110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
|
/* 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){{$}}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define BAR_NO_STRINGIFY(a) test(#a)
|
||
|
|
BAR_NO_STRINGIFY(foobar)
|
||
|
|
/* CHECK: {{^}}test(#foobar){{$}}
|
||
|
|
*/
|