compilerplugins/clang/postfixincrementfix.hxx

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * Based on LLVM/Clang.
   5  *
   6  * This file is distributed under the University of Illinois Open Source
   7  * License. See LICENSE.TXT for details.
   8  *
   9  */
  10
  11 #ifndef POSTFIXINCREMENTFIX_H
  12 #define POSTFIXINCREMENTFIX_H
  13
  14 #include "plugin.hxx"
  15
  16 namespace loplugin
  17 {
  18
  19 class PostfixIncrementFix
  20     : public RecursiveASTVisitor< PostfixIncrementFix >
  21     , public RewritePlugin
  22     {
  23     public:
  24         explicit PostfixIncrementFix( CompilerInstance& compiler, Rewriter& rewriter );
  25         virtual void run() override;
  26         bool VisitFunctionDecl( const FunctionDecl* declaration );
  27     private:
  28         typedef std::vector< const Stmt* > StmtParents;
  29         void fixPostfixOperator( const CXXOperatorCallExpr* op, StmtParents& parents );
  30         void fixPostfixOperators( const Stmt* stmt, StmtParents& parents );
  31         bool canChangePostfixToPrefix( const CXXOperatorCallExpr* op, StmtParents& parents, int parent_pos );
  32         bool canChangeInConditionStatement( const CXXOperatorCallExpr* op, const Expr* condition,
  33             const StmtParents& parents, unsigned int parent_pos );
  34         bool shouldDoChange( const Expr* op );
  35     };
  36
  37 } // namespace
  38
  39 #endif // POSTFIXINCREMENTFIX_H
  40