Package coneforest.psylla

Class Interpreter

java.lang.Object

java.lang.Thread

coneforest.psylla.Interpreter

All Implemented Interfaces:

PsyContext, PsyConvertableToName, PsyConvertableToString, PsyObject, Runnable

public class Interpreter
extends Thread
implements PsyContext

An interpreter.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Fields inherited from interface coneforest.psylla.core.PsyContext

OPERATORS

Constructor Summary

Constructors

Constructor	Description
Interpreter()	Creates a new Psylla language interpreter.

Method Summary

Modifier and Type	Method	Description
String	banner()
ClassLoader	classLoader()
PsyFormalDict	currentDict()	Returns the current dictionary.
int	currentLoopLevel()
PsyNamespace	currentNamespace()	Returns the current namespace.
int	currentStopLevel()
DictStack	dictStack()	Returns the dictionary stack.
PsyFormalDict	errorDict()
int	execLevel()
ExecutionStack	executionStack()	Returns the execution stack.
boolean	getStopFlag()
void	handleError(PsyException oException)
void	handleExecutionStack()
void	handleExecutionStack(int level)
void	interpret(PsyReader oReader)
void	interpret(Reader reader)
void	interpret(String string)
void	interpretBraced(PsyReader oReader)
<T extends PsyObject> T	load(String name)
boolean	loadLibraryResource(String resourceName)
boolean	loadType(String typeName)
NamespacePool	namespacePool()
OperandStack	operandStack()	Returns the operand stack.
OperandStack	operandStackBacked(int count)
int	popLoopLevel()
int	popStopLevel()
String	prompt()
<T extends PsyObject> T	psyLoad(PsyTextual oKey)
void	psyRequire(PsyTextual oResourceName)
PsyFormalDict	psyWhere(PsyTextual oKey)
int	pushLoopLevel()
int	pushStopLevel()
void	quit()
void	repl()
void	setClassPath(String[] classPath)
void	setEnvironment(Map<String,String> env)
void	setErrorWriter(Writer writer)
void	setLibraryPath(String[] libraryPath)
void	setRandomSeed(Long randomSeed)
void	setReader(Reader reader)
void	setScriptName(String scriptName)
void	setShellArguments(String[] args)
void	setStopFlag(boolean stopFlag)
void	setWriter(Writer writer)
void	showStacks()
void	stop_()
PsyFormalDict	systemDict()	Returns system dictionary.
PsyFormalDict	userDict()	Returns the user dictionary.
PsyFormalDict	where(String name)

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, onSpinWait, resume, run, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface coneforest.psylla.core.PsyContext

getId, join, toSyntaxString

Methods inherited from interface coneforest.psylla.core.PsyObject

convert, execute, invoke, psyClone, psyEq, psyHashCode, psyInstanceOf, psyNe, psySyntax, psyToName, psyToString, psyType, typeName

Constructor Detail

Interpreter

public Interpreter()

Creates a new Psylla language interpreter.

Method Detail

operandStack

public OperandStack operandStack()

Returns the operand stack.

Specified by:

operandStack in interface PsyContext

Returns:

the operand stack.

operandStackBacked

public OperandStack operandStackBacked(int count)
                                throws PsyException

Specified by:

operandStackBacked in interface PsyContext

Throws:

PsyException

dictStack

public DictStack dictStack()

Returns the dictionary stack.

Specified by:

dictStack in interface PsyContext

Returns:

the dictionary stack.

executionStack

public ExecutionStack executionStack()

Returns the execution stack.

Specified by:

executionStack in interface PsyContext

Returns:

the execution stack.

classLoader

public ClassLoader classLoader()

where

public PsyFormalDict where(String name)

psyWhere

public PsyFormalDict psyWhere(PsyTextual oKey)

Specified by:

psyWhere in interface PsyContext

load

public <T extends PsyObject> T load(String name)
                             throws PsyException

Throws:

PsyException

psyLoad

public <T extends PsyObject> T psyLoad(PsyTextual oKey)
                                throws PsyException

Specified by:

psyLoad in interface PsyContext

Throws:

PsyException

handleExecutionStack

public void handleExecutionStack()

Specified by:

handleExecutionStack in interface PsyContext

handleExecutionStack

public void handleExecutionStack(int level)

Specified by:

handleExecutionStack in interface PsyContext

currentDict

public PsyFormalDict currentDict()

Returns the current dictionary.

Specified by:

currentDict in interface PsyContext

Returns:

the current dictionary.

systemDict

public PsyFormalDict systemDict()

Returns system dictionary.

Specified by:

systemDict in interface PsyContext

Returns:

the system dictionary.

userDict

public PsyFormalDict userDict()

Returns the user dictionary.

Returns:

the user dictionary.

namespacePool

public NamespacePool namespacePool()

Specified by:

namespacePool in interface PsyContext

currentNamespace

public PsyNamespace currentNamespace()

Returns the current namespace.

Returns:

the current namespace.

setReader

public void setReader(Reader reader)

setWriter

public void setWriter(Writer writer)

setErrorWriter

public void setErrorWriter(Writer writer)

setRandomSeed

public void setRandomSeed(Long randomSeed)
                   throws PsyException

Throws:

PsyException

setClassPath

public void setClassPath(String[] classPath)
                  throws PsyException

Throws:

PsyException

setLibraryPath

public void setLibraryPath(String[] libraryPath)
                    throws PsyException

Throws:

PsyException

interpret

public void interpret(Reader reader)

interpret

public void interpret(String string)

interpret

public void interpret(PsyReader oReader)

Specified by:

interpret in interface PsyContext

interpretBraced

public void interpretBraced(PsyReader oReader)
                     throws PsyException

Specified by:

interpretBraced in interface PsyContext

Throws:

PsyException

errorDict

public PsyFormalDict errorDict()
                        throws PsyException

Throws:

PsyException

handleError

public void handleError(PsyException oException)

Specified by:

handleError in interface PsyContext

showStacks

public void showStacks()

execLevel

public int execLevel()

Specified by:

execLevel in interface PsyContext

getStopFlag

public boolean getStopFlag()

Specified by:

getStopFlag in interface PsyContext

setStopFlag

public void setStopFlag(boolean stopFlag)

Specified by:

setStopFlag in interface PsyContext

pushLoopLevel

public int pushLoopLevel()

Specified by:

pushLoopLevel in interface PsyContext

popLoopLevel

public int popLoopLevel()

Specified by:

popLoopLevel in interface PsyContext

currentLoopLevel

public int currentLoopLevel()

Specified by:

currentLoopLevel in interface PsyContext

pushStopLevel

public int pushStopLevel()

Specified by:

pushStopLevel in interface PsyContext

popStopLevel

public int popStopLevel()

Specified by:

popStopLevel in interface PsyContext

currentStopLevel

public int currentStopLevel()

Specified by:

currentStopLevel in interface PsyContext

setScriptName

public void setScriptName(String scriptName)

setShellArguments

public void setShellArguments(String[] args)
                       throws PsyException

Throws:

PsyException

setEnvironment

public void setEnvironment(Map<String,String> env)

quit

public void quit()

Specified by:

quit in interface PsyContext

repl

public void repl()
          throws PsyException

Specified by:

repl in interface PsyContext

Throws:

PsyException

banner

public String banner()

prompt

public String prompt()

stop_

public void stop_()

Specified by:

stop_ in interface PsyContext

loadLibraryResource

public boolean loadLibraryResource(String resourceName)
                            throws PsyException

Throws:

PsyException

loadType

public boolean loadType(String typeName)
                 throws PsyException

Throws:

PsyException

psyRequire

public void psyRequire(PsyTextual oResourceName)
                throws PsyException

Specified by:

psyRequire in interface PsyContext

Throws:

PsyException