llvm-project/clang/test/Index/index-pch.cpp
Saleem Abdulrasool 729379a1e1 Driver: hoist the wchar_t handling to the driver
Move the logic for determining the `wchar_t` type information into the
driver.  Rather than passing the single bit of information of
`-fshort-wchar` indicate to the frontend the desired type of `wchar_t`
through a new `-cc1` option of `-fwchar-type` and indicate the
signedness through `-f{,no-}signed-wchar`.  This replicates the current
logic which was spread throughout Basic into the
`RenderCharacterOptions`.

Most of the changes to the tests are to ensure that the frontend uses
the correct type.  Add a new test set under `test/Driver/wchar_t.c` to
ensure that we calculate the proper types for the various cases.

llvm-svn: 315126
2017-10-06 23:09:55 +00:00

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// RUN: c-index-test -write-pch %t.pch -fwchar-type=short -fno-signed-wchar %s
// RUN: env LIBCLANG_NOTHREADS=1 c-index-test -index-tu %t.pch | FileCheck %s
// CHECK: [indexDeclaration]: kind: variable | name: wideStr
const wchar_t *wideStr = L"123";
// CHECK: [indexDeclaration]: kind: struct | name: __is_void
struct __is_void {};