M-Labs/nac3
M-Labs/nac3
8
1
Fork 12
Code Issues 98 Pull Requests 19 Releases Wiki Activity

Merge pull request 'optimization (#13)' (#15) from optimization into master

Browse Source 
Reviewed-on: #15
This commit is contained in:
pca006132 2021-09-23 19:58:43 +08:00
commit 20a752fd3a
24 changed files with 737 additions and 507 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
Cargo.lock generated
View File

@ -69,6 +69,12 @@ version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "byteorder"
version = "1.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
[[package]]
name = "cc"
version = "1.0.70"
@ -203,6 +209,15 @@ version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
[[package]]
name = "fxhash"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
dependencies = [
"byteorder",
]
[[package]]
name = "getrandom"
version = "0.2.3"
@ -219,6 +234,9 @@ name = "hashbrown"
version = "0.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
dependencies = [
"ahash",
]
[[package]]
name = "hermit-abi"
@ -813,15 +831,19 @@ checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
[[package]]
name = "rustpython-ast"
version = "0.1.0"
source = "git+https://github.com/pca006132/RustPython?branch=main#c6248660e33a2db8c2d745097ac4bff13598d955"
source = "git+https://github.com/m-labs/RustPython?branch=parser-mod#efdf7829ba1a5f87d30df8eaff12a330544f3cbd"
dependencies = [
"fxhash",
"lazy_static",
"num-bigint 0.4.2",
"parking_lot",
"string-interner",
]
[[package]]
name = "rustpython-parser"
version = "0.1.2"
source = "git+https://github.com/pca006132/RustPython?branch=main#c6248660e33a2db8c2d745097ac4bff13598d955"
source = "git+https://github.com/m-labs/RustPython?branch=parser-mod#efdf7829ba1a5f87d30df8eaff12a330544f3cbd"
dependencies = [
"ahash",
"lalrpop",
@ -866,6 +888,12 @@ dependencies = [
"pest",
]
[[package]]
name = "serde"
version = "1.0.130"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f12d06de37cf59146fbdecab66aa99f9fe4f78722e3607577a5375d66bd0c913"
[[package]]
name = "siphasher"
version = "0.3.7"
@ -878,6 +906,17 @@ version = "1.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
[[package]]
name = "string-interner"
version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ecc77d3a5728ef82235df1f9b9430507f555c7404797f42b49c2403d4c1d8c6c"
dependencies = [
"cfg-if",
"hashbrown",
"serde",
]
[[package]]
name = "string_cache"
version = "0.8.1"

4
Cargo.toml
View File

@ -4,3 +4,7 @@ members = [
"nac3standalone",
"nac3embedded",
]
[profile.release]
debug = true

2
nac3core/Cargo.toml
View File

@ -8,7 +8,7 @@ edition = "2018"
num-bigint = "0.3"
num-traits = "0.2"
inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm11-0"] }
rustpython-parser = { git = "https://github.com/pca006132/RustPython", branch = "main" }
rustpython-parser = { git = "https://github.com/m-labs/RustPython", branch = "parser-mod" }
itertools = "0.10.1"
crossbeam = "0.8.1"
parking_lot = "0.11.1"

36
nac3core/src/codegen/expr.rs
View File

@ -12,9 +12,9 @@ use inkwell::{
AddressSpace,
};
use itertools::{chain, izip, zip, Itertools};
use rustpython_parser::ast::{self, Boolop, Constant, Expr, ExprKind, Operator};
use rustpython_parser::ast::{self, Boolop, Constant, Expr, ExprKind, Operator, StrRef};
pub fn assert_int_val<'ctx>(val: BasicValueEnum<'ctx>) -> IntValue<'ctx> {
pub fn assert_int_val(val: BasicValueEnum<'_>) -> IntValue<'_> {
if let BasicValueEnum::IntValue(v) = val {
v
} else {
@ -22,7 +22,7 @@ pub fn assert_int_val<'ctx>(val: BasicValueEnum<'ctx>) -> IntValue<'ctx> {
}
}
pub fn assert_pointer_val<'ctx>(val: BasicValueEnum<'ctx>) -> PointerValue<'ctx> {
pub fn assert_pointer_val(val: BasicValueEnum<'_>) -> PointerValue<'_> {
if let BasicValueEnum::PointerValue(v) = val {
v
} else {
@ -56,7 +56,7 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
.join(", ")
}
pub fn get_attr_index(&mut self, ty: Type, attr: &str) -> usize {
pub fn get_attr_index(&mut self, ty: Type, attr: StrRef) -> usize {
let obj_id = match &*self.unifier.get_ty(ty) {
TypeEnum::TObj { obj_id, .. } => *obj_id,
// we cannot have other types, virtual type should be handled by function calls
@ -106,7 +106,7 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
&mut self,
obj: Option<(Type, BasicValueEnum<'ctx>)>,
fun: (&FunSignature, DefinitionId),
params: Vec<(Option<String>, BasicValueEnum<'ctx>)>,
params: Vec<(Option<StrRef>, BasicValueEnum<'ctx>)>,
) -> Option<BasicValueEnum<'ctx>> {
let key = self.get_subst_key(obj.map(|a| a.0), fun.0, None);
let definition = self.top_level.definitions.read().get(fun.1.0).cloned().unwrap();
@ -122,7 +122,7 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
// TODO: what about other fields that require alloca?
let mut fun_id = None;
for (name, _, id) in methods.iter() {
if name == "__init__" {
if name == &"__init__".into() {
fun_id = Some(*id);
}
}
@ -189,7 +189,7 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
.args
.iter()
.map(|arg| FuncArg {
name: arg.name.clone(),
name: arg.name,
ty: unifier.copy_from(&mut self.unifier, arg.ty, &mut type_cache),
default_value: arg.default_value.clone(),
})
@ -449,7 +449,7 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
}
ExprKind::Attribute { value, attr, .. } => {
// note that we would handle class methods directly in calls
let index = self.get_attr_index(value.custom.unwrap(), attr);
let index = self.get_attr_index(value.custom.unwrap(), *attr);
let val = self.gen_expr(value).unwrap();
let ptr = assert_pointer_val(val);
unsafe {
@ -645,20 +645,28 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
args.iter().map(|arg| (None, self.gen_expr(arg).unwrap())).collect_vec();
let kw_iter = keywords.iter().map(|kw| {
(
Some(kw.node.arg.as_ref().unwrap().clone()),
Some(*kw.node.arg.as_ref().unwrap()),
self.gen_expr(&kw.node.value).unwrap(),
)
});
params.extend(kw_iter);
let signature = self
.unifier
.get_call_signature(*self.calls.get(&expr.location.into()).unwrap())
.unwrap();
let call = self.calls.get(&expr.location.into());
let signature = match call {
Some(call) => self.unifier.get_call_signature(*call).unwrap(),
None => {
let ty = func.custom.unwrap();
if let TypeEnum::TFunc(sign) = &*self.unifier.get_ty(ty) {
sign.borrow().clone()
} else {
unreachable!()
}
}
};
match &func.as_ref().node {
ExprKind::Name { id, .. } => {
// TODO: handle primitive casts and function pointers
let fun =
self.resolver.get_identifier_def(&id).expect("Unknown identifier");
self.resolver.get_identifier_def(*id).expect("Unknown identifier");
return self.gen_call(None, (&signature, fun), params);
}
ExprKind::Attribute { value, attr, .. } => {

14
nac3core/src/codegen/mod.rs
View File

@ -18,7 +18,7 @@ use inkwell::{
};
use itertools::Itertools;
use parking_lot::{Condvar, Mutex};
use rustpython_parser::ast::Stmt;
use rustpython_parser::ast::{Stmt, StrRef};
use std::collections::HashMap;
use std::sync::{
atomic::{AtomicBool, Ordering},
@ -39,10 +39,10 @@ pub struct CodeGenContext<'ctx, 'a> {
pub top_level: &'a TopLevelContext,
pub unifier: Unifier,
pub resolver: Arc<Box<dyn SymbolResolver + Send + Sync>>,
pub var_assignment: HashMap<String, PointerValue<'ctx>>,
pub var_assignment: HashMap<StrRef, PointerValue<'ctx>>,
pub type_cache: HashMap<Type, BasicTypeEnum<'ctx>>,
pub primitives: PrimitiveStore,
pub calls: HashMap<CodeLocation, CallId>,
pub calls: Arc<HashMap<CodeLocation, CallId>>,
pub registry: &'a WorkerRegistry,
// stores the alloca for variables
pub init_bb: BasicBlock<'ctx>,
@ -187,8 +187,8 @@ pub struct CodeGenTask {
pub subst: Vec<(Type, Type)>,
pub symbol_name: String,
pub signature: FunSignature,
pub body: Vec<Stmt<Option<Type>>>,
pub calls: HashMap<CodeLocation, CallId>,
pub body: Arc<Vec<Stmt<Option<Type>>>>,
pub calls: Arc<HashMap<CodeLocation, CallId>>,
pub unifier: (SharedUnifier, PrimitiveStore),
pub resolver: Arc<Box<dyn SymbolResolver + Send + Sync>>,
}
@ -317,10 +317,10 @@ pub fn gen_func<'ctx>(
let param = fn_val.get_nth_param(n as u32).unwrap();
let alloca = builder.build_alloca(
get_llvm_type(&context, &mut unifier, top_level_ctx.as_ref(), &mut type_cache, arg.ty),
&arg.name,
&arg.name.to_string(),
);
builder.build_store(alloca, param);
var_assignment.insert(arg.name.clone(), alloca);
var_assignment.insert(arg.name, alloca);
}
builder.build_unconditional_branch(body_bb);
builder.position_at_end(body_bb);

4
nac3core/src/codegen/stmt.rs
View File

@ -25,12 +25,12 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
ExprKind::Name { id, .. } => {
self.var_assignment.get(id).cloned().unwrap_or_else(|| {
let ptr = self.gen_var(pattern.custom.unwrap());
self.var_assignment.insert(id.clone(), ptr);
self.var_assignment.insert(*id, ptr);
ptr
})
}
ExprKind::Attribute { value, attr, .. } => {
let index = self.get_attr_index(value.custom.unwrap(), attr);
let index = self.get_attr_index(value.custom.unwrap(), *attr);
let val = self.gen_expr(value).unwrap();
let ptr = if let BasicValueEnum::PointerValue(v) = val {
v

54
nac3core/src/codegen/test.rs
View File

@ -12,38 +12,38 @@ use crate::{
};
use indoc::indoc;
use parking_lot::RwLock;
use rustpython_parser::{ast::fold::Fold, parser::parse_program};
use rustpython_parser::{ast::{StrRef, fold::Fold}, parser::parse_program};
use std::cell::RefCell;
use std::collections::{HashMap, HashSet};
use std::sync::Arc;
struct Resolver {
id_to_type: HashMap<String, Type>,
id_to_def: RwLock<HashMap<String, DefinitionId>>,
class_names: HashMap<String, Type>,
id_to_type: HashMap<StrRef, Type>,
id_to_def: RwLock<HashMap<StrRef, DefinitionId>>,
class_names: HashMap<StrRef, Type>,
}
impl Resolver {
pub fn add_id_def(&self, id: String, def: DefinitionId) {
pub fn add_id_def(&self, id: StrRef, def: DefinitionId) {
self.id_to_def.write().insert(id, def);
}
}
impl SymbolResolver for Resolver {
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: &str) -> Option<Type> {
self.id_to_type.get(str).cloned()
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: StrRef) -> Option<Type> {
self.id_to_type.get(&str).cloned()
}
fn get_symbol_value(&self, _: &str) -> Option<SymbolValue> {
fn get_symbol_value(&self, _: StrRef) -> Option<SymbolValue> {
unimplemented!()
}
fn get_symbol_location(&self, _: &str) -> Option<Location> {
fn get_symbol_location(&self, _: StrRef) -> Option<Location> {
unimplemented!()
}
fn get_identifier_def(&self, id: &str) -> Option<DefinitionId> {
self.id_to_def.read().get(id).cloned()
fn get_identifier_def(&self, id: StrRef) -> Option<DefinitionId> {
self.id_to_def.read().get(&id).cloned()
}
}
@ -77,8 +77,8 @@ fn test_primitives() {
let threads = ["test"];
let signature = FunSignature {
args: vec![
FuncArg { name: "a".to_string(), ty: primitives.int32, default_value: None },
FuncArg { name: "b".to_string(), ty: primitives.int32, default_value: None },
FuncArg { name: "a".into(), ty: primitives.int32, default_value: None },
FuncArg { name: "b".into(), ty: primitives.int32, default_value: None },
],
ret: primitives.int32,
vars: HashMap::new(),
@ -91,7 +91,7 @@ fn test_primitives() {
};
let mut virtual_checks = Vec::new();
let mut calls = HashMap::new();
let mut identifiers: HashSet<_> = ["a".to_string(), "b".to_string()].iter().cloned().collect();
let mut identifiers: HashSet<_> = ["a".into(), "b".into()].iter().cloned().collect();
let mut inferencer = Inferencer {
top_level: &top_level,
function_data: &mut function_data,
@ -121,11 +121,11 @@ fn test_primitives() {
let task = CodeGenTask {
subst: Default::default(),
symbol_name: "testing".to_string(),
body: statements,
symbol_name: "testing".into(),
body: Arc::new(statements),
resolver,
unifier,
calls,
calls: Arc::new(calls),
signature,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
@ -212,7 +212,7 @@ fn test_simple_call() {
unifier.top_level = Some(top_level.clone());
let signature = FunSignature {
args: vec![FuncArg { name: "a".to_string(), ty: primitives.int32, default_value: None }],
args: vec![FuncArg { name: "a".into(), ty: primitives.int32, default_value: None }],
ret: primitives.int32,
vars: HashMap::new(),
};
@ -221,7 +221,7 @@ fn test_simple_call() {
let foo_id = top_level.definitions.read().len();
top_level.definitions.write().push(Arc::new(RwLock::new(TopLevelDef::Function {
name: "foo".to_string(),
simple_name: "foo".to_string(),
simple_name: "foo".into(),
signature: fun_ty,
var_id: vec![],
instance_to_stmt: HashMap::new(),
@ -234,7 +234,7 @@ fn test_simple_call() {
id_to_def: RwLock::new(HashMap::new()),
class_names: Default::default(),
});
resolver.add_id_def("foo".to_string(), DefinitionId(foo_id));
resolver.add_id_def("foo".into(), DefinitionId(foo_id));
let resolver = Arc::new(resolver as Box<dyn SymbolResolver + Send + Sync>);
if let TopLevelDef::Function { resolver: r, .. } =
@ -253,7 +253,7 @@ fn test_simple_call() {
};
let mut virtual_checks = Vec::new();
let mut calls = HashMap::new();
let mut identifiers: HashSet<_> = ["a".to_string(), "foo".into()].iter().cloned().collect();
let mut identifiers: HashSet<_> = ["a".into(), "foo".into()].iter().cloned().collect();
let mut inferencer = Inferencer {
top_level: &top_level,
function_data: &mut function_data,
@ -288,8 +288,8 @@ fn test_simple_call() {
instance_to_stmt.insert(
"".to_string(),
FunInstance {
body: statements_2,
calls: inferencer.calls.clone(),
body: Arc::new(statements_2),
calls: Arc::new(inferencer.calls.clone()),
subst: Default::default(),
unifier_id: 0,
},
@ -309,10 +309,10 @@ fn test_simple_call() {
let task = CodeGenTask {
subst: Default::default(),
symbol_name: "testing".to_string(),
body: statements_1,
body: Arc::new(statements_1),
resolver,
unifier,
calls: calls1,
calls: Arc::new(calls1),
signature,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
@ -328,14 +328,14 @@ fn test_simple_call() {
body: ; preds = %init
%load = load i32, i32* %a, align 4
%call = call i32 @foo_0(i32 %load)
%call = call i32 @foo.0(i32 %load)
store i32 %call, i32* %a, align 4
%load1 = load i32, i32* %a, align 4
%mul = mul i32 %load1, 2
ret i32 %mul
}
define i32 @foo_0(i32 %0) {
define i32 @foo.0(i32 %0) {
init:
%a = alloca i32, align 4
store i32 %0, i32* %a, align 4

5
nac3core/src/location.rs
View File

@ -10,15 +10,12 @@ pub enum Location {
Builtin,
}
#[derive(Default)]
pub struct FileRegistry {
files: Vec<String>,
}
impl FileRegistry {
pub fn new() -> FileRegistry {
FileRegistry { files: Vec::new() }
}
pub fn add_file(&mut self, path: &str) -> FileID {
let index = self.files.len() as u32;
self.files.push(path.to_owned());

251
nac3core/src/symbol_resolver.rs
View File

@ -10,7 +10,7 @@ use crate::typecheck::{
use crate::{location::Location, typecheck::typedef::TypeEnum};
use itertools::{chain, izip};
use parking_lot::RwLock;
use rustpython_parser::ast::Expr;
use rustpython_parser::ast::{Expr, StrRef};
#[derive(Clone, PartialEq)]
pub enum SymbolValue {
@ -29,15 +29,28 @@ pub trait SymbolResolver {
&self,
unifier: &mut Unifier,
primitives: &PrimitiveStore,
str: &str,
str: StrRef,
) -> Option<Type>;
// get the top-level definition of identifiers
fn get_identifier_def(&self, str: &str) -> Option<DefinitionId>;
fn get_symbol_value(&self, str: &str) -> Option<SymbolValue>;
fn get_symbol_location(&self, str: &str) -> Option<Location>;
fn get_identifier_def(&self, str: StrRef) -> Option<DefinitionId>;
fn get_symbol_value(&self, str: StrRef) -> Option<SymbolValue>;
fn get_symbol_location(&self, str: StrRef) -> Option<Location>;
// handle function call etc.
}
thread_local! {
static IDENTIFIER_ID: [StrRef; 8] = [
"int32".into(),
"int64".into(),
"float".into(),
"bool".into(),
"None".into(),
"virtual".into(),
"list".into(),
"tuple".into()
];
}
// convert type annotation into type
pub fn parse_type_annotation<T>(
resolver: &dyn SymbolResolver,
@ -47,15 +60,32 @@ pub fn parse_type_annotation<T>(
expr: &Expr<T>,
) -> Result<Type, String> {
use rustpython_parser::ast::ExprKind::*;
let ids = IDENTIFIER_ID.with(|ids| {
*ids
});
let int32_id = ids[0];
let int64_id = ids[1];
let float_id = ids[2];
let bool_id = ids[3];
let none_id = ids[4];
let virtual_id = ids[5];
let list_id = ids[6];
let tuple_id = ids[7];
match &expr.node {
Name { id, .. } => match id.as_str() {
"int32" => Ok(primitives.int32),
"int64" => Ok(primitives.int64),
"float" => Ok(primitives.float),
"bool" => Ok(primitives.bool),
"None" => Ok(primitives.none),
x => {
let obj_id = resolver.get_identifier_def(x);
Name { id, .. } => {
if *id == int32_id {
Ok(primitives.int32)
} else if *id == int64_id {
Ok(primitives.int64)
} else if *id == float_id {
Ok(primitives.float)
} else if *id == bool_id {
Ok(primitives.bool)
} else if *id == none_id {
Ok(primitives.none)
} else {
let obj_id = resolver.get_identifier_def(*id);
if let Some(obj_id) = obj_id {
let def = top_level_defs[obj_id.0].read();
if let TopLevelDef::Class { fields, methods, type_vars, .. } = &*def {
@ -67,8 +97,8 @@ pub fn parse_type_annotation<T>(
}
let fields = RefCell::new(
chain(
fields.iter().map(|(k, v)| (k.clone(), *v)),
methods.iter().map(|(k, v, _)| (k.clone(), *v)),
fields.iter().map(|(k, v)| (*k, *v)),
methods.iter().map(|(k, v, _)| (*k, *v)),
)
.collect(),
);
@ -83,121 +113,116 @@ pub fn parse_type_annotation<T>(
} else {
// it could be a type variable
let ty = resolver
.get_symbol_type(unifier, primitives, x)
.get_symbol_type(unifier, primitives, *id)
.ok_or_else(|| "unknown type variable name".to_owned())?;
if let TypeEnum::TVar { .. } = &*unifier.get_ty(ty) {
Ok(ty)
} else {
Err(format!("Unknown type annotation {}", x))
Err(format!("Unknown type annotation {}", id))
}
}
}
},
Subscript { value, slice, .. } => {
if let Name { id, .. } = &value.node {
match id.as_str() {
"virtual" => {
let ty = parse_type_annotation(
if *id == virtual_id {
let ty = parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
slice,
)?;
Ok(unifier.add_ty(TypeEnum::TVirtual { ty }))
} else if *id == list_id {
let ty = parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
slice,
)?;
Ok(unifier.add_ty(TypeEnum::TList { ty }))
} else if *id == tuple_id {
if let Tuple { elts, .. } = &slice.node {
let ty = elts
.iter()
.map(|elt| {
parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
elt,
)
})
.collect::<Result<Vec<_>, _>>()?;
Ok(unifier.add_ty(TypeEnum::TTuple { ty }))
} else {
Err("Expected multiple elements for tuple".into())
}
} else {
let types = if let Tuple { elts, .. } = &slice.node {
elts.iter()
.map(|v| {
parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
v,
)
})
.collect::<Result<Vec<_>, _>>()?
} else {
vec![parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
slice,
)?;
Ok(unifier.add_ty(TypeEnum::TVirtual { ty }))
}
"list" => {
let ty = parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
slice,
)?;
Ok(unifier.add_ty(TypeEnum::TList { ty }))
}
"tuple" => {
if let Tuple { elts, .. } = &slice.node {
let ty = elts
.iter()
.map(|elt| {
parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
elt,
)
})
.collect::<Result<Vec<_>, _>>()?;
Ok(unifier.add_ty(TypeEnum::TTuple { ty }))
} else {
Err("Expected multiple elements for tuple".into())
}
}
_ => {
let types = if let Tuple { elts, .. } = &slice.node {
elts.iter()
.map(|v| {
parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
v,
)
})
.collect::<Result<Vec<_>, _>>()?
} else {
vec![parse_type_annotation(
resolver,
top_level_defs,
unifier,
primitives,
slice,
)?]
};
)?]
};
let obj_id = resolver
.get_identifier_def(id)
.ok_or_else(|| format!("Unknown type annotation {}", id))?;
let def = top_level_defs[obj_id.0].read();
if let TopLevelDef::Class { fields, methods, type_vars, .. } = &*def {
if types.len() != type_vars.len() {
return Err(format!(
"Unexpected number of type parameters: expected {} but got {}",
type_vars.len(),
types.len()
));
}
let mut subst = HashMap::new();
for (var, ty) in izip!(type_vars.iter(), types.iter()) {
let id = if let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*var) {
*id
} else {
unreachable!()
};
subst.insert(id, *ty);
}
let mut fields = fields
.iter()
.map(|(attr, ty)| {
let ty = unifier.subst(*ty, &subst).unwrap_or(*ty);
(attr.clone(), ty)
})
.collect::<HashMap<_, _>>();
fields.extend(methods.iter().map(|(attr, ty, _)| {
let ty = unifier.subst(*ty, &subst).unwrap_or(*ty);
(attr.clone(), ty)
}));
Ok(unifier.add_ty(TypeEnum::TObj {
obj_id,
fields: fields.into(),
params: subst.into(),
}))
} else {
Err("Cannot use function name as type".into())
let obj_id = resolver
.get_identifier_def(*id)
.ok_or_else(|| format!("Unknown type annotation {}", id))?;
let def = top_level_defs[obj_id.0].read();
if let TopLevelDef::Class { fields, methods, type_vars, .. } = &*def {
if types.len() != type_vars.len() {
return Err(format!(
"Unexpected number of type parameters: expected {} but got {}",
type_vars.len(),
types.len()
));
}
let mut subst = HashMap::new();
for (var, ty) in izip!(type_vars.iter(), types.iter()) {
let id = if let TypeEnum::TVar { id, .. } = &*unifier.get_ty(*var) {
*id
} else {
unreachable!()
};
subst.insert(id, *ty);
}
let mut fields = fields
.iter()
.map(|(attr, ty)| {
let ty = unifier.subst(*ty, &subst).unwrap_or(*ty);
(*attr, ty)
})
.collect::<HashMap<_, _>>();
fields.extend(methods.iter().map(|(attr, ty, _)| {
let ty = unifier.subst(*ty, &subst).unwrap_or(*ty);
(*attr, ty)
}));
Ok(unifier.add_ty(TypeEnum::TObj {
obj_id,
fields: fields.into(),
params: subst.into(),
}))
} else {
Err("Cannot use function name as type".into())
}
}
} else {

189
nac3core/src/toplevel/composer.rs
View File

@ -15,7 +15,7 @@ pub struct TopLevelComposer {
// primitive store
pub primitives_ty: PrimitiveStore,
// keyword list to prevent same user-defined name
pub keyword_list: HashSet<String>,
pub keyword_list: HashSet<StrRef>,
// to prevent duplicate definition
pub defined_names: HashSet<String>,
// get the class def id of a class method
@ -34,24 +34,39 @@ impl TopLevelComposer {
/// return a composer and things to make a "primitive" symbol resolver, so that the symbol
/// resolver can later figure out primitive type definitions when passed a primitive type name
pub fn new(
builtins: Vec<(String, FunSignature)>,
) -> (Self, HashMap<String, DefinitionId>, HashMap<String, Type>) {
builtins: Vec<(StrRef, FunSignature)>,
) -> (Self, HashMap<StrRef, DefinitionId>, HashMap<StrRef, Type>) {
let primitives = Self::make_primitives();
let mut definition_ast_list = {
let top_level_def_list = vec![
Arc::new(RwLock::new(Self::make_top_level_class_def(0, None, "int32", None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(1, None, "int64", None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(2, None, "float", None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(3, None, "bool", None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(4, None, "none", None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(
0,
None,
"int32".into(),
None,
))),
Arc::new(RwLock::new(Self::make_top_level_class_def(
1,
None,
"int64".into(),
None,
))),
Arc::new(RwLock::new(Self::make_top_level_class_def(
2,
None,
"float".into(),
None,
))),
Arc::new(RwLock::new(Self::make_top_level_class_def(3, None, "bool".into(), None))),
Arc::new(RwLock::new(Self::make_top_level_class_def(4, None, "none".into(), None))),
];
let ast_list: Vec<Option<ast::Stmt<()>>> = vec![None, None, None, None, None];
izip!(top_level_def_list, ast_list).collect_vec()
};
let primitives_ty = primitives.0;
let mut unifier = primitives.1;
let mut keyword_list: HashSet<String> = HashSet::from_iter(vec![
let mut keyword_list: HashSet<StrRef> = HashSet::from_iter(vec![
"Generic".into(),
"virtual".into(),
"list".into(),
@ -69,20 +84,20 @@ impl TopLevelComposer {
let defined_names: HashSet<String> = Default::default();
let method_class: HashMap<DefinitionId, DefinitionId> = Default::default();
let mut built_in_id: HashMap<String, DefinitionId> = Default::default();
let mut built_in_ty: HashMap<String, Type> = Default::default();
let mut built_in_id: HashMap<StrRef, DefinitionId> = Default::default();
let mut built_in_ty: HashMap<StrRef, Type> = Default::default();
for (name, sig) in builtins {
let fun_sig = unifier.add_ty(TypeEnum::TFunc(RefCell::new(sig)));
built_in_ty.insert(name.clone(), fun_sig);
built_in_id.insert(name.clone(), DefinitionId(definition_ast_list.len()));
built_in_ty.insert(name, fun_sig);
built_in_id.insert(name, DefinitionId(definition_ast_list.len()));
definition_ast_list.push((
Arc::new(RwLock::new(TopLevelDef::Function {
name: name.clone(),
simple_name: name.clone(),
name: name.into(),
simple_name: name,
signature: fun_sig,
instance_to_stmt: HashMap::new(),
instance_to_symbol: [("".to_string(), name.clone())].iter().cloned().collect(),
instance_to_symbol: [("".into(), name.into())].iter().cloned().collect(),
var_id: Default::default(),
resolver: None,
})),
@ -131,7 +146,7 @@ impl TopLevelComposer {
ast: ast::Stmt<()>,
resolver: Option<Arc<Box<dyn SymbolResolver + Send + Sync>>>,
mod_path: String,
) -> Result<(String, DefinitionId, Option<Type>), String> {
) -> Result<(StrRef, DefinitionId, Option<Type>), String> {
let defined_names = &mut self.defined_names;
match &ast.node {
ast::StmtKind::ClassDef { name: class_name, body, .. } => {
@ -140,13 +155,13 @@ impl TopLevelComposer {
}
if !defined_names.insert({
let mut n = mod_path.clone();
n.push_str(class_name.as_str());
n.push_str(&class_name.to_string());
n
}) {
return Err("duplicate definition of class".into());
}
let class_name = class_name.clone();
let class_name = *class_name;
let class_def_id = self.definition_ast_list.len();
// since later when registering class method, ast will still be used,
@ -156,7 +171,7 @@ impl TopLevelComposer {
Arc::new(RwLock::new(Self::make_top_level_class_def(
class_def_id,
resolver.clone(),
class_name.as_str(),
class_name,
Some(constructor_ty),
))),
None,
@ -167,7 +182,7 @@ impl TopLevelComposer {
// thus cannot return their definition_id
type MethodInfo = (
// the simple method name without class name
String,
StrRef,
// in this top level def, method name is prefixed with the class name
Arc<RwLock<TopLevelDef>>,
DefinitionId,
@ -186,8 +201,11 @@ impl TopLevelComposer {
let global_class_method_name = {
let mut n = mod_path.clone();
n.push_str(
Self::make_class_method_name(class_name.clone(), method_name)
.as_str(),
Self::make_class_method_name(
class_name.into(),
&method_name.to_string(),
)
.as_str(),
);
n
};
@ -203,10 +221,10 @@ impl TopLevelComposer {
// dummy method define here
let dummy_method_type = self.unifier.get_fresh_var();
class_method_name_def_ids.push((
method_name.clone(),
*method_name,
RwLock::new(Self::make_top_level_function_def(
global_class_method_name,
method_name.clone(),
*method_name,
// later unify with parsed type
dummy_method_type.0,
resolver.clone(),
@ -228,7 +246,7 @@ impl TopLevelComposer {
for (name, _, id, ty, ..) in &class_method_name_def_ids {
let mut class_def = class_def_ast.0.write();
if let TopLevelDef::Class { methods, .. } = class_def.deref_mut() {
methods.push((name.clone(), *ty, *id));
methods.push((*name, *ty, *id));
self.method_class.insert(*id, DefinitionId(class_def_id));
} else {
unreachable!()
@ -247,22 +265,22 @@ impl TopLevelComposer {
// if self.keyword_list.contains(name) {
// return Err("cannot use keyword as a top level function name".into());
// }
let fun_name = name.to_string();
let global_fun_name = {
let mut n = mod_path;
n.push_str(name.as_str());
n.push_str(&name.to_string());
n
};
if !defined_names.insert(global_fun_name.clone()) {
return Err("duplicate top level function define".into());
}
let fun_name = *name;
let ty_to_be_unified = self.unifier.get_fresh_var().0;
// add to the definition list
self.definition_ast_list.push((
RwLock::new(Self::make_top_level_function_def(
global_fun_name,
name.into(),
*name,
// dummy here, unify with correct type later
ty_to_be_unified,
resolver,
@ -334,7 +352,7 @@ impl TopLevelComposer {
if {
matches!(
&value.node,
ast::ExprKind::Name { id, .. } if id == "Generic"
ast::ExprKind::Name { id, .. } if id == &"Generic".into()
)
} =>
{
@ -432,7 +450,7 @@ impl TopLevelComposer {
ast::ExprKind::Subscript { value, .. }
if matches!(
&value.node,
ast::ExprKind::Name { id, .. } if id == "Generic"
ast::ExprKind::Name { id, .. } if id == &"Generic".into()
)
) {
continue;
@ -627,9 +645,9 @@ impl TopLevelComposer {
let mut function_var_map: HashMap<u32, Type> = HashMap::new();
let arg_types = {
// make sure no duplicate parameter
let mut defined_paramter_name: HashSet<String> = HashSet::new();
let mut defined_paramter_name: HashSet<_> = HashSet::new();
let have_unique_fuction_parameter_name = args.args.iter().all(|x| {
defined_paramter_name.insert(x.node.arg.clone())
defined_paramter_name.insert(x.node.arg)
&& !keyword_list.contains(&x.node.arg)
});
if !have_unique_fuction_parameter_name {
@ -687,7 +705,7 @@ impl TopLevelComposer {
)?;
Ok(FuncArg {
name: x.node.arg.clone(),
name: x.node.arg,
ty,
default_value: Default::default(),
})
@ -765,7 +783,7 @@ impl TopLevelComposer {
unifier: &mut Unifier,
primitives: &PrimitiveStore,
type_var_to_concrete_def: &mut HashMap<Type, TypeAnnotation>,
keyword_list: &HashSet<String>,
keyword_list: &HashSet<StrRef>,
) -> Result<(), String> {
let mut class_def = class_def.write();
let (
@ -791,7 +809,7 @@ impl TopLevelComposer {
if let ast::StmtKind::ClassDef { name, bases, body, .. } = &class_ast {
(
*object_id,
name.clone(),
*name,
bases,
body,
ancestors,
@ -809,12 +827,12 @@ impl TopLevelComposer {
let class_resolver = class_resolver.as_ref().unwrap();
let class_resolver = class_resolver.as_ref();
let mut defined_fields: HashSet<String> = HashSet::new();
let mut defined_fields: HashSet<_> = HashSet::new();
for b in class_body_ast {
match &b.node {
ast::StmtKind::FunctionDef { args, returns, name, .. } => {
let (method_dummy_ty, method_id) =
Self::get_class_method_def_info(class_methods_def, name)?;
Self::get_class_method_def_info(class_methods_def, *name)?;
// the method var map can surely include the class's generic parameters
let mut method_var_map: HashMap<u32, Type> = class_type_vars_def
@ -830,27 +848,28 @@ impl TopLevelComposer {
let arg_types: Vec<FuncArg> = {
// check method parameters cannot have same name
let mut defined_paramter_name: HashSet<String> = HashSet::new();
let mut defined_paramter_name: HashSet<_> = HashSet::new();
let zelf: StrRef = "self".into();
let have_unique_fuction_parameter_name = args.args.iter().all(|x| {
defined_paramter_name.insert(x.node.arg.clone())
&& (!keyword_list.contains(&x.node.arg) || x.node.arg == "self")
defined_paramter_name.insert(x.node.arg)
&& (!keyword_list.contains(&x.node.arg) || x.node.arg == zelf)
});
if !have_unique_fuction_parameter_name {
return Err("class method must have unique parameter names \
and names thould not be the same as the keywords"
.into());
}
if name == "__init__" && !defined_paramter_name.contains("self") {
if name == &"__init__".into() && !defined_paramter_name.contains(&zelf) {
return Err("__init__ function must have a `self` parameter".into());
}
if !defined_paramter_name.contains("self") {
if !defined_paramter_name.contains(&zelf) {
return Err("currently does not support static method".into());
}
let mut result = Vec::new();
for x in &args.args {
let name = x.node.arg.clone();
if name != "self" {
let name = x.node.arg;
if name != zelf {
let type_ann = {
let annotation_expr = x
.node
@ -962,14 +981,15 @@ impl TopLevelComposer {
if let ast::ExprKind::Name { id: attr, .. } = &target.node {
if defined_fields.insert(attr.to_string()) {
let dummy_field_type = unifier.get_fresh_var().0;
class_fields_def.push((attr.to_string(), dummy_field_type));
class_fields_def.push((*attr, dummy_field_type));
// handle Kernel[T], KernelImmutable[T]
let annotation = {
match &annotation.as_ref().node {
ast::ExprKind::Subscript { value, slice, .. }
if {
matches!(&value.node, ast::ExprKind::Name { id, .. } if id == "Kernel" || id == "KernelImmutable")
matches!(&value.node, ast::ExprKind::Name { id, .. }
if id == &"Kernel".into() || id == &"KernelImmutable".into())
} =>
{
slice
@ -1054,19 +1074,19 @@ impl TopLevelComposer {
if let TopLevelDef::Class { methods, fields, .. } = &*base {
// handle methods override
// since we need to maintain the order, create a new list
let mut new_child_methods: Vec<(String, Type, DefinitionId)> = Vec::new();
let mut is_override: HashSet<String> = HashSet::new();
let mut new_child_methods: Vec<(StrRef, Type, DefinitionId)> = Vec::new();
let mut is_override: HashSet<StrRef> = HashSet::new();
for (anc_method_name, anc_method_ty, anc_method_def_id) in methods {
// find if there is a method with same name in the child class
let mut to_be_added =
(anc_method_name.to_string(), *anc_method_ty, *anc_method_def_id);
(*anc_method_name, *anc_method_ty, *anc_method_def_id);
for (class_method_name, class_method_ty, class_method_defid) in
class_methods_def.iter()
{
if class_method_name == anc_method_name {
// ignore and handle self
// if is __init__ method, no need to check return type
let ok = class_method_name == "__init__"
let ok = class_method_name == &"__init__".into()
|| Self::check_overload_function_type(
*class_method_ty,
*anc_method_ty,
@ -1077,9 +1097,9 @@ impl TopLevelComposer {
return Err("method has same name as ancestors' method, but incompatible type".into());
}
// mark it as added
is_override.insert(class_method_name.to_string());
is_override.insert(*class_method_name);
to_be_added = (
class_method_name.to_string(),
*class_method_name,
*class_method_ty,
*class_method_defid,
);
@ -1094,7 +1114,7 @@ impl TopLevelComposer {
{
if !is_override.contains(class_method_name) {
new_child_methods.push((
class_method_name.to_string(),
*class_method_name,
*class_method_ty,
*class_method_defid,
));
@ -1105,10 +1125,10 @@ impl TopLevelComposer {
class_methods_def.extend(new_child_methods);
// handle class fields
let mut new_child_fields: Vec<(String, Type)> = Vec::new();
// let mut is_override: HashSet<String> = HashSet::new();
let mut new_child_fields: Vec<(StrRef, Type)> = Vec::new();
// let mut is_override: HashSet<_> = HashSet::new();
for (anc_field_name, anc_field_ty) in fields {
let to_be_added = (anc_field_name.to_string(), *anc_field_ty);
let to_be_added = (*anc_field_name, *anc_field_ty);
// find if there is a fields with the same name in the child class
for (class_field_name, ..) in class_fields_def.iter() {
if class_field_name == anc_field_name {
@ -1135,7 +1155,7 @@ impl TopLevelComposer {
}
for (class_field_name, class_field_ty) in class_fields_def.iter() {
if !is_override.contains(class_field_name) {
new_child_fields.push((class_field_name.to_string(), *class_field_ty));
new_child_fields.push((*class_field_name, *class_field_ty));
}
}
class_fields_def.drain(..);
@ -1173,7 +1193,7 @@ impl TopLevelComposer {
let mut constructor_args: Vec<FuncArg> = Vec::new();
let mut type_vars: HashMap<u32, Type> = HashMap::new();
for (name, func_sig, id) in methods {
if name == "__init__" {
if name == &"__init__".into() {
init_id = Some(*id);
if let TypeEnum::TFunc(sig) = self.unifier.get_ty(*func_sig).as_ref() {
let FunSignature { args, vars, .. } = &*sig.borrow();
@ -1203,7 +1223,7 @@ impl TopLevelComposer {
let init_ast =
self.definition_ast_list.get(init_id.0).unwrap().1.as_ref().unwrap();
if let ast::StmtKind::FunctionDef { name, body, .. } = &init_ast.node {
if name != "__init__" {
if name != &"__init__".into() {
unreachable!("must be init function here")
}
let all_inited = Self::get_all_assigned_field(body.as_slice())?;
@ -1290,7 +1310,7 @@ impl TopLevelComposer {
let unifier = &mut self.unifier;
args.iter()
.map(|a| FuncArg {
name: a.name.clone(),
name: a.name,
ty: unifier.subst(a.ty, &subst).unwrap_or(a.ty),
default_value: a.default_value.clone(),
})
@ -1303,12 +1323,12 @@ impl TopLevelComposer {
let mut identifiers = {
// NOTE: none and function args?
let mut result: HashSet<String> = HashSet::new();
let mut result: HashSet<_> = HashSet::new();
result.insert("None".into());
if self_type.is_some() {
result.insert("self".into());
}
result.extend(inst_args.iter().map(|x| x.name.clone()));
result.extend(inst_args.iter().map(|x| x.name));
result
};
let mut calls: HashMap<CodeLocation, CallId> = HashMap::new();
@ -1331,12 +1351,12 @@ impl TopLevelComposer {
unifier: &mut self.unifier,
variable_mapping: {
// NOTE: none and function args?
let mut result: HashMap<String, Type> = HashMap::new();
let mut result: HashMap<StrRef, Type> = HashMap::new();
result.insert("None".into(), self.primitives_ty.none);
if let Some(self_ty) = self_type {
result.insert("self".into(), self_ty);
}
result.extend(inst_args.iter().map(|x| (x.name.clone(), x.ty)));
result.extend(inst_args.iter().map(|x| (x.name, x.ty)));
result
},
primitives: &self.primitives_ty,
@ -1344,22 +1364,24 @@ impl TopLevelComposer {
calls: &mut calls,
};
let fun_body = if let ast::StmtKind::FunctionDef { body, decorator_list, .. } =
ast.clone().unwrap().node
{
if !decorator_list.is_empty() &&
matches!(&decorator_list[0].node,
ast::ExprKind::Name{ id, .. } if id == "syscall") {
instance_to_symbol.insert("".to_string(), simple_name.clone());
continue
let fun_body =
if let ast::StmtKind::FunctionDef { body, decorator_list, .. } =
ast.clone().unwrap().node
{
if !decorator_list.is_empty()
&& matches!(&decorator_list[0].node,
ast::ExprKind::Name{ id, .. } if id == &"syscall".into())
{
instance_to_symbol.insert("".into(), simple_name.to_string());
continue;
}
body
} else {
unreachable!("must be function def ast")
}
body
} else {
unreachable!("must be function def ast")
}
.into_iter()
.map(|b| inferencer.fold_stmt(b))
.collect::<Result<Vec<_>, _>>()?;
.into_iter()
.map(|b| inferencer.fold_stmt(b))
.collect::<Result<Vec<_>, _>>()?;
let returned =
inferencer.check_block(fun_body.as_slice(), &mut identifiers)?;
@ -1393,7 +1415,12 @@ impl TopLevelComposer {
})
.join(", ")
},
FunInstance { body: fun_body, unifier_id: 0, calls, subst },
FunInstance {
body: Arc::new(fun_body),
unifier_id: 0,
calls: Arc::new(calls),
subst,
},
);
}
} else {

28
nac3core/src/toplevel/helper.rs
View File

@ -92,11 +92,11 @@ impl TopLevelComposer {
pub fn make_top_level_class_def(
index: usize,
resolver: Option<Arc<Box<dyn SymbolResolver + Send + Sync>>>,
name: &str,
name: StrRef,
constructor: Option<Type>,
) -> TopLevelDef {
TopLevelDef::Class {
name: name.to_string(),
name,
object_id: DefinitionId(index),
type_vars: Default::default(),
fields: Default::default(),
@ -110,7 +110,7 @@ impl TopLevelComposer {
/// when first registering, the type is a invalid value
pub fn make_top_level_function_def(
name: String,
simple_name: String,
simple_name: StrRef,
ty: Type,
resolver: Option<Arc<Box<dyn SymbolResolver + Send + Sync>>>,
) -> TopLevelDef {
@ -132,11 +132,11 @@ impl TopLevelComposer {
}
pub fn get_class_method_def_info(
class_methods_def: &[(String, Type, DefinitionId)],
method_name: &str,
class_methods_def: &[(StrRef, Type, DefinitionId)],
method_name: StrRef,
) -> Result<(Type, DefinitionId), String> {
for (name, ty, def_id) in class_methods_def {
if name == method_name {
if name == &method_name {
return Ok((*ty, *def_id));
}
}
@ -234,7 +234,7 @@ impl TopLevelComposer {
(name, type_var_to_concrete_def.get(ty).unwrap())
}))
.all(|(this, other)| {
if this.0 == "self" && this.0 == other.0 {
if this.0 == &"self".into() && this.0 == other.0 {
true
} else {
this.0 == other.0
@ -269,15 +269,15 @@ impl TopLevelComposer {
)
}
pub fn get_all_assigned_field(stmts: &[ast::Stmt<()>]) -> Result<HashSet<String>, String> {
let mut result: HashSet<String> = HashSet::new();
pub fn get_all_assigned_field(stmts: &[ast::Stmt<()>]) -> Result<HashSet<StrRef>, String> {
let mut result = HashSet::new();
for s in stmts {
match &s.node {
ast::StmtKind::AnnAssign { target, .. }
if {
if let ast::ExprKind::Attribute { value, .. } = &target.node {
if let ast::ExprKind::Name { id, .. } = &value.node {
id == "self"
id == &"self".into()
} else {
false
}
@ -295,8 +295,8 @@ impl TopLevelComposer {
for t in targets {
if let ast::ExprKind::Attribute { value, attr, .. } = &t.node {
if let ast::ExprKind::Name { id, .. } = &value.node {
if id == "self" {
result.insert(attr.clone());
if id == &"self".into() {
result.insert(*attr);
}
}
}
@ -312,14 +312,14 @@ impl TopLevelComposer {
let inited_for_sure = Self::get_all_assigned_field(body.as_slice())?
.intersection(&Self::get_all_assigned_field(orelse.as_slice())?)
.cloned()
.collect::<HashSet<String>>();
.collect::<HashSet<_>>();
result.extend(inited_for_sure);
}
ast::StmtKind::Try { body, orelse, finalbody, .. } => {
let inited_for_sure = Self::get_all_assigned_field(body.as_slice())?
.intersection(&Self::get_all_assigned_field(orelse.as_slice())?)
.cloned()
.collect::<HashSet<String>>();
.collect::<HashSet<_>>();
result.extend(inited_for_sure);
result.extend(Self::get_all_assigned_field(finalbody.as_slice())?);
}

14
nac3core/src/toplevel/mod.rs
View File

@ -15,7 +15,7 @@ use crate::{
};
use itertools::{izip, Itertools};
use parking_lot::RwLock;
use rustpython_parser::ast::{self, Stmt};
use rustpython_parser::ast::{self, Stmt, StrRef};
#[derive(PartialEq, Eq, PartialOrd, Ord, Clone, Copy, Hash, Debug)]
pub struct DefinitionId(pub usize);
@ -30,8 +30,8 @@ mod test;
#[derive(Clone, Debug)]
pub struct FunInstance {
pub body: Vec<Stmt<Option<Type>>>,
pub calls: HashMap<CodeLocation, CallId>,
pub body: Arc<Vec<Stmt<Option<Type>>>>,
pub calls: Arc<HashMap<CodeLocation, CallId>>,
pub subst: HashMap<u32, Type>,
pub unifier_id: usize,
}
@ -40,15 +40,15 @@ pub struct FunInstance {
pub enum TopLevelDef {
Class {
// name for error messages and symbols
name: String,
name: StrRef,
// object ID used for TypeEnum
object_id: DefinitionId,
/// type variables bounded to the class.
type_vars: Vec<Type>,
// class fields
fields: Vec<(String, Type)>,
fields: Vec<(StrRef, Type)>,
// class methods, pointing to the corresponding function definition.
methods: Vec<(String, Type, DefinitionId)>,
methods: Vec<(StrRef, Type, DefinitionId)>,
// ancestor classes, including itself.
ancestors: Vec<TypeAnnotation>,
// symbol resolver of the module defined the class, none if it is built-in type
@ -60,7 +60,7 @@ pub enum TopLevelDef {
// prefix for symbol, should be unique globally
name: String,
// simple name, the same as in method/function definition
simple_name: String,
simple_name: StrRef,
// function signature.
signature: Type,
// instantiated type variable IDs

37
nac3core/src/toplevel/test.rs
View File

@ -16,17 +16,17 @@ use test_case::test_case;
use super::*;
struct ResolverInternal {
id_to_type: Mutex<HashMap<String, Type>>,
id_to_def: Mutex<HashMap<String, DefinitionId>>,
class_names: Mutex<HashMap<String, Type>>,
id_to_type: Mutex<HashMap<StrRef, Type>>,
id_to_def: Mutex<HashMap<StrRef, DefinitionId>>,
class_names: Mutex<HashMap<StrRef, Type>>,
}
impl ResolverInternal {
fn add_id_def(&self, id: String, def: DefinitionId) {
fn add_id_def(&self, id: StrRef, def: DefinitionId) {
self.id_to_def.lock().insert(id, def);
}
fn add_id_type(&self, id: String, ty: Type) {
fn add_id_type(&self, id: StrRef, ty: Type) {
self.id_to_type.lock().insert(id, ty);
}
}
@ -34,24 +34,24 @@ impl ResolverInternal {
struct Resolver(Arc<ResolverInternal>);
impl SymbolResolver for Resolver {
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: &str) -> Option<Type> {
let ret = self.0.id_to_type.lock().get(str).cloned();
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: StrRef) -> Option<Type> {
let ret = self.0.id_to_type.lock().get(&str).cloned();
if ret.is_none() {
// println!("unknown here resolver {}", str);
}
ret
}
fn get_symbol_value(&self, _: &str) -> Option<SymbolValue> {
fn get_symbol_value(&self, _: StrRef) -> Option<SymbolValue> {
unimplemented!()
}
fn get_symbol_location(&self, _: &str) -> Option<Location> {
fn get_symbol_location(&self, _: StrRef) -> Option<Location> {
unimplemented!()
}
fn get_identifier_def(&self, id: &str) -> Option<DefinitionId> {
self.0.id_to_def.lock().get(id).cloned()
fn get_identifier_def(&self, id: StrRef) -> Option<DefinitionId> {
self.0.id_to_def.lock().get(&id).cloned()
}
}
@ -648,15 +648,6 @@ fn test_simple_function_analyze(source: Vec<&str>, tys: Vec<&str>, names: Vec<&s
vec!["5: Class {\nname: \"A\",\ndef_id: DefinitionId(5),\nancestors: [CustomClassKind { id: DefinitionId(5), params: [] }],\nfields: [],\nmethods: [],\ntype_vars: []\n}"];
"simple pass in class"
)]
#[test_case(
vec![indoc! {"
class A:
def fun3(self):
pass
"}],
vec!["function name `fun3` must not end with numbers"];
"err fun end with number"
)]
#[test_case(
vec![indoc! {"
class A:
@ -790,7 +781,7 @@ fn test_analyze(source: Vec<&str>, res: Vec<&str>) {
}
}
};
internal_resolver.add_id_def(id.clone(), def_id);
internal_resolver.add_id_def(id, def_id);
if let Some(ty) = ty {
internal_resolver.add_id_type(id, ty);
}
@ -1027,7 +1018,7 @@ fn test_inference(source: Vec<&str>, res: Vec<&str>) {
);
for inst in instance_to_stmt.iter() {
let ast = &inst.1.body;
for b in ast {
for b in ast.iter() {
println!("{:?}", stringify_folder.fold_stmt(b.clone()).unwrap());
println!("--------------------");
}
@ -1039,7 +1030,7 @@ fn test_inference(source: Vec<&str>, res: Vec<&str>) {
}
fn make_internal_resolver_with_tvar(
tvars: Vec<(String, Vec<Type>)>,
tvars: Vec<(StrRef, Vec<Type>)>,
unifier: &mut Unifier,
print: bool,
) -> Arc<ResolverInternal> {

93
nac3core/src/toplevel/type_annotation.rs
View File

@ -30,49 +30,54 @@ pub fn parse_ast_to_type_annotation_kinds<T>(
mut locked: HashMap<DefinitionId, Vec<Type>>,
) -> Result<TypeAnnotation, String> {
match &expr.node {
ast::ExprKind::Name { id, .. } => match id.as_str() {
"int32" => Ok(TypeAnnotation::PrimitiveKind(primitives.int32)),
"int64" => Ok(TypeAnnotation::PrimitiveKind(primitives.int64)),
"float" => Ok(TypeAnnotation::PrimitiveKind(primitives.float)),
"bool" => Ok(TypeAnnotation::PrimitiveKind(primitives.bool)),
"None" => Ok(TypeAnnotation::PrimitiveKind(primitives.none)),
x => {
if let Some(obj_id) = resolver.get_identifier_def(x) {
let type_vars = {
let def_read = top_level_defs[obj_id.0].try_read();
if let Some(def_read) = def_read {
if let TopLevelDef::Class { type_vars, .. } = &*def_read {
type_vars.clone()
} else {
return Err("function cannot be used as a type".into());
}
ast::ExprKind::Name { id, .. } => {
if id == &"int32".into() {
Ok(TypeAnnotation::PrimitiveKind(primitives.int32))
} else if id == &"int64".into() {
Ok(TypeAnnotation::PrimitiveKind(primitives.int64))
} else if id == &"float".into() {
Ok(TypeAnnotation::PrimitiveKind(primitives.float))
} else if id == &"bool".into() {
Ok(TypeAnnotation::PrimitiveKind(primitives.bool))
} else if id == &"None".into() {
Ok(TypeAnnotation::PrimitiveKind(primitives.none))
} else if let Some(obj_id) = resolver.get_identifier_def(*id) {
let type_vars = {
let def_read = top_level_defs[obj_id.0].try_read();
if let Some(def_read) = def_read {
if let TopLevelDef::Class { type_vars, .. } = &*def_read {
type_vars.clone()
} else {
locked.get(&obj_id).unwrap().clone()
return Err("function cannot be used as a type".into());
}
};
// check param number here
if !type_vars.is_empty() {
return Err(format!(
"expect {} type variable parameter but got 0",
type_vars.len()
));
}
Ok(TypeAnnotation::CustomClassKind { id: obj_id, params: vec![] })
} else if let Some(ty) = resolver.get_symbol_type(unifier, primitives, id) {
if let TypeEnum::TVar { .. } = unifier.get_ty(ty).as_ref() {
Ok(TypeAnnotation::TypeVarKind(ty))
} else {
Err("not a type variable identifier".into())
locked.get(&obj_id).unwrap().clone()
}
} else {
Err("name cannot be parsed as a type annotation".into())
};
// check param number here
if !type_vars.is_empty() {
return Err(format!(
"expect {} type variable parameter but got 0",
type_vars.len()
));
}
Ok(TypeAnnotation::CustomClassKind { id: obj_id, params: vec![] })
} else if let Some(ty) = resolver.get_symbol_type(unifier, primitives, *id) {
if let TypeEnum::TVar { .. } = unifier.get_ty(ty).as_ref() {
Ok(TypeAnnotation::TypeVarKind(ty))
} else {
Err("not a type variable identifier".into())
}
} else {
Err("name cannot be parsed as a type annotation".into())
}
},
}
// virtual
ast::ExprKind::Subscript { value, slice, .. }
if { matches!(&value.node, ast::ExprKind::Name { id, .. } if id == "virtual") } =>
if {
matches!(&value.node, ast::ExprKind::Name { id, .. } if id == &"virtual".into())
} =>
{
let def = parse_ast_to_type_annotation_kinds(
resolver,
@ -90,7 +95,9 @@ pub fn parse_ast_to_type_annotation_kinds<T>(
// list
ast::ExprKind::Subscript { value, slice, .. }
if { matches!(&value.node, ast::ExprKind::Name { id, .. } if id == "list") } =>
if {
matches!(&value.node, ast::ExprKind::Name { id, .. } if id == &"list".into())
} =>
{
let def_ann = parse_ast_to_type_annotation_kinds(
resolver,
@ -105,7 +112,9 @@ pub fn parse_ast_to_type_annotation_kinds<T>(
// tuple
ast::ExprKind::Subscript { value, slice, .. }
if { matches!(&value.node, ast::ExprKind::Name { id, .. } if id == "tuple") } =>
if {
matches!(&value.node, ast::ExprKind::Name { id, .. } if id == &"tuple".into())
} =>
{
if let ast::ExprKind::Tuple { elts, .. } = &slice.node {
let type_annotations = elts
@ -130,11 +139,13 @@ pub fn parse_ast_to_type_annotation_kinds<T>(
// custom class
ast::ExprKind::Subscript { value, slice, .. } => {
if let ast::ExprKind::Name { id, .. } = &value.node {
if vec!["virtual", "Generic", "list", "tuple"].contains(&id.as_str()) {
if vec!["virtual".into(), "Generic".into(), "list".into(), "tuple".into()]
.contains(id)
{
return Err("keywords cannot be class name".into());
}
let obj_id = resolver
.get_identifier_def(id)
.get_identifier_def(*id)
.ok_or_else(|| "unknown class name".to_string())?;
let type_vars = {
let def_read = top_level_defs[obj_id.0].try_read();
@ -272,12 +283,12 @@ pub fn get_type_from_type_annotation_kinds(
.iter()
.map(|(name, ty, _)| {
let subst_ty = unifier.subst(*ty, &subst).unwrap_or(*ty);
(name.clone(), subst_ty)
(*name, subst_ty)
})
.collect::<HashMap<String, Type>>();
.collect::<HashMap<_, Type>>();
tobj_fields.extend(fields.iter().map(|(name, ty)| {
let subst_ty = unifier.subst(*ty, &subst).unwrap_or(*ty);
(name.clone(), subst_ty)
(*name, subst_ty)
}));
// println!("tobj_fields: {:?}", tobj_fields);

20
nac3core/src/typecheck/function_check.rs
View File

@ -2,19 +2,19 @@ use crate::typecheck::typedef::TypeEnum;
use super::type_inferencer::Inferencer;
use super::typedef::Type;
use rustpython_parser::ast::{self, Expr, ExprKind, Stmt, StmtKind};
use rustpython_parser::ast::{self, Expr, ExprKind, Stmt, StmtKind, StrRef};
use std::{collections::HashSet, iter::once};
impl<'a> Inferencer<'a> {
fn check_pattern(
&mut self,
pattern: &Expr<Option<Type>>,
defined_identifiers: &mut HashSet<String>,
defined_identifiers: &mut HashSet<StrRef>,
) -> Result<(), String> {
match &pattern.node {
ExprKind::Name { id, .. } => {
if !defined_identifiers.contains(id) {
defined_identifiers.insert(id.clone());
defined_identifiers.insert(*id);
}
Ok(())
}
@ -42,7 +42,7 @@ impl<'a> Inferencer<'a> {
fn check_expr(
&mut self,
expr: &Expr<Option<Type>>,
defined_identifiers: &mut HashSet<String>,
defined_identifiers: &mut HashSet<StrRef>,
) -> Result<(), String> {
// there are some cases where the custom field is None
if let Some(ty) = &expr.custom {
@ -57,8 +57,8 @@ impl<'a> Inferencer<'a> {
match &expr.node {
ExprKind::Name { id, .. } => {
if !defined_identifiers.contains(id) {
if self.function_data.resolver.get_identifier_def(id).is_some() {
defined_identifiers.insert(id.clone());
if self.function_data.resolver.get_identifier_def(*id).is_some() {
defined_identifiers.insert(*id);
} else {
return Err(format!(
"unknown identifier {} (use before def?) at {}",
@ -107,7 +107,7 @@ impl<'a> Inferencer<'a> {
let mut defined_identifiers = defined_identifiers.clone();
for arg in args.args.iter() {
if !defined_identifiers.contains(&arg.node.arg) {
defined_identifiers.insert(arg.node.arg.clone());
defined_identifiers.insert(arg.node.arg);
}
}
self.check_expr(body, &mut defined_identifiers)?;
@ -143,7 +143,7 @@ impl<'a> Inferencer<'a> {
fn check_stmt(
&mut self,
stmt: &Stmt<Option<Type>>,
defined_identifiers: &mut HashSet<String>,
defined_identifiers: &mut HashSet<StrRef>,
) -> Result<bool, String> {
match &stmt.node {
StmtKind::For { target, iter, body, orelse, .. } => {
@ -167,7 +167,7 @@ impl<'a> Inferencer<'a> {
for ident in body_identifiers.iter() {
if !defined_identifiers.contains(ident) && orelse_identifiers.contains(ident) {
defined_identifiers.insert(ident.clone());
defined_identifiers.insert(*ident);
}
}
Ok(body_returned && orelse_returned)
@ -217,7 +217,7 @@ impl<'a> Inferencer<'a> {
pub fn check_block(
&mut self,
block: &[Stmt<Option<Type>>],
defined_identifiers: &mut HashSet<String>,
defined_identifiers: &mut HashSet<StrRef>,
) -> Result<bool, String> {
let mut ret = false;
for stmt in block {

180
nac3core/src/typecheck/type_inferencer/mod.rs
View File

@ -10,7 +10,7 @@ use itertools::izip;
use rustpython_parser::ast::{
self,
fold::{self, Fold},
Arguments, Comprehension, ExprKind, Located, Location,
Arguments, Comprehension, ExprKind, Located, Location, StrRef,
};
#[cfg(test)]
@ -45,12 +45,12 @@ pub struct FunctionData {
pub struct Inferencer<'a> {
pub top_level: &'a TopLevelContext,
pub defined_identifiers: HashSet<String>,
pub defined_identifiers: HashSet<StrRef>,
pub function_data: &'a mut FunctionData,
pub unifier: &'a mut Unifier,
pub primitives: &'a PrimitiveStore,
pub virtual_checks: &'a mut Vec<(Type, Type)>,
pub variable_mapping: HashMap<String, Type>,
pub variable_mapping: HashMap<StrRef, Type>,
pub calls: &'a mut HashMap<CodeLocation, CallId>,
}
@ -107,6 +107,50 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
fold::fold_stmt(self, node)?
}
ast::StmtKind::Assign { ref targets, .. } => {
if targets.iter().all(|t| matches!(t.node, ast::ExprKind::Name { .. })) {
if let ast::StmtKind::Assign { targets, value, .. } = node.node {
let value = self.fold_expr(*value)?;
let value_ty = value.custom.unwrap();
let targets: Result<Vec<_>, _> = targets.into_iter().map(|target| {
if let ast::ExprKind::Name { id, ctx } = target.node {
self.defined_identifiers.insert(id);
let target_ty = if let Some(ty) = self.variable_mapping.get(&id) {
*ty
} else {
let unifier = &mut self.unifier;
self
.function_data
.resolver
.get_symbol_type(unifier, self.primitives, id)
.unwrap_or_else(|| {
self.variable_mapping.insert(id, value_ty);
value_ty
})
};
let location = target.location;
self.unifier.unify(value_ty, target_ty).map(|_| Located {
location,
node: ast::ExprKind::Name { id, ctx },
custom: Some(target_ty)
})
} else {
unreachable!()
}
}).collect();
let targets = targets?;
return Ok(Located {
location: node.location,
node: ast::StmtKind::Assign {
targets,
value: Box::new(value),
type_comment: None,
},
custom: None
});
} else {
unreachable!()
}
}
for target in targets {
self.infer_pattern(target)?;
}
@ -163,8 +207,8 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
ast::ExprKind::Constant { value, .. } => Some(self.infer_constant(value)?),
ast::ExprKind::Name { id, .. } => {
if !self.defined_identifiers.contains(id) {
if self.function_data.resolver.get_identifier_def(id.as_str()).is_some() {
self.defined_identifiers.insert(id.clone());
if self.function_data.resolver.get_identifier_def(*id).is_some() {
self.defined_identifiers.insert(*id);
} else {
return Err(format!(
"unknown identifier {} (use before def?) at {}",
@ -172,15 +216,17 @@ impl<'a> fold::Fold<()> for Inferencer<'a> {
));
}
}
Some(self.infer_identifier(id)?)
Some(self.infer_identifier(*id)?)
}
ast::ExprKind::List { elts, .. } => Some(self.infer_list(elts)?),
ast::ExprKind::Tuple { elts, .. } => Some(self.infer_tuple(elts)?),
ast::ExprKind::Attribute { value, attr, ctx: _ } => {
Some(self.infer_attribute(value, attr)?)
Some(self.infer_attribute(value, *attr)?)
}
ast::ExprKind::BoolOp { values, .. } => Some(self.infer_bool_ops(values)?),
ast::ExprKind::BinOp { left, op, right } => Some(self.infer_bin_ops(expr.location, left, op, right)?),
ast::ExprKind::BinOp { left, op, right } => {
Some(self.infer_bin_ops(expr.location, left, op, right)?)
}
ast::ExprKind::UnaryOp { op, operand } => Some(self.infer_unary_ops(op, operand)?),
ast::ExprKind::Compare { left, ops, comparators } => {
Some(self.infer_compare(left, ops, comparators)?)
@ -218,7 +264,7 @@ impl<'a> Inferencer<'a> {
match &pattern.node {
ExprKind::Name { id, .. } => {
if !self.defined_identifiers.contains(id) {
self.defined_identifiers.insert(id.clone());
self.defined_identifiers.insert(*id);
}
Ok(())
}
@ -235,11 +281,44 @@ impl<'a> Inferencer<'a> {
fn build_method_call(
&mut self,
location: Location,
method: String,
method: StrRef,
obj: Type,
params: Vec<Type>,
ret: Type,
ret: Option<Type>,
) -> InferenceResult {
if let TypeEnum::TObj { params: class_params, fields, .. } = &*self.unifier.get_ty(obj) {
if class_params.borrow().is_empty() {
if let Some(ty) = fields.borrow().get(&method) {
if let TypeEnum::TFunc(sign) = &*self.unifier.get_ty(*ty) {
let sign = sign.borrow();
if sign.vars.is_empty() {
let call = Call {
posargs: params,
kwargs: HashMap::new(),
ret: sign.ret,
fun: RefCell::new(None),
};
if let Some(ret) = ret {
self.unifier.unify(sign.ret, ret).unwrap();
}
let required: Vec<_> = sign
.args
.iter()
.filter(|v| v.default_value.is_none())
.map(|v| v.name)
.rev()
.collect();
self.unifier
.unify_call(&call, *ty, &sign, &required)
.map_err(|old| format!("{} at {}", old, location))?;
return Ok(sign.ret);
}
}
}
}
}
let ret = ret.unwrap_or_else(|| self.unifier.get_fresh_var().0);
let call = self.unifier.add_call(Call {
posargs: params,
kwargs: HashMap::new(),
@ -277,13 +356,13 @@ impl<'a> Inferencer<'a> {
for arg in args.args.iter() {
let name = &arg.node.arg;
if !defined_identifiers.contains(name) {
defined_identifiers.insert(name.clone());
defined_identifiers.insert(*name);
}
}
let fn_args: Vec<_> = args
.args
.iter()
.map(|v| (v.node.arg.clone(), self.unifier.get_fresh_var().0))
.map(|v| (v.node.arg, self.unifier.get_fresh_var().0))
.collect();
let mut variable_mapping = self.variable_mapping.clone();
variable_mapping.extend(fn_args.iter().cloned());
@ -302,7 +381,7 @@ impl<'a> Inferencer<'a> {
let fun = FunSignature {
args: fn_args
.iter()
.map(|(k, ty)| FuncArg { name: k.clone(), ty: *ty, default_value: None })
.map(|(k, ty)| FuncArg { name: *k, ty: *ty, default_value: None })
.collect(),
ret,
vars: Default::default(),
@ -394,7 +473,7 @@ impl<'a> Inferencer<'a> {
func
{
// handle special functions that cannot be typed in the usual way...
if id == "virtual" {
if id == "virtual".into() {
if args.is_empty() || args.len() > 2 || !keywords.is_empty() {
return Err(
"`virtual` can only accept 1/2 positional arguments.".to_string()
@ -429,7 +508,7 @@ impl<'a> Inferencer<'a> {
});
}
// int64 is special because its argument can be a constant larger than int32
if id == "int64" && args.len() == 1 {
if id == "int64".into() && args.len() == 1 {
if let ExprKind::Constant { value: ast::Constant::Int(val), kind } =
&args[0].node
{
@ -460,12 +539,43 @@ impl<'a> Inferencer<'a> {
.into_iter()
.map(|v| fold::fold_keyword(self, v))
.collect::<Result<Vec<_>, _>>()?;
if let TypeEnum::TFunc(sign) = &*self.unifier.get_ty(func.custom.unwrap()) {
let sign = sign.borrow();
if sign.vars.is_empty() {
let call = Call {
posargs: args.iter().map(|v| v.custom.unwrap()).collect(),
kwargs: keywords
.iter()
.map(|v| (*v.node.arg.as_ref().unwrap(), v.custom.unwrap()))
.collect(),
fun: RefCell::new(None),
ret: sign.ret,
};
let required: Vec<_> = sign
.args
.iter()
.filter(|v| v.default_value.is_none())
.map(|v| v.name)
.rev()
.collect();
self.unifier
.unify_call(&call, func.custom.unwrap(), &sign, &required)
.map_err(|old| format!("{} at {}", old, location))?;
return Ok(Located {
location,
custom: Some(sign.ret),
node: ExprKind::Call { func, args, keywords },
});
}
}
let ret = self.unifier.get_fresh_var().0;
let call = self.unifier.add_call(Call {
posargs: args.iter().map(|v| v.custom.unwrap()).collect(),
kwargs: keywords
.iter()
.map(|v| (v.node.arg.as_ref().unwrap().clone(), v.custom.unwrap()))
.map(|v| (*v.node.arg.as_ref().unwrap(), v.custom.unwrap()))
.collect(),
fun: RefCell::new(None),
ret,
@ -477,8 +587,8 @@ impl<'a> Inferencer<'a> {
Ok(Located { location, custom: Some(ret), node: ExprKind::Call { func, args, keywords } })
}
fn infer_identifier(&mut self, id: &str) -> InferenceResult {
if let Some(ty) = self.variable_mapping.get(id) {
fn infer_identifier(&mut self, id: StrRef) -> InferenceResult {
if let Some(ty) = self.variable_mapping.get(&id) {
Ok(*ty)
} else {
let variable_mapping = &mut self.variable_mapping;
@ -489,7 +599,7 @@ impl<'a> Inferencer<'a> {
.get_symbol_type(unifier, self.primitives, id)
.unwrap_or_else(|| {
let ty = unifier.get_fresh_var().0;
variable_mapping.insert(id.to_string(), ty);
variable_mapping.insert(id, ty);
ty
}))
}
@ -529,9 +639,13 @@ impl<'a> Inferencer<'a> {
Ok(self.unifier.add_ty(TypeEnum::TTuple { ty }))
}
fn infer_attribute(&mut self, value: &ast::Expr<Option<Type>>, attr: &str) -> InferenceResult {
fn infer_attribute(
&mut self,
value: &ast::Expr<Option<Type>>,
attr: StrRef,
) -> InferenceResult {
let (attr_ty, _) = self.unifier.get_fresh_var();
let fields = once((attr.to_string(), attr_ty)).collect();
let fields = once((attr, attr_ty)).collect();
let record = self.unifier.add_record(fields);
self.constrain(value.custom.unwrap(), record, &value.location)?;
Ok(attr_ty)
@ -552,14 +666,13 @@ impl<'a> Inferencer<'a> {
op: &ast::Operator,
right: &ast::Expr<Option<Type>>,
) -> InferenceResult {
let method = binop_name(op);
let ret = self.unifier.get_fresh_var().0;
let method = binop_name(op).into();
self.build_method_call(
location,
method.to_string(),
method,
left.custom.unwrap(),
vec![right.custom.unwrap()],
ret,
None,
)
}
@ -568,15 +681,8 @@ impl<'a> Inferencer<'a> {
op: &ast::Unaryop,
operand: &ast::Expr<Option<Type>>,
) -> InferenceResult {
let method = unaryop_name(op);
let ret = self.unifier.get_fresh_var().0;
self.build_method_call(
operand.location,
method.to_string(),
operand.custom.unwrap(),
vec![],
ret,
)
let method = unaryop_name(op).into();
self.build_method_call(operand.location, method, operand.custom.unwrap(), vec![], None)
}
fn infer_compare(
@ -588,13 +694,13 @@ impl<'a> Inferencer<'a> {
let boolean = self.primitives.bool;
for (a, b, c) in izip!(once(left).chain(comparators), comparators, ops) {
let method =
comparison_name(c).ok_or_else(|| "unsupported comparator".to_string())?.to_string();
comparison_name(c).ok_or_else(|| "unsupported comparator".to_string())?.into();
self.build_method_call(
a.location,
method,
a.custom.unwrap(),
vec![b.custom.unwrap()],
boolean,
Some(boolean),
)?;
}
Ok(boolean)

76
nac3core/src/typecheck/type_inferencer/test.rs
View File

@ -12,26 +12,26 @@ use rustpython_parser::parser::parse_program;
use test_case::test_case;
struct Resolver {
id_to_type: HashMap<String, Type>,
id_to_def: HashMap<String, DefinitionId>,
class_names: HashMap<String, Type>,
id_to_type: HashMap<StrRef, Type>,
id_to_def: HashMap<StrRef, DefinitionId>,
class_names: HashMap<StrRef, Type>,
}
impl SymbolResolver for Resolver {
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: &str) -> Option<Type> {
self.id_to_type.get(str).cloned()
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: StrRef) -> Option<Type> {
self.id_to_type.get(&str).cloned()
}
fn get_symbol_value(&self, _: &str) -> Option<SymbolValue> {
fn get_symbol_value(&self, _: StrRef) -> Option<SymbolValue> {
unimplemented!()
}
fn get_symbol_location(&self, _: &str) -> Option<Location> {
fn get_symbol_location(&self, _: StrRef) -> Option<Location> {
unimplemented!()
}
fn get_identifier_def(&self, id: &str) -> Option<DefinitionId> {
self.id_to_def.get(id).cloned()
fn get_identifier_def(&self, id: StrRef) -> Option<DefinitionId> {
self.id_to_def.get(&id).cloned()
}
}
@ -39,8 +39,8 @@ struct TestEnvironment {
pub unifier: Unifier,
pub function_data: FunctionData,
pub primitives: PrimitiveStore,
pub id_to_name: HashMap<usize, String>,
pub identifier_mapping: HashMap<String, Type>,
pub id_to_name: HashMap<usize, StrRef>,
pub identifier_mapping: HashMap<StrRef, Type>,
pub virtual_checks: Vec<(Type, Type)>,
pub calls: HashMap<CodeLocation, CallId>,
pub top_level: TopLevelContext,
@ -79,11 +79,11 @@ impl TestEnvironment {
set_primitives_magic_methods(&primitives, &mut unifier);
let id_to_name = [
(0, "int32".to_string()),
(1, "int64".to_string()),
(2, "float".to_string()),
(3, "bool".to_string()),
(4, "none".to_string()),
(0, "int32".into()),
(1, "int64".into()),
(2, "float".into()),
(3, "bool".into()),
(4, "none".into()),
]
.iter()
.cloned()
@ -150,7 +150,7 @@ impl TestEnvironment {
for (i, name) in ["int32", "int64", "float", "bool", "none"].iter().enumerate() {
top_level_defs.push(
RwLock::new(TopLevelDef::Class {
name: name.to_string(),
name: (*name).into(),
object_id: DefinitionId(i),
type_vars: Default::default(),
fields: Default::default(),
@ -174,7 +174,7 @@ impl TestEnvironment {
});
top_level_defs.push(
RwLock::new(TopLevelDef::Class {
name: "Foo".to_string(),
name: "Foo".into(),
object_id: DefinitionId(5),
type_vars: vec![v0],
fields: [("a".into(), v0)].into(),
@ -212,7 +212,7 @@ impl TestEnvironment {
});
top_level_defs.push(
RwLock::new(TopLevelDef::Class {
name: "Bar".to_string(),
name: "Bar".into(),
object_id: DefinitionId(6),
type_vars: Default::default(),
fields: [("a".into(), int32), ("b".into(), fun)].into(),
@ -241,7 +241,7 @@ impl TestEnvironment {
});
top_level_defs.push(
RwLock::new(TopLevelDef::Class {
name: "Bar2".to_string(),
name: "Bar2".into(),
object_id: DefinitionId(7),
type_vars: Default::default(),
fields: [("a".into(), bool), ("b".into(), fun)].into(),
@ -261,14 +261,14 @@ impl TestEnvironment {
let class_names = [("Bar".into(), bar), ("Bar2".into(), bar2)].iter().cloned().collect();
let id_to_name = [
(0, "int32".to_string()),
(1, "int64".to_string()),
(2, "float".to_string()),
(3, "bool".to_string()),
(4, "none".to_string()),
(5, "Foo".to_string()),
(6, "Bar".to_string()),
(7, "Bar2".to_string()),
(0, "int32".into()),
(1, "int64".into()),
(2, "float".into()),
(3, "bool".into()),
(4, "none".into()),
(5, "Foo".into()),
(6, "Bar".into()),
(7, "Bar2".into()),
]
.iter()
.cloned()
@ -385,7 +385,7 @@ fn test_basic(source: &str, mapping: HashMap<&str, &str>, virtuals: &[(&str, &st
let mut env = TestEnvironment::new();
let id_to_name = std::mem::take(&mut env.id_to_name);
let mut defined_identifiers: HashSet<_> = env.identifier_mapping.keys().cloned().collect();
defined_identifiers.insert("virtual".to_string());
defined_identifiers.insert("virtual".into());
let mut inferencer = env.get_inferencer();
inferencer.defined_identifiers = defined_identifiers.clone();
let statements = parse_program(source).unwrap();
@ -400,16 +400,16 @@ fn test_basic(source: &str, mapping: HashMap<&str, &str>, virtuals: &[(&str, &st
for (k, v) in inferencer.variable_mapping.iter() {
let name = inferencer.unifier.stringify(
*v,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| (*id_to_name.get(&v).unwrap()).into(),
&mut |v| format!("v{}", v),
);
println!("{}: {}", k, name);
}
for (k, v) in mapping.iter() {
let ty = inferencer.variable_mapping.get(*k).unwrap();
let ty = inferencer.variable_mapping.get(&(*k).into()).unwrap();
let name = inferencer.unifier.stringify(
*ty,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| (*id_to_name.get(&v).unwrap()).into(),
&mut |v| format!("v{}", v),
);
assert_eq!(format!("{}: {}", k, v), format!("{}: {}", k, name));
@ -418,12 +418,12 @@ fn test_basic(source: &str, mapping: HashMap<&str, &str>, virtuals: &[(&str, &st
for ((a, b), (x, y)) in zip(inferencer.virtual_checks.iter(), virtuals) {
let a = inferencer.unifier.stringify(
*a,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| (*id_to_name.get(&v).unwrap()).into(),
&mut |v| format!("v{}", v),
);
let b = inferencer.unifier.stringify(
*b,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| (*id_to_name.get(&v).unwrap()).into(),
&mut |v| format!("v{}", v),
);
@ -527,7 +527,7 @@ fn test_primitive_magic_methods(source: &str, mapping: HashMap<&str, &str>) {
let mut env = TestEnvironment::basic_test_env();
let id_to_name = std::mem::take(&mut env.id_to_name);
let mut defined_identifiers: HashSet<_> = env.identifier_mapping.keys().cloned().collect();
defined_identifiers.insert("virtual".to_string());
defined_identifiers.insert("virtual".into());
let mut inferencer = env.get_inferencer();
inferencer.defined_identifiers = defined_identifiers.clone();
let statements = parse_program(source).unwrap();
@ -542,16 +542,16 @@ fn test_primitive_magic_methods(source: &str, mapping: HashMap<&str, &str>) {
for (k, v) in inferencer.variable_mapping.iter() {
let name = inferencer.unifier.stringify(
*v,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| (*id_to_name.get(&v).unwrap()).into(),
&mut |v| format!("v{}", v),
);
println!("{}: {}", k, name);
}
for (k, v) in mapping.iter() {
let ty = inferencer.variable_mapping.get(*k).unwrap();
let ty = inferencer.variable_mapping.get(&(*k).into()).unwrap();
let name = inferencer.unifier.stringify(
*ty,
&mut |v| id_to_name.get(&v).unwrap().clone(),
&mut |v| (*id_to_name.get(&v).unwrap()).into(),
&mut |v| format!("v{}", v),
);
assert_eq!(format!("{}: {}", k, v), format!("{}: {}", k, name));

125
nac3core/src/typecheck/typedef/mod.rs
View File

@ -6,6 +6,8 @@ use std::iter::once;
use std::rc::Rc;
use std::sync::{Arc, Mutex};
use rustpython_parser::ast::StrRef;
use super::unification_table::{UnificationKey, UnificationTable};
use crate::symbol_resolver::SymbolValue;
use crate::toplevel::{DefinitionId, TopLevelContext, TopLevelDef};
@ -25,14 +27,14 @@ type VarMap = Mapping<u32>;
#[derive(Clone)]
pub struct Call {
pub posargs: Vec<Type>,
pub kwargs: HashMap<String, Type>,
pub kwargs: HashMap<StrRef, Type>,
pub ret: Type,
pub fun: RefCell<Option<Type>>,
}
#[derive(Clone)]
pub struct FuncArg {
pub name: String,
pub name: StrRef,
pub ty: Type,
pub default_value: Option<SymbolValue>,
}
@ -48,7 +50,7 @@ pub struct FunSignature {
pub enum TypeVarMeta {
Generic,
Sequence(RefCell<Mapping<i32>>),
Record(RefCell<Mapping<String>>),
Record(RefCell<Mapping<StrRef>>),
}
#[derive(Clone)]
@ -70,7 +72,7 @@ pub enum TypeEnum {
},
TObj {
obj_id: DefinitionId,
fields: RefCell<Mapping<String>>,
fields: RefCell<Mapping<StrRef>>,
params: RefCell<VarMap>,
},
TVirtual {
@ -105,6 +107,12 @@ pub struct Unifier {
var_id: u32,
}
impl Default for Unifier {
fn default() -> Self {
Unifier::new()
}
}
impl Unifier {
/// Get an empty unifier
pub fn new() -> Unifier {
@ -141,7 +149,7 @@ impl Unifier {
.borrow()
.iter()
.map(|(name, ty)| {
(name.clone(), self.copy_from(unifier, *ty, type_cache))
(*name, self.copy_from(unifier, *ty, type_cache))
})
.collect(),
),
@ -163,7 +171,7 @@ impl Unifier {
.args
.iter()
.map(|arg| FuncArg {
name: arg.name.clone(),
name: arg.name,
ty: self.copy_from(unifier, arg.ty, type_cache),
default_value: arg.default_value.clone(),
})
@ -219,7 +227,7 @@ impl Unifier {
self.unification_table.new_key(Rc::new(a))
}
pub fn add_record(&mut self, fields: Mapping<String>) -> Type {
pub fn add_record(&mut self, fields: Mapping<StrRef>) -> Type {
let id = self.var_id + 1;
self.var_id += 1;
self.add_ty(TypeEnum::TVar {
@ -372,6 +380,54 @@ impl Unifier {
}
}
pub fn unify_call(&mut self, call: &Call, b: Type, signature: &FunSignature, required: &[StrRef]) -> Result<(), String> {
let Call { posargs, kwargs, ret, fun } = call;
let instantiated = self.instantiate_fun(b, &*signature);
let r = self.get_ty(instantiated);
let r = r.as_ref();
let signature;
if let TypeEnum::TFunc(s) = &*r {
signature = s;
} else {
unreachable!();
}
// 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.to_vec();
let mut all_names: Vec<_> = signature
.borrow()
.args
.iter()
.map(|v| (v.name, v.ty))
.rev()
.collect();
for (i, t) in posargs.iter().enumerate() {
if signature.borrow().args.len() <= i {
return Err("Too many arguments.".to_string());
}
if !required.is_empty() {
required.pop();
}
self.unify(all_names.pop().unwrap().1, *t)?;
}
for (k, t) in kwargs.iter() {
if let Some(i) = required.iter().position(|v| v == k) {
required.remove(i);
}
let i = all_names
.iter()
.position(|v| &v.0 == k)
.ok_or_else(|| format!("Unknown keyword argument {}", k))?;
self.unify(all_names.remove(i).1, *t)?;
}
if !required.is_empty() {
return Err("Expected more arguments".to_string());
}
self.unify(*ret, signature.borrow().ret)?;
*fun.borrow_mut() = Some(instantiated);
Ok(())
}
pub fn unify(&mut self, a: Type, b: Type) -> Result<(), String> {
if self.unification_table.unioned(a, b) {
Ok(())
@ -404,7 +460,7 @@ impl Unifier {
if let Some(ty) = fields2.get(key) {
self.unify(*ty, *value)?;
} else {
fields2.insert(key.clone(), *value);
fields2.insert(*key, *value);
}
}
}
@ -563,60 +619,19 @@ impl Unifier {
}
(TCall(calls), TFunc(signature)) => {
self.occur_check(a, b)?;
let required: Vec<String> = signature
let required: Vec<StrRef> = signature
.borrow()
.args
.iter()
.filter(|v| v.default_value.is_none())
.map(|v| v.name.clone())
.map(|v| v.name)
.rev()
.collect();
// we unify every calls to the function signature.
let signature = signature.borrow();
for c in calls.borrow().iter() {
let Call { posargs, kwargs, ret, fun } = &*self.calls[c.0].clone();
let instantiated = self.instantiate_fun(b, &*signature.borrow());
let r = self.get_ty(instantiated);
let r = r.as_ref();
let signature;
if let TypeEnum::TFunc(s) = &*r {
signature = s;
} else {
unreachable!();
}
// 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();
for (i, t) in posargs.iter().enumerate() {
if signature.borrow().args.len() <= i {
return Err("Too many arguments.".to_string());
}
if !required.is_empty() {
required.pop();
}
self.unify(all_names.pop().unwrap().1, *t)?;
}
for (k, t) in kwargs.iter() {
if let Some(i) = required.iter().position(|v| v == k) {
required.remove(i);
}
let i = all_names
.iter()
.position(|v| &v.0 == k)
.ok_or_else(|| format!("Unknown keyword argument {}", k))?;
self.unify(all_names.remove(i).1, *t)?;
}
if !required.is_empty() {
return Err("Expected more arguments".to_string());
}
self.unify(*ret, signature.borrow().ret)?;
*fun.borrow_mut() = Some(instantiated);
let call = self.calls[c.0].clone();
self.unify_call(&call, b, &signature, &required)?;
}
self.set_a_to_b(a, b);
}
@ -662,7 +677,7 @@ impl Unifier {
if let TopLevelDef::Class { name, .. } =
&*top_level.definitions.read()[id].read()
{
name.clone()
name.to_string()
} else {
unreachable!("expected class definition")
}

16
nac3core/src/typecheck/typedef/test.rs
View File

@ -149,7 +149,7 @@ impl TestEnvironment {
let mut fields = HashMap::new();
while &s[0..1] != "]" {
let eq = s.find('=').unwrap();
let key = s[1..eq].to_string();
let key = s[1..eq].into();
let result = self.internal_parse(&s[eq + 1..], mapping);
fields.insert(key, result.0);
s = result.1;
@ -342,8 +342,8 @@ fn test_recursive_subst() {
let instantiated_ty = env.unifier.get_ty(instantiated);
if let TypeEnum::TObj { fields, .. } = &*instantiated_ty {
let fields = fields.borrow();
assert!(env.unifier.unioned(*fields.get("a").unwrap(), int));
assert!(env.unifier.unioned(*fields.get("rec").unwrap(), instantiated));
assert!(env.unifier.unioned(*fields.get(&"a".into()).unwrap(), int));
assert!(env.unifier.unioned(*fields.get(&"rec".into()).unwrap(), instantiated));
} else {
unreachable!()
}
@ -358,10 +358,10 @@ fn test_virtual() {
));
let bar = env.unifier.add_ty(TypeEnum::TObj {
obj_id: DefinitionId(5),
fields: [("f".to_string(), fun), ("a".to_string(), int)]
fields: [("f".into(), fun), ("a".into(), int)]
.iter()
.cloned()
.collect::<HashMap<_, _>>()
.collect::<HashMap<StrRef, _>>()
.into(),
params: HashMap::new().into(),
});
@ -370,15 +370,15 @@ fn test_virtual() {
let a = env.unifier.add_ty(TypeEnum::TVirtual { ty: bar });
let b = env.unifier.add_ty(TypeEnum::TVirtual { ty: v0 });
let c = env.unifier.add_record([("f".to_string(), v1)].iter().cloned().collect());
let c = env.unifier.add_record([("f".into(), v1)].iter().cloned().collect());
env.unifier.unify(a, b).unwrap();
env.unifier.unify(b, c).unwrap();
assert!(env.unifier.eq(v1, fun));
let d = env.unifier.add_record([("a".to_string(), v1)].iter().cloned().collect());
let d = env.unifier.add_record([("a".into(), v1)].iter().cloned().collect());
assert_eq!(env.unifier.unify(b, d), Err("Cannot access field a for virtual type".to_string()));
let d = env.unifier.add_record([("b".to_string(), v1)].iter().cloned().collect());
let d = env.unifier.add_record([("b".into(), v1)].iter().cloned().collect());
assert_eq!(env.unifier.unify(b, d), Err("No such attribute b".to_string()));
}

6
nac3core/src/typecheck/unification_table.rs
View File

@ -12,6 +12,12 @@ pub struct UnificationTable<V> {
values: Vec<Option<V>>,
}
impl<V> Default for UnificationTable<V> {
fn default() -> Self {
Self::new()
}
}
impl<V> UnificationTable<V> {
pub fn new() -> UnificationTable<V> {
UnificationTable { parents: Vec::new(), ranks: Vec::new(), values: Vec::new() }

2
nac3embedded/Cargo.toml
View File

@ -10,7 +10,7 @@ crate-type = ["cdylib"]
[dependencies]
pyo3 = { version = "0.14", features = ["extension-module"] }
rustpython-parser = { git = "https://github.com/pca006132/RustPython", branch = "main" }
rustpython-parser = { git = "https://github.com/m-labs/RustPython", branch = "parser-mod" }
inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm11-0"] }
parking_lot = "0.11"
nac3core = { path = "../nac3core" }

4
nac3standalone/Cargo.toml
View File

@ -6,6 +6,6 @@ edition = "2018"
[dependencies]
inkwell = { git = "https://github.com/TheDan64/inkwell", branch = "master", features = ["llvm11-0"] }
rustpython-parser = { git = "https://github.com/pca006132/RustPython", branch = "main" }
parking_lot = "0.11"
rustpython-parser = { git = "https://github.com/m-labs/RustPython", branch = "parser-mod" }
parking_lot = "0.11.1"
nac3core = { path = "../nac3core" }

23
nac3standalone/src/basic_symbol_resolver.rs
View File

@ -8,20 +8,21 @@ use nac3core::{
},
};
use parking_lot::Mutex;
use rustpython_parser::ast::StrRef;
use std::{collections::HashMap, sync::Arc};
pub struct ResolverInternal {
pub id_to_type: Mutex<HashMap<String, Type>>,
pub id_to_def: Mutex<HashMap<String, DefinitionId>>,
pub class_names: Mutex<HashMap<String, Type>>,
pub id_to_type: Mutex<HashMap<StrRef, Type>>,
pub id_to_def: Mutex<HashMap<StrRef, DefinitionId>>,
pub class_names: Mutex<HashMap<StrRef, Type>>,
}
impl ResolverInternal {
pub fn add_id_def(&self, id: String, def: DefinitionId) {
pub fn add_id_def(&self, id: StrRef, def: DefinitionId) {
self.id_to_def.lock().insert(id, def);
}
pub fn add_id_type(&self, id: String, ty: Type) {
pub fn add_id_type(&self, id: StrRef, ty: Type) {
self.id_to_type.lock().insert(id, ty);
}
}
@ -29,23 +30,23 @@ impl ResolverInternal {
pub struct Resolver(pub Arc<ResolverInternal>);
impl SymbolResolver for Resolver {
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: &str) -> Option<Type> {
let ret = self.0.id_to_type.lock().get(str).cloned();
fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: StrRef) -> Option<Type> {
let ret = self.0.id_to_type.lock().get(&str).cloned();
if ret.is_none() {
// println!("unknown here resolver {}", str);
}
ret
}
fn get_symbol_value(&self, _: &str) -> Option<SymbolValue> {
fn get_symbol_value(&self, _: StrRef) -> Option<SymbolValue> {
unimplemented!()
}
fn get_symbol_location(&self, _: &str) -> Option<Location> {
fn get_symbol_location(&self, _: StrRef) -> Option<Location> {
unimplemented!()
}
fn get_identifier_def(&self, id: &str) -> Option<DefinitionId> {
self.0.id_to_def.lock().get(id).cloned()
fn get_identifier_def(&self, id: StrRef) -> Option<DefinitionId> {
self.0.id_to_def.lock().get(&id).cloned()
}
}

4
nac3standalone/src/main.rs
View File

@ -78,7 +78,7 @@ fn main() {
"__main__".into(),
).unwrap();
internal_resolver.add_id_def(name.clone(), def_id);
internal_resolver.add_id_def(name, def_id);
if let Some(ty) = ty {
internal_resolver.add_id_type(name, ty);
}
@ -92,7 +92,7 @@ fn main() {
let instance = {
let defs = top_level.definitions.read();
let mut instance = defs[resolver.get_identifier_def("run").unwrap().0].write();
let mut instance = defs[resolver.get_identifier_def("run".into()).unwrap().0].write();
if let TopLevelDef::Function {
instance_to_stmt,
instance_to_symbol,