109 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -verify -x c++ -std=c++98 %s
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// RUN: not %clang_cc1 -fdiagnostics-parseable-fixits -x c++ -std=c++98 %s 2>&1 | FileCheck %s
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struct S {
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  int n;
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};
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struct T {
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  T();
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  T(S, S);
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  int n;
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};
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struct U {
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  ~U();
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  int n;
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};
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struct V {
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  ~V();
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};
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struct W : V {
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};
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struct X : U {
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};
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int F1();
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S F2();
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namespace N {
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  void test() {
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    // CHECK: fix-it:"{{.*}}":{35:9-35:11}:" = {}"
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    S s1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{39:9-39:10}:";"
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    // CHECK: fix-it:"{{.*}}":{40:7-40:9}:" = {}"
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    S s2, // expected-note {{change this ',' to a ';' to call 'F2'}}
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    F2(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{44:9-44:11}:""
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    // CHECK: fix-it:"{{.*}}":{45:9-45:11}:""
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    T t1(), // expected-warning {{function declaration}} expected-note {{remove parentheses}}
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      t2(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}
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    // Suggest parentheses only around the first argument.
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    // CHECK: fix-it:"{{.*}}":{50:10-50:10}:"("
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    // CHECK: fix-it:"{{.*}}":{50:13-50:13}:")"
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    T t3(S(), S()); // expected-warning {{disambiguated as a function declaration}} expected-note {{add a pair of parentheses}}
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    // Check fixit position for pathological case
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    // CHECK: fix-it:"{{.*}}":{56:11-56:11}:"("
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    // CHECK: fix-it:"{{.*}}":{56:20-56:20}:")"
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    float k[1];
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    int l(int(k[0])); // expected-warning {{disambiguated as a function declaration}} expected-note {{add a pair of parentheses}}
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    // Don't emit warning and fixit because this must be a function declaration due to void return type.
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    typedef void VO;
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    VO m(int (*p)[4]);
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    // Don't emit warning and fixit because direct initializer is not permitted here.
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    if (int n(int())){} // expected-error {{function type is not allowed here}}
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    // CHECK: fix-it:"{{.*}}":{66:8-66:10}:" = {}"
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    U u(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{69:8-69:10}:""
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    V v(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}
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    // CHECK: fix-it:"{{.*}}":{72:8-72:10}:""
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    W w(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}
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    // TODO: Removing the parens here would not initialize U::n.
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    // Maybe suggest an " = X()" initializer for this case?
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    // Maybe suggest removing the parens anyway?
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    X x(); // expected-warning {{function declaration}}
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    // CHECK: fix-it:"{{.*}}":{80:11-80:13}:" = 0"
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    int n1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{84:11-84:12}:";"
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    // CHECK: fix-it:"{{.*}}":{85:7-85:9}:" = 0"
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    int n2, // expected-note {{change this ',' to a ';' to call 'F1'}}
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    F1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{88:13-88:15}:" = 0.0"
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    double d(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    typedef void *Ptr;
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    // CHECK: fix-it:"{{.*}}":{93:10-93:12}:" = 0"
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    Ptr p(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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#define NULL 0
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    // CHECK: fix-it:"{{.*}}":{97:10-97:12}:" = NULL"
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    Ptr p(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{100:11-100:13}:" = false"
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    bool b(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{103:11-103:13}:" = '\\0'"
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    char c(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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    // CHECK: fix-it:"{{.*}}":{106:15-106:17}:" = L'\\0'"
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    wchar_t wc(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}
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  }
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}
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