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# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2020 Eric Crane. All rights reserved.
#
# The execution environment.
# The current state of running scripts and messaging.
#
module Gloo
module Exec
class ExecEnv
attr_accessor :verbs, :actions, :scripts, :here
attr_reader :running_script
VERB_STACK = 'verbs'.freeze
ACTION_STACK = 'actions'.freeze
SCRIPT_STACK = 'scripts'.freeze
HERE_STACK = 'here'.freeze
#
# Set up the execution environment.
#
def initialize( engine )
@engine = engine
@engine.log.debug 'exec env intialized...'
@running_script = nil
@verbs = Gloo::Exec::Stack.new( @engine, VERB_STACK )
@actions = Gloo::Exec::Stack.new( @engine, ACTION_STACK )
@scripts = Gloo::Exec::Stack.new( @engine, SCRIPT_STACK )
@here = Gloo::Exec::Stack.new( @engine, HERE_STACK )
end
#
# Get the here object.
#
def here_obj
return nil if @here.stack.empty?
return @here.stack.last
end
#
# Push a script onto the stack.
#
def push_script( script )
@scripts.push script
@running_script = script
@here.push script.obj
end
#
# Pop a script off the stack.
#
def pop_script
@scripts.pop
@running_script = @scripts.stack.last
@here.pop
end
#
# Push an action onto the stack.
#
def push_action( action )
@actions.push action
# @here.push action.to
end
#
# Pop an action off the stack.
#
def pop_action
@actions.pop
# @here.pop
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems