clang/test/Sema/ast-print.c

   1 // RUN: %clang_cc1 %s -ast-print -verify > %t.c
   2 // RUN: FileCheck %s --input-file %t.c
   3 //
   4 // RUN: echo >> %t.c "// expected""-warning@* {{use of GNU old-style field designator extension}}"
   5 // RUN: echo >> %t.c "// expected""-warning@* {{'EnumWithAttributes' is deprecated}}"
   6 // RUN: echo >> %t.c "// expected""-note@* {{'EnumWithAttributes' has been explicitly marked deprecated here}}"
   7 // RUN: echo >> %t.c "// expected""-warning@* {{'EnumWithAttributes2' is deprecated}}"
   8 // RUN: echo >> %t.c "// expected""-note@* {{'EnumWithAttributes2' has been explicitly marked deprecated here}}"
   9 // RUN: echo >> %t.c "// expected""-warning@* {{'EnumWithAttributes3' is deprecated}}"
  10 // RUN: echo >> %t.c "// expected""-note@* {{'EnumWithAttributes3' has been explicitly marked deprecated here}}"
  11 // RUN: %clang_cc1 -fsyntax-only %t.c -verify
  12
  13 typedef void func_typedef(void);
  14 func_typedef xxx;
  15
  16 typedef void func_t(int x);
  17 func_t a;
  18
  19 struct blah {
  20   struct {
  21     struct {
  22       int b;
  23     };
  24   };
  25 };
  26
  27 // This used to crash clang.
  28 struct {
  29 }(s1);
  30
  31 int foo(const struct blah *b) {
  32   // CHECK: return b->b;
  33   return b->b;
  34 }
  35
  36 int arr(int a[static 3]) {
  37   // CHECK: int a[static 3]
  38   return a[2];
  39 }
  40
  41 int rarr(int a[restrict static 3]) {
  42   // CHECK: int a[restrict static 3]
  43   return a[2];
  44 }
  45
  46 int varr(int n, int a[static n]) {
  47   // CHECK: int a[static n]
  48   return a[2];
  49 }
  50
  51 int rvarr(int n, int a[restrict static n]) {
  52   // CHECK: int a[restrict static n]
  53   return a[2];
  54 }
  55
  56 // CHECK: typedef struct {
  57 typedef struct {
  58   int f;
  59 } T __attribute__ ((__aligned__));
  60
  61 // CHECK: struct __attribute__((visibility("default"))) S;
  62 struct __attribute__((visibility("default"))) S;
  63
  64 struct pair_t {
  65   int a;
  66   int b;
  67 };
  68
  69 // CHECK: struct pair_t p = {a: 3, .b = 4};
  70 struct pair_t p = {a: 3, .b = 4}; // expected-warning {{use of GNU old-style field designator extension}}
  71
  72 void initializers(void) {
  73   // CHECK: int *x = ((void *)0), *y = ((void *)0);
  74   int *x = ((void *)0), *y = ((void *)0);
  75   struct Z{};
  76   struct {
  77     struct Z z;
  78   // CHECK: } z = {(struct Z){}};
  79   } z = {(struct Z){}};
  80 }
  81
  82 // CHECK-LABEL: enum __attribute__((deprecated(""))) EnumWithAttributes {
  83 enum EnumWithAttributes { // expected-warning {{'EnumWithAttributes' is deprecated}}
  84   // CHECK-NEXT: EnumWithAttributesFoo __attribute__((deprecated(""))),
  85   EnumWithAttributesFoo __attribute__((deprecated)),
  86   // CHECK-NEXT: EnumWithAttributesBar __attribute__((unavailable(""))) = 50
  87   EnumWithAttributesBar __attribute__((unavailable)) = 50
  88   // CHECK-NEXT: } *EnumWithAttributesPtr;
  89 } __attribute__((deprecated)) *EnumWithAttributesPtr; // expected-note {{'EnumWithAttributes' has been explicitly marked deprecated here}}
  90
  91 // CHECK-LABEL: enum __attribute__((deprecated(""))) EnumWithAttributes2 *EnumWithAttributes2Ptr;
  92 // expected-warning@+2 {{'EnumWithAttributes2' is deprecated}}
  93 // expected-note@+1 {{'EnumWithAttributes2' has been explicitly marked deprecated here}}
  94 enum __attribute__((deprecated)) EnumWithAttributes2 *EnumWithAttributes2Ptr;
  95
  96 // CHECK-LABEL: EnumWithAttributes3Fn
  97 void EnumWithAttributes3Fn(void) {
  98   // CHECK-NEXT: enum __attribute__((deprecated(""))) EnumWithAttributes3 *EnumWithAttributes3Ptr;
  99   // expected-warning@+2 {{'EnumWithAttributes3' is deprecated}}
 100   // expected-note@+1 {{'EnumWithAttributes3' has been explicitly marked deprecated here}}
 101   enum __attribute__((deprecated)) EnumWithAttributes3 *EnumWithAttributes3Ptr;
 102   // Printing must not put the attribute after the tag where it would apply to
 103   // the variable instead of the type, and then our deprecation warning would
 104   // move to this use of the variable.
 105   void *p = EnumWithAttributes3Ptr;
 106 }