The host libstdc++ may be horribly broken and we want the fake one to be
picked up. This workaround is lame but I don't see a better way.
llvm-svn: 254446
the case where a specific range is replaced by new text. Previously,
the calculation would shift any position from within a replaced region
to the first character after the region. This is undersirable, e.g. for
clang-format's include sorting.
llvm-svn: 253859
This provides both a more uniform interface and makes libclang behave like
clang tooling wrt relative paths against argv[0]. This is necessary for
finding paths to a c++ standard library relative to a clang binary given
in a compilation database. It can also be used to find paths relative to
libclang.so if the full path to it is passed in.
Differential Revision: http://reviews.llvm.org/D14695
llvm-svn: 253466
Currently clang requires several additional command
line options in order to enable new features needed
during CUDA compilation. This patch makes these
options default.
* Automatically include cuda_runtime.h if we've found
a valid CUDA installation.
* Disable automatic CUDA header inclusion during unit tests.
* Added test case for command line construction.
* Enabled target overloads and relaxed call checks that are
needed in order to include CUDA headers.
* Added CUDA-7.5 installation path to the CUDA installation search list.
* Define __CUDA__ macro to indicate CUDA compilation.
llvm-svn: 253389
This has seen quite some usage and I am not aware of any issues. Also
add a style option to enable/disable include sorting. The existing
command line flag can from now on be used to override whatever is set
in the style.
llvm-svn: 253202
Summary:
This is needed to handle per-project configurations when adding extra
arguments in clang-tidy for example.
Reviewers: klimek, djasper
Subscribers: djasper, cfe-commits, klimek
Differential Revision: http://reviews.llvm.org/D14191
llvm-svn: 252134
Summary:
The hasBase and hasIndex don't tell anything about the position of the
base and the index in the code, so we need hasLHS and hasRHS in some cases.
Reviewers: klimek
Subscribers: klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D14212
llvm-svn: 251842
unaffected lines with incorrect initial indent.
Starting from:
namespace {
int i; // There shouldn't be indentation here.
int j; // <- call clang-format on this line.
}
Before:
namespace {
int i;
int j;
}
After:
namespace {
int i;
int j;
}
llvm-svn: 251824
Summary:
With this change, clang-format stops formatting when either it leaves
the current scope or when it comes back to the initial scope after
going into a nested one.
Reviewers: klimek
Subscribers: cfe-commits, klimek
Differential Revision: http://reviews.llvm.org/D14213
llvm-svn: 251760
Summary: This matchers are going to be used in modernize-use-default, but are generic enough to be placed in ASTMatchers.h.
Reviewers: klimek
Subscribers: alexfh, cfe-commits, klimek
Differential Revision: http://reviews.llvm.org/D14152
llvm-svn: 251693
Correct handling for C++17 inline namespaces. We would previously fail to
identify the inline namespaces as a namespace name since multiple ones may be
concatenated now with C++17.
llvm-svn: 251690
Summary: This is especially important so that if a change is solely inserting a block around a few statements, clang-format-diff.py will still clean up and add indentation to the inner parts.
Reviewers: klimek
Subscribers: cfe-commits, klimek
Differential Revision: http://reviews.llvm.org/D14105
llvm-svn: 251474
If the user configured clang with a custom GCC toolchain that will take precedence on what the ToolChainTest.cpp expects to evaluate.
This is fixed here by passing --gcc-toolchain= to the driver, in order to override any user defined GCC toolchain.
llvm-svn: 251459
Specifically, don't wrap between the {} of an empty constructor if the
"}" falls on column 81 and ConstructorInitializerAllOnOneLineOrOnePerLine
is set.
llvm-svn: 251406
Summary:
If this option is set, clang-format will always insert a line wrap, e.g.
before the first parameter of a function call unless all parameters fit
on the same line. This obviates the need to make a decision on the
alignment itself.
Use this style for Google's JavaScript style and add some minor tweaks
to correctly handle nested blocks etc. with it. Don't use this option
for for/while loops.
Reviewers: klimek
Subscribers: klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D14104
llvm-svn: 251405
This relands r250831 after some fixes to shrink the ParentMap overall
with one addtional tweak: nodes with pointer identity (e.g. Decl* and
friends) can be store more efficiently so I put them in a separate map.
All other nodes (so far only TypeLoc and NNSLoc) go in a different map
keyed on DynTypedNode. This further uglifies the code but significantly
reduces memory overhead.
Overall this change still make ParentMap significantly larger but it's
nowhere as bad as before. I see about 25 MB over baseline (pre-r251008)
on X86ISelLowering.cpp. If this becomes an issue we could consider
splitting the maps further as DynTypedNode is still larger (32 bytes)
than a single TypeLoc (16 bytes) but I didn't want to introduce even
more complexity now.
Differential Revision: http://reviews.llvm.org/D14011
llvm-svn: 251101
One problem in clang-tidy and other clang tools face is that there is no
way to lookup an arbitrary name in the AST, that's buried deep inside Sema
and might not even be what the user wants as the new name may be freshly
inserted and not available in the AST.
A common use case for lookups is replacing one nested name with another
while minimizing namespace qualifications, so replacing 'ns::foo' with
'ns::bar' will use just 'bar' if we happen to be inside the namespace 'ns'.
This adds a little helper utility for exactly that use case.
Differential Revision: http://reviews.llvm.org/D13931
llvm-svn: 251022
clang accepts both #include and #import for includes (the latter having an
implicit header guard). Let clang-format interleave both types if
--sort-includes is passed. #import is used frequently in Objective-C code.
http://reviews.llvm.org/D13853
llvm-svn: 250909
The MemoizationData cache was introduced to avoid a series of enum
compares at the cost of making DynTypedNode bigger. This change reverts
to using an enum compare but instead of building a chain of comparison
the enum values are reordered so the check can be performed with a
simple greater than. The alternative would be to steal a bit from the
enum but I think that's a more complex solution and not really needed
here.
I tried this on several large .cpp files with clang-tidy and didn't
notice any performance difference. The test change is due to matchers
being sorted by their node kind.
Differential Revision: http://reviews.llvm.org/D13946
llvm-svn: 250905
Putting DynTypedNode in the ParentMap bloats its memory foot print.
Before the void* key had 8 bytes, now we're at 40 bytes per key which
can mean multiple gigabytes increase for large ASTs and this count
doesn't even include all the added TypeLoc nodes. Revert until I come
up with a better data structure.
This reverts commit r250831.
llvm-svn: 250889
Firstly this changes the type of parent map to be keyed on DynTypedNode to
simplify the following changes. This comes with a DenseMapInfo for
DynTypedNode, which is a bit incomplete still and will probably only work
for parentmap right now.
Then the RecursiveASTVisitor in ASTContext is updated and finally
ASTMatchers hasParent and hasAncestor learn about the new functionality.
Now ParentMap is only missing TemplateArgumentLocs and CXXCtorInitializers.
Differential Revision: http://reviews.llvm.org/D13897
llvm-svn: 250831
Summary: It breaks the build for the ASTMatchers
Subscribers: klimek, cfe-commits
Differential Revision: http://reviews.llvm.org/D13893
llvm-svn: 250827
Chris Bieneman