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