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// Basic Data types, abstract (not yet machine specific)
#pragma once
#include <cstdint>
#include <memory>
#include <vector>
namespace FlowGraph {
// Data models:
// 64 bit Linux: LLP64
// 64 bit Windows: LP64
//
// Explicitely NOT defined here:
// * Size (same as Pointer, LongLong on Linux and Windows)
// * Bool (Byte)
// * Long (different on Linux (64 bit) and Windows (32 bit))
enum class DataType: int
{
Char, // 8 bit
UChar, // 8 bit
Short, // 16 bit on 64 bit Linux and Windows
UShort,
Int, // 32 bit on 64 bit Linux and Windows
UInt,
LongLong, // 64 bit on 64 bit Linux and Windows
ULongLong,
Pointer, // 64 bit on 64 bit Linux and Windows, size is same size
Float, // 32 bit, IEEE 754
Double // 64 bit, IEEE 754
};
class Storage; ///< forward declaration
// Argument for Operations
// -> includes identity of data point, e.g. a local int variable
// Built up as a list of Data instances for global and local data points in parallel to FlowGraph
class Data
{
public:
Data(DataType type, std::shared_ptr<Storage> storage);
DataType type() const;
std::shared_ptr<Storage> storage() const;
bool operator==(const Data& other) const;
private:
const DataType m_type;
std::shared_ptr<Storage> m_storage;
};
}
namespace GlobalData {
#if 0
// variable of simple or struct type
class Element
{
private:
size_t size;
std::vector<uint8_t> data; // may be empty if uninitialized
};
class Segment: public std::vector<Element>
{
};
#endif
}
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