inheritance.out

编译原理课程设计之pp2语法分析程序

   Program: 
  1   ClassDecl: 
  1      Identifier: Animal
  2      VarDecl: 
            Type: int
  2         Identifier: height
  3      VarDecl: 
  3         NamedType: 
  3            Identifier: Animal
  3         Identifier: mother
  4      FnDecl: 
            (return type) Type: void
  4         Identifier: InitAnimal
  4         (formals) VarDecl: 
               Type: int
  4            Identifier: h
  4         (formals) VarDecl: 
  4            NamedType: 
  4               Identifier: Animal
  4            Identifier: mom
            (body) StmtBlock: 
  5            ExprStmt: 
  5               AssignExpr: 
  5                  FieldAccess: 
  5                     Identifier: height
  5                  Operator: =
  5                  FieldAccess: 
  5                     Identifier: h
  6            ExprStmt: 
  6               AssignExpr: 
  6                  FieldAccess: 
  6                     Identifier: mother
  6                  Operator: =
  6                  FieldAccess: 
  6                     Identifier: mom
  9      FnDecl: 
            (return type) Type: int
  9         Identifier: GetHeight
            (body) StmtBlock: 
 10            ReturnStmt: 
 10               FieldAccess: 
 10                  Identifier: height
 13      FnDecl: 
 13         (return type) NamedType: 
 13            Identifier: Animal
 13         Identifier: GetMom
            (body) StmtBlock: 
 14            ReturnStmt: 
 14               FieldAccess: 
 14                  Identifier: mother
 18   ClassDecl: 
 18      Identifier: Cow
 18      (extends) NamedType: 
 18         Identifier: Animal
 19      VarDecl: 
            Type: bool
 19         Identifier: isSpotted
 20      FnDecl: 
            (return type) Type: void
 20         Identifier: InitCow
 20         (formals) VarDecl: 
               Type: int
 20            Identifier: h
 20         (formals) VarDecl: 
 20            NamedType: 
 20               Identifier: Animal
 20            Identifier: m
 20         (formals) VarDecl: 
               Type: bool
 20            Identifier: spot
            (body) StmtBlock: 
 21            ExprStmt: 
 21               AssignExpr: 
 21                  FieldAccess: 
 21                     Identifier: isSpotted
 21                  Operator: =
 21                  FieldAccess: 
 21                     Identifier: spot
 22            ExprStmt: 
 22               Call: 
 22                  Identifier: InitAnimal
 22                  (actuals) FieldAccess: 
 22                     Identifier: h
 22                  (actuals) FieldAccess: 
 22                     Identifier: m
 24      FnDecl: 
            (return type) Type: bool
 24         Identifier: IsSpottedCow
            (body) StmtBlock: 
 25            ReturnStmt: 
 25               FieldAccess: 
 25                  Identifier: isSpotted
 30   FnDecl: 
         (return type) Type: void
 30      Identifier: main
         (body) StmtBlock: 
 31         VarDecl: 
 31            NamedType: 
 31               Identifier: Cow
 31            Identifier: betsy
 32         VarDecl: 
 32            NamedType: 
 32               Identifier: Animal
 32            Identifier: b
 33         ExprStmt: 
 33            AssignExpr: 
 33               FieldAccess: 
 33                  Identifier: betsy
 33               Operator: =
 33               NewExpr: 
 33                  NamedType: 
 33                     Identifier: Cow
 35         ExprStmt: 
 35            Call: 
 35               FieldAccess: 
 35                  Identifier: betsy
 35               Identifier: InitCow
 35               (actuals) IntConstant: 5
 35               (actuals) NullConstant: 
 35               (actuals) BoolConstant: true
 36         ExprStmt: 
 36            AssignExpr: 
 36               FieldAccess: 
 36                  Identifier: b
 36               Operator: =
 36               FieldAccess: 
 36                  Identifier: betsy
 37         ExprStmt: 
 37            Call: 
 37               FieldAccess: 
 37                  Identifier: b
 37               Identifier: GetMom