1 | //===--- HLSLExternalSemaSource.h - HLSL Sema Source ------------*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file defines the HLSLExternalSemaSource interface. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | #ifndef CLANG_SEMA_HLSLEXTERNALSEMASOURCE_H |
13 | #define CLANG_SEMA_HLSLEXTERNALSEMASOURCE_H |
14 | |
15 | #include "llvm/ADT/DenseMap.h" |
16 | |
17 | #include "clang/Sema/ExternalSemaSource.h" |
18 | |
19 | namespace clang { |
20 | class NamespaceDecl; |
21 | class Sema; |
22 | |
23 | class HLSLExternalSemaSource : public ExternalSemaSource { |
24 | Sema *SemaPtr = nullptr; |
25 | NamespaceDecl *HLSLNamespace = nullptr; |
26 | CXXRecordDecl *ResourceDecl = nullptr; |
27 | |
28 | using CompletionFunction = std::function<void(CXXRecordDecl *)>; |
29 | llvm::DenseMap<CXXRecordDecl *, CompletionFunction> Completions; |
30 | |
31 | void defineHLSLVectorAlias(); |
32 | void defineTrivialHLSLTypes(); |
33 | void defineHLSLTypesWithForwardDeclarations(); |
34 | |
35 | void onCompletion(CXXRecordDecl *Record, CompletionFunction Fn); |
36 | |
37 | public: |
38 | ~HLSLExternalSemaSource() override; |
39 | |
40 | /// Initialize the semantic source with the Sema instance |
41 | /// being used to perform semantic analysis on the abstract syntax |
42 | /// tree. |
43 | void InitializeSema(Sema &S) override; |
44 | |
45 | /// Inform the semantic consumer that Sema is no longer available. |
46 | void ForgetSema() override { SemaPtr = nullptr; } |
47 | |
48 | using ExternalASTSource::CompleteType; |
49 | /// Complete an incomplete HLSL builtin type |
50 | void CompleteType(TagDecl *Tag) override; |
51 | }; |
52 | |
53 | } // namespace clang |
54 | |
55 | #endif // CLANG_SEMA_HLSLEXTERNALSEMASOURCE_H |
56 | |