Package 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 Object

Abstract Stack Frame definition.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	AbstractStackFrame.StackSequence	A Sequence of AbstractStackFrame.

Field Summary

Fields

Modifier and Type	Field	Description
protected AbstractStackFrame	caller
protected ExecEnv	execEnv	The execution environment.
protected Object[]	localVars	The local variables list.
protected Operation	operation

Constructor Summary

Constructors

Modifier	Constructor	Description
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

Modifier and Type	Method	Description
AbstractStackFrame	enter()	Makes the tool enter the frame.
ASMModule	getAsmModule()
AbstractStackFrame	getCaller()
ExecEnv	getExecEnv()
Map<String,Object>	getLocalVariables()	Returns the local variables map.
Object[]	getLocalVars()
abstract int	getLocation()	Returns the current location.
Operation	getOperation()
String	getOpName()
String	getSourceLocation()
AbstractStackFrame.StackSequence	getStack()	Gets a list of the stacks.
void	leave()	Makes the tool leave the frame.
abstract AbstractStackFrame	newFrame(Operation frameOperation)	Returns a new frame for the given operation.
void	setLocalVars(Object[] localVars)

Methods inherited from class java.lang.Object

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

Field Details

execEnv

protected ExecEnv execEnv

The execution environment.

caller

protected AbstractStackFrame caller

operation

protected Operation operation

localVars

protected Object[] localVars

The local variables list.

Constructor Details

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 Details

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 Object[] getLocalVars()

setLocalVars

public void setLocalVars(Object[] localVars)

getExecEnv

public ExecEnv getExecEnv()

getOperation

public Operation getOperation()

getCaller

public AbstractStackFrame getCaller()

getLocalVariables

public Map<String,Object> getLocalVariables()

Returns the local variables map.

Returns:

the local variables map

enter

public AbstractStackFrame enter()

Makes the tool enter the frame.

Returns:

self

leave

public void leave()

Makes the tool leave the frame.

getStack

public AbstractStackFrame.StackSequence getStack()

Gets a list of the stacks.

Returns:

the Stack list

getSourceLocation

public String getSourceLocation()

getOpName

public String getOpName()

getLocation

public abstract int getLocation()

Returns the current location.

Returns:

the current location