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//===--- macro_defined_by_includer.cc - test input file for iwyu ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// IWYU_ARGS: -std=c++11 -DCOMMAND_LINE_TYPE=double \
// -include tests/cxx/macro_defined_by_includer-prefix.h -I .
// Tests a few macro patterns:
// * internal headers guarded by macro defined in designated header;
// * x-macros.
//
// Usually you include a file with a macro and use that macro. But in these
// macro patterns macro is defined by includer and includee doesn't know where
// the macro comes from.
// Test guarded includes.
#include "tests/cxx/macro_defined_by_includer-d1.h"
// IWYU: GuardedInclude1 is...*macro_defined_by_includer-i1.h
GuardedInclude1 g1;
#include "tests/cxx/macro_defined_by_includer-d2.h"
GuardedInclude2 g2;
#include "tests/cxx/macro_defined_by_includer-d3.h"
GuardedInclude3 g3;
GuardedInclude4 g4;
#define DIRECT_INCLUDE_GUARD_5
#include "tests/cxx/macro_defined_by_includer-g5.h"
GuardedInclude5 g5;
// Test x-macros.
#include "tests/cxx/macro_defined_by_includer-d4.h"
#define TYPE int
#include "tests/cxx/macro_defined_by_includer-xmacro.h"
#undef TYPE
// For x-macros we keep all includes even if its content isn't used.
#define TYPE double
#include "tests/cxx/macro_defined_by_includer-xmacro.h"
#undef TYPE
int main() {
// IWYU: f is...*macro_defined_by_includer-i3.h
f(3);
// IWYU: f is...*macro_defined_by_includer-i3.h
f('a');
}
// Test macro defined on command line. Make sure that detecting file defining
// macro works without actual file on disk.
COMMAND_LINE_TYPE x;
// Clang internal <limits.h> defines LLONG_MIN and #include_next system
// <limits.h> which on Mac OS X uses LLONG_MIN.
//
// Test that we don't create a mapping between those 2 <limits.h> and don't try
// to mark system <limits.h> as private.
#include <limits.h>
/**** IWYU_SUMMARY
tests/cxx/macro_defined_by_includer.cc should add these lines:
#include "tests/cxx/macro_defined_by_includer-i1.h"
#include "tests/cxx/macro_defined_by_includer-i3.h"
tests/cxx/macro_defined_by_includer.cc should remove these lines:
- #include <limits.h> // lines XX-XX
- #include "tests/cxx/macro_defined_by_includer-d1.h" // lines XX-XX
- #include "tests/cxx/macro_defined_by_includer-d4.h" // lines XX-XX
The full include-list for tests/cxx/macro_defined_by_includer.cc:
#include "tests/cxx/macro_defined_by_includer-d2.h" // for GuardedInclude2
#include "tests/cxx/macro_defined_by_includer-d3.h" // for GuardedInclude3, GuardedInclude4
#include "tests/cxx/macro_defined_by_includer-g5.h" // for GuardedInclude5
#include "tests/cxx/macro_defined_by_includer-i1.h" // for GuardedInclude1
#include "tests/cxx/macro_defined_by_includer-i3.h" // for f
#include "tests/cxx/macro_defined_by_includer-xmacro.h" // lines XX-XX
#include "tests/cxx/macro_defined_by_includer-xmacro.h" // lines XX-XX
***** IWYU_SUMMARY */
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