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Java Source Code / Java Documentation » Scripting » Nice » gnu.mapping 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   gnu.mapping.Procedure
      gnu.mapping.Procedure1
         gnu.mapping.NameMap
            gnu.mapping.Environment

Environment
public class Environment extends NameMap (Code)
An environment contains (name->value) bindings. Names are Strings that are compared by ==, not equal.
author:
   Per Bothner


Field Summary
protected  ConstantConstraintconstantConstraint
    
 booleanlocked
    
 intlog2Size
    
 intnum_bindings
    
 Environmentprevious
    
 Binding[]table
    
protected  TrivialConstrainttrivialConstraint
    
protected  UnboundConstraintunboundConstraint
    

Constructor Summary
public  Environment()
    
public  Environment(int capacity)
    
public  Environment(Environment previous)
    

Method Summary
public  voidaddBinding(Binding binding)
    
public  BindingaddBinding(String name, Object value)
    
public static  Environmentcurrent()
    
public  Bindingdefine(String name, Object value)
    
public static  voiddefineFunction(String name, Object new_value)
    
public static  voiddefineFunction(Environment env, String name, Object new_value)
    
public  BindingdefineValue(String name, Object value)
     Define the value binding for a symbol.
public static  voiddefine_global(String name, Object new_value)
     Define name (interned) to have a given value.
public  BindingEnumerationenumerateAllBindings()
     Does enumerate inherited Bindings.
public  BindingEnumerationenumerateBindings()
     Does not enumerate inherited Bindings.
public  Objectget(String name, Object defaultValue)
    
public  BindinggetBinding(String name)
    
public static  EnvironmentgetCurrent()
    
public static  BindinggetCurrentBinding(String name)
    
public  ObjectgetFunction(String name)
     Get the function binding for a symbol.
final public  booleanisBound(String name)
    
final public  booleanisLocked()
     True if this environment is locked - bindings cannot be added or removed.
public  Bindinglookup(String name)
     Search for a variable binding by name.
public static  Objectlookup_global(String name)
    
public  Objectput(String name, Object value)
    
public  Objectput(Object name, Object value)
    
public  voidputFunction(String name, Object value)
     Set the function binding for a symbol.
public static  voidput_global(String name, Object new_value)
     Define name (interned) to have a given value.
 voidrehash()
    
public  Objectremove(String name)
    
public  Objectremove(Object name)
    
public  voidremove(Binding binding)
    
public static  voidsetCurrent(Environment env)
    
final public  voidsetLocked(boolean locked)
    
public  StringtoString()
    
public static  Environmentuser()
    

Field Detail
constantConstraint
protected ConstantConstraint constantConstraint(Code)



locked
boolean locked(Code)



log2Size
int log2Size(Code)



num_bindings
int num_bindings(Code)



previous
Environment previous(Code)



table
Binding[] table(Code)



trivialConstraint
protected TrivialConstraint trivialConstraint(Code)



unboundConstraint
protected UnboundConstraint unboundConstraint(Code)




Constructor Detail
Environment
public Environment()(Code)



Environment
public Environment(int capacity)(Code)



Environment
public Environment(Environment previous)(Code)




Method Detail
addBinding
public void addBinding(Binding binding)(Code)



addBinding
public Binding addBinding(String name, Object value)(Code)



current
public static Environment current()(Code)



define
public Binding define(String name, Object value)(Code)
Define the value or function binding for a symbol, as appropriate



defineFunction
public static void defineFunction(String name, Object new_value)(Code)



defineFunction
public static void defineFunction(Environment env, String name, Object new_value)(Code)



defineValue
public Binding defineValue(String name, Object value)(Code)
Define the value binding for a symbol.



define_global
public static void define_global(String name, Object new_value)(Code)
Define name (interned) to have a given value.



enumerateAllBindings
public BindingEnumeration enumerateAllBindings()(Code)
Does enumerate inherited Bindings.



enumerateBindings
public BindingEnumeration enumerateBindings()(Code)
Does not enumerate inherited Bindings.



get
public Object get(String name, Object defaultValue)(Code)



getBinding
public Binding getBinding(String name)(Code)



getCurrent
public static Environment getCurrent()(Code)



getCurrentBinding
public static Binding getCurrentBinding(String name)(Code)



getFunction
public Object getFunction(String name)(Code)
Get the function binding for a symbol. If this Environment is a single-namespace language (such as Scheme). this is equivalent to getChecked.
exception:
  gnu.mapping.UnboundSymbol - the name has no function binding



isBound
final public boolean isBound(String name)(Code)



isLocked
final public boolean isLocked()(Code)
True if this environment is locked - bindings cannot be added or removed.



lookup
public Binding lookup(String name)(Code)
Search for a variable binding by name.
Parameters:
  sym - the (interned) name of the binding to search for the value of the binding, or null if not found



lookup_global
public static Object lookup_global(String name) throws UnboundSymbol(Code)



put
public Object put(String name, Object value)(Code)



put
public Object put(Object name, Object value)(Code)



putFunction
public void putFunction(String name, Object value)(Code)
Set the function binding for a symbol. If this Environment is a single-namespace language (such as Scheme). this is equivalent to put.



put_global
public static void put_global(String name, Object new_value)(Code)
Define name (interned) to have a given value.



rehash
void rehash()(Code)



remove
public Object remove(String name)(Code)



remove
public Object remove(Object name)(Code)



remove
public void remove(Binding binding)(Code)



setCurrent
public static void setCurrent(Environment env)(Code)



setLocked
final public void setLocked(boolean locked)(Code)



toString
public String toString()(Code)



user
public static Environment user()(Code)



Methods inherited from gnu.mapping.NameMap
public Object apply1(Object arg)(Code)(Java Doc)
final public Object get(Object name)(Code)(Java Doc)
abstract public Object get(String key, Object defaultValue)(Code)(Java Doc)
final public Object getChecked(String name)(Code)(Java Doc)
abstract public Object put(String key, Object value)(Code)(Java Doc)
public void set1(Object arg, Object value)(Code)(Java Doc)

Methods inherited from gnu.mapping.Procedure1
public Object apply0() throws Throwable(Code)(Java Doc)
abstract public Object apply1(Object arg1) throws Throwable(Code)(Java Doc)
public Object apply2(Object arg1, Object arg2) throws Throwable(Code)(Java Doc)
public Object apply3(Object arg1, Object arg2, Object arg3) throws Throwable(Code)(Java Doc)
public Object apply4(Object arg1, Object arg2, Object arg3, Object arg4) throws Throwable(Code)(Java Doc)
public Object applyN(Object[] args) throws Throwable(Code)(Java Doc)
public int numArgs()(Code)(Java Doc)

Methods inherited from gnu.mapping.Procedure
public void apply(Runnable ctx) throws Throwable(Code)(Java Doc)
abstract public Object apply0() throws Throwable(Code)(Java Doc)
abstract public Object apply1(Object arg1) throws Throwable(Code)(Java Doc)
abstract public Object apply2(Object arg1, Object arg2) throws Throwable(Code)(Java Doc)
abstract public Object apply3(Object arg1, Object arg2, Object arg3) throws Throwable(Code)(Java Doc)
abstract public Object apply4(Object arg1, Object arg2, Object arg3, Object arg4) throws Throwable(Code)(Java Doc)
abstract public Object applyN(Object[] args) throws Throwable(Code)(Java Doc)
public static void checkArgCount(Procedure proc, int argCount)(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public Object getProperty(Object key, Object defaultValue)(Code)(Java Doc)
public Procedure getSetter()(Code)(Java Doc)
final public int maxArgs()(Code)(Java Doc)
final public int minArgs()(Code)(Java Doc)
final public String name()(Code)(Java Doc)
public int numArgs()(Code)(Java Doc)
public Object removeProperty(Object key)(Code)(Java Doc)
public void set0(Object result) throws Throwable(Code)(Java Doc)
public void set1(Object arg1, Object value) throws Throwable(Code)(Java Doc)
public void setN(Object[] args) throws Throwable(Code)(Java Doc)
final public void setName(String name)(Code)(Java Doc)
public synchronized void setProperty(Object key, Object value)(Code)(Java Doc)
public static Object[] setProperty(Object[] properties, Object key, Object value)(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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