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 num_symbols(&self) -> usize

pub fn add_rule_ext( &mut self, lhs: SymIdx, condition: ParamCond, rhs: Vec<(SymIdx, ParamExpr)>, ) -> Result<(), Error>

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

pub fn link_gen_grammar( &mut self, lhs: SymIdx, grammar: SymIdx, ) -> Result<(), Error>

pub fn check_empty_symbol_parametric_ok(&self, sym: SymIdx) -> Result<(), Error>

pub fn check_empty_symbol(&self, sym: SymIdx) -> Result<(), Error>

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

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

pub fn set_temperature(&mut self, lhs: SymIdx, temp: f32)

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

pub fn apply_node_props(&mut self, lhs: SymIdx, props: NodeProps)

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

pub fn sym_props(&self, sym: SymIdx) -> &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, limits: &ParserLimits, ) -> Result<CGrammar, Error>

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

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

pub fn stats(&self) -> String

pub fn to_string(&self, lexer_spec: Option<&LexerSpec>) -> String

pub fn rename_symbol(&mut self, idx: SymIdx, name: &str)

Trait Implementations

impl Clone for Grammar

fn clone(&self) -> Grammar

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Grammar

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

Formats the value using the given formatter.