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Move path printing to a pub(crate) function

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This commit is contained in:
David Tolnay 2022-03-27 14:18:26 -07:00
parent d5450934f8
commit 390e0c12f4
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GPG Key ID: F9BA143B95FF6D82
4 changed files with 32 additions and 34 deletions
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2
src/expr.rs
View File

@ -3369,7 +3369,7 @@ pub(crate) mod printing {
impl ToTokens for ExprPath {
fn to_tokens(&self, tokens: &mut TokenStream) {
outer_attrs_to_tokens(&self.attrs, tokens);
private::print_path(tokens, &self.qself, &self.path);
path::printing::print_path(tokens, &self.qself, &self.path);
}
}

2
src/pat.rs
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@ -827,7 +827,7 @@ mod printing {
impl ToTokens for PatPath {
fn to_tokens(&self, tokens: &mut TokenStream) {
tokens.append_all(self.attrs.outer());
private::print_path(tokens, &self.qself, &self.path);
path::printing::print_path(tokens, &self.qself, &self.path);
}
}

60
src/path.rs
View File

@ -684,7 +684,7 @@ pub mod parsing {
}
#[cfg(feature = "printing")]
mod printing {
pub(crate) mod printing {
use super::*;
use crate::print::TokensOrDefault;
use proc_macro2::TokenStream;
@ -835,39 +835,37 @@ mod printing {
}
}
impl private {
pub(crate) fn print_path(tokens: &mut TokenStream, qself: &Option<QSelf>, path: &Path) {
let qself = match qself {
Some(qself) => qself,
None => {
path.to_tokens(tokens);
return;
}
};
qself.lt_token.to_tokens(tokens);
qself.ty.to_tokens(tokens);
pub(crate) fn print_path(tokens: &mut TokenStream, qself: &Option<QSelf>, path: &Path) {
let qself = match qself {
Some(qself) => qself,
None => {
path.to_tokens(tokens);
return;
}
};
qself.lt_token.to_tokens(tokens);
qself.ty.to_tokens(tokens);
let pos = cmp::min(qself.position, path.segments.len());
let mut segments = path.segments.pairs();
if pos > 0 {
TokensOrDefault(&qself.as_token).to_tokens(tokens);
path.leading_colon.to_tokens(tokens);
for (i, segment) in segments.by_ref().take(pos).enumerate() {
if i + 1 == pos {
segment.value().to_tokens(tokens);
qself.gt_token.to_tokens(tokens);
segment.punct().to_tokens(tokens);
} else {
segment.to_tokens(tokens);
}
let pos = cmp::min(qself.position, path.segments.len());
let mut segments = path.segments.pairs();
if pos > 0 {
TokensOrDefault(&qself.as_token).to_tokens(tokens);
path.leading_colon.to_tokens(tokens);
for (i, segment) in segments.by_ref().take(pos).enumerate() {
if i + 1 == pos {
segment.value().to_tokens(tokens);
qself.gt_token.to_tokens(tokens);
segment.punct().to_tokens(tokens);
} else {
segment.to_tokens(tokens);
}
} else {
qself.gt_token.to_tokens(tokens);
path.leading_colon.to_tokens(tokens);
}
for segment in segments {
segment.to_tokens(tokens);
}
} else {
qself.gt_token.to_tokens(tokens);
path.leading_colon.to_tokens(tokens);
}
for segment in segments {
segment.to_tokens(tokens);
}
}
}

2
src/ty.rs
View File

@ -1163,7 +1163,7 @@ mod printing {
#[cfg_attr(doc_cfg, doc(cfg(feature = "printing")))]
impl ToTokens for TypePath {
fn to_tokens(&self, tokens: &mut TokenStream) {
private::print_path(tokens, &self.qself, &self.path);
path::printing::print_path(tokens, &self.qself, &self.path);
}
}