1 /* Clang supports a very limited subset of -traditional-cpp, basically we only 2 * intend to add support for things that people actually rely on when doing 3 * things like using /usr/bin/cpp to preprocess non-source files. */ 4 5 /* 6 RUN: %clang_cc1 -traditional-cpp %s -E -o %t 7 RUN: FileCheck -strict-whitespace < %t %s 8 RUN: %clang_cc1 -traditional-cpp %s -E -C | FileCheck -check-prefix=CHECK-COMMENTS %s 9 */ 10 11 /* -traditional-cpp should eliminate all C89 comments. */ 12 /* CHECK-NOT: /* 13 * CHECK-COMMENTS: {{^}}/* -traditional-cpp should eliminate all C89 comments. *{{/$}} 14 */ 15 16 /* CHECK: {{^}}foo // bar{{$}} 17 */ 18 foo // bar 19 20 21 /* The lines in this file contain hard tab characters and trailing whitespace; 22 * do not change them! */ 23 24 /* CHECK: {{^}} indented!{{$}} 25 * CHECK: {{^}}tab separated values{{$}} 26 */ 27 indented! 28 tab separated values 29 30 #define bracket(x) >>>x<<< 31 bracket(| spaces |) 32 /* CHECK: {{^}}>>>| spaces |<<<{{$}} 33 */ 34 35 /* This is still a preprocessing directive. */ 36 # define foo bar 37 foo! 38 - 39 foo! foo! 40 /* CHECK: {{^}}bar!{{$}} 41 * CHECK: {{^}} bar! bar! {{$}} 42 */ 43 44 /* Deliberately check a leading newline with spaces on that line. */ 45 46 # define foo bar 47 foo! 48 - 49 foo! foo! 50 /* CHECK: {{^}}bar!{{$}} 51 * CHECK: {{^}} bar! bar! {{$}} 52 */ 53 54 /* FIXME: -traditional-cpp should not consider this a preprocessing directive 55 * because the # isn't in the first column. 56 */ 57 #define foo2 bar 58 foo2! 59 /* If this were working, both of these checks would be on. 60 * CHECK-NOT: {{^}} #define foo2 bar{{$}} 61 * CHECK-NOT: {{^}}foo2!{{$}} 62 */ 63 64 /* FIXME: -traditional-cpp should not homogenize whitespace in macros. 65 */ 66 #define bracket2(x) >>> x <<< 67 bracket2(spaces) 68 /* If this were working, this check would be on. 69 * CHECK-NOT: {{^}}>>> spaces <<<{{$}} 70 */ 71 72 73 /* Check that #if 0 blocks work as expected */ 74 #if 0 75 #error "this is not an error" 76 77 #if 1 78 a b c in skipped block 79 #endif 80 81 /* Comments are whitespace too */ 82 83 #endif 84 /* CHECK-NOT: {{^}}a b c in skipped block{{$}} 85 * CHECK-NOT: {{^}}/* Comments are whitespace too 86 */ 87 88 Preserve URLs: http://clang.llvm.org 89 /* CHECK: {{^}}Preserve URLs: http://clang.llvm.org{{$}} 90 */ 91
