org.eclipse.m2m.atl.engine.emfvm
Class StackFrame

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

public class StackFrame
extends AbstractStackFrame

The Stack Frame implementation.

Field Summary

Fields inherited from class org.eclipse.m2m.atl.engine.emfvm.lib.AbstractStackFrame

caller, execEnv, localVars, operation

Constructor Summary

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

Method Summary

protected java.lang.String	getLocation() Returns the current location.
int	getPc()
AbstractStackFrame	newFrame(Operation operation) Returns a new frame for the given operation.
void	setPc(int pc)
java.lang.String	toString()

Methods inherited from class org.eclipse.m2m.atl.engine.emfvm.lib.AbstractStackFrame

getAsmModule, getCaller, getExecEnv, getLocalVars, getOperation, setLocalVars

Methods inherited from class java.lang.Object

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

Constructor Detail

StackFrame

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

Creates a new StackFrame with the given parameters.

Parameters:

execEnv - the execution environment

asmModule - the transformation module

operation - the main operation

StackFrame

protected StackFrame(StackFrame caller,
                     Operation operation)

Creates a new StackFrame.

Parameters:

caller - the parent stack frame

operation - the operation

StackFrame

public StackFrame(ExecEnv execEnv)

Creates an empty StackFrame which refers to its ExecEnv.

Parameters:

execEnv - the ExecEnv

Method Detail

newFrame

public AbstractStackFrame newFrame(Operation operation)

Returns a new frame for the given operation.

Specified by:

newFrame in class AbstractStackFrame

Parameters:

operation - the frame operation

Returns:

a new frame for the given operation

See Also:

AbstractStackFrame.newFrame(org.eclipse.m2m.atl.engine.emfvm.lib.Operation)

getLocation

protected java.lang.String getLocation()

Returns the current location.

Returns:

the current location

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

getPc

public int getPc()

setPc

public void setPc(int pc)