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build: Add support for a SHOW_DIAGNOSTICS build variable.
If enabled, this will attempt to use the CC_LOG_DIAGNOSTICS feature I dropped into Clang to print a log of all the diagnostics generated during an individual build (from the top-level). Not sure if this will actually be useful, but for now it is handy for testing the option. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129312 91177308-0d34-0410-b5e6-96231b3b80d8
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| #!/usr/bin/env python | ||
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| import plistlib | ||
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| def main(): | ||
| from optparse import OptionParser, OptionGroup | ||
| parser = OptionParser("""\ | ||
| usage: %prog [options] <path> | ||
| Utility for dumping Clang-style logged diagnostics.\ | ||
| """) | ||
| (opts, args) = parser.parse_args() | ||
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| if len(args) != 1: | ||
| parser.error("invalid number of arguments") | ||
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| path, = args | ||
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| # Read the diagnostics log. | ||
| f = open(path) | ||
| try: | ||
| data = f.read() | ||
| finally: | ||
| f.close() | ||
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| # Complete the plist (the log itself is just the chunks). | ||
| data = """\ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" \ | ||
| "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | ||
| <plist version="1.0"> | ||
| <array> | ||
| %s | ||
| </array> | ||
| </plist>""" % data | ||
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| # Load the diagnostics. | ||
| diags = plistlib.readPlistFromString(data) | ||
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| # Print out the diagnostics. | ||
| print "**** BUILD DIAGNOSTICS ****" | ||
| for i, file_diags in enumerate(diags): | ||
| file = file_diags.get('main-file') | ||
| print "*** %s ***" % file | ||
| for d in file_diags.get('diagnostics', ()): | ||
| print "%s:%s:%s: %s: %s" % ( | ||
| d.get('filename'), d.get('line'), d.get('column'), | ||
| d.get('level'), d.get('message')) | ||
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| if __name__ == "__main__": | ||
| main() |