File: operator-arrow-depth.cpp

package info (click to toggle)
llvm-toolchain-3.5 1%3A3.5-10
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 282,028 kB
  • ctags: 310,872
  • sloc: cpp: 1,883,926; ansic: 310,731; objc: 86,612; python: 79,565; asm: 65,844; sh: 9,829; makefile: 6,057; perl: 5,589; ml: 5,254; pascal: 3,285; lisp: 1,640; xml: 686; cs: 239; csh: 117
file content (26 lines) | stat: -rw-r--r-- 1,014 bytes parent folder | download | duplicates (26)
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
// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=128 -foperator-arrow-depth 128
// RUN: %clang_cc1 -fsyntax-only -verify %s -DMAX=2 -foperator-arrow-depth 2
// RUN: %clang -fsyntax-only -Xclang -verify %s -DMAX=10 -foperator-arrow-depth=10

template<int N> struct B;
template<int N> struct A {
  B<N> operator->(); // expected-note +{{'operator->' declared here produces an object of type 'B<}}
};
template<int N> struct B {
  A<N-1> operator->(); // expected-note +{{'operator->' declared here produces an object of type 'A<}}
#if MAX != 2
  // expected-note-re@-2 {{(skipping {{120|2}} 'operator->'s in backtrace)}}
#endif
};

struct X { int n; };
template<> struct B<1> {
  X *operator->();
};

A<MAX/2> good;
int n = good->n;

B<MAX/2 + 1> bad;
int m = bad->n; // expected-error-re {{use of 'operator->' on type 'B<{{2|10|128}} / 2 + 1>' would invoke a sequence of more than {{2|10|128}} 'operator->' calls}}
                // expected-note@-1 {{use -foperator-arrow-depth=N to increase 'operator->' limit}}