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/* Clang supports a very limited subset of -traditional-cpp, basically we only
* intend to add support for things that people actually rely on when doing
* things like using /usr/bin/cpp to preprocess non-source files. */
/*
RUN: %clang_cc1 -traditional-cpp %s -E | FileCheck -strict-whitespace %s
RUN: %clang_cc1 -traditional-cpp %s -E -C | FileCheck -check-prefix=CHECK-COMMENTS %s
RUN: %clang_cc1 -traditional-cpp -x c++ %s -E | FileCheck -check-prefix=CHECK-CXX %s
*/
/* -traditional-cpp should eliminate all C89 comments. */
/* CHECK-NOT: /*
* CHECK-COMMENTS: {{^}}/* -traditional-cpp should eliminate all C89 comments. *{{/$}}
*/
/* -traditional-cpp should only eliminate "//" comments in C++ mode. */
/* CHECK: {{^}}foo // bar{{$}}
* CHECK-CXX: {{^}}foo {{$}}
*/
foo // bar
/* The lines in this file contain hard tab characters and trailing whitespace;
* do not change them! */
/* CHECK: {{^}} indented!{{$}}
* CHECK: {{^}}tab separated values{{$}}
*/
indented!
tab separated values
#define bracket(x) >>>x<<<
bracket(| spaces |)
/* CHECK: {{^}}>>>| spaces |<<<{{$}}
*/
/* This is still a preprocessing directive. */
# define foo bar
foo!
-
foo! foo!
/* CHECK: {{^}}bar!{{$}}
* CHECK: {{^}} bar! bar! {{$}}
*/
/* Deliberately check a leading newline with spaces on that line. */
# define foo bar
foo!
-
foo! foo!
/* CHECK: {{^}}bar!{{$}}
* CHECK: {{^}} bar! bar! {{$}}
*/
/* FIXME: -traditional-cpp should not consider this a preprocessing directive
* because the # isn't in the first column.
*/
#define foo2 bar
foo2!
/* If this were working, both of these checks would be on.
* CHECK-NOT: {{^}} #define foo2 bar{{$}}
* CHECK-NOT: {{^}}foo2!{{$}}
*/
/* FIXME: -traditional-cpp should not homogenize whitespace in macros.
*/
#define bracket2(x) >>> x <<<
bracket2(spaces)
/* If this were working, this check would be on.
* CHECK-NOT: {{^}}>>> spaces <<<{{$}}
*/
/* Check that #if 0 blocks work as expected */
#if 0
#error "this is not an error"
#if 1
a b c in skipped block
#endif
/* Comments are whitespace too */
#endif
/* CHECK-NOT: {{^}}a b c in skipped block{{$}}
* CHECK-NOT: {{^}}/* Comments are whitespace too
*/
Preserve URLs: http://clang.llvm.org
/* CHECK: {{^}}Preserve URLs: http://clang.llvm.org{{$}}
*/
/* The following tests ensure we ignore # and ## in macro bodies */
#define FOO_NO_STRINGIFY(a) test(# a)
FOO_NO_STRINGIFY(foobar)
/* CHECK: {{^}}test(# foobar){{$}}
*/
#define FOO_NO_PASTE(a, b) test(b##a)
FOO_NO_PASTE(xxx,yyy)
/* CHECK: {{^}}test(yyy##xxx){{$}}
*/
#define BAR_NO_STRINGIFY(a) test(#a)
BAR_NO_STRINGIFY(foobar)
/* CHECK: {{^}}test(#foobar){{$}}
*/
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