75 lines
3.2 KiB
C++
75 lines
3.2 KiB
C++
template <class T>
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struct function {
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};
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void test() {
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void (*x)(int, double) = nullptr;
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function<void(int, double)> y = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:7:28 %s -o - | FileCheck -check-prefix=CHECK-1 %s
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:9:35 %s -o - | FileCheck -check-prefix=CHECK-1 %s
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// CHECK-1: COMPLETION: Pattern : [<#=#>](int <#parameter#>, double <#parameter#>) { <#body#> }
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// == Placeholders for suffix types must be placed properly.
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function<void(void(*)(int))> z = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:15:36 %s -o - | FileCheck -check-prefix=CHECK-2 %s
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// CHECK-2: COMPLETION: Pattern : [<#=#>](void (* <#parameter#>)(int)) { <#body#> }
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// == No need for a parameter list if function has no parameters.
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function<void()> a = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:20:24 %s -o - | FileCheck -check-prefix=CHECK-3 %s
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// CHECK-3: COMPLETION: Pattern : [<#=#>] { <#body#> }
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}
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template <class T, class Allocator = int>
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struct vector {};
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void test2() {
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// == Try to preserve types as written.
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function<void(vector<int>)> a = {};
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using function_typedef = function<void(vector<int>)>;
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function_typedef b = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:30:35 %s -o - | FileCheck -check-prefix=CHECK-4 %s
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:33:24 %s -o - | FileCheck -check-prefix=CHECK-4 %s
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// CHECK-4: COMPLETION: Pattern : [<#=#>](vector<int> <#parameter#>) { <#body#> }
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}
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// Check another common function wrapper name.
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template <class T> struct unique_function {};
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void test3() {
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unique_function<void()> a = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:43:31 %s -o - | FileCheck -check-prefix=CHECK-5 %s
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// CHECK-5: COMPLETION: Pattern : [<#=#>] { <#body#> }
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}
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template <class T, class U> struct weird_function {};
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void test4() {
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weird_function<void(), int> b = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:50:35 %s -o - | FileCheck -check-prefix=CHECK-6 %s
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// CHECK-6-NOT: COMPLETION: Pattern : [<#=
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}
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void test5() {
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// Completions are only added when -code-completion-patterns are enabled.
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function<void()> b = {};
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// RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:57:24 %s -o - | FileCheck -check-prefix=CHECK-7 %s
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// CHECK-7: COMPLETION: Pattern : [<#=
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// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:57:24 %s -o - | FileCheck -check-prefix=CHECK-8 %s
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// CHECK-8-NOT: COMPLETION: Pattern : [<#=
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}
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void test6() {
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auto my_lambda = [&](int a, double &b) { return 1.f; };
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// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:65:58 %s -o - | FileCheck -check-prefix=CHECK-9 %s
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// CHECK-9: [#float#]my_lambda(<#int a#>, <#double &b#>)[# const#]
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}
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void test7() {
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auto generic_lambda = [&](auto a, const auto &b) { return a + b; };
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// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:71:70 %s -o - | FileCheck -check-prefix=CHECK-10 %s
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// CHECK-10: [#auto#]generic_lambda(<#auto a#>, <#const auto &b#>)[# const#]
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}
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