1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "PointerType.h"
18
19 #include <hidl-util/Formatter.h>
20 #include <android-base/logging.h>
21
22 namespace android {
23
PointerType(Scope * parent)24 PointerType::PointerType(Scope* parent) : Type(parent, "pointer") {}
25
isPointer() const26 bool PointerType::isPointer() const {
27 return true;
28 }
29
isElidableType() const30 bool PointerType::isElidableType() const {
31 return true;
32 }
33
getCppType(StorageMode,bool) const34 std::string PointerType::getCppType(StorageMode /*mode*/,
35 bool /*specifyNamespaces*/) const {
36 return "void*";
37 }
38
typeName() const39 std::string PointerType::typeName() const {
40 return "local pointer";
41 }
42
getVtsType() const43 std::string PointerType::getVtsType() const {
44 return "TYPE_POINTER";
45 }
46
emitReaderWriter(Formatter & out,const std::string & name,const std::string &,bool,bool,ErrorMode mode) const47 void PointerType::emitReaderWriter(
48 Formatter& out,
49 const std::string& name,
50 const std::string& /*parcelObj*/,
51 bool /*parcelObjIsPointer*/,
52 bool /*isReader*/,
53 ErrorMode mode) const {
54 out << "(void)" << name << ";\n";
55 out << "LOG_ALWAYS_FATAL(\"Pointer is only supported in passthrough mode\");\n\n";
56
57 // always use label if mode is goto
58 handleError(out, mode);
59 }
60
emitReaderWriterEmbedded(Formatter & out,size_t,const std::string & name,const std::string &,bool,const std::string & parcelObj,bool parcelObjIsPointer,bool isReader,ErrorMode mode,const std::string & parentName,const std::string & offsetText) const61 void PointerType::emitReaderWriterEmbedded(
62 Formatter& out,
63 size_t /*depth*/,
64 const std::string& name,
65 const std::string& /*sanitizedName*/,
66 bool /*nameIsPointer*/,
67 const std::string& parcelObj,
68 bool parcelObjIsPointer,
69 bool isReader,
70 ErrorMode mode,
71 const std::string& parentName,
72 const std::string& offsetText) const {
73 out << "(void) " << parcelObj << ";\n";
74 out << "(void) " << parentName << ";\n";
75 out << "(void) (" << offsetText << ");\n";
76
77 // same exact code
78 emitReaderWriter(out, name, parcelObj, parcelObjIsPointer, isReader, mode);
79 }
80
needsEmbeddedReadWrite() const81 bool PointerType::needsEmbeddedReadWrite() const {
82 return true;
83 }
84
resultNeedsDeref() const85 bool PointerType::resultNeedsDeref() const {
86 return false;
87 }
88
deepIsJavaCompatible(std::unordered_set<const Type * > *) const89 bool PointerType::deepIsJavaCompatible(std::unordered_set<const Type*>* /* visited */) const {
90 return false;
91 }
92
deepContainsPointer(std::unordered_set<const Type * > *) const93 bool PointerType::deepContainsPointer(std::unordered_set<const Type*>* /* visited */) const {
94 return true;
95 }
96
emitVtsTypeDeclarations(Formatter & out) const97 void PointerType::emitVtsTypeDeclarations(Formatter& out) const {
98 out << "type: " << getVtsType() << "\n";
99 }
100
101 } // namespace android
102
103