eRPC Generator (erpcgen)  Rev. 1.9.0
NXP Semiconductors
UnionType.h
1 /*
2  * Copyright (c) 2016, Freescale Semiconductor, Inc.
3  * Copyright 2016-2017 NXP
4  * All rights reserved.
5  *
6  *
7  * SPDX-License-Identifier: BSD-3-Clause
8  */
9 
10 #ifndef _EMBEDDED_RPC__UNIONTYPE_H_
11 #define _EMBEDDED_RPC__UNIONTYPE_H_
12 
13 #include "DataType.h"
14 #include "StructType.h"
15 #include "UnionCase.h"
16 
17 #include <map>
18 
20 // Classes
22 
23 namespace erpcgen {
24 
28 class UnionType : public DataType
29 {
30 public:
31  typedef std::vector<UnionCase *> case_vector_t;
42  UnionType(const std::string &name, const std::string &discriminatorName)
43  : DataType(name, kUnionType, kUnionTypeSymbol)
44  , m_discriminator(discriminatorName)
45  , m_members("(union)")
46  , m_parentStruct(nullptr)
47  {
48  }
49 
59  UnionType(const Token &tok, const std::string &discriminatorName)
60  : DataType(tok, kUnionType, kUnionTypeSymbol)
61  , m_discriminator(discriminatorName)
62  , m_members("(union)")
63  , m_parentStruct(nullptr)
64  {
65  }
66 
70  StructType *getParentStruct() { return m_parentStruct; }
71 
75  void setParentStruct(StructType *parent) { m_parentStruct = parent; }
76 
82  void addCase(UnionCase *unionCase);
83 
97  virtual std::string getDescription() const;
98 
104  virtual bool isUnion() const { return true; }
105 
112  bool isNonEncapsulatedUnion() const { return m_discriminator.compare("") == 0; }
113 
119  case_vector_t &getCases() { return m_unionCases; }
120 
126  case_vector_t getUniqueCases();
127 
134  bool addUnionMemberDeclaration(const std::string &name, DataType *dataType);
135 
141  StructType &getUnionMembers() { return m_members; }
142 
150  StructMember *getUnionMemberDeclaration(const std::string &name);
151 
157  std::string getDiscriminatorName() { return m_discriminator; }
158 
162  void printUnionMembers();
163 
172  bool declarationExists(const std::string &name);
173 
174 private:
175  std::string m_discriminator;
176  case_vector_t m_unionCases;
177  StructType m_members;
178  StructType *m_parentStruct;
189  bool casesAreTheSame(UnionCase *a, UnionCase *b);
190 };
191 
192 } // namespace erpcgen
193 
194 #endif // _EMBEDDED_RPC__UNIONTYPE_H_
case_vector_t getUniqueCases()
This function returns unique union cases vector.
Definition: Type.cpp:591
virtual bool isUnion() const
This function return "true" value for identify union type.
Definition: UnionType.h:104
Member of a struct.
Definition: StructMember.h:38
void printUnionMembers()
This function prints information about union members.
Definition: Type.cpp:666
std::vector< UnionCase * > case_vector_t
Definition: UnionType.h:31
StructMember * getUnionMemberDeclaration(const std::string &name)
This function returns union member declaration.
Definition: Type.cpp:654
Discriminated union case type.
Definition: UnionCase.h:26
Structure data type.
Definition: StructType.h:29
void setParentStruct(StructType *parent)
Sets the struct owning this union.
Definition: UnionType.h:75
void addCase(UnionCase *unionCase)
This function will add union case to current union.
Definition: Type.cpp:575
virtual std::string getDescription() const
This function returns description about the union.
Definition: Type.cpp:581
StructType & getUnionMembers()
This function returns struct of union members.
Definition: UnionType.h:141
UnionType(const Token &tok, const std::string &discriminatorName)
Constructor.
Definition: UnionType.h:59
std::string getDiscriminatorName()
This function returns union discriminator name.
Definition: UnionType.h:157
Base class for data types.
Definition: DataType.h:26
Encapsulates all information about a token.
Definition: Token.h:60
UnionType(const std::string &name, const std::string &discriminatorName)
Constructor.
Definition: UnionType.h:42
bool isNonEncapsulatedUnion() const
This function return "true" value for identify non-encapsulated discriminated union type...
Definition: UnionType.h:112
Discriminated union data type.
Definition: UnionType.h:28
StructType * getParentStruct()
Returns the struct owning this union.
Definition: UnionType.h:70
bool addUnionMemberDeclaration(const std::string &name, DataType *dataType)
This function adds unique union member declaration.
Definition: Type.cpp:631
case_vector_t & getCases()
This function returns union cases vector.
Definition: UnionType.h:119
Definition: AstNode.h:26
bool declarationExists(const std::string &name)
This function is looking for member declaration.
Definition: Type.cpp:642