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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/serde_derive/src/internals/ctxt.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/serde_derive/src/internals/ctxt.rs')
-rw-r--r--vendor/serde_derive/src/internals/ctxt.rs68
1 files changed, 0 insertions, 68 deletions
diff --git a/vendor/serde_derive/src/internals/ctxt.rs b/vendor/serde_derive/src/internals/ctxt.rs
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--- a/vendor/serde_derive/src/internals/ctxt.rs
+++ /dev/null
@@ -1,68 +0,0 @@
-use quote::ToTokens;
-use std::cell::RefCell;
-use std::fmt::Display;
-use std::thread;
-
-/// A type to collect errors together and format them.
-///
-/// Dropping this object will cause a panic. It must be consumed using `check`.
-///
-/// References can be shared since this type uses run-time exclusive mut checking.
-#[derive(Default)]
-pub struct Ctxt {
- // The contents will be set to `None` during checking. This is so that checking can be
- // enforced.
- errors: RefCell<Option<Vec<syn::Error>>>,
-}
-
-impl Ctxt {
- /// Create a new context object.
- ///
- /// This object contains no errors, but will still trigger a panic if it is not `check`ed.
- pub fn new() -> Self {
- Ctxt {
- errors: RefCell::new(Some(Vec::new())),
- }
- }
-
- /// Add an error to the context object with a tokenenizable object.
- ///
- /// The object is used for spanning in error messages.
- pub fn error_spanned_by<A: ToTokens, T: Display>(&self, obj: A, msg: T) {
- self.errors
- .borrow_mut()
- .as_mut()
- .unwrap()
- // Curb monomorphization from generating too many identical methods.
- .push(syn::Error::new_spanned(obj.into_token_stream(), msg));
- }
-
- /// Add one of Syn's parse errors.
- pub fn syn_error(&self, err: syn::Error) {
- self.errors.borrow_mut().as_mut().unwrap().push(err);
- }
-
- /// Consume this object, producing a formatted error string if there are errors.
- pub fn check(self) -> syn::Result<()> {
- let mut errors = self.errors.borrow_mut().take().unwrap().into_iter();
-
- let mut combined = match errors.next() {
- Some(first) => first,
- None => return Ok(()),
- };
-
- for rest in errors {
- combined.combine(rest);
- }
-
- Err(combined)
- }
-}
-
-impl Drop for Ctxt {
- fn drop(&mut self) {
- if !thread::panicking() && self.errors.borrow().is_some() {
- panic!("forgot to check for errors");
- }
- }
-}