#include <Interpreter.hpp>

Public Types
enum	InterpreterStartupMode { SAVE_IMAGE_MODE = 0 , RUN_MODE = 1 }

Static Public Member Functions
static void	init ()

static void	live (size_t)

static void	liveGeneral (int reason)

static void	processStartup ()

static void	processShutdown ()

static void	getResourceLock (const char *ds, int di)

static void	releaseResourceLock (const char *ds, int di)

static void	createLocks ()

static void	closeLocks ()

static int	createInstance (RexxInstance &instance, RexxThreadContext &threadContext, RexxOption *options)

static bool	terminateInterpreter ()

static void	startInterpreter (InterpreterStartupMode mode, const char *imageTarget)

static bool	isTerminated ()

static bool	isActive ()

static bool	lastInstance ()

static InterpreterInstance *	createInterpreterInstance (RexxOption *options)

static InterpreterInstance *	createInterpreterInstance ()

static bool	terminateInterpreterInstance (InterpreterInstance *instance)

static RexxString *	getVersionNumber ()

static void	initLocal ()

static size_t	getInterpreterVersion ()

static size_t	getLanguageLevel ()

static bool	hasTimeSliceElapsed ()

static int	getWordSize ()

static bool	isBigEndian ()

static void	logicError (const char *desc)

static wholenumber_t	messageNumber (RexxString *)

static void	setTimeSliceElapsed ()

static void	clearTimeSliceElapsed ()

static bool	haltAllActivities (RexxString *)

static void	decodeConditionData (RexxDirectory conditionObj, RexxCondition condData)

static RexxClass *	findClass (RexxString *className)

static RexxString *	getCurrentQueue ()

Static Public Attributes
static RexxObject *	localServer = OREF_NULL

Static Protected Attributes
static SysMutex	resourceLock

static int	initializations

static bool	timeSliceElapsed = false

static RexxList *	interpreterInstances = OREF_NULL

static bool	active = false

static RexxString *	versionNumber = OREF_NULL

Detailed Description

Definition at line 59 of file Interpreter.hpp.

Member Enumeration Documentation

◆ InterpreterStartupMode

enum Interpreter::InterpreterStartupMode

Enumerator
SAVE_IMAGE_MODE
RUN_MODE

Definition at line 62 of file Interpreter.hpp.

Member Function Documentation

◆ clearTimeSliceElapsed()

static void Interpreter::clearTimeSliceElapsed ( )

inlinestatic

Definition at line 132 of file Interpreter.hpp.

References timeSliceElapsed.

Referenced by SystemInterpreter::startTimeSlice().

◆ closeLocks()

static void Interpreter::closeLocks ( )

inlinestatic

Definition at line 83 of file Interpreter.hpp.

References SysMutex::close(), and resourceLock.

Referenced by processShutdown().

◆ createInstance()

int Interpreter::createInstance	(	RexxInstance *&	instance,
		RexxThreadContext *&	threadContext,
		RexxOption *	options
	)

static

Create a new instance and return the instance context pointers and thread context pointer for the instance.

Parameters

instance	The returned instance pointer.
threadContext	The returned thread context pointer.
options	Options to apply to this interpreter instance.

Returns: 0 if the instance was created ok.

Definition at line 258 of file Interpreter.cpp.

References createInterpreterInstance(), RexxActivity::deactivate(), InterpreterInstance::getInstanceContext(), InterpreterInstance::getRootActivity(), InterpreterInstance::getRootThreadContext(), RexxActivity::releaseAccess(), and RXAPI_MEMFAIL.

Referenced by RexxCreateInterpreter().

◆ createInterpreterInstance() [1/2]

static InterpreterInstance* Interpreter::createInterpreterInstance ( )

inlinestatic

Definition at line 95 of file Interpreter.hpp.

References createInterpreterInstance().

Referenced by RexxMemory::createImage(), createInstance(), createInterpreterInstance(), InstanceBlock::InstanceBlock(), and NativeContextBlock::NativeContextBlock().

◆ createInterpreterInstance() [2/2]

InterpreterInstance * Interpreter::createInterpreterInstance ( RexxOption * options )

static

Create a new interpreter instance. An interpreter instance is an accessible set of threads that constitutes an interpreter environment for the purposes API access.

Parameters

exits	The set of exits to use for this invocation.
defaultEnvironment	The default addressible environment.

Returns: The new interpreter instance.

Definition at line 293 of file Interpreter.cpp.

References RexxList::append(), ActivityManager::getRootActivity(), InterpreterInstance::initialize(), interpreterInstances, OREF_NULL, RUN_MODE, and startInterpreter().

◆ createLocks()

static void Interpreter::createLocks ( )

inlinestatic

Definition at line 78 of file Interpreter.hpp.

References SysMutex::create(), and resourceLock.

Referenced by processStartup().

◆ decodeConditionData()

void Interpreter::decodeConditionData	(	RexxDirectory *	conditionObj,
		RexxCondition *	condData
	)

static

Decode a condition directory into a easier to use structure form for a native code user. This breaks the directory into its component pieces, including converting values into primitive form using just a single API call.

Parameters

conditionObj	A directory object containing the condition information.
pRexxCondData	The condition data structure that is populated with the condition information.

Definition at line 462 of file Interpreter.cpp.

References RexxCondition::additional, RexxDirectory::at(), RexxCondition::code, RexxCondition::conditionName, RexxCondition::description, RexxCondition::errortext, RexxCondition::message, messageNumber(), OREF_NULL, RexxCondition::position, RexxCondition::program, and RexxCondition::rc.

Referenced by DecodeConditionInfo().

◆ findClass()

RexxClass * Interpreter::findClass ( RexxString * className )

static

Default class resolution processing done without benefit of a program context.

Parameters

className The class name.

Returns: A resolved class object (if any).

Definition at line 522 of file Interpreter.cpp.

References ActivityManager::getLocalEnvironment(), OREF_NULL, TheEnvironment, and RexxString::upper().

Referenced by RexxNativeActivation::findCallerClass(), BaseCode::findClass(), and RexxNativeActivation::findClass().

◆ getCurrentQueue()

RexxString * Interpreter::getCurrentQueue ( )

static

Return the current queue name.

Returns: The name of the current queue.

Definition at line 543 of file Interpreter.cpp.

References ActivityManager::getLocalEnvironment(), OREF_NULL, and RexxObject::sendMessage().

Referenced by RexxActivity::callFunctionExit(), RexxNativeActivation::callRegisteredRoutine(), and RexxNativeActivation::variablePoolFetchPrivate().

◆ getInterpreterVersion()

size_t Interpreter::getInterpreterVersion ( )

static

Get the interpreter version level as a binary number to be returned in the APIs.

Returns: The binary interpreter version level.

Definition at line 92 of file Version.cpp.

References REXX_CURRENT_INTERPRETER_VERSION.

Referenced by InterpreterVersion().

◆ getLanguageLevel()

size_t Interpreter::getLanguageLevel ( )

static

Return the current language level implemented by this interpreter version.

Returns: The current defined language level.

Definition at line 103 of file Version.cpp.

References REXX_CURRENT_LANGUAGE_LEVEL.

Referenced by LanguageLevel().

◆ getResourceLock()

static void Interpreter::getResourceLock	(	const char *	ds,
		int	di
	)

inlinestatic

Definition at line 76 of file Interpreter.hpp.

References SysMutex::request(), and resourceLock.

Referenced by ResourceSection::reacquire(), and ResourceSection::ResourceSection().

◆ getVersionNumber()

RexxString * Interpreter::getVersionNumber ( )

static

Definition at line 52 of file Version.cpp.

References build_date, new_string(), OREF_NULL, versionNumber, and work.

Referenced by RexxMemory::createImage(), RexxInstructionParse::execute(), ProgramMetaData::ProgramMetaData(), and RexxNativeActivation::variablePoolFetchPrivate().

◆ getWordSize()

static int Interpreter::getWordSize ( )

inlinestatic

Definition at line 114 of file Interpreter.hpp.

Referenced by ProgramMetaData::ProgramMetaData(), and ProgramMetaData::validate().

◆ haltAllActivities()

bool Interpreter::haltAllActivities ( RexxString * name )

static

Tell the interpreter to have all of the instances halt its activities.

Definition at line 351 of file Interpreter.cpp.

References RexxList::firstIndex(), RexxList::getValue(), InterpreterInstance::haltAllActivities(), interpreterInstances, LIST_END, and RexxList::nextIndex().

Referenced by SystemInterpreter::processSignal(), and signalHandler().

◆ hasTimeSliceElapsed()

static bool Interpreter::hasTimeSliceElapsed ( )

inlinestatic

Definition at line 102 of file Interpreter.hpp.

References timeSliceElapsed.

Referenced by RexxActivation::run().

◆ init()

void Interpreter::init ( void )

static

Initialize the interpreter subsystem.

Definition at line 77 of file Interpreter.cpp.

References interpreterInstances, and new_list().

Referenced by RexxMemory::createImage(), and RexxMemory::restore().

◆ initLocal()

void Interpreter::initLocal ( )

static

Initialize an instance .local object.

Definition at line 167 of file Interpreter.cpp.

References localServer, RexxObject::messageSend(), and OREF_NULL.

Referenced by InterpreterInstance::initialize().

◆ isActive()

static bool Interpreter::isActive ( )

inlinestatic

Definition at line 92 of file Interpreter.hpp.

References active.

Referenced by RexxHaltThread(), RexxResetThreadTrace(), RexxSetThreadTrace(), startInterpreter(), and terminateInterpreter().

◆ isBigEndian()

static bool Interpreter::isBigEndian ( )

inlinestatic

Definition at line 119 of file Interpreter.hpp.

References LITEND.

Referenced by ProgramMetaData::ProgramMetaData(), and ProgramMetaData::validate().

◆ isTerminated()

static bool Interpreter::isTerminated ( )

inlinestatic

Definition at line 91 of file Interpreter.hpp.

References active.

Referenced by TimeSliceControl().

◆ lastInstance()

bool Interpreter::lastInstance ( )

static

Quick test if we're down to just a single interpreter instance.

Returns: true if we're down to a single interpreter instance.

Definition at line 241 of file Interpreter.cpp.

References interpreterInstances, and RexxList::items().

Referenced by InterpreterInstance::terminate().

◆ live()

void Interpreter::live ( size_t liveMark )

static

Definition at line 83 of file Interpreter.cpp.

References interpreterInstances, localServer, memory_mark, and versionNumber.

Referenced by RexxMemory::live().

◆ liveGeneral()

void Interpreter::liveGeneral ( int reason )

static

Definition at line 90 of file Interpreter.cpp.

References interpreterInstances, localServer, memory_mark_general, memoryObject, RexxMemory::savingImage(), and versionNumber.

Referenced by RexxMemory::liveGeneral().

◆ logicError()

void Interpreter::logicError ( const char * desc )

static

Definition at line 556 of file Interpreter.cpp.

References RC_LOGIC_ERROR.

Referenced by DeadObjectPool::checkObjectGrain(), DeadObjectPool::checkObjectOverlap(), RexxMemory::checkSetOref(), RexxMemory::createImage(), SystemInterpreter::loadImage(), RexxHashTableCollection::makeProxy(), RexxMemory::markGeneral(), RexxMemory::orphanCheckMark(), LibraryPackage::reload(), CPPCode::resolveExportedMethod(), and RexxMemory::saveImageMark().

◆ messageNumber()

wholenumber_t Interpreter::messageNumber ( RexxString * errorcode )

static

Definition at line 565 of file Interpreter.cpp.

References Error_Expression_result_raise, RexxString::getBLength(), RexxString::getStringData(), new_string(), RexxString::numberValue(), reportException(), and RexxString::stringValue().

Referenced by decodeConditionData(), RexxActivity::display(), RexxInstructionRaise::execute(), and RexxActivity::reraiseException().

◆ processShutdown()

void Interpreter::processShutdown ( )

static

Definition at line 109 of file Interpreter.cpp.

References ActivityManager::closeLocks(), RexxMemory::closeLocks(), and closeLocks().

◆ processStartup()

void Interpreter::processStartup ( )

static

Definition at line 100 of file Interpreter.cpp.

References ActivityManager::createLocks(), RexxMemory::createLocks(), and createLocks().

Referenced by SystemInterpreter::processShutdown(), and SystemInterpreter::processStartup().

◆ releaseResourceLock()

static void Interpreter::releaseResourceLock	(	const char *	ds,
		int	di
	)

inlinestatic

Definition at line 77 of file Interpreter.hpp.

References SysMutex::release(), and resourceLock.

Referenced by ResourceSection::release(), and ResourceSection::~ResourceSection().

◆ setTimeSliceElapsed()

static void Interpreter::setTimeSliceElapsed ( )

inlinestatic

Definition at line 131 of file Interpreter.hpp.

References timeSliceElapsed.

Referenced by TimeSliceControl().

◆ startInterpreter()

void Interpreter::startInterpreter	(	InterpreterStartupMode	mode,
		const char *	imageTarget
	)

static

Perform interpreter startup processing.

Parameters

mode	The startup mode. This indicates whether we're saving the image or in shutdown mode.

Definition at line 124 of file Interpreter.cpp.

References active, env_find, RexxMemory::initialize(), interpreterInstances, isActive(), localServer, memoryObject, RexxObject::messageSend(), new_list(), new_string(), OREF_NULL, RexxCreateSessionQueue(), RUN_MODE, and SystemInterpreter::startInterpreter().

Referenced by createInterpreterInstance(), RexxCreateInterpreterImage(), and RexxInitialize().

◆ terminateInterpreter()

bool Interpreter::terminateInterpreter ( )

static

Terminate the global interpreter environment, shutting down all of the interpreter instances that we can and releasing the object heap memory.

Returns: true if everything was shutdown, false if there are reasons why this can't be shutdown.

Definition at line 187 of file Interpreter.cpp.

References interpreterInstances, isActive(), RexxList::items(), RexxMemory::lastChanceUninit(), memoryObject, RexxDeleteSessionQueue(), SystemInterpreter::terminateInterpreter(), PackageManager::unload(), and RexxMemory::verboseMessage().

Referenced by RexxStart(), RexxTerminate(), RexxTranslateProgram(), and Terminate().

◆ terminateInterpreterInstance()

bool Interpreter::terminateInterpreterInstance ( InterpreterInstance * instance )

static

Shutdown an interpreter instance and remove it from the list of accessible items.

Parameters

instance The instance we're shutting down.

Returns: true if this instance was in a state that could be terminated.

Definition at line 337 of file Interpreter.cpp.

References interpreterInstances, and RexxList::removeItem().

Referenced by InterpreterInstance::terminate().

Member Data Documentation

◆ active

bool Interpreter::active = false

staticprotected

Definition at line 146 of file Interpreter.hpp.

Referenced by isActive(), isTerminated(), and startInterpreter().

◆ initializations

int Interpreter::initializations

staticprotected

Definition at line 143 of file Interpreter.hpp.

◆ interpreterInstances

RexxList * Interpreter::interpreterInstances = OREF_NULL

staticprotected

Definition at line 145 of file Interpreter.hpp.

Referenced by createInterpreterInstance(), haltAllActivities(), init(), lastInstance(), live(), liveGeneral(), startInterpreter(), terminateInterpreter(), and terminateInterpreterInstance().

◆ localServer

RexxObject * Interpreter::localServer = OREF_NULL

static

Definition at line 138 of file Interpreter.hpp.

Referenced by initLocal(), live(), liveGeneral(), and startInterpreter().

◆ resourceLock

SysMutex Interpreter::resourceLock

staticprotected

Definition at line 142 of file Interpreter.hpp.

Referenced by closeLocks(), createLocks(), getResourceLock(), and releaseResourceLock().

◆ timeSliceElapsed

bool Interpreter::timeSliceElapsed = false

staticprotected

Definition at line 144 of file Interpreter.hpp.

Referenced by clearTimeSliceElapsed(), hasTimeSliceElapsed(), and setTimeSliceElapsed().

◆ versionNumber

RexxString * Interpreter::versionNumber = OREF_NULL

staticprotected

Definition at line 147 of file Interpreter.hpp.

Referenced by getVersionNumber(), live(), and liveGeneral().

The documentation for this class was generated from the following files:

Public Types

Static Public Member Functions

Static Public Attributes

Static Protected Attributes

Detailed Description

Member Enumeration Documentation

◆ InterpreterStartupMode

Member Function Documentation

◆ clearTimeSliceElapsed()

◆ closeLocks()

◆ createInstance()

◆ createInterpreterInstance() [1/2]

◆ createInterpreterInstance() [2/2]

◆ createLocks()

◆ decodeConditionData()

◆ findClass()

◆ getCurrentQueue()

◆ getInterpreterVersion()

◆ getLanguageLevel()

◆ getResourceLock()

◆ getVersionNumber()

◆ getWordSize()

◆ haltAllActivities()

◆ hasTimeSliceElapsed()

◆ init()

◆ initLocal()

◆ isActive()

◆ isBigEndian()

◆ isTerminated()

◆ lastInstance()

◆ live()

◆ liveGeneral()

◆ logicError()

◆ messageNumber()

◆ processShutdown()

◆ processStartup()

◆ releaseResourceLock()

◆ setTimeSliceElapsed()

◆ startInterpreter()

◆ terminateInterpreter()

◆ terminateInterpreterInstance()

Member Data Documentation

◆ active

◆ initializations

◆ interpreterInstances

◆ localServer

◆ resourceLock

◆ timeSliceElapsed

◆ versionNumber