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Merge pull request #5064 from harold-b/hb/objc-classes

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Add support for Objective-C class implementation
This commit is contained in:
gingerBill
2025-05-08 12:58:33 +01:00
committed by GitHub
parent 4a709086a4 14e25c0f2a
commit 92df892f25
15 changed files with 1186 additions and 89 deletions
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24
src/llvm_backend_expr.cpp
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@@ -5154,8 +5154,6 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
return lb_build_addr(p, unparen_expr(se->selector));
}
Type *type = base_type(tav.type);
if (tav.mode == Addressing_Type) { // Addressing_Type
Selection sel = lookup_field(tav.type, selector, true);
if (sel.pseudo_field) {
@@ -5190,18 +5188,29 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
return lb_addr_swizzle(a, type, swizzle_count, swizzle_indices);
}
Selection sel = lookup_field(type, selector, false);
Selection sel = lookup_field(tav.type, selector, false);
GB_ASSERT(sel.entity != nullptr);
if (sel.pseudo_field) {
GB_ASSERT(sel.entity->kind == Entity_Procedure || sel.entity->kind == Entity_ProcGroup);
if (sel.pseudo_field && (sel.entity->kind == Entity_Procedure || sel.entity->kind == Entity_ProcGroup)) {
Entity *e = entity_of_node(sel_node);
GB_ASSERT(e->kind == Entity_Procedure);
return lb_addr(lb_find_value_from_entity(p->module, e));
}
if (sel.is_bit_field) {
lbAddr addr = lb_build_addr(p, se->expr);
lbAddr addr = lb_build_addr(p, se->expr);
// NOTE(harold): Only allow ivar pseudo field access on indirect selectors.
// It is incoherent otherwise as Objective-C objects are zero-sized.
Type *deref_type = type_deref(tav.type);
if (tav.type->kind == Type_Pointer && deref_type->kind == Type_Named && deref_type->Named.type_name->TypeName.objc_ivar) {
// NOTE(harold): We need to load the ivar from the current address and
// replace addr with the loaded ivar addr to apply the selector load properly.
addr = lb_addr(lb_emit_load(p, addr.addr));
lbValue ivar_ptr = lb_handle_objc_ivar_for_objc_object_pointer(p, addr.addr);
addr = lb_addr(ivar_ptr);
}
if (sel.is_bit_field) {
Selection sub_sel = sel;
sub_sel.index.count -= 1;
@@ -5227,7 +5236,6 @@ gb_internal lbAddr lb_build_addr_internal(lbProcedure *p, Ast *expr) {
}
{
lbAddr addr = lb_build_addr(p, se->expr);
if (addr.kind == lbAddr_Map) {
lbValue v = lb_addr_load(p, addr);
lbValue a = lb_address_from_load_or_generate_local(p, v);