Add #soa pointer type to aid with refactoring to #soa data types

a: #soa[16]Foo
p := &a[6]
#assert(type_of(p) == #soa^#soa[16]Foo)
p^.x = 123
p.x = 123
This commit is contained in:
gingerBill
2022-08-08 15:07:00 +01:00
parent 4633591918
commit 5e3cf45df3
24 changed files with 274 additions and 23 deletions

View File

@@ -2052,7 +2052,7 @@ bool check_is_not_addressable(CheckerContext *c, Operand *o) {
return false;
}
return o->mode != Addressing_Variable;
return o->mode != Addressing_Variable && o->mode != Addressing_SoaVariable;
}
void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
@@ -2069,9 +2069,6 @@ void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
error(op, "Cannot take the pointer address of '%s' which is a procedure parameter", str);
} else {
switch (o->mode) {
case Addressing_SoaVariable:
error(op, "Cannot take the pointer address of '%s' as it is an indirect index of an SOA struct", str);
break;
case Addressing_Constant:
error(op, "Cannot take the pointer address of '%s' which is a constant", str);
break;
@@ -2099,7 +2096,19 @@ void check_unary_expr(CheckerContext *c, Operand *o, Token op, Ast *node) {
return;
}
o->type = alloc_type_pointer(o->type);
if (o->mode == Addressing_SoaVariable) {
ast_node(ue, UnaryExpr, node);
if (ast_node_expect(ue->expr, Ast_IndexExpr)) {
ast_node(ie, IndexExpr, ue->expr);
Type *soa_type = type_of_expr(ie->expr);
GB_ASSERT(is_type_soa_struct(soa_type));
o->type = alloc_type_soa_pointer(soa_type);
} else {
o->type = alloc_type_pointer(o->type);
}
} else {
o->type = alloc_type_pointer(o->type);
}
switch (o->mode) {
case Addressing_OptionalOk:
@@ -9378,6 +9387,9 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
if (t->kind == Type_Pointer && !is_type_empty_union(t->Pointer.elem)) {
o->mode = Addressing_Variable;
o->type = t->Pointer.elem;
} else if (t->kind == Type_SoaPointer) {
o->mode = Addressing_SoaVariable;
o->type = type_deref(t);
} else if (t->kind == Type_RelativePointer) {
if (o->mode != Addressing_Variable) {
gbString str = expr_to_string(o->expr);