org.eclipse.m2m.atl.engine.emfvm.lib
Class AbstractStackFrame

java.lang.Object
  org.eclipse.m2m.atl.engine.emfvm.lib.AbstractStackFrame

Direct Known Subclasses:

StackFrame

public abstract class AbstractStackFrame
extends java.lang.Object

Abstract Stack Frame definition.

Field Summary

protected AbstractStackFrame	caller
protected ExecEnv	execEnv The execution environment.
protected java.lang.Object[]	localVars The local variables list.
protected Operation	operation

Constructor Summary

protected	AbstractStackFrame(AbstractStackFrame caller, Operation frameOperation) Creates a new StackFrame.
protected	AbstractStackFrame(ExecEnv execEnv) Creates an empty StackFrame which refers to its ExecEnv.
	AbstractStackFrame(ExecEnv execEnv, ASMModule asmModule, Operation operation) Creates a new AbstractStackFrame with the given parameters.

Method Summary

ASMModule	getAsmModule()
AbstractStackFrame	getCaller()
ExecEnv	getExecEnv()
java.lang.Object[]	getLocalVars()
Operation	getOperation()
abstract AbstractStackFrame	newFrame(Operation frameOperation) Returns a new frame for the given operation.
void	setLocalVars(java.lang.Object[] localVars)

Methods inherited from class java.lang.Object

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

Field Detail

execEnv

protected ExecEnv execEnv

The execution environment.

caller

protected AbstractStackFrame caller

operation

protected Operation operation

localVars

protected java.lang.Object[] localVars

The local variables list.

Constructor Detail

AbstractStackFrame

public AbstractStackFrame(ExecEnv execEnv,
                          ASMModule asmModule,
                          Operation operation)

Creates a new AbstractStackFrame with the given parameters.

Parameters:

execEnv - the execution environment

asmModule - the transformation module

operation - the main operation

AbstractStackFrame

protected AbstractStackFrame(AbstractStackFrame caller,
                             Operation frameOperation)

Creates a new StackFrame.

Parameters:

caller - the parent stack frame

frameOperation - the operation

AbstractStackFrame

protected AbstractStackFrame(ExecEnv execEnv)

Creates an empty StackFrame which refers to its ExecEnv.

Parameters:

execEnv - the ExecEnv

Method Detail

newFrame

public abstract AbstractStackFrame newFrame(Operation frameOperation)

Returns a new frame for the given operation.

Parameters:

frameOperation - the frame operation

Returns:

a new frame for the given operation

getAsmModule

public ASMModule getAsmModule()

getLocalVars

public java.lang.Object[] getLocalVars()

setLocalVars

public void setLocalVars(java.lang.Object[] localVars)

getExecEnv

public ExecEnv getExecEnv()

getOperation

public Operation getOperation()

getCaller

public AbstractStackFrame getCaller()