Struct rune::MacroContext

pub struct MacroContext { /* fields omitted */ }

Context for a running macro.

Implementations

impl MacroContext

pub fn empty() -> Self

Construct an empty macro context. Should only be used for testing.

pub fn resolve_owned<T>(&self, item: T) -> Result<T::Owned, ResolveError> where
    T: ResolveOwned, 

Resolve the given item into an owned variant.

pub fn eval<T>(
    &self,
    target: &T
) -> Result<<T::Output as IrEval>::Output, IrError> where
    T: Spanned + IrCompile,
    T::Output: IrEval, 

Evaluate the given ast as a constant expression.

pub fn stringify<'a, T>(&'a self, tokens: &T) -> Stringify<'_> where
    T: ToTokens, 

Stringify the given token stream.

pub fn macro_span(&self) -> Span

Access span of the whole macro.

pub fn stream_span(&self) -> Span

Access the span of the stream being parsed.

pub fn storage(&self) -> &Storage

Access storage for the macro system.

pub fn source(&self) -> &Source

Access the current source of the macro context.