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trait bound everything

This commit is contained in:
lyken 2024-08-28 12:51:55 +08:00
parent 0c73eecc19
commit 44ee84b1d0
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GPG Key ID: 3BD5FC6AC8325DD8
6 changed files with 148 additions and 100 deletions
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23
nac3core/src/codegen/model/array.rs
View File

@ -1,4 +1,4 @@
use std::fmt;
use std::{fmt, marker::PhantomData};
use inkwell::{
context::Context,
@ -39,14 +39,21 @@ impl ArrayLen for AnyLen {
///
/// `Len` should be of a [`LenKind`] and `Item` should be a of [`Model`].
#[derive(Debug, Clone, Copy, Default)]
pub struct Array<Len, Item> {
pub struct Array<'ctx, Len: ArrayLen, Item: ModelBase<'ctx>> {
/// Length of this array.
pub len: Len,
/// [`Model`] of the array items.
pub item: Item,
pub _phantom: PhantomData<&'ctx ()>,
}
impl<'ctx, Len: ArrayLen, Item: ModelBase<'ctx>> ModelBase<'ctx> for Array<Len, Item> {
impl<'ctx, Len: ArrayLen, Item: ModelBase<'ctx>> Array<'ctx, Len, Item> {
pub fn new(len: Len, item: Item) -> Self {
Array { len, item, _phantom: PhantomData }
}
}
impl<'ctx, Len: ArrayLen, Item: ModelBase<'ctx>> ModelBase<'ctx> for Array<'ctx, Len, Item> {
fn llvm_type_impl(&self, size_t: IntType<'ctx>, ctx: &'ctx Context) -> BasicTypeEnum<'ctx> {
let item = self.item.llvm_type_impl(size_t, ctx);
item.array_type(self.len.length()).into()
@ -78,12 +85,12 @@ impl<'ctx, Len: ArrayLen, Item: ModelBase<'ctx>> ModelBase<'ctx> for Array<Len,
}
}
impl<'ctx, Len: ArrayLen, Item: Model<'ctx>> Model<'ctx> for Array<Len, Item> {
impl<'ctx, Len: ArrayLen, Item: Model<'ctx>> Model<'ctx> for Array<'ctx, Len, Item> {
type Type = ArrayType<'ctx>;
type Value = ArrayValue<'ctx>;
}
impl<'ctx, Len: ArrayLen, Item: Model<'ctx>> Instance<'ctx, Ptr<Array<Len, Item>>> {
impl<'ctx, Len: ArrayLen, Item: Model<'ctx>> Instance<'ctx, Ptr<Array<'ctx, Len, Item>>> {
/// Get the pointer to the `i`-th (0-based) array element.
pub fn gep(
&self,
@ -93,15 +100,15 @@ impl<'ctx, Len: ArrayLen, Item: Model<'ctx>> Instance<'ctx, Ptr<Array<Len, Item>
let zero = ctx.ctx.i64_type().const_zero();
let ptr = unsafe { ctx.builder.build_in_bounds_gep(self.value, &[zero, i], "").unwrap() };
unsafe { Ptr(self.model.0.item).believe_value(ptr) }
unsafe { Ptr::new(self.model.item.item).believe_value(ptr) }
}
/// Like `gep` but `i` is a constant.
pub fn gep_const(&self, ctx: &CodeGenContext<'ctx, '_>, i: u64) -> Instance<'ctx, Ptr<Item>> {
assert!(
i < u64::from(self.model.0.len.length()),
i < u64::from(self.model.item.len.length()),
"Index {i} is out of bounds. Array length = {}",
self.model.0.len.length()
self.model.item.len.length()
);
let i = ctx.ctx.i64_type().const_int(i, true);

15
nac3core/src/codegen/model/core.rs
View File

@ -154,7 +154,7 @@ pub trait Model<'ctx>: fmt::Debug + Clone + Copy + ModelBase<'ctx> {
ctx: &CodeGenContext<'ctx, '_>,
) -> Instance<'ctx, Ptr<Self>> {
let p = ctx.builder.build_alloca(self.llvm_type(generator, ctx.ctx), "").unwrap();
unsafe { Ptr(*self).believe_value(p) }
unsafe { Ptr::new(*self).believe_value(p) }
}
// Allocate an array on the stack and return its pointer.
@ -166,7 +166,7 @@ pub trait Model<'ctx>: fmt::Debug + Clone + Copy + ModelBase<'ctx> {
) -> Instance<'ctx, Ptr<Self>> {
let p =
ctx.builder.build_array_alloca(self.llvm_type(generator, ctx.ctx), len, "").unwrap();
unsafe { Ptr(*self).believe_value(p) }
unsafe { Ptr::new(*self).believe_value(p) }
}
fn var_alloca<G: CodeGenerator + ?Sized>(
@ -177,7 +177,7 @@ pub trait Model<'ctx>: fmt::Debug + Clone + Copy + ModelBase<'ctx> {
) -> Result<Instance<'ctx, Ptr<Self>>, String> {
let ty = self.llvm_type(generator, ctx.ctx).as_basic_type_enum();
let p = generator.gen_var_alloc(ctx, ty, name)?;
Ok(unsafe { Ptr(*self).believe_value(p) })
Ok(unsafe { Ptr::new(*self).believe_value(p) })
}
fn array_var_alloca<G: CodeGenerator + ?Sized>(
@ -190,7 +190,7 @@ pub trait Model<'ctx>: fmt::Debug + Clone + Copy + ModelBase<'ctx> {
// TODO: Remove ArraySliceValue
let ty = self.llvm_type(generator, ctx.ctx).as_basic_type_enum();
let p = generator.gen_array_var_alloc(ctx, ty, len, name)?;
Ok(unsafe { Ptr(*self).believe_value(PointerValue::from(p)) })
Ok(unsafe { Ptr::new(*self).believe_value(PointerValue::from(p)) })
}
/// Allocate a constant array.
@ -199,7 +199,7 @@ pub trait Model<'ctx>: fmt::Debug + Clone + Copy + ModelBase<'ctx> {
generator: &mut G,
ctx: &'ctx Context,
values: &[Instance<'ctx, Self>],
) -> Instance<'ctx, Array<AnyLen, Self>> {
) -> Instance<'ctx, Array<'ctx, AnyLen, Self>> {
macro_rules! make {
($t:expr, $into_value:expr) => {
$t.const_array(
@ -220,9 +220,8 @@ pub trait Model<'ctx>: fmt::Debug + Clone + Copy + ModelBase<'ctx> {
BasicTypeEnum::VectorType(t) => make!(t, BasicValueEnum::into_vector_value),
};
Array { len: AnyLen(values.len() as u32), item: *self }
.check_value(generator, ctx, value)
.unwrap()
let model = Array::new(AnyLen(values.len() as u32), *self);
model.check_value(generator, ctx, value).unwrap()
}
}

21
nac3core/src/codegen/model/float.rs
View File

@ -1,4 +1,4 @@
use std::fmt;
use std::{fmt, marker::PhantomData};
use inkwell::{
context::Context,
@ -39,11 +39,20 @@ impl<'ctx> FloatKind<'ctx> for AnyFloat<'ctx> {
}
#[derive(Debug, Clone, Copy, Default)]
pub struct Float<N>(pub N);
pub struct Float<'ctx, N: FloatKind<'ctx>> {
kind: N,
_phantom: PhantomData<&'ctx ()>,
}
impl<'ctx, N: FloatKind<'ctx>> ModelBase<'ctx> for Float<N> {
impl<'ctx, N: FloatKind<'ctx>> Float<'ctx, N> {
pub fn new(kind: N) -> Self {
Float { kind, _phantom: PhantomData }
}
}
impl<'ctx, N: FloatKind<'ctx>> ModelBase<'ctx> for Float<'ctx, N> {
fn llvm_type_impl(&self, _size_t: IntType<'ctx>, ctx: &'ctx Context) -> BasicTypeEnum<'ctx> {
self.0.get_float_type(ctx).into()
self.kind.get_float_type(ctx).into()
}
fn check_type_impl(
@ -56,7 +65,7 @@ impl<'ctx, N: FloatKind<'ctx>> ModelBase<'ctx> for Float<N> {
return Err(ModelError(format!("Expecting FloatType, but got {ty:?}")));
};
let expected_ty = self.0.get_float_type(ctx);
let expected_ty = self.kind.get_float_type(ctx);
if ty != expected_ty {
return Err(ModelError(format!("Expecting {expected_ty:?}, but got {ty:?}")));
}
@ -65,7 +74,7 @@ impl<'ctx, N: FloatKind<'ctx>> ModelBase<'ctx> for Float<N> {
}
}
impl<'ctx, N: FloatKind<'ctx>> Model<'ctx> for Float<N> {
impl<'ctx, N: FloatKind<'ctx>> Model<'ctx> for Float<'ctx, N> {
type Value = FloatValue<'ctx>;
type Type = FloatType<'ctx>;
}

90
nac3core/src/codegen/model/int.rs
View File

@ -1,4 +1,4 @@
use std::{cmp::Ordering, fmt};
use std::{cmp::Ordering, fmt, marker::PhantomData};
use inkwell::{
context::Context,
@ -66,11 +66,14 @@ impl<'ctx> IntKind<'ctx> for AnyInt<'ctx> {
}
#[derive(Debug, Clone, Copy, Default)]
pub struct Int<N>(pub N);
pub struct Int<'ctx, N: IntKind<'ctx>> {
kind: N,
_phantom: PhantomData<&'ctx ()>,
}
impl<'ctx, N: IntKind<'ctx>> ModelBase<'ctx> for Int<N> {
impl<'ctx, N: IntKind<'ctx>> ModelBase<'ctx> for Int<'ctx, N> {
fn llvm_type_impl(&self, size_t: IntType<'ctx>, ctx: &'ctx Context) -> BasicTypeEnum<'ctx> {
self.0.get_int_type(size_t, ctx).into()
self.kind.get_int_type(size_t, ctx).into()
}
fn check_type_impl(
@ -83,7 +86,7 @@ impl<'ctx, N: IntKind<'ctx>> ModelBase<'ctx> for Int<N> {
return Err(ModelError(format!("Expecting IntType, but got {ty:?}")));
};
let exp_ty = self.0.get_int_type(size_t, ctx);
let exp_ty = self.kind.get_int_type(size_t, ctx);
if ty.get_bit_width() != exp_ty.get_bit_width() {
return Err(ModelError(format!(
"Expecting IntType to have {} bit(s), but got {} bit(s)",
@ -96,12 +99,16 @@ impl<'ctx, N: IntKind<'ctx>> ModelBase<'ctx> for Int<N> {
}
}
impl<'ctx, N: IntKind<'ctx>> Model<'ctx> for Int<N> {
impl<'ctx, N: IntKind<'ctx>> Model<'ctx> for Int<'ctx, N> {
type Type = IntType<'ctx>;
type Value = IntValue<'ctx>;
}
impl<'ctx, N: IntKind<'ctx>> Int<N> {
impl<'ctx, N: IntKind<'ctx>> Int<'ctx, N> {
pub fn new(kind: N) -> Self {
Int { kind, _phantom: PhantomData }
}
pub fn const_int<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
@ -146,7 +153,10 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
assert!(
value.get_type().get_bit_width()
<= self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
<= self
.kind
.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx)
.get_bit_width()
);
let value = ctx
.builder
@ -163,7 +173,7 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
assert!(
value.get_type().get_bit_width()
< self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
< self.kind.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
);
let value =
ctx.builder.build_int_s_extend(value, self.llvm_type(generator, ctx.ctx), "").unwrap();
@ -178,7 +188,10 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
assert!(
value.get_type().get_bit_width()
<= self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
<= self
.kind
.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx)
.get_bit_width()
);
let value = ctx
.builder
@ -195,7 +208,7 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
assert!(
value.get_type().get_bit_width()
< self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
< self.kind.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
);
let value =
ctx.builder.build_int_z_extend(value, self.llvm_type(generator, ctx.ctx), "").unwrap();
@ -210,7 +223,10 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
assert!(
value.get_type().get_bit_width()
>= self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
>= self
.kind
.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx)
.get_bit_width()
);
let value = ctx
.builder
@ -227,7 +243,7 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
assert!(
value.get_type().get_bit_width()
> self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
> self.kind.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width()
);
let value =
ctx.builder.build_int_truncate(value, self.llvm_type(generator, ctx.ctx), "").unwrap();
@ -243,7 +259,7 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
let their_width = value.get_type().get_bit_width();
let our_width =
self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width();
self.kind.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width();
match their_width.cmp(&our_width) {
Ordering::Less => self.s_extend(generator, ctx, value),
Ordering::Equal => unsafe { self.believe_value(value) },
@ -260,7 +276,7 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
) -> Instance<'ctx, Self> {
let their_width = value.get_type().get_bit_width();
let our_width =
self.0.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width();
self.kind.get_int_type(generator.get_size_type(ctx.ctx), ctx.ctx).get_bit_width();
match their_width.cmp(&our_width) {
Ordering::Less => self.z_extend(generator, ctx, value),
Ordering::Equal => unsafe { self.believe_value(value) },
@ -269,9 +285,9 @@ impl<'ctx, N: IntKind<'ctx>> Int<N> {
}
}
impl Int<Bool> {
impl<'ctx> Int<'ctx, Bool> {
#[must_use]
pub fn const_false<'ctx, G: CodeGenerator + ?Sized>(
pub fn const_false<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &'ctx Context,
@ -280,7 +296,7 @@ impl Int<Bool> {
}
#[must_use]
pub fn const_true<'ctx, G: CodeGenerator + ?Sized>(
pub fn const_true<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &'ctx Context,
@ -289,14 +305,14 @@ impl Int<Bool> {
}
}
impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<'ctx, N>> {
pub fn s_extend_or_bit_cast<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).s_extend_or_bit_cast(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).s_extend_or_bit_cast(generator, ctx, self.value)
}
pub fn s_extend<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -304,8 +320,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).s_extend(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).s_extend(generator, ctx, self.value)
}
pub fn z_extend_or_bit_cast<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -313,8 +329,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).z_extend_or_bit_cast(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).z_extend_or_bit_cast(generator, ctx, self.value)
}
pub fn z_extend<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -322,8 +338,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).z_extend(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).z_extend(generator, ctx, self.value)
}
pub fn truncate_or_bit_cast<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -331,8 +347,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).truncate_or_bit_cast(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).truncate_or_bit_cast(generator, ctx, self.value)
}
pub fn truncate<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -340,8 +356,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).truncate(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).truncate(generator, ctx, self.value)
}
pub fn s_extend_or_truncate<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -349,8 +365,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).s_extend_or_truncate(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).s_extend_or_truncate(generator, ctx, self.value)
}
pub fn z_extend_or_truncate<NewN: IntKind<'ctx>, G: CodeGenerator + ?Sized>(
@ -358,8 +374,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
to_int_kind: NewN,
) -> Instance<'ctx, Int<NewN>> {
Int(to_int_kind).z_extend_or_truncate(generator, ctx, self.value)
) -> Instance<'ctx, Int<'ctx, NewN>> {
Int::new(to_int_kind).z_extend_or_truncate(generator, ctx, self.value)
}
#[must_use]
@ -385,8 +401,8 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Int<N>> {
ctx: &CodeGenContext<'ctx, '_>,
op: IntPredicate,
other: Self,
) -> Instance<'ctx, Int<Bool>> {
) -> Instance<'ctx, Int<'ctx, Bool>> {
let value = ctx.builder.build_int_compare(op, self.value, other.value, "").unwrap();
unsafe { Int(Bool).believe_value(value) }
unsafe { Int::new(Bool).believe_value(value) }
}
}

32
nac3core/src/codegen/model/ptr.rs
View File

@ -15,14 +15,24 @@ use super::*;
///
// TODO: LLVM 15: `Item` is a Rust type-hint for the LLVM type of value the `.store()/.load()` family
// of functions return. If a truly opaque pointer is needed, tell the programmer to use `OpaquePtr`.
//
// NOTE: Do not put `Item: ModelBase<'ctx>`. See the LLVM 15 note above.
#[derive(Debug, Clone, Copy, Default)]
pub struct Ptr<Item>(pub Item);
pub struct Ptr<Item> {
pub item: Item,
}
/// An opaque pointer. Like [`Ptr`] but without any Rust type-hints about its element type.
///
/// `.load()/.store()` is not available for [`Instance`]s of opaque pointers.
pub type OpaquePtr = Ptr<()>;
impl<Item> Ptr<Item> {
pub fn new(item: Item) -> Self {
Ptr { item }
}
}
// TODO: LLVM 15: `Item: ModelBase<'ctx>` don't even need to be a model anymore. It will only be
// a type-hint for the `.load()/.store()` functions for the `pointee_ty`.
//
@ -30,7 +40,7 @@ pub type OpaquePtr = Ptr<()>;
impl<'ctx, Item: ModelBase<'ctx>> ModelBase<'ctx> for Ptr<Item> {
fn llvm_type_impl(&self, size_t: IntType<'ctx>, ctx: &'ctx Context) -> BasicTypeEnum<'ctx> {
// TODO: LLVM 15: ctx.ptr_type(AddressSpace::default())
let item = self.0.llvm_type_impl(size_t, ctx);
let item = self.item.llvm_type_impl(size_t, ctx);
item.ptr_type(AddressSpace::default()).into()
}
@ -53,7 +63,7 @@ impl<'ctx, Item: ModelBase<'ctx>> ModelBase<'ctx> for Ptr<Item> {
// TODO: inkwell `get_element_type()` will be deprecated.
// Remove the check for `get_element_type()` when the time comes.
self.0
self.item
.check_type_impl(size_t, ctx, elem_ty)
.map_err(|err| err.under_context("a PointerType"))?;
@ -162,7 +172,7 @@ impl<'ctx, Item: Model<'ctx>> Instance<'ctx, Ptr<Item>> {
ctx: &CodeGenContext<'ctx, '_>,
) -> Instance<'ctx, Item> {
let value = ctx.builder.build_load(self.value, "").unwrap();
self.model.0.check_value(generator, ctx.ctx, value).unwrap() // If unwrap() panics, there is a logic error.
self.model.item.check_value(generator, ctx.ctx, value).unwrap() // If unwrap() panics, there is a logic error.
}
/// Store a value with [`inkwell::builder::Builder::build_store`].
@ -178,19 +188,19 @@ impl<'ctx, Item: Model<'ctx>> Instance<'ctx, Ptr<Item>> {
new_item: NewItem,
) -> Instance<'ctx, Ptr<NewItem>> {
// TODO: LLVM 15: Write in an impl where `Item` does not have to be `Model<'ctx>`.
Ptr(new_item).pointer_cast(generator, ctx, self.value)
Ptr::new(new_item).pointer_cast(generator, ctx, self.value)
}
/// Check if the pointer is null with [`inkwell::builder::Builder::build_is_null`].
pub fn is_null(&self, ctx: &CodeGenContext<'ctx, '_>) -> Instance<'ctx, Int<Bool>> {
pub fn is_null(&self, ctx: &CodeGenContext<'ctx, '_>) -> Instance<'ctx, Int<'ctx, Bool>> {
let value = ctx.builder.build_is_null(self.value, "").unwrap();
unsafe { Int(Bool).believe_value(value) }
unsafe { Int::new(Bool).believe_value(value) }
}
/// Check if the pointer is not null with [`inkwell::builder::Builder::build_is_not_null`].
pub fn is_not_null(&self, ctx: &CodeGenContext<'ctx, '_>) -> Instance<'ctx, Int<Bool>> {
pub fn is_not_null(&self, ctx: &CodeGenContext<'ctx, '_>) -> Instance<'ctx, Int<'ctx, Bool>> {
let value = ctx.builder.build_is_not_null(self.value, "").unwrap();
unsafe { Int(Bool).believe_value(value) }
unsafe { Int::new(Bool).believe_value(value) }
}
/// `memcpy` from another pointer.
@ -203,8 +213,8 @@ impl<'ctx, Item: Model<'ctx>> Instance<'ctx, Ptr<Item>> {
) {
// Force extend `num_items` and `itemsize` to `i64` so their types would match.
let itemsize = self.model.size_of(generator, ctx.ctx);
let itemsize = Int(Int64).z_extend_or_truncate(generator, ctx, itemsize);
let num_items = Int(Int64).z_extend_or_truncate(generator, ctx, num_items);
let itemsize = Int::new(Int64).z_extend_or_truncate(generator, ctx, itemsize);
let num_items = Int::new(Int64).z_extend_or_truncate(generator, ctx, num_items);
let totalsize = itemsize.mul(ctx, num_items);
let is_volatile = ctx.ctx.bool_type().const_zero(); // is_volatile = false

67
nac3core/src/codegen/model/structure.rs
View File

@ -79,23 +79,14 @@ pub trait StructKind<'ctx>: fmt::Debug + Clone + Copy {
}
#[derive(Debug, Clone, Copy, Default)]
pub struct Struct<S>(pub S);
impl<'ctx, S: StructKind<'ctx>> Struct<S> {
pub fn const_struct<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &'ctx Context,
fields: &[BasicValueEnum<'ctx>],
) -> Instance<'ctx, Self> {
let val = ctx.const_struct(fields, false);
self.check_value(generator, ctx, val).unwrap()
}
pub struct Struct<'ctx, S: StructKind<'ctx>> {
pub kind: S,
_phantom: PhantomData<&'ctx ()>,
}
impl<'ctx, S: StructKind<'ctx>> ModelBase<'ctx> for Struct<S> {
impl<'ctx, S: StructKind<'ctx>> ModelBase<'ctx> for Struct<'ctx, S> {
fn llvm_type_impl(&self, size_t: IntType<'ctx>, ctx: &'ctx Context) -> BasicTypeEnum<'ctx> {
self.0.get_struct_type(size_t, ctx).as_basic_type_enum()
self.kind.get_struct_type(size_t, ctx).as_basic_type_enum()
}
fn check_type_impl(
@ -108,7 +99,7 @@ impl<'ctx, S: StructKind<'ctx>> ModelBase<'ctx> for Struct<S> {
return Err(ModelError(format!("Expecting StructType, but got {ty:?}")));
};
let entries = self.0.entries();
let entries = self.kind.entries();
let field_types = ty.get_field_types();
// Check the number of fields.
@ -132,12 +123,28 @@ impl<'ctx, S: StructKind<'ctx>> ModelBase<'ctx> for Struct<S> {
}
}
impl<'ctx, S: StructKind<'ctx>> Model<'ctx> for Struct<S> {
impl<'ctx, S: StructKind<'ctx>> Model<'ctx> for Struct<'ctx, S> {
type Type = StructType<'ctx>;
type Value = StructValue<'ctx>;
}
impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Struct<S>> {
impl<'ctx, S: StructKind<'ctx>> Struct<'ctx, S> {
pub fn new(kind: S) -> Self {
Struct { kind, _phantom: PhantomData }
}
pub fn const_struct<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &'ctx Context,
fields: &[BasicValueEnum<'ctx>],
) -> Instance<'ctx, Self> {
let val = ctx.const_struct(fields, false);
self.check_value(generator, ctx, val).unwrap()
}
}
impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Struct<'ctx, S>> {
/// Get a field with [`StructValue::get_field_at_index`].
pub fn get_field<G: CodeGenerator + ?Sized, M, GetField>(
&self,
@ -149,13 +156,13 @@ impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Struct<S>> {
M: Model<'ctx>,
GetField: FnOnce(S::Fields) -> Field<M>,
{
let field = get_field(self.model.0.fields());
let field = get_field(self.model.kind.fields());
let val = self.value.get_field_at_index(field.gep_index).unwrap();
field.model.check_value(generator, ctx, val).unwrap()
}
}
impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Ptr<Struct<S>>> {
impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Ptr<Struct<'ctx, S>>> {
/// Get a pointer to a field with [`Builder::build_in_bounds_gep`].
pub fn gep<M, GetField>(
&self,
@ -166,7 +173,7 @@ impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Ptr<Struct<S>>> {
M: Model<'ctx>,
GetField: FnOnce(S::Fields) -> Field<M>,
{
let field = get_field(self.model.0 .0.fields());
let field = get_field(self.model.item.kind.fields());
let llvm_i32 = ctx.ctx.i32_type();
let ptr = unsafe {
@ -179,7 +186,7 @@ impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Ptr<Struct<S>>> {
.unwrap()
};
unsafe { Ptr(field.model).believe_value(ptr) }
unsafe { Ptr::new(field.model).believe_value(ptr) }
}
/// Convenience function equivalent to `.gep(...).load(...)`.
@ -215,19 +222,19 @@ impl<'ctx, S: StructKind<'ctx>> Instance<'ctx, Ptr<Struct<S>>> {
// Example: NDArray.
//
// Compared to List, it has no generic models.
pub struct NDArrayFields {
data: Field<Ptr<Int<Byte>>>,
itemsize: Field<Int<SizeT>>,
ndims: Field<Int<SizeT>>,
shape: Field<Ptr<Int<SizeT>>>,
strides: Field<Ptr<Int<SizeT>>>,
pub struct NDArrayFields<'ctx> {
data: Field<Ptr<Int<'ctx, Byte>>>,
itemsize: Field<Int<'ctx, SizeT>>,
ndims: Field<Int<'ctx, SizeT>>,
shape: Field<Ptr<Int<'ctx, SizeT>>>,
strides: Field<Ptr<Int<'ctx, SizeT>>>,
}
#[derive(Debug, Clone, Copy, Default)]
struct NDArray;
impl<'ctx> StructKind<'ctx> for NDArray {
type Fields = NDArrayFields;
type Fields = NDArrayFields<'ctx>;
fn iter_fields(&self, mapper: &mut FieldMapper<'ctx>) -> Self::Fields {
NDArrayFields {
@ -245,7 +252,7 @@ impl<'ctx> StructKind<'ctx> for NDArray {
// Compared to NDArray, it has generic models.
pub struct ListFields<'ctx, Item: Model<'ctx>> {
items: Field<Ptr<Item>>,
len: Field<Int<SizeT>>,
len: Field<Int<'ctx, SizeT>>,
_phantom: PhantomData<&'ctx ()>,
}
@ -260,7 +267,7 @@ impl<'ctx, Item: Model<'ctx> + 'ctx> StructKind<'ctx> for List<'ctx, Item> {
fn iter_fields(&self, mapper: &mut FieldMapper<'ctx>) -> Self::Fields {
ListFields {
items: mapper.add("items", Ptr(self.item)),
items: mapper.add("items", Ptr::new(self.item)),
len: mapper.add_auto("len"),
_phantom: PhantomData,
}