| /* 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){{$}} |
| */ |
| |
| #define BAR_NO_STRINGIFY(a) test(#a) |
| BAR_NO_STRINGIFY(foobar) |
| /* CHECK: {{^}}test(#foobar){{$}} |
| */ |
