Module coneforest.psylla

Package coneforest.psylla.core

Interface PsyContext

All Superinterfaces:

PsyObject, Runnable

All Known Implementing Classes:

Interpreter

@Type("context")
public interface PsyContext
extends PsyObject, Runnable

The representation of context, an execution context.

Field Summary

Fields

Modifier and Type	Field	Description
static final ContextAction	PSY_BEGIN	Context action of the begin operator.
static final ContextAction	PSY_CLEARDICTSTACK	Context action of the cleardictstack operator.
static final ContextAction	PSY_CLEARSTACK	Context action of the clearstack operator.
static final ContextAction	PSY_CLEARTOMARK	Context action of the cleartomark operator.
static final ContextAction	PSY_COPY	Context action of the copy operator.
static final ContextAction	PSY_COUNTDICTSTACK	Context action of the countdictstack operator.
static final ContextAction	PSY_COUNTEXECSTACK	Context action of the countexecstack operator.
static final ContextAction	PSY_COUNTSTACK	Context action of the countstack operator.
static final ContextAction	PSY_COUNTTOMARK	Context action of the counttomark operator.
static final ContextAction	PSY_CURRENTCONTEXT	Context action of the currentcontext operator.
static final ContextAction	PSY_CURRENTDICT	Context action of the currentdict operator.
static final ContextAction	PSY_DEF	Context action of the def operator.
static final ContextAction	PSY_DICTSTACK	Context action of the dictstack operator.
static final ContextAction	PSY_DUP	Context action of the dup operator.
static final ContextAction	PSY_EDITLINE	Context action of the editline operator.
static final ContextAction	PSY_END	Context action of the end operator.
static final ContextAction	PSY_EXCH	Context action of the exch operator.
static final ContextAction	PSY_EXEC	Context action of the exec operator.
static final ContextAction	PSY_EXECSTACK	Context action of the execstack operator.
static final ContextAction	PSY_EXECUTIVE	Context action of the executive operator.
static final ContextAction	PSY_EXIT	Context action of the exit operator.
static final ContextAction	PSY_FOR	Context action of the for operator.
static final ContextAction	PSY_FORK	Context action of the fork operator.
static final ContextAction	PSY_HALT	Context action of the halt operator.
static final ContextAction	PSY_IF	Context action of the if operator.
static final ContextAction	PSY_IFELSE	Context action of the ifelse operator.
static final ContextAction	PSY_INDEX	Context action of the index operator.
static final ContextAction	PSY_JOIN	Context action of the join operator.
static final ContextAction	PSY_LOAD	Context action of the load operator.
static final ContextAction	PSY_LOOP	Context action of the loop operator.
static final ContextAction	PSY_NAMESPACE	Context action of the namespace operator.
static final ContextAction	PSY_POP	Context action of the pop operator.
static final ContextAction	PSY_PRETTYPRINT	Context action of the prettyprint operator.
static final ContextAction	PSY_PRINT	Context action of the print operator.
static final ContextAction	PSY_QUIT	Context action of the quit operator.
static final ContextAction	PSY_REPEAT	Context action of the repeat operator.
static final ContextAction	PSY_REQUIRE	Context action of the require operator.
static final ContextAction	PSY_ROLL	Context action of the roll operator.
static final ContextAction	PSY_SAY	Context action of the say operator.
static final ContextAction	PSY_SLEEP	Context action of the sleep operator.
static final ContextAction	PSY_STACK	Context action of the stack operator.
static final ContextAction	PSY_STOP	Context action of the stop operator.
static final ContextAction	PSY_STOPPED	Context action of the stopped operator.
static final ContextAction	PSY_STORE	Context action of the store operator.
static final ContextAction	PSY_TOKENS	Context action of the tokens operator.
static final ContextAction	PSY_WARN	Context action of the warn operator.
static final ContextAction	PSY_WHERE	Context action of the where operator.
static final ContextAction	PSY_YIELD	Context action of the yield operator.

Fields inherited from interface coneforest.psylla.core.PsyObject

PSY_CLONE, PSY_EQ, PSY_HASHCODE, PSY_INSTANCEOF, PSY_NE, PSY_TOSTRING, PSY_TOSTRINGBUFFER, PSY_TYPE

Method Summary

Modifier and Type	Method	Description
PsyFormalDict<PsyObject>	currentDict()	Returns the current dictionary (the topmost on the dictionary stack).
DictStack	dictStack()	Returns the dictionary stack.
int	execLevel()	Returns the size of the execution stack.
ExecutionStack	executionStack()	Returns the execution stack.
void	fork()
long	getId()
boolean	getStopped()	Returns the value of the stopped flag.
void	handleExecutionStack(int level)
void	interpret(PsyReader oReader)	Interprets the Psylla code from the reader object.
void	interpretBraced(PsyReader oReader)
void	join()
NamespacePool	namespacePool()	Returns the namespace pool.
OperandStack	operandStack()	Returns the operand stack.
OperandStack	operandStackBacked(int count)
default PsyContext	psyCurrentContext()	Returns the currently executing context.
<T extends PsyObject> T	psyLoad(PsyTextual oKey)
void	psyRequire(PsyTextual o)
default Optional<PsyFormalDict<PsyObject>>	psyWhere(PsyTextual oKey)
void	quit()
void	repl()
void	setStopped(boolean stopFlag)	Sets the stopped flag to the specified value.
void	showStacks(PrintWriter pw)
void	stop()
PsyFormalDict<PsyObject>	systemDict()	Returns the system dictionary.
default String	toSyntaxString()	Returns the syntactic representation of this object.
PsyFormalDict<PsyObject>	userDict()	Returns the user dictionary.

Methods inherited from interface coneforest.psylla.core.PsyObject

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

Methods inherited from interface java.lang.Runnable

run

Field Details

PSY_BEGIN

@OperatorType("begin")
static final ContextAction PSY_BEGIN

Context action of the begin operator.

PSY_CLEARDICTSTACK

@OperatorType("cleardictstack")
static final ContextAction PSY_CLEARDICTSTACK

Context action of the cleardictstack operator.

PSY_CLEARSTACK

@OperatorType("clearstack")
static final ContextAction PSY_CLEARSTACK

Context action of the clearstack operator.

PSY_CLEARTOMARK

@OperatorType("cleartomark")
static final ContextAction PSY_CLEARTOMARK

Context action of the cleartomark operator.

PSY_COPY

@OperatorType("copy")
static final ContextAction PSY_COPY

Context action of the copy operator.

PSY_COUNTDICTSTACK

@OperatorType("countdictstack")
static final ContextAction PSY_COUNTDICTSTACK

Context action of the countdictstack operator.

PSY_COUNTEXECSTACK

@OperatorType("countexecstack")
static final ContextAction PSY_COUNTEXECSTACK

Context action of the countexecstack operator.

PSY_COUNTSTACK

@OperatorType("countstack")
static final ContextAction PSY_COUNTSTACK

Context action of the countstack operator.

PSY_COUNTTOMARK

@OperatorType("counttomark")
static final ContextAction PSY_COUNTTOMARK

Context action of the counttomark operator.

PSY_CURRENTCONTEXT

@OperatorType("currentcontext")
static final ContextAction PSY_CURRENTCONTEXT

Context action of the currentcontext operator.

PSY_CURRENTDICT

@OperatorType("currentdict")
static final ContextAction PSY_CURRENTDICT

Context action of the currentdict operator.

PSY_DEF

@OperatorType("def")
static final ContextAction PSY_DEF

Context action of the def operator.

PSY_DICTSTACK

@OperatorType("dictstack")
static final ContextAction PSY_DICTSTACK

Context action of the dictstack operator.

PSY_DUP

@OperatorType("dup")
static final ContextAction PSY_DUP

Context action of the dup operator.

PSY_EDITLINE

@OperatorType("editline")
static final ContextAction PSY_EDITLINE

Context action of the editline operator.

PSY_END

@OperatorType("end")
static final ContextAction PSY_END

Context action of the end operator.

PSY_EXCH

@OperatorType("exch")
static final ContextAction PSY_EXCH

Context action of the exch operator.

PSY_EXEC

@OperatorType("exec")
static final ContextAction PSY_EXEC

Context action of the exec operator.

PSY_EXECSTACK

@OperatorType("execstack")
static final ContextAction PSY_EXECSTACK

Context action of the execstack operator.

PSY_EXECUTIVE

@OperatorType("executive")
static final ContextAction PSY_EXECUTIVE

Context action of the executive operator.

PSY_EXIT

@OperatorType("exit")
static final ContextAction PSY_EXIT

Context action of the exit operator.

PSY_FOR

@OperatorType("for")
static final ContextAction PSY_FOR

Context action of the for operator.

PSY_FORK

@OperatorType("fork")
static final ContextAction PSY_FORK

Context action of the fork operator.

PSY_HALT

@OperatorType("halt")
static final ContextAction PSY_HALT

Context action of the halt operator.

PSY_IF

@OperatorType("if")
static final ContextAction PSY_IF

Context action of the if operator.

PSY_IFELSE

@OperatorType("ifelse")
static final ContextAction PSY_IFELSE

Context action of the ifelse operator.

PSY_INDEX

@OperatorType("index")
static final ContextAction PSY_INDEX

Context action of the index operator.

PSY_JOIN

@OperatorType("join")
static final ContextAction PSY_JOIN

Context action of the join operator.

PSY_LOAD

@OperatorType("load")
static final ContextAction PSY_LOAD

Context action of the load operator.

PSY_LOOP

@OperatorType("loop")
static final ContextAction PSY_LOOP

Context action of the loop operator.

PSY_NAMESPACE

@OperatorType("namespace")
static final ContextAction PSY_NAMESPACE

Context action of the namespace operator.

PSY_POP

@OperatorType("pop")
static final ContextAction PSY_POP

Context action of the pop operator.

PSY_PRETTYPRINT

@OperatorType("prettyprint")
static final ContextAction PSY_PRETTYPRINT

Context action of the prettyprint operator.

PSY_PRINT

@OperatorType("print")
static final ContextAction PSY_PRINT

Context action of the print operator.

PSY_QUIT

@OperatorType("quit")
static final ContextAction PSY_QUIT

Context action of the quit operator.

PSY_REPEAT

@OperatorType("repeat")
static final ContextAction PSY_REPEAT

Context action of the repeat operator.

PSY_REQUIRE

@OperatorType("require")
static final ContextAction PSY_REQUIRE

Context action of the require operator.

PSY_ROLL

@OperatorType("roll")
static final ContextAction PSY_ROLL

Context action of the roll operator.

PSY_SAY

@OperatorType("say")
static final ContextAction PSY_SAY

Context action of the say operator.

PSY_SLEEP

@OperatorType("sleep")
static final ContextAction PSY_SLEEP

Context action of the sleep operator.

PSY_STACK

@OperatorType("stack")
static final ContextAction PSY_STACK

Context action of the stack operator.

PSY_STOP

@OperatorType("stop")
static final ContextAction PSY_STOP

Context action of the stop operator.

PSY_STOPPED

@OperatorType("stopped")
static final ContextAction PSY_STOPPED

Context action of the stopped operator.

PSY_STORE

@OperatorType("store")
static final ContextAction PSY_STORE

Context action of the store operator.

PSY_TOKENS

@OperatorType("tokens")
static final ContextAction PSY_TOKENS

Context action of the tokens operator.

PSY_WARN

@OperatorType("warn")
static final ContextAction PSY_WARN

Context action of the warn operator.

PSY_WHERE

@OperatorType("where")
static final ContextAction PSY_WHERE

Context action of the where operator.

PSY_YIELD

@OperatorType("yield")
static final ContextAction PSY_YIELD

Context action of the yield operator.

Method Details

showStacks

void showStacks(PrintWriter pw)

getId

long getId()

join

void join()
   throws InterruptedException

Throws:

InterruptedException

toSyntaxString

default String toSyntaxString()

Description copied from interface: PsyObject

Returns the syntactic representation of this object.

Specified by:

toSyntaxString in interface PsyObject

Returns:

the syntactic representation of this object

psyCurrentContext

default PsyContext psyCurrentContext()

Returns the currently executing context.

Returns:

the currently executing context

fork

void fork()
   throws PsyStackUnderflowException,
PsyUnmatchedMarkException

Throws:

PsyStackUnderflowException

PsyUnmatchedMarkException

quit

void quit()

stop

void stop()

operandStack

OperandStack operandStack()

Returns the operand stack.

Returns:

the operand stack

dictStack

DictStack dictStack()

Returns the dictionary stack.

Returns:

the dictionary stack

executionStack

ExecutionStack executionStack()

Returns the execution stack.

Returns:

the execution stack

systemDict

PsyFormalDict<PsyObject> systemDict()

Returns the system dictionary.

Returns:

the system dictionary

userDict

PsyFormalDict<PsyObject> userDict()

Returns the user dictionary.

Returns:

the user dictionary

currentDict

PsyFormalDict<PsyObject> currentDict()

Returns the current dictionary (the topmost on the dictionary stack).

Returns:

the current dictionary (the topmost on the dictionary stack)

namespacePool

NamespacePool namespacePool()

Returns the namespace pool.

Returns:

the namespace pool

execLevel

int execLevel()

Returns the size of the execution stack.

Returns:

the size of the execution stack

repl

void repl()
   throws PsyErrorException

Throws:

PsyErrorException

getStopped

boolean getStopped()

Returns the value of the stopped flag.

Returns:

the value of the stopped flag

setStopped

void setStopped(boolean stopFlag)

Sets the stopped flag to the specified value.

Parameters:

stopFlag - the value of the stopped flag.

handleExecutionStack

void handleExecutionStack(int level)

interpret

void interpret(PsyReader oReader)

Interprets the Psylla code from the reader object.

Parameters:

oReader - the reader object.

interpretBraced

void interpretBraced(PsyReader oReader)
              throws PsyErrorException

Throws:

PsyErrorException

operandStackBacked

OperandStack operandStackBacked(int count)
                         throws PsyStackUnderflowException

Throws:

PsyStackUnderflowException

psyWhere

default Optional<PsyFormalDict<PsyObject>> psyWhere(PsyTextual oKey)

psyLoad

<T extends PsyObject> T psyLoad(PsyTextual oKey)
                         throws PsyUndefinedException

Throws:

PsyUndefinedException

psyRequire

void psyRequire(PsyTextual o)
         throws PsyErrorException

Throws:

PsyErrorException