[cfe-dev] python libclang

[Laszlo Nagy]

i've already made a bug report on it...

  http://llvm.org/bugs/show_bug.cgi?id=15274


On Thu, Feb 21, 2013 at 10:39 PM, Argyrios Kyrtzidis <akyrtzi at gmail.com>wrote:

> On Feb 11, 2013, at 7:53 AM, Laszlo Nagy <rizsotto.mailinglist at gmail.com>
> wrote:
>
> > Hi,
> >
> > I'm trying to use python binding to libclang to generate include graphs.
> I took the example program
> (bindings/python/examples/cindex/cindex-includes.py) and add support to
> read a JSON compilation database, therefore I can have include graph for a
> whole project.
> >
> > Now, I'm running against the Clang project. And it fails... I compiled
> Clang with itself. Without any problem... My tool read the
> `compile_commands.json` generated by cmake and pass all arguments (except
> the compiler and the module). So it supposes to run the same as it was by
> clang... And this is not happen with any modules, it compiles all LLVM code
> and the majority of Clang.
> >
> > Any hints how can I fix it? Or make it reproducible for a bug report?
>
> The "c-index-test" tool can be used to test libclang on a source file, e.g
> c-index-test -test-load-source all <arguments>
> will parse using the given compiler arguments and emit information about
> the translation unit.
> If you can reproduce a crash using some compiler arguments, then you can
> try creating a preprocessed file and reducing that.
>
> >
> > Regards,
> > Laszlo
> >
> >
> > The related JSON file entry looks like this:
> >
> > {
> >   "directory":
> "/home/laszlona/Programming/llvm-svn.src/build/tools/clang/lib/Serialization",
> >   "command": "/home/laszlona/Programming/llvm-svn/usr/local/bin/clang++
>   -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS
> -D__STDC_LIMIT_MACROS -D_GNU_SOURCE -DCLANG_ENABLE_ARCMT
> -DCLANG_ENABLE_REWRITER -DCLANG_ENABLE_STATIC_ANALYZER  -fPIC
> -fvisibility-inlines-hidden -Wno-nested-anon-types -Wcovered-switch-default
> -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic
> -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings -fno-rtti -O2
> -g
> -I/home/laszlona/Programming/llvm-svn.src/build/tools/clang/lib/Serialization
> -I/home/laszlona/Programming/llvm-svn.src/tools/clang/lib/Serialization
> -I/home/laszlona/Programming/llvm-svn.src/tools/clang/include
> -I/home/laszlona/Programming/llvm-svn.src/build/tools/clang/include
> -I/home/laszlona/Programming/llvm-svn.src/build/include
> -I/home/laszlona/Programming/llvm-svn.src/include    -Wall -W
> -Wno-unused-parameter -Wwrite-strings -Wmissing-field-initializers
> -pedantic -Wno-long-long -fno-exceptions -o
> CMakeFiles/clangSerialization.dir/ASTWriterStmt.cpp.o -c
> /home/laszlona/Programming/llvm-svn.src/tools/clang/lib/Serialization/ASTWriterStmt.cpp",
> >   "file":
> "/home/laszlona/Programming/llvm-svn.src/tools/clang/lib/Serialization/ASTWriterStmt.cpp"
> > },
> >
> >
> > The error report looks like this:
> >
> > python:
> /home/laszlona/Programming/llvm-svn.src/tools/clang/lib/Sema/SemaInit.cpp:3153:
> clang::OverloadingResult TryRefInitWithConversionFunction(clang::Sema&,
> const clang::InitializedEntity&, const clang::InitializationKind&,
> clang::Expr*, bool, clang::InitializationSequence&): Assertion
> `!S.CompareReferenceRelationship(Initializer->getLocStart(), T1, T2,
> DerivedToBase, ObjCConversion, ObjCLifetimeConversion) && "Must have
> incompatible references when binding via conversion"' failed.
> > libclang: crash detected during parsing: {
> >   'source_filename' :
> '/home/laszlona/Programming/llvm-svn.src/tools/clang/lib/Serialization/ASTWriterStmt.cpp'
> >   'command_line_args' : ['-D_GNU_SOURCE', '-D_DEBUG',
> '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS',
> '-D__STDC_LIMIT_MACROS', '-D_GNU_SOURCE', '-DCLANG_ENABLE_ARCMT',
> '-DCLANG_ENABLE_REWRITER', '-DCLANG_ENABLE_STATIC_ANALYZER', '-fPIC',
> '-fvisibility-inlines-hidden', '-Wno-nested-anon-types',
> '-Wcovered-switch-default', '-fno-common', '-Woverloaded-virtual',
> '-Wcast-qual', '-fno-strict-aliasing', '-pedantic', '-Wno-long-long',
> '-Wall', '-W', '-Wno-unused-parameter', '-Wwrite-strings', '-fno-rtti',
> '-O2', '-g',
> '-I/home/laszlona/Programming/llvm-svn.src/build/tools/clang/lib/Serialization',
> '-I/home/laszlona/Programming/llvm-svn.src/tools/clang/lib/Serialization',
> '-I/home/laszlona/Programming/llvm-svn.src/tools/clang/include',
> '-I/home/laszlona/Programming/llvm-svn.src/build/tools/clang/include',
> '-I/home/laszlona/Programming/llvm-svn.src/build/include',
> '-I/home/laszlona/Programming/llvm-svn.src/include', '-Wall', '-W',
> '-Wno-unused-parameter', '-Wwrite-strings', '-Wmissing-field-initializers',
> '-pedantic', '-Wno-long-long', '-fno-exceptions', '-o',
> 'CMakeFiles/clangSerialization.dir/ASTWriterStmt.cpp.o', '-c'],
> >   'unsaved_files' : [],
> >   'options' : 0,
> > }
> > Traceback (most recent call last):
> >   File "./bin/include_graph_to_gexf.py", line 107, in <module>
> >     pool.apply(compile_module_to_queue, args=(q, m))
> >   File "/usr/lib64/python2.7/multiprocessing/pool.py", line 220, in apply
> >     return self.apply_async(func, args, kwds).get()
> >   File "/usr/lib64/python2.7/multiprocessing/pool.py", line 528, in get
> >     raise self._value
> > AssertionError
> > Exception ctypes.ArgumentError: "argument 1: <type
> 'exceptions.AttributeError'>: 'TranslationUnit' object has noProcess
> Process-2:
> > Traceback (most recent call last):
> >   File "/usr/lib64/python2.7/multiprocessing/process.py", line 258, in
> _bootstrap
> >     self.run()
> >   File "/usr/lib64/python2.7/multiprocessing/process.py", line 114, in
> run
> >     self._target(*self._args, **self._kwargs)
> >   File "./bin/include_graph_to_gexf.py", line 76, in
> build_graph_from_queue
> >     for e in iter(queue.get, 'STOP'):
> >   File "<string>", line 2, in get
> >   File "/usr/lib64/python2.7/multiprocessing/managers.py", line 759, in
> _callmethod
> >     kind, result = conn.recv()
> > EOFError
> >
> > _______________________________________________
> > cfe-dev mailing list
> > cfe-dev at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>
>
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