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lit: Support '>>' redirections when executing scripts internally.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85014 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2009-10-24 20:32:49 +00:00
parent d1478006d2
commit a3f85d206a
1 changed files with 9 additions and 0 deletions
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9
utils/lit/TestRunner.py
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@@ -63,21 +63,30 @@ def executeShCmd(cmd, cfg, cwd, results):
# output. This is null until we have seen some output using # output. This is null until we have seen some output using
# stderr. # stderr.
for i,j in enumerate(cmd.commands): 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,)] redirects = [(0,), (1,), (2,)]
for r in j.redirects: for r in j.redirects:
if r[0] == ('>',2): if r[0] == ('>',2):
redirects[2] = [r[1], 'w', None] 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': elif r[0] == ('>&',2) and r[1] in '012':
redirects[2] = redirects[int(r[1])] redirects[2] = redirects[int(r[1])]
elif r[0] == ('>&',) or r[0] == ('&>',): elif r[0] == ('>&',) or r[0] == ('&>',):
redirects[1] = redirects[2] = [r[1], 'w', None] redirects[1] = redirects[2] = [r[1], 'w', None]
elif r[0] == ('>',): elif r[0] == ('>',):
redirects[1] = [r[1], 'w', None] redirects[1] = [r[1], 'w', None]
elif r[0] == ('>>',):
redirects[1] = [r[1], 'a', None]
elif r[0] == ('<',): elif r[0] == ('<',):
redirects[0] = [r[1], 'r', None] redirects[0] = [r[1], 'r', None]
else: else:
raise NotImplementedError,"Unsupported redirect: %r" % (r,) raise NotImplementedError,"Unsupported redirect: %r" % (r,)
# Map from the final redirections to something subprocess can handle.
final_redirects = [] final_redirects = []
for index,r in enumerate(redirects): for index,r in enumerate(redirects):
if r == (0,): if r == (0,):