Package org.adoptopenjdk.jitwatch.loader

Class BytecodeLoader

java.lang.Object

org.adoptopenjdk.jitwatch.loader.BytecodeLoader

public final class BytecodeLoader
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static enum	BytecodeLoader.BytecodeSection

Field Summary

Fields

Modifier and Type	Field	Description
private static final com.chrisnewland.freelogj.Logger	logger
private static final Pattern	PATTERN_BYTECODE_INSTRUCTION
private static final Map<String,BytecodeLoader.BytecodeSection>	sectionLabelMap

Constructor Summary

Constructors

Modifier	Constructor	Description
private	BytecodeLoader()

Method Summary

Modifier and Type	Method	Description
static void	buildClassGenerics(String line, ClassBC classBytecode)
static MetaClass	buildMetaClassFromClass(String fqClassName)
private static BytecodeLoader.BytecodeSection	changeSection(BytecodeLoader.BytecodeSection nextSection)
private static boolean	couldBeMemberSignature(String line)
static ClassBC	fetchBytecodeForClass(List<String> classLocations, String fqClassName, boolean cacheBytecode)
static ClassBC	fetchBytecodeForClass(List<String> classLocations, String fqClassName, Path javapPath, boolean cacheBytecode)
private static String	getBytecodeStringViaProcess(List<String> classLocations, String fqClassName, Path javapPath)
private static BytecodeLoader.BytecodeSection	getNextSection(BytecodeLoader.BytecodeSection currentSection, String line)
private static String	getSourceFile(String line)
private static int	getVersionPart(String line)
private static boolean	isLocalVariableLine(String line)
private static boolean	isRunTimeVisibleAnnotation(String line)
private static boolean	isStackMapTable(String line)
static ClassBC	parse(String fqClassName, String[] bytecodeLines, boolean cacheBytecode)
private static ClassBC	parseByteCodeFromString(String fqClassName, String byteCodeString, boolean cacheBytecode)
static List<BytecodeInstruction>	parseInstructions(String bytecode)
private static BytecodeLoader.BytecodeSection	performCODE(String fqClassName, ClassBC classBytecode, StringBuilder builder, BytecodeLoader.BytecodeSection section, MemberSignatureParts msp, MemberBytecode memberBytecode, String line)
private static BytecodeLoader.BytecodeSection	performConstantPool(String fqClassName, ClassBC classBytecode, StringBuilder builder, BytecodeLoader.BytecodeSection section, MemberSignatureParts msp, MemberBytecode memberBytecode, String line)
private static BytecodeLoader.BytecodeSection	performEXCEPTIONTABLE(String fqClassName, ClassBC classBytecode, StringBuilder builder, BytecodeLoader.BytecodeSection section, MemberSignatureParts msp, MemberBytecode memberBytecode, String line)
private static BytecodeLoader.BytecodeSection	performLINETABLE(String fqClassName, ClassBC classBytecode, StringBuilder builder, BytecodeLoader.BytecodeSection section, MemberSignatureParts msp, MemberBytecode memberBytecode, String line)
private static void	processParameters(String paramString, BytecodeInstruction instruction)
private static void	sectionFinished(String fqClassName, BytecodeLoader.BytecodeSection lastSection, MemberSignatureParts msp, StringBuilder builder, MemberBytecode memberBytecode, ClassBC classBytecode)
private static void	storeExceptionTable(String fqClassName, MemberBytecode memberBytecode, String exceptionLines, MemberSignatureParts msp)
private static void	storeLineNumberTable(String fqClassName, MemberBytecode memberBytecode, String tableLines, MemberSignatureParts msp)

Methods inherited from class java.lang.Object

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

Field Details

logger

private static final com.chrisnewland.freelogj.Logger logger

PATTERN_BYTECODE_INSTRUCTION

private static final Pattern PATTERN_BYTECODE_INSTRUCTION

sectionLabelMap

private static final Map<String,BytecodeLoader.BytecodeSection> sectionLabelMap

Constructor Details

BytecodeLoader

private BytecodeLoader()

Method Details

buildMetaClassFromClass

public static MetaClass buildMetaClassFromClass(String fqClassName)

fetchBytecodeForClass

public static ClassBC fetchBytecodeForClass(List<String> classLocations,
 String fqClassName,
 boolean cacheBytecode)

fetchBytecodeForClass

public static ClassBC fetchBytecodeForClass(List<String> classLocations,
 String fqClassName,
 Path javapPath,
 boolean cacheBytecode)

getBytecodeStringViaProcess

private static String getBytecodeStringViaProcess(List<String> classLocations,
 String fqClassName,
 Path javapPath)
                                           throws IOException

Throws:

IOException

parseByteCodeFromString

private static ClassBC parseByteCodeFromString(String fqClassName,
 String byteCodeString,
 boolean cacheBytecode)

parse

public static ClassBC parse(String fqClassName,
 String[] bytecodeLines,
 boolean cacheBytecode)

buildClassGenerics

public static void buildClassGenerics(String line,
 ClassBC classBytecode)

performLINETABLE

private static BytecodeLoader.BytecodeSection performLINETABLE(String fqClassName,
 ClassBC classBytecode,
 StringBuilder builder,
 BytecodeLoader.BytecodeSection section,
 MemberSignatureParts msp,
 MemberBytecode memberBytecode,
 String line)

performEXCEPTIONTABLE

private static BytecodeLoader.BytecodeSection performEXCEPTIONTABLE(String fqClassName,
 ClassBC classBytecode,
 StringBuilder builder,
 BytecodeLoader.BytecodeSection section,
 MemberSignatureParts msp,
 MemberBytecode memberBytecode,
 String line)

performConstantPool

private static BytecodeLoader.BytecodeSection performConstantPool(String fqClassName,
 ClassBC classBytecode,
 StringBuilder builder,
 BytecodeLoader.BytecodeSection section,
 MemberSignatureParts msp,
 MemberBytecode memberBytecode,
 String line)

performCODE

private static BytecodeLoader.BytecodeSection performCODE(String fqClassName,
 ClassBC classBytecode,
 StringBuilder builder,
 BytecodeLoader.BytecodeSection section,
 MemberSignatureParts msp,
 MemberBytecode memberBytecode,
 String line)

isRunTimeVisibleAnnotation

private static boolean isRunTimeVisibleAnnotation(String line)

isLocalVariableLine

private static boolean isLocalVariableLine(String line)

isStackMapTable

private static boolean isStackMapTable(String line)

couldBeMemberSignature

private static boolean couldBeMemberSignature(String line)

sectionFinished

private static void sectionFinished(String fqClassName,
 BytecodeLoader.BytecodeSection lastSection,
 MemberSignatureParts msp,
 StringBuilder builder,
 MemberBytecode memberBytecode,
 ClassBC classBytecode)

changeSection

private static BytecodeLoader.BytecodeSection changeSection(BytecodeLoader.BytecodeSection nextSection)

getNextSection

private static BytecodeLoader.BytecodeSection getNextSection(BytecodeLoader.BytecodeSection currentSection,
 String line)

getVersionPart

private static int getVersionPart(String line)

getSourceFile

private static String getSourceFile(String line)

parseInstructions

public static List<BytecodeInstruction> parseInstructions(String bytecode)

storeLineNumberTable

private static void storeLineNumberTable(String fqClassName,
 MemberBytecode memberBytecode,
 String tableLines,
 MemberSignatureParts msp)

storeExceptionTable

private static void storeExceptionTable(String fqClassName,
 MemberBytecode memberBytecode,
 String exceptionLines,
 MemberSignatureParts msp)

processParameters

private static void processParameters(String paramString,
 BytecodeInstruction instruction)