation_kinds(
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self.extract_def_list().as_slice(),
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&mut self.unifier,
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&self.primitives_ty,
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&make_self_type_annotation(type_vars, *object_id),
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)?;
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let contor_type = self.unifier.add_ty(TypeEnum::TFunc(
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FunSignature { args: contor_args, ret: self_type, vars: contor_type_vars }
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.into(),
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));
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self.unifier.unify(constructor.unwrap(), contor_type)?;
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// class field instantiation check
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// TODO: this is a really simple one, more check later
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if !has_init && !fields.is_empty() {
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return Err(format!("fields of class {} not fully initialized", name))
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}
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}
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}
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// type inference inside function body
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for (id, (def, ast)) in self.definition_ast_list.iter().enumerate().skip(self.built_in_num)
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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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name,
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simple_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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@ -1179,7 +1235,7 @@ impl TopLevelComposer {
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if let Some(class_id) = self.method_class.get(&DefinitionId(id)) {
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let class_def = self.definition_ast_list.get(class_id.0).unwrap();
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let class_def = class_def.0.read();
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if let TopLevelDef::Class { type_vars, constructor, .. } = &*class_def {
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if let TopLevelDef::Class { type_vars, .. } = &*class_def {
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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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self.extract_def_list().as_slice(),
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@ -1187,16 +1243,6 @@ impl TopLevelComposer {
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&self.primitives_ty,
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&ty_ann,
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)?;
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if simple_name == "__init__" {
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let fn_type = self.unifier.add_ty(TypeEnum::TFunc(
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RefCell::new(FunSignature {
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args: args.clone(),
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ret: self_ty,
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vars: vars.clone(),
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}),
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));
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self.unifier.unify(fn_type, constructor.unwrap())?;
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}
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Some(self_ty)
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} else {
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unreachable!("must be class def")
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@ -9,10 +9,11 @@ int output(int x) {
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putchar('\n');
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} else {
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if(x < strlen(chars)) {
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putchar(chars[x]);
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// putchar(chars[x]);
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printf("%d\n", x);
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} else {
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// printf("ERROR\n");
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printf("%d", x);
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printf("%d\n", x);
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}
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}
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return 0;
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@ -1,13 +1,24 @@
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class A:
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a: int32
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b: B
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def __init__(self, a: int32):
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self.a = a
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self.b = B(a + 1)
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def get_a(self) -> int32:
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return self.a
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def get_self(self) -> A:
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return self
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def get_b(self) -> B:
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return self.b
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class B:
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b: int32
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def __init__(self, a: int32):
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self.b = a
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def run() -> int32:
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a = A(10)
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@ -16,5 +27,6 @@ def run() -> int32:
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a = A(20)
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output(a.a)
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output(a.get_a())
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output(a.get_b().b)
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return 0
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@ -5,7 +5,7 @@ use inkwell::{
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OptimizationLevel,
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};
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use nac3core::typecheck::type_inferencer::PrimitiveStore;
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use rustpython_parser::{parser, ast::StmtKind};
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use rustpython_parser::parser;
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use std::{collections::HashMap, path::Path, sync::Arc};
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use nac3core::{
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@ -52,17 +52,12 @@ fn main() {
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);
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for stmt in parser::parse_program(&program).unwrap().into_iter() {
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let is_class = matches!(stmt.node, StmtKind::ClassDef{ .. });
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let (name, def_id, ty) = composer.register_top_level(
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stmt,
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Some(resolver.clone()),
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"__main__".into(),
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).unwrap();
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if is_class {
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internal_resolver.add_id_type(name.clone(), ty.unwrap());
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}
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internal_resolver.add_id_def(name.clone(), def_id);
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if let Some(ty) = ty {
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internal_resolver.add_id_type(name, ty);
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