clang/test/Sema/typo-correction.c

// RUN: %clang_cc1 -fsyntax-only -verify %s
//
// This file contains typo correction tests which hit different code paths in C
// than in C++ and may exhibit different behavior as a result.

__typeof__(struct F*) var[invalid];  // expected-error-re {{use of undeclared identifier 'invalid'{{$}}}}

void PR21656() {
  float x;
  x = (float)arst;  // expected-error-re {{use of undeclared identifier 'arst'{{$}}}}
}

a = b ? : 0;  // expected-warning {{type specifier missing, defaults to 'int'}} \
              // expected-error {{use of undeclared identifier 'b'}}

int foobar;  // expected-note {{'foobar' declared here}}
new_a = goobar ?: 4; // expected-warning {{type specifier missing, defaults to 'int'}} \
                      // expected-error {{use of undeclared identifier 'goobar'; did you mean 'foobar'?}} \
                      // expected-error {{initializer element is not a compile-time constant}}

struct ContainerStuct {
  enum { SOME_ENUM }; // expected-note {{'SOME_ENUM' declared here}}
};

void func(int arg) {
  switch (arg) {
  case SOME_ENUM_: // expected-error {{use of undeclared identifier 'SOME_ENUM_'; did you mean 'SOME_ENUM'}}
    ;
  }
}

void banana(void);  // expected-note {{'banana' declared here}}
int c11Generic(int arg) {
  _Generic(hello, int : banana)();  // expected-error-re {{use of undeclared identifier 'hello'{{$}}}}
  _Generic(arg, int : bandana)();  // expected-error {{use of undeclared identifier 'bandana'; did you mean 'banana'?}}
}

typedef long long __m128i __attribute__((__vector_size__(16)));
int PR23101(__m128i __x) {
  return foo((__v2di)__x);  // expected-warning {{implicit declaration of function 'foo'}} \
                            // expected-error {{use of undeclared identifier '__v2di'}}
}

void f(long *a, long b) {
      __atomic_or_fetch(a, b, c);  // expected-error {{use of undeclared identifier 'c'}}
}

extern double cabs(_Complex double z);
void fn1() {
  cabs(errij);  // expected-error {{use of undeclared identifier 'errij'}}
}

extern long afunction(int);
void fn2() {
  f(THIS_IS_AN_ERROR,       // expected-error {{use of undeclared identifier 'THIS_IS_AN_ERROR'}}
    afunction(afunction_)); // expected-error {{use of undeclared identifier 'afunction_'}}
}

int d = X ? d : L; // expected-error 2 {{use of undeclared identifier}}

int fn_with_ids() { ID = ID == ID >= ID ; } // expected-error 4 {{use of undeclared identifier}}

int fn_with_rs(int r) { r = TYPO + r * TYPO; } // expected-error 2 {{use of undeclared identifier}}

void fn_with_unknown(int a, int b) {
  fn_with_unknown(unknown, unknown | unknown); // expected-error 3 {{use of undeclared identifier}}
}

// Two typos in a parenthesized expression or argument list with a conditional
// expression caused a crash in C mode.
//
// r272587 fixed a similar bug for binary operations. The same fix was needed for
// conditional expressions.

int g(int x, int y) {
  return x + y;
}

int h() {
  g(x, 5 ? z : 0); // expected-error 2 {{use of undeclared identifier}}
  (x, 5 ? z : 0);  // expected-error 2 {{use of undeclared identifier}}
}

__attribute__((overloadable)) void func_overloadable(int);
__attribute__((overloadable)) void func_overloadable(float);

void overloadable_callexpr(int arg) {
	func_overloadable(ar); //expected-error{{use of undeclared identifier}}
}

// rdar://problem/38642201
struct rdar38642201 {
  int fieldName;
};

void rdar38642201_callee(int x, int y);
void rdar38642201_caller() {
  struct rdar38642201 structVar;
  rdar38642201_callee(
      structVar1.fieldName1.member1, //expected-error{{use of undeclared identifier 'structVar1'}}
      structVar2.fieldName2.member2); //expected-error{{use of undeclared identifier 'structVar2'}}
}

void PR40286_g(int x, int y);
void PR40286_h(int x, int y, int z);
void PR40286_1(int the_value) {
  PR40286_g(the_walue); // expected-error {{use of undeclared identifier 'the_walue'}}
}
void PR40286_2(int the_value) {
  PR40286_h(the_value, the_walue); // expected-error {{use of undeclared identifier 'the_walue'}}
}
void PR40286_3(int the_value) {
  PR40286_h(the_walue); // expected-error {{use of undeclared identifier 'the_walue'}}
}
void PR40286_4(int the_value) { // expected-note {{'the_value' declared here}}
  PR40286_h(the_value, the_value, the_walue); // expected-error {{use of undeclared identifier 'the_walue'; did you mean 'the_value'?}}
}