From 18c54d79699db7554faa851c87d7113db67a8a08 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sun, 27 Oct 2019 14:05:21 +0100
Subject: Separate functions into separate template files

Selection of the desired templates is possible via a new `functions` parameter.
---
 boltzgen.py | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'boltzgen.py')

diff --git a/boltzgen.py b/boltzgen.py
index 2b32661..5224942 100755
--- a/boltzgen.py
+++ b/boltzgen.py
@@ -15,7 +15,8 @@ argparser.add_argument('--geometry',  required = True, help = 'Size of the block
 argparser.add_argument('--tau',       required = True, help = 'BGK relaxation time')
 
 argparser.add_argument('--disable-cse', action = 'store_const', const = True, help = 'Disable common subexpression elimination')
-argparser.add_argument('--extra', action = 'append', nargs = '+', default = [], help = 'Additional generator parameters')
+argparser.add_argument('--functions',   action = 'append', nargs = '+', default = [], help = 'Function templates to be generated')
+argparser.add_argument('--extras',      action = 'append', nargs = '+', default = [], help = 'Additional generator parameters')
 
 args = argparser.parse_args()
 
@@ -29,5 +30,15 @@ generator = Generator(
 
 geometry = Geometry.parse(args.geometry)
 
-src = generator.kernel(args.language, args.precision, args.layout, geometry, sum(args.extra, []))
+functions = sum(args.functions, [])
+if len(functions) == 0:
+    functions += ['default']
+if 'default' in functions:
+    for f in ['collide_and_stream', 'equilibrilize', 'collect_moments', 'momenta_boundary']:
+        functions.insert(functions.index('default'), f)
+    functions.remove('default')
+
+extras = sum(args.extras, [])
+
+src = generator.kernel(args.language, args.precision, args.layout, geometry, functions, extras)
 print(src)
-- 
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