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core/toplevel/builtins: Add support for len() on tuples

This commit is contained in:
David Mak 2024-07-16 19:17:22 +08:00
parent d764fe46a1
commit 8ec8e332fd
1 changed files with 6 additions and 14 deletions
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20
nac3core/src/codegen/builtin_fns.rs
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@ -32,6 +32,7 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
ctx: &mut CodeGenContext<'ctx, '_>,
n: (Type, BasicValueEnum<'ctx>),
) -> Result<IntValue<'ctx>, String> {
let llvm_i32 = ctx.ctx.i32_type();
let range_ty = ctx.primitives.range;
let (arg_ty, arg) = n;
@ -41,24 +42,19 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
calculate_len_for_slice_range(generator, ctx, start, end, step)
} else {
match &*ctx.unifier.get_ty_immutable(arg_ty) {
TypeEnum::TTuple { ty, .. } => llvm_i32.const_int(ty.len() as u64, false),
TypeEnum::TObj { obj_id, .. } if *obj_id == PrimDef::List.id() => {
let int32 = ctx.ctx.i32_type();
let zero = int32.const_zero();
let zero = llvm_i32.const_zero();
let len = ctx
.build_gep_and_load(
arg.into_pointer_value(),
&[zero, int32.const_int(1, false)],
&[zero, llvm_i32.const_int(1, false)],
None,
)
.into_int_value();
if len.get_type().get_bit_width() == 32 {
len
} else {
ctx.builder.build_int_truncate(len, int32, "len2i32").unwrap()
}
ctx.builder.build_int_truncate_or_bit_cast(len, llvm_i32, "len").unwrap()
}
TypeEnum::TObj { obj_id, .. } if *obj_id == PrimDef::NDArray.id() => {
let llvm_i32 = ctx.ctx.i32_type();
let llvm_usize = generator.get_size_type(ctx.ctx);
let arg = NDArrayValue::from_ptr_val(arg.into_pointer_value(), llvm_usize, None);
@ -84,11 +80,7 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
)
};
if len.get_type().get_bit_width() == 32 {
len
} else {
ctx.builder.build_int_truncate(len, llvm_i32, "len").unwrap()
}
ctx.builder.build_int_truncate_or_bit_cast(len, llvm_i32, "len").unwrap()
}
_ => unreachable!(),
}