1 // RUN: %clang_cc1 -x assembler-with-cpp -E %s -o - | FileCheck -strict-whitespace -check-prefix=CHECK-Identifiers-False %s 2 3 #ifndef __ASSEMBLER__ 4 #error "__ASSEMBLER__ not defined" 5 #endif 6 7 8 // Invalid token pasting is ok. 9 #define A X ## . 10 1: A 11 // CHECK-Identifiers-False: 1: X . 12 13 // Line markers are not linemarkers in .S files, they are passed through. 14 # 321 15 // CHECK-Identifiers-False: # 321 16 17 // Unknown directives are passed through. 18 # B C 19 // CHECK-Identifiers-False: # B C 20 21 // Unknown directives are expanded. 22 #define D(x) BAR ## x 23 # D(42) 24 // CHECK-Identifiers-False: # BAR42 25 26 // Unmatched quotes are permitted. 27 2: ' 28 3: " 29 // CHECK-Identifiers-False: 2: ' 30 // CHECK-Identifiers-False: 3: " 31 32 // (balance quotes to keep editors happy): "' 33 34 // Empty char literals are ok. 35 4: '' 36 // CHECK-Identifiers-False: 4: '' 37 38 39 // Portions of invalid pasting should still expand as macros. 40 // rdar://6709206 41 #define M4 expanded 42 #define M5() M4 ## ( 43 44 5: M5() 45 // CHECK-Identifiers-False: 5: expanded ( 46 47 // rdar://6804322 48 #define FOO(name) name ## $foo 49 6: FOO(blarg) 50 // CHECK-Identifiers-False: 6: blarg $foo 51 52 // RUN: %clang_cc1 -x assembler-with-cpp -fdollars-in-identifiers -E %s -o - | FileCheck -check-prefix=CHECK-Identifiers-True -strict-whitespace %s 53 #define FOO(name) name ## $foo 54 7: FOO(blarg) 55 // CHECK-Identifiers-True: 7: blarg$foo 56 57 // 58 #define T6() T6 #nostring 59 #define T7(x) T7 #x 60 8: T6() 61 9: T7(foo) 62 // CHECK-Identifiers-True: 8: T6 #nostring 63 // CHECK-Identifiers-True: 9: T7 "foo" 64 65 // Concatenation with period doesn't leave a space 66 #define T8(A,B) A ## B 67 10: T8(.,T8) 68 // CHECK-Identifiers-True: 10: .T8 69 70 // This should not crash. 71 #define T11(a) #0 72 11: T11(b) 73 // CHECK-Identifiers-True: 11: #0 74 75 // Universal character names can specify basic ascii and control characters 76 12: \u0020\u0030\u0080\u0000 77 // CHECK-Identifiers-False: 12: \u0020\u0030\u0080\u0000 78 79 // This should not crash 80 // rdar://8823139 81 # ## 82 // CHECK-Identifiers-False: # ## 83 84 #define X(a) # # # 1 85 X(1) 86 // CHECK-Identifiers-False: # # # 1 87