Struct Parser 

pub struct Parser<'a> { /* private fields */ }

Parser object. The new(…) method creates a new instance.

Implementations

impl<'a> Parser<'a>

pub const MAX_NBR_RECOVERS: u32 = 5

Maximum number of error recoveries attempted when meeting a syntax error

pub const MAX_NBR_LEXER_ERRORS: u32 = 3

pub fn new( num_nt: usize, num_t: usize, alt_var: &'a [u16], alts: Vec<Alternative>, opcodes: Vec<Vec<OpCode>>, init_opcodes: Vec<OpCode>, table: &'a [u16], symbol_table: FixedSymTable, start: u16, ) -> Parser<'a>

pub fn get_symbol_table(&self) -> Option<&FixedSymTable>

Gets a reference to the symbol table, if one is attached.

pub fn set_start(&mut self, start: u16)

Sets the top nonterminal. The parser ends the parsing once the corresponding rule has been entirely parsed.

pub fn set_try_recover(&mut self, try_recover: bool)

Enables or disables the recovery from syntactic or lexical errors.

See also ParserError::TooManyErrors and ParserError::SyntaxError.

pub fn parse_stream<I, L>( &mut self, wrapper: &mut L, stream: I, ) -> Result<(), ParserError>

where I: Iterator<Item = (u16, String, PosSpan)>, L: ListenerWrapper,

Parses the entire stream, calling the (listener) wrapper with the actions that correspond to the parser events.

Returns Ok(()) if the whole stream could be successfully parsed, or an error if it couldn’t.

All errors are reported in the wrapper’s log. Usually, the wrapper simply transmits the reports to the user listener’s log (done in the generated code).