forked from M-Labs/nac3
791 lines
21 KiB
Rust
791 lines
21 KiB
Rust
use crate::{
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codegen::CodeGenContext,
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location::Location,
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symbol_resolver::{SymbolResolver, ValueEnum},
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toplevel::DefinitionId,
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typecheck::{
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type_inferencer::PrimitiveStore,
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typedef::{Type, Unifier},
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},
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};
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use indoc::indoc;
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use nac3parser::{ast::fold::Fold, parser::parse_program};
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use parking_lot::Mutex;
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use std::{collections::HashMap, sync::Arc};
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use test_case::test_case;
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use super::*;
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struct ResolverInternal {
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id_to_type: Mutex<HashMap<StrRef, Type>>,
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id_to_def: Mutex<HashMap<StrRef, DefinitionId>>,
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class_names: Mutex<HashMap<StrRef, Type>>,
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}
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impl ResolverInternal {
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fn add_id_def(&self, id: StrRef, def: DefinitionId) {
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self.id_to_def.lock().insert(id, def);
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}
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fn add_id_type(&self, id: StrRef, ty: Type) {
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self.id_to_type.lock().insert(id, ty);
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}
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}
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struct Resolver(Arc<ResolverInternal>);
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impl SymbolResolver for Resolver {
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fn get_default_param_value(&self, _: &nac3parser::ast::Expr) -> Option<crate::symbol_resolver::SymbolValue> {
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unimplemented!()
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}
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fn get_symbol_type(
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&self,
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_: &mut Unifier,
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_: &[Arc<RwLock<TopLevelDef>>],
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_: &PrimitiveStore,
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str: StrRef,
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) -> Result<Type, String> {
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self.0
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.id_to_type
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.lock()
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.get(&str)
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.cloned()
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.ok_or_else(|| format!("cannot find symbol `{}`", str))
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}
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fn get_symbol_value<'ctx, 'a>(
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&self,
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_: StrRef,
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_: &mut CodeGenContext<'ctx, 'a>,
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) -> Option<ValueEnum<'ctx>> {
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unimplemented!()
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}
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fn get_symbol_location(&self, _: StrRef) -> Option<Location> {
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unimplemented!()
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}
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fn get_identifier_def(&self, id: StrRef) -> Option<DefinitionId> {
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self.0.id_to_def.lock().get(&id).cloned()
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}
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}
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#[test_case(
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vec![
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indoc! {"
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def fun(a: int32) -> int32:
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return a
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"},
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indoc! {"
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class A:
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def __init__(self):
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self.a: int32 = 3
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"},
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indoc! {"
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class B:
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def __init__(self):
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self.b: float = 4.3
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def fun(self):
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self.b = self.b + 3.0
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"},
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indoc! {"
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def foo(a: float):
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a + 1.0
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"},
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indoc! {"
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class C(B):
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def __init__(self):
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self.c: int32 = 4
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self.a: bool = True
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"}
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];
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"register"
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)]
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fn test_simple_register(source: Vec<&str>) {
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let mut composer: TopLevelComposer = Default::default();
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for s in source {
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let ast = parse_program(s, Default::default()).unwrap();
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let ast = ast[0].clone();
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composer.register_top_level(ast, None, "".into()).unwrap();
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}
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}
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#[test_case(
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vec![
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indoc! {"
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def fun(a: int32) -> int32:
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return a
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"},
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indoc! {"
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def foo(a: float):
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a + 1.0
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"},
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indoc! {"
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def f(b: int64) -> int32:
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return 3
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"},
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],
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vec![
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"fn[[a=0], 0]",
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"fn[[a=2], 4]",
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"fn[[b=1], 0]",
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],
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vec![
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"fun",
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"foo",
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"f"
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];
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"function compose"
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)]
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fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&str>) {
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let mut composer: TopLevelComposer = Default::default();
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let internal_resolver = Arc::new(ResolverInternal {
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id_to_def: Default::default(),
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id_to_type: Default::default(),
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class_names: Default::default(),
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});
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let resolver =
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Arc::new(Resolver(internal_resolver.clone())) as Arc<dyn SymbolResolver + Send + Sync>;
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for s in source {
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let ast = parse_program(s, Default::default()).unwrap();
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let ast = ast[0].clone();
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let (id, def_id, ty) =
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composer.register_top_level(ast, Some(resolver.clone()), "".into()).unwrap();
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internal_resolver.add_id_def(id, def_id);
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if let Some(ty) = ty {
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internal_resolver.add_id_type(id, ty);
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}
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}
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composer.start_analysis(true).unwrap();
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for (i, (def, _)) in composer.definition_ast_list.iter().skip(composer.builtin_num).enumerate()
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{
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let def = &*def.read();
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if let TopLevelDef::Function { signature, name, .. } = def {
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let ty_str =
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composer
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.unifier
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.stringify(*signature, &mut |id| id.to_string(), &mut |id| id.to_string());
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assert_eq!(ty_str, tys[i]);
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assert_eq!(name, names[i]);
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}
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}
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}
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#[test_case(
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vec![
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indoc! {"
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class A():
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a: int32
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def __init__(self):
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self.a = 3
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def fun(self, b: B):
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pass
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def foo(self, a: T, b: V):
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pass
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"},
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indoc! {"
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class B(C):
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def __init__(self):
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pass
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"},
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indoc! {"
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class C(A):
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def __init__(self):
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pass
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def fun(self, b: B):
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a = 1
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pass
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"},
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indoc! {"
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def foo(a: A):
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pass
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"},
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indoc! {"
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def ff(a: T) -> V:
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pass
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"}
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],
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vec![];
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"simple class compose"
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)]
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#[test_case(
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vec![
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indoc! {"
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class Generic_A(Generic[V], B):
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a: int64
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def __init__(self):
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self.a = 123123123123
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def fun(self, a: int32) -> V:
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pass
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"},
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indoc! {"
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class B:
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aa: bool
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def __init__(self):
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self.aa = False
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def foo(self, b: T):
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pass
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"}
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],
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vec![];
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"generic class"
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)]
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#[test_case(
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vec![
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indoc! {"
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def foo(a: list[int32], b: tuple[T, float]) -> A[B, bool]:
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pass
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"},
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indoc! {"
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class A(Generic[T, V]):
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a: T
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b: V
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def __init__(self, v: V):
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self.a = 1
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self.b = v
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def fun(self, a: T) -> V:
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pass
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"},
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indoc! {"
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def gfun(a: A[list[float], int32]):
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pass
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"},
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indoc! {"
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class B:
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def __init__(self):
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pass
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"}
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],
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vec![];
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"list tuple generic"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(Generic[T, V]):
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a: A[float, bool]
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b: B
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def __init__(self, a: A[float, bool], b: B):
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self.a = a
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self.b = b
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def fun(self, a: A[float, bool]) -> A[bool, int32]:
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pass
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"},
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indoc! {"
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class B(A[int64, bool]):
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def __init__(self):
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pass
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def foo(self, b: B) -> B:
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pass
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def bar(self, a: A[list[B], int32]) -> tuple[A[virtual[A[B, int32]], bool], B]:
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pass
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"}
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],
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vec![];
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"self1"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(Generic[T]):
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a: int32
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b: T
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c: A[int64]
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def __init__(self, t: T):
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self.a = 3
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self.b = T
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def fun(self, a: int32, b: T) -> list[virtual[B[bool]]]:
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pass
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def foo(self, c: C):
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pass
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"},
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indoc! {"
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class B(Generic[V], A[float]):
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d: C
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def __init__(self):
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pass
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def fun(self, a: int32, b: T) -> list[virtual[B[bool]]]:
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# override
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pass
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"},
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indoc! {"
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class C(B[bool]):
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e: int64
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def __init__(self):
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pass
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"}
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],
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vec![];
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"inheritance_override"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(Generic[T]):
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def __init__(self):
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pass
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def fun(self, a: A[T]) -> A[T]:
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pass
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"}
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],
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vec!["application of type vars to generic class is not currently supported (at unknown: line 4 column 24)"];
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"err no type var in generic app"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(B):
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def __init__(self):
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pass
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"},
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indoc! {"
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class B(A):
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def __init__(self):
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pass
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"}
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],
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vec!["cyclic inheritance detected"];
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"cyclic1"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(B[bool, int64]):
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def __init__(self):
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pass
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"},
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indoc! {"
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class B(Generic[V, T], C[int32]):
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def __init__(self):
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pass
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"},
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indoc! {"
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class C(Generic[T], A):
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def __init__(self):
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pass
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"},
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],
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vec!["cyclic inheritance detected"];
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"cyclic2"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A:
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pass
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"}
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],
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vec!["5: Class {\nname: \"A\",\ndef_id: DefinitionId(5),\nancestors: [CustomClassKind { id: DefinitionId(5), params: [] }],\nfields: [],\nmethods: [],\ntype_vars: []\n}"];
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"simple pass in class"
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)]
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#[test_case(
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vec![indoc! {"
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class A:
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def __init__():
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pass
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"}],
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vec!["__init__ method must have a `self` parameter (at unknown: line 2 column 5)"];
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"err no self_1"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(B, Generic[T], C):
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def __init__(self):
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pass
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"},
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indoc! {"
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class B:
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def __init__(self):
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pass
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"},
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indoc! {"
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class C:
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def __init__(self):
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pass
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"}
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],
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vec!["a class definition can only have at most one base class declaration and one generic declaration (at unknown: line 1 column 24)"];
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"err multiple inheritance"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(Generic[T]):
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a: int32
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b: T
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c: A[int64]
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def __init__(self, t: T):
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self.a = 3
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self.b = T
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def fun(self, a: int32, b: T) -> list[virtual[B[bool]]]:
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pass
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"},
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indoc! {"
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class B(Generic[V], A[float]):
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def __init__(self):
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pass
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def fun(self, a: int32, b: T) -> list[virtual[B[int32]]]:
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# override
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pass
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"}
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],
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vec!["method fun has same name as ancestors' method, but incompatible type"];
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"err_incompatible_inheritance_method"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A(Generic[T]):
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a: int32
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b: T
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c: A[int64]
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def __init__(self, t: T):
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self.a = 3
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self.b = T
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def fun(self, a: int32, b: T) -> list[virtual[B[bool]]]:
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pass
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"},
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indoc! {"
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class B(Generic[V], A[float]):
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a: int32
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def __init__(self):
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pass
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def fun(self, a: int32, b: T) -> list[virtual[B[bool]]]:
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# override
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pass
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"}
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],
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vec!["field `a` has already declared in the ancestor classes"];
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"err_incompatible_inheritance_field"
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)]
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#[test_case(
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vec![
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indoc! {"
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class A:
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def __init__(self):
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pass
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"},
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indoc! {"
|
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class A:
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a: int32
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def __init__(self):
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pass
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"}
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],
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vec!["duplicate definition of class `A` (at unknown: line 1 column 1)"];
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"class same name"
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)]
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fn test_analyze(source: Vec<&str>, res: Vec<&str>) {
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let print = false;
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let mut composer: TopLevelComposer = Default::default();
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let internal_resolver = make_internal_resolver_with_tvar(
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vec![
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("T".into(), vec![]),
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("V".into(), vec![composer.primitives_ty.bool, composer.primitives_ty.int32]),
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("G".into(), vec![composer.primitives_ty.bool, composer.primitives_ty.int64]),
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],
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&mut composer.unifier,
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print,
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);
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let resolver =
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Arc::new(Resolver(internal_resolver.clone())) as Arc<dyn SymbolResolver + Send + Sync>;
|
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|
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for s in source {
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let ast = parse_program(s, Default::default()).unwrap();
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let ast = ast[0].clone();
|
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|
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let (id, def_id, ty) = {
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match composer.register_top_level(ast, Some(resolver.clone()), "".into()) {
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Ok(x) => x,
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Err(msg) => {
|
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if print {
|
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println!("{}", msg);
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} else {
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assert_eq!(res[0], msg);
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}
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return;
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}
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}
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};
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internal_resolver.add_id_def(id, def_id);
|
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if let Some(ty) = ty {
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internal_resolver.add_id_type(id, ty);
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}
|
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}
|
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|
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if let Err(msg) = composer.start_analysis(false) {
|
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if print {
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println!("{}", msg);
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} else {
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assert_eq!(res[0], msg);
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}
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} else {
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// skip 5 to skip primitives
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let mut res_vec: Vec<String> = Vec::new();
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for (def, _) in composer.definition_ast_list.iter().skip(composer.builtin_num) {
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let def = &*def.read();
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res_vec.push(format!("{}\n", def.to_string(composer.unifier.borrow_mut())));
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}
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insta::assert_debug_snapshot!(res_vec);
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}
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}
|
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|
|
#[test_case(
|
|
vec![
|
|
indoc! {"
|
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def fun(a: int32, b: int32) -> int32:
|
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return a + b
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"},
|
|
indoc! {"
|
|
def fib(n: int32) -> int32:
|
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if n <= 2:
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return 1
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a = fib(n - 1)
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b = fib(n - 2)
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return fib(n - 1)
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|
"}
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],
|
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vec![];
|
|
"simple function"
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)]
|
|
#[test_case(
|
|
vec![
|
|
indoc! {"
|
|
class A:
|
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a: int32
|
|
def __init__(self):
|
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self.a = 3
|
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def fun(self) -> int32:
|
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b = self.a + 3
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return b * self.a
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def clone(self) -> A:
|
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SELF = self
|
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return SELF
|
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def sum(self) -> int32:
|
|
if self.a == 0:
|
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return self.a
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else:
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a = self.a
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self.a = self.a - 1
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return a + self.sum()
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|
def fib(self, a: int32) -> int32:
|
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if a <= 2:
|
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return 1
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return self.fib(a - 1) + self.fib(a - 2)
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"},
|
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indoc! {"
|
|
def fun(a: A) -> int32:
|
|
return a.fun() + 2
|
|
"}
|
|
],
|
|
vec![];
|
|
"simple class body"
|
|
)]
|
|
#[test_case(
|
|
vec![
|
|
indoc! {"
|
|
def fun(a: V, c: G, t: T) -> V:
|
|
b = a
|
|
cc = c
|
|
ret = fun(b, cc, t)
|
|
return ret * ret
|
|
"},
|
|
indoc! {"
|
|
def sum_three(l: list[V]) -> V:
|
|
return l[0] + l[1] + l[2]
|
|
"},
|
|
indoc! {"
|
|
def sum_sq_pair(p: tuple[V, V]) -> list[V]:
|
|
a = p[0]
|
|
b = p[1]
|
|
a = a**a
|
|
b = b**b
|
|
return [a, b]
|
|
"}
|
|
],
|
|
vec![];
|
|
"type var fun"
|
|
)]
|
|
#[test_case(
|
|
vec![
|
|
indoc! {"
|
|
class A(Generic[G]):
|
|
a: G
|
|
b: bool
|
|
def __init__(self, aa: G):
|
|
self.a = aa
|
|
if 2 > 1:
|
|
self.b = True
|
|
else:
|
|
# self.b = False
|
|
pass
|
|
def fun(self, a: G) -> list[G]:
|
|
ret = [a, self.a]
|
|
return ret if self.b else self.fun(self.a)
|
|
"}
|
|
],
|
|
vec![];
|
|
"type var class"
|
|
)]
|
|
#[test_case(
|
|
vec![
|
|
indoc! {"
|
|
class A:
|
|
def fun(self):
|
|
pass
|
|
"},
|
|
indoc!{"
|
|
class B:
|
|
a: int32
|
|
b: bool
|
|
def __init__(self):
|
|
# self.b = False
|
|
if 3 > 2:
|
|
self.a = 3
|
|
self.b = False
|
|
else:
|
|
self.a = 4
|
|
self.b = True
|
|
"}
|
|
],
|
|
vec![];
|
|
"no_init_inst_check"
|
|
)]
|
|
fn test_inference(source: Vec<&str>, res: Vec<&str>) {
|
|
let print = true;
|
|
let mut composer: TopLevelComposer = Default::default();
|
|
|
|
let internal_resolver = make_internal_resolver_with_tvar(
|
|
vec![
|
|
("T".into(), vec![]),
|
|
(
|
|
"V".into(),
|
|
vec![
|
|
composer.primitives_ty.float,
|
|
composer.primitives_ty.int32,
|
|
composer.primitives_ty.int64,
|
|
],
|
|
),
|
|
("G".into(), vec![composer.primitives_ty.bool, composer.primitives_ty.int64]),
|
|
],
|
|
&mut composer.unifier,
|
|
print,
|
|
);
|
|
let resolver =
|
|
Arc::new(Resolver(internal_resolver.clone())) as Arc<dyn SymbolResolver + Send + Sync>;
|
|
|
|
for s in source {
|
|
let ast = parse_program(s, Default::default()).unwrap();
|
|
let ast = ast[0].clone();
|
|
|
|
let (id, def_id, ty) = {
|
|
match composer.register_top_level(ast, Some(resolver.clone()), "".into()) {
|
|
Ok(x) => x,
|
|
Err(msg) => {
|
|
if print {
|
|
println!("{}", msg);
|
|
} else {
|
|
assert_eq!(res[0], msg);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
};
|
|
internal_resolver.add_id_def(id, def_id);
|
|
if let Some(ty) = ty {
|
|
internal_resolver.add_id_type(id, ty);
|
|
}
|
|
}
|
|
|
|
if let Err(msg) = composer.start_analysis(true) {
|
|
if print {
|
|
println!("{}", msg);
|
|
} else {
|
|
assert_eq!(res[0], msg);
|
|
}
|
|
} else {
|
|
// skip 5 to skip primitives
|
|
let mut stringify_folder = TypeToStringFolder { unifier: &mut composer.unifier };
|
|
for (_i, (def, _)) in
|
|
composer.definition_ast_list.iter().skip(composer.builtin_num).enumerate()
|
|
{
|
|
let def = &*def.read();
|
|
|
|
if let TopLevelDef::Function { instance_to_stmt, name, .. } = def {
|
|
println!(
|
|
"=========`{}`: number of instances: {}===========",
|
|
name,
|
|
instance_to_stmt.len()
|
|
);
|
|
for inst in instance_to_stmt.iter() {
|
|
let ast = &inst.1.body;
|
|
for b in ast.iter() {
|
|
println!("{:?}", stringify_folder.fold_stmt(b.clone()).unwrap());
|
|
println!("--------------------");
|
|
}
|
|
println!("\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn make_internal_resolver_with_tvar(
|
|
tvars: Vec<(StrRef, Vec<Type>)>,
|
|
unifier: &mut Unifier,
|
|
print: bool,
|
|
) -> Arc<ResolverInternal> {
|
|
let res: Arc<ResolverInternal> = ResolverInternal {
|
|
id_to_def: Default::default(),
|
|
id_to_type: tvars
|
|
.into_iter()
|
|
.map(|(name, range)| {
|
|
(name, {
|
|
let (ty, id) = unifier.get_fresh_var_with_range(range.as_slice());
|
|
if print {
|
|
println!("{}: {:?}, tvar{}", name, ty, id);
|
|
}
|
|
ty
|
|
})
|
|
})
|
|
.collect::<HashMap<_, _>>()
|
|
.into(),
|
|
class_names: Default::default(),
|
|
}
|
|
.into();
|
|
if print {
|
|
println!();
|
|
}
|
|
res
|
|
}
|
|
|
|
struct TypeToStringFolder<'a> {
|
|
unifier: &'a mut Unifier,
|
|
}
|
|
|
|
impl<'a> Fold<Option<Type>> for TypeToStringFolder<'a> {
|
|
type TargetU = String;
|
|
type Error = String;
|
|
fn map_user(&mut self, user: Option<Type>) -> Result<Self::TargetU, Self::Error> {
|
|
Ok(if let Some(ty) = user {
|
|
self.unifier.stringify(ty, &mut |id| format!("class{}", id.to_string()), &mut |id| {
|
|
format!("tvar{}", id.to_string())
|
|
})
|
|
} else {
|
|
"None".into()
|
|
})
|
|
}
|
|
}
|