Method create_name

source/python.js:8807–8837

(candidate, obj)

                this._base_count = {};
            }
            create_name(candidate, obj) {
                if (obj && this._obj_to_name.has(obj)) {
                    return self._obj_to_name.get(obj);
                }
                candidate = candidate || '_unnamed';
                candidate = /^\d+$/.test(candidate) ? `_${candidate}` : candidate;
                candidate = candidate.replace(/[^0-9a-zA-Z_]+/, '_');
                const match = candidate.match(/(.*)_(\d+)$"/);
                let base = candidate;
                let num = null;
                if (match) {
                    [, base] = match;
                    num = parseInt(match[2], 10);
                }
                candidate = num ? `${base}_${num}` : base;
                if (!num) {
                    num = this._base_count[base] || 0;
                }
                while (this._used_names.has(candidate) || this._is_illegal_name(candidate, obj)) {
                    num += 1;
                    candidate = `${base}_${num}`;
                }
                this._used_names.add(candidate);
                this._base_count[base] = num;
                if (obj) {
                    this._obj_to_name[obj] = candidate;
                } else {
                    this._unassociated_names.add(candidate);
                }
                return candidate;
            }
            _is_illegal_name(/* name, obj */) {
                /*
                if name in keyword.kwlist: