Add multi pointers to core

core/runtime/core.odin

@@ -74,6 +74,9 @@ Type_Info_Type_Id    :: struct {};
 Type_Info_Pointer :: struct {
 	elem: ^Type_Info, // nil -> rawptr
 };
+Type_Info_Multi_Pointer :: struct {
+	elem: ^Type_Info,
+};
 Type_Info_Procedure :: struct {
 	params:     ^Type_Info, // Type_Info_Tuple
 	results:    ^Type_Info, // Type_Info_Tuple
@@ -184,6 +187,7 @@ Type_Info :: struct {
 		Type_Info_Any,
 		Type_Info_Type_Id,
 		Type_Info_Pointer,
+		Type_Info_Multi_Pointer,
 		Type_Info_Procedure,
 		Type_Info_Array,
 		Type_Info_Enumerated_Array,
@@ -214,6 +218,7 @@ Typeid_Kind :: enum u8 {
 	Any,
 	Type_Id,
 	Pointer,
+	Multi_Pointer,
 	Procedure,
 	Array,
 	Enumerated_Array,
@@ -340,7 +345,7 @@ Context :: struct {
 
 
 Raw_String :: struct {
-	data: ^byte,
+	data: [^]byte,
 	len:  int,
 }
 

core/runtime/error_checks.odin

@@ -45,6 +45,24 @@ slice_handle_error :: proc "contextless" (file: string, line, column: i32, lo, h
 	bounds_trap();
 }
 
+multi_pointer_slice_handle_error :: proc "contextless" (file: string, line, column: i32, lo, hi: int) -> ! {
+	print_caller_location(Source_Code_Location{file, line, column, ""});
+	print_string(" Invalid slice indices: ");
+	print_i64(i64(lo));
+	print_string(":");
+	print_i64(i64(hi));
+	print_byte('\n');
+	bounds_trap();
+}
+
+
+multi_pointer_slice_expr_error :: proc "contextless" (file: string, line, column: i32, lo, hi: int) {
+	if lo <= hi {
+		return;
+	}
+	multi_pointer_slice_handle_error(file, line, column, lo, hi);
+}
+
 slice_expr_error_hi :: proc "contextless" (file: string, line, column: i32, hi: int, len: int) {
 	if 0 <= hi && hi <= len {
 		return;

core/runtime/print.odin

@@ -203,6 +203,9 @@ print_type :: proc "contextless" (ti: ^Type_Info) {
 			print_string("^");
 			print_type(info.elem);
 		}
+	case Type_Info_Multi_Pointer:
+		print_string("[^]");
+		print_type(info.elem);
 	case Type_Info_Procedure:
 		print_string("proc");
 		if info.params == nil {