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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- BuildTree.h - build syntax trees -----------------------*- 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 | // Functions to construct a syntax tree from an AST. |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | #ifndef LLVM_CLANG_TOOLING_SYNTAX_BUILDTREE_H |
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| 11 | #define LLVM_CLANG_TOOLING_SYNTAX_BUILDTREE_H |
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| 12 | |||
| 13 | #include "clang/AST/Decl.h" |
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| 14 | #include "clang/Basic/TokenKinds.h" |
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| 15 | #include "clang/Tooling/Syntax/Nodes.h" |
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| 16 | #include "clang/Tooling/Syntax/TokenBufferTokenManager.h" |
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| 17 | #include "clang/Tooling/Syntax/Tree.h" |
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| 18 | |||
| 19 | namespace clang { |
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| 20 | namespace syntax { |
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| 21 | |||
| 22 | /// Build a syntax tree for the main file. |
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| 23 | /// This usually covers the whole TranslationUnitDecl, but can be restricted by |
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| 24 | /// the ASTContext's traversal scope. |
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| 25 | syntax::TranslationUnit * |
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| 26 | buildSyntaxTree(Arena &A, TokenBufferTokenManager &TBTM, ASTContext &Context); |
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| 27 | |||
| 28 | // Create syntax trees from subtrees not backed by the source code. |
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| 29 | |||
| 30 | // Synthesis of Leafs |
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| 31 | /// Create `Leaf` from token with `Spelling` and assert it has the desired |
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| 32 | /// `TokenKind`. |
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| 33 | syntax::Leaf *createLeaf(syntax::Arena &A, TokenBufferTokenManager &TBTM, |
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| 34 | tok::TokenKind K, StringRef Spelling); |
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| 35 | |||
| 36 | /// Infer the token spelling from its `TokenKind`, then create `Leaf` from |
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| 37 | /// this token |
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| 38 | syntax::Leaf *createLeaf(syntax::Arena &A, TokenBufferTokenManager &TBTM, |
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| 39 | tok::TokenKind K); |
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| 40 | |||
| 41 | // Synthesis of Trees |
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| 42 | /// Creates the concrete syntax node according to the specified `NodeKind` `K`. |
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| 43 | /// Returns it as a pointer to the base class `Tree`. |
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| 44 | syntax::Tree * |
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| 45 | createTree(syntax::Arena &A, |
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| 46 | ArrayRef<std::pair<syntax::Node *, syntax::NodeRole>> Children, |
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| 47 | syntax::NodeKind K); |
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| 48 | |||
| 49 | // Synthesis of Syntax Nodes |
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| 50 | syntax::EmptyStatement *createEmptyStatement(syntax::Arena &A, |
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| 51 | TokenBufferTokenManager &TBTM); |
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| 52 | |||
| 53 | /// Creates a completely independent copy of `N` with its macros expanded. |
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| 54 | /// |
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| 55 | /// The copy is: |
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| 56 | /// * Detached, i.e. `Parent == NextSibling == nullptr` and |
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| 57 | /// `Role == Detached`. |
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| 58 | /// * Synthesized, i.e. `Original == false`. |
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| 59 | syntax::Node *deepCopyExpandingMacros(syntax::Arena &A, |
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| 60 | TokenBufferTokenManager &TBTM, |
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| 61 | const syntax::Node *N); |
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| 62 | } // namespace syntax |
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| 63 | } // namespace clang |
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| 64 | #endif |