Use unique_ptr in CFXA_FM expressions

xfa/fxfa/fm2js/xfa_simpleexpression.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_
 #define XFA_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_
 
 #include <memory>
@@ skipping 93 matching lines @@
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  private:
   CFX_WideStringC m_wsIdentifier;
 };
 
 class CXFA_FMUnaryExpression : public CXFA_FMSimpleExpression {
  public:
   CXFA_FMUnaryExpression(uint32_t line,
                          XFA_FM_TOKEN op,
-                         CXFA_FMSimpleExpression* pExp);
+                         std::unique_ptr<CXFA_FMSimpleExpression> pExp);
   ~CXFA_FMUnaryExpression() override;
 
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  protected:
   std::unique_ptr<CXFA_FMSimpleExpression> m_pExp;
 };
 
 class CXFA_FMBinExpression : public CXFA_FMSimpleExpression {
  public:
   CXFA_FMBinExpression(uint32_t line,
                        XFA_FM_TOKEN op,
-                       CXFA_FMSimpleExpression* pExp1,
-                       CXFA_FMSimpleExpression* pExp2);
+                       std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                       std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMBinExpression() override;
 
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  protected:
   std::unique_ptr<CXFA_FMSimpleExpression> m_pExp1;
   std::unique_ptr<CXFA_FMSimpleExpression> m_pExp2;
 };
 
 class CXFA_FMAssignExpression : public CXFA_FMBinExpression {
  public:
   CXFA_FMAssignExpression(uint32_t line,
                           XFA_FM_TOKEN op,
-                          CXFA_FMSimpleExpression* pExp1,
-                          CXFA_FMSimpleExpression* pExp2);
+                          std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                          std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMAssignExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
   void ToImpliedReturnJS(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMLogicalOrExpression : public CXFA_FMBinExpression {
  public:
   CXFA_FMLogicalOrExpression(uint32_t line,
                              XFA_FM_TOKEN op,
-                             CXFA_FMSimpleExpression* pExp1,
-                             CXFA_FMSimpleExpression* pExp2);
+                             std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                             std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMLogicalOrExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMLogicalAndExpression : public CXFA_FMBinExpression {
  public:
   CXFA_FMLogicalAndExpression(uint32_t line,
                               XFA_FM_TOKEN op,
-                              CXFA_FMSimpleExpression* pExp1,
-                              CXFA_FMSimpleExpression* pExp2);
+                              std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                              std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMLogicalAndExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMEqualityExpression : public CXFA_FMBinExpression {
  public:
   CXFA_FMEqualityExpression(uint32_t line,
                             XFA_FM_TOKEN op,
-                            CXFA_FMSimpleExpression* pExp1,
-                            CXFA_FMSimpleExpression* pExp2);
+                            std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                            std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMEqualityExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMRelationalExpression : public CXFA_FMBinExpression {
  public:
   CXFA_FMRelationalExpression(uint32_t line,
                               XFA_FM_TOKEN op,
-                              CXFA_FMSimpleExpression* pExp1,
-                              CXFA_FMSimpleExpression* pExp2);
+                              std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                              std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMRelationalExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMAdditiveExpression : public CXFA_FMBinExpression {
  public:
   CXFA_FMAdditiveExpression(uint32_t line,
                             XFA_FM_TOKEN op,
-                            CXFA_FMSimpleExpression* pExp1,
-                            CXFA_FMSimpleExpression* pExp2);
+                            std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+                            std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMAdditiveExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMMultiplicativeExpression : public CXFA_FMBinExpression {
  public:
-  CXFA_FMMultiplicativeExpression(uint32_t line,
-                                  XFA_FM_TOKEN op,
-                                  CXFA_FMSimpleExpression* pExp1,
-                                  CXFA_FMSimpleExpression* pExp2);
+  CXFA_FMMultiplicativeExpression(
+      uint32_t line,
+      XFA_FM_TOKEN op,
+      std::unique_ptr<CXFA_FMSimpleExpression> pExp1,
+      std::unique_ptr<CXFA_FMSimpleExpression> pExp2);
   ~CXFA_FMMultiplicativeExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMPosExpression : public CXFA_FMUnaryExpression {
  public:
-  CXFA_FMPosExpression(uint32_t line, CXFA_FMSimpleExpression* pExp);
+  CXFA_FMPosExpression(uint32_t line,
+                       std::unique_ptr<CXFA_FMSimpleExpression> pExp);
   ~CXFA_FMPosExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMNegExpression : public CXFA_FMUnaryExpression {
  public:
-  CXFA_FMNegExpression(uint32_t line, CXFA_FMSimpleExpression* pExp);
+  CXFA_FMNegExpression(uint32_t line,
+                       std::unique_ptr<CXFA_FMSimpleExpression> pExp);
   ~CXFA_FMNegExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMNotExpression : public CXFA_FMUnaryExpression {
  public:
-  CXFA_FMNotExpression(uint32_t line, CXFA_FMSimpleExpression* pExp);
+  CXFA_FMNotExpression(uint32_t line,
+                       std::unique_ptr<CXFA_FMSimpleExpression> pExp);
   ~CXFA_FMNotExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 class CXFA_FMCallExpression : public CXFA_FMUnaryExpression {
  public:
   CXFA_FMCallExpression(
       uint32_t line,
-      CXFA_FMSimpleExpression* pExp,
+      std::unique_ptr<CXFA_FMSimpleExpression> pExp,
       std::vector<std::unique_ptr<CXFA_FMSimpleExpression>>&& pArguments,
       bool bIsSomMethod);
   ~CXFA_FMCallExpression() override;
 
   bool IsBuildInFunc(CFX_WideTextBuf* funcName);
   uint32_t IsMethodWithObjParam(const CFX_WideStringC& methodName);
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  private:
   bool m_bIsSomMethod;
   std::vector<std::unique_ptr<CXFA_FMSimpleExpression>> m_Arguments;
 };
 
 class CXFA_FMDotAccessorExpression : public CXFA_FMBinExpression {
  public:
-  CXFA_FMDotAccessorExpression(uint32_t line,
-                               CXFA_FMSimpleExpression* pAccessor,
-                               XFA_FM_TOKEN op,
-                               CFX_WideStringC wsIdentifier,
-                               CXFA_FMSimpleExpression* pIndexExp);
+  CXFA_FMDotAccessorExpression(
+      uint32_t line,
+      std::unique_ptr<CXFA_FMSimpleExpression> pAccessor,
+      XFA_FM_TOKEN op,
+      CFX_WideStringC wsIdentifier,
+      std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp);
   ~CXFA_FMDotAccessorExpression() override;
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  private:
   CFX_WideStringC m_wsIdentifier;
 };
 
 class CXFA_FMIndexExpression : public CXFA_FMUnaryExpression {
  public:
   CXFA_FMIndexExpression(uint32_t line,
                          XFA_FM_AccessorIndex accessorIndex,
-                         CXFA_FMSimpleExpression* pIndexExp,
+                         std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp,
                          bool bIsStarIndex);
   ~CXFA_FMIndexExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  private:
   XFA_FM_AccessorIndex m_accessorIndex;
   bool m_bIsStarIndex;
 };
 
 class CXFA_FMDotDotAccessorExpression : public CXFA_FMBinExpression {
  public:
-  CXFA_FMDotDotAccessorExpression(uint32_t line,
-                                  CXFA_FMSimpleExpression* pAccessor,
-                                  XFA_FM_TOKEN op,
-                                  CFX_WideStringC wsIdentifier,
-                                  CXFA_FMSimpleExpression* pIndexExp);
+  CXFA_FMDotDotAccessorExpression(
+      uint32_t line,
+      std::unique_ptr<CXFA_FMSimpleExpression> pAccessor,
+      XFA_FM_TOKEN op,
+      CFX_WideStringC wsIdentifier,
+      std::unique_ptr<CXFA_FMSimpleExpression> pIndexExp);
   ~CXFA_FMDotDotAccessorExpression() override;
 
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 
  private:
   CFX_WideStringC m_wsIdentifier;
 };
 
 class CXFA_FMMethodCallExpression : public CXFA_FMBinExpression {
  public:
-  CXFA_FMMethodCallExpression(uint32_t line,
-                              CXFA_FMSimpleExpression* pAccessorExp1,
-                              CXFA_FMSimpleExpression* pCallExp);
+  CXFA_FMMethodCallExpression(
+      uint32_t line,
+      std::unique_ptr<CXFA_FMSimpleExpression> pAccessorExp1,
+      std::unique_ptr<CXFA_FMSimpleExpression> pCallExp);
   ~CXFA_FMMethodCallExpression() override {}
   void ToJavaScript(CFX_WideTextBuf& javascript) override;
 };
 
 #endif  // XFA_FXFA_FM2JS_XFA_SIMPLEEXPRESSION_H_