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Java Source Code / Java Documentation » 6.0 JDK Modules sun » tools » sun.tools.asm 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   sun.tools.asm.Assembler

Assembler
final public class Assembler implements Constants(Code)
This class is used to assemble the bytecode instructions for a method. WARNING: The contents of this source file are not part of any supported API. Code that depends on them does so at its own risk: they are subject to change or removal without notice.
author:
   Arthur van Hoff
version:
   1.41, 08/19/97


Field Summary
static  int[]JcovClassCountArray
    
static  StringJcovClassLine
    
static  StringJcovDataLine
    
static  StringJcovHeadingLine
    
static  StringJcovMagicLine
    
static  StringJcovSrcfileLine
    
static  StringJcovTimestampLine
    
final static  intNEEDED
    
final static  intNOTREACHED
    
final static  intREACHED
    
static  VectorSourceClassList
    
static  VectorTmpCovTable
    
static  int[]arrayModifiers
    
static  int[]arrayModifiersOpc
    
 Labelfirst
    
 Instructionlast
    
 intmaxdepth
    
 intmaxpc
    
 intmaxvar
    


Method Summary
public  voidGenJCov(Environment env)
    
public  voidGenVecJCov(Environment env, ClassDefinition c, long Time)
    
public  voidadd(Instruction inst)
    
public  voidadd(long where, int opc)
    
public  voidadd(long where, int opc, Object obj)
    
public  voidadd(long where, int opc, Object obj, boolean flagCondInverted)
    
public  voidadd(boolean flagNoCovered, long where, int opc, Object obj)
    
public  voidadd(long where, int opc, boolean flagNoCovered)
    
public  voidaddNativeToJcovTab(Environment env, ClassDefinition c)
    
 voidbalance(Label lbl, int depth)
    
public  voidcollect(Environment env, MemberDefinition field, ConstantPool tab)
    
 booleaneliminate()
    
public  booleanempty()
    
 voidflowFields(Environment env, Label lbl, MemberDefinition locals)
     Figure out when registers contain a legal value.
public  voidlisting(PrintStream out)
    
 voidoptimize(Environment env, Label lbl)
    
public  voidoptimize(Environment env)
    
public  voidwrite(Environment env, DataOutputStream out, MemberDefinition field, ConstantPool tab)
    
public  voidwriteCoverageTable(Environment env, ClassDefinition c, DataOutputStream out, ConstantPool tab, long whereField)
    
 voidwriteExceptions(Environment env, DataOutputStream out, ConstantPool tab, Instruction first, Instruction last)
    
public  voidwriteLineNumberTable(Environment env, DataOutputStream out, ConstantPool tab)
    
public  voidwriteLocalVariableTable(Environment env, MemberDefinition field, DataOutputStream out, ConstantPool tab)
     Write the local variable table.

Field Detail
JcovClassCountArray
static int[] JcovClassCountArray(Code)



JcovClassLine
static String JcovClassLine(Code)



JcovDataLine
static String JcovDataLine(Code)



JcovHeadingLine
static String JcovHeadingLine(Code)



JcovMagicLine
static String JcovMagicLine(Code)



JcovSrcfileLine
static String JcovSrcfileLine(Code)



JcovTimestampLine
static String JcovTimestampLine(Code)



NEEDED
final static int NEEDED(Code)



NOTREACHED
final static int NOTREACHED(Code)



REACHED
final static int REACHED(Code)



SourceClassList
static Vector SourceClassList(Code)



TmpCovTable
static Vector TmpCovTable(Code)



arrayModifiers
static int[] arrayModifiers(Code)



arrayModifiersOpc
static int[] arrayModifiersOpc(Code)



first
Label first(Code)



last
Instruction last(Code)



maxdepth
int maxdepth(Code)



maxpc
int maxpc(Code)



maxvar
int maxvar(Code)





Method Detail
GenJCov
public void GenJCov(Environment env)(Code)



GenVecJCov
public void GenVecJCov(Environment env, ClassDefinition c, long Time)(Code)



add
public void add(Instruction inst)(Code)
Add an instruction



add
public void add(long where, int opc)(Code)



add
public void add(long where, int opc, Object obj)(Code)



add
public void add(long where, int opc, Object obj, boolean flagCondInverted)(Code)



add
public void add(boolean flagNoCovered, long where, int opc, Object obj)(Code)



add
public void add(long where, int opc, boolean flagNoCovered)(Code)



addNativeToJcovTab
public void addNativeToJcovTab(Environment env, ClassDefinition c)(Code)



balance
void balance(Label lbl, int depth)(Code)
Determine stack size, count local variables



collect
public void collect(Environment env, MemberDefinition field, ConstantPool tab)(Code)
Collect all constants into the constant table



eliminate
boolean eliminate()(Code)
Eliminate instructions that are not reached



empty
public boolean empty()(Code)
Return true if empty



flowFields
void flowFields(Environment env, Label lbl, MemberDefinition locals)(Code)
Figure out when registers contain a legal value. This is done using a simple data flow algorithm. This information is later used to generate the local variable table.



listing
public void listing(PrintStream out)(Code)
Print the byte codes



optimize
void optimize(Environment env, Label lbl)(Code)
Optimize instructions and mark those that can be reached



optimize
public void optimize(Environment env)(Code)
Optimize the byte codes



write
public void write(Environment env, DataOutputStream out, MemberDefinition field, ConstantPool tab) throws IOException(Code)
Generate code



writeCoverageTable
public void writeCoverageTable(Environment env, ClassDefinition c, DataOutputStream out, ConstantPool tab, long whereField) throws IOException(Code)
Write the coverage table



writeExceptions
void writeExceptions(Environment env, DataOutputStream out, ConstantPool tab, Instruction first, Instruction last) throws IOException(Code)
Write the exceptions table



writeLineNumberTable
public void writeLineNumberTable(Environment env, DataOutputStream out, ConstantPool tab) throws IOException(Code)
Write the linenumber table



writeLocalVariableTable
public void writeLocalVariableTable(Environment env, MemberDefinition field, DataOutputStream out, ConstantPool tab) throws IOException(Code)
Write the local variable table. The necessary constants have already been added to the constant table by the collect() method. The flowFields method is used to determine which variables are alive at each pc.



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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