reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
// RUN: rm -rf %t
// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -Wreturn-type -fmodules-cache-path=%t -I %S/Inputs %s -verify -Wno-objc-root-class

@class C2;
@class C3;
@class C3;
@import redecl_merge_left;
typedef struct my_struct_type *my_struct_ref;
@protocol P4;
@class C3;
@class C3;

int *call_eventually_noreturn(void) {
  eventually_noreturn();
} // expected-warning{{control reaches end of non-void function}}

int *call_eventually_noreturn2(void) {
  eventually_noreturn2();
} // expected-warning{{control reaches end of non-void function}}

@import redecl_merge_right;

int *call_eventually_noreturn_again(void) {
  eventually_noreturn();
}

int *call_eventually_noreturn2_again(void) {
  // noreturn and non-noreturn functions have different types
  eventually_noreturn2(); // expected-error{{call to 'eventually_noreturn2' is ambiguous}}
  // expected-note@Inputs/redecl-merge-left.h:93{{candidate function}}
  // expected-note@Inputs/redecl-merge-right.h:90{{candidate function}}
}

@implementation A
- (Super*)init { return self; }
@end

void f(A *a) {
  [a init];
}

@class A;

B *f1() {
  return [B create_a_B];
}

@class B;

void testProtoMerge(id<P1> p1, id<P2> p2) {
  [p1 protoMethod1];
  [p2 protoMethod2];
}

struct S1 {
  int s1_field;
};

struct S3 {
  int s3_field;
};

void testTagMerge() {
  consume_S1(produce_S1());
  struct S2 s2;
  s2.field = 0;
  consume_S2(produce_S2());
  struct S1 s1;
  s1.s1_field = 0;
  consume_S3(produce_S3());
  struct S4 s4;
  s4.field = 0;
  consume_S4(produce_S4());
  struct S3 s3;
  s3.s3_field = 0;
}

void testTypedefMerge(int i, double d) {
  T1 *ip = &i;
  // FIXME: Typedefs aren't actually merged in the sense of other merges, because
  // we should only merge them when the types are identical.
  // expected-note@Inputs/redecl-merge-left.h:60{{candidate found by name lookup is 'T2'}}
  // expected-note@Inputs/redecl-merge-right.h:63{{candidate found by name lookup is 'T2'}}
  T2 *dp = &d; // expected-error{{reference to 'T2' is ambiguous}}
}

void testFuncMerge(int i) {
  func0(i);
  func1(i);
  // expected-note@Inputs/redecl-merge-left.h:64{{candidate function}}
  // expected-note@Inputs/redecl-merge-right.h:70{{candidate function}}
  func2(i); // expected-error{{call to 'func2' is ambiguous}}
}

void testVarMerge(int i) {
  var1 = i;
  // expected-note@Inputs/redecl-merge-left.h:77{{candidate found by name lookup is 'var2'}}
  // expected-note@Inputs/redecl-merge-right.h:77{{candidate found by name lookup is 'var2'}}
  var2 = i; // expected-error{{reference to 'var2' is ambiguous}}
  // expected-note@Inputs/redecl-merge-left.h:79{{candidate found by name lookup is 'var3'}}
  // expected-note@Inputs/redecl-merge-right.h:79{{candidate found by name lookup is 'var3'}}
  var3 = i; // expected-error{{reference to 'var3' is ambiguous}}
}

// Test redeclarations of entities in explicit submodules, to make
// sure we're maintaining the declaration chains even when normal name
// lookup can't see what we're looking for.
void testExplicit() {
  Explicit *e;
  int *(*fp)(void) = &explicit_func;
  int *ip = explicit_func();

  // FIXME: Should complain about definition not having been imported.
  struct explicit_struct es = { 0 };
}

// Test resolution of declarations from multiple modules with no
// common original declaration.
void test_C(C *c) {
  c = get_a_C();
  accept_a_C(c);
}

void test_C2(C2 *c2) {
  c2 = get_a_C2();
  accept_a_C2(c2);
}

void test_C3(C3 *c3) {
  c3 = get_a_C3();
  accept_a_C3(c3);
}

C4 *global_C4;

ClassWithDef *cwd1;

@import redecl_merge_left_left;

void test_C4a(C4 *c4) {
  global_C4 = c4 = get_a_C4();
  accept_a_C4(c4);
}

void test_ClassWithDef(ClassWithDef *cwd) {
  [cwd method];
}

@import redecl_merge_bottom;

void test_C4b() {
  if (&refers_to_C4) {
  }
}

@implementation B
+ (B*)create_a_B { return 0; }
@end

void g(A *a) {
  [a init];
}

@protocol P3
- (void)p3_method;
@end

id<P4> p4;
id<P3> p3;

// Make sure we don't get conflicts with 'id'.
funcptr_with_id fid;
id id_global;