// Copyright 2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // In expression position, but not statement position, when we expand a macro, // we replace the span of the expanded expression with that of the call site. macro_rules! nested_expr { () => (fake) //~ ERROR unresolved name //~^ ERROR unresolved name } macro_rules! call_nested_expr { () => (nested_expr!()) //~ NOTE in this expansion of nested_expr! } macro_rules! call_nested_expr_sum { () => { 1 + nested_expr!(); } //~ NOTE in this expansion of nested_expr! } fn main() { 1 + call_nested_expr!(); //~ NOTE in this expansion of call_nested_expr! call_nested_expr_sum!(); //~ NOTE in this expansion of }