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

java.lang.Object
  org.eclipse.m2m.atl.engine.emfvm.lib.Operation
      org.eclipse.m2m.atl.engine.emfvm.ASMOperation

public class ASMOperation
extends Operation

ASM commands scheduler.

Field Summary

static int

MAX_STACK The max size of the Stack.

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

maxLocals

Constructor Summary

ASMOperation(ASM asm, java.lang.String name)
ASMOperation constructor.

Method Summary

void	addLineNumberEntry(java.lang.String id, int begin, int end) Adds a line number entry.
void	addLocalVariableEntry(int slot, java.lang.String variableName, int begin, int end) Adds a local variable entry with the given parameters.
void	addParameter(java.lang.String parameterName, java.lang.String type) Adds a parameter.
java.lang.Object	exec(AbstractStackFrame frame) Executes an operation.
java.lang.Object	exec(AbstractStackFrame frame, org.eclipse.core.runtime.IProgressMonitor monitor) Executes an operation.
protected static java.lang.reflect.Method	findMethod(java.lang.Class<?> caller, java.lang.String name, java.lang.Class<?>[] argumentTypes) Looks for a method into cache and metamodel.
ASM	getAsm()
Bytecode[]	getBytecodes() Returns the bytecodes.
java.lang.String	getContext()
java.util.List<org.eclipse.m2m.atl.engine.emfvm.ASMOperation.LineNumberEntry>	getLineNumberTable()
java.util.List<org.eclipse.m2m.atl.engine.emfvm.ASMOperation.LocalVariableEntry>	getLocalVariableTable()
int	getMaxLocals()
java.lang.String	getName()
java.util.List<java.lang.String>	getParameters()
java.lang.String	resolveLineNumber(int l) Returns the line at the specified number.
java.lang.String	resolveVariableName(int slot, int l) Resolves a variable name by its slot number and its index.
void	setBytecodes(Bytecode[] bytecodes) Sets the bytecodes for the operation.
void	setContext(java.lang.String context)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MAX_STACK

public static final int MAX_STACK

The max size of the Stack.

See Also:

Constant Field Values

Constructor Detail

ASMOperation

public ASMOperation(ASM asm,
                    java.lang.String name)

ASMOperation constructor.

Parameters:

asm - the parent asm

name - operation name

Method Detail

getMaxLocals

public int getMaxLocals()

Overrides:

getMaxLocals in class Operation

See Also:

Operation.getMaxLocals()

getParameters

public java.util.List<java.lang.String> getParameters()

setContext

public void setContext(java.lang.String context)

getContext

public java.lang.String getContext()

addParameter

public void addParameter(java.lang.String parameterName,
                         java.lang.String type)

Adds a parameter.

Parameters:

parameterName - the parameter name

type - the parameter type

addLineNumberEntry

public void addLineNumberEntry(java.lang.String id,
                               int begin,
                               int end)

Adds a line number entry.

Parameters:

id - the parameter id

begin - the begin index

end - the end index

getLineNumberTable

public java.util.List<org.eclipse.m2m.atl.engine.emfvm.ASMOperation.LineNumberEntry> getLineNumberTable()

resolveLineNumber

public java.lang.String resolveLineNumber(int l)

Returns the line at the specified number.

Parameters:

l - the line number

Returns:

the line at the specified number

addLocalVariableEntry

public void addLocalVariableEntry(int slot,
                                  java.lang.String variableName,
                                  int begin,
                                  int end)

Adds a local variable entry with the given parameters.

Parameters:

slot - the slot number

variableName - the variable name

begin - the begin index

end - the end index

getLocalVariableTable

public java.util.List<org.eclipse.m2m.atl.engine.emfvm.ASMOperation.LocalVariableEntry> getLocalVariableTable()

resolveVariableName

public java.lang.String resolveVariableName(int slot,
                                            int l)

Resolves a variable name by its slot number and its index.

Parameters:

slot - the slot number

l - the variable index

Returns:

the variable name

setBytecodes

public void setBytecodes(Bytecode[] bytecodes)

Sets the bytecodes for the operation.

Parameters:

bytecodes - the bytecodes to set

getBytecodes

public Bytecode[] getBytecodes()

Returns the bytecodes.

Returns:

The bytecodes, if any

getName

public java.lang.String getName()

exec

public java.lang.Object exec(AbstractStackFrame frame,
                             org.eclipse.core.runtime.IProgressMonitor monitor)

Executes an operation.

Parameters:

frame - the frame for execution

monitor - the progress monitor

Returns:

the result

exec

public java.lang.Object exec(AbstractStackFrame frame)

Executes an operation.

Specified by:

exec in class Operation

Parameters:

frame - the frame for execution

Returns:

the result

See Also:

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

getAsm

public ASM getAsm()

findMethod

protected static java.lang.reflect.Method findMethod(java.lang.Class<?> caller,
                                                     java.lang.String name,
                                                     java.lang.Class<?>[] argumentTypes)

Looks for a method into cache and metamodel.

Parameters:

caller - The class of the method

name - The method name

argumentTypes - The types of all arguments

Returns:

the method if found, null otherwise

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()