51 lines
1.1 KiB
Rust
51 lines
1.1 KiB
Rust
mod _keyword_impls;
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mod parser_func;
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mod builder_type_t;
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pub trait Predicate<C> {
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fn check(&mut self, chr: C) -> bool;
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}
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pub trait Pos<'pos> {}
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impl Pos<'static> for () {}
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impl Pos<'static> for usize {}
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pub trait KeywordComparatorIterator<'keyword, C> {
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fn consume(&mut self, c: C) -> bool;
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}
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pub trait Keyword<'keyword, C> {
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fn startComparation(
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&self,
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expectedLen: usize,
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) -> Option<impl KeywordComparatorIterator<'keyword, C>>;
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}
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pub trait CollectedSubstring<'source, C> {
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fn compareKeyword<'keyword>(&self, kw: impl Keyword<'keyword, C>) -> bool;
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}
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pub enum CollectResult<T> {
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EOF,
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NotMatches,
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Matches(T),
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}
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pub trait SourceStream<'source, 'pos, C, P: Pos<'pos>, CS: CollectedSubstring<'source, C>> {
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/**
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* Returns `true` if the end of stream reached.
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*/
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fn skip(&mut self, predicate: &mut impl Predicate<C>) -> bool;
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fn collect(&mut self, predicate: &mut impl Predicate<C>) -> CollectResult<CS>;
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fn pos(&self) -> P;
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fn currentChar(&self) -> Option<C>;
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fn nextChar(&mut self) -> Option<C>;
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fn isEnded(&mut self) -> bool {
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return self.currentChar().is_none();
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}
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}
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