101             var sym = this.orig[0];
102             if (sym instanceof AST_SymbolClass) return true;
103             if (sym instanceof AST_SymbolDefClass) return true;
104             if (sym instanceof AST_SymbolDefun) return true;
105             if (sym instanceof AST_SymbolLambda) return true;
310             var sym = node.scope.resolve().find_variable("arguments");
311             if (sym && is_arguments(sym)) sym.scope.uses_arguments = 3;
316             var sym = node.scope.find_variable(name);
317             for (var i = in_arg.length; i > 0 && sym;) {
318                 i = in_arg.lastIndexOf(sym.scope, i - 1);
320                 var decl = sym.orig[0];
327                 sym = sym.scope.parent_scope.find_variable(name);
329             if (!sym) {
330                 sym = self.def_global(node);
331             } else if (name == "arguments" && is_arguments(sym)) {
334                     sym.scope.uses_arguments = 3;
335                 } else if (sym.scope.uses_arguments < 2
337                     sym.scope.uses_arguments = 2;
338                 } else if (!sym.scope.uses_arguments) {
339                     sym.scope.uses_arguments = true;
351                 } else if (sym.undeclared) {
355             if (sym.init instanceof AST_LambdaDefinition && sym.scope !== sym.init.name.scope) {
358                     if (scope === sym.init.name.scope) break;
360                 if (!scope) sym.init = undefined;
362             node.thedef = sym;
393     function is_arguments(sym) {  argument
394         return sym.orig[0] instanceof AST_SymbolFunarg
395             && !(sym.orig[1] instanceof AST_SymbolFunarg || sym.orig[2] instanceof AST_SymbolFunarg)
396             && !is_arrow(sym.scope);
402         if (!all(old_def.orig, function(sym) {  argument
403             return !(sym instanceof AST_SymbolConst || sym instanceof AST_SymbolLet);
552     def.forEach(function(sym) {  argument
553         var scope = sym.scope;
632                     defn.name.match_symbol(function(sym) {  argument
633                         if (!(sym instanceof AST_SymbolLet)) return;
634                         var def = sym.definition();
635                         var scope = sym.scope.parent_scope;
636                         var redef = scope.def_variable(sym);
637                         sym.thedef = def;
654                 var sym = new AST_SymbolRef(node.name);
655                 sym.scope = node;
656                 sym.reference(options);
696         var sym = def.orig[0];
699             if (!(sym instanceof AST_SymbolConst)) return false;
702             if (def.scope.parent_scope.find_variable(sym.name)) return false;
703             redef = scope.def_variable(sym);
708         if (sym instanceof AST_SymbolCatch || sym instanceof AST_SymbolConst) {
709             reference(sym);
716         function reference(sym) {  argument
717             sym.thedef = redef;
718             sym.reference(options);
719             sym.thedef = def;
780         def.forEach(function(sym) {  argument
781             if (sym.definition() === def) sym.name = name;