package parser import spec "github.com/nihei9/vartan/spec/grammar" type grammarImpl struct { g *spec.CompiledGrammar } func NewGrammar(g *spec.CompiledGrammar) *grammarImpl { return &grammarImpl{ g: g, } } func (g *grammarImpl) InitialState() int { return g.g.Syntactic.InitialState } func (g *grammarImpl) StartProduction() int { return g.g.Syntactic.StartProduction } func (g *grammarImpl) RecoverProduction(prod int) bool { return g.g.Syntactic.RecoverProductions[prod] != 0 } func (g *grammarImpl) Action(state int, terminal int) int { return g.g.Syntactic.Action[state*g.g.Syntactic.TerminalCount+terminal] } func (g *grammarImpl) GoTo(state int, lhs int) int { return g.g.Syntactic.GoTo[state*g.g.Syntactic.NonTerminalCount+lhs] } func (g *grammarImpl) AlternativeSymbolCount(prod int) int { return g.g.Syntactic.AlternativeSymbolCounts[prod] } func (g *grammarImpl) TerminalCount() int { return g.g.Syntactic.TerminalCount } func (g *grammarImpl) SkipTerminal(terminal int) bool { return g.g.Syntactic.TerminalSkip[terminal] == 1 } func (g *grammarImpl) ErrorTrapperState(state int) bool { return g.g.Syntactic.ErrorTrapperStates[state] != 0 } func (g *grammarImpl) NonTerminal(nonTerminal int) string { return g.g.Syntactic.NonTerminals[nonTerminal] } func (g *grammarImpl) LHS(prod int) int { return g.g.Syntactic.LHSSymbols[prod] } func (g *grammarImpl) EOF() int { return g.g.Syntactic.EOFSymbol } func (g *grammarImpl) Error() int { return g.g.Syntactic.ErrorSymbol } func (g *grammarImpl) Terminal(terminal int) string { return g.g.Syntactic.Terminals[terminal] } func (g *grammarImpl) ASTAction(prod int) []int { return g.g.ASTAction.Entries[prod] }