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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--- RefactoringRuleContext.h - Clang refactoring library -------------===// |
| 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 | |||
| 9 | #ifndef LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGRULECONTEXT_H |
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| 10 | #define LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGRULECONTEXT_H |
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| 11 | |||
| 12 | #include "clang/Basic/DiagnosticError.h" |
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| 13 | #include "clang/Basic/SourceManager.h" |
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| 14 | #include "clang/Tooling/Refactoring/ASTSelection.h" |
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| 15 | |||
| 16 | namespace clang { |
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| 17 | |||
| 18 | class ASTContext; |
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| 19 | |||
| 20 | namespace tooling { |
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| 21 | |||
| 22 | /// The refactoring rule context stores all of the inputs that might be needed |
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| 23 | /// by a refactoring action rule. It can create the specialized |
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| 24 | /// \c ASTRefactoringOperation or \c PreprocessorRefactoringOperation values |
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| 25 | /// that can be used by the refactoring action rules. |
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| 26 | /// |
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| 27 | /// The following inputs are stored by the operation: |
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| 28 | /// |
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| 29 | /// - SourceManager: a reference to a valid source manager. |
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| 30 | /// |
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| 31 | /// - SelectionRange: an optional source selection ranges that can be used |
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| 32 | /// to represent a selection in an editor. |
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| 33 | class RefactoringRuleContext { |
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| 34 | public: |
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| 35 | RefactoringRuleContext(const SourceManager &SM) : SM(SM) {} |
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| 36 | |||
| 37 | const SourceManager &getSources() const { return SM; } |
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| 38 | |||
| 39 | /// Returns the current source selection range as set by the |
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| 40 | /// refactoring engine. Can be invalid. |
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| 41 | SourceRange getSelectionRange() const { return SelectionRange; } |
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| 42 | |||
| 43 | void setSelectionRange(SourceRange R) { SelectionRange = R; } |
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| 44 | |||
| 45 | bool hasASTContext() const { return AST; } |
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| 46 | |||
| 47 | ASTContext &getASTContext() const { |
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| 48 | assert(AST && "no AST!"); |
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| 49 | return *AST; |
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| 50 | } |
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| 51 | |||
| 52 | void setASTContext(ASTContext &Context) { AST = &Context; } |
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| 53 | |||
| 54 | /// Creates an llvm::Error value that contains a diagnostic. |
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| 55 | /// |
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| 56 | /// The errors should not outlive the context. |
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| 57 | llvm::Error createDiagnosticError(SourceLocation Loc, unsigned DiagID) { |
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| 58 | return DiagnosticError::create(Loc, PartialDiagnostic(DiagID, DiagStorage)); |
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| 59 | } |
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| 60 | |||
| 61 | llvm::Error createDiagnosticError(unsigned DiagID) { |
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| 62 | return createDiagnosticError(SourceLocation(), DiagID); |
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| 63 | } |
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| 64 | |||
| 65 | void setASTSelection(std::unique_ptr<SelectedASTNode> Node) { |
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| 66 | ASTNodeSelection = std::move(Node); |
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| 67 | } |
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| 68 | |||
| 69 | private: |
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| 70 | /// The source manager for the translation unit / file on which a refactoring |
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| 71 | /// action might operate on. |
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| 72 | const SourceManager &SM; |
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| 73 | /// An optional source selection range that's commonly used to represent |
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| 74 | /// a selection in an editor. |
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| 75 | SourceRange SelectionRange; |
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| 76 | /// An optional AST for the translation unit on which a refactoring action |
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| 77 | /// might operate on. |
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| 78 | ASTContext *AST = nullptr; |
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| 79 | /// The allocator for diagnostics. |
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| 80 | PartialDiagnostic::DiagStorageAllocator DiagStorage; |
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| 81 | |||
| 82 | // FIXME: Remove when memoized. |
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| 83 | std::unique_ptr<SelectedASTNode> ASTNodeSelection; |
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| 84 | }; |
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| 85 | |||
| 86 | } // end namespace tooling |
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| 87 | } // end namespace clang |
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| 88 | |||
| 89 | #endif // LLVM_CLANG_TOOLING_REFACTORING_REFACTORINGRULECONTEXT_H |