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  1. //===--- ASTDiagnostic.h - Diagnostics for the AST library ------*- 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 LLVM_CLANG_AST_ASTDIAGNOSTIC_H
  10. #define LLVM_CLANG_AST_ASTDIAGNOSTIC_H
  11.  
  12. #include "clang/AST/Type.h"
  13. #include "clang/Basic/Diagnostic.h"
  14. #include "clang/Basic/DiagnosticAST.h"
  15.  
  16. namespace clang {
  17.   /// DiagnosticsEngine argument formatting function for diagnostics that
  18.   /// involve AST nodes.
  19.   ///
  20.   /// This function formats diagnostic arguments for various AST nodes,
  21.   /// including types, declaration names, nested name specifiers, and
  22.   /// declaration contexts, into strings that can be printed as part of
  23.   /// diagnostics. It is meant to be used as the argument to
  24.   /// \c DiagnosticsEngine::SetArgToStringFn(), where the cookie is an \c
  25.   /// ASTContext pointer.
  26.   void FormatASTNodeDiagnosticArgument(
  27.       DiagnosticsEngine::ArgumentKind Kind,
  28.       intptr_t Val,
  29.       StringRef Modifier,
  30.       StringRef Argument,
  31.       ArrayRef<DiagnosticsEngine::ArgumentValue> PrevArgs,
  32.       SmallVectorImpl<char> &Output,
  33.       void *Cookie,
  34.       ArrayRef<intptr_t> QualTypeVals);
  35.  
  36.   /// Returns a desugared version of the QualType, and marks ShouldAKA as true
  37.   /// whenever we remove significant sugar from the type.
  38.   QualType desugarForDiagnostic(ASTContext &Context, QualType QT,
  39.                                 bool &ShouldAKA);
  40. }  // end namespace clang
  41.  
  42. #endif
  43.