JacobNinja

(defn unsafe-deserialization? [node]
  (and (call-with-receiver-node? node)
       (eq-receiver? node "YAML")
       (some #(eq-method-name? node %)
             ["load" "load_documents" "load_stream" "parse_documents" "parse_stream"])))

JacobNinja

2.1.1 :001 > def test(foo:)
2.1.1 :002?>   puts foo
2.1.1 :003?>   end
 => :test
2.1.1 :004 > test()
ArgumentError: missing keyword: foo

JacobNinja

jacob@Ninja:$ bin/benchmark_rails
Rehearsal ------------------------------------
 "Codeminer encountered 2 errors parsing 1711 files"
  6.520000   0.040000   6.560000 (  6.564404)

"RubyParser encountered 26 errors parsing 1711 files"
 17.110000   0.240000  17.350000 ( 17.340777)
-------------------------- total: 23.910000sec

       user     system      total        real

JacobNinja

class RenameTableToLongerName < ActiveRecord::Migration
  def change
    remove_index :table, name: 'index_table_on_something_id'
    remove_index :table, name: 'index_table_on_something_id'
    rename_table :table, :incredibly_long_table_name_overflowing_index_length
    add_index :incredibly_long_table_name_overflowing_index_length, :something_id, name: 'index_iltnoil_on_something_id'
    add_index :incredibly_long_table_name_overflowing_index_length, :something_id, name: 'index_iltnoil_on_something_id'
  end
end

JacobNinja

# Example 1: Swap the consequence and else statements in an if expression

if_node = CodeMiner.parse(<<-RUBY).each.first
if foo
  begin
    do_something
  end
else
  do_something_else
end

JacobNinja

Parse results for Rails

       user     system      total        real
 "Codeminer parse results: 0 parse errors, 0 runtime errors, 1621 files total"
  7.760000   0.080000   7.840000 (  7.980644)
 "Codeminer sexp results: 0 parse errors, 0 runtime errors, 1621 files total"
 11.080000   0.040000  11.120000 ( 11.136238)
 "Codeminer (RubyParser compatible) sexp results: 0 parse errors, 0 runtime errors, 1621 files total"
 11.250000   0.070000  11.320000 ( 11.317630)
 "Codeminer flog results: 0 parse errors, 0 runtime errors, 1621 files total"

JacobNinja

class NilClass
  def to_a
    p 'calling to_a within NilClass'
    []
  end
end

# irb(main):017:0> [*nil]
# "calling to_a within NilClass"
# => []

JacobNinja

irb(main):002:0> Ripper.sexp "'foo'"
=> [:program, [[:string_literal, [:string_content, [:@tstring_content, "foo", [1, 1]]]]]]
irb(main):003:0> Ripper.sexp '"foo"'
=> [:program, [[:string_literal, [:string_content, [:@tstring_content, "foo", [1, 1]]]]]]
irb(main):004:0> Ripper.sexp '"#{foo}"'
=> [:program, [[:string_literal, [:string_content, [:string_embexpr, [[:vcall, [:@ident, "foo", [1, 3]]]]]]]]]

JacobNinja

; Add the resulting vector to `:aot` on your dev profile

(def directory ".")

(defn- read-file [file]
  (binding [*read-eval* false]
    (read-string (slurp file))))

(defn- require-form? [form]
  (and (seq? form) 

JacobNinja

;; Core

(defn- maplast 
  "Apply map-fn to the last element in s
   unless s contains only 1 element"
  [map-fn s]
  (if (> (count s) 1)
    (conj (vec (butlast s))
          (map-fn (last s)))
    s))