Alex Lorenz e6afa397c6 [CodeCompletion] Provide member completions for dependent expressions whose
type is a TemplateSpecializationType or InjectedClassNameType

Fixes PR30847. Partially fixes PR20973 (first position only).

PR17614 is still not working, its expression has the dependent
builtin type. We'll have to teach the completion engine how to "resolve"
dependent expressions to fix it.

rdar://29818301

llvm-svn: 302797
2017-05-11 13:48:57 +00:00

149 lines
4.5 KiB
C++

struct Base1 {
int member1;
float member2;
};
struct Base2 {
int member1;
double member3;
void memfun1(int);
};
struct Base3 : Base1, Base2 {
void memfun1(float);
void memfun1(double) const;
void memfun2(int);
};
struct Derived : Base3 {
int member4;
int memfun3(int);
};
class Proxy {
public:
Derived *operator->() const;
};
void test(const Proxy &p) {
p->
}
struct Test1 {
Base1 b;
static void sfunc() {
b. // expected-error {{invalid use of member 'b' in static member function}}
}
};
struct Foo {
void foo() const;
static void foo(bool);
};
struct Bar {
void foo(bool param) {
Foo::foo( );// unresolved member expression with an implicit base
}
};
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:29:6 %s -o - | FileCheck -check-prefix=CHECK-CC1 %s
// CHECK-CC1: Base1 : Base1::
// CHECK-CC1: member1 : [#int#][#Base1::#]member1
// CHECK-CC1: member1 : [#int#][#Base2::#]member1
// CHECK-CC1: member2 : [#float#][#Base1::#]member2
// CHECK-CC1: member3
// CHECK-CC1: member4
// CHECK-CC1: memfun1 : [#void#][#Base3::#]memfun1(<#float#>)
// CHECK-CC1: memfun1 : [#void#][#Base3::#]memfun1(<#double#>)[# const#]
// CHECK-CC1: memfun1 (Hidden) : [#void#]Base2::memfun1(<#int#>)
// CHECK-CC1: memfun2 : [#void#][#Base3::#]memfun2(<#int#>)
// CHECK-CC1: memfun3 : [#int#]memfun3(<#int#>)
// Make sure this doesn't crash
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:36:7 %s -verify
// Make sure this also doesn't crash
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:47:14 %s
template<typename T>
class BaseTemplate {
public:
T baseTemplateFunction();
T baseTemplateField;
};
template<typename T, typename S>
class TemplateClass: public Base1 , public BaseTemplate<T> {
public:
T function() { }
T field;
void overload1(const T &);
void overload1(const S &);
};
template<typename T, typename S>
void completeDependentMembers(TemplateClass<T, S> &object,
TemplateClass<int, S> *object2) {
object.field;
object2->field;
// CHECK-CC2: baseTemplateField : [#T#][#BaseTemplate<T>::#]baseTemplateField
// CHECK-CC2: baseTemplateFunction : [#T#][#BaseTemplate<T>::#]baseTemplateFunction()
// CHECK-CC2: field : [#T#]field
// CHECK-CC2: function : [#T#]function()
// CHECK-CC2: member1 : [#int#][#Base1::#]member1
// CHECK-CC2: member2 : [#float#][#Base1::#]member2
// CHECK-CC2: overload1 : [#void#]overload1(<#const T &#>)
// CHECK-CC2: overload1 : [#void#]overload1(<#const S &#>)
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:92:10 %s -o - | FileCheck -check-prefix=CHECK-CC2 %s
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:93:12 %s -o - | FileCheck -check-prefix=CHECK-CC2 %s
}
void completeDependentSpecializedMembers(TemplateClass<int, double> &object,
TemplateClass<int, double> *object2) {
object.field;
object2->field;
// CHECK-CC3: baseTemplateField : [#int#][#BaseTemplate<int>::#]baseTemplateField
// CHECK-CC3: baseTemplateFunction : [#int#][#BaseTemplate<int>::#]baseTemplateFunction()
// CHECK-CC3: field : [#int#]field
// CHECK-CC3: function : [#int#]function()
// CHECK-CC3: member1 : [#int#][#Base1::#]member1
// CHECK-CC3: member2 : [#float#][#Base1::#]member2
// CHECK-CC3: overload1 : [#void#]overload1(<#const int &#>)
// CHECK-CC3: overload1 : [#void#]overload1(<#const double &#>)
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:110:10 %s -o - | FileCheck -check-prefix=CHECK-CC3 %s
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:111:12 %s -o - | FileCheck -check-prefix=CHECK-CC3 %s
}
template <typename T>
class Template {
public:
BaseTemplate<int> o1;
BaseTemplate<T> o2;
void function() {
o1.baseTemplateField;
// CHECK-CC4: BaseTemplate : BaseTemplate::
// CHECK-CC4: baseTemplateField : [#int#]baseTemplateField
// CHECK-CC4: baseTemplateFunction : [#int#]baseTemplateFunction()
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:132:8 %s -o - | FileCheck -check-prefix=CHECK-CC4 %s
o2.baseTemplateField;
// CHECK-CC5: BaseTemplate : BaseTemplate::
// CHECK-CC5: baseTemplateField : [#T#]baseTemplateField
// CHECK-CC5: baseTemplateFunction : [#T#]baseTemplateFunction()
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:137:8 %s -o - | FileCheck -check-prefix=CHECK-CC5 %s
this->o1;
// CHECK-CC6: [#void#]function()
// CHECK-CC6: o1 : [#BaseTemplate<int>#]o1
// CHECK-CC6: o2 : [#BaseTemplate<T>#]o2
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:142:11 %s -o - | FileCheck -check-prefix=CHECK-CC6 %s
}
};