IntelliJ-IdeaVim/src/com/maddyhome/idea/vim/vimscript/model/VimContext.kt

/*
 * IdeaVim - Vim emulator for IDEs based on the IntelliJ platform
 * Copyright (C) 2003-2021 The IdeaVim authors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

package com.maddyhome.idea.vim.vimscript.model

import com.maddyhome.idea.vim.vimscript.model.datatypes.VimDataType
import java.util.*

class VimContext {
  val locations: Deque<CurrentLocation> = LinkedList()
  val functionVariables: Deque<MutableMap<String, VimDataType>> = LinkedList()
  val localVariables: Deque<MutableMap<String, VimDataType>> = LinkedList()

  init {
    locations.push(CurrentLocation.SCRIPT)
  }

  fun enterFunction() {
    locations.push(CurrentLocation.FUNCTION)
    localVariables.push(mutableMapOf())
    functionVariables.push(mutableMapOf())
  }

  fun leaveFunction() {
    locations.pop()
    localVariables.pop()
    functionVariables.pop()
  }

  fun getScriptName(): String {
    return ".ideavimrc"
  }
}

enum class CurrentLocation {
  FUNCTION, // default variable scope is "l:"
  SCRIPT, // default variable scope is "g:"
}