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core: refactor to use RangeObject / Range

This commit is contained in:
lyken 2024-08-23 10:47:30 +08:00
parent 122f55e615
commit 2b29f7b0f5
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GPG Key ID: 3BD5FC6AC8325DD8
7 changed files with 86 additions and 67 deletions
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14
nac3artiq/src/codegen.rs
View File

@ -1,10 +1,10 @@
use nac3core::{
codegen::{
classes::{ListValue, RangeValue, UntypedArrayLikeAccessor},
expr::{destructure_range, gen_call},
classes::{ListValue, UntypedArrayLikeAccessor},
expr::gen_call,
llvm_intrinsics::{call_int_smax, call_stackrestore, call_stacksave},
model::*,
object::{any::AnyObject, ndarray::NDArrayObject},
object::{any::AnyObject, ndarray::NDArrayObject, range::RangeObject},
stmt::{gen_block, gen_for_callback_incrementing, gen_if_callback, gen_with},
CodeGenContext, CodeGenerator,
},
@ -1121,9 +1121,13 @@ fn polymorphic_print<'ctx>(
fmt.push_str("range(");
flush(ctx, generator, &mut fmt, &mut args);
let val = RangeValue::from_ptr_val(value.into_pointer_value(), None);
let range = AnyObject { ty, value };
let range = RangeObject::from_object(generator, ctx, range);
let (start, stop, step) = destructure_range(ctx, val);
let (start, stop, step) = range.instance.destructure(generator, ctx);
let start = start.value;
let stop = stop.value;
let step = step.value;
polymorphic_print(
ctx,

21
nac3core/src/codegen/builtin_fns.rs
View File

@ -3,10 +3,8 @@ use inkwell::values::{BasicValue, BasicValueEnum, IntValue};
use inkwell::{FloatPredicate, IntPredicate, OptimizationLevel};
use itertools::Itertools;
use crate::codegen::classes::RangeValue;
use crate::codegen::expr::destructure_range;
use crate::codegen::irrt::calculate_len_for_slice_range;
use crate::codegen::object::ndarray::{NDArrayOut, ScalarOrNDArray};
use crate::codegen::object::range::RangeObject;
use crate::codegen::{extern_fns, irrt, llvm_intrinsics, CodeGenContext, CodeGenerator};
use crate::toplevel::helper::PrimDef;
use crate::typecheck::typedef::{Type, TypeEnum};
@ -31,20 +29,20 @@ fn unsupported_type(ctx: &CodeGenContext<'_, '_>, fn_name: &str, tys: &[Type]) -
pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
n: (Type, BasicValueEnum<'ctx>),
(arg_ty, arg): (Type, BasicValueEnum<'ctx>),
) -> Result<IntValue<'ctx>, String> {
let (arg_ty, arg) = n;
Ok(if ctx.unifier.unioned(arg_ty, ctx.primitives.range) {
let arg = RangeValue::from_ptr_val(arg.into_pointer_value(), Some("range"));
let (start, end, step) = destructure_range(ctx, arg);
calculate_len_for_slice_range(generator, ctx, start, end, step)
} else {
let arg = AnyObject { ty: arg_ty, value: arg };
let len: Instance<'ctx, Int<Int32>> = match &*ctx.unifier.get_ty(arg_ty) {
TypeEnum::TTuple { .. } => {
let tuple = TupleObject::from_object(ctx, arg);
tuple.len(generator, ctx).truncate(generator, ctx, Int32)
}
TypeEnum::TObj { obj_id, .. }
if *obj_id == ctx.primitives.range.obj_id(&ctx.unifier).unwrap() =>
{
let range = RangeObject::from_object(generator, ctx, arg);
range.len(generator, ctx)
}
TypeEnum::TObj { obj_id, .. }
if *obj_id == ctx.primitives.ndarray.obj_id(&ctx.unifier).unwrap() =>
{
@ -59,8 +57,7 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
}
_ => unsupported_type(ctx, "len", &[arg_ty]),
};
len.value
})
Ok(len.value)
}
/// Invokes the `int32` builtin function.

25
nac3core/src/codegen/expr.rs
View File

@ -2,7 +2,7 @@ use crate::{
codegen::{
classes::{
ArrayLikeIndexer, ArrayLikeValue, ListType, ListValue, ProxyType, ProxyValue,
RangeValue, UntypedArrayLikeAccessor,
UntypedArrayLikeAccessor,
},
concrete_type::{ConcreteFuncArg, ConcreteTypeEnum, ConcreteTypeStore},
gen_in_range_check, get_llvm_abi_type, get_llvm_type, get_va_count_arg_name,
@ -49,6 +49,7 @@ use super::{
object::{
any::AnyObject,
ndarray::{indexing::util::gen_ndarray_subscript_ndindices, NDArrayObject},
range::RangeObject,
},
};
@ -1080,18 +1081,6 @@ pub fn gen_call<'ctx, G: CodeGenerator>(
Ok(ctx.build_call_or_invoke(fun_val, &param_vals, "call"))
}
/// Generates three LLVM variables representing the start, stop, and step values of a [range] class
/// respectively.
pub fn destructure_range<'ctx>(
ctx: &mut CodeGenContext<'ctx, '_>,
range: RangeValue<'ctx>,
) -> (IntValue<'ctx>, IntValue<'ctx>, IntValue<'ctx>) {
let start = range.load_start(ctx, None);
let end = range.load_end(ctx, None);
let step = range.load_step(ctx, None);
(start, end, step)
}
/// Allocates a List structure with the given [type][ty] and [length]. The name of the resulting
/// LLVM value is `{name}.addr`, or `list.addr` if [name] is not specified.
///
@ -1166,8 +1155,14 @@ pub fn gen_comprehension<'ctx, G: CodeGenerator>(
TypeEnum::TObj { obj_id, .. }
if *obj_id == ctx.primitives.range.obj_id(&ctx.unifier).unwrap() =>
{
let iter_val = RangeValue::from_ptr_val(iter_val.into_pointer_value(), Some("range"));
let (start, stop, step) = destructure_range(ctx, iter_val);
let range = AnyObject { value: iter_val, ty: iter_ty };
let range = RangeObject::from_object(generator, ctx, range);
let (start, stop, step) = range.instance.destructure(generator, ctx);
let start = start.value;
let stop = stop.value;
let step = step.value;
let diff = ctx.builder.build_int_sub(stop, start, "diff").unwrap();
// add 1 to the length as the value is rounded to zero
// the length may be 1 more than the actual length if the division is exact, but the

6
nac3core/src/codegen/mod.rs
View File

@ -1,5 +1,5 @@
use crate::{
codegen::classes::{ListType, ProxyType, RangeType},
codegen::classes::{ListType, ProxyType},
symbol_resolver::{StaticValue, SymbolResolver},
toplevel::{helper::PrimDef, TopLevelContext, TopLevelDef},
typecheck::{
@ -26,7 +26,7 @@ use inkwell::{
use itertools::Itertools;
use model::*;
use nac3parser::ast::{Location, Stmt, StrRef};
use object::ndarray::NDArray;
use object::{ndarray::NDArray, range::Range};
use parking_lot::{Condvar, Mutex};
use std::collections::{HashMap, HashSet};
use std::sync::{
@ -721,7 +721,7 @@ pub fn gen_func_impl<
Some(t) => t.as_basic_type_enum(),
}
}),
(primitives.range, RangeType::new(context).as_base_type().into()),
(primitives.range, Ptr(Range::<Int32>::default()).get_type(generator, context).into()),
(primitives.exception, {
let name = "Exception";
if let Some(t) = module.get_struct_type(name) {

13
nac3core/src/codegen/object/range.rs
View File

@ -20,6 +20,19 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Ptr<Range<N>>> {
pub fn step(&self, ctx: &CodeGenContext<'ctx, '_>) -> Instance<'ctx, Ptr<Int<N>>> {
self.gep_const(ctx, 2)
}
/// Convenience function to get the load the `(start, stop, step)` of this range.
#[allow(clippy::type_complexity)]
pub fn destructure<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &CodeGenContext<'ctx, '_>,
) -> (Instance<'ctx, Int<N>>, Instance<'ctx, Int<N>>, Instance<'ctx, Int<N>>) {
let start = self.start(ctx).load(generator, ctx);
let stop = self.stop(ctx).load(generator, ctx);
let step = self.step(ctx).load(generator, ctx);
(start, stop, step)
}
}
// TODO: `RangeObject` in the future will have range32, range64

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

@ -1,18 +1,18 @@
use super::{
super::symbol_resolver::ValueEnum,
expr::destructure_range,
irrt::{handle_slice_indices, list_slice_assignment},
object::{
any::AnyObject,
ndarray::{
indexing::util::gen_ndarray_subscript_ndindices, NDArrayObject, ScalarOrNDArray,
},
range::RangeObject,
},
CodeGenContext, CodeGenerator,
};
use crate::{
codegen::{
classes::{ArrayLikeIndexer, ArraySliceValue, ListValue, RangeValue},
classes::{ArrayLikeIndexer, ArraySliceValue, ListValue},
expr::gen_binop_expr,
gen_in_range_check,
},
@ -497,7 +497,14 @@ pub fn gen_for<G: CodeGenerator>(
TypeEnum::TObj { obj_id, .. }
if *obj_id == ctx.primitives.range.obj_id(&ctx.unifier).unwrap() =>
{
let iter_val = RangeValue::from_ptr_val(iter_val.into_pointer_value(), Some("range"));
let range = AnyObject { value: iter_val, ty: iter_ty };
let range = RangeObject::from_object(generator, ctx, range);
let (start, stop, step) = range.instance.destructure(generator, ctx);
let start = start.value;
let stop = stop.value;
let step = step.value;
// Internal variable for loop; Cannot be assigned
let i = generator.gen_var_alloc(ctx, int32.into(), Some("for.i.addr"))?;
// Variable declared in "target" expression of the loop; Can be reassigned *or* shadowed
@ -506,7 +513,6 @@ pub fn gen_for<G: CodeGenerator>(
else {
unreachable!()
};
let (start, stop, step) = destructure_range(ctx, iter_val);
ctx.builder.build_store(i, start).unwrap();

20
nac3core/src/toplevel/builtins.rs
View File

@ -15,12 +15,12 @@ use strum::IntoEnumIterator;
use crate::{
codegen::{
builtin_fns,
classes::{ProxyValue, RangeValue},
model::*,
numpy::*,
object::{
any::AnyObject,
ndarray::{shape_util::parse_numpy_int_sequence, NDArrayObject},
range::RangeObject,
},
stmt::exn_constructor,
},
@ -717,9 +717,10 @@ impl<'a> BuiltinBuilder<'a> {
codegen_callback: Some(Arc::new(GenCall::new(Box::new(
|ctx, obj, _, args, generator| {
let (zelf_ty, zelf) = obj.unwrap();
let zelf =
zelf.to_basic_value_enum(ctx, generator, zelf_ty)?.into_pointer_value();
let zelf = RangeValue::from_ptr_val(zelf, Some("range"));
let zelf = zelf.to_basic_value_enum(ctx, generator, zelf_ty)?;
let zelf = AnyObject { ty: zelf_ty, value: zelf };
let zelf = RangeObject::from_object(generator, ctx, zelf);
let mut start = None;
let mut stop = None;
@ -802,11 +803,14 @@ impl<'a> BuiltinBuilder<'a> {
});
let start = start.unwrap_or_else(|| int32.const_zero());
zelf.store_start(ctx, start);
zelf.store_end(ctx, stop);
zelf.store_step(ctx, step);
let start = Int(Int32).believe_value(start);
let stop = Int(Int32).believe_value(stop);
let step = Int(Int32).believe_value(step);
zelf.instance.start(ctx).store(ctx, start);
zelf.instance.stop(ctx).store(ctx, stop);
zelf.instance.step(ctx).store(ctx, step);
Ok(Some(zelf.as_base_value().into()))
Ok(Some(zelf.instance.value.as_basic_value_enum()))
},
)))),
loc: None,