clang/test/Sema/typo-correction.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 //
   3 // This file contains typo correction tests which hit different code paths in C
   4 // than in C++ and may exhibit different behavior as a result.
   5
   6 __typeof__(struct F*) var[invalid];  // expected-error-re {{use of undeclared identifier 'invalid'{{$}}}}
   7
   8 void PR21656(void) {
   9   float x;
  10   x = (float)arst;  // expected-error-re {{use of undeclared identifier 'arst'{{$}}}}
  11 }
  12
  13 a = b ? : 0;  // expected-error {{type specifier missing, defaults to 'int'}} \
  14               // expected-error {{use of undeclared identifier 'b'}}
  15
  16 int foobar;  // expected-note {{'foobar' declared here}}
  17 new_a = goobar ?: 4; // expected-error {{type specifier missing, defaults to 'int'}} \
  18                       // expected-error {{use of undeclared identifier 'goobar'; did you mean 'foobar'?}} \
  19                       // expected-error {{initializer element is not a compile-time constant}}
  20
  21 struct ContainerStuct {
  22   enum { SOME_ENUM }; // expected-note {{'SOME_ENUM' declared here}}
  23 };
  24
  25 void func(int arg) {
  26   switch (arg) {
  27   case SOME_ENUM_: // expected-error {{use of undeclared identifier 'SOME_ENUM_'; did you mean 'SOME_ENUM'}}
  28     ;
  29   }
  30 }
  31
  32 void banana(void);  // expected-note {{'banana' declared here}}
  33 int c11Generic(int arg) {
  34   _Generic(hello, int : banana)();  // expected-error-re {{use of undeclared identifier 'hello'{{$}}}}
  35   _Generic(arg, int : bandana)();  // expected-error {{use of undeclared identifier 'bandana'; did you mean 'banana'?}}
  36 }
  37
  38 typedef long long __m128i __attribute__((__vector_size__(16)));
  39 int PR23101(__m128i __x) {
  40   return foo((__v2di)__x);  // expected-error {{call to undeclared function 'foo'; ISO C99 and later do not support implicit function declarations}} \
  41                             // expected-error {{use of undeclared identifier '__v2di'}}
  42 }
  43
  44 void f(long *a, long b) {
  45       __atomic_or_fetch(a, b, c);  // expected-error {{use of undeclared identifier 'c'}}
  46 }
  47
  48 extern double cabs(_Complex double z);
  49 void fn1(void) {
  50   cabs(errij);  // expected-error {{use of undeclared identifier 'errij'}}
  51 }
  52
  53 extern long afunction(int);
  54 void fn2(void) {
  55   f(THIS_IS_AN_ERROR,       // expected-error {{use of undeclared identifier 'THIS_IS_AN_ERROR'}}
  56     afunction(afunction_)); // expected-error {{use of undeclared identifier 'afunction_'}}
  57 }
  58
  59 int d = X ? d : L; // expected-error 2 {{use of undeclared identifier}}
  60
  61 int fn_with_ids(void) { ID = ID == ID >= ID ; } // expected-error 4 {{use of undeclared identifier}}
  62
  63 int fn_with_rs(int r) { r = TYPO + r * TYPO; } // expected-error 2 {{use of undeclared identifier}}
  64
  65 void fn_with_unknown(int a, int b) {
  66   fn_with_unknown(unknown, unknown | unknown); // expected-error 3 {{use of undeclared identifier}}
  67 }
  68
  69 // Two typos in a parenthesized expression or argument list with a conditional
  70 // expression caused a crash in C mode.
  71 //
  72 // r272587 fixed a similar bug for binary operations. The same fix was needed for
  73 // conditional expressions.
  74
  75 int g(int x, int y) {
  76   return x + y;
  77 }
  78
  79 int h(void) {
  80   g(x, 5 ? z : 0); // expected-error 2 {{use of undeclared identifier}}
  81   (x, 5 ? z : 0);  // expected-error 2 {{use of undeclared identifier}}
  82 }
  83
  84 __attribute__((overloadable)) void func_overloadable(int);
  85 __attribute__((overloadable)) void func_overloadable(float);
  86
  87 void overloadable_callexpr(int arg) {
  88         func_overloadable(ar); //expected-error{{use of undeclared identifier}}
  89 }
  90
  91 // rdar://problem/38642201
  92 struct rdar38642201 {
  93   int fieldName;
  94 };
  95
  96 void rdar38642201_callee(int x, int y);
  97 void rdar38642201_caller(void) {
  98   struct rdar38642201 structVar;
  99   rdar38642201_callee(
 100       structVar1.fieldName1.member1, //expected-error{{use of undeclared identifier 'structVar1'}}
 101       structVar2.fieldName2.member2); //expected-error{{use of undeclared identifier 'structVar2'}}
 102 }
 103
 104 void PR40286_g(int x, int y);
 105 void PR40286_h(int x, int y, int z);
 106 void PR40286_1(int the_value) {
 107   PR40286_g(the_walue); // expected-error {{use of undeclared identifier 'the_walue'}}
 108 }
 109 void PR40286_2(int the_value) {
 110   PR40286_h(the_value, the_walue); // expected-error {{use of undeclared identifier 'the_walue'}}
 111 }
 112 void PR40286_3(int the_value) {
 113   PR40286_h(the_walue); // expected-error {{use of undeclared identifier 'the_walue'}}
 114 }
 115 void PR40286_4(int the_value) { // expected-note {{'the_value' declared here}}
 116   PR40286_h(the_value, the_value, the_walue); // expected-error {{use of undeclared identifier 'the_walue'; did you mean 'the_value'?}}
 117 }