org.protelis.lang.interpreter

Interface ProtelisAST<T>

Type Parameters:

T - return type of this sub-program

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

AbstractPersistedTree, AbstractProtelisAST, AlignedMap, All, AssignmentOp, BinaryOp, ConditionalSideEffect, Constant, CreateTuple, Env, Eval, FunctionCall, GenericHoodCall, HoodCall, If, Invoke, JvmConstant, NBRCall, NumericConstant, Self, ShareCall, TernaryOp, UnaryOp, Variable

public interface ProtelisAST<T>
extends java.io.Serializable

Data structure representing the field calculus semantics of annotating expressions with their evaluated values.

Method Summary

Modifier and Type	Method and Description
T	eval(ExecutionContext context) Evaluates the program using the passed ExecutionContext.
ProtelisAST<?>	getBranch(int i)
java.util.List<ProtelisAST<?>>	getBranches()
Metadata	getMetadata()
java.lang.String	getName()

Method Detail

eval

T eval(ExecutionContext context)

Evaluates the program using the passed ExecutionContext.

Parameters:

context - the execution context

Returns:

the AST evaluation

getBranch

ProtelisAST<?> getBranch(int i)

Parameters:

i - the index

Returns:

the i-th branch of the evaluation tree

getBranches

java.util.List<ProtelisAST<?>> getBranches()

Returns:

a view of the branches of the tree

getMetadata

Metadata getMetadata()

Returns:

A Metadata object containing information about the code that generated this AST node.

getName

java.lang.String getName()

Returns:

The name of the operation