Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 1 | #include "ArrayType.h" |
| 2 | |
| 3 | #include "Formatter.h" |
| 4 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame^] | 5 | #include <android-base/logging.h> |
| 6 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 7 | namespace android { |
| 8 | |
| 9 | ArrayType::ArrayType(Type *elementType, const char *dimension) |
| 10 | : mElementType(elementType), |
| 11 | mDimension(dimension) { |
| 12 | } |
| 13 | |
| 14 | void ArrayType::dump(Formatter &out) const { |
| 15 | mElementType->dump(out); |
| 16 | out << "[" << mDimension << "]"; |
| 17 | } |
| 18 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame^] | 19 | std::string ArrayType::getCppType(StorageMode mode, std::string *extra) const { |
| 20 | const std::string base = mElementType->getCppType(extra); |
| 21 | |
| 22 | CHECK(extra->empty()); |
| 23 | |
| 24 | *extra = "[" + mDimension + "]"; |
| 25 | |
| 26 | switch (mode) { |
| 27 | case StorageMode_Stack: |
| 28 | return base; |
| 29 | |
| 30 | case StorageMode_Argument: |
| 31 | return "const " + base; |
| 32 | |
| 33 | case StorageMode_Result: |
| 34 | { |
| 35 | extra->clear(); |
| 36 | return "const " + base + "*"; |
| 37 | } |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | void ArrayType::emitReaderWriter( |
| 42 | Formatter &out, |
| 43 | const std::string &name, |
| 44 | const std::string &parcelObj, |
| 45 | bool parcelObjIsPointer, |
| 46 | bool isReader, |
| 47 | ErrorMode mode) const { |
| 48 | std::string baseExtra; |
| 49 | std::string baseType = mElementType->getCppType(&baseExtra); |
| 50 | |
| 51 | const std::string parentName = "_aidl_" + name + "_parent"; |
| 52 | |
| 53 | out << "size_t " << parentName << ";\n\n"; |
| 54 | |
| 55 | const std::string parcelObjDeref = |
| 56 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 57 | |
| 58 | if (isReader) { |
| 59 | out << name |
| 60 | << " = (const " |
| 61 | << baseType |
| 62 | << " *)" |
| 63 | << parcelObjDeref |
| 64 | << "readBuffer(&" |
| 65 | << parentName |
| 66 | << ");\n\n"; |
| 67 | |
| 68 | out << "if (" << name << " == nullptr) {\n"; |
| 69 | |
| 70 | out.indent(); |
| 71 | |
| 72 | out << "_aidl_err = ::android::UNKNOWN_ERROR;\n"; |
| 73 | handleError2(out, mode); |
| 74 | |
| 75 | out.unindent(); |
| 76 | out << "}\n\n"; |
| 77 | } else { |
| 78 | out << "_aidl_err = " |
| 79 | << parcelObjDeref |
| 80 | << "writeBuffer(" |
| 81 | << name |
| 82 | << ", " |
| 83 | << mDimension |
| 84 | << " * sizeof(" |
| 85 | << baseType |
| 86 | << "), &" |
| 87 | << parentName |
| 88 | << ");\n"; |
| 89 | |
| 90 | handleError(out, mode); |
| 91 | } |
| 92 | |
| 93 | emitReaderWriterEmbedded( |
| 94 | out, |
| 95 | name, |
| 96 | isReader /* nameIsPointer */, |
| 97 | parcelObj, |
| 98 | parcelObjIsPointer, |
| 99 | isReader, |
| 100 | mode, |
| 101 | parentName, |
| 102 | "0 /* parentOffset */"); |
| 103 | } |
| 104 | |
| 105 | void ArrayType::emitReaderWriterEmbedded( |
| 106 | Formatter &out, |
| 107 | const std::string &name, |
| 108 | bool nameIsPointer, |
| 109 | const std::string &parcelObj, |
| 110 | bool parcelObjIsPointer, |
| 111 | bool isReader, |
| 112 | ErrorMode mode, |
| 113 | const std::string &parentName, |
| 114 | const std::string &offsetText) const { |
| 115 | if (!mElementType->needsEmbeddedReadWrite()) { |
| 116 | return; |
| 117 | } |
| 118 | |
| 119 | const std::string nameDeref = name + (nameIsPointer ? "->" : "."); |
| 120 | |
| 121 | std::string baseExtra; |
| 122 | std::string baseType = mElementType->getCppType(&baseExtra); |
| 123 | |
| 124 | out << "for (size_t _aidl_index = 0; _aidl_index < " |
| 125 | << mDimension |
| 126 | << "; ++_aidl_index) {\n"; |
| 127 | |
| 128 | out.indent(); |
| 129 | |
| 130 | mElementType->emitReaderWriterEmbedded( |
| 131 | out, |
| 132 | name + "[_aidl_index]", |
| 133 | false /* nameIsPointer */, |
| 134 | parcelObj, |
| 135 | parcelObjIsPointer, |
| 136 | isReader, |
| 137 | mode, |
| 138 | parentName, |
| 139 | offsetText + " + _aidl_index * sizeof(" + baseType + ")"); |
| 140 | |
| 141 | out.unindent(); |
| 142 | |
| 143 | out << "}\n\n"; |
| 144 | } |
| 145 | |
| 146 | bool ArrayType::needsEmbeddedReadWrite() const { |
| 147 | return mElementType->needsEmbeddedReadWrite(); |
| 148 | } |
| 149 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 150 | } // namespace android |
| 151 | |