forked from M-Labs/nac3
core/object: add RangeObject & RangeObject::len
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c0cace843d
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122f55e615
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@ -209,3 +209,16 @@ template <typename T> struct Slice
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}
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};
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} // namespace
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extern "C"
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{
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int32_t __nac3_range_len_i32(int32_t start, int32_t stop, int32_t step)
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{
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range::len<int32_t>(start, stop, step);
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}
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int32_t __nac3_range_len_i3264(int32_t start, int32_t stop, int32_t step)
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{
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range::len<int64_t>(start, stop, step);
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}
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}
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@ -609,6 +609,21 @@ pub fn setup_irrt_exceptions<'ctx>(
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}
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}
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pub fn call_nac3_range_len_i32<'ctx, G: CodeGenerator + ?Sized>(
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generator: &mut G,
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ctx: &mut CodeGenContext<'ctx, '_>,
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start: Instance<'ctx, Int<Int32>>,
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stop: Instance<'ctx, Int<Int32>>,
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step: Instance<'ctx, Int<Int32>>,
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) -> Instance<'ctx, Int<Int32>> {
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let name = get_sizet_dependent_function_name(generator, ctx, "__nac3_range_len_i32");
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CallFunction::begin(generator, ctx, &name)
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.arg(start)
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.arg(stop)
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.arg(step)
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.returning_auto("range_len")
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}
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pub fn call_nac3_ndarray_util_assert_shape_no_negative<'ctx, G: CodeGenerator + ?Sized>(
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generator: &mut G,
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ctx: &mut CodeGenContext<'ctx, '_>,
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@ -1,4 +1,5 @@
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pub mod any;
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pub mod list;
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pub mod ndarray;
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pub mod range;
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pub mod tuple;
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@ -22,10 +22,12 @@ impl<'ctx, N: IntKind<'ctx>> Instance<'ctx, Ptr<Range<N>>> {
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}
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}
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// TODO: `RangeObject` in the future will have range32, range64
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/// A NAC3 Python range object.
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#[derive(Debug, Clone, Copy)]
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pub struct RangeObject<'ctx> {
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pub instance: Instance<'ctx, Ptr<Range<Int32>>>, // TODO: Ptr<Range<AnyInt>> in the future when there is range32, range64
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pub instance: Instance<'ctx, Ptr<Range<Int32>>>,
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}
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impl<'ctx> RangeObject<'ctx> {
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@ -35,17 +37,12 @@ impl<'ctx> RangeObject<'ctx> {
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ctx: &mut CodeGenContext<'ctx, '_>,
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object: AnyObject<'ctx>,
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) -> RangeObject<'ctx> {
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assert!(RangeObject::is_instance(ctx, object));
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assert!(ctx.unifier.unioned(object.ty, ctx.primitives.range));
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let instance = Ptr(Range::default()).check_value(generator, ctx.ctx, object.value).unwrap();
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RangeObject { instance }
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}
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/// Check if an object can be converted into a range.
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pub fn is_instance(ctx: &mut CodeGenContext<'ctx, '_>, object: AnyObject<'ctx>) -> bool {
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ctx.unifier.unioned(object.ty, ctx.primitives.range)
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}
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/// Get the `len()` of this range.
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pub fn len<G: CodeGenerator + ?Sized>(
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&self,
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