# HG changeset patch
# User Ryoma SHINYA <shinya@firefly.cr.ie.u-ryukyu.ac.jp>
# Date 1292294999 -32400
# Node ID 14faa199c3bf46f6313e4648d9bbec01b11d1cb2
# Parent  f228eb7791621f214a73906aa41c69c94c8346dd
add --regex option (jitgrep). it's useful when grep complex regexp.

diff -r f228eb779162 -r 14faa199c3bf pyrect/jitgrep.py
--- a/pyrect/jitgrep.py	Tue Dec 14 11:07:30 2010 +0900
+++ b/pyrect/jitgrep.py	Tue Dec 14 11:49:59 2010 +0900
@@ -11,7 +11,7 @@
 def main(argv):
     myusage = """%prog [--buf-size=size] [--dump] [--CbC]
                   [--time] [--debug] [--cc=compiler] [-c]
-                  [-Olevel] regexp [file..] [--out=file]
+                  [-Olevel] regexp [file..] [--out=file] [--regex=file]
                   [--thread=thread_num] [--filter=algorithm]
                   [--disable-booster] [--functional-transition]"""
     psr = OptionParser(usage=myusage)
@@ -22,6 +22,8 @@
 
     psr.add_option("--cc", action="store", type="string", dest="cc", default="gcc", metavar="FILE",
                    help="Choose compiler (default is gcc).")
+    psr.add_option("--regex", action="store", type="string", dest="regex", default="", metavar="FILE",
+                   help="Obtain patterns from file.")
     psr.add_option("-c", action="store_true", dest="compile", default=False , help="compile only.")
     psr.add_option("--buf-size=size", action="store", type="string", dest="bufsize", default="1M" , help="Set read-buffer size (e.x. 1024, 1024K, 2M)")
     psr.add_option("--cflags", action="store", type="string", dest="cflags", default="-O3", help="Print compile/matching time.")
@@ -38,6 +40,14 @@
 
     (opts, args) = psr.parse_args(argv)
 
+    if opts.regex:
+        fd = open(opts.regex, 'r')
+        regex = fd.read().rstrip()
+        fd.close()
+        if len(args) < 3:
+            args.append(args[1])
+        args[1] = regex
+
     if len(args) < 2:
         psr.print_usage()
         return