clang-tools-extra/clang-tidy/utils/ASTUtils.h

   1 //===---------- ASTUtils.h - clang-tidy -----------------------------------===//
   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_TOOLS_EXTRA_CLANG_TIDY_ASTUTILS_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ASTUTILS_H
  11
  12 #include "clang/AST/AST.h"
  13
  14 namespace clang::tidy::utils {
  15 // Returns the (closest) Function declaration surrounding |Statement| or NULL.
  16 const FunctionDecl *getSurroundingFunction(ASTContext &Context,
  17                                            const Stmt &Statement);
  18 // Determine whether Expr is a Binary or Ternary expression.
  19 bool isBinaryOrTernary(const Expr *E);
  20
  21 /// Checks whether a macro flag is present in the given argument. Only considers
  22 /// cases of single match or match in a binary OR expression. For example,
  23 /// <needed-flag> or <flag> | <needed-flag> | ...
  24 bool exprHasBitFlagWithSpelling(const Expr *Flags, const SourceManager &SM,
  25                                 const LangOptions &LangOpts,
  26                                 StringRef FlagName);
  27
  28 // Check if the range is entirely contained within a macro argument.
  29 bool rangeIsEntirelyWithinMacroArgument(SourceRange Range,
  30                                         const SourceManager *SM);
  31
  32 // Check if the range contains any locations from a macro expansion.
  33 bool rangeContainsMacroExpansion(SourceRange Range, const SourceManager *SM);
  34
  35 // Can a fix-it be issued for this whole Range?
  36 // FIXME: false-negative if the entire range is fully expanded from a macro.
  37 bool rangeCanBeFixed(SourceRange Range, const SourceManager *SM);
  38
  39 // Check if statements are same
  40 bool areStatementsIdentical(const Stmt *FirstStmt, const Stmt *SecondStmt,
  41                             const ASTContext &Context, bool Canonical = false);
  42
  43 } // namespace clang::tidy::utils
  44
  45 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ASTUTILS_H