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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===--- CodeCompletionHandler.h - Preprocessor code completion -*- 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 | // This file defines the CodeCompletionHandler interface, which provides |
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| 10 | // code-completion callbacks for the preprocessor. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | #ifndef LLVM_CLANG_LEX_CODECOMPLETIONHANDLER_H |
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| 14 | #define LLVM_CLANG_LEX_CODECOMPLETIONHANDLER_H |
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| 15 | |||
| 16 | #include "llvm/ADT/StringRef.h" |
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| 17 | |||
| 18 | namespace clang { |
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| 19 | |||
| 20 | class IdentifierInfo; |
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| 21 | class MacroInfo; |
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| 22 | |||
| 23 | /// Callback handler that receives notifications when performing code |
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| 24 | /// completion within the preprocessor. |
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| 25 | class CodeCompletionHandler { |
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| 26 | public: |
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| 27 | virtual ~CodeCompletionHandler(); |
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| 28 | |||
| 29 | /// Callback invoked when performing code completion for a preprocessor |
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| 30 | /// directive. |
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| 31 | /// |
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| 32 | /// This callback will be invoked when the preprocessor processes a '#' at the |
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| 33 | /// start of a line, followed by the code-completion token. |
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| 34 | /// |
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| 35 | /// \param InConditional Whether we're inside a preprocessor conditional |
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| 36 | /// already. |
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| 37 | virtual void CodeCompleteDirective(bool InConditional) { } |
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| 38 | |||
| 39 | /// Callback invoked when performing code completion within a block of |
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| 40 | /// code that was excluded due to preprocessor conditionals. |
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| 41 | virtual void CodeCompleteInConditionalExclusion() { } |
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| 42 | |||
| 43 | /// Callback invoked when performing code completion in a context |
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| 44 | /// where the name of a macro is expected. |
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| 45 | /// |
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| 46 | /// \param IsDefinition Whether this is the definition of a macro, e.g., |
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| 47 | /// in a \#define. |
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| 48 | virtual void CodeCompleteMacroName(bool IsDefinition) { } |
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| 49 | |||
| 50 | /// Callback invoked when performing code completion in a preprocessor |
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| 51 | /// expression, such as the condition of an \#if or \#elif directive. |
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| 52 | virtual void CodeCompletePreprocessorExpression() { } |
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| 53 | |||
| 54 | /// Callback invoked when performing code completion inside a |
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| 55 | /// function-like macro argument. |
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| 56 | /// |
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| 57 | /// There will be another callback invocation after the macro arguments are |
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| 58 | /// parsed, so this callback should generally be used to note that the next |
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| 59 | /// callback is invoked inside a macro argument. |
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| 60 | virtual void CodeCompleteMacroArgument(IdentifierInfo *Macro, |
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| 61 | MacroInfo *MacroInfo, |
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| 62 | unsigned ArgumentIndex) { } |
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| 63 | |||
| 64 | /// Callback invoked when performing code completion inside the filename |
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| 65 | /// part of an #include directive. (Also #import, #include_next, etc). |
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| 66 | /// \p Dir is the directory relative to the include path. |
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| 67 | virtual void CodeCompleteIncludedFile(llvm::StringRef Dir, bool IsAngled) {} |
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| 68 | |||
| 69 | /// Callback invoked when performing code completion in a part of the |
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| 70 | /// file where we expect natural language, e.g., a comment, string, or |
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| 71 | /// \#error directive. |
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| 72 | virtual void CodeCompleteNaturalLanguage() { } |
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| 73 | }; |
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| 74 | |||
| 75 | } |
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| 76 | |||
| 77 | #endif // LLVM_CLANG_LEX_CODECOMPLETIONHANDLER_H |