expressions.out

编译原理课程设计之pp2语法分析程序

   Program: 
  3   FnDecl: 
         (return type) Type: int
  3      Identifier: foo
  3      (formals) VarDecl: 
            Type: int
  3         Identifier: a
  3      (formals) VarDecl: 
            Type: double
  3         Identifier: b
  3      (formals) VarDecl: 
            Type: bool
  3         Identifier: c
         (body) StmtBlock: 
  4         ReturnStmt: 
  4            ArithmeticExpr: 
  4               FieldAccess: 
  4                  Identifier: a
  4               Operator: +
  4               IntConstant: 2
  7   FnDecl: 
         (return type) Type: void
  7      Identifier: main
         (body) StmtBlock: 
  8         VarDecl: 
               Type: int
  8            Identifier: b
  9         VarDecl: 
               Type: int
  9            Identifier: a
 10         VarDecl: 
               Type: double
 10            Identifier: d
 11         VarDecl: 
               Type: string
 11            Identifier: c
 13         ExprStmt: 
 13            AssignExpr: 
 13               FieldAccess: 
 13                  Identifier: d
 13               Operator: =
 13               ArithmeticExpr: 
 13                  ArithmeticExpr: 
 13                     IntConstant: 2
 13                     Operator: +
 13                     ArithmeticExpr: 
 13                        IntConstant: 3
 13                        Operator: *
 13                        IntConstant: 4
 13                  Operator: -
 13                  ArithmeticExpr: 
 13                     IntConstant: 6
 13                     Operator: /
 13                     IntConstant: 2
 14         ExprStmt: 
 14            AssignExpr: 
 14               FieldAccess: 
 14                  Identifier: b
 14               Operator: =
 14               ReadIntegerExpr: 
 15         ExprStmt: 
 15            AssignExpr: 
 15               FieldAccess: 
 15                  Identifier: a
 15               Operator: =
 15               ArithmeticExpr: 
 15                  FieldAccess: 
 15                     Identifier: b
 15                  Operator: +
 15                  IntConstant: 2
 16         ExprStmt: 
 16            AssignExpr: 
 16               FieldAccess: 
 16                  Identifier: c
 16               Operator: =
 16               ConditionalExpr: 
 16                  EqualityExpr: 
 16                     FieldAccess: 
 16                        Identifier: a
 16                     Operator: ==
 16                     IntConstant: 2
 16                  Operator: ?
 16                  StringConstant: "a=2"
 16                  Operator: :
 16                  StringConstant: "a!=2"
            PrintStmt: 
 17            (args) FieldAccess: 
 17               Identifier: a
 17            (args) FieldAccess: 
 17               Identifier: b
 17            (args) FieldAccess: 
 17               Identifier: d
 18         ExprStmt: 
 18            Call: 
 18               Identifier: foo
 18               (actuals) FieldAccess: 
 18                  Identifier: a
 18               (actuals) FieldAccess: 
 18                  Identifier: d
 18               (actuals) LogicalExpr: 
 18                  Operator: !
 18                  BoolConstant: true
 19         ExprStmt: 
 19            Call: 
 19               Identifier: foo
 19               (actuals) ArithmeticExpr: 
 19                  FieldAccess: 
 19                     Identifier: a
 19                  Operator: +
 19                  IntConstant: 2
 19               (actuals) ArithmeticExpr: 
 19                  FieldAccess: 
 19                     Identifier: d
 19                  Operator: /
 19                  IntConstant: 2
 19               (actuals) LogicalExpr: 
 19                  EqualityExpr: 
 19                     FieldAccess: 
 19                        Identifier: a
 19                     Operator: ==
 19                     FieldAccess: 
 19                        Identifier: b
 19                  Operator: &&
 19                  RelationalExpr: 
 19                     FieldAccess: 
 19                        Identifier: d
 19                     Operator: >=
 19                     DoubleConstant: 1