src/test/ui/macros/macro-backtrace-invalid-internals.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // Macros in statement vs expression position handle backtraces differently.
  12
  13 macro_rules! fake_method_stmt {
  14      () => {
  15           1.fake() //~ ERROR no method
  16      }
  17 }
  18
  19 macro_rules! fake_field_stmt {
  20      () => {
  21           1.fake //~ ERROR doesn't have fields
  22      }
  23 }
  24
  25 macro_rules! fake_anon_field_stmt {
  26      () => {
  27           (1).0 //~ ERROR doesn't have fields
  28      }
  29 }
  30
  31 macro_rules! fake_method_expr {
  32      () => {
  33           1.fake() //~ ERROR no method
  34      }
  35 }
  36
  37 macro_rules! fake_field_expr {
  38      () => {
  39           1.fake //~ ERROR doesn't have fields
  40      }
  41 }
  42
  43 macro_rules! fake_anon_field_expr {
  44      () => {
  45           (1).0 //~ ERROR doesn't have fields
  46      }
  47 }
  48
  49 macro_rules! real_method_stmt {
  50      () => {
  51           2.0.neg() //~ ERROR can't call method `neg` on ambiguous numeric type `{float}`
  52      }
  53 }
  54
  55 macro_rules! real_method_expr {
  56      () => {
  57           2.0.neg() //~ ERROR can't call method `neg` on ambiguous numeric type `{float}`
  58      }
  59 }
  60
  61 fn main() {
  62     fake_method_stmt!();
  63     fake_field_stmt!();
  64     fake_anon_field_stmt!();
  65     real_method_stmt!();
  66
  67     let _ = fake_method_expr!();
  68     let _ = fake_field_expr!();
  69     let _ = fake_anon_field_expr!();
  70     let _ = real_method_expr!();
  71 }