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YGNode: one byte of private storage

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Summary:
Adds one byte of private storage to `YGNode`, intended to be used by Yoga itself.

This is in previously unused alignment space, and won’t cause more memory to be allocated.

Reviewed By: SidharthGuglani

Differential Revision: D15296732

fbshipit-source-id: 3caf0a3cd506e4e324e51c31869c69be5781d476
This commit is contained in:
David Aurelio
2019-05-16 11:42:31 -07:00
committed by Facebook Github Bot
parent 1180afed9c
commit 8dc46c0a87
1 changed files with 5 additions and 0 deletions
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5
yoga/YGNode.h
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@@ -5,6 +5,7 @@
* file in the root directory of this source tree. * file in the root directory of this source tree.
*/ */
#pragma once #pragma once
#include <cstdint>
#include <stdio.h> #include <stdio.h>
#include "CompactValue.h" #include "CompactValue.h"
#include "YGConfig.h" #include "YGConfig.h"
@@ -27,6 +28,7 @@ private:
bool measureUsesContext_ : 1; bool measureUsesContext_ : 1;
bool baselineUsesContext_ : 1; bool baselineUsesContext_ : 1;
bool printUsesContext_ : 1; bool printUsesContext_ : 1;
uint8_t reserved_ = 0;
union { union {
YGMeasureFunc noContext; YGMeasureFunc noContext;
MeasureWithContextFn withContext; MeasureWithContextFn withContext;
@@ -91,6 +93,9 @@ public:
// Getters // Getters
void* getContext() const { return context_; } void* getContext() const { return context_; }
uint8_t& reserved() { return reserved_; }
uint8_t reserved() const { return reserved_; }
void print(void*); void print(void*);
bool getHasNewLayout() const { return hasNewLayout_; } bool getHasNewLayout() const { return hasNewLayout_; }