1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INTERFACE_H_
#define INTERFACE_H_
#include <vector>
#include <hidl-hash/Hash.h>
#include "ConstantExpression.h"
#include "Reference.h"
#include "Scope.h"
namespace android {
struct Method;
struct InterfaceAndMethod;
struct Interface : public Scope {
const static std::unique_ptr<ConstantExpression> FLAG_ONE_WAY;
Interface(const char* localName, const FQName& fullName, const Location& location,
Scope* parent, const Reference<Type>& superType, const Hash* fileHash);
const Hash* getFileHash() const;
bool addMethod(Method *method);
bool addAllReservedMethods();
bool isElidableType() const override;
bool isInterface() const override;
bool isIBase() const { return fqName() == gIBaseFqName; }
std::string typeName() const override;
const Interface* superType() const;
// Super type chain to root type.
// First element is superType().
std::vector<const Interface *> superTypeChain() const;
// Super type chain to root type, including myself.
// First element is this.
std::vector<const Interface *> typeChain() const;
// user defined methods (explicit definition in HAL files)
const std::vector<Method *> &userDefinedMethods() const;
// HIDL reserved methods (every interface has these implicitly defined)
const std::vector<Method *> &hidlReservedMethods() const;
// the sum of userDefinedMethods() and hidlReservedMethods().
std::vector<Method *> methods() const;
// userDefinedMethods() for all super type + methods()
// The order will be as follows (in the transaction code order):
// great-great-...-great-grand parent->userDefinedMethods()
// ...
// parent->userDefinedMethods()
// this->userDefinedMethods()
// this->hidlReservedMethods()
std::vector<InterfaceAndMethod> allMethodsFromRoot() const;
// allMethodsFromRoot for parent
std::vector<InterfaceAndMethod> allSuperMethodsFromRoot() const;
// aliases for corresponding methods in this->fqName()
std::string getBaseName() const;
std::string getAdapterName() const;
std::string getProxyName() const;
std::string getStubName() const;
std::string getPassthroughName() const;
std::string getHwName() const;
FQName getProxyFqName() const;
FQName getStubFqName() const;
FQName getPassthroughFqName() const;
std::string getCppType(
StorageMode mode,
bool specifyNamespaces) const override;
std::string getJavaType(bool forInitializer) const override;
std::string getVtsType() const override;
std::vector<const Reference<Type>*> getReferences() const override;
std::vector<const Reference<Type>*> getStrongReferences() const override;
std::vector<const ConstantExpression*> getConstantExpressions() const override;
status_t resolveInheritance() override;
status_t validate() const override;
status_t validateUniqueNames() const;
status_t validateAnnotations() const;
void emitReaderWriter(
Formatter &out,
const std::string &name,
const std::string &parcelObj,
bool parcelObjIsPointer,
bool isReader,
ErrorMode mode) const override;
void emitPackageTypeDeclarations(Formatter& out) const override;
void emitPackageTypeHeaderDefinitions(Formatter& out) const override;
void emitTypeDefinitions(Formatter& out, const std::string& prefix) const override;
void getAlignmentAndSize(size_t* align, size_t* size) const override;
void emitJavaReaderWriter(
Formatter &out,
const std::string &parcelObj,
const std::string &argName,
bool isReader) const override;
void emitVtsAttributeType(Formatter& out) const override;
void emitVtsAttributeDeclaration(Formatter& out) const;
void emitVtsMethodDeclaration(Formatter& out, bool isInherited) const;
bool hasOnewayMethods() const;
bool deepIsJavaCompatible(std::unordered_set<const Type*>* visited) const override;
bool isNeverStrongReference() const override;
private:
Reference<Type> mSuperType;
std::vector<Method*> mUserMethods;
std::vector<Method*> mReservedMethods;
const Hash* mFileHash;
bool fillPingMethod(Method* method) const;
bool fillDescriptorChainMethod(Method* method) const;
bool fillGetDescriptorMethod(Method* method) const;
bool fillHashChainMethod(Method* method) const;
bool fillSyspropsChangedMethod(Method* method) const;
bool fillLinkToDeathMethod(Method* method) const;
bool fillUnlinkToDeathMethod(Method* method) const;
bool fillSetHALInstrumentationMethod(Method* method) const;
bool fillGetDebugInfoMethod(Method* method) const;
bool fillDebugMethod(Method* method) const;
void emitDigestChain(
Formatter& out, const std::string& prefix, const std::vector<const Interface*>& chain,
std::function<std::string(std::unique_ptr<ConstantExpression>)> byteToString) const;
DISALLOW_COPY_AND_ASSIGN(Interface);
};
// An interface / method tuple.
struct InterfaceAndMethod {
InterfaceAndMethod(const Interface *iface, Method *method)
: mInterface(iface),
mMethod(method) {}
Method *method() const { return mMethod; }
const Interface *interface() const { return mInterface; }
private:
// do not own these objects.
const Interface *mInterface;
Method *mMethod;
};
} // namespace android
#endif // INTERFACE_H_
|
