Package org.glassfish.pfl.dynamic.codegen.impl

Class ASMUtil

java.lang.Object

org.glassfish.pfl.dynamic.codegen.impl.ASMUtil

public class ASMUtil
extends Object

Simple class containing a few ASM-related utilities and dynamic attributes needs for the byte code generator.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	ASMUtil.FixStackSizeClassVisitor
private static class	ASMUtil.FixStackSizeMethodVisitor
static class	ASMUtil.LineNumberTable
static enum	ASMUtil.RequiredEmitterType
static class	ASMUtil.VariablesInMethod

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static Attribute<Integer>	ctr
(package private) static Attribute<EmitterFactory.Emitter>	emitter
(package private) static Attribute<EmitterFactory.Emitter>	getEmitter
(package private) static Attribute<BlockStatement>	lastBlock
(package private) static Attribute<Statement>	lastStatement
(package private) static Attribute<ASMUtil.LineNumberTable>	lineNumberTable
private static NullaryFunction<MyLabel>	makeLabel
(package private) static Attribute<Node>	next
(package private) static Attribute<ASMUtil.RequiredEmitterType>	requiredEmitterType
(package private) static Attribute<Variable>	returnAddress
(package private) static Attribute<MyLabel>	returnLabel
(package private) static Attribute<Variable>	returnVariable
(package private) static Attribute<EmitterFactory.Emitter>	setEmitter
(package private) static Attribute<Integer>	stackFrameSlot
(package private) static Attribute<MyLabel>	statementEndLabel
(package private) static Attribute<MyLabel>	statementStartLabel
private static NullaryFunction<ASMUtil.LineNumberTable>	tableMaker
(package private) static Attribute<MyLabel>	throwEndLabel
(package private) static Attribute<Variable>	uncaughtException
(package private) static Attribute<MyLabel>	uncaughtExceptionHandler
(package private) static Attribute<ASMUtil.VariablesInMethod>	variablesInMethod
private static NullaryFunction<ASMUtil.VariablesInMethod>	vmMaker

Constructor Summary

Constructors

Constructor	Description
ASMUtil()

Method Summary

Modifier and Type	Method	Description
static String	bcName(Type type)
private static void	displayNode(PrintStream ps, String msg, Node node)
private static byte[]	fixStackSize(byte[] code)
static byte[]	generate(ClassLoader cl, ClassGeneratorImpl cg, ImportList imports, Properties options, PrintStream debugOutput)	Given a completed ClassGeneratorImpl, use ASM to construct the byte array representing the compiled class.
static void	generateSourceCode(PrintStream ps, ClassGeneratorImpl cg, ImportList imports, Properties options)
static void	generateSourceCode(String sourceGenDir, ClassGeneratorImpl cg, ImportList imports, Properties options)
static File	getFile(String genDir, String className, String suffix)
private static void	verify(PrintStream ps, byte[] classData)

Methods inherited from class java.lang.Object

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

Field Details

makeLabel

private static NullaryFunction<MyLabel> makeLabel

returnLabel

static Attribute<MyLabel> returnLabel

statementStartLabel

static Attribute<MyLabel> statementStartLabel

statementEndLabel

static Attribute<MyLabel> statementEndLabel

throwEndLabel

static Attribute<MyLabel> throwEndLabel

next

static Attribute<Node> next

returnVariable

static Attribute<Variable> returnVariable

stackFrameSlot

static Attribute<Integer> stackFrameSlot

getEmitter

static Attribute<EmitterFactory.Emitter> getEmitter

setEmitter

static Attribute<EmitterFactory.Emitter> setEmitter

emitter

static Attribute<EmitterFactory.Emitter> emitter

requiredEmitterType

static Attribute<ASMUtil.RequiredEmitterType> requiredEmitterType

lastStatement

static Attribute<Statement> lastStatement

uncaughtException

static Attribute<Variable> uncaughtException

returnAddress

static Attribute<Variable> returnAddress

lastBlock

static Attribute<BlockStatement> lastBlock

uncaughtExceptionHandler

static Attribute<MyLabel> uncaughtExceptionHandler

ctr

static Attribute<Integer> ctr

tableMaker

private static NullaryFunction<ASMUtil.LineNumberTable> tableMaker

lineNumberTable

static Attribute<ASMUtil.LineNumberTable> lineNumberTable

vmMaker

private static NullaryFunction<ASMUtil.VariablesInMethod> vmMaker

variablesInMethod

static Attribute<ASMUtil.VariablesInMethod> variablesInMethod

Constructor Details

ASMUtil

public ASMUtil()

Method Details

bcName

public static String bcName(Type type)

displayNode

private static void displayNode(PrintStream ps,
 String msg,
 Node node)

generateSourceCode

public static void generateSourceCode(PrintStream ps,
 ClassGeneratorImpl cg,
 ImportList imports,
 Properties options)
                               throws IOException

Throws:

IOException

getFile

public static File getFile(String genDir,
 String className,
 String suffix)

generateSourceCode

public static void generateSourceCode(String sourceGenDir,
 ClassGeneratorImpl cg,
 ImportList imports,
 Properties options)
                               throws IOException

Throws:

IOException

fixStackSize

private static byte[] fixStackSize(byte[] code)

generate

public static byte[] generate(ClassLoader cl,
 ClassGeneratorImpl cg,
 ImportList imports,
 Properties options,
 PrintStream debugOutput)

Given a completed ClassGeneratorImpl, use ASM to construct the byte array representing the compiled class.

verify

private static void verify(PrintStream ps,
 byte[] classData)