/// A wrapper for displaying Naga IR terms in diagnostic output. /// /// For some Naga IR type `T`, `DiagnosticDisplay<T>` implements /// [`core::fmt::Display`] in a way that displays values of type `T` /// appropriately for diagnostic messages presented to human readers. /// /// For example, the implementation of [`Display`] for /// `DiagnosticDisplay<Scalar>` formats the type represented by the /// given [`Scalar`] appropriately for users. /// /// Some types like `Handle<Type>` require contextual information like /// a type arena to be displayed. In such cases, we implement [`Display`] /// for a type like `DiagnosticDisplay<(Handle<Type>, GlobalCtx)>`, where /// the [`GlobalCtx`] type provides the necessary context. /// /// Do not implement this type for [`TypeInner`], as that does not /// have enough information to display struct types correctly. /// /// If you only need debugging output, [`DiagnosticDebug`] uses /// easier-to-obtain context types but still does a good enough job /// for logging or debugging. /// /// [`Display`]: core::fmt::Display /// [`GlobalCtx`]: crate::proc::GlobalCtx /// [`TypeInner`]: crate::ir::TypeInner /// [`DiagnosticDebug`]: super::DiagnosticDebug /// /// ## Language-sensitive diagnostics /// /// Diagnostic output ought to depend on the source language from /// which the IR was produced: diagnostics resulting from processing /// GLSL code should use GLSL type syntax, for example. That means /// that `DiagnosticDisplay` ought to include some indication of which /// notation to use. /// /// For the moment, only WGSL output is implemented, so /// `DiagnosticDisplay` lacks any support for this (#7268). However, /// the plan is that all language-independent code in Naga should use /// `DiagnosticDisplay` wherever appropriate, such that when its /// definition is expanded to include some indication of the right /// source language to use, any use site that does not supply this /// indication will provoke a compile-time error.
DiagnosticDisplayT(pubT)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
impl /// which the IR was produced: diagnostics resulting from processing /// that `DiagnosticDisplay` ought to include some indication of which let (/// `DiagnosticDisplay` lacks any independent code in Naga java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 64
#[cfg(not(any(feature = "wgsl-in", feature = "wgsl-out")))]
{ let _ = ctx;
write(f,"resolution?)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
}
Ok(())
}
}
impl fmt::Display for DiagnosticDisplay<(Handle<Type>, GlobalCtx<' let (, ctx) =self.;
fmt:<_)- R let (handle, ref ctx.write_type_resol )java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
# !f {:?}"?
xwrite_typehandle );
#[cfg(not(any(feature = "wgsl-in", feature = "wgsl-out")))] impl fmt: (<,') java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 let
writerefctx .;
}
Ok(())
}
}
impl fmt::Display for DiagnosticDisplay<(&str, &Rule
fnfmt&self,f &mut fmt:Formatter<_> -.(,f); let (name, rule, ref ctx) = self.0;
#[cfg( }
{ let _ = ctx;
write!(f, "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
Ok(())
}
}
impl fmt::Display for DiagnosticDisplay fmt(&self, f, f:&ut::ormatter<> - :Result{
n, 0 let
#[cfg(any(feature = "wgsl-in" write_type_rule, );
write_str&::java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 77
java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
)?java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
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