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[dynamic; N]T proof of concept: fixed capacity dynamic array (akin to small_array.Small_Array(N, T))

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This commit is contained in:
gingerBill
2026-03-11 16:46:33 +00:00
parent 143a8762a0
commit f1dbe9c242
25 changed files with 677 additions and 61 deletions
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64
src/llvm_backend_debug.cpp
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@@ -409,6 +409,69 @@ gb_internal LLVMMetadataRef lb_debug_dynamic_array(lbModule *m, Type *type, Stri
return final_decl;
}
gb_internal LLVMMetadataRef lb_debug_fixed_capacity_dynamic_array(lbModule *m, Type *type, String name, LLVMMetadataRef scope, LLVMMetadataRef file, unsigned line) {
Type *bt = base_type(type);
GB_ASSERT(bt->kind == Type_FixedCapacityDynamicArray);
unsigned const int_bits = cast(unsigned)(8*build_context.int_size);
u64 size_in_bits = 8*type_size_of(bt);
u32 align_in_bits = 8*cast(u32)type_align_of(bt);
LLVMMetadataRef temp_forward_decl = LLVMDIBuilderCreateReplaceableCompositeType(
m->debug_builder, DW_TAG_structure_type,
cast(char const *)name.text, cast(size_t)name.len,
scope, file, line, 0, size_in_bits, align_in_bits, LLVMDIFlagZero, "", 0
);
lb_set_llvm_metadata(m, type, temp_forward_decl);
unsigned element_count = 2;
LLVMMetadataRef elements[2];
// LLVMMetadataRef member_scope = lb_get_llvm_metadata(m, bt->DynamicArray.scope);
LLVMMetadataRef member_scope = nullptr;
Type *elem_type = alloc_type_array(bt->FixedCapacityDynamicArray.elem, bt->FixedCapacityDynamicArray.capacity);
elements[0] = LLVMDIBuilderCreateMemberType(
m->debug_builder, member_scope,
"data", 4,
file, line,
8*cast(u64)type_size_of(elem_type), 8*cast(u32)type_align_of(elem_type),
0,
LLVMDIFlagZero, lb_debug_type(m, elem_type)
);
i64 len_offset = type_offset_of(bt, 1);
elements[1] = LLVMDIBuilderCreateMemberType(
m->debug_builder, member_scope,
"len", 3,
file, line,
int_bits, int_bits,
len_offset,
LLVMDIFlagZero, lb_debug_type(m, t_int)
);
LLVMMetadataRef final_decl = LLVMDIBuilderCreateStructType(
m->debug_builder, scope,
cast(char const *)name.text, cast(size_t)name.len,
file, line,
size_in_bits, align_in_bits,
LLVMDIFlagZero,
nullptr,
elements, element_count,
0,
nullptr,
"", 0
);
LLVMMetadataReplaceAllUsesWith(temp_forward_decl, final_decl);
lb_set_llvm_metadata(m, type, final_decl);
return final_decl;
}
gb_internal LLVMMetadataRef lb_debug_union(lbModule *m, Type *type, String name, LLVMMetadataRef scope, LLVMMetadataRef file, unsigned line) {
Type *bt = base_type(type);
GB_ASSERT(bt->kind == Type_Union);
@@ -899,6 +962,7 @@ gb_internal LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
case Type_BitSet: return lb_debug_bitset( m, type, type_to_canonical_string(temporary_allocator(), type), nullptr, nullptr, 0);
case Type_Enum: return lb_debug_enum( m, type, type_to_canonical_string(temporary_allocator(), type), nullptr, nullptr, 0);
case Type_BitField: return lb_debug_bitfield( m, type, type_to_canonical_string(temporary_allocator(), type), nullptr, nullptr, 0);
case Type_FixedCapacityDynamicArray: return lb_debug_fixed_capacity_dynamic_array(m, type, type_to_canonical_string(temporary_allocator(), type), nullptr, nullptr, 0);
case Type_Tuple:
if (type->Tuple.variables.count == 1) {