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      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 #ifndef SCALAR_TYPE_H_
     18 
     19 #define SCALAR_TYPE_H_
     20 
     21 #include "Type.h"
     22 
     23 namespace android {
     24 
     25 struct ScalarType : public Type {
     26     enum Kind {
     27         KIND_BOOL,
     28         KIND_INT8,
     29         KIND_UINT8,
     30         KIND_INT16,
     31         KIND_UINT16,
     32         KIND_INT32,
     33         KIND_UINT32,
     34         KIND_INT64,
     35         KIND_UINT64,
     36         KIND_FLOAT,
     37         KIND_DOUBLE,
     38     };
     39 
     40     ScalarType(Kind kind);
     41 
     42     bool isScalar() const override;
     43 
     44     bool isElidableType() const override;
     45     const ScalarType *resolveToScalarType() const override;
     46 
     47     bool canCheckEquality() const override;
     48 
     49     std::string typeName() const override;
     50     bool isValidEnumStorageType() const;
     51 
     52     void addNamedTypesToSet(std::set<const FQName> &set) const override;
     53 
     54     std::string getCppType(
     55             StorageMode mode,
     56             bool specifyNamespaces) const override;
     57 
     58     std::string getJavaType(bool forInitializer) const override;
     59 
     60     std::string getJavaWrapperType() const override;
     61     std::string getJavaSuffix() const override;
     62 
     63     std::string getVtsType() const override;
     64     std::string getVtsScalarType() const;
     65 
     66     void emitReaderWriter(
     67             Formatter &out,
     68             const std::string &name,
     69             const std::string &parcelObj,
     70             bool parcelObjIsPointer,
     71             bool isReader,
     72             ErrorMode mode) const override;
     73 
     74     void emitReaderWriterWithCast(
     75             Formatter &out,
     76             const std::string &name,
     77             const std::string &parcelObj,
     78             bool parcelObjIsPointer,
     79             bool isReader,
     80             ErrorMode mode,
     81             bool needsCast) const;
     82 
     83     void emitHexDump(
     84             Formatter &out,
     85             const std::string &streamName,
     86             const std::string &name) const;
     87 
     88     void emitConvertToJavaHexString(
     89             Formatter &out,
     90             const std::string &name) const;
     91 
     92     void emitJavaFieldReaderWriter(
     93             Formatter &out,
     94             size_t depth,
     95             const std::string &parcelName,
     96             const std::string &blobName,
     97             const std::string &fieldName,
     98             const std::string &offset,
     99             bool isReader) const override;
    100 
    101     status_t emitVtsTypeDeclarations(Formatter &out) const override;
    102 
    103     void getAlignmentAndSize(size_t *align, size_t *size) const override;
    104 
    105     Kind getKind() const;
    106 
    107 private:
    108     Kind mKind;
    109 
    110     DISALLOW_COPY_AND_ASSIGN(ScalarType);
    111 };
    112 
    113 }  // namespace android
    114 
    115 #endif  // SCALAR_TYPE_H_
    116