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'use strict';
// --------------------------------------------------------------------// Imports// --------------------------------------------------------------------
const common = require('./common');const pexprs = require('./pexprs-main');
// --------------------------------------------------------------------// Operations// --------------------------------------------------------------------
// Returns a string representing the PExpr, for use as a UI label, etc.pexprs.PExpr.prototype.toDisplayString = common.abstract('toDisplayString');
pexprs.Alt.prototype.toDisplayString = pexprs.Seq.prototype.toDisplayString = function() {  if (this.source) {    return this.source.trimmed().contents;  }  return '[' + this.constructor.name + ']';};
pexprs.any.toDisplayString =  pexprs.end.toDisplayString =  pexprs.Iter.prototype.toDisplayString =  pexprs.Not.prototype.toDisplayString =  pexprs.Lookahead.prototype.toDisplayString =  pexprs.Lex.prototype.toDisplayString =  pexprs.Terminal.prototype.toDisplayString =  pexprs.Range.prototype.toDisplayString =  pexprs.Param.prototype.toDisplayString =    function() {      return this.toString();    };
pexprs.Apply.prototype.toDisplayString = function() {  if (this.args.length > 0) {    const ps = this.args.map(arg => arg.toDisplayString());    return this.ruleName + '<' + ps.join(',') + '>';  } else {    return this.ruleName;  }};
pexprs.UnicodeChar.prototype.toDisplayString = function() {  return 'Unicode [' + this.category + '] character';};