org.protelis.lang.datatype

Class FunctionDefinition

java.lang.Object

org.protelis.lang.datatype.FunctionDefinition

All Implemented Interfaces:

java.io.Serializable

public final class FunctionDefinition
extends java.lang.Object
implements java.io.Serializable

First-class Protelis function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FunctionDefinition(org.protelis.parser.protelis.FunctionDef functionDefinition, java.util.function.Supplier<ProtelisAST<?>> bodySupplier)
FunctionDefinition(org.protelis.parser.protelis.Lambda lambda, java.util.List<Reference> args, ProtelisAST<?> body)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
Reference	getArgumentByPosition(int i)
ProtelisAST<?>	getBody()
java.lang.String	getName()
int	getParameterCount()
byte[]	getStackCode()
int	hashCode()
boolean	invokerShouldInitializeIt()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FunctionDefinition

public FunctionDefinition(org.protelis.parser.protelis.FunctionDef functionDefinition,
                          java.util.function.Supplier<ProtelisAST<?>> bodySupplier)

Parameters:

functionDefinition - original parsed function

bodySupplier - body calculator

FunctionDefinition

public FunctionDefinition(org.protelis.parser.protelis.Lambda lambda,
                          java.util.List<Reference> args,
                          ProtelisAST<?> body)

Parameters:

lambda - lambda expression

args - arguments for this lambda

body - the function body

Method Detail

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

getArgumentByPosition

public Reference getArgumentByPosition(int i)

Parameters:

i - argument position

Returns:

argument internal name

getBody

public ProtelisAST<?> getBody()

Returns:

the body of the function as defined. All annotations for the body are cleared. No side effects.

getName

public java.lang.String getName()

Returns:

function name

getParameterCount

public int getParameterCount()

Returns:

number of arguments

getStackCode

public byte[] getStackCode()

Returns:

a special hash code to identify this function in the call stack

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

invokerShouldInitializeIt

public boolean invokerShouldInitializeIt()

Returns:

true if this function definition was originated from a Kotlin-style lambda without explicit arguments, hence may be invoked with a single parameter 'it'

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object