Преглед изворни кода

Move ruby parser to Ripper.

tags/v1.0^2
Benjamin Attal пре 10 година
родитељ
комит
554314c40a
1 измењених фајлова са 74 додато и 112 уклоњено
  1. +74
    -112
      parsers/ruby/lib/parser.rb

+ 74
- 112
parsers/ruby/lib/parser.rb Прегледај датотеку

@@ -1,6 +1,5 @@
require 'socket'
require 'ruby_parser'
require 'sexp_processor'
require 'ripper'
require 'pp'

module Bitshift
class Parser
@@ -9,156 +8,119 @@ module Bitshift
end

def parse
parser = RubyParser.new
tree = parser.parse(@source)
return '{}' if tree.nil?

processor = CachedWalker.new tree
processor.process(tree)
return processor.to_s
# new stuff
walker = TreeWalker.new(@source)
walker.parse
return walker.to_s
end
end

class CachedWalker < SexpProcessor
class TreeWalker < Ripper::SexpBuilder
attr_accessor :symbols

def initialize(tree)
super()

def initialize(source)
ns_hash = Hash.new {
|hash, key|
hash[key] = { assignments: [], uses: [] }
hash[key] = {
:assignments => [], :uses => []
}
}
class_hash = ns_hash.clone
function_hash = ns_hash.clone
var_hash = ns_hash.clone

@require_empty = false
@symbols = {
namespaces: ns_hash,
classes: class_hash,
functions: function_hash,
vars: var_hash
:namespaces => ns_hash,
:classes => class_hash,
:functions => function_hash,
:vars => var_hash
}
end

def block_position(exp)
end_ln = (start_ln = exp.line)
cur_exp = exp

while cur_exp.is_a? Sexp
end_ln = cur_exp.line
cur_exp = cur_exp.last
break if cur_exp == nil
end

pos = [start_ln, -1, end_ln, -1]
return pos
super(source)
end

def statement_position(exp)
pos = Hash.new
end_ln = start_ln = exp.line

pos = [start_ln, -1, end_ln, -1]
return pos
end
def block_position(node)
last_node = node[0]
while last_node.is_a? Array
sp = last_node
while not (last_el = last_node[last_node.count - 1]) or
(last_el.is_a? Array and last_el[last_el.count - 1].nil?)
last_node = last_node[0..last_node.count - 2]
end
last_node = last_el
end

def process_module(exp)
pos = block_position(exp)
exp.shift
last_node = node[0]
while last_node.is_a? Array
ep = last_node
while not (last_el = last_node[last_node.count - 1]) or
(last_el.is_a? Array and last_el[last_el.count - 1].nil?)
last_node = last_node[0..last_node.count - 2]
end
last_node = last_el
end

while (name = exp.shift).is_a? Sexp
if sp == ep
return sp + [sp[0], -1]
end
return sp + ep
end

def on_module(*node)
pos = block_position(node)
name = node[0][1][1]
symbols[:namespaces][name][:assignments] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
return node
end

def process_class(exp)
pos = block_position(exp)
exp.shift

while (name = exp.shift).is_a? Sexp
end

def on_class(*node)
pos = block_position(node)
name = node[0][1][1]
symbols[:classes][name][:assignments] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
return node
end

def process_defn(exp)
pos = block_position(exp)
exp.shift

while (name = exp.shift).is_a? Sexp
end

def on_def(*node)
pos = block_position(node)
name = node[0][1]
symbols[:functions][name][:assignments] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
return node
end

def process_call(exp)
pos = statement_position(exp)
exp.shift
exp.shift

while (name = exp.shift).is_a? Sexp
end

def on_call(*node)
pos = block_position(node)
name = node[node.count - 1][1]
symbols[:functions][name][:uses] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
return node
end

def process_iasgn(exp)
pos = statement_position(exp)
exp.shift

while (name = exp.shift).is_a? Sexp
end

symbols[:vars][name][:assignments] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
def on_vcall(*node)
pos = block_position(node)
name = node[0][1]
symbols[:functions][name][:uses] << pos
return node
end

def process_lasgn(exp)
pos = statement_position(exp)
exp.shift

while (name = exp.shift).is_a? Sexp
end

def on_assign(*node)
pos = block_position(node)
return node if not node[0][0].is_a? Array
name = node[0][0][1]
symbols[:vars][name][:assignments] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
return node
end

def process_attrasgn(exp)
pos = statement_position(exp)
exp.shift

while (name = exp.shift).is_a? Sexp
end

symbols[:vars][((name.to_s)[0..-2]).to_sym][:assignments] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
def on_var_field(*node)
pos = block_position(node)
name = node[0][1]
symbols[:vars][name][:uses] << pos
return node
end

def process_lvar(exp)
pos = statement_position(exp)
exp.shift

while (name = exp.shift).is_a? Sexp
end

def on_var_ref(*node)
pos = block_position(node)
name = node[0][1]
symbols[:vars][name][:uses] << pos
exp.each_sexp {|s| process(s)}
return exp.clear
return node
end

def to_s


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