src/libsyntax/diagnostics/macros.rs

   1 // Copyright 2014 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 #[macro_export]
  12 macro_rules! register_diagnostic {
  13     ($code:tt, $description:tt) => (__register_diagnostic! { $code, $description });
  14     ($code:tt) => (__register_diagnostic! { $code })
  15 }
  16
  17 #[macro_export]
  18 macro_rules! span_fatal {
  19     ($session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  20         __diagnostic_used!($code);
  21         $session.span_fatal_with_code($span, &format!($($message)*), stringify!($code))
  22     })
  23 }
  24
  25 #[macro_export]
  26 macro_rules! span_err {
  27     ($session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  28         __diagnostic_used!($code);
  29         $session.span_err_with_code($span, &format!($($message)*), stringify!($code))
  30     })
  31 }
  32
  33 #[macro_export]
  34 macro_rules! span_warn {
  35     ($session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  36         __diagnostic_used!($code);
  37         $session.span_warn_with_code($span, &format!($($message)*), stringify!($code))
  38     })
  39 }
  40
  41 #[macro_export]
  42 macro_rules! span_err_or_warn {
  43     ($is_warning:expr, $session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  44         __diagnostic_used!($code);
  45         if $is_warning {
  46             $session.span_warn_with_code($span, &format!($($message)*), stringify!($code))
  47         } else {
  48             $session.span_err_with_code($span, &format!($($message)*), stringify!($code))
  49         }
  50     })
  51 }
  52
  53 #[macro_export]
  54 macro_rules! struct_span_fatal {
  55     ($session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  56         __diagnostic_used!($code);
  57         $session.struct_span_fatal_with_code($span, &format!($($message)*), stringify!($code))
  58     })
  59 }
  60
  61 #[macro_export]
  62 macro_rules! struct_span_err {
  63     ($session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  64         __diagnostic_used!($code);
  65         $session.struct_span_err_with_code($span, &format!($($message)*), stringify!($code))
  66     })
  67 }
  68
  69 #[macro_export]
  70 macro_rules! struct_span_warn {
  71     ($session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  72         __diagnostic_used!($code);
  73         $session.struct_span_warn_with_code($span, &format!($($message)*), stringify!($code))
  74     })
  75 }
  76
  77 #[macro_export]
  78 macro_rules! struct_span_err_or_warn {
  79     ($is_warning:expr, $session:expr, $span:expr, $code:ident, $($message:tt)*) => ({
  80         __diagnostic_used!($code);
  81         if $is_warning {
  82             $session.struct_span_warn_with_code($span, &format!($($message)*), stringify!($code))
  83         } else {
  84             $session.struct_span_err_with_code($span, &format!($($message)*), stringify!($code))
  85         }
  86     })
  87 }
  88
  89 #[macro_export]
  90 macro_rules! span_note {
  91     ($err:expr, $span:expr, $($message:tt)*) => ({
  92         ($err).span_note($span, &format!($($message)*));
  93     })
  94 }
  95
  96 #[macro_export]
  97 macro_rules! span_help {
  98     ($err:expr, $span:expr, $($message:tt)*) => ({
  99         ($err).span_help($span, &format!($($message)*));
 100     })
 101 }
 102
 103 #[macro_export]
 104 macro_rules! help {
 105     ($err:expr, $($message:tt)*) => ({
 106         ($err).help(&format!($($message)*));
 107     })
 108 }
 109
 110 #[macro_export]
 111 macro_rules! register_diagnostics {
 112     ($($code:tt),*) => (
 113         $(register_diagnostic! { $code })*
 114     );
 115     ($($code:tt),*,) => (
 116         $(register_diagnostic! { $code })*
 117     )
 118 }
 119
 120 #[macro_export]
 121 macro_rules! register_long_diagnostics {
 122     ($($code:tt: $description:tt),*) => (
 123         $(register_diagnostic! { $code, $description })*
 124     );
 125     ($($code:tt: $description:tt),*,) => (
 126         $(register_diagnostic! { $code, $description })*
 127     )
 128 }