130 lines · cpp
1// RUN: %clang_cc1 -verify -x c++ -std=c++98 %s2// RUN: not %clang_cc1 -fdiagnostics-parseable-fixits -x c++ -std=c++98 %s 2>&1 | FileCheck %s3 4struct S {5 int n;6};7 8struct T {9 T();10 T(S, S);11 int n;12};13 14struct U {15 ~U();16 int n;17};18 19struct V {20 ~V();21};22 23struct W : V {24};25 26struct X : U {27};28 29int F1();30S F2();31 32namespace N {33 void test() {34 // CHECK: fix-it:"{{.*}}":{35:9-35:11}:" = {}"35 S s1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}36 37 // CHECK: fix-it:"{{.*}}":{39:9-39:10}:";"38 // CHECK: fix-it:"{{.*}}":{40:7-40:9}:" = {}"39 S s2, // expected-note {{change this ',' to a ';' to call 'F2'}}40 F2(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}41 42 // CHECK: fix-it:"{{.*}}":{44:9-44:11}:""43 // CHECK: fix-it:"{{.*}}":{45:9-45:11}:""44 T t1(), // expected-warning {{function declaration}} expected-note {{remove parentheses}}45 t2(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}46 47 // Suggest parentheses only around the first argument.48 // CHECK: fix-it:"{{.*}}":{50:10-50:10}:"("49 // CHECK: fix-it:"{{.*}}":{50:13-50:13}:")"50 T t3(S(), S()); // expected-warning {{disambiguated as a function declaration}} expected-note {{add a pair of parentheses}}51 52 // Check fixit position for pathological case53 // CHECK: fix-it:"{{.*}}":{56:11-56:11}:"("54 // CHECK: fix-it:"{{.*}}":{56:20-56:20}:")"55 float k[1];56 int l(int(k[0])); // expected-warning {{disambiguated as a function declaration}} expected-note {{add a pair of parentheses}}57 58 // Don't emit warning and fixit because this must be a function declaration due to void return type.59 typedef void VO;60 VO m(int (*p)[4]);61 62 // Don't emit warning and fixit because direct initializer is not permitted here.63 if (int n(int())){} // expected-error {{function type is not allowed here}}64 65 // CHECK: fix-it:"{{.*}}":{66:8-66:10}:" = {}"66 U u(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}67 68 // CHECK: fix-it:"{{.*}}":{69:8-69:10}:""69 V v(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}70 71 // CHECK: fix-it:"{{.*}}":{72:8-72:10}:""72 W w(); // expected-warning {{function declaration}} expected-note {{remove parentheses}}73 74 // TODO: Removing the parens here would not initialize U::n.75 // Maybe suggest an " = X()" initializer for this case?76 // Maybe suggest removing the parens anyway?77 X x(); // expected-warning {{function declaration}}78 79 // CHECK: fix-it:"{{.*}}":{80:11-80:13}:" = 0"80 int n1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}81 82 // CHECK: fix-it:"{{.*}}":{84:11-84:12}:";"83 // CHECK: fix-it:"{{.*}}":{85:7-85:9}:" = 0"84 int n2, // expected-note {{change this ',' to a ';' to call 'F1'}}85 F1(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}86 87 // CHECK: fix-it:"{{.*}}":{88:13-88:15}:" = 0.0"88 double d(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}89 90 typedef void *Ptr;91 92 // CHECK: fix-it:"{{.*}}":{93:10-93:12}:" = 0"93 Ptr p(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}94 95#define NULL 096 // CHECK: fix-it:"{{.*}}":{97:10-97:12}:" = NULL"97 Ptr p(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}98 99 // CHECK: fix-it:"{{.*}}":{100:11-100:13}:" = false"100 bool b(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}101 102 // CHECK: fix-it:"{{.*}}":{103:11-103:13}:" = '\\0'"103 char c(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}104 105 // CHECK: fix-it:"{{.*}}":{106:15-106:17}:" = L'\\0'"106 wchar_t wc(); // expected-warning {{function declaration}} expected-note {{replace parentheses with an initializer}}107 }108}109 110namespace RedundantParens {111struct Y {112 Y();113 Y(int);114 ~Y();115};116int n;117 118void test() {119 // CHECK: add a variable name120 // CHECK: fix-it:"{{.*}}":{[[@LINE+7]]:4-[[@LINE+7]]:4}:" varname"121 // CHECK: add enclosing parentheses122 // CHECK: fix-it:"{{.*}}":{[[@LINE+5]]:3-[[@LINE+5]]:3}:"("123 // CHECK: fix-it:"{{.*}}":{[[@LINE+4]]:7-[[@LINE+4]]:7}:")"124 // CHECK: remove parentheses125 // CHECK: fix-it:"{{.*}}":{[[@LINE+2]]:4-[[@LINE+2]]:5}:" "126 // CHECK: fix-it:"{{.*}}":{[[@LINE+1]]:6-[[@LINE+1]]:7}:""127 Y(n); // expected-warning {{declaration of variable named 'n'}} expected-note 3{{}}128}129}130