Allow splicing more things in quotes
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4e26e2d8ca
commit
26b2fa052f
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@ -32,6 +32,7 @@ use std::gc::Gc;
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pub mod rt {
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use ast;
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use codemap::Spanned;
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use ext::base::ExtCtxt;
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use parse::token;
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use parse;
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@ -48,12 +49,25 @@ pub mod rt {
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fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> ;
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}
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impl ToTokens for TokenTree {
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fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> {
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vec!(self.clone())
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}
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}
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impl ToTokens for Vec<TokenTree> {
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fn to_tokens(&self, _cx: &ExtCtxt) -> Vec<TokenTree> {
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(*self).clone()
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}
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}
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impl<T: ToTokens> ToTokens for Spanned<T> {
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fn to_tokens(&self, cx: &ExtCtxt) -> Vec<TokenTree> {
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// FIXME: use the span?
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self.node.to_tokens(cx)
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}
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}
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/* Should be (when bugs in default methods are fixed):
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trait ToSource : ToTokens {
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@ -121,6 +135,7 @@ pub mod rt {
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impl_to_source!(Generics, generics_to_str)
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impl_to_source!(Gc<ast::Item>, item_to_str)
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impl_to_source!(Gc<ast::Expr>, expr_to_str)
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impl_to_source!(Gc<ast::Pat>, pat_to_str)
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impl_to_source_slice!(ast::Ty, ", ")
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impl_to_source_slice!(Gc<ast::Item>, "\n\n")
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@ -207,6 +222,7 @@ pub mod rt {
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impl_to_tokens!(ast::Ident)
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impl_to_tokens!(Gc<ast::Item>)
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impl_to_tokens!(Gc<ast::Pat>)
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impl_to_tokens_lifetime!(&'a [Gc<ast::Item>])
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impl_to_tokens!(ast::Ty)
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impl_to_tokens_lifetime!(&'a [ast::Ty])
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