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Contents
# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2020 Eric Crane. All rights reserved.
#
# A stack of items, a call stack.
#
module Gloo
module Exec
class Stack
attr_accessor :stack
#
# Set up the stack.
#
def initialize( engine, name )
@engine = engine
@name = name
clear_stack
@engine.log.debug "#{name} stack intialized..."
end
#
# Push an item onto the stack.
#
def push( obj )
@engine.log.debug "#{@name}:push #{obj.display_value}"
@stack.push obj
self.update_out_file if @engine.settings.debug
end
#
# Pop an item from the stack.
#
def pop
o = @stack.pop
@engine.log.debug "#{@name}:pop #{o.display_value}"
self.update_out_file if @engine.settings.debug
end
#
# Get the current size of the call stack.
#
def size
return @stack.size
end
#
# Get stack data for output.
#
def out_data
return @stack.map( &:display_value ).join( "\n" )
end
#
# Get the file we'll write debug information for the stack.
#
def out_file
return File.join( @engine.settings.debug_path, @name )
end
#
# Update the stack trace file.
#
def update_out_file
File.write( self.out_file, self.out_data )
end
#
# Clear the stack and the output file.
#
def clear_stack
@stack = []
self.update_out_file
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems