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| 14 | pmbaty | 1 | //===--- TemplateKinds.h - Enum values for C++ Template Kinds ---*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | /// |
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| 9 | /// \file |
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| 10 | /// Defines the clang::TemplateNameKind enum. |
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| 11 | /// |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | #ifndef LLVM_CLANG_BASIC_TEMPLATEKINDS_H |
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| 14 | #define LLVM_CLANG_BASIC_TEMPLATEKINDS_H |
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| 15 | |||
| 16 | namespace clang { |
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| 17 | |||
| 18 | /// Specifies the kind of template name that an identifier refers to. |
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| 19 | /// Be careful when changing this: this enumeration is used in diagnostics. |
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| 20 | enum TemplateNameKind { |
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| 21 | /// The name does not refer to a template. |
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| 22 | TNK_Non_template = 0, |
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| 23 | /// The name refers to a function template or a set of overloaded |
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| 24 | /// functions that includes at least one function template, or (in C++20) |
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| 25 | /// refers to a set of non-template functions but is followed by a '<'. |
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| 26 | TNK_Function_template, |
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| 27 | /// The name refers to a template whose specialization produces a |
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| 28 | /// type. The template itself could be a class template, template |
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| 29 | /// template parameter, or template alias. |
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| 30 | TNK_Type_template, |
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| 31 | /// The name refers to a variable template whose specialization produces a |
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| 32 | /// variable. |
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| 33 | TNK_Var_template, |
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| 34 | /// The name refers to a dependent template name: |
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| 35 | /// \code |
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| 36 | /// template<typename MetaFun, typename T1, typename T2> struct apply2 { |
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| 37 | /// typedef typename MetaFun::template apply<T1, T2>::type type; |
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| 38 | /// }; |
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| 39 | /// \endcode |
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| 40 | /// |
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| 41 | /// Here, "apply" is a dependent template name within the typename |
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| 42 | /// specifier in the typedef. "apply" is a nested template, and |
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| 43 | /// whether the template name is assumed to refer to a type template or a |
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| 44 | /// function template depends on the context in which the template |
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| 45 | /// name occurs. |
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| 46 | TNK_Dependent_template_name, |
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| 47 | /// Lookup for the name failed, but we're assuming it was a template name |
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| 48 | /// anyway. In C++20, this is mandatory in order to parse ADL-only function |
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| 49 | /// template specialization calls. |
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| 50 | TNK_Undeclared_template, |
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| 51 | /// The name refers to a concept. |
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| 52 | TNK_Concept_template, |
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| 53 | }; |
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| 54 | |||
| 55 | } |
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| 56 | #endif |