xref: /aosp_15_r20/external/clang/test/Parser/cxx0x-for-range.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: not %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits -std=c++11 %s 2>&1 | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li template<typename T, typename U>
4*67e74705SXin Li struct pair {};
5*67e74705SXin Li 
6*67e74705SXin Li template<typename T, typename U>
7*67e74705SXin Li struct map {
8*67e74705SXin Li   typedef pair<T,U> *iterator;
9*67e74705SXin Li   iterator begin();
10*67e74705SXin Li   iterator end();
11*67e74705SXin Li };
12*67e74705SXin Li 
13*67e74705SXin Li template<typename T, typename U>
14*67e74705SXin Li pair<T,U> &tie(T &, U &);
15*67e74705SXin Li 
foo(map<char *,int> & m)16*67e74705SXin Li int foo(map<char*,int> &m) {
17*67e74705SXin Li   char *p;
18*67e74705SXin Li   int n;
19*67e74705SXin Li 
20*67e74705SXin Li   for (pair<char*,int> x : m) {
21*67e74705SXin Li     (void)x;
22*67e74705SXin Li   }
23*67e74705SXin Li 
24*67e74705SXin Li   for (tie(p, n) : m) { // expected-error {{for range declaration must declare a variable}}
25*67e74705SXin Li     (void)p;
26*67e74705SXin Li     (void)n;
27*67e74705SXin Li   }
28*67e74705SXin Li 
29*67e74705SXin Li   return n;
30*67e74705SXin Li }
31*67e74705SXin Li 
32*67e74705SXin Li namespace PR19176 {
33*67e74705SXin Li struct Vector {
34*67e74705SXin Li   struct iterator {
35*67e74705SXin Li     int &operator*();
36*67e74705SXin Li     iterator &operator++();
37*67e74705SXin Li     iterator &operator++(int);
38*67e74705SXin Li     bool operator==(const iterator &) const;
39*67e74705SXin Li   };
40*67e74705SXin Li   iterator begin();
41*67e74705SXin Li   iterator end();
42*67e74705SXin Li };
43*67e74705SXin Li 
f()44*67e74705SXin Li void f() {
45*67e74705SXin Li   Vector v;
46*67e74705SXin Li   int a[] = {1, 2, 3, 4};
47*67e74705SXin Li   for (auto foo   =     a) // expected-error {{range-based 'for' statement uses ':', not '='}}
48*67e74705SXin Li     // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:19-[[@LINE-1]]:20}:":"
49*67e74705SXin Li     (void)foo;
50*67e74705SXin Li   for (auto i
51*67e74705SXin Li       =
52*67e74705SXin Li       v) // expected-error@-1 {{range-based 'for' statement uses ':', not '='}}
53*67e74705SXin Li     // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:7-[[@LINE-2]]:8}:":"
54*67e74705SXin Li     (void)i;
55*67e74705SXin Li #define FORRANGE(v, a) for (DECLVARWITHINIT(v) a)  // expected-note {{expanded from macro}}
56*67e74705SXin Li #define DECLAUTOVAR(v) auto v
57*67e74705SXin Li #define DECLVARWITHINIT(v) DECLAUTOVAR(v) =  // expected-note {{expanded from macro}}
58*67e74705SXin Li   FORRANGE(i, a) {  // expected-error {{range-based 'for' statement uses ':', not '='}}
59*67e74705SXin Li 
60*67e74705SXin Li   }
61*67e74705SXin Li }
62*67e74705SXin Li }
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