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/*
* GCodeMachineState.cpp
*
* Created on: 15 Nov 2016
* Author: David
*/
#include "GCodeMachineState.h"
GCodeMachineState *GCodeMachineState::freeList = nullptr;
unsigned int GCodeMachineState::numAllocated = 0;
// Create a default initialised GCodeMachineState
GCodeMachineState::GCodeMachineState()
: previous(nullptr), feedRate(DefaultFeedRate * SecondsToMinutes), fileState(), lockedResources(0), errorMessage(nullptr), lineNumber(0),
drivesRelative(false), axesRelative(false), doingFileMacro(false), runningM501(false), runningM502(false),
volumetricExtrusion(false), g53Active(false), runningSystemMacro(false), usingInches(false),
waitingForAcknowledgement(false), messageAcknowledged(false),
indentLevel(0), state(GCodeState::normal)
{
}
// Allocate a new GCodeMachineState
/*static*/ GCodeMachineState *GCodeMachineState::Allocate()
{
GCodeMachineState *ms = freeList;
if (ms != nullptr)
{
freeList = ms->previous;
ms->lockedResources = 0;
ms->errorMessage = nullptr;
ms->state = GCodeState::normal;
}
else
{
ms = new GCodeMachineState();
++numAllocated;
}
return ms;
}
/*static*/ void GCodeMachineState::Release(GCodeMachineState *ms)
{
ms->fileState.Close();
ms->previous = freeList;
freeList = ms;
}
/*static*/ unsigned int GCodeMachineState::GetNumInUse()
{
unsigned int inUse = numAllocated;
for (GCodeMachineState *ms = freeList; ms != nullptr; ms = ms->previous)
{
--inUse;
}
return inUse;
}
GCodeMachineState::BlockState& GCodeMachineState::CurrentBlockState()
{
return blockStates[min<size_t>(indentLevel, ARRAY_SIZE(blockStates) - 1)];
}
void GCodeMachineState::CreateBlock()
{
++indentLevel;
CurrentBlockState().SetPlainBlock();
}
void GCodeMachineState::EndBlock()
{
if (indentLevel != 0)
{
--indentLevel;
}
}
// End
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