Package com.offbynull.coroutines.instrumenter.asm

Class SimpleClassWriter

java.lang.Object

org.objectweb.asm.ClassVisitor

org.objectweb.asm.ClassWriter

com.offbynull.coroutines.instrumenter.asm.SimpleClassWriter

public final class SimpleClassWriter
extends org.objectweb.asm.ClassWriter

A ClassWriter that overrides getCommonSuperClass(java.lang.String, java.lang.String) such that it uses ClassInformationRepository to derive the common super rather than querying loaded up classes.

Field Summary

Fields

Modifier and Type	Field	Description
private final ClassInformationRepository	infoRepo

Fields inherited from class org.objectweb.asm.ClassWriter

COMPUTE_FRAMES, COMPUTE_MAXS

Fields inherited from class org.objectweb.asm.ClassVisitor

api, cv

Constructor Summary

Constructors

Constructor	Description
SimpleClassWriter(int flags, ClassInformationRepository infoRepo)	Constructs a SimpleClassWriter object.
SimpleClassWriter(org.objectweb.asm.ClassReader classReader, int flags, ClassInformationRepository infoRepo)	Constructs a SimpleClassWriter object.

Method Summary

Modifier and Type	Method	Description
private LinkedHashSet<String>	flattenHierarchy(String type)
protected String	getCommonSuperClass(String type1, String type2)	Derives common super class from the super name mapping passed in to the constructor.

Methods inherited from class org.objectweb.asm.ClassWriter

getClassLoader, hasFlags, newClass, newConst, newConstantDynamic, newField, newHandle, newHandle, newInvokeDynamic, newMethod, newMethodType, newModule, newNameType, newPackage, newUTF8, setFlags, toByteArray, visit, visitAnnotation, visitAttribute, visitEnd, visitField, visitInnerClass, visitMethod, visitModule, visitNestHost, visitNestMember, visitOuterClass, visitPermittedSubclass, visitRecordComponent, visitSource, visitTypeAnnotation

Methods inherited from class org.objectweb.asm.ClassVisitor

getDelegate

Methods inherited from class java.lang.Object

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

Field Details

infoRepo

private final ClassInformationRepository infoRepo

Constructor Details

SimpleClassWriter

public SimpleClassWriter(int flags,
 ClassInformationRepository infoRepo)

Constructs a SimpleClassWriter object. See ClassWriter(int).

Parameters:

flags - option flags that can be used to modify the default behavior of this class. See ClassWriter.COMPUTE_MAXS, ClassWriter.COMPUTE_FRAMES.

infoRepo - class hierarchy mappings for deriving stack map frames

Throws:

NullPointerException - if any argument is null

SimpleClassWriter

public SimpleClassWriter(org.objectweb.asm.ClassReader classReader,
 int flags,
 ClassInformationRepository infoRepo)

Constructs a SimpleClassWriter object. See ClassWriter(org.objectweb.asm.ClassReader, int).

Parameters:

classReader - the ClassReader used to read the original class. It will be used to copy the entire constant pool from the original class and also to copy other fragments of original bytecode where applicable.

flags - option flags that can be used to modify the default behavior of this class. See ClassWriter.COMPUTE_MAXS, ClassWriter.COMPUTE_FRAMES.

infoRepo - class hierarchy mappings for deriving stack map frames

Throws:

NullPointerException - if any argument is null

Method Details

getCommonSuperClass

protected String getCommonSuperClass(String type1,
 String type2)

Derives common super class from the super name mapping passed in to the constructor.

Overrides:

getCommonSuperClass in class org.objectweb.asm.ClassWriter

Parameters:

type1 - the internal name of a class.

type2 - the internal name of another class.

Returns:

the internal name of the common super class of the two given classes

Throws:

NullPointerException - if any argument is null

flattenHierarchy

private LinkedHashSet<String> flattenHierarchy(String type)