pub trait Tokens: Clone + Iterator<Item = TokenAndSpan> {
Show 13 methods // Required methods fn set_ctx(&mut self, ctx: Context); fn ctx(&self) -> Context; fn syntax(&self) -> Syntax; fn target(&self) -> EsVersion; fn set_expr_allowed(&mut self, allow: bool); fn set_next_regexp(&mut self, start: Option<BytePos>); fn token_context(&self) -> &TokenContexts; fn token_context_mut(&mut self) -> &mut TokenContexts; fn set_token_context(&mut self, _c: TokenContexts); fn add_error(&self, error: Error); fn add_module_mode_error(&self, error: Error); fn take_errors(&mut self) -> Vec<Error>; // Provided method fn start_pos(&self) -> BytePos { ... }
}
Expand description

Clone should be cheap if you are parsing typescript because typescript syntax requires backtracking.

Required Methods§

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fn set_ctx(&mut self, ctx: Context)

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fn ctx(&self) -> Context

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fn syntax(&self) -> Syntax

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fn target(&self) -> EsVersion

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fn set_expr_allowed(&mut self, allow: bool)

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fn set_next_regexp(&mut self, start: Option<BytePos>)

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fn token_context(&self) -> &TokenContexts

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fn token_context_mut(&mut self) -> &mut TokenContexts

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fn set_token_context(&mut self, _c: TokenContexts)

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fn add_error(&self, error: Error)

Implementors should use Rc<RefCell<Vec>>.

It is required because parser should backtrack while parsing typescript code.

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fn add_module_mode_error(&self, error: Error)

Add an error which is valid syntax in script mode.

This errors should be dropped if it’s not a module.

Implementor should check for if Context.module, and buffer errors if module is false. Also, implementors should move errors to the error buffer on set_ctx if the parser mode become module mode.

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fn take_errors(&mut self) -> Vec<Error>

Provided Methods§

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fn start_pos(&self) -> BytePos

Object Safety§

This trait is not object safe.

Implementors§