Trait Server 

pub trait Server {
    type TokenStream: 'static + Clone + Default;
    type Span: 'static + Copy + Eq + Hash;
    type Symbol: 'static;

    // Required methods
    fn globals(&mut self) -> ExpnGlobals<Self::Span>;
    fn intern_symbol(ident: &str) -> Self::Symbol;
    fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str));
    fn injected_env_var(&mut self, var: &str) -> Option<String>;
    fn track_env_var(&mut self, var: &str, value: Option<&str>);
    fn track_path(&mut self, path: &str);
    fn literal_from_str(
        &mut self,
        s: &str,
    ) -> Result<Literal<Self::Span, Self::Symbol>, String>;
    fn emit_diagnostic(&mut self, diagnostic: Diagnostic<Self::Span>);
    fn ts_drop(&mut self, stream: Self::TokenStream);
    fn ts_clone(&mut self, stream: &Self::TokenStream) -> Self::TokenStream;
    fn ts_is_empty(&mut self, stream: &Self::TokenStream) -> bool;
    fn ts_expand_expr(
        &mut self,
        stream: &Self::TokenStream,
    ) -> Result<Self::TokenStream, ()>;
    fn ts_from_str(&mut self, src: &str) -> Result<Self::TokenStream, String>;
    fn ts_to_string(&mut self, stream: &Self::TokenStream) -> String;
    fn ts_from_token_tree(
        &mut self,
        tree: TokenTree<Self::TokenStream, Self::Span, Self::Symbol>,
    ) -> Self::TokenStream;
    fn ts_concat_trees(
        &mut self,
        base: Option<Self::TokenStream>,
        trees: Vec<TokenTree<Self::TokenStream, Self::Span, Self::Symbol>>,
    ) -> Self::TokenStream;
    fn ts_concat_streams(
        &mut self,
        base: Option<Self::TokenStream>,
        streams: Vec<Self::TokenStream>,
    ) -> Self::TokenStream;
    fn ts_into_trees(
        &mut self,
        stream: Self::TokenStream,
    ) -> Vec<TokenTree<Self::TokenStream, Self::Span, Self::Symbol>>;
    fn span_debug(&mut self, span: Self::Span) -> String;
    fn span_parent(&mut self, span: Self::Span) -> Option<Self::Span>;
    fn span_source(&mut self, span: Self::Span) -> Self::Span;
    fn span_byte_range(&mut self, span: Self::Span) -> Range<usize> ;
    fn span_start(&mut self, span: Self::Span) -> Self::Span;
    fn span_end(&mut self, span: Self::Span) -> Self::Span;
    fn span_line(&mut self, span: Self::Span) -> usize;
    fn span_column(&mut self, span: Self::Span) -> usize;
    fn span_file(&mut self, span: Self::Span) -> String;
    fn span_local_file(&mut self, span: Self::Span) -> Option<String>;
    fn span_join(
        &mut self,
        span: Self::Span,
        other: Self::Span,
    ) -> Option<Self::Span>;
    fn span_subspan(
        &mut self,
        span: Self::Span,
        start: Bound<usize>,
        end: Bound<usize>,
    ) -> Option<Self::Span>;
    fn span_resolved_at(
        &mut self,
        span: Self::Span,
        at: Self::Span,
    ) -> Self::Span;
    fn span_source_text(&mut self, span: Self::Span) -> Option<String>;
    fn span_save_span(&mut self, span: Self::Span) -> usize;
    fn span_recover_proc_macro_span(&mut self, id: usize) -> Self::Span;
    fn symbol_normalize_and_validate_ident(
        &mut self,
        string: &str,
    ) -> Result<Self::Symbol, ()>;
}

🔬This is a nightly-only experimental API. (proc_macro_internals)

Required Associated Types

type TokenStream: 'static + Clone + Default

🔬This is a nightly-only experimental API. (proc_macro_internals)

type Span: 'static + Copy + Eq + Hash

🔬This is a nightly-only experimental API. (proc_macro_internals)

type Symbol: 'static

🔬This is a nightly-only experimental API. (proc_macro_internals)

Required Methods

fn globals(&mut self) -> ExpnGlobals<Self::Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn intern_symbol(ident: &str) -> Self::Symbol

🔬This is a nightly-only experimental API. (proc_macro_internals)

Intern a symbol received from RPC

fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str))

🔬This is a nightly-only experimental API. (proc_macro_internals)

Recover the string value of a symbol, and invoke a callback with it.

fn injected_env_var(&mut self, var: &str) -> Option<String>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn track_env_var(&mut self, var: &str, value: Option<&str>)

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn track_path(&mut self, path: &str)

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn literal_from_str( &mut self, s: &str, ) -> Result<Literal<Self::Span, Self::Symbol>, String>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn emit_diagnostic(&mut self, diagnostic: Diagnostic<Self::Span>)

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_drop(&mut self, stream: Self::TokenStream)

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_clone(&mut self, stream: &Self::TokenStream) -> Self::TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_is_empty(&mut self, stream: &Self::TokenStream) -> bool

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_expand_expr( &mut self, stream: &Self::TokenStream, ) -> Result<Self::TokenStream, ()>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_from_str(&mut self, src: &str) -> Result<Self::TokenStream, String>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_to_string(&mut self, stream: &Self::TokenStream) -> String

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_from_token_tree( &mut self, tree: TokenTree<Self::TokenStream, Self::Span, Self::Symbol>, ) -> Self::TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_concat_trees( &mut self, base: Option<Self::TokenStream>, trees: Vec<TokenTree<Self::TokenStream, Self::Span, Self::Symbol>>, ) -> Self::TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_concat_streams( &mut self, base: Option<Self::TokenStream>, streams: Vec<Self::TokenStream>, ) -> Self::TokenStream

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn ts_into_trees( &mut self, stream: Self::TokenStream, ) -> Vec<TokenTree<Self::TokenStream, Self::Span, Self::Symbol>>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_debug(&mut self, span: Self::Span) -> String

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_parent(&mut self, span: Self::Span) -> Option<Self::Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_source(&mut self, span: Self::Span) -> Self::Span

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_byte_range(&mut self, span: Self::Span) -> Range<usize>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_start(&mut self, span: Self::Span) -> Self::Span

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_end(&mut self, span: Self::Span) -> Self::Span

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_line(&mut self, span: Self::Span) -> usize

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_column(&mut self, span: Self::Span) -> usize

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_file(&mut self, span: Self::Span) -> String

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_local_file(&mut self, span: Self::Span) -> Option<String>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_join( &mut self, span: Self::Span, other: Self::Span, ) -> Option<Self::Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_subspan( &mut self, span: Self::Span, start: Bound<usize>, end: Bound<usize>, ) -> Option<Self::Span>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_resolved_at(&mut self, span: Self::Span, at: Self::Span) -> Self::Span

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_source_text(&mut self, span: Self::Span) -> Option<String>

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_save_span(&mut self, span: Self::Span) -> usize

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn span_recover_proc_macro_span(&mut self, id: usize) -> Self::Span

🔬This is a nightly-only experimental API. (proc_macro_internals)

fn symbol_normalize_and_validate_ident( &mut self, string: &str, ) -> Result<Self::Symbol, ()>

🔬This is a nightly-only experimental API. (proc_macro_internals)

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors