File: typeid.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (32 lines) | stat: -rw-r--r-- 931 bytes parent folder | download | duplicates (7)
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
// RUN: %clang_cc1 -fsyntax-only -verify %s

void f()
{
  (void)typeid(int); // expected-error {{you need to include <typeinfo> before using the 'typeid' operator}}
}

namespace std {
  struct type_info { const char *name; };
}

void g()
{
  (void)typeid(int);
}

struct X; // expected-note 3{{forward declaration}}

void g1(X &x) {
  (void)typeid(X); // expected-error{{'typeid' of incomplete type 'X'}}
  (void)typeid(X&); // expected-error{{'typeid' of incomplete type 'X'}}
  (void)typeid(x); // expected-error{{'typeid' of incomplete type 'X'}}
}

void h(int i) {
  char V[i];
  typeid(V);        // expected-error{{'typeid' of variably modified type 'char [i]'}}
  typeid(char [i]); // expected-error{{'typeid' of variably modified type 'char [i]'}}
}

// expected-note@+1 {{read of object 'typeid(int).name' whose value is not known}}
constexpr const char *name = typeid(int).name; // expected-error {{constant expression}}