clang/test/AST/ast-print-record-decl.c

   1 // Check struct:
   2 //
   3 //   First check compiling and printing of this file.
   4 //
   5 //   RUN: %clang -target x86_64-linux -Xclang -verify -S -emit-llvm \
   6 //   RUN:        -DKW=struct -DBASES= -o - %s \
   7 //   RUN: | FileCheck --check-prefixes=CHECK,LLVM %s
   8 //
   9 //   RUN: %clang_cc1 -verify -ast-print -DKW=struct -DBASES= %s > %t.c
  10 //   RUN: FileCheck --check-prefixes=CHECK,PRINT -DKW=struct -DBASES= \
  11 //   RUN:           %s --input-file %t.c
  12 //
  13 //   Now check compiling and printing of the printed file.
  14 //
  15 //   RUN: echo "// expected""-warning@* 10 {{'T' is deprecated}}" >> %t.c
  16 //   RUN: echo "// expected""-note@* 10 {{'T' has been explicitly marked deprecated here}}" >> %t.c
  17 //
  18 //   RUN: %clang -target x86_64-linux -Xclang -verify -Wno-strict-prototypes -S -emit-llvm -o - %t.c \
  19 //   RUN: | FileCheck --check-prefixes=CHECK,LLVM %s
  20 //
  21 //   RUN: %clang_cc1 -verify -ast-print -Wno-strict-prototypes %t.c \
  22 //   RUN: | FileCheck --check-prefixes=CHECK,PRINT -DKW=struct \
  23 //   RUN:             -DBASES= %s
  24
  25 // Repeat for union:
  26 //
  27 //   First check compiling and printing of this file.
  28 //
  29 //   RUN: %clang -target x86_64-linux -Xclang -verify -S -emit-llvm \
  30 //   RUN:        -DKW=union -DBASES= -o - %s \
  31 //   RUN: | FileCheck --check-prefixes=CHECK,LLVM %s
  32 //
  33 //   RUN: %clang_cc1 -verify -ast-print -DKW=union -DBASES= %s > %t.c
  34 //   RUN: FileCheck --check-prefixes=CHECK,PRINT -DKW=union -DBASES= \
  35 //   RUN:           %s --input-file %t.c
  36 //
  37 //   Now check compiling and printing of the printed file.
  38 //
  39 //   RUN: echo "// expected""-warning@* 10 {{'T' is deprecated}}" >> %t.c
  40 //   RUN: echo "// expected""-note@* 10 {{'T' has been explicitly marked deprecated here}}" >> %t.c
  41 //
  42 //   RUN: %clang -target x86_64-linux -Xclang -verify -Wno-strict-prototypes -S -emit-llvm -o - %t.c \
  43 //   RUN: | FileCheck --check-prefixes=CHECK,LLVM %s
  44 //
  45 //   RUN: %clang_cc1 -verify -ast-print -Wno-strict-prototypes %t.c \
  46 //   RUN: | FileCheck --check-prefixes=CHECK,PRINT -DKW=union \
  47 //   RUN:             -DBASES= %s
  48
  49 // Repeat for C++ (BASES helps ensure we're printing as C++ not as C):
  50 //
  51 //   First check compiling and printing of this file.
  52 //
  53 //   RUN: %clang -target x86_64-linux -Xclang -verify -S -emit-llvm \
  54 //   RUN:        -DKW=struct -DBASES=' : B' -o - -xc++ %s \
  55 //   RUN: | FileCheck --check-prefixes=CHECK,LLVM %s
  56 //
  57 //   RUN: %clang_cc1 -verify -ast-print -DKW=struct -DBASES=' : B' -xc++ %s \
  58 //   RUN:            > %t.cpp
  59 //   RUN: FileCheck --check-prefixes=CHECK,PRINT,PRINT-CXX -DKW=struct \
  60 //   RUN:           -DBASES=' : B' %s --input-file %t.cpp
  61 //
  62 //   Now check compiling and printing of the printed file.
  63 //
  64 //   RUN: echo "// expected""-warning@* 10 {{'T' is deprecated}}" > %t.diags
  65 //   RUN: echo "// expected""-note@* 10 {{'T' has been explicitly marked deprecated here}}" >> %t.diags
  66 //   RUN: cat %t.diags >> %t.cpp
  67 //
  68 //   RUN: %clang -target x86_64-linux -Xclang -verify -S -Wno-strict-prototypes -emit-llvm -o - %t.cpp \
  69 //   RUN: | FileCheck --check-prefixes=CHECK,LLVM %s
  70 //
  71 //   RUN: %clang_cc1 -verify -ast-print -Wno-strict-prototypes %t.cpp \
  72 //   RUN: | FileCheck --check-prefixes=CHECK,PRINT,PRINT-CXX -DKW=struct \
  73 //   RUN:             -DBASES=' : B' %s
  74 //
  75 //   Make sure implicit attributes aren't printed.  See comments in inMemberPtr
  76 //   for details.
  77 //
  78 //   RUN: %clang_cc1 -triple i686-pc-win32 -verify -ast-print -DKW=struct \
  79 //   RUN:            -DBASES=' : B' -xc++ %s > %t.cpp
  80 //   RUN: FileCheck --check-prefixes=CHECK,PRINT,PRINT-CXX -DKW=struct \
  81 //   RUN:           -DBASES=' : B' %s --input-file %t.cpp
  82 //
  83 //   RUN: cat %t.diags >> %t.cpp
  84 //   RUN: %clang_cc1 -triple i686-pc-win32 -verify -ast-print %t.cpp \
  85 //   RUN: | FileCheck --check-prefixes=CHECK,PRINT,PRINT-CXX -DKW=struct \
  86 //   RUN:             -DBASES=' : B' %s
  87
  88 // END.
  89
  90 #ifndef KW
  91 # error KW undefined
  92 # define KW struct // help syntax checkers
  93 #endif
  94
  95 #ifndef BASES
  96 # error BASES undefined
  97 # define BASES // help syntax checkers
  98 #endif
  99
 100 struct B {};
 101
 102 // CHECK-LABEL: defFirst
 103 void defFirst(void) {
 104   // PRINT-NEXT: [[KW]]
 105   // PRINT-DAG:  __attribute__((aligned(16)))
 106   // PRINT-DAG:  __attribute__((deprecated("")))
 107   // PRINT-NOT:  __attribute__
 108   // PRINT-SAME: T[[BASES]] {
 109   // PRINT-NEXT:   int i;
 110   // PRINT-NEXT: } *p0;
 111   // expected-warning@+2 {{'T' is deprecated}}
 112   // expected-note@+1 2 {{'T' has been explicitly marked deprecated here}}
 113   KW __attribute__((aligned(16))) __attribute__((deprecated(""))) T BASES {
 114     int i;
 115   } *p0;
 116
 117   // PRINT-NEXT: [[KW]] T *p1;
 118   KW T *p1; // expected-warning {{'T' is deprecated}}
 119
 120   // LLVM: store i64 16
 121   long s0 = sizeof *p0;
 122   // LLVM-NEXT: store i64 16
 123   long s1 = sizeof *p1;
 124 }
 125
 126 // CHECK-LABEL: defLast
 127 void defLast(void) {
 128   // PRINT-NEXT: [[KW]] __attribute__((aligned(16))) T *p0;
 129   KW __attribute__((aligned(16))) T *p0;
 130
 131   // PRINT-NEXT: [[KW]] __attribute__((deprecated(""))) T[[BASES]] {
 132   // PRINT-NEXT:   int i;
 133   // PRINT-NEXT: } *p1;
 134   // expected-warning@+2 {{'T' is deprecated}}
 135   // expected-note@+1 {{'T' has been explicitly marked deprecated here}}
 136   KW __attribute__((deprecated(""))) T BASES { int i; } *p1;
 137
 138   // LLVM: store i64 16
 139   long s0 = sizeof *p0;
 140   // LLVM-NEXT: store i64 16
 141   long s1 = sizeof *p1;
 142 }
 143
 144 // CHECK-LABEL: defMiddle
 145 void defMiddle(void) {
 146   // PRINT-NEXT: [[KW]] __attribute__((deprecated(""))) T *p0;
 147   // expected-warning@+2 {{'T' is deprecated}}
 148   // expected-note@+1 3 {{'T' has been explicitly marked deprecated here}}
 149   KW __attribute__((deprecated(""))) T *p0;
 150
 151   // PRINT-NEXT: [[KW]] __attribute__((aligned(16))) T[[BASES]] {
 152   // PRINT-NEXT:   int i;
 153   // PRINT-NEXT: } *p1;
 154   KW __attribute__((aligned(16))) T BASES { int i; } *p1; // expected-warning {{'T' is deprecated}}
 155
 156   // PRINT-NEXT: [[KW]] T *p2;
 157   KW T *p2; // expected-warning {{'T' is deprecated}}
 158
 159   // LLVM: store i64 16
 160   long s0 = sizeof *p0;
 161   // LLVM-NEXT: store i64 16
 162   long s1 = sizeof *p1;
 163   // LLVM-NEXT: store i64 16
 164   long s2 = sizeof *p2;
 165 }
 166
 167 // CHECK-LABEL: defSelfRef
 168 void defSelfRef(void) {
 169   // PRINT-NEXT: [[KW]] __attribute__((deprecated(""))) T *p0;
 170   // expected-warning@+2 {{'T' is deprecated}}
 171   // expected-note@+1 2 {{'T' has been explicitly marked deprecated here}}
 172   KW __attribute__((deprecated(""))) T *p0;
 173
 174   // PRINT-NEXT:  [[KW]] __attribute__((aligned(64))) T[[BASES]] {
 175   // PRINT-NEXT:    int i;
 176   // PRINT-NEXT:    [[KW]] T *p2;
 177   // PRINT-NEXT:    [[KW]] __attribute__((may_alias)) T *p3;
 178   // PRINT-NEXT:    [[KW]] T *p4;
 179   // PRINT-NEXT:  } *p1;
 180   KW __attribute__((aligned(64))) T BASES { // expected-warning {{'T' is deprecated}}
 181     int i;
 182     KW T *p2;
 183     // FIXME: For C++, T at p3 loses aligned and deprecated, perhaps because
 184     // that RecordDecl isn't in the same redecl list.  Perhaps the redecl lists
 185     // are split here but not in C due to the different scoping rules in C++
 186     // classes.
 187     KW __attribute__((may_alias)) T *p3;
 188     KW T *p4;
 189   } *p1;
 190
 191   // LLVM: store i64 64
 192   long s0 = sizeof *p0;
 193   // LLVM-NEXT: store i64 64
 194   long s1 = sizeof *p1;
 195   // LLVM-NEXT: store i64 64
 196   long s2 = sizeof *p0->p2;
 197   // LLVM-NEXT: store i64 64
 198   long s3 = sizeof *p1->p3;
 199   // LLVM-NEXT: store i64 64
 200   long s4 = sizeof *p1->p4->p2;
 201 }
 202
 203 // CHECK-LABEL: declsOnly
 204 void declsOnly(void) {
 205   // PRINT-NEXT: [[KW]] T *p0;
 206   KW T *p0;
 207
 208   // PRINT-NEXT: [[KW]] __attribute__((may_alias)) T *p1;
 209   KW __attribute__((may_alias)) T *p1;
 210
 211   // PRINT-NEXT: [[KW]] T *p2;
 212   KW T *p2;
 213
 214   // PRINT-NEXT: [[KW]] __attribute__((deprecated(""))) T *p3;
 215   // expected-warning@+2 {{'T' is deprecated}}
 216   // expected-note@+1 2 {{'T' has been explicitly marked deprecated here}}
 217   KW __attribute__((deprecated(""))) T *p3;
 218
 219   // PRINT-NEXT: [[KW]] T *p4;
 220   KW T *p4; // expected-warning {{'T' is deprecated}}
 221 }
 222
 223 // Make sure expanded printing of tag types is turned back off in other parts
 224 // of a tag declaration.  The base class list is checked above.
 225
 226 // CHECK-LABEL: inMembers
 227 void inMembers(void) {
 228   // PRINT-NEXT: [[KW]] T1 {
 229   // PRINT-NEXT:   int i;
 230   // PRINT-NEXT: };
 231   KW T1 { int i; };
 232   // PRINT-NEXT: [[KW]] T2 {
 233   // PRINT-NEXT:   [[KW]] T1 i;
 234   // PRINT-NEXT: };
 235   KW T2 { KW T1 i; };
 236 }
 237
 238 // CHECK-LABEL: inInit
 239 void inInit(void) {
 240   // PRINT-NEXT: [[KW]] T1 {
 241   // PRINT-NEXT:   int i;
 242   // PRINT-NEXT: };
 243   KW T1 { int i; };
 244   // PRINT-NEXT: [[KW]] T2 {
 245   // PRINT-NEXT:   long i;
 246   // PRINT-NEXT: } t2 = {sizeof([[KW]] T1)};
 247   KW T2 { long i; } t2 = {sizeof(KW T1)};
 248 }
 249
 250 #ifdef __cplusplus
 251 // PRINT-CXX-LABEL: inMemberPtr
 252 void inMemberPtr() {
 253   // Under windows, the implicit attribute __single_inheritance used to print
 254   // between KW and T1 here, but that wasn't faithful to the original source.
 255   //
 256   // PRINT-CXX-NEXT: [[KW]] T1 {
 257   // PRINT-CXX-NEXT:   int i;
 258   // PRINT-CXX-NEXT: };
 259   KW T1 { int i; };
 260   // PRINT-CXX-NEXT: [[KW]] T2 {
 261   // PRINT-CXX-NEXT: } T1::*p;
 262   KW T2 {} T1::*p;
 263 }
 264 #endif
 265
 266 // Check that tag decl groups stay together in decl contexts.
 267
 268 // PRINT-LABEL: DeclGroupAtFileScope {
 269 // PRINT-NEXT:    int i;
 270 // PRINT-NEXT:  } *DeclGroupAtFileScopePtr;
 271 KW DeclGroupAtFileScope { int i; } *DeclGroupAtFileScopePtr;
 272
 273 // PRINT-LABEL: DeclGroupInMemberList {
 274 KW DeclGroupInMemberList {
 275   // PRINT-NEXT:  struct  T1 {
 276   // PRINT-NEXT:    int i;
 277   // PRINT-NEXT:  } t1;
 278   struct T1 { int i; } t1;
 279   // PRINT-NEXT:  union T2 {
 280   // PRINT-NEXT:    int i;
 281   // PRINT-NEXT:  } *t20, t21[2];
 282   union T2 { int i; } *t20, t21[2];
 283   // PRINT-NEXT:  enum T3 {
 284   // PRINT-NEXT:    T30
 285   // PRINT-NEXT:  } t30;
 286   enum T3 { T30 } t30;
 287   // PRINT-NEXT: };
 288 };
 289
 290 // A tag decl group in the tag decl's own member list is exercised in
 291 // defSelfRef above.