org.jruby.runtime

Class BlockBody

java.lang.Object

org.jruby.runtime.BlockBody

Direct Known Subclasses:

CallBlock, CallBlock19, ContextAwareBlockBody, JavaInternalBlockBody, NullBlockBody

public abstract class BlockBody
extends Object

The executable body portion of a closure.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	argumentType
static int	ARRAY
static String[]	EMPTY_PARAMETER_LIST
static int	MULTIPLE_ASSIGNMENT
static BlockBody	NULL_BODY
static int	SINGLE_RESTARG
static int	ZERO_ARGS

Constructor Summary

Constructors

Constructor and Description
BlockBody(int argumentType)

Method Summary

Methods

Modifier and Type	Method and Description
abstract Arity	arity() What is the arity of this block?
static int	asArgumentType(NodeType nodeId) Compiled codes way of examining arguments
IRubyObject	call(ThreadContext context, Binding binding, Block.Type type)
IRubyObject	call(ThreadContext context, Binding binding, Block.Type type, Block unusedBlock)
IRubyObject	call(ThreadContext context, IRubyObject[] args, Binding binding, Block.Type type)
IRubyObject	call(ThreadContext context, IRubyObject[] args, Binding binding, Block.Type type, Block block)
IRubyObject	call(ThreadContext context, IRubyObject arg0, Binding binding, Block.Type type)
IRubyObject	call(ThreadContext context, IRubyObject arg0, Binding binding, Block.Type type, Block unusedBlock)
IRubyObject	call(ThreadContext context, IRubyObject arg0, IRubyObject arg1, Binding binding, Block.Type type)
IRubyObject	call(ThreadContext context, IRubyObject arg0, IRubyObject arg1, Binding binding, Block.Type type, Block unusedBlock)
IRubyObject	call(ThreadContext context, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, Binding binding, Block.Type type)
IRubyObject	call(ThreadContext context, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, Binding binding, Block.Type type, Block unusedBlock)
protected abstract IRubyObject	doYield(ThreadContext context, IRubyObject[] args, IRubyObject self, Binding binding, Block.Type type) Subclass specific yield implementation.
protected abstract IRubyObject	doYield(ThreadContext context, IRubyObject value, Binding binding, Block.Type type) Subclass specific yield implementation.
int	getArgumentType()
static NodeType	getArgumentTypeWackyHack(IterNode iterNode) This is only for 'for' iters since 1.9+ blocks are only ever ArgsNode instances for their vars.
abstract String	getFile() Get the filename for this block
abstract int	getLine() get The line number for this block
String[]	getParameterList()
abstract Signature	getSignature()
abstract StaticScope	getStaticScope()
boolean	isGiven() Is the current block a real yield'able block instead a null one
IRubyObject[]	prepareArgumentsForCall(ThreadContext context, IRubyObject[] args, Block.Type type)
void	setEvalType(EvalType evalType)
abstract void	setStaticScope(StaticScope newScope)
IRubyObject	yield(ThreadContext context, IRubyObject[] args, IRubyObject self, Binding binding, Block.Type type)
IRubyObject	yield(ThreadContext context, IRubyObject[] args, IRubyObject self, Binding binding, Block.Type type, Block block)
IRubyObject	yield(ThreadContext context, IRubyObject value, Binding binding, Block.Type type)
IRubyObject	yield(ThreadContext context, IRubyObject value, Binding binding, Block.Type type, Block block)
IRubyObject	yieldSpecific(ThreadContext context, Binding binding, Block.Type type)
IRubyObject	yieldSpecific(ThreadContext context, IRubyObject arg0, Binding binding, Block.Type type)
IRubyObject	yieldSpecific(ThreadContext context, IRubyObject arg0, IRubyObject arg1, Binding binding, Block.Type type)
IRubyObject	yieldSpecific(ThreadContext context, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, Binding binding, Block.Type type)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ZERO_ARGS

public static final int ZERO_ARGS

See Also:

Constant Field Values

MULTIPLE_ASSIGNMENT

public static final int MULTIPLE_ASSIGNMENT

See Also:

Constant Field Values

ARRAY

public static final int ARRAY

See Also:

Constant Field Values

SINGLE_RESTARG

public static final int SINGLE_RESTARG

See Also:

Constant Field Values

EMPTY_PARAMETER_LIST

public static final String[] EMPTY_PARAMETER_LIST

argumentType

protected final int argumentType

NULL_BODY

public static final BlockBody NULL_BODY

Constructor Detail

BlockBody

public BlockBody(int argumentType)

Method Detail

getSignature

public abstract Signature getSignature()

setEvalType

public void setEvalType(EvalType evalType)

call

public IRubyObject call(ThreadContext context,
               IRubyObject[] args,
               Binding binding,
               Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject[] args,
               Binding binding,
               Block.Type type,
               Block block)

yield

public final IRubyObject yield(ThreadContext context,
                IRubyObject value,
                Binding binding,
                Block.Type type)

yield

public final IRubyObject yield(ThreadContext context,
                IRubyObject[] args,
                IRubyObject self,
                Binding binding,
                Block.Type type)

doYield

protected abstract IRubyObject doYield(ThreadContext context,
                  IRubyObject value,
                  Binding binding,
                  Block.Type type)

Subclass specific yield implementation.

Should not be called directly. Gets called by yield(ThreadContext, IRubyObject, Binding, Block.Type) after ensuring that any common yield logic is taken care of.

doYield

protected abstract IRubyObject doYield(ThreadContext context,
                  IRubyObject[] args,
                  IRubyObject self,
                  Binding binding,
                  Block.Type type)

Subclass specific yield implementation.

Should not be called directly. Gets called by yield(ThreadContext, org.jruby.runtime.builtin.IRubyObject[], org.jruby.runtime.builtin.IRubyObject, Binding, org.jruby.runtime.Block.Type) after ensuring that all common yield logic is taken care of.

yield

public IRubyObject yield(ThreadContext context,
                IRubyObject[] args,
                IRubyObject self,
                Binding binding,
                Block.Type type,
                Block block)

yield

public IRubyObject yield(ThreadContext context,
                IRubyObject value,
                Binding binding,
                Block.Type type,
                Block block)

getArgumentType

public int getArgumentType()

call

public IRubyObject call(ThreadContext context,
               Binding binding,
               Block.Type type)

call

public IRubyObject call(ThreadContext context,
               Binding binding,
               Block.Type type,
               Block unusedBlock)

yieldSpecific

public IRubyObject yieldSpecific(ThreadContext context,
                        Binding binding,
                        Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject arg0,
               Binding binding,
               Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject arg0,
               Binding binding,
               Block.Type type,
               Block unusedBlock)

yieldSpecific

public IRubyObject yieldSpecific(ThreadContext context,
                        IRubyObject arg0,
                        Binding binding,
                        Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject arg0,
               IRubyObject arg1,
               Binding binding,
               Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject arg0,
               IRubyObject arg1,
               Binding binding,
               Block.Type type,
               Block unusedBlock)

yieldSpecific

public IRubyObject yieldSpecific(ThreadContext context,
                        IRubyObject arg0,
                        IRubyObject arg1,
                        Binding binding,
                        Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject arg0,
               IRubyObject arg1,
               IRubyObject arg2,
               Binding binding,
               Block.Type type)

call

public IRubyObject call(ThreadContext context,
               IRubyObject arg0,
               IRubyObject arg1,
               IRubyObject arg2,
               Binding binding,
               Block.Type type,
               Block unusedBlock)

yieldSpecific

public IRubyObject yieldSpecific(ThreadContext context,
                        IRubyObject arg0,
                        IRubyObject arg1,
                        IRubyObject arg2,
                        Binding binding,
                        Block.Type type)

getStaticScope

public abstract StaticScope getStaticScope()

setStaticScope

public abstract void setStaticScope(StaticScope newScope)

arity

public abstract Arity arity()

What is the arity of this block?

Returns:

the arity

isGiven

public boolean isGiven()

Is the current block a real yield'able block instead a null one

Returns:

true if this is a valid block or false otherwise

getFile

public abstract String getFile()

Get the filename for this block

getLine

public abstract int getLine()

get The line number for this block

asArgumentType

public static int asArgumentType(NodeType nodeId)

Compiled codes way of examining arguments

Parameters:

nodeId - to be considered

Returns:

something not linked to AST and a constant to make compiler happy

prepareArgumentsForCall

public IRubyObject[] prepareArgumentsForCall(ThreadContext context,
                                    IRubyObject[] args,
                                    Block.Type type)

getParameterList

public String[] getParameterList()

getArgumentTypeWackyHack

public static NodeType getArgumentTypeWackyHack(IterNode iterNode)

This is only for 'for' iters since 1.9+ blocks are only ever ArgsNode instances for their vars.