Parsers/source-stream-0.rs
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Redesigned SourceStream to be more safe

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This commit is contained in:
Andrew Golovashevich 2025-11-10 11:56:47 +03:00
parent 730742639d
commit 1545ed40e7
2 changed files with 20 additions and 7 deletions
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2
Cargo.toml
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@ -1,5 +1,5 @@
[package] [package]
name = "source_stream_0" name = "source-stream-0"
edition = "2024" edition = "2024"
[lib] [lib]

25
src/lib.rs
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@ -24,10 +24,23 @@ pub trait CollectedSubstring<C> {
fn compareKeyword(&self, kw: impl _Keyword<C>); fn compareKeyword(&self, kw: impl _Keyword<C>);
} }
pub trait SourceStream<C, P: Pos, CS: CollectedSubstring<C>> { pub enum CollectResult<T> {
fn skip(&mut self, predicate: impl Predicate<C>); EOF,
fn collect(&mut self, predicate: impl Predicate<C>) -> CS; NotMatches,
Matches(T)
fn pos(&mut self) -> P; }
fn currentChar(&mut self) -> C;
pub trait SourceStream<C, P: Pos, CS: CollectedSubstring<C>> {
/**
* Returns `true` if the end of stream reached.
*/
fn skip(&mut self, predicate: impl Predicate<C>) -> bool;
fn collect(&mut self, predicate: impl Predicate<C>) -> CollectResult<CS>;
fn pos(&self) -> P;
fn currentChar(&self) -> Option<C>;
fn nextChar(&mut self) -> Option<C>;
fn isEnded(&self) -> bool;
} }