package ruke.vrj.util;

import ruke.vrj.Symbol;
import ruke.vrj.SymbolFlag;

/**
 * MIT License
 *
 * Copyright (c) 2017 Franco Montenegro
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
public class NameGenerator {

  public static String to(final Symbol symbol) {
    final Symbol parent = symbol.parent;

    if (parent != null && parent.flags.contains(SymbolFlag.STRUCT)) {
      return String.format("%s_%s", parent.name, symbol.name);
    }

    return symbol.name;
  }

}

package ruke.vrj.util;

import ruke.vrj.Symbol;
import ruke.vrj.SymbolFlag;

/**
 * MIT License
 *
 * Copyright (c) 2017 Franco Montenegro
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
public class NameGenerator {

  public static String to(final Symbol symbol) {
    final Symbol parent = symbol.parent;

    if (parent != null) {
      final boolean mustUsePrefix =
          parent.flags.contains(SymbolFlag.STRUCT) ||
          parent.flags.contains(SymbolFlag.LIBRARY) ||
          parent.flags.contains(SymbolFlag.SCOPE);

      if (mustUsePrefix) {
        return String.format("%s_%s", parent.name, symbol.name);
      }
    }

    return symbol.name;
  }

}

Update name generator to add prefix to scopes & libraries