add '#caller_expression'

core/odin/parser/parser.odin

@@ -2277,6 +2277,16 @@ parse_operand :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 			bd.name = name.text
 			return bd
 
+		case "caller_expression":
+			bd := ast.new(ast.Basic_Directive, tok.pos, end_pos(name))
+			bd.tok  = tok
+			bd.name = name.text
+
+			if peek_token_kind(p, .Open_Paren) {
+				return parse_call_expr(p, bd)
+			}
+			return bd
+
 		case "location", "exists", "load", "load_directory", "load_hash", "hash", "assert", "panic", "defined", "config":
 			bd := ast.new(ast.Basic_Directive, tok.pos, end_pos(name))
 			bd.tok  = tok