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

core: refactor typecheck/magic_methods.rs operators & add op symbol name

Browse Source
This commit is contained in:
lyken 2024-06-27 13:01:26 +08:00
parent cbff356d50
commit 0a732691c9
5 changed files with 209 additions and 124 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
nac3core/src/codegen/expr.rs
View File

@ -27,7 +27,7 @@ use crate::{
DefinitionId, TopLevelDef,
},
typecheck::{
magic_methods::{binop_assign_name, binop_name, unaryop_name},
magic_methods::{Binop, BinopVariant, HasOpInfo},
typedef::{FunSignature, FuncArg, Type, TypeEnum, TypeVarId, Unifier, VarMap},
},
};
@ -1165,10 +1165,9 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
left: (&Option<Type>, BasicValueEnum<'ctx>),
op: Operator,
op: Binop,
right: (&Option<Type>, BasicValueEnum<'ctx>),
loc: Location,
is_aug_assign: bool,
) -> Result<Option<ValueEnum<'ctx>>, String> {
let (left_ty, left_val) = left;
let (right_ty, right_val) = right;
@ -1180,17 +1179,17 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
// which would be unchanged until further unification, which we would never do
// when doing code generation for function instances
if ty1 == ty2 && [ctx.primitives.int32, ctx.primitives.int64].contains(&ty1) {
Ok(Some(ctx.gen_int_ops(generator, op, left_val, right_val, true).into()))
Ok(Some(ctx.gen_int_ops(generator, op.base, left_val, right_val, true).into()))
} else if ty1 == ty2 && [ctx.primitives.uint32, ctx.primitives.uint64].contains(&ty1) {
Ok(Some(ctx.gen_int_ops(generator, op, left_val, right_val, false).into()))
} else if [Operator::LShift, Operator::RShift].contains(&op) {
Ok(Some(ctx.gen_int_ops(generator, op.base, left_val, right_val, false).into()))
} else if [Operator::LShift, Operator::RShift].contains(&op.base) {
let signed = [ctx.primitives.int32, ctx.primitives.int64].contains(&ty1);
Ok(Some(ctx.gen_int_ops(generator, op, left_val, right_val, signed).into()))
Ok(Some(ctx.gen_int_ops(generator, op.base, left_val, right_val, signed).into()))
} else if ty1 == ty2 && ctx.primitives.float == ty1 {
Ok(Some(ctx.gen_float_ops(op, left_val, right_val).into()))
Ok(Some(ctx.gen_float_ops(op.base, left_val, right_val).into()))
} else if ty1 == ctx.primitives.float && ty2 == ctx.primitives.int32 {
// Pow is the only operator that would pass typecheck between float and int
assert_eq!(op, Operator::Pow);
assert_eq!(op.base, Operator::Pow);
let res = call_float_powi(
ctx,
left_val.into_float_value(),
@ -1379,13 +1378,16 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
let right_val =
NDArrayValue::from_ptr_val(right_val.into_pointer_value(), llvm_usize, None);
let res = if op == Operator::MatMult {
let res = if op.base == Operator::MatMult {
// MatMult is the only binop which is not an elementwise op
numpy::ndarray_matmul_2d(
generator,
ctx,
ndarray_dtype1,
if is_aug_assign { Some(left_val) } else { None },
match op.variant {
BinopVariant::Normal => None,
BinopVariant::AugAssign => Some(left_val),
},
left_val,
right_val,
)?
@ -1394,7 +1396,10 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
generator,
ctx,
ndarray_dtype1,
if is_aug_assign { Some(left_val) } else { None },
match op.variant {
BinopVariant::Normal => None,
BinopVariant::AugAssign => Some(left_val),
},
(left_val.as_base_value().into(), false),
(right_val.as_base_value().into(), false),
|generator, ctx, (lhs, rhs)| {
@ -1405,7 +1410,6 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
op,
(&Some(ndarray_dtype2), rhs),
ctx.current_loc,
is_aug_assign,
)?
.unwrap()
.to_basic_value_enum(
@ -1430,7 +1434,10 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
generator,
ctx,
ndarray_dtype,
if is_aug_assign { Some(ndarray_val) } else { None },
match op.variant {
BinopVariant::Normal => None,
BinopVariant::AugAssign => Some(ndarray_val),
},
(left_val, !is_ndarray1),
(right_val, !is_ndarray2),
|generator, ctx, (lhs, rhs)| {
@ -1441,7 +1448,6 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
op,
(&Some(ndarray_dtype), rhs),
ctx.current_loc,
is_aug_assign,
)?
.unwrap()
.to_basic_value_enum(ctx, generator, ndarray_dtype)
@ -1456,13 +1462,16 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
unreachable!("must be tobj")
};
let (op_name, id) = {
let (binop_name, binop_assign_name) =
(binop_name(op).into(), binop_assign_name(op).into());
let normal_method_name = Binop::normal(op.base).op_info().method_name;
let assign_method_name = Binop::aug_assign(op.base).op_info().method_name;
// if is aug_assign, try aug_assign operator first
if is_aug_assign && fields.contains_key(&binop_assign_name) {
(binop_assign_name, *obj_id)
if op.variant == BinopVariant::AugAssign
&& fields.contains_key(&assign_method_name.into())
{
(assign_method_name.into(), *obj_id)
} else {
(binop_name, *obj_id)
(normal_method_name.into(), *obj_id)
}
};
@ -1509,10 +1518,9 @@ pub fn gen_binop_expr<'ctx, G: CodeGenerator>(
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
left: &Expr<Option<Type>>,
op: Operator,
op: Binop,
right: &Expr<Option<Type>>,
loc: Location,
is_aug_assign: bool,
) -> Result<Option<ValueEnum<'ctx>>, String> {
let left_val = if let Some(v) = generator.gen_expr(ctx, left)? {
v.to_basic_value_enum(ctx, generator, left.custom.unwrap())?
@ -1532,7 +1540,6 @@ pub fn gen_binop_expr<'ctx, G: CodeGenerator>(
op,
(&right.custom, right_val),
loc,
is_aug_assign,
)
}
@ -1616,7 +1623,10 @@ pub fn gen_unaryop_expr_with_values<'ctx, G: CodeGenerator>(
if op == ast::Unaryop::Invert {
ast::Unaryop::Not
} else {
unreachable!("ufunc {} not supported for ndarray[bool, N]", unaryop_name(op))
unreachable!(
"ufunc {} not supported for ndarray[bool, N]",
op.op_info().method_name,
)
}
} else {
op
@ -2698,7 +2708,7 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
}
}
ExprKind::BinOp { op, left, right } => {
return gen_binop_expr(generator, ctx, left, *op, right, expr.location, false);
return gen_binop_expr(generator, ctx, left, Binop::normal(*op), right, expr.location);
}
ExprKind::UnaryOp { op, operand } => return gen_unaryop_expr(generator, ctx, *op, operand),
ExprKind::Compare { left, ops, comparators } => {

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

@ -11,8 +11,7 @@ use crate::{
call_ndarray_calc_broadcast_index, call_ndarray_calc_nd_indices,
call_ndarray_calc_size,
},
llvm_intrinsics,
llvm_intrinsics::call_memcpy_generic,
llvm_intrinsics::{self, call_memcpy_generic},
stmt::{gen_for_callback_incrementing, gen_for_range_callback, gen_if_else_expr_callback},
CodeGenContext, CodeGenerator,
},
@ -22,7 +21,10 @@ use crate::{
numpy::{make_ndarray_ty, unpack_ndarray_var_tys},
DefinitionId,
},
typecheck::typedef::{FunSignature, Type, TypeEnum},
typecheck::{
magic_methods::Binop,
typedef::{FunSignature, Type, TypeEnum},
},
};
use inkwell::types::{AnyTypeEnum, BasicTypeEnum, PointerType};
use inkwell::{
@ -1679,10 +1681,9 @@ pub fn ndarray_matmul_2d<'ctx, G: CodeGenerator>(
generator,
ctx,
(&Some(elem_ty), a),
Operator::Mult,
Binop::normal(Operator::Mult),
(&Some(elem_ty), b),
ctx.current_loc,
false,
)?
.unwrap()
.to_basic_value_enum(ctx, generator, elem_ty)?;
@ -1692,10 +1693,9 @@ pub fn ndarray_matmul_2d<'ctx, G: CodeGenerator>(
generator,
ctx,
(&Some(elem_ty), result),
Operator::Add,
Binop::normal(Operator::Add),
(&Some(elem_ty), a_mul_b),
ctx.current_loc,
false,
)?
.unwrap()
.to_basic_value_enum(ctx, generator, elem_ty)?;

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

@ -11,7 +11,10 @@ use crate::{
gen_in_range_check,
},
toplevel::{helper::PrimDef, numpy::unpack_ndarray_var_tys, DefinitionId, TopLevelDef},
typecheck::typedef::{FunSignature, Type, TypeEnum},
typecheck::{
magic_methods::Binop,
typedef::{FunSignature, Type, TypeEnum},
},
};
use inkwell::{
attributes::{Attribute, AttributeLoc},
@ -1593,7 +1596,14 @@ pub fn gen_stmt<G: CodeGenerator>(
StmtKind::For { .. } => generator.gen_for(ctx, stmt)?,
StmtKind::With { .. } => generator.gen_with(ctx, stmt)?,
StmtKind::AugAssign { target, op, value, .. } => {
let value = gen_binop_expr(generator, ctx, target, *op, value, stmt.location, true)?;
let value = gen_binop_expr(
generator,
ctx,
target,
Binop::aug_assign(*op),
value,
stmt.location,
)?;
generator.gen_assign(ctx, target, value.unwrap())?;
}
StmtKind::Try { .. } => gen_try(generator, ctx, stmt)?,

193
nac3core/src/typecheck/magic_methods.rs
View File

@ -5,7 +5,7 @@ use crate::typecheck::{
type_inferencer::*,
typedef::{FunSignature, FuncArg, Type, TypeEnum, Unifier, VarMap},
};
use itertools::Itertools;
use itertools::{iproduct, Itertools};
use nac3parser::ast::StrRef;
use nac3parser::ast::{Cmpop, Operator, Unaryop};
use std::cmp::max;
@ -13,67 +13,138 @@ use std::collections::HashMap;
use std::rc::Rc;
use strum::IntoEnumIterator;
/// The variant of a binary operator.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum BinopVariant {
/// The normal variant.
/// For addition, it would be `+`.
Normal,
/// The "Augmented Assigning Operator" variant.
/// For addition, it would be `+=`.
AugAssign,
}
/// A binary operator with its variant.
#[derive(Debug, Clone, Copy)]
pub struct Binop {
/// The base [`Operator`] of this binary operator.
pub base: Operator,
/// The variant of this binary operator.
pub variant: BinopVariant,
}
impl Binop {
/// Make a [`Binop`] of the normal variant from an [`Operator`].
#[must_use]
pub fn binop_name(op: Operator) -> &'static str {
match op {
Operator::Add => "__add__",
Operator::Sub => "__sub__",
Operator::Div => "__truediv__",
Operator::Mod => "__mod__",
Operator::Mult => "__mul__",
Operator::Pow => "__pow__",
Operator::BitOr => "__or__",
Operator::BitXor => "__xor__",
Operator::BitAnd => "__and__",
Operator::LShift => "__lshift__",
Operator::RShift => "__rshift__",
Operator::FloorDiv => "__floordiv__",
Operator::MatMult => "__matmul__",
pub fn normal(base: Operator) -> Self {
Binop { base, variant: BinopVariant::Normal }
}
/// Make a [`Binop`] of the aug assign variant from an [`Operator`].
#[must_use]
pub fn aug_assign(base: Operator) -> Self {
Binop { base, variant: BinopVariant::AugAssign }
}
}
#[must_use]
pub fn binop_assign_name(op: Operator) -> &'static str {
match op {
Operator::Add => "__iadd__",
Operator::Sub => "__isub__",
Operator::Div => "__itruediv__",
Operator::Mod => "__imod__",
Operator::Mult => "__imul__",
Operator::Pow => "__ipow__",
Operator::BitOr => "__ior__",
Operator::BitXor => "__ixor__",
Operator::BitAnd => "__iand__",
Operator::LShift => "__ilshift__",
Operator::RShift => "__irshift__",
Operator::FloorDiv => "__ifloordiv__",
Operator::MatMult => "__imatmul__",
}
/// Details about an operator (unary, binary, etc...) in Python
#[derive(Debug, Clone, Copy)]
pub struct OpInfo {
/// The method name of the binary operator.
/// For addition, this would be `__add__`, and `__iadd__` if
/// it is the augmented assigning variant.
pub method_name: &'static str,
/// The symbol of the binary operator.
/// For addition, this would be `+`, and `+=` if
/// it is the augmented assigning variant.
pub symbol: &'static str,
}
#[must_use]
pub fn unaryop_name(op: Unaryop) -> &'static str {
match op {
Unaryop::UAdd => "__pos__",
Unaryop::USub => "__neg__",
Unaryop::Not => "__not__",
Unaryop::Invert => "__inv__",
}
/// Helper macro to conveniently build an [`OpInfo`].
///
/// Example usage: `make_info("add", "+")` generates `OpInfo { name: "__add__", symbol: "+" }`
macro_rules! make_op_info {
($name:expr, $symbol:expr) => {
OpInfo { method_name: concat!("__", $name, "__"), symbol: $symbol }
};
}
#[must_use]
pub fn comparison_name(op: Cmpop) -> Option<&'static str> {
pub trait HasOpInfo {
fn op_info(&self) -> OpInfo;
}
fn try_get_cmpop_info(op: Cmpop) -> Option<OpInfo> {
match op {
Cmpop::Lt => Some("__lt__"),
Cmpop::LtE => Some("__le__"),
Cmpop::Gt => Some("__gt__"),
Cmpop::GtE => Some("__ge__"),
Cmpop::Eq => Some("__eq__"),
Cmpop::NotEq => Some("__ne__"),
Cmpop::Lt => Some(make_op_info!("lt", "<")),
Cmpop::LtE => Some(make_op_info!("le", "<=")),
Cmpop::Gt => Some(make_op_info!("gt", ">")),
Cmpop::GtE => Some(make_op_info!("ge", ">=")),
Cmpop::Eq => Some(make_op_info!("eq", "==")),
Cmpop::NotEq => Some(make_op_info!("ne", "!=")),
_ => None,
}
}
impl OpInfo {
#[must_use]
pub fn supports_cmpop(op: Cmpop) -> bool {
try_get_cmpop_info(op).is_some()
}
}
impl HasOpInfo for Cmpop {
fn op_info(&self) -> OpInfo {
try_get_cmpop_info(*self).expect("{self:?} is not supported")
}
}
impl HasOpInfo for Binop {
fn op_info(&self) -> OpInfo {
// Helper macro to generate both the normal variant [`OpInfo`] and the
// augmented assigning variant [`OpInfo`] for a binary operator conveniently.
macro_rules! info {
($name:literal, $symbol:literal) => {
(
make_op_info!($name, $symbol),
make_op_info!(concat!("i", $name), concat!($symbol, "=")),
)
};
}
let (normal_variant, aug_assign_variant) = match self.base {
Operator::Add => info!("add", "+"),
Operator::Sub => info!("sub", "-"),
Operator::Div => info!("truediv", "/"),
Operator::Mod => info!("mod", "%"),
Operator::Mult => info!("mul", "*"),
Operator::Pow => info!("pow", "**"),
Operator::BitOr => info!("or", "|"),
Operator::BitXor => info!("xor", "^"),
Operator::BitAnd => info!("and", "&"),
Operator::LShift => info!("lshift", "<<"),
Operator::RShift => info!("rshift", ">>"),
Operator::FloorDiv => info!("floordiv", "//"),
Operator::MatMult => info!("matmul", "@"),
};
match self.variant {
BinopVariant::Normal => normal_variant,
BinopVariant::AugAssign => aug_assign_variant,
}
}
}
impl HasOpInfo for Unaryop {
fn op_info(&self) -> OpInfo {
match self {
Unaryop::UAdd => make_op_info!("pos", "+"),
Unaryop::USub => make_op_info!("neg", "-"),
Unaryop::Not => make_op_info!("not", "not"), // i.e., `not False`, so the symbol is just `not`.
Unaryop::Invert => make_op_info!("inv", "~"),
}
}
}
pub(super) fn with_fields<F>(unifier: &mut Unifier, ty: Type, f: F)
where
F: FnOnce(&mut Unifier, &mut HashMap<StrRef, (Type, bool)>),
@ -115,23 +186,9 @@ pub fn impl_binop(
let ret_ty = ret_ty.unwrap_or_else(|| unifier.get_fresh_var(None, None).ty);
for op in ops {
fields.insert(binop_name(*op).into(), {
(
unifier.add_ty(TypeEnum::TFunc(FunSignature {
ret: ret_ty,
vars: function_vars.clone(),
args: vec![FuncArg {
ty: other_ty,
default_value: None,
name: "other".into(),
}],
})),
false,
)
});
fields.insert(binop_assign_name(*op).into(), {
for (base_op, variant) in iproduct!(ops, [BinopVariant::Normal, BinopVariant::AugAssign]) {
let op = Binop { base: *base_op, variant };
fields.insert(op.op_info().method_name.into(), {
(
unifier.add_ty(TypeEnum::TFunc(FunSignature {
ret: ret_ty,
@ -155,7 +212,7 @@ pub fn impl_unaryop(unifier: &mut Unifier, ty: Type, ret_ty: Option<Type>, ops:
for op in ops {
fields.insert(
unaryop_name(*op).into(),
op.op_info().method_name.into(),
(
unifier.add_ty(TypeEnum::TFunc(FunSignature {
ret: ret_ty,
@ -195,7 +252,7 @@ pub fn impl_cmpop(
for op in ops {
fields.insert(
comparison_name(*op).unwrap().into(),
op.op_info().method_name.into(),
(
unifier.add_ty(TypeEnum::TFunc(FunSignature {
ret: ret_ty,

46
nac3core/src/typecheck/type_inferencer/mod.rs
View File

@ -491,7 +491,8 @@ impl<'a> Fold<()> for Inferencer<'a> {
(None, None) => {}
},
ast::StmtKind::AugAssign { target, op, value, .. } => {
let res_ty = self.infer_bin_ops(stmt.location, target, *op, value, true)?;
let res_ty =
self.infer_bin_ops(stmt.location, target, Binop::aug_assign(*op), value)?;
self.unify(res_ty, target.custom.unwrap(), &stmt.location)?;
}
ast::StmtKind::Assert { test, msg, .. } => {
@ -573,7 +574,7 @@ impl<'a> Fold<()> for Inferencer<'a> {
}
ExprKind::BoolOp { values, .. } => Some(self.infer_bool_ops(values)?),
ExprKind::BinOp { left, op, right } => {
Some(self.infer_bin_ops(expr.location, left, *op, right, false)?)
Some(self.infer_bin_ops(expr.location, left, Binop::normal(*op), right)?)
}
ExprKind::UnaryOp { op, operand } => {
Some(self.infer_unary_ops(expr.location, *op, operand)?)
@ -1729,9 +1730,8 @@ impl<'a> Inferencer<'a> {
&mut self,
location: Location,
left: &ast::Expr<Option<Type>>,
op: ast::Operator,
op: Binop,
right: &ast::Expr<Option<Type>>,
is_aug_assign: bool,
) -> InferenceResult {
let left_ty = left.custom.unwrap();
let right_ty = right.custom.unwrap();
@ -1739,27 +1739,33 @@ impl<'a> Inferencer<'a> {
let method = if let TypeEnum::TObj { fields, .. } =
self.unifier.get_ty_immutable(left_ty).as_ref()
{
let (binop_name, binop_assign_name) =
(binop_name(op).into(), binop_assign_name(op).into());
let normal_method_name = Binop::normal(op.base).op_info().method_name;
let assign_method_name = Binop::aug_assign(op.base).op_info().method_name;
// if is aug_assign, try aug_assign operator first
if is_aug_assign && fields.contains_key(&binop_assign_name) {
binop_assign_name
if op.variant == BinopVariant::AugAssign
&& fields.contains_key(&assign_method_name.into())
{
assign_method_name
} else {
binop_name
normal_method_name
}
} else {
binop_name(op).into()
op.op_info().method_name
};
let ret = if is_aug_assign {
let ret = match op.variant {
BinopVariant::Normal => {
typeof_binop(self.unifier, self.primitives, op.base, left_ty, right_ty)
.map_err(|e| HashSet::from([format!("{e} (at {location})")]))?
}
BinopVariant::AugAssign => {
// The type of augmented assignment operator should never change
Some(left_ty)
} else {
typeof_binop(self.unifier, self.primitives, op, left_ty, right_ty)
.map_err(|e| HashSet::from([format!("{e} (at {location})")]))?
}
};
self.build_method_call(location, method, left_ty, vec![right_ty], ret)
self.build_method_call(location, method.into(), left_ty, vec![right_ty], ret)
}
fn infer_unary_ops(
@ -1768,7 +1774,7 @@ impl<'a> Inferencer<'a> {
op: ast::Unaryop,
operand: &ast::Expr<Option<Type>>,
) -> InferenceResult {
let method = unaryop_name(op).into();
let method = op.op_info().method_name.into();
let ret = typeof_unaryop(self.unifier, self.primitives, op, operand.custom.unwrap())
.map_err(|e| HashSet::from([format!("{e} (at {location})")]))?;
@ -1798,9 +1804,11 @@ impl<'a> Inferencer<'a> {
let mut res = None;
for (a, b, c) in izip!(once(left).chain(comparators), comparators, ops) {
let method = comparison_name(*c)
.ok_or_else(|| HashSet::from(["unsupported comparator".to_string()]))?
.into();
if !OpInfo::supports_cmpop(*c) {
return Err(HashSet::from(["unsupported comparator".to_string()]));
}
let method = c.op_info().method_name.into();
let ret = typeof_cmpop(
self.unifier,