[llvm-commits] [llvm] r85014 - /llvm/trunk/utils/lit/TestRunner.py

[Daniel Dunbar]

Author: ddunbar
Date: Sat Oct 24 15:32:49 2009
New Revision: 85014

URL: http://llvm.org/viewvc/llvm-project?rev=85014&view=rev
Log:
lit: Support '>>' redirections when executing scripts internally.

Modified:
    llvm/trunk/utils/lit/TestRunner.py

Modified: llvm/trunk/utils/lit/TestRunner.py
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/lit/TestRunner.py?rev=85014&r1=85013&r2=85014&view=diff

==============================================================================
--- llvm/trunk/utils/lit/TestRunner.py (original)
+++ llvm/trunk/utils/lit/TestRunner.py Sat Oct 24 15:32:49 2009
@@ -63,21 +63,30 @@
     # output. This is null until we have seen some output using
     # stderr.
     for i,j in enumerate(cmd.commands):
+        # Apply the redirections, we use (N,) as a sentinal to indicate stdin,
+        # stdout, stderr for N equal to 0, 1, or 2 respectively. Redirects to or
+        # from a file are represented with a list [file, mode, file-object]
+        # where file-object is initially None.
         redirects = [(0,), (1,), (2,)]
         for r in j.redirects:
             if r[0] == ('>',2):
                 redirects[2] = [r[1], 'w', None]
+            elif r[0] == ('>>',2):
+                redirects[2] = [r[1], 'a', None]
             elif r[0] == ('>&',2) and r[1] in '012':
                 redirects[2] = redirects[int(r[1])]
             elif r[0] == ('>&',) or r[0] == ('&>',):
                 redirects[1] = redirects[2] = [r[1], 'w', None]
             elif r[0] == ('>',):
                 redirects[1] = [r[1], 'w', None]
+            elif r[0] == ('>>',):
+                redirects[1] = [r[1], 'a', None]
             elif r[0] == ('<',):
                 redirects[0] = [r[1], 'r', None]
             else:
                 raise NotImplementedError,"Unsupported redirect: %r" % (r,)
 
+        # Map from the final redirections to something subprocess can handle.
         final_redirects = []
         for index,r in enumerate(redirects):
             if r == (0,):