clang/test/Sema/implicit-int.c

   1 /* RUN: %clang_cc1 -fsyntax-only -std=c89 -Wimplicit-int %s -verify -Wno-strict-prototypes
   2    RUN: %clang_cc1 -fsyntax-only -std=c99 %s -verify=ext -Wno-strict-prototypes
   3    RUN: %clang_cc1 -fsyntax-only -std=c2x %s -verify=unsupported
   4 */
   5
   6 foo(void) { /* expected-warning {{type specifier missing, defaults to 'int'}} \
   7                ext-error {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
   8                unsupported-error {{a type specifier is required for all declarations}} */
   9   return 0;
  10 }
  11
  12 y;  /* expected-warning {{type specifier missing, defaults to 'int'}} \
  13        ext-error {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
  14        unsupported-error {{a type specifier is required for all declarations}} */
  15
  16 /* rdar://6131634 */
  17 void f((x));  /* expected-warning {{type specifier missing, defaults to 'int'}} \
  18                  ext-error {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
  19                  unsupported-error {{a type specifier is required for all declarations}} */
  20
  21 /* PR3702 */
  22 #define PAD(ms10) { \
  23     register i;     \
  24 }
  25
  26 #define ILPAD() PAD((NROW - tt.tt_row) * 10) /* 1 ms per char */
  27
  28 void
  29 h19_insline(n)  /* ext-error {{parameter 'n' was not declared, defaults to 'int'; ISO C99 and later do not support implicit int}} \
  30                    unsupported-error {{unknown type name 'n'}} */
  31 {
  32   ILPAD();  /* expected-warning {{type specifier missing, defaults to 'int'}} \
  33                ext-error {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
  34                unsupported-error {{a type specifier is required for all declarations}} */
  35
  36 }
  37
  38 struct foo {
  39  __extension__ __attribute__((packed)) x : 4; /* expected-warning {{type specifier missing, defaults to 'int'}} \
  40                                                  ext-error {{type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int}} \
  41                                                  unsupported-error {{unknown type name 'x'}} */
  42
  43 };