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Made JsonBuffer destructor protected

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This commit is contained in:
Benoit Blanchon
2017-07-18 22:00:06 +02:00
parent 2ea7ea153c
commit 729bf0afd2
3 changed files with 21 additions and 51 deletions
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28
src/ArduinoJson/JsonBuffer.hpp
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@@ -16,16 +16,6 @@
#include "TypeTraits/EnableIf.hpp"
#include "TypeTraits/IsArray.hpp"
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
namespace ArduinoJson {
class JsonArray;
class JsonObject;
@@ -37,11 +27,6 @@ class JsonObject;
// fixed memory allocation.
class JsonBuffer : Internals::NonCopyable {
public:
// CAUTION: NO VIRTUAL DESTRUCTOR!
// If we add a virtual constructor the Arduino compiler will add malloc() and
// free() to the binary, adding 706 useless bytes.
// virtual ~JsonBuffer() {}
// Allocates an empty JsonArray.
//
// Returns a reference to the new JsonArray or JsonArray::invalid() if the
@@ -77,6 +62,11 @@ class JsonBuffer : Internals::NonCopyable {
virtual void *alloc(size_t size) = 0;
protected:
// CAUTION: NO VIRTUAL DESTRUCTOR!
// If we add a virtual constructor the Arduino compiler will add malloc()
// and free() to the binary, adding 706 useless bytes.
~JsonBuffer() {}
// Preserve aligment if necessary
static FORCE_INLINE size_t round_size_up(size_t bytes) {
#if ARDUINOJSON_ENABLE_ALIGNMENT
@@ -88,11 +78,3 @@ class JsonBuffer : Internals::NonCopyable {
}
};
}
#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic pop
#endif
#endif

21
src/ArduinoJson/JsonBufferBase.hpp
View File

@@ -9,16 +9,6 @@
#include "Deserialization/JsonParser.hpp"
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
namespace ArduinoJson {
template <typename TDerived>
class JsonBufferBase : public JsonBuffer {
@@ -127,17 +117,12 @@ class JsonBufferBase : public JsonBuffer {
return Internals::makeParser(that(), json, nestingLimit).parseVariant();
}
protected:
~JsonBufferBase() {}
private:
TDerived *that() {
return static_cast<TDerived *>(this);
}
};
}
#if defined(__clang__)
#pragma clang diagnostic pop
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic pop
#endif
#endif

23
src/ArduinoJson/StaticJsonBuffer.hpp
View File

@@ -9,16 +9,6 @@
#include "JsonBufferBase.hpp"
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
namespace ArduinoJson {
class StaticJsonBufferBase : public JsonBufferBase<StaticJsonBufferBase> {
@@ -81,6 +71,9 @@ class StaticJsonBufferBase : public JsonBufferBase<StaticJsonBufferBase> {
return String(this);
}
protected:
~StaticJsonBufferBase() {}
private:
void alignNextAlloc() {
_size = round_size_up(_size);
@@ -101,6 +94,16 @@ class StaticJsonBufferBase : public JsonBufferBase<StaticJsonBufferBase> {
size_t _size;
};
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#elif defined(__GNUC__)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
// Implements a JsonBuffer with fixed memory allocation.
// The template paramenter CAPACITY specifies the capacity of the buffer in
// bytes.