Eval (Protelis unspecified Javadoc API)

java.lang.Object
- org.protelis.lang.interpreter.impl.AbstractProtelisAST<T>
- - org.protelis.lang.interpreter.impl.AbstractPersistedTree<org.apache.commons.lang3.tuple.Pair<java.lang.String,ProtelisProgram>,java.lang.Object>
  - - org.protelis.lang.interpreter.impl.Eval

All Implemented Interfaces:: java.io.Serializable, ProtelisAST<java.lang.Object>, WithBytecode

public final class Eval
extends AbstractPersistedTree<org.apache.commons.lang3.tuple.Pair<java.lang.String,ProtelisProgram>,java.lang.Object>

Evaluate a Protelis sub-program.

See Also:: Serialized Form

Constructor Summary

Constructors
Constructor Description

Eval(Metadata metadata, ProtelisAST<?> arg)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`evaluate(ExecutionContext context)`	Evaluates this AST node.
`Bytecode`	`getBytecode()`
`java.lang.String`	`toString()`

Methods inherited from class org.protelis.lang.interpreter.impl.AbstractPersistedTree
loadState, saveState

Methods inherited from class org.protelis.lang.interpreter.impl.AbstractProtelisAST
branchesToString, branchesToString, eval, forEach, forEachWithIndex, getBranch, getBranches, getBranchesNumber, getMetadata, getName, isNullable, stringFor

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Eval
```
public Eval(Metadata metadata,
            ProtelisAST<?> arg)
```
    Parameters:
    
    metadata - A Metadata object containing information about the code that generated this AST node.
    
    arg - argument whose annotation will be used as a string representing a program
- Method Detail
  - evaluate
```
public java.lang.Object evaluate(ExecutionContext context)
```
    Description copied from class: AbstractProtelisAST
    
    Evaluates this AST node. This method can throw any exception, AbstractProtelisAST takes care of storing the necessary metadata.
    
    Specified by:
    
    evaluate in class AbstractProtelisAST<java.lang.Object>
    
    Parameters:
    
    context - the execution context
    
    Returns:
    
    the result of the evaluation
  - getBytecode
```
public Bytecode getBytecode()
```
    Returns:
    
    the element Bytecode
  - toString
```
public java.lang.String toString()
```
    Description copied from class: AbstractPersistedTree
    
    Specified by:
    
    toString in class AbstractPersistedTree<org.apache.commons.lang3.tuple.Pair<java.lang.String,ProtelisProgram>,java.lang.Object>