skia2/toolchain/IWYU_mapping.imp
Kevin Lubick 08ece0c9a0 [includes] Enforce IWYU on sksl code
PS1 regenerates the Bazel files. Use it as the base change when
    comparing patchsets.

IWYU seems to do a good job of working with MyFile.cpp and
MyFile.h, but if there is just a MyHeader.h, it doesn't always
seem to throw errors if the includes aren't correct. This was
observed with include/sksl/DSL.h This might be due to the fact
that headers are not compiled on their own, so they are never
sent directly to the IWYU binary.

This change sets enforce_iwyu_on_package() on the all sksl
packages and then fixes the includes until all those checks
are happy. There were a few files that needed fixes outside
of the sksl folder. Examples include:
 - src/gpu/effects/GrConvexPolyEffect.cpp
 - tests/SkSLDSLTest.cpp

To really enforce this, we need to add a CI/CQ job that runs
bazel build //example:hello_world_gl --config=clang \
  --sandbox_base=/dev/shm --features skia_enforce_iwyu

If that failed, a dev could make the changes described in
the logs and/or run the command locally to see those
prescribed fixes.

I had to add several entries to toolchain/IWYU_mapping.imp
in order to fix some private includes and other atypical
choices. I tried adding a rule there to allow inclusion of
SkTypes.h to make sure defines like SK_SUPPORT_GPU, but
could not get it to work for all cases, so I deferred to
using the IWYU pragma: keep (e.g. SkSLPipelineStageCodeGenerator.h)

Change-Id: I4c3e536d8e69ff7ff2d26fe61a525a6c2e80db06
Bug: skia:13052
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/522256
Reviewed-by: John Stiles <johnstiles@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2022-03-21 12:43:02 +00:00

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[
{ include: ["<__algorithm/copy.h>", "private", "<algorithm>", "public"] },
{ include: ["<__algorithm/max.h>", "private", "<algorithm>", "public"] },
{ include: ["<__algorithm/min.h>", "private", "<algorithm>", "public"] },
{ include: ["<__algorithm/remove_if.h>", "private", "<algorithm>", "public"] },
{ include: ["<__algorithm/sort.h>", "private", "<algorithm>", "public"] },
{ include: ["<__algorithm/stable_sort.h>", "private", "<algorithm>", "public"] },
{ include: ["<__functional/function.h>", "private", "<functional>", "public"] },
{ include: ["<__locale>", "private", "<locale>", "public"] },
{ include: ["<__memory/shared_ptr.h>", "private", "<memory>", "public"] },
{ include: ["<__memory/unique_ptr.h>", "private", "<memory>", "public"] },
{ include: ["<__tree>", "private", "<set>", "public"] },
{ symbol: ["va_list", "public", "<stdarg.h>", "public"] },
{ include: ["<string.h>", "public", "<string>", "public"] },
{ symbol: ["std::string", "public", "<string>", "public"] },
{ include: ["<__hash_table>", "private", "<unordered_map>", "public"] },
{ include: ["<__utility/forward.h>", "private", "<utility>", "public"] },
{ include: ["<__utility/move.h>", "private", "<utility>", "public"] },
{ include: ["<__utility/swap.h>", "private", "<utility>", "public"] },
{ include: ["<__utility/pair.h>", "private", "<utility>", "public"] },
]