From 4fa41467cb0372645679714f4c2ee70f47742df0 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Thu, 20 Aug 2015 17:59:53 -0500
Subject: [PATCH] Command-line interface: deduce language from extension of
input file
---
bin/loopy | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/bin/loopy b/bin/loopy
index cb223c31a..9d667ec2f 100644
--- a/bin/loopy
+++ b/bin/loopy
@@ -52,7 +52,7 @@ def main():
parser.add_argument("infile")
parser.add_argument("outfile")
- parser.add_argument("--lang", default="loopy")
+ parser.add_argument("--lang")
parser.add_argument("--target")
parser.add_argument("--name")
parser.add_argument("--transform")
@@ -65,13 +65,28 @@ def main():
from warnings import warn
warn("--target option is deprecated and ignored")
+ lang = None
if args.infile == "-":
infile_content = sys.stdin.read()
else:
+ from os.path import splitext
+ _, ext = splitext(args.infile)
+
+ lang = {
+ ".loopy": "loopy",
+ ".floopy": "fortran",
+ }
with open(args.infile, "r") as infile_fd:
infile_content = infile_fd.read()
- if args.lang == "loopy":
+ if args.lang is not None:
+ lang = args.lang
+
+ if lang is None:
+ raise RuntimeError("unable to deduce input language "
+ "(wrong input file extension? --lang flag?)")
+
+ if lang == "loopy":
# {{{ path wrangling
from os.path import dirname, abspath
--
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