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


java.lang.Object
   gnu.bytecode.Location
      gnu.bytecode.Variable

Variable
public class Variable extends Location implements java.util.Enumeration(Code)


Field Summary
final static  intUNASSIGNED
    
 Variablenext
    
 intoffset
     The local variable slot number used by this variable. Not used (by the codegen layer) if !isSimple().
 Scopescope
    

Constructor Summary
public  Variable()
    
public  Variable(String name)
    
public  Variable(String name, Type type)
    

Method Summary
public  voidallocateLocal(CodeAttr code)
     Allocate slots for a local variable (or parameter).
final public  booleandead()
    
public  voidfreeLocal(CodeAttr code)
    
final public  booleanhasMoreElements()
    
final public  booleanisAssigned()
     Returns true iff assigned to a local variable slot. Only relevant if isSimple ().
final public  booleanisParameter()
    
final public  booleanisSimple()
     Returns true for a "simple" variable. A "simple" Variable can be stack-allocated using standard local variable slots.
public  ObjectnextElement()
    
final public  VariablenextVar()
    
public  booleanreserveLocal(int varIndex, CodeAttr code)
     Assign a local variable to a given local variable slot.
Parameters:
  varIndex - the index of the local variables.
final public  voidsetParameter(boolean parameter)
    
final public  voidsetSimple(boolean simple)
    
 booleanshouldEmit()
    
public  StringtoString()
    

Field Detail
UNASSIGNED
final static int UNASSIGNED(Code)



next
Variable next(Code)



offset
int offset(Code)
The local variable slot number used by this variable. Not used (by the codegen layer) if !isSimple().



scope
Scope scope(Code)




Constructor Detail
Variable
public Variable()(Code)



Variable
public Variable(String name)(Code)



Variable
public Variable(String name, Type type)(Code)




Method Detail
allocateLocal
public void allocateLocal(CodeAttr code)(Code)
Allocate slots for a local variable (or parameter).



dead
final public boolean dead()(Code)



freeLocal
public void freeLocal(CodeAttr code)(Code)



hasMoreElements
final public boolean hasMoreElements()(Code)



isAssigned
final public boolean isAssigned()(Code)
Returns true iff assigned to a local variable slot. Only relevant if isSimple ().



isParameter
final public boolean isParameter()(Code)



isSimple
final public boolean isSimple()(Code)
Returns true for a "simple" variable. A "simple" Variable can be stack-allocated using standard local variable slots. It is allocated by the codegen package. A non-simple variable may need heap allocation, or more more complex access; it is basically ignored by the codegen package, and must be managed by higher layers.



nextElement
public Object nextElement()(Code)



nextVar
final public Variable nextVar()(Code)



reserveLocal
public boolean reserveLocal(int varIndex, CodeAttr code)(Code)
Assign a local variable to a given local variable slot.
Parameters:
  varIndex - the index of the local variables. true iff we succeeded (i.e. the slot was unused)



setParameter
final public void setParameter(boolean parameter)(Code)



setSimple
final public void setSimple(boolean simple)(Code)



shouldEmit
boolean shouldEmit()(Code)



toString
public String toString()(Code)



Fields inherited from gnu.bytecode.Location
protected String name(Code)(Java Doc)
int name_index(Code)(Java Doc)
int signature_index(Code)(Java Doc)
protected Type type(Code)(Java Doc)

Methods inherited from gnu.bytecode.Location
final public String getName()(Code)(Java Doc)
final public String getSignature()(Code)(Java Doc)
final public Type getType()(Code)(Java Doc)
final public void setName(String name)(Code)(Java Doc)
final public void setName(int name_index, ConstantPool constants)(Code)(Java Doc)
public void setSignature(int signature_index, ConstantPool constants)(Code)(Java Doc)
final public void setType(Type type)(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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