33c3ef2fbe
Underscore-uglified identifiers are used in standard library implementations to guard against collisions with macros, and they hurt readability considerably. (Consider `push_back(Tp_ &&__value)` vs `push_back(Tp value)`. When we're describing an interface, the exact names of parameters are not critical so we can drop these prefixes. This patch adds a new PrintingPolicy flag that can applies this stripping when recursively printing pieces of AST. We set it in code completion/signature help, and in clangd's hover display. All three features also do a bit of manual poking at names, so fix up those too. Fixes https://github.com/clangd/clangd/issues/736 Differential Revision: https://reviews.llvm.org/D116387
26 lines
1.0 KiB
C++
26 lines
1.0 KiB
C++
// Fake standard library with uglified names.
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// Parameters (including template params) get ugliness stripped.
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namespace std {
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template <typename _Tp>
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class __vector_base {};
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template <typename _Tp>
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class vector : private __vector_base<_Tp> {
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public:
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_Tp &at(unsigned __index) const;
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int __stays_ugly();
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};
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} // namespace std
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int x = std::vector<int>{}.at(42);
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// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:17:14 %s -o - | FileCheck -check-prefix=CHECK-CC1 %s
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// CHECK-CC1: COMPLETION: __vector_base : __vector_base<<#typename Tp#>>
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// CHECK-CC1: COMPLETION: vector : vector<<#typename Tp#>>
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// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:17:28 %s -o - | FileCheck -check-prefix=CHECK-CC2 %s
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// CHECK-CC2: COMPLETION: __stays_ugly : [#int#]__stays_ugly()
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// CHECK-CC2: COMPLETION: at : [#int &#]at(<#unsigned int index#>)[# const#]
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// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:17:31 %s -o - | FileCheck -check-prefix=CHECK-CC3 %s
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// CHECK-CC3: OVERLOAD: [#int &#]at(<#unsigned int index#>)
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