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1328: Change TokenSource to iteration based r=matklad a=edwin0cheng
This PR change the `TokenSource` trait from random access to be an iteration based trait:
```rust
/// `TokenSource` abstracts the source of the tokens parser operates one.
///
/// Hopefully this will allow us to treat text and token trees in the same way!
pub trait TokenSource {
fn current(&self) -> Token;
/// Lookahead n token
fn lookahead_nth(&self, n: usize) -> Token;
/// bump cursor to next token
fn bump(&mut self);
/// Is the current token a specified keyword?
fn is_keyword(&self, kw: &str) -> bool;
}
/// `TokenCursor` abstracts the cursor of `TokenSource` operates one.
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct Token {
/// What is the current token?
pub kind: SyntaxKind,
/// Is the current token joined to the next one (`> >` vs `>>`).
pub is_jointed_to_next: bool,
}
```
Note that the refactoring based on this new trait will be separated to incoming PRs
Co-authored-by: Edwin Cheng <[email protected]>
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1317: profile highlighting r=matklad a=matklad
Co-authored-by: Aleksey Kladov <[email protected]>
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1316: Simplify code model r=matklad a=matklad
* remove references from types which are now id-based
* remove api/impl separation, as the impl is a tiny fraction of API anyway
Co-authored-by: Aleksey Kladov <[email protected]>
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1290: Add Union to code_model r=matklad a=matklad
@flodiebold I am conflicted about two possible implementation approaches:
* we can add a separate `struct Union` to code model
* we can add `fn is_union(&self)` to existing `Struct`
This PR goes with the former approach, because it seems like Unions are sufficiently different in semantics to warrant a separate types. Which is in contrast to Syntax Tree, where both structs and unions share the same node kind, because their syntax is the same.
What would be the right thing to do here?
Co-authored-by: Aleksey Kladov <[email protected]>
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1312: Introduce TokenBuffer r=matklad a=edwin0cheng
As discussed in Zulip, this PR Introduce `TokenBuffer` , a safe version of `syn` crate `TokenBuffer` which support cursor based traversal of `tt::TokenTree`. This is the basis of incoming refactoring of `TokenSource` iterator based API.
This PR do the following things:
* Add TokenBuffer in `ra_tt` crate.
* Try to use this new API to refactor the `SubtreeSource` to prove it usage.
Co-authored-by: Edwin Cheng <[email protected]>
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1311: Move NameRef classification logic out of reference_definition r=matklad a=lnicola
Co-authored-by: Laurențiu Nicola <[email protected]>
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- updated the documentation with an example that has no errors with current compiler
- added two example code to test compilation and show in use
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1281: Move arm cond to match guard r=matklad a=unrealhoang
I did split the rename to another commit, yet Github UI still show entirely new file change. Please review using commits.
Co-authored-by: Unreal Hoang <[email protected]>
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This makes sure we don't take too long in trait solving.
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1299: Use ThemeColor and add support for light themes r=matklad a=lnicola
Part of #1294.
- switch to `ThemeColor`
- add light and high contrast theme definitions
- highlight control flow keywords and `unsafe`
Co-authored-by: Laurențiu Nicola <[email protected]>
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1296: :arrow_up: insta r=matklad a=matklad
Co-authored-by: Aleksey Kladov <[email protected]>
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