File: objcxx0x-lambda-expressions.mm

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (58 lines) | stat: -rw-r--r-- 1,991 bytes parent folder | download | duplicates (22)
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
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-unused-value -Wno-c++1y-extensions -std=c++11 %s

class C {
  id get(int);

  void f() {
    int foo, bar, baz;

    // fail to parse as a lambda introducer, so we get objc message parsing errors instead
    [foo,+] {}; // expected-error {{expected expression}}

    []; // expected-error {{expected body of lambda expression}}
    [=,foo+] {}; // expected-error {{expected ',' or ']' in lambda capture list}}
    [&this] {}; // expected-error {{cannot take the address of an rvalue of type 'C *'}} \
                // expected-error {{expected identifier}}
    [] {}; 
    [=] (int i) {}; 
    [&] (int) mutable -> void {}; 
    [foo,bar] () { return 3; }; 
    [=,&foo] () {}; 
    [this] () {}; 

    [foo(bar)] () {};
    [foo = bar] () {};
    [foo{bar}] () {};
    [foo = {bar}] () {}; // expected-error {{<initializer_list>}}

    [foo(bar) baz] () {}; // expected-error {{called object type 'int' is not a function}} \
                          // expected-error {{expected ';'}}
    [foo(bar), baz] () {}; // ok

    [foo = bar baz]; // expected-warning {{receiver type 'int'}} expected-warning {{instance method '-baz'}}

    [get(bar) baz]; // expected-warning {{instance method '-baz'}}
    [get(bar), baz]; // expected-error {{expected body of lambda}}

    [foo = bar ++ baz]; // expected-warning {{receiver type 'int'}} expected-warning {{instance method '-baz'}}
    [foo = bar + baz]; // expected-error {{expected body of lambda}}
    [foo = { bar, baz }]; // expected-error {{<initializer_list>}} expected-error {{expected body of lambda}}
    [foo = { bar } baz ]; // expected-warning {{receiver type 'int'}} expected-warning {{instance method '-baz'}}
    [foo = { bar }, baz ]; // expected-error {{<initializer_list>}} expected-error {{expected body of lambda}}
  }

};

struct Func {
  template <typename F>
  Func(F&&);
};

int getInt();

void test() {
  [val = getInt()]() { };
  Func{
    [val = getInt()]() { }
  };
}