assembler-with-cpp.c revision ba3ca5271a01eae7cbd6a19ace004d75012c02a8 
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 ## .
101: 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.
272: '
283: "
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.
354: ''
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
445: M5()
45// CHECK-Identifiers-False: 5: expanded (
46
47// rdar://6804322
48#define FOO(name)  name ## $foo
496: 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 ## $foo
547: FOO(blarg)
55// CHECK-Identifiers-True: 7: blarg$foo
56
57//
58#define T6() T6 #nostring
59#define T7(x) T7 #x
608: T6()
619: 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
6710: T8(.,T8)
68// CHECK-Identifiers-True: 10: .T8
69
70// This should not crash.
71#define T11(a) #0
7211: T11(b)
73// CHECK-Identifiers-True: 11: #0
74
75
76// This should not crash
77// rdar://8823139
78# ##
79// CHECK-Identifiers-False: # ##
80