LangScan

DESCRIPTION:

program analyzer for source code search engine

FEATURES/PROBLEMS:

  • Support Languages
  • C
  • C++
  • C#
  • Java
  • JavaScript
  • Ruby
  • Python
  • PHP
  • Perl
  • Objective Caml
  • Brainfuck
  • CSS
  • Shell Script
  • Emacs Lisp
  • Scheme
  • Plain Text
  • Io
  • Lua
  • Eiffel

SYNOPSIS:

Example1

% cat -n hello.c 1 #include <stdio.h> 2 3 int main(int argc, char **argv) 4 { 5 printf("Hello World.\n"); 6 return 0; 7 } % ruby -rlangscan/c -e 'LangScan::C.scan(ARGF.readlines.join) {|f| p f}' < hello.c #<LangScan::Fragment space " " 1 (8)> #<LangScan::Fragment ident "stdio" 1 (10)> #<LangScan::Fragment punct "." 1 (15)> #<LangScan::Fragment space "\n" 2 (19)> #<LangScan::Fragment space " " 3 (23)> #<LangScan::Fragment preproc_beg "#" 1 (0)> #<LangScan::Fragment ident "include" 1 (1)> ...

Example2

% cat -n display_fundef.rb 1 require 'langscan' 2 3 # display all function definitions. 4 ARGV.each {|arg| 5 next unless scanner = LangScan.choose(arg) 6 scanner.scan(File.open(arg).readlines.join) {|f| 7 if f.type == :fundef 8 puts f.text 9 end 10 } 11 } % ruby display_fundef.rb hello.c main

REQUIREMENTS:

  • Ruby 1.8.2+
  • Perl + PPI module (for source codes written in Perl)
  • OCaml (for source codes written in OCaml)

INSTALL:

  • sudo gem install langscan

LICENSE:

Copyright (C) 2004-2005 Satoru Takabayashi [email protected] All rights reserved. This is free software with ABSOLUTELY NO WARRANTY.

You can redistribute it and/or modify it under the terms of the GNU General Public License version 2.

AUTHORS:

see 'AUTHORS.txt'