45 lines
1.2 KiB
Ruby
45 lines
1.2 KiB
Ruby
|
module Virtual
|
||
|
|
|
||
|
|
# Remove all functions that are not called
|
||
|
|
# Not called is approximated by the fact that the method name doesn't show up
|
||
|
|
# in any function reachable from main
|
||
|
|
class Minimizer
|
||
|
|
def run
|
||
|
|
@gonners = []
|
||
|
|
Parfait::Space.object_space.classes.values.each do |c|
|
||
|
|
c.instance_methods.each do |f|
|
||
|
|
@gonners << f
|
||
|
|
end
|
||
|
|
end
|
||
|
|
init= Parfait::Space.object_space.get_class_by_name("Kernel").get_instance_method "__init__"
|
||
|
|
remove init
|
||
|
|
dump_remaining
|
||
|
|
end
|
||
|
|
|
||
|
|
def remove function
|
||
|
|
index = @gonners.index function
|
||
|
|
unless index
|
||
|
|
puts "function was already removed #{ function.name}"
|
||
|
|
return
|
||
|
|
end
|
||
|
|
@gonners.delete function
|
||
|
|
function.info.blocks.each do |block|
|
||
|
|
block.codes.each do |code|
|
||
|
|
if code.is_a? Virtual::MessageSend
|
||
|
|
str_name = code.name.to_s
|
||
|
|
@gonners.each do |stay|
|
||
|
|
remove stay if(stay.name == str_name)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
remove code.method if code.is_a? Virtual::MethodCall
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
def dump_remaining
|
||
|
|
names = @gonners.collect {|f| f.name }
|
||
|
|
puts "Dump #{names}"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|