Package org.eclipse.m2m.atl.emftvm.jit

Class JITCodeBlock

java.lang.Object

org.eclipse.m2m.atl.emftvm.jit.JITCodeBlock

public abstract class JITCodeBlock
extends Object

Interface for code generated by the JITCodeBlock compiler.

Field Summary

Fields

Modifier and Type	Field	Description
protected final CodeBlock	cb	The CodeBlock that this JITCodeBlock represents.
protected final Class<?>	context	The Java context type for this CodeBlock, or null.
protected final org.eclipse.emf.ecore.EClass	eContext	The EMF context type for this CodeBlock, or null.
protected static final org.eclipse.emf.ecore.EClass	EXEC_ENV	Singleton instance of the ExecEnv EClass.
protected final org.eclipse.emf.common.util.EList<CodeBlock>	nested	The nested CodeBlocks of cb.

Constructor Summary

Constructors

Constructor	Description
JITCodeBlock(CodeBlock cb)	Creates a new JITCodeBlock.

Method Summary

Modifier and Type	Method	Description
protected static void	add(Object o, Object v, int index, String propname, CodeBlock cb, StackFrame frame)	Adds v to o.propname.
protected static void	delete(org.eclipse.emf.ecore.EObject element, StackFrame frame)	Implements the DELETE instruction.
abstract Object	execute(StackFrame frame)	Executes this JITCodeBlock, using the parameters stored in frame.
protected static Object	findTypeS(String modelName, String typeName, ExecEnv env)	Implements the FINDTYPE_S instruction.
protected static Object	get(Object o, CodeBlock cb, StackFrame frame, String propname)	Implements the GET instruction.
protected static Object	get(Object o, ExecEnv env, String propname)	Implements the GET instruction.
protected static Object	get(Object o, StackFrame frame, String propname)	Implements the GET instruction.
protected static Object	getStatic(Object o, CodeBlock cb, StackFrame frame, String propname)	Implements the GET_STATIC instruction.
protected static Object	getSuper(Object o, Class<?> context, String propname, StackFrame frame)	Implements the GET_SUPER instruction.
protected static Object	getSuper(Object o, org.eclipse.emf.ecore.EClass context, String propname, StackFrame frame)	Implements the GET_SUPER instruction.
protected static Collection<Object>	getTrans(Object o, CodeBlock cb, StackFrame frame, String propname)	Implements the GET_TRANS instruction.
protected static Object	invokeNative(StackFrame frame, Object self, String opname, Object[] args, Method method)	Invokes native Java method on self with arguments args.
protected static Object	invokeNative(StackFrame frame, Object self, String opname, Object arg, Method method)	Invokes native Java method on self with argument arg.
protected static Object	invokeNative(StackFrame frame, Object self, String opname, Method method)	Invokes native Java method on self without arguments.
protected static Object	invokeStatic(Object type, Object[] args, StackFrame frame, String opname)	Implements the INVOKE_STATIC instruction
protected static Object	invokeStatic(Object type, Object arg, StackFrame frame, String opname)	Implements the INVOKE_STATIC instruction
protected static Object	invokeStatic(Object type, StackFrame frame, String opname)	Implements the INVOKE_STATIC instruction
protected static Object	invokeSuper(Object self, Class<?> context, StackFrame frame, String opname)	Implements the INVOKE_SUPER instruction
protected static Object	invokeSuper(Object self, Object[] args, Class<?> context, StackFrame frame, String opname)	Implements the INVOKE_SUPER instruction
protected static Object	invokeSuper(Object self, Object[] args, org.eclipse.emf.ecore.EClass context, StackFrame frame, String opname)	Implements the INVOKE_SUPER instruction
protected static Object	invokeSuper(Object self, Object arg, Class<?> context, StackFrame frame, String opname)	Implements the INVOKE_SUPER instruction
protected static Object	invokeSuper(Object self, Object arg, org.eclipse.emf.ecore.EClass context, StackFrame frame, String opname)	Implements the INVOKE_SUPER instruction
protected static Object	invokeSuper(Object self, org.eclipse.emf.ecore.EClass context, StackFrame frame, String opname)	Implements the INVOKE_SUPER instruction
protected static Object	matchOne(Object[] args, Rule rule, StackFrame frame)	Executes rule with args.
protected static Object	matchOne(Object[] args, StackFrame frame, String rulename)	Executes rule with args.
protected static Object	matchOne(Rule rule, StackFrame frame)	Executes rule without arguments.
protected static Object	matchOne(StackFrame frame, String rulename)	Executes rule without arguments.
protected static Object	newInstance(Object type, String modelname, ExecEnv env)	Creates a new instance of type.
protected static void	remove(Object o, Object v, String propname, CodeBlock cb, StackFrame frame)	Implements the REMOVE instruction.
protected static void	set(Object o, Object v, CodeBlock cb, StackFrame frame, String propname)	Implements the SET instruction.
protected static void	setStatic(Object o, Object v, CodeBlock cb, ExecEnv env, String propname)	Implements the SET_STATIC instruction.

Methods inherited from class java.lang.Object

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

Field Details

EXEC_ENV

protected static final org.eclipse.emf.ecore.EClass EXEC_ENV

Singleton instance of the ExecEnv EClass.

cb

protected final CodeBlock cb

The CodeBlock that this JITCodeBlock represents.

nested

protected final org.eclipse.emf.common.util.EList<CodeBlock> nested

The nested CodeBlocks of cb.

eContext

protected final org.eclipse.emf.ecore.EClass eContext

The EMF context type for this CodeBlock, or null.

context

protected final Class<?> context

The Java context type for this CodeBlock, or null.

Constructor Details

JITCodeBlock

public JITCodeBlock(CodeBlock cb)

Creates a new JITCodeBlock.

Parameters:

cb - the CodeBlock that this JITCodeBlock represents

Method Details

execute

public abstract Object execute(StackFrame frame)

Executes this JITCodeBlock, using the parameters stored in frame.

Parameters:

frame - the StackFrame to use during execution.

Returns:

the frame, containing any return value on top.

set

protected static void set(Object o,
 Object v,
 CodeBlock cb,
 StackFrame frame,
 String propname)
                   throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the SET instruction.

Parameters:

o - the object to set the value for

v - the value to set

cb - the original non-JIT'ed code block

frame - the current stack frame

propname - the name of the property to set

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

get

protected static Object get(Object o,
 CodeBlock cb,
 StackFrame frame,
 String propname)
                     throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET instruction.

Parameters:

o - the object to get the value for

cb - the original non-JIT'ed code block

frame - the current stack frame

propname - the name of the property to set

Returns:

the property value

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

get

protected static Object get(Object o,
 StackFrame frame,
 String propname)
                     throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET instruction. Assumes this code block is not contained in a rule, or the rule does not contain a Field with the given propname.

Parameters:

o - the object to get the value for

frame - the current stack frame

propname - the name of the property to set

cb - the original non-JIT'ed code block

Returns:

the property value

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

get

protected static Object get(Object o,
 ExecEnv env,
 String propname)
                     throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET instruction. Assumes there is no Field with the given propname.

Parameters:

o - the object to get the value for

env - the execution environment

propname - the name of the property to set

Returns:

the property value

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

getTrans

protected static Collection<Object> getTrans(Object o,
 CodeBlock cb,
 StackFrame frame,
 String propname)
                                      throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET_TRANS instruction.

Parameters:

o - the object to get the value for

cb - the original non-JIT'ed code block

frame - the current stack frame

propname - the name of the property to set

Returns:

the property values

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

getSuper

protected static Object getSuper(Object o,
 org.eclipse.emf.ecore.EClass context,
 String propname,
 StackFrame frame)
                          throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET_SUPER instruction.

Parameters:

o - the source object

context - the current field context type

propname -

frame -

Returns:

the property value

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

getSuper

protected static Object getSuper(Object o,
 Class<?> context,
 String propname,
 StackFrame frame)
                          throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET_SUPER instruction.

Parameters:

o - the source object

context - the current field context type

propname -

frame -

Returns:

the property value

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

setStatic

protected static void setStatic(Object o,
 Object v,
 CodeBlock cb,
 ExecEnv env,
 String propname)
                         throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the SET_STATIC instruction.

Parameters:

o - the object type to set the value for

v - the value to set

cb - the original non-JIT'ed code block

env - the execution environment

propname - the name of the property to set

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

getStatic

protected static Object getStatic(Object o,
 CodeBlock cb,
 StackFrame frame,
 String propname)
                           throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the GET_STATIC instruction.

Parameters:

o - the object to get the value for

cb - the original non-JIT'ed code block

frame - the current stack frame

propname - the name of the property to set

Returns:

the property value

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

findTypeS

protected static Object findTypeS(String modelName,
 String typeName,
 ExecEnv env)
                           throws ClassNotFoundException

Implements the FINDTYPE_S instruction.

Parameters:

modelName - the name of the model in which type can be found

typeName - the type name

env - the execution environment

Returns:

the type

Throws:

ClassNotFoundException

newInstance

protected static Object newInstance(Object type,
 String modelname,
 ExecEnv env)

Creates a new instance of type.

Parameters:

type - the type to instantiate

modelname - the name of the model in which to create a new instance

env - the execution environment

Returns:

the new object

delete

protected static void delete(org.eclipse.emf.ecore.EObject element,
 StackFrame frame)

Implements the DELETE instruction.

Parameters:

element - the element to delete

frame - the current stack frame

invokeNative

protected static Object invokeNative(StackFrame frame,
 Object self,
 String opname,
 Method method)

Invokes native Java method on self without arguments.

Parameters:

frame - the current stack frame

self - the object on which to invoke the method

opname - the method name

method - the method

Returns:

the method result

invokeNative

protected static Object invokeNative(StackFrame frame,
 Object self,
 String opname,
 Object arg,
 Method method)

Invokes native Java method on self with argument arg.

Parameters:

frame - the current stack frame

self - the object on which to invoke the method

opname - the method name

arg - the method argument

method - the method

Returns:

the method result

invokeNative

protected static Object invokeNative(StackFrame frame,
 Object self,
 String opname,
 Object[] args,
 Method method)

Invokes native Java method on self with arguments args.

Parameters:

frame - the current stack frame

self - the object on which to invoke the method

opname - the method name

args - the method arguments

Returns:

the method result

invokeSuper

protected static Object invokeSuper(Object self,
 org.eclipse.emf.ecore.EClass context,
 StackFrame frame,
 String opname)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_SUPER instruction

Parameters:

self -

context - the context type for "super"

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeSuper

protected static Object invokeSuper(Object self,
 Class<?> context,
 StackFrame frame,
 String opname)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_SUPER instruction

Parameters:

self -

context - the context type for "super"

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeSuper

protected static Object invokeSuper(Object self,
 Object arg,
 org.eclipse.emf.ecore.EClass context,
 StackFrame frame,
 String opname)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_SUPER instruction

Parameters:

self -

arg -

context - the context type for "super"

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeSuper

protected static Object invokeSuper(Object self,
 Object arg,
 Class<?> context,
 StackFrame frame,
 String opname)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_SUPER instruction

Parameters:

self -

arg -

context - the context type for "super"

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeSuper

protected static Object invokeSuper(Object self,
 Object[] args,
 org.eclipse.emf.ecore.EClass context,
 StackFrame frame,
 String opname)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_SUPER instruction

Parameters:

self -

args -

context - the context type for "super"

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeSuper

protected static Object invokeSuper(Object self,
 Object[] args,
 Class<?> context,
 StackFrame frame,
 String opname)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_SUPER instruction

Parameters:

self -

args -

context - the context type for "super"

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeStatic

protected static Object invokeStatic(Object type,
 StackFrame frame,
 String opname)
                              throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_STATIC instruction

Parameters:

type -

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeStatic

protected static Object invokeStatic(Object type,
 Object arg,
 StackFrame frame,
 String opname)
                              throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_STATIC instruction

Parameters:

type -

arg -

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

invokeStatic

protected static Object invokeStatic(Object type,
 Object[] args,
 StackFrame frame,
 String opname)
                              throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Implements the INVOKE_STATIC instruction

Parameters:

type -

args -

frame -

opname -

Returns:

the invocation result

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

matchOne

protected static Object matchOne(Object[] args,
 Rule rule,
 StackFrame frame)

Executes rule with args.

Parameters:

args - the rule arguments

rule - the rule

frame - the current stack frame

matchOne

protected static Object matchOne(Rule rule,
 StackFrame frame)

Executes rule without arguments.

Parameters:

rule - the rule

frame - the current stack frame

matchOne

protected static Object matchOne(Object[] args,
 StackFrame frame,
 String rulename)

Executes rule with args.

Parameters:

args - the rule arguments

frame - the current stack frame

rulename - the rule name

matchOne

protected static Object matchOne(StackFrame frame,
 String rulename)

Executes rule without arguments.

Parameters:

frame - the current stack frame

rulename - the rule name

add

protected static void add(Object o,
 Object v,
 int index,
 String propname,
 CodeBlock cb,
 StackFrame frame)
                   throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Adds v to o.propname. Implements the ADD and INSERT instructions.

Parameters:

o - object

v - value

index - the insertion index (-1 for end)

propname - the property name

cb - the original non-JIT'ed code block

frame - the current stack frame

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException

remove

protected static void remove(Object o,
 Object v,
 String propname,
 CodeBlock cb,
 StackFrame frame)
                      throws NoSuchFieldException,
IllegalArgumentException,
IllegalAccessException

Implements the REMOVE instruction.

Parameters:

o - object

v - value

propname - the property name

cb - the original non-JIT'ed code block

frame - the current stack frame

Throws:

NoSuchFieldException

IllegalAccessException

IllegalArgumentException