import {abstract} from './common.js';import * as pexprs from './pexprs-main.js';
pexprs.PExpr.prototype.substituteParams = abstract('substituteParams');
pexprs.any.substituteParams = pexprs.end.substituteParams = pexprs.Terminal.prototype.substituteParams = pexprs.Range.prototype.substituteParams = pexprs.UnicodeChar.prototype.substituteParams = function(actuals) { return this; };
pexprs.Param.prototype.substituteParams = function(actuals) { return actuals[this.index];};
pexprs.Alt.prototype.substituteParams = function(actuals) { return new pexprs.Alt(this.terms.map(term => term.substituteParams(actuals)));};
pexprs.Seq.prototype.substituteParams = function(actuals) { return new pexprs.Seq(this.factors.map(factor => factor.substituteParams(actuals)));};
pexprs.Iter.prototype.substituteParams = pexprs.Not.prototype.substituteParams = pexprs.Lookahead.prototype.substituteParams = pexprs.Lex.prototype.substituteParams = function(actuals) { return new this.constructor(this.expr.substituteParams(actuals)); };
pexprs.Apply.prototype.substituteParams = function(actuals) { if (this.args.length === 0) { return this; } else { const args = this.args.map(arg => arg.substituteParams(actuals)); return new pexprs.Apply(this.ruleName, args); }};