Merge lp:~jjacobs/pymeta/generate-parser-stdin into lp:pymeta

[Jonathan Jacobs]

[lp:~jjacobs/pymeta/generate-parser-stdin]

67. By Jonathan Jacobs on 2010-10-26

Also allow "-" to mean stdout for the second paramater to generate_parser.

Unmerged revisions

67. By Jonathan Jacobs on 2010-10-26

Also allow "-" to mean stdout for the second paramater to generate_parser.

66. By Jonathan Jacobs on 2010-10-26

Accept "-" (meaning stdin) as a filename parameter to generate_parser.

=== modified file 'bin/generate_parser'
--- bin/generate_parser	2010-05-15 18:56:45 +0000
+++ bin/generate_parser	2014-01-15 23:03:32 +0000
@@ -9,8 +9,15 @@
  print "Usage: generate_grammar grammar-filename python-filename"
  sys.exit(1)
 
-grammarFile = open(sys.argv[1], 'r')
-pythonFile =  open(sys.argv[2], 'w')
+if sys.argv[1] == '-':
+    grammarFile = sys.stdin
+else:
+    grammarFile = open(sys.argv[1], 'r')
+
+if sys.argv[2] == '-':
+    pythonFile = sys.stdout
+else:
+    pythonFile =  open(sys.argv[2], 'w')
 
 g = BootOMetaGrammar(grammarFile.read())
 tree = g.parseGrammar("Parser", TreeBuilder)