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/*
* GCodeMachineState.cpp
*
* Created on: 15 Nov 2016
* Author: David
*/
#include "GCodeMachineState.h"
#include "RepRap.h"
#include <limits>
#if HAS_LINUX_INTERFACE
static unsigned int LastFileId = 1;
#endif
// Create a default initialised GCodeMachineState
GCodeMachineState::GCodeMachineState() noexcept
: previous(nullptr), feedRate(DefaultFeedRate * SecondsToMinutes),
#if HAS_LINUX_INTERFACE
fileId(0),
#endif
lockedResources(0), errorMessage(nullptr),
lineNumber(0),
compatibility(Compatibility::reprapFirmware), drivesRelative(false), axesRelative(false),
#if HAS_LINUX_INTERFACE
isFileFinished(false), fileError(false),
#endif
doingFileMacro(false), waitWhileCooling(false), runningM501(false), runningM502(false),
volumetricExtrusion(false), g53Active(false), runningSystemMacro(false), usingInches(false),
waitingForAcknowledgement(false), messageAcknowledged(false), blockNesting(0), state(GCodeState::normal)
{
blockStates[0].SetPlainBlock(0);
}
// Copy constructor. This chains the new one to the previous one.
GCodeMachineState::GCodeMachineState(GCodeMachineState& prev, bool withinSameFile) noexcept
: previous(&prev), feedRate(prev.feedRate),
#if HAS_MASS_STORAGE
fileState(prev.fileState),
#endif
#if HAS_LINUX_INTERFACE
fileId(prev.fileId),
#endif
lockedResources(prev.lockedResources), errorMessage(nullptr),
lineNumber((withinSameFile) ? prev.lineNumber : 0),
compatibility(prev.compatibility), drivesRelative(prev.drivesRelative), axesRelative(prev.axesRelative),
#if HAS_LINUX_INTERFACE
isFileFinished(prev.isFileFinished), fileError(false),
#endif
doingFileMacro(prev.doingFileMacro), waitWhileCooling(prev.waitWhileCooling), runningM501(prev.runningM501), runningM502(prev.runningM502),
volumetricExtrusion(false), g53Active(false), runningSystemMacro(prev.runningSystemMacro), usingInches(prev.usingInches),
waitingForAcknowledgement(false), messageAcknowledged(false), blockNesting((withinSameFile) ? prev.blockNesting : 0), state(GCodeState::normal)
{
if (withinSameFile)
{
for (size_t i = 0; i <= blockNesting; ++i)
{
blockStates[i] = prev.blockStates[i];
}
}
else
{
blockStates[0].SetPlainBlock(0);
}
}
GCodeMachineState::~GCodeMachineState() noexcept
{
#if HAS_MASS_STORAGE
# if HAS_LINUX_INTERFACE
if (!reprap.UsingLinuxInterface())
# endif
{
fileState.Close();
}
#endif
}
#if HAS_LINUX_INTERFACE
// Set the state to indicate a file is being processed
void GCodeMachineState::SetFileExecuting() noexcept
{
fileId = LastFileId++;
isFileFinished = fileError = false;
}
// Mark the currently executing file as finished
void GCodeMachineState::SetFileFinished(bool error) noexcept
{
isFileFinished = true;
fileError = error;
}
#endif
bool GCodeMachineState::DoingFile() const noexcept
{
#if HAS_LINUX_INTERFACE
if (reprap.UsingLinuxInterface())
{
return fileId != 0;
}
#endif
#if HAS_MASS_STORAGE
return fileState.IsLive();
#else
return false;
#endif
}
// Close the currently executing file
void GCodeMachineState::CloseFile() noexcept
{
#if HAS_LINUX_INTERFACE
if (reprap.UsingLinuxInterface())
{
for (GCodeMachineState *ms = this; ms != nullptr; ms = ms->previous)
{
if (ms->fileId == fileId)
{
ms->isFileFinished = false;
ms->fileId = 0;
}
}
}
else
#endif
{
#if HAS_MASS_STORAGE
fileState.Close();
#endif
}
}
void GCodeMachineState::CopyStateFrom(const GCodeMachineState& other) noexcept
{
drivesRelative = other.drivesRelative;
axesRelative = other.axesRelative;
feedRate = other.feedRate;
volumetricExtrusion = other.volumetricExtrusion;
usingInches = other.usingInches;
}
GCodeMachineState::BlockState& GCodeMachineState::CurrentBlockState() noexcept
{
return blockStates[blockNesting];
}
const GCodeMachineState::BlockState& GCodeMachineState::CurrentBlockState() const noexcept
{
return blockStates[blockNesting];
}
// Get the number of iterations of the closest enclosing loop in the current file, or -1 if there is on enclosing loop
int32_t GCodeMachineState::GetIterations() const noexcept
{
uint8_t i = blockNesting;
while (true)
{
if (blockStates[i].GetType() == BlockType::loop)
{
return blockStates[i].GetIterations();
}
if (i == 0)
{
return -1;
}
--i;
}
}
// Create a new block returning true if successful, false if maximum indent level exceeded
bool GCodeMachineState::CreateBlock(uint16_t indentLevel) noexcept
{
if (blockNesting + 1 == ARRAY_SIZE(blockStates))
{
return false;
}
++blockNesting;
CurrentBlockState().SetPlainBlock(indentLevel);
return true;
}
void GCodeMachineState::EndBlock() noexcept
{
if (blockNesting != 0)
{
--blockNesting;
}
}
// End
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