koala.dynamicjava.interpreter.context
Class GlobalContext

java.lang.Object
  koala.dynamicjava.interpreter.context.VariableContext
      koala.dynamicjava.interpreter.context.GlobalContext

All Implemented Interfaces:

Context, SimpleContext

Direct Known Subclasses:

StaticContext

public class GlobalContext

extends VariableContext

implements Context

A global context.

Nested Class Summary

protected class	GlobalContext.PseudoClassLoader To test the existance of a class without loading it
protected class	GlobalContext.PseudoError To test the existance of a class without loading it

Nested classes inherited from class koala.dynamicjava.interpreter.context.VariableContext

VariableContext.AbstractVariable, VariableContext.Constant, VariableContext.Link, VariableContext.LinkFactory, VariableContext.Scope, VariableContext.Variable

Field Summary

protected boolean	accessible
protected static ReferenceType	CLASS_TYPE
protected static int	classCount To generate an unique name for the generated classes
protected java.lang.ClassLoader	classLoader The class loader
protected ClassLoaderContainer	clc The class loader container
protected java.util.List	functions The functions
protected ImportationManager	importationManager The importation manager
protected Interpreter	interpreter The interpreter
protected static FieldDeclaration	LOCALS
protected static java.lang.String	LOCALS_NAME
protected static ReferenceType	MAP_TYPE
protected static ArrayType	OBJECT_ARRAY_ARRAY
protected static TypeExpression	OBJECT_CLASS
protected static ReferenceType	OBJECT_TYPE

Fields inherited from class koala.dynamicjava.interpreter.context.VariableContext

cscope, scope, scopes

Constructor Summary

GlobalContext(Interpreter i)
Creates a new context

GlobalContext(Interpreter i, java.lang.ClassLoader cl)
Creates a new context

GlobalContext(Interpreter i, java.util.Set entries)
Creates a new context initialized with the given entries defined in the initial scope.

Method Summary

boolean	classExists(java.lang.String name) Whether a simple identifier is a class
protected ArrayInitializer	createClassArrayInitializer() Creates an initializer for the variable class array used to implement inner classes
Expression	createName(Node node, IdentifierToken name) Creates the tree that is associated with the given name
void	declareClassImport(java.lang.String cname) Declares a new single-type-import clause
void	declarePackageImport(java.lang.String pkg) Declares a new import-on-demand clause
void	defineClass(TypeDeclaration node) Defines a class from its syntax tree
void	defineFunction(MethodDeclaration node) Defines a MethodDeclaration as a function
boolean	exists(java.lang.String name) Whether a simple identifier represents an existing variable or field or type in this context.
boolean	getAccessible() Returns the accessibility state of this context.
protected java.lang.ClassLoader	getAdditionalClassLoader() Gets the additional class loader
java.lang.String	getCurrentPackage() Returns the current package
Node	getDefaultQualifier(Node node) Returns the default qualifier for this context
Node	getDefaultQualifier(Node node, java.lang.String tname) Returns the default qualifier for this context
java.lang.reflect.Field	getField(java.lang.Class fc, java.lang.String fn) Looks for a field
java.util.List	getFunctions() Returns the defined functions
java.lang.Object	getHiddenArgument() Returns the default argument to pass to methods in this context
ImportationManager	getImportationManager() Returns the importation manager
Interpreter	getInterpreter() Returns the current interpreter
LeftHandSideModifier	getModifier(ObjectFieldAccess node) Returns the modifier that match the given node
LeftHandSideModifier	getModifier(QualifiedName node) Returns the modifier that match the given node
LeftHandSideModifier	getModifier(StaticFieldAccess node) Returns the modifier that match the given node
LeftHandSideModifier	getModifier(SuperFieldAccess node) Returns the modifier that match the given node
protected java.lang.String	getPackageName(java.lang.Class c) Gets the package name for the given class
java.lang.reflect.Field	getSuperField(Node node, java.lang.String fn) Looks for a field in the super class
java.lang.Object	invokeConstructor(ClassAllocation node, java.lang.Object[] args) Invokes a constructor
java.lang.Object	invokeConstructor(SimpleAllocation node, java.lang.Object[] args) Invokes a constructor
boolean	isDefined(java.lang.String name) Tests whether a variable is defined in this context
java.lang.Class	lookupClass(java.lang.String cname) Looks for a class
java.lang.Class	lookupClass(java.lang.String cname, java.lang.String ccname) Looks for a class (context-free lookup)
java.lang.reflect.Constructor	lookupConstructor(java.lang.Class c, java.lang.Class[] params) Looks for a constructor
MethodDeclaration	lookupFunction(java.lang.String mname, java.lang.Class[] params) Looks for a function
java.lang.reflect.Method	lookupMethod(Node prefix, java.lang.String mname, java.lang.Class[] params) Looks for a method
java.lang.reflect.Method	lookupSuperMethod(Node node, java.lang.String mname, java.lang.Class[] params) Looks for a super method
protected void	setAccessFlag(java.lang.reflect.Member m) Sets the access flag of a member
void	setAccessible(boolean accessible) Allows the scripts to access private fields.
void	setAdditionalClassLoaderContainer(ClassLoaderContainer clc) Sets the additional class loader container
void	setCurrentPackage(java.lang.String pkg) Sets the current package
void	setFunctions(java.util.List l) Sets the defined functions
void	setImportationManager(ImportationManager im) Sets the importation manager
java.lang.Class	setProperties(ClassAllocation node, java.lang.Class c, java.lang.Class[] args, java.util.List memb) Sets the properties of a ClassAllocation node
java.lang.Class	setProperties(SimpleAllocation node, java.lang.Class c, java.lang.Class[] cargs) Sets the properties of a SimpleAllocation node

Methods inherited from class koala.dynamicjava.interpreter.context.VariableContext

define, defineConstant, defineVariables, enterScope, enterScope, get, getConstants, getCurrentScopeVariableNames, getCurrentScopeVariables, isDefinedVariable, isFinal, leaveScope, set, setConstant, setVariable

Methods inherited from class java.lang.Object

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

Methods inherited from interface koala.dynamicjava.interpreter.context.SimpleContext

define, defineConstant, defineVariables, enterScope, enterScope, get, getConstants, getCurrentScopeVariableNames, getCurrentScopeVariables, isDefinedVariable, isFinal, leaveScope, set, setConstant, setVariable

Field Detail

CLASS_TYPE

protected static final ReferenceType CLASS_TYPE

MAP_TYPE

protected static final ReferenceType MAP_TYPE

OBJECT_TYPE

protected static final ReferenceType OBJECT_TYPE

OBJECT_ARRAY_ARRAY

protected static final ArrayType OBJECT_ARRAY_ARRAY

OBJECT_CLASS

protected static final TypeExpression OBJECT_CLASS

LOCALS_NAME

protected static final java.lang.String LOCALS_NAME

See Also:

Constant Field Values

LOCALS

protected static final FieldDeclaration LOCALS

classCount

protected static int classCount

To generate an unique name for the generated classes

importationManager

protected ImportationManager importationManager

The importation manager

interpreter

protected Interpreter interpreter

The interpreter

classLoader

protected java.lang.ClassLoader classLoader

The class loader

clc

protected ClassLoaderContainer clc

The class loader container

functions

protected java.util.List functions

The functions

accessible

protected boolean accessible

Constructor Detail

GlobalContext

public GlobalContext(Interpreter i)

Creates a new context

Parameters:

i - the interpreter

GlobalContext

public GlobalContext(Interpreter i,
                     java.lang.ClassLoader cl)

Creates a new context

Parameters:

i - the interpreter

cl - the classloader to use

GlobalContext

public GlobalContext(Interpreter i,
                     java.util.Set entries)

Creates a new context initialized with the given entries defined in the initial scope.

Parameters:

i - the interpreter

entries - a set of string

Method Detail

setAdditionalClassLoaderContainer

public void setAdditionalClassLoaderContainer(ClassLoaderContainer clc)

Sets the additional class loader container

Specified by:

setAdditionalClassLoaderContainer in interface Context

setAccessible

public void setAccessible(boolean accessible)

Allows the scripts to access private fields.

Specified by:

setAccessible in interface Context

getAccessible

public boolean getAccessible()

Returns the accessibility state of this context.

Specified by:

getAccessible in interface Context

getAdditionalClassLoader

protected java.lang.ClassLoader getAdditionalClassLoader()

Gets the additional class loader

setFunctions

public void setFunctions(java.util.List l)

Sets the defined functions

Specified by:

setFunctions in interface Context

getFunctions

public java.util.List getFunctions()

Returns the defined functions

Specified by:

getFunctions in interface Context

getInterpreter

public Interpreter getInterpreter()

Returns the current interpreter

Specified by:

getInterpreter in interface Context

getImportationManager

public ImportationManager getImportationManager()

Returns the importation manager

Specified by:

getImportationManager in interface Context

setImportationManager

public void setImportationManager(ImportationManager im)

Sets the importation manager

Specified by:

setImportationManager in interface Context

exists

public boolean exists(java.lang.String name)

Whether a simple identifier represents an existing variable or field or type in this context.

Specified by:

exists in interface Context

Parameters:

name - the identifier

classExists

public boolean classExists(java.lang.String name)

Whether a simple identifier is a class

Specified by:

classExists in interface Context

Parameters:

name - the identifier

defineFunction

public void defineFunction(MethodDeclaration node)

Defines a MethodDeclaration as a function

Specified by:

defineFunction in interface Context

Parameters:

node - the function declaration

defineClass

public void defineClass(TypeDeclaration node)

Defines a class from its syntax tree

Specified by:

defineClass in interface Context

Parameters:

node - the class declaration

isDefined

public boolean isDefined(java.lang.String name)

Tests whether a variable is defined in this context

Specified by:

isDefined in interface Context

Parameters:

name - the name of the entry

Returns:

false if the variable is undefined

setCurrentPackage

public void setCurrentPackage(java.lang.String pkg)

Sets the current package

Specified by:

setCurrentPackage in interface Context

Parameters:

pkg - the package name

getCurrentPackage

public java.lang.String getCurrentPackage()

Returns the current package

Specified by:

getCurrentPackage in interface Context

declarePackageImport

public void declarePackageImport(java.lang.String pkg)

Declares a new import-on-demand clause

Specified by:

declarePackageImport in interface Context

Parameters:

pkg - the package name

declareClassImport

public void declareClassImport(java.lang.String cname)
                        throws java.lang.ClassNotFoundException

Declares a new single-type-import clause

Specified by:

declareClassImport in interface Context

Parameters:

cname - the fully qualified class name

Throws:

java.lang.ClassNotFoundException - if the class cannot be found

getDefaultQualifier

public Node getDefaultQualifier(Node node)

Returns the default qualifier for this context

Specified by:

getDefaultQualifier in interface Context

Parameters:

node - the current node

getDefaultQualifier

public Node getDefaultQualifier(Node node,
                                java.lang.String tname)

Returns the default qualifier for this context

Specified by:

getDefaultQualifier in interface Context

Parameters:

node - the current node

tname - the qualifier of 'this'

getModifier

public LeftHandSideModifier getModifier(QualifiedName node)

Returns the modifier that match the given node

Specified by:

getModifier in interface Context

Parameters:

node - a tree node

getModifier

public LeftHandSideModifier getModifier(ObjectFieldAccess node)

Returns the modifier that match the given node

Specified by:

getModifier in interface Context

Parameters:

node - a tree node

getModifier

public LeftHandSideModifier getModifier(StaticFieldAccess node)

Returns the modifier that match the given node

Specified by:

getModifier in interface Context

Parameters:

node - a tree node

getModifier

public LeftHandSideModifier getModifier(SuperFieldAccess node)

Returns the modifier that match the given node

Specified by:

getModifier in interface Context

Parameters:

node - a tree node

getHiddenArgument

public java.lang.Object getHiddenArgument()

Returns the default argument to pass to methods in this context

Specified by:

getHiddenArgument in interface Context

createName

public Expression createName(Node node,
                             IdentifierToken name)

Creates the tree that is associated with the given name

Specified by:

createName in interface Context

Parameters:

node - the current node

name - the variable name

Throws:

java.lang.IllegalStateException - if the variable is not defined

lookupClass

public java.lang.Class lookupClass(java.lang.String cname)
                            throws java.lang.ClassNotFoundException

Looks for a class

Specified by:

lookupClass in interface Context

Parameters:

cname - the class name

Throws:

java.lang.ClassNotFoundException - if the class cannot be found

lookupClass

public java.lang.Class lookupClass(java.lang.String cname,
                                   java.lang.String ccname)
                            throws java.lang.ClassNotFoundException

Looks for a class (context-free lookup)

Specified by:

lookupClass in interface Context

Parameters:

cname - the class name

ccname - the fully qualified name of the context class

Throws:

java.lang.ClassNotFoundException - if the class cannot be found

setProperties

public java.lang.Class setProperties(SimpleAllocation node,
                                     java.lang.Class c,
                                     java.lang.Class[] cargs)

Sets the properties of a SimpleAllocation node

Specified by:

setProperties in interface Context

Parameters:

node - the allocation node

c - the class of the constructor

cargs - the classes of the arguments of the constructor

setProperties

public java.lang.Class setProperties(ClassAllocation node,
                                     java.lang.Class c,
                                     java.lang.Class[] args,
                                     java.util.List memb)

Sets the properties of a ClassAllocation node

Specified by:

setProperties in interface Context

Parameters:

node - the allocation node

c - the class of the constructor

args - the classes of the arguments of the constructor

memb - the class members

createClassArrayInitializer

protected ArrayInitializer createClassArrayInitializer()

Creates an initializer for the variable class array used to implement inner classes

lookupConstructor

public java.lang.reflect.Constructor lookupConstructor(java.lang.Class c,
                                                       java.lang.Class[] params)
                                                throws java.lang.NoSuchMethodException

Looks for a constructor

Specified by:

lookupConstructor in interface Context

Parameters:

c - the class of the constructor

params - the parameter types

Throws:

java.lang.NoSuchMethodException - if the constructor cannot be found

invokeConstructor

public java.lang.Object invokeConstructor(SimpleAllocation node,
                                          java.lang.Object[] args)

Invokes a constructor

Specified by:

invokeConstructor in interface Context

Parameters:

node - the SimpleAllocation node

args - the arguments

invokeConstructor

public java.lang.Object invokeConstructor(ClassAllocation node,
                                          java.lang.Object[] args)

Invokes a constructor

Specified by:

invokeConstructor in interface Context

Parameters:

node - the ClassAllocation node

args - the arguments

lookupMethod

public java.lang.reflect.Method lookupMethod(Node prefix,
                                             java.lang.String mname,
                                             java.lang.Class[] params)
                                      throws java.lang.NoSuchMethodException

Looks for a method

Specified by:

lookupMethod in interface Context

Parameters:

prefix - the method prefix

mname - the method name

params - the parameter types

Throws:

java.lang.NoSuchMethodException - if the method cannot be found

lookupFunction

public MethodDeclaration lookupFunction(java.lang.String mname,
                                        java.lang.Class[] params)
                                 throws NoSuchFunctionException

Looks for a function

Specified by:

lookupFunction in interface Context

Parameters:

mname - the function name

params - the parameter types

Throws:

NoSuchFunctionException - if the function cannot be found

lookupSuperMethod

public java.lang.reflect.Method lookupSuperMethod(Node node,
                                                  java.lang.String mname,
                                                  java.lang.Class[] params)
                                           throws java.lang.NoSuchMethodException

Looks for a super method

Specified by:

lookupSuperMethod in interface Context

Parameters:

node - the current node

mname - the method name

params - the parameter types

Throws:

java.lang.NoSuchMethodException - if the method cannot be find

getField

public java.lang.reflect.Field getField(java.lang.Class fc,
                                        java.lang.String fn)
                                 throws java.lang.NoSuchFieldException,
                                        AmbiguousFieldException

Looks for a field

Specified by:

getField in interface Context

Parameters:

fc - the field class

fn - the field name

Throws:

java.lang.NoSuchFieldException - if the field cannot be find

AmbiguousFieldException - if the field is ambiguous

getSuperField

public java.lang.reflect.Field getSuperField(Node node,
                                             java.lang.String fn)
                                      throws java.lang.NoSuchFieldException,
                                             AmbiguousFieldException

Looks for a field in the super class

Specified by:

getSuperField in interface Context

Parameters:

node - the current node

fn - the field name

Throws:

java.lang.NoSuchFieldException - if the field cannot be find

AmbiguousFieldException - if the field is ambiguous

setAccessFlag

protected void setAccessFlag(java.lang.reflect.Member m)

Sets the access flag of a member

getPackageName

protected java.lang.String getPackageName(java.lang.Class c)

Gets the package name for the given class