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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, Scope* parent);
     41 
     42     bool isScalar() const override;
     43 
     44     bool isElidableType() const override;
     45     const ScalarType *resolveToScalarType() const override;
     46 
     47     bool deepCanCheckEquality(std::unordered_set<const Type*>* visited) const override;
     48 
     49     std::string typeName() const override;
     50     bool isValidEnumStorageType() const;
     51 
     52     std::string getCppType(
     53             StorageMode mode,
     54             bool specifyNamespaces) const override;
     55 
     56     std::string getJavaType(bool forInitializer) const override;
     57 
     58     std::string getJavaWrapperType() const override;
     59     std::string getJavaSuffix() const override;
     60 
     61     std::string getVtsType() const override;
     62     std::string getVtsScalarType() const;
     63 
     64     void emitReaderWriter(
     65             Formatter &out,
     66             const std::string &name,
     67             const std::string &parcelObj,
     68             bool parcelObjIsPointer,
     69             bool isReader,
     70             ErrorMode mode) const override;
     71 
     72     void emitReaderWriterWithCast(
     73             Formatter &out,
     74             const std::string &name,
     75             const std::string &parcelObj,
     76             bool parcelObjIsPointer,
     77             bool isReader,
     78             ErrorMode mode,
     79             bool needsCast) const;
     80 
     81     void emitHexDump(
     82             Formatter &out,
     83             const std::string &streamName,
     84             const std::string &name) const;
     85 
     86     void emitConvertToJavaHexString(
     87             Formatter &out,
     88             const std::string &name) const;
     89 
     90     void emitJavaFieldReaderWriter(
     91             Formatter &out,
     92             size_t depth,
     93             const std::string &parcelName,
     94             const std::string &blobName,
     95             const std::string &fieldName,
     96             const std::string &offset,
     97             bool isReader) const override;
     98 
     99     void emitVtsTypeDeclarations(Formatter& out) const override;
    100 
    101     void getAlignmentAndSize(size_t *align, size_t *size) const override;
    102 
    103     Kind getKind() const;
    104 
    105 private:
    106     Kind mKind;
    107 
    108     DISALLOW_COPY_AND_ASSIGN(ScalarType);
    109 };
    110 
    111 }  // namespace android
    112 
    113 #endif  // SCALAR_TYPE_H_
    114