Struct Grammar

pub struct Grammar { /* private fields */ }

Implementations

impl Grammar

pub fn new(name: Option<String>) -> Grammar

pub fn start(&self) -> SymIdx

pub fn is_small(&self) -> bool

pub fn add_rule(&mut self, lhs: SymIdx, rhs: Vec<SymIdx>) -> Result<(), Error>

pub fn make_terminal( &mut self, lhs: SymIdx, lex: LexemeIdx, lexer_spec: &LexerSpec, ) -> Result<(), Error>

pub fn make_gen_grammar( &mut self, lhs: SymIdx, data: GenGrammarOptions, ) -> Result<(), Error>

pub fn sym_props_mut(&mut self, sym: SymIdx) -> &mut SymbolProps

pub fn sym_name(&self, sym: SymIdx) -> &str

pub fn optimize(&self) -> Grammar

pub fn name(&self) -> Option<&str>

pub fn compile(&self, lexer_spec: LexerSpec) -> CGrammar

pub fn resolve_grammar_refs( &mut self, lexer_spec: &mut LexerSpec, ctx: &HashMap<GrammarId, (SymIdx, LexemeClass)>, ) -> Result<(), Error>

pub fn apply_props(&mut self, sym: SymIdx, props: SymbolProps)

pub fn fresh_symbol(&mut self, name0: &str) -> SymIdx

pub fn fresh_symbol_ext(&mut self, name0: &str, symprops: SymbolProps) -> SymIdx

pub fn stats(&self) -> String

Trait Implementations

impl Debug for Grammar

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.