Struct syntax::parse::lexer::StringReader [] [src]

pub struct StringReader<'a> {
    pub sess: &'a ParseSess,
    pub next_pos: BytePos,
    pub pos: BytePos,
    pub col: CharPos,
    pub ch: Option<char>,
    pub filemap: Rc<FileMap>,
    pub terminator: Option<BytePos>,
    pub save_new_lines_and_multibyte: bool,
    pub peek_tok: Token,
    pub peek_span: Span,
    pub fatal_errs: Vec<DiagnosticBuilder<'a>>,
    pub override_span: Option<Span>,
    // some fields omitted
}
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Fields

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The absolute offset within the codemap of the next character to read

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The absolute offset within the codemap of the current character

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The column of the next character to read

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The current character (which has been read from self.pos)

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If Some, stop reading the source at this position (inclusive).

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Whether to record new-lines and multibyte chars in filemap. This is only necessary the first time a filemap is lexed. If part of a filemap is being re-lexed, this should be set to false.

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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🔬 This is a nightly-only experimental API. (rustc_private)

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Methods

impl<'a> StringReader<'a>
[src]

[src]

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impl<'a> StringReader<'a>
[src]

[src]

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[src]

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Return the next token. EFFECT: advances the string_reader.

[src]

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[src]

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impl<'a> StringReader<'a>
[src]

[src]

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For comments.rs, which hackily pokes into next_pos and ch

[src]

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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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[src]

🔬 This is a nightly-only experimental API. (rustc_private)

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[src]

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Report a fatal lexical error with a given span.

[src]

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Report a lexical error with a given span.

[src]

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Calls f with a string slice of the source text spanning from start up to but excluding self.pos, meaning the slice does not include the character self.ch.

[src]

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Create a Name from a given offset to the current offset, each adjusted 1 towards each other (assumes that on either side there is a single-byte delimiter).

[src]

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As name_from, with an explicit endpoint.

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Advance the StringReader by one character. If a newline is discovered, add it to the FileMap's list of line start offsets.

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[src]

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[src]

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