Struct rustfmt_nightly::macros::MacroArgParser

struct MacroArgParser {
    buf: String,
    lo: BytePos,
    start_tok: Token,
    is_meta_var: bool,
    hi: BytePos,
    last_tok: Token,
    result: Vec<ParsedMacroArg>,
}

Parses macro arguments on macro def.

Fields

buf: String

Either a name of the next metavariable, a separator, or junk.

lo: BytePos

The start position on the current buffer.

start_tok: Token

The first token of the current buffer.

is_meta_var: bool

true if we are parsing a metavariable or a repeat.

hi: BytePos

The position of the last token.

last_tok: Token

The last token parsed.

result: Vec<ParsedMacroArg>

Holds the parsed arguments.

Implementations

impl MacroArgParser

fn new() -> MacroArgParser

fn set_last_tok(&mut self, tok: &TokenTree)

fn add_separator(&mut self)

fn add_other(&mut self)

fn add_meta_variable(&mut self, iter: &mut Cursor) -> Option<()>

fn add_delimited(
    &mut self,
    inner: Vec<ParsedMacroArg>,
    delim: DelimToken,
    span: Span
)

fn add_repeat(
    &mut self,
    inner: Vec<ParsedMacroArg>,
    delim: DelimToken,
    iter: &mut Cursor,
    span: Span
) -> Option<()>

fn update_buffer(&mut self, t: &Token)

fn need_space_prefix(&self) -> bool

fn parse(self, tokens: TokenStream) -> Option<Vec<ParsedMacroArg>>

Returns a collection of parsed macro def’s arguments.

Layout

Note: Most layout information is completely unstable and may be different between compiler versions and platforms. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 112 bytes