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e0ac46e69d
This reverts commit d618f1c3b1.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.
https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy
Differential Revision: https://reviews.llvm.org/D155509
87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
// RUN: %clang_cc1 -x assembler-with-cpp -E %s -o - | FileCheck -strict-whitespace -check-prefix=CHECK-Identifiers-False %s
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#ifndef __ASSEMBLER__
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#error "__ASSEMBLER__ not defined"
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#endif
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// Invalid token pasting is ok.
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#define A X ## .
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1: A
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// CHECK-Identifiers-False: 1: X .
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// Line markers are not linemarkers in .S files, they are passed through.
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# 321
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// CHECK-Identifiers-False: # 321
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// Unknown directives are passed through.
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# B C
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// CHECK-Identifiers-False: # B C
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// Unknown directives are expanded.
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#define D(x) BAR ## x
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# D(42)
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// CHECK-Identifiers-False: # BAR42
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// Unmatched quotes are permitted.
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2: '
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3: "
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// CHECK-Identifiers-False: 2: '
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// CHECK-Identifiers-False: 3: "
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// (balance quotes to keep editors happy): "'
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// Empty char literals are ok.
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4: ''
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// CHECK-Identifiers-False: 4: ''
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// Portions of invalid pasting should still expand as macros.
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// rdar://6709206
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#define M4 expanded
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#define M5() M4 ## (
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5: M5()
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// CHECK-Identifiers-False: 5: expanded (
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// rdar://6804322
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#define FOO(name) name ## $foo
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6: FOO(blarg)
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// CHECK-Identifiers-False: 6: blarg $foo
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// 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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#define FOO(name) name ## $foo
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7: FOO(blarg)
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// CHECK-Identifiers-True: 7: blarg$foo
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//
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#define T6() T6 #nostring
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#define T7(x) T7 #x
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8: T6()
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9: T7(foo)
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// CHECK-Identifiers-True: 8: T6 #nostring
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// CHECK-Identifiers-True: 9: T7 "foo"
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// Concatenation with period doesn't leave a space
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#define T8(A,B) A ## B
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10: T8(.,T8)
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// CHECK-Identifiers-True: 10: .T8
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// This should not crash.
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#define T11(a) #0
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11: T11(b)
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// CHECK-Identifiers-True: 11: #0
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// Universal character names can specify basic ascii and control characters
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12: \u0020\u0030
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// CHECK-Identifiers-False: 12: \u0020\u0030
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// This should not crash
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// rdar://8823139
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# ##
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// CHECK-Identifiers-False: # ##
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#define X(a) # # # 1
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X(1)
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// CHECK-Identifiers-False: # # # 1
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