[Commits] [wesnoth/wesnoth] 6366b1: Implement WFL function symbol table inheritance

[GitHub]

  Branch: refs/heads/wfl_action_callable
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 6366b13e590208c4298efefefa6092ecce2b647e
      https://github.com/wesnoth/wesnoth/commit/6366b13e590208c4298efefefa6092ecce2b647e
  Author: Celtic Minstrel <celtic.minstrel.ca at some.place>
  Date:   2017-04-02 (Sun, 02 Apr 2017)

  Changed paths:
    M src/ai/formula/function_table.cpp
    M src/formula/formula.cpp
    M src/formula/function.cpp
    M src/formula/function.hpp

  Log Message:
  -----------
  Implement WFL function symbol table inheritance

This also adds a new intermediary "action" function table between the
FormulaAI function table and the builtins function table.

This "actions" function table could be used in other areas of the code
where action objects are desired, for example in scenario events or
in the GUI2 Canvas.