edu.rice.cs.dynamicjava.interpreter
Class FunctionContext

java.lang.Object
  edu.rice.cs.dynamicjava.interpreter.DelegatingContext
      edu.rice.cs.dynamicjava.interpreter.FunctionContext

All Implemented Interfaces:

TypeContext

public class FunctionContext
extends DelegatingContext

The context of a function's (method, constructor, or local function) body, introducing the function's parameters.

Constructor Summary

FunctionContext(TypeContext next, Function f)

Method Summary

protected FunctionContext	duplicate(TypeContext next) Create a copy of this context with the given context enclosing it.
boolean	fieldExists(String name, TypeSystem ts) Test whether name is an in-scope field
boolean	functionExists(String name, TypeSystem ts) Test whether name is an in-scope method or local function
Iterable<Type>	getDeclaredThrownTypes() The types that are allowed to be thrown in the current context.
Iterable<LocalFunction>	getLocalFunctions(String name, TypeSystem ts, Iterable<LocalFunction> partial) Helper for getLocalFunctions: list all matching functions, including those provided.
LocalVariable	getLocalVariable(String name, TypeSystem ts) Return the variable object for the given name, or null if it does not exist.
Type	getReturnType() The expected type of a return statement in the given context, or null if return statements should not appear here.
DJClass	getThis() Return the class of this in the current context, or null if there is no such value (for example, in a static context).
DJClass	getThis(String className) Return the class of className.this in the current context, or null if there is no such value (for example, in a static context).
DJClass	getThis(Type expected, TypeSystem ts) Return the innermost "this" class with the given type in the current context, or null if there is no such value (for example, in a static context).
DJClass	initializingClass() Class which is being initialized (via a constructor or initialization block); null otherwise.
boolean	localFunctionExists(String name, TypeSystem ts) Test whether name is an in-scope local function
boolean	localVariableExists(String name, TypeSystem ts) Test whether name is an in-scope local variable
String	makeClassName(String n) Return a full name for a class with the given name declared here.
boolean	methodExists(String name, TypeSystem ts) Test whether name is an in-scope method
ClassType	typeContainingField(String name, TypeSystem ts) Return the most inner type containing a field with the given name, or null if there is no such type.
Type	typeContainingMethod(String name, TypeSystem ts) Return the most inner type containing a method with the given name, or null if there is no such type.
boolean	variableExists(String name, TypeSystem ts) Test whether name is an in-scope field or local variable

Methods inherited from class edu.rice.cs.dynamicjava.interpreter.DelegatingContext

accessModule, getClassLoader, getLocalFunctions, getTopLevelClass, getTypeVariable, importField, importMemberClass, importMemberClasses, importMethod, importStaticMembers, importTopLevelClass, importTopLevelClasses, makeAnonymousClassName, memberClassExists, setPackage, topLevelClassExists, typeContainingMemberClass, typeExists, typeVariableExists

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionContext

public FunctionContext(TypeContext next,
                       Function f)

Method Detail

duplicate

protected FunctionContext duplicate(TypeContext next)

Description copied from class: DelegatingContext

Create a copy of this context with the given context enclosing it.

Specified by:

duplicate in class DelegatingContext

variableExists

public boolean variableExists(String name,
                              TypeSystem ts)

Description copied from class: DelegatingContext

Test whether name is an in-scope field or local variable

Specified by:

variableExists in interface TypeContext

Overrides:

variableExists in class DelegatingContext

localVariableExists

public boolean localVariableExists(String name,
                                   TypeSystem ts)

Description copied from class: DelegatingContext

Test whether name is an in-scope local variable

Specified by:

localVariableExists in interface TypeContext

Overrides:

localVariableExists in class DelegatingContext

getLocalVariable

public LocalVariable getLocalVariable(String name,
                                      TypeSystem ts)

Description copied from class: DelegatingContext

Return the variable object for the given name, or null if it does not exist.

Specified by:

getLocalVariable in interface TypeContext

Overrides:

getLocalVariable in class DelegatingContext

fieldExists

public boolean fieldExists(String name,
                           TypeSystem ts)

Description copied from class: DelegatingContext

Test whether name is an in-scope field

Specified by:

fieldExists in interface TypeContext

Overrides:

fieldExists in class DelegatingContext

typeContainingField

public ClassType typeContainingField(String name,
                                     TypeSystem ts)
                              throws AmbiguousNameException

Description copied from class: DelegatingContext

Return the most inner type containing a field with the given name, or null if there is no such type.

Specified by:

typeContainingField in interface TypeContext

Overrides:

typeContainingField in class DelegatingContext

Throws:

AmbiguousNameException

functionExists

public boolean functionExists(String name,
                              TypeSystem ts)

Description copied from class: DelegatingContext

Test whether name is an in-scope method or local function

Specified by:

functionExists in interface TypeContext

Overrides:

functionExists in class DelegatingContext

localFunctionExists

public boolean localFunctionExists(String name,
                                   TypeSystem ts)

Description copied from class: DelegatingContext

Test whether name is an in-scope local function

Specified by:

localFunctionExists in interface TypeContext

Overrides:

localFunctionExists in class DelegatingContext

getLocalFunctions

public Iterable<LocalFunction> getLocalFunctions(String name,
                                                 TypeSystem ts,
                                                 Iterable<LocalFunction> partial)

Description copied from interface: TypeContext

Helper for getLocalFunctions: list all matching functions, including those provided.

Specified by:

getLocalFunctions in interface TypeContext

Overrides:

getLocalFunctions in class DelegatingContext

methodExists

public boolean methodExists(String name,
                            TypeSystem ts)

Description copied from class: DelegatingContext

Test whether name is an in-scope method

Specified by:

methodExists in interface TypeContext

Overrides:

methodExists in class DelegatingContext

typeContainingMethod

public Type typeContainingMethod(String name,
                                 TypeSystem ts)

Description copied from class: DelegatingContext

Return the most inner type containing a method with the given name, or null if there is no such type.

Specified by:

typeContainingMethod in interface TypeContext

Overrides:

typeContainingMethod in class DelegatingContext

makeClassName

public String makeClassName(String n)

Description copied from class: DelegatingContext

Return a full name for a class with the given name declared here.

Specified by:

makeClassName in interface TypeContext

Overrides:

makeClassName in class DelegatingContext

getThis

public DJClass getThis()

Description copied from class: DelegatingContext

Return the class of this in the current context, or null if there is no such value (for example, in a static context).

Specified by:

getThis in interface TypeContext

Overrides:

getThis in class DelegatingContext

getThis

public DJClass getThis(String className)

Description copied from class: DelegatingContext

Return the class of className.this in the current context, or null if there is no such value (for example, in a static context).

Specified by:

getThis in interface TypeContext

Overrides:

getThis in class DelegatingContext

getThis

public DJClass getThis(Type expected,
                       TypeSystem ts)

Description copied from interface: TypeContext

Return the innermost "this" class with the given type in the current context, or null if there is no such value (for example, in a static context).

Specified by:

getThis in interface TypeContext

Overrides:

getThis in class DelegatingContext

initializingClass

public DJClass initializingClass()

Description copied from interface: TypeContext

Class which is being initialized (via a constructor or initialization block); null otherwise.

Specified by:

initializingClass in interface TypeContext

Overrides:

initializingClass in class DelegatingContext

getReturnType

public Type getReturnType()

Description copied from class: DelegatingContext

The expected type of a return statement in the given context, or null if return statements should not appear here.

Specified by:

getReturnType in interface TypeContext

Overrides:

getReturnType in class DelegatingContext

getDeclaredThrownTypes

public Iterable<Type> getDeclaredThrownTypes()

Description copied from class: DelegatingContext

The types that are allowed to be thrown in the current context. If there is no such declaration, the list will be empty.

Specified by:

getDeclaredThrownTypes in interface TypeContext

Overrides:

getDeclaredThrownTypes in class DelegatingContext