rune_macros/quote/
builder.rs

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1use crate::quote::inner::ToTokens;
2use proc_macro2::{Span, TokenStream};
3
4#[derive(Debug, Clone)]
5pub(crate) struct Builder {
6    stream: TokenStream,
7    span: Option<Span>,
8}
9
10impl Builder {
11    pub(crate) fn new() -> Self {
12        Self {
13            stream: TokenStream::new(),
14            span: None,
15        }
16    }
17
18    pub(crate) fn into_stream(self) -> TokenStream {
19        self.stream
20    }
21
22    pub(crate) fn push<T>(&mut self, tokens: T)
23    where
24        T: ToTokens,
25    {
26        let span = self.span.unwrap_or_else(Span::call_site);
27        tokens.to_tokens(&mut self.stream, span);
28    }
29
30    pub(crate) fn push_spanned<T>(&mut self, span: Span, tokens: T)
31    where
32        T: ToTokens,
33    {
34        tokens.to_tokens(&mut self.stream, span);
35    }
36}
37
38impl ToTokens for Builder {
39    fn to_tokens(self, stream: &mut TokenStream, _: Span) {
40        stream.extend(self.stream);
41    }
42}
43
44impl From<TokenStream> for Builder {
45    fn from(stream: TokenStream) -> Self {
46        Self { stream, span: None }
47    }
48}
rune_macros/quote/builder.rs

rune_macros/quote/
builder.rs
