Merge remote-tracking branch 'origin/master'

This commit is contained in:
2024-02-08 22:35:38 -05:00
6 changed files with 261 additions and 10 deletions
-1
View File
@@ -86,7 +86,6 @@ make_soa_aligned :: proc($T: typeid/#soa[]$E, length: int, alignment: int, alloc
return
}
array.allocator = allocator
footer := raw_soa_footer(&array)
if size_of(E) == 0 {
footer.len = length
+171
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@@ -0,0 +1,171 @@
package relative_types
import "base:intrinsics"
Pointer :: struct($Type: typeid, $Backing: typeid)
where
intrinsics.type_is_pointer(Type) || intrinsics.type_is_multi_pointer(Type),
intrinsics.type_is_integer(Backing) {
offset: Backing,
}
Slice :: struct($Type: typeid, $Backing: typeid)
where
intrinsics.type_is_slice(Type),
intrinsics.type_is_integer(Backing) {
offset: Backing,
len: Backing,
}
@(require_results)
pointer_get :: proc "contextless" (p: ^$P/Pointer($T, $B)) -> T {
if p.offset == 0 {
return nil
}
ptr := ([^]byte)(p)[p.offset:]
return (T)(ptr)
}
pointer_set :: proc "contextless" (p: ^$P/Pointer($T, $B), ptr: T) {
if ptr == nil {
p.offset = 0
} else {
p.offset = B(int(uintptr(ptr)) - int(uintptr(p)))
}
}
@(require_results)
slice_get :: proc "contextless" (p: ^$S/Slice($T/[]$E, $B)) -> (slice: T) {
if p.offset == 0 {
when size_of(E) == 0 {
slice = T(([^]E)(nil)[:p.len])
}
} else {
ptr := ([^]E)(([^]byte)(p)[p.offset:])
slice = T(ptr[:p.len])
}
return
}
slice_set :: proc "contextless" (p: ^$S/Slice($T, $B), slice: T) {
if slice == nil {
p.offset, p.len = 0, 0
} else {
ptr := raw_data(slice)
p.offset = B(int(uintptr(ptr)) - int(uintptr(p)))
p.len = B(len(slice))
}
}
get :: proc{
pointer_get,
slice_get,
}
set :: proc{
pointer_set,
slice_set,
}
Set_Safe_Error :: enum {
None,
Memory_Too_Far_Apart,
Length_Out_Of_Bounds,
}
@(require_results)
pointer_set_safe :: proc "contextless" (p: ^$P/Pointer($T, $B), ptr: T) -> Set_Safe_Error {
if ptr == nil {
p.offset = 0
} else {
when intrinsics.type_is_unsigned(B) {
diff := uint(uintptr(ptr) - uintptr(p))
when size_of(B) < size_of(uint) {
if diff > uint(max(B)) {
return .Memory_Too_Far_Apart
}
} else {
if B(diff) > max(B) {
return .Memory_Too_Far_Apart
}
}
} else {
diff := int(uintptr(ptr)) - int(uintptr(p))
when size_of(B) < size_of(int) {
if diff > int(max(B)) {
return .Memory_Too_Far_Apart
}
} else {
if B(diff) > max(B) {
return .Memory_Too_Far_Apart
}
}
}
p.offset = B(diff)
}
return .None
}
@(require_results)
slice_set_safe :: proc "contextless" (p: ^$S/Slice($T, $B), slice: T) -> Set_Safe_Error {
if slice == nil {
p.offset, p.len = 0, 0
} else {
ptr := raw_data(slice)
when intrinsics.type_is_unsigned(B) {
diff := uint(uintptr(ptr) - uintptr(p))
when size_of(B) < size_of(uint) {
if diff > uint(max(B)) {
return .Memory_Too_Far_Apart
}
if uint(len(slice)) > uint(max(B)) {
return .Length_Out_Of_Bounds
}
} else {
if B(diff) > max(B) {
return .Memory_Too_Far_Apart
}
if B(len(slice)) > max(B) {
return .Length_Out_Of_Bounds
}
}
p.offset = B(diff)
p.len = B(len(slice))
} else {
diff := int(uintptr(ptr)) - int(uintptr(p))
when size_of(B) < size_of(int) {
if diff > int(max(B)) {
return .Memory_Too_Far_Apart
}
if len(slice) > int(max(B)) || len(slice) < int(min(B)) {
return .Length_Out_Of_Bounds
}
} else {
if B(diff) > max(B) {
return .Memory_Too_Far_Apart
}
if B(len(slice)) > max(B) {
return .Length_Out_Of_Bounds
}
if B(len(slice)) > max(B) || B(len(slice)) < min(B) {
return .Length_Out_Of_Bounds
}
}
}
p.offset = B(diff)
p.len = B(len(slice))
}
return .None
}
set_safe :: proc{
pointer_set_safe,
slice_set_safe,
}
+1 -1
View File
@@ -5686,7 +5686,7 @@ gb_internal bool check_builtin_procedure(CheckerContext *c, Operand *operand, As
return false;
}
operand->value = exact_value_bool(is_type_subtype_of(op_src.type, op_dst.type));
operand->value = exact_value_bool(is_type_subtype_of_and_allow_polymorphic(op_src.type, op_dst.type));
operand->mode = Addressing_Constant;
operand->type = t_untyped_bool;
} break;
+25 -6
View File
@@ -1,4 +1,6 @@
gb_internal ParameterValue handle_parameter_value(CheckerContext *ctx, Type *in_type, Type **out_type_, Ast *expr, bool allow_caller_location);
gb_internal Type *determine_type_from_polymorphic(CheckerContext *ctx, Type *poly_type, Operand const &operand);
gb_internal Type *check_get_params(CheckerContext *ctx, Scope *scope, Ast *_params, bool *is_variadic_, isize *variadic_index_, bool *success_, isize *specialization_count_, Array<Operand> const *operands);
gb_internal void populate_using_array_index(CheckerContext *ctx, Ast *node, AstField *field, Type *t, String name, i32 idx) {
t = base_type(t);
@@ -393,7 +395,6 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
bool *is_polymorphic_,
Ast *node, Array<Operand> *poly_operands) {
Type *polymorphic_params_type = nullptr;
bool can_check_fields = true;
GB_ASSERT(is_polymorphic_ != nullptr);
if (polymorphic_params == nullptr) {
@@ -403,6 +404,17 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
return polymorphic_params_type;
}
// bool is_variadic = false;
// isize variadic_index = 0;
// bool success = false;
// isize specialization_count = 0;
// polymorphic_params_type = check_get_params(ctx, ctx->scope, polymorphic_params, &is_variadic, &variadic_index, &success, &specialization_count, poly_operands);
// if (success) {
// return nullptr;
// }
bool can_check_fields = true;
ast_node(field_list, FieldList, polymorphic_params);
Slice<Ast *> params = field_list->list;
if (params.count != 0) {
@@ -417,11 +429,13 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
auto entities = array_make<Entity *>(permanent_allocator(), 0, variable_count);
i32 field_group_index = -1;
for_array(i, params) {
Ast *param = params[i];
if (param->kind != Ast_Field) {
continue;
}
field_group_index += 1;
ast_node(p, Field, param);
Ast *type_expr = p->type;
Ast *default_value = unparen_expr(p->default_value);
@@ -481,7 +495,7 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
type = t_invalid;
}
if (is_type_polymorphic_type) {
if (is_type_polymorphic_type && !is_type_proc(type)) {
gbString str = type_to_string(type);
error(params[i], "Parameter types cannot be polymorphic, got %s", str);
gb_string_free(str);
@@ -523,13 +537,18 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
e->TypeName.is_type_alias = true;
e->flags |= EntityFlag_PolyConst;
} else {
if (is_type_polymorphic(base_type(operand.type))) {
Type *t = operand.type;
if (is_type_proc(type)) {
t = determine_type_from_polymorphic(ctx, type, operand);
}
if (is_type_polymorphic(base_type(t))) {
*is_polymorphic_ = true;
can_check_fields = false;
}
if (e == nullptr) {
e = alloc_entity_constant(scope, token, operand.type, operand.value);
e = alloc_entity_const_param(scope, token, t, operand.value, is_type_polymorphic(t));
e->Constant.param_value = param_value;
e->Constant.field_group_index = field_group_index;
}
}
} else {
@@ -538,7 +557,8 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
e->TypeName.is_type_alias = true;
e->flags |= EntityFlag_PolyConst;
} else {
e = alloc_entity_constant(scope, token, type, param_value.value);
e = alloc_entity_const_param(scope, token, type, param_value.value, is_type_polymorphic(type));
e->Constant.field_group_index = field_group_index;
e->Constant.param_value = param_value;
}
}
@@ -559,7 +579,6 @@ gb_internal Type *check_record_polymorphic_params(CheckerContext *ctx, Ast *poly
if (!*is_polymorphic_) {
*is_polymorphic_ = polymorphic_params != nullptr && poly_operands == nullptr;
}
return polymorphic_params_type;
}
+47
View File
@@ -2164,6 +2164,49 @@ gb_internal Array<Ast *> parse_union_variant_list(AstFile *f) {
return variants;
}
gb_internal void parser_check_polymorphic_record_parameters(AstFile *f, Ast *polymorphic_params) {
if (polymorphic_params == nullptr) {
return;
}
if (polymorphic_params->kind != Ast_FieldList) {
return;
}
enum {Unknown, Dollar, Bare} prefix = Unknown;
gb_unused(prefix);
for (Ast *field : polymorphic_params->FieldList.list) {
if (field == nullptr || field->kind != Ast_Field) {
continue;
}
for (Ast *name : field->Field.names) {
if (name == nullptr) {
continue;
}
bool error = false;
if (name->kind == Ast_Ident) {
switch (prefix) {
case Unknown: prefix = Bare; break;
case Dollar: error = true; break;
case Bare: break;
}
} else if (name->kind == Ast_PolyType) {
switch (prefix) {
case Unknown: prefix = Dollar; break;
case Dollar: break;
case Bare: error = true; break;
}
}
if (error) {
syntax_error(name, "Mixture of polymorphic $ names and normal identifiers are not allowed within record parameters");
}
}
}
}
gb_internal Ast *parse_operand(AstFile *f, bool lhs) {
Ast *operand = nullptr; // Operand
switch (f->curr_token.kind) {
@@ -2610,6 +2653,8 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) {
decls = fields->FieldList.list;
}
parser_check_polymorphic_record_parameters(f, polymorphic_params);
return ast_struct_type(f, token, decls, name_count, polymorphic_params, is_packed, is_raw_union, no_copy, align, field_align, where_token, where_clauses);
} break;
@@ -2702,6 +2747,8 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) {
auto variants = parse_union_variant_list(f);
Token close = expect_closing_brace_of_field_list(f);
parser_check_polymorphic_record_parameters(f, polymorphic_params);
return ast_union_type(f, token, variants, polymorphic_params, align, union_kind, where_token, where_clauses);
} break;
+17 -2
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@@ -4093,7 +4093,7 @@ gb_internal i64 type_offset_of_from_selection(Type *type, Selection sel) {
return offset;
}
gb_internal isize check_is_assignable_to_using_subtype(Type *src, Type *dst, isize level = 0, bool src_is_ptr = false) {
gb_internal isize check_is_assignable_to_using_subtype(Type *src, Type *dst, isize level = 0, bool src_is_ptr = false, bool allow_polymorphic=false) {
Type *prev_src = src;
src = type_deref(src);
if (!src_is_ptr) {
@@ -4105,11 +4105,19 @@ gb_internal isize check_is_assignable_to_using_subtype(Type *src, Type *dst, isi
return 0;
}
bool dst_is_polymorphic = is_type_polymorphic(dst);
for_array(i, src->Struct.fields) {
Entity *f = src->Struct.fields[i];
if (f->kind != Entity_Variable || (f->flags&EntityFlags_IsSubtype) == 0) {
continue;
}
if (allow_polymorphic && dst_is_polymorphic) {
Type *fb = base_type(type_deref(f->type));
if (fb->kind == Type_Struct && fb->Struct.polymorphic_parent == dst) {
return true;
}
}
if (are_types_identical(f->type, dst)) {
return level+1;
@@ -4119,7 +4127,7 @@ gb_internal isize check_is_assignable_to_using_subtype(Type *src, Type *dst, isi
return level+1;
}
}
isize nested_level = check_is_assignable_to_using_subtype(f->type, dst, level+1, src_is_ptr);
isize nested_level = check_is_assignable_to_using_subtype(f->type, dst, level+1, src_is_ptr, allow_polymorphic);
if (nested_level > 0) {
return nested_level;
}
@@ -4135,6 +4143,13 @@ gb_internal bool is_type_subtype_of(Type *src, Type *dst) {
return 0 < check_is_assignable_to_using_subtype(src, dst, 0, is_type_pointer(src));
}
gb_internal bool is_type_subtype_of_and_allow_polymorphic(Type *src, Type *dst) {
if (are_types_identical(src, dst)) {
return true;
}
return 0 < check_is_assignable_to_using_subtype(src, dst, 0, is_type_pointer(src), true);
}
gb_internal bool has_type_got_objc_class_attribute(Type *t) {