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https://github.com/topjohnwu/cxx.git
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7fae55596e
warning: associated function is never used: `checked_succ`
--> gen/build/src/syntax/discriminant.rs:183:18
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183 | pub const fn checked_succ(self) -> Option<Self> {
| ^^^^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
warning: associated function is never used: `ty`
--> gen/build/src/syntax/tokens.rs:305:12
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305 | pub fn ty(&self) -> ReceiverType {
| ^^
warning: associated function is never used: `ty_self`
--> gen/build/src/syntax/tokens.rs:310:12
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310 | pub fn ty_self(&self) -> ReceiverTypeSelf {
| ^^^^^^^
warning: variant is never constructed: `Foreign`
--> gen/build/src/syntax/mod.rs:122:5
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122 | Foreign { rust_type: Path },
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: associated function is never used: `checked_succ`
--> macro/src/syntax/discriminant.rs:183:18
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183 | pub const fn checked_succ(self) -> Option<Self> {
| ^^^^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
warning: associated function is never used: `is_empty`
--> macro/src/syntax/doc.rs:22:12
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22 | pub fn is_empty(&self) -> bool {
| ^^^^^^^^
warning: associated function is never used: `to_string`
--> macro/src/syntax/doc.rs:26:12
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26 | pub fn to_string(&self) -> String {
| ^^^^^^^^^
warning: associated function is never used: `remove`
--> macro/src/syntax/map.rs:127:16
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127 | pub fn remove<Q>(&mut self, key: &Q) -> Option<V>
| ^^^^^^
warning: associated function is never used: `to_fully_qualified`
--> macro/src/syntax/names.rs:24:12
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24 | pub fn to_fully_qualified(&self) -> String {
| ^^^^^^^^^^^^^^^^^^
warning: associated function is never used: `prefix_with`
--> macro/src/syntax/symbol.rs:44:12
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44 | pub fn prefix_with(&self, prefix: &str) -> Symbol {
| ^^^^^^^^^^^
warning: variant is never constructed: `Foreign`
--> macro/src/syntax/mod.rs:122:5
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122 | Foreign { rust_type: Path },
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
65 lines
1.6 KiB
Rust
65 lines
1.6 KiB
Rust
use crate::syntax::symbol::Segment;
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use crate::syntax::{Lifetimes, NamedType, Pair, Symbol};
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use proc_macro2::{Ident, Span};
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use std::fmt::{self, Display};
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use std::iter;
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use syn::parse::{Error, Result};
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use syn::punctuated::Punctuated;
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#[derive(Clone)]
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pub struct ForeignName {
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text: String,
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}
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impl Pair {
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pub fn to_symbol(&self) -> Symbol {
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let segments = self
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.namespace
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.iter()
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.map(|ident| ident as &dyn Segment)
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.chain(iter::once(&self.cxx as &dyn Segment));
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Symbol::from_idents(segments)
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}
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}
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impl NamedType {
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pub fn new(rust: Ident) -> Self {
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let generics = Lifetimes {
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lt_token: None,
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lifetimes: Punctuated::new(),
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gt_token: None,
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};
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NamedType { rust, generics }
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}
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pub fn span(&self) -> Span {
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self.rust.span()
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}
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}
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impl ForeignName {
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pub fn parse(text: &str, span: Span) -> Result<Self> {
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// TODO: support C++ names containing whitespace (`unsigned int`) or
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// non-alphanumeric characters (`operator++`).
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match syn::parse_str::<Ident>(text) {
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Ok(ident) => {
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let text = ident.to_string();
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Ok(ForeignName { text })
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}
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Err(err) => Err(Error::new(span, err)),
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}
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}
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}
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impl Display for ForeignName {
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fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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formatter.write_str(&self.text)
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}
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}
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impl PartialEq<str> for ForeignName {
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fn eq(&self, rhs: &str) -> bool {
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self.text == rhs
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}
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}
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