diff options
Diffstat (limited to 'proc-macro-error/proc-macro-error/src/macros.rs')
| -rw-r--r-- | proc-macro-error/proc-macro-error/src/macros.rs | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/proc-macro-error/proc-macro-error/src/macros.rs b/proc-macro-error/proc-macro-error/src/macros.rs deleted file mode 100644 index 117612c..0000000 --- a/proc-macro-error/proc-macro-error/src/macros.rs +++ /dev/null @@ -1,257 +0,0 @@ -// FIXME: this can be greatly simplified via $()? -// as soon as MRSV hits 1.32 - -/// Build [`Diagnostic`](struct.Diagnostic.html) instance from provided arguments. -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -/// -#[macro_export] -macro_rules! diagnostic { - // from alias - ($err:expr) => { $crate::Diagnostic::from($err) }; - - // span, message, help - ($span:expr, $level:expr, $fmt:expr, $($args:expr),+ ; $($rest:tt)+) => {{ - let diag = $crate::Diagnostic::spanned( - $span.into(), - $level, - format!($fmt, $($args),*) - ); - $crate::__pme__suggestions!(diag $($rest)*); - diag - }}; - - ($span:expr, $level:expr, $msg:expr ; $($rest:tt)+) => {{ - let diag = $crate::Diagnostic::spanned($span.into(), $level, $msg.to_string()); - $crate::__pme__suggestions!(diag $($rest)*); - diag - }}; - - // span, message, no help - ($span:expr, $level:expr, $fmt:expr, $($args:expr),+) => {{ - $crate::Diagnostic::spanned( - $span.into(), - $level, - format!($fmt, $($args),*) - ) - }}; - - ($span:expr, $level:expr, $msg:expr) => {{ - $crate::Diagnostic::spanned($span.into(), $level, $msg.to_string()) - }}; - - - // trailing commas - - ($span:expr, $level:expr, $fmt:expr, $($args:expr),+, ; $($rest:tt)+) => { - $crate::diagnostic!($span, $level, $fmt, $($args),* ; $($rest)*) - }; - ($span:expr, $level:expr, $msg:expr, ; $($rest:tt)+) => { - $crate::diagnostic!($span, $level, $msg ; $($rest)*) - }; - ($span:expr, $level:expr, $fmt:expr, $($args:expr),+,) => { - $crate::diagnostic!($span, $level, $fmt, $($args),*) - }; - ($span:expr, $level:expr, $msg:expr,) => { - $crate::diagnostic!($span, $level, $msg) - }; - // ($err:expr,) => { $crate::diagnostic!($err) }; -} - -/// Abort proc-macro execution right now and display the error. -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -#[macro_export] -macro_rules! abort { - ($err:expr) => { - $crate::diagnostic!($err).abort() - }; - - ($span:expr, $($tts:tt)*) => { - $crate::diagnostic!($span, $crate::Level::Error, $($tts)*).abort() - }; -} - -/// Shortcut for `abort!(Span::call_site(), msg...)`. This macro -/// is still preferable over plain panic, panics are not for error reporting. -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -/// -#[macro_export] -macro_rules! abort_call_site { - ($($tts:tt)*) => { - $crate::diagnostic!( - $crate::proc_macro2::Span::call_site(), - $crate::Level::Error, - $($tts)* - ).abort() - }; -} - -/// Emit an error while not aborting the proc-macro right away. -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -/// -#[macro_export] -macro_rules! emit_error { - ($err:expr) => { - $crate::diagnostic!($err).emit() - }; - - ($span:expr, $($tts:tt)*) => {{ - let level = $crate::Level::Error; - $crate::diagnostic!($span, level, $($tts)*).emit() - }}; -} - -/// Shortcut for `emit_error!(Span::call_site(), ...)`. This macro -/// is still preferable over plain panic, panics are not for error reporting.. -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -/// -#[macro_export] -macro_rules! emit_call_site_error { - ($($tts:tt)*) => { - $crate::diagnostic!( - $crate::proc_macro2::Span()::call_site(), - $crate::Level::Error, - $($tts)* - ).emit() - }; -} - -/// Emit a warning. Warnings are not errors and compilation won't fail because of them. -/// -/// **Does nothing on stable** -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -/// -#[macro_export] -macro_rules! emit_warning { - ($span:expr, $($tts:tt)*) => { - $crate::diagnostic!($span, $crate::Level::Warning, $($tts)*).emit() - }; -} - -/// Shortcut for `emit_warning!(Span::call_site(), ...)`. -/// -/// **Does nothing on stable** -/// -/// # Syntax -/// -/// See [the guide](index.html#guide). -/// -#[macro_export] -macro_rules! emit_call_site_warning { - ($($tts:tt)*) => {{ - let span = $crate::proc_macro2::Span()::call_site(); - $crate::diagnostic!(span, $crate::Level::Warning, $($tts)*).emit() - }}; -} - -#[doc(hidden)] -#[macro_export] -macro_rules! __pme__suggestions { - ($var:ident) => (); - - ($var:ident $help:ident =? $msg:expr) => { - let $var = if let Some(msg) = $msg { - $var.suggestion(stringify!($help), msg.to_string()) - } else { - $var - }; - }; - ($var:ident $help:ident =? $span:expr => $msg:expr) => { - let $var = if let Some(msg) = $msg { - $var.span_suggestion($span.into(), stringify!($help), msg.to_string()) - } else { - $var - }; - }; - - ($var:ident $help:ident =? $msg:expr ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help =? $msg); - $crate::__pme__suggestions!($var $($rest)*); - }; - ($var:ident $help:ident =? $span:expr => $msg:expr ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help =? $span => $msg); - $crate::__pme__suggestions!($var $($rest)*); - }; - - - ($var:ident $help:ident = $msg:expr) => { - let $var = $var.suggestion(stringify!($help), $msg.to_string()); - }; - ($var:ident $help:ident = $fmt:expr, $($args:expr),+) => { - let $var = $var.suggestion( - stringify!($help), - format!($fmt, $($args),*) - ); - }; - ($var:ident $help:ident = $span:expr => $msg:expr) => { - let $var = $var.span_suggestion($span.into(), stringify!($help), $msg.to_string()); - }; - ($var:ident $help:ident = $span:expr => $fmt:expr, $($args:expr),+) => { - let $var = $var.span_suggestion( - $span.into(), - stringify!($help), - format!($fmt, $($args),*) - ); - }; - - ($var:ident $help:ident = $msg:expr ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $msg); - $crate::__pme__suggestions!($var $($rest)*); - }; - ($var:ident $help:ident = $fmt:expr, $($args:expr),+ ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $fmt, $($args),*); - $crate::__pme__suggestions!($var $($rest)*); - }; - ($var:ident $help:ident = $span:expr => $msg:expr ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $span => $msg); - $crate::__pme__suggestions!($var $($rest)*); - }; - ($var:ident $help:ident = $span:expr => $fmt:expr, $($args:expr),+ ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $span => $fmt, $($args),*); - $crate::__pme__suggestions!($var $($rest)*); - }; - - // trailing commas - - ($var:ident $help:ident = $msg:expr,) => { - $crate::__pme__suggestions!($var $help = $msg) - }; - ($var:ident $help:ident = $fmt:expr, $($args:expr),+,) => { - $crate::__pme__suggestions!($var $help = $fmt, $($args)*) - }; - ($var:ident $help:ident = $span:expr => $msg:expr,) => { - $crate::__pme__suggestions!($var $help = $span => $msg) - }; - ($var:ident $help:ident = $span:expr => $fmt:expr, $($args:expr),*,) => { - $crate::__pme__suggestions!($var $help = $span => $fmt, $($args)*) - }; - ($var:ident $help:ident = $msg:expr, ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $msg; $($rest)*) - }; - ($var:ident $help:ident = $fmt:expr, $($args:expr),+, ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $fmt, $($args),*; $($rest)*) - }; - ($var:ident $help:ident = $span:expr => $msg:expr, ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $span => $msg; $($rest)*) - }; - ($var:ident $help:ident = $span:expr => $fmt:expr, $($args:expr),+, ; $($rest:tt)*) => { - $crate::__pme__suggestions!($var $help = $span => $fmt, $($args),*; $($rest)*) - }; -} |