rubyx/test/melon/collector.rb

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require_relative '../helper'
require "register/interpreter"
require "parser/ruby22"
require "yaml"
class Walker < AST::Processor
def initialize collector
@collector = collector
end
def on_send node
_ , method , file_node = *node
if method == :require
@collector.load file_node.children[0] + ".rb"
end
if method == :require_relative
@collector.load File.dirname(@collector.current) + "/" + file_node.children[0] + ".rb"
end
handler_missing(node)
end
def handler_missing node
type = node.type
@collector.types[type] += 1
node.children.each do |kid|
process(kid) if kid.is_a? AST::Node
end
end
end
class Collector
def initialize
@parser = Parser::Ruby22
@paths = Bundler.load.specs.collect { |s| s.gem_dir + "/lib/" }
@class_defs = Hash.new([])
@class_uses = Hash.new([])
@types = Hash.new(0)
@not_found = []
@walker = Walker.new(self)
@files = []
@current = nil
end
attr_reader :class_defs , :class_uses , :types , :current
def file_content file_name
return nil if @files.include? file_name
@paths.each do |name|
next unless File.exist? name + file_name
@files << file_name
return File.open(name + file_name).read
end
nil
end
def run
load "salama.rb"
load "parser/ruby22.rb"
load "../../../.rbenv/versions/2.2.3/lib/ruby/2.2.0/racc/parser.rb"
print
end
def load file
str = file_content(file)
return @not_found.push(file) unless str
ast = @parser.parse str
was = @current
@current = file
@walker.process ast
@current = was
end
def print
puts "Class defs #{@class_defs.length}"
puts "Class uses #{@class_uses.length}"
#puts "Types #{@types.to_yaml}"
#puts "files #{@files.to_yaml}"
#puts "Not found #{@not_found.length} #{@not_found.join(' ')}"
end
end
Collector.new.run