Implicit Values: context; Fix lvalue selector assignments; Fix offset_of* for using fields.

core/_preload.odin

@@ -34,7 +34,7 @@ Type_Info :: union {
 	String:  struct #ordered {}
 	Boolean: struct #ordered {}
 	Pointer: struct #ordered {
-		elem: ^Type_Info
+		elem: ^Type_Info // nil -> rawptr
 	}
 	Maybe: struct #ordered {
 		elem: ^Type_Info
@@ -138,10 +138,6 @@ Context :: struct #ordered {
 DEFAULT_ALIGNMENT :: align_of({4}f32)
 
 
-current_context :: proc() -> Context { // Copy of context
-	return __context
-}
-
 __check_context :: proc() {
 	c := ^__context
 
@@ -157,27 +153,27 @@ alloc :: proc(size: int) -> rawptr #inline { return alloc_align(size, DEFAULT_AL
 
 alloc_align :: proc(size, alignment: int) -> rawptr #inline {
 	__check_context()
-	a := current_context().allocator
+	a := context.allocator
 	return a.procedure(a.data, Allocator.Mode.ALLOC, size, alignment, nil, 0, 0)
 }
 
 free :: proc(ptr: rawptr) #inline {
 	__check_context()
-	a := current_context().allocator
+	a := context.allocator
 	if ptr != nil {
 		a.procedure(a.data, Allocator.Mode.FREE, 0, 0, ptr, 0, 0)
 	}
 }
 free_all :: proc() #inline {
 	__check_context()
-	a := current_context().allocator
+	a := context.allocator
 	a.procedure(a.data, Allocator.Mode.FREE_ALL, 0, 0, nil, 0, 0)
 }
 
 
 resize       :: proc(ptr: rawptr, old_size, new_size: int) -> rawptr #inline { return resize_align(ptr, old_size, new_size, DEFAULT_ALIGNMENT) }
 resize_align :: proc(ptr: rawptr, old_size, new_size, alignment: int) -> rawptr #inline {
-	a := current_context().allocator
+	a := context.allocator
 	return a.procedure(a.data, Allocator.Mode.RESIZE, new_size, alignment, ptr, old_size, 0)
 }
 

core/fmt.odin

@@ -226,7 +226,14 @@ print_type_to_buffer :: proc(buf: ^[]byte, ti: ^Type_Info) {
 	case String:  print_string_to_buffer(buf, "string")
 	case Boolean: print_string_to_buffer(buf, "bool")
 	case Pointer:
-		print_string_to_buffer(buf, "^")
+		if info.elem == nil {
+			print_string_to_buffer(buf, "rawptr")
+		} else {
+			print_string_to_buffer(buf, "^")
+			print_type_to_buffer(buf, info.elem)
+		}
+	case Maybe:
+		print_string_to_buffer(buf, "?")
 		print_type_to_buffer(buf, info.elem)
 	case Procedure:
 		print_string_to_buffer(buf, "proc")
@@ -415,7 +422,7 @@ print_any_to_buffer :: proc(buf: ^[]byte, arg: any) {
 
 	case Maybe:
 		if arg.data != nil {
-
+			// TODO(bill): print maybe
 		} else {
 			print_string_to_buffer(buf, "<nil>")
 		}

core/mem.odin

@@ -131,7 +131,7 @@ init_arena_from_memory :: proc(using a: ^Arena, data: []byte) {
 }
 
 init_arena_from_context :: proc(using a: ^Arena, size: int) {
-	backing = current_context().allocator
+	backing = context.allocator
 	memory = new_slice(u8, 0, size)
 	temp_count = 0
 }