1 | //===- Context.h - PDLL AST Context -----------------------------*- 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 | #ifndef MLIR_TOOLS_PDLL_AST_CONTEXT_H_ |
10 | #define MLIR_TOOLS_PDLL_AST_CONTEXT_H_ |
11 | |
12 | #include "mlir/Support/StorageUniquer.h" |
13 | #include "mlir/Tools/PDLL/AST/Diagnostic.h" |
14 | |
15 | namespace mlir { |
16 | namespace pdll { |
17 | namespace ods { |
18 | class Context; |
19 | } // namespace ods |
20 | |
21 | namespace ast { |
22 | /// This class represents the main context of the PDLL AST. It handles |
23 | /// allocating all of the AST constructs, and manages all state necessary for |
24 | /// the AST. |
25 | class Context { |
26 | public: |
27 | explicit Context(ods::Context &odsContext); |
28 | Context(const Context &) = delete; |
29 | Context &operator=(const Context &) = delete; |
30 | |
31 | /// Return the allocator owned by this context. |
32 | llvm::BumpPtrAllocator &getAllocator() { return allocator; } |
33 | |
34 | /// Return the storage uniquer used for AST types. |
35 | StorageUniquer &getTypeUniquer() { return typeUniquer; } |
36 | |
37 | /// Return the ODS context used by the AST. |
38 | ods::Context &getODSContext() { return odsContext; } |
39 | const ods::Context &getODSContext() const { return odsContext; } |
40 | |
41 | /// Return the diagnostic engine of this context. |
42 | DiagnosticEngine &getDiagEngine() { return diagEngine; } |
43 | |
44 | private: |
45 | /// The diagnostic engine of this AST context. |
46 | DiagnosticEngine diagEngine; |
47 | |
48 | /// The ODS context used by the AST. |
49 | ods::Context &odsContext; |
50 | |
51 | /// The allocator used for AST nodes, and other entities allocated within the |
52 | /// context. |
53 | llvm::BumpPtrAllocator allocator; |
54 | |
55 | /// The uniquer used for creating AST types. |
56 | StorageUniquer typeUniquer; |
57 | }; |
58 | |
59 | } // namespace ast |
60 | } // namespace pdll |
61 | } // namespace mlir |
62 | |
63 | #endif // MLIR_TOOLS_PDLL_AST_CONTEXT_H_ |
64 | |