This page hosts a formal specification of .class file format using Kaitai Struct. This specification can be automatically translated into a variety of programming languages to get a parsing library.
import kaitai_struct_nim_runtime
import options
type
JavaClass* = ref object of KaitaiStruct
`magic`*: seq[byte]
`versionMinor`*: uint16
`versionMajor`*: uint16
`constantPoolCount`*: uint16
`constantPool`*: seq[JavaClass_ConstantPoolEntry]
`accessFlags`*: uint16
`thisClass`*: uint16
`superClass`*: uint16
`interfacesCount`*: uint16
`interfaces`*: seq[uint16]
`fieldsCount`*: uint16
`fields`*: seq[JavaClass_FieldInfo]
`methodsCount`*: uint16
`methods`*: seq[JavaClass_MethodInfo]
`attributesCount`*: uint16
`attributes`*: seq[JavaClass_AttributeInfo]
`parent`*: KaitaiStruct
JavaClass_FloatCpInfo* = ref object of KaitaiStruct
`value`*: float32
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_AttributeInfo* = ref object of KaitaiStruct
`nameIndex`*: uint16
`attributeLength`*: uint32
`info`*: KaitaiStruct
`parent`*: KaitaiStruct
`rawInfo`*: seq[byte]
`nameAsStrInst`*: string
JavaClass_AttributeInfo_AttrBodyCode* = ref object of KaitaiStruct
`maxStack`*: uint16
`maxLocals`*: uint16
`codeLength`*: uint32
`code`*: seq[byte]
`exceptionTableLength`*: uint16
`exceptionTable`*: seq[JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry]
`attributesCount`*: uint16
`attributes`*: seq[JavaClass_AttributeInfo]
`parent`*: JavaClass_AttributeInfo
JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry* = ref object of KaitaiStruct
`startPc`*: uint16
`endPc`*: uint16
`handlerPc`*: uint16
`catchType`*: uint16
`parent`*: JavaClass_AttributeInfo_AttrBodyCode
`catchExceptionInst`*: JavaClass_ConstantPoolEntry
JavaClass_AttributeInfo_AttrBodyExceptions* = ref object of KaitaiStruct
`numberOfExceptions`*: uint16
`exceptions`*: seq[JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry]
`parent`*: JavaClass_AttributeInfo
JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry* = ref object of KaitaiStruct
`index`*: uint16
`parent`*: JavaClass_AttributeInfo_AttrBodyExceptions
`asInfoInst`*: JavaClass_ClassCpInfo
`nameAsStrInst`*: string
JavaClass_AttributeInfo_AttrBodySourceFile* = ref object of KaitaiStruct
`sourcefileIndex`*: uint16
`parent`*: JavaClass_AttributeInfo
`sourcefileAsStrInst`*: string
JavaClass_AttributeInfo_AttrBodyLineNumberTable* = ref object of KaitaiStruct
`lineNumberTableLength`*: uint16
`lineNumberTable`*: seq[JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry]
`parent`*: JavaClass_AttributeInfo
JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry* = ref object of KaitaiStruct
`startPc`*: uint16
`lineNumber`*: uint16
`parent`*: JavaClass_AttributeInfo_AttrBodyLineNumberTable
JavaClass_MethodRefCpInfo* = ref object of KaitaiStruct
`classIndex`*: uint16
`nameAndTypeIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
`classAsInfoInst`*: JavaClass_ClassCpInfo
`nameAndTypeAsInfoInst`*: JavaClass_NameAndTypeCpInfo
JavaClass_FieldInfo* = ref object of KaitaiStruct
`accessFlags`*: uint16
`nameIndex`*: uint16
`descriptorIndex`*: uint16
`attributesCount`*: uint16
`attributes`*: seq[JavaClass_AttributeInfo]
`parent`*: JavaClass
`nameAsStrInst`*: string
JavaClass_DoubleCpInfo* = ref object of KaitaiStruct
`value`*: float64
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_LongCpInfo* = ref object of KaitaiStruct
`value`*: uint64
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_InvokeDynamicCpInfo* = ref object of KaitaiStruct
`bootstrapMethodAttrIndex`*: uint16
`nameAndTypeIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_MethodHandleCpInfo* = ref object of KaitaiStruct
`referenceKind`*: JavaClass_MethodHandleCpInfo_ReferenceKindEnum
`referenceIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_MethodHandleCpInfo_ReferenceKindEnum* = enum
get_field = 1
get_static = 2
put_field = 3
put_static = 4
invoke_virtual = 5
invoke_static = 6
invoke_special = 7
new_invoke_special = 8
invoke_interface = 9
JavaClass_NameAndTypeCpInfo* = ref object of KaitaiStruct
`nameIndex`*: uint16
`descriptorIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
`nameAsInfoInst`*: JavaClass_Utf8CpInfo
`nameAsStrInst`*: string
`descriptorAsInfoInst`*: JavaClass_Utf8CpInfo
`descriptorAsStrInst`*: string
JavaClass_Utf8CpInfo* = ref object of KaitaiStruct
`strLen`*: uint16
`value`*: string
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_StringCpInfo* = ref object of KaitaiStruct
`stringIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_MethodTypeCpInfo* = ref object of KaitaiStruct
`descriptorIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_InterfaceMethodRefCpInfo* = ref object of KaitaiStruct
`classIndex`*: uint16
`nameAndTypeIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
`classAsInfoInst`*: JavaClass_ClassCpInfo
`nameAndTypeAsInfoInst`*: JavaClass_NameAndTypeCpInfo
JavaClass_ClassCpInfo* = ref object of KaitaiStruct
`nameIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
`nameAsInfoInst`*: JavaClass_Utf8CpInfo
`nameAsStrInst`*: string
JavaClass_ConstantPoolEntry* = ref object of KaitaiStruct
`tag`*: JavaClass_ConstantPoolEntry_TagEnum
`cpInfo`*: KaitaiStruct
`isPrevTwoEntries`*: bool
`parent`*: JavaClass
`isTwoEntriesInst`*: bool
JavaClass_ConstantPoolEntry_TagEnum* = enum
utf8 = 1
integer = 3
float = 4
long = 5
double = 6
class_type = 7
string = 8
field_ref = 9
method_ref = 10
interface_method_ref = 11
name_and_type = 12
method_handle = 15
method_type = 16
invoke_dynamic = 18
JavaClass_MethodInfo* = ref object of KaitaiStruct
`accessFlags`*: uint16
`nameIndex`*: uint16
`descriptorIndex`*: uint16
`attributesCount`*: uint16
`attributes`*: seq[JavaClass_AttributeInfo]
`parent`*: JavaClass
`nameAsStrInst`*: string
JavaClass_IntegerCpInfo* = ref object of KaitaiStruct
`value`*: uint32
`parent`*: JavaClass_ConstantPoolEntry
JavaClass_FieldRefCpInfo* = ref object of KaitaiStruct
`classIndex`*: uint16
`nameAndTypeIndex`*: uint16
`parent`*: JavaClass_ConstantPoolEntry
`classAsInfoInst`*: JavaClass_ClassCpInfo
`nameAndTypeAsInfoInst`*: JavaClass_NameAndTypeCpInfo
proc read*(_: typedesc[JavaClass], io: KaitaiStream, root: KaitaiStruct, parent: KaitaiStruct): JavaClass
proc read*(_: typedesc[JavaClass_FloatCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_FloatCpInfo
proc read*(_: typedesc[JavaClass_AttributeInfo], io: KaitaiStream, root: KaitaiStruct, parent: KaitaiStruct): JavaClass_AttributeInfo
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyCode], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodyCode
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo_AttrBodyCode): JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyExceptions], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodyExceptions
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo_AttrBodyExceptions): JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodySourceFile], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodySourceFile
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyLineNumberTable], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodyLineNumberTable
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo_AttrBodyLineNumberTable): JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry
proc read*(_: typedesc[JavaClass_MethodRefCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_MethodRefCpInfo
proc read*(_: typedesc[JavaClass_FieldInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass): JavaClass_FieldInfo
proc read*(_: typedesc[JavaClass_DoubleCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_DoubleCpInfo
proc read*(_: typedesc[JavaClass_LongCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_LongCpInfo
proc read*(_: typedesc[JavaClass_InvokeDynamicCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_InvokeDynamicCpInfo
proc read*(_: typedesc[JavaClass_MethodHandleCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_MethodHandleCpInfo
proc read*(_: typedesc[JavaClass_NameAndTypeCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_NameAndTypeCpInfo
proc read*(_: typedesc[JavaClass_Utf8CpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_Utf8CpInfo
proc read*(_: typedesc[JavaClass_StringCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_StringCpInfo
proc read*(_: typedesc[JavaClass_MethodTypeCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_MethodTypeCpInfo
proc read*(_: typedesc[JavaClass_InterfaceMethodRefCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_InterfaceMethodRefCpInfo
proc read*(_: typedesc[JavaClass_ClassCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_ClassCpInfo
proc read*(_: typedesc[JavaClass_ConstantPoolEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass, isPrevTwoEntries: any): JavaClass_ConstantPoolEntry
proc read*(_: typedesc[JavaClass_MethodInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass): JavaClass_MethodInfo
proc read*(_: typedesc[JavaClass_IntegerCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_IntegerCpInfo
proc read*(_: typedesc[JavaClass_FieldRefCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_FieldRefCpInfo
proc nameAsStr*(this: JavaClass_AttributeInfo): string
proc catchException*(this: JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry): JavaClass_ConstantPoolEntry
proc asInfo*(this: JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry): JavaClass_ClassCpInfo
proc nameAsStr*(this: JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry): string
proc sourcefileAsStr*(this: JavaClass_AttributeInfo_AttrBodySourceFile): string
proc classAsInfo*(this: JavaClass_MethodRefCpInfo): JavaClass_ClassCpInfo
proc nameAndTypeAsInfo*(this: JavaClass_MethodRefCpInfo): JavaClass_NameAndTypeCpInfo
proc nameAsStr*(this: JavaClass_FieldInfo): string
proc nameAsInfo*(this: JavaClass_NameAndTypeCpInfo): JavaClass_Utf8CpInfo
proc nameAsStr*(this: JavaClass_NameAndTypeCpInfo): string
proc descriptorAsInfo*(this: JavaClass_NameAndTypeCpInfo): JavaClass_Utf8CpInfo
proc descriptorAsStr*(this: JavaClass_NameAndTypeCpInfo): string
proc classAsInfo*(this: JavaClass_InterfaceMethodRefCpInfo): JavaClass_ClassCpInfo
proc nameAndTypeAsInfo*(this: JavaClass_InterfaceMethodRefCpInfo): JavaClass_NameAndTypeCpInfo
proc nameAsInfo*(this: JavaClass_ClassCpInfo): JavaClass_Utf8CpInfo
proc nameAsStr*(this: JavaClass_ClassCpInfo): string
proc isTwoEntries*(this: JavaClass_ConstantPoolEntry): bool
proc nameAsStr*(this: JavaClass_MethodInfo): string
proc classAsInfo*(this: JavaClass_FieldRefCpInfo): JavaClass_ClassCpInfo
proc nameAndTypeAsInfo*(this: JavaClass_FieldRefCpInfo): JavaClass_NameAndTypeCpInfo
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.1">Source</a>
]##
proc read*(_: typedesc[JavaClass], io: KaitaiStream, root: KaitaiStruct, parent: KaitaiStruct): JavaClass =
template this: untyped = result
this = new(JavaClass)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let magicExpr = this.io.readBytes(int(4))
this.magic = magicExpr
let versionMinorExpr = this.io.readU2be()
this.versionMinor = versionMinorExpr
let versionMajorExpr = this.io.readU2be()
this.versionMajor = versionMajorExpr
let constantPoolCountExpr = this.io.readU2be()
this.constantPoolCount = constantPoolCountExpr
for i in 0 ..< int((this.constantPoolCount - 1)):
let it = JavaClass_ConstantPoolEntry.read(this.io, this.root, this, (if i != 0: this.constantPool[(i - 1)].isTwoEntries else: false))
this.constantPool.add(it)
let accessFlagsExpr = this.io.readU2be()
this.accessFlags = accessFlagsExpr
let thisClassExpr = this.io.readU2be()
this.thisClass = thisClassExpr
let superClassExpr = this.io.readU2be()
this.superClass = superClassExpr
let interfacesCountExpr = this.io.readU2be()
this.interfacesCount = interfacesCountExpr
for i in 0 ..< int(this.interfacesCount):
let it = this.io.readU2be()
this.interfaces.add(it)
let fieldsCountExpr = this.io.readU2be()
this.fieldsCount = fieldsCountExpr
for i in 0 ..< int(this.fieldsCount):
let it = JavaClass_FieldInfo.read(this.io, this.root, this)
this.fields.add(it)
let methodsCountExpr = this.io.readU2be()
this.methodsCount = methodsCountExpr
for i in 0 ..< int(this.methodsCount):
let it = JavaClass_MethodInfo.read(this.io, this.root, this)
this.methods.add(it)
let attributesCountExpr = this.io.readU2be()
this.attributesCount = attributesCountExpr
for i in 0 ..< int(this.attributesCount):
let it = JavaClass_AttributeInfo.read(this.io, this.root, this)
this.attributes.add(it)
proc fromFile*(_: typedesc[JavaClass], filename: string): JavaClass =
JavaClass.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.5">Source</a>
]##
proc read*(_: typedesc[JavaClass_FloatCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_FloatCpInfo =
template this: untyped = result
this = new(JavaClass_FloatCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let valueExpr = this.io.readF4be()
this.value = valueExpr
proc fromFile*(_: typedesc[JavaClass_FloatCpInfo], filename: string): JavaClass_FloatCpInfo =
JavaClass_FloatCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7">Source</a>
]##
proc read*(_: typedesc[JavaClass_AttributeInfo], io: KaitaiStream, root: KaitaiStruct, parent: KaitaiStruct): JavaClass_AttributeInfo =
template this: untyped = result
this = new(JavaClass_AttributeInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let nameIndexExpr = this.io.readU2be()
this.nameIndex = nameIndexExpr
let attributeLengthExpr = this.io.readU4be()
this.attributeLength = attributeLengthExpr
block:
let on = this.nameAsStr
if on == "SourceFile":
let rawInfoExpr = this.io.readBytes(int(this.attributeLength))
this.rawInfo = rawInfoExpr
let rawInfoIo = newKaitaiStream(rawInfoExpr)
let infoExpr = JavaClass_AttributeInfo_AttrBodySourceFile.read(rawInfoIo, this.root, this)
this.info = infoExpr
elif on == "LineNumberTable":
let rawInfoExpr = this.io.readBytes(int(this.attributeLength))
this.rawInfo = rawInfoExpr
let rawInfoIo = newKaitaiStream(rawInfoExpr)
let infoExpr = JavaClass_AttributeInfo_AttrBodyLineNumberTable.read(rawInfoIo, this.root, this)
this.info = infoExpr
elif on == "Exceptions":
let rawInfoExpr = this.io.readBytes(int(this.attributeLength))
this.rawInfo = rawInfoExpr
let rawInfoIo = newKaitaiStream(rawInfoExpr)
let infoExpr = JavaClass_AttributeInfo_AttrBodyExceptions.read(rawInfoIo, this.root, this)
this.info = infoExpr
elif on == "Code":
let rawInfoExpr = this.io.readBytes(int(this.attributeLength))
this.rawInfo = rawInfoExpr
let rawInfoIo = newKaitaiStream(rawInfoExpr)
let infoExpr = JavaClass_AttributeInfo_AttrBodyCode.read(rawInfoIo, this.root, this)
this.info = infoExpr
else:
let infoExpr = this.io.readBytes(int(this.attributeLength))
this.info = infoExpr
proc nameAsStr(this: JavaClass_AttributeInfo): string =
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
let nameAsStrInstExpr = string((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.nameIndex - 1)].cpInfo)).value)
this.nameAsStrInst = nameAsStrInstExpr
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
proc fromFile*(_: typedesc[JavaClass_AttributeInfo], filename: string): JavaClass_AttributeInfo =
JavaClass_AttributeInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.3">Source</a>
]##
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyCode], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodyCode =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodyCode)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let maxStackExpr = this.io.readU2be()
this.maxStack = maxStackExpr
let maxLocalsExpr = this.io.readU2be()
this.maxLocals = maxLocalsExpr
let codeLengthExpr = this.io.readU4be()
this.codeLength = codeLengthExpr
let codeExpr = this.io.readBytes(int(this.codeLength))
this.code = codeExpr
let exceptionTableLengthExpr = this.io.readU2be()
this.exceptionTableLength = exceptionTableLengthExpr
for i in 0 ..< int(this.exceptionTableLength):
let it = JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry.read(this.io, this.root, this)
this.exceptionTable.add(it)
let attributesCountExpr = this.io.readU2be()
this.attributesCount = attributesCountExpr
for i in 0 ..< int(this.attributesCount):
let it = JavaClass_AttributeInfo.read(this.io, this.root, this)
this.attributes.add(it)
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodyCode], filename: string): JavaClass_AttributeInfo_AttrBodyCode =
JavaClass_AttributeInfo_AttrBodyCode.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.3">Source</a>
]##
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo_AttrBodyCode): JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
##[
Start of a code region where exception handler is being
active, index in code array (inclusive)
]##
let startPcExpr = this.io.readU2be()
this.startPc = startPcExpr
##[
End of a code region where exception handler is being
active, index in code array (exclusive)
]##
let endPcExpr = this.io.readU2be()
this.endPc = endPcExpr
##[
Start of exception handler code, index in code array
]##
let handlerPcExpr = this.io.readU2be()
this.handlerPc = handlerPcExpr
##[
Exception class that this handler catches, index in constant
pool, or 0 (catch all exceptions handler, used to implement
`finally`).
]##
let catchTypeExpr = this.io.readU2be()
this.catchType = catchTypeExpr
proc catchException(this: JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry): JavaClass_ConstantPoolEntry =
if this.catchExceptionInst != nil:
return this.catchExceptionInst
if this.catchType != 0:
let catchExceptionInstExpr = JavaClass_ConstantPoolEntry(JavaClass(this.root).constantPool[(this.catchType - 1)])
this.catchExceptionInst = catchExceptionInstExpr
if this.catchExceptionInst != nil:
return this.catchExceptionInst
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry], filename: string): JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry =
JavaClass_AttributeInfo_AttrBodyCode_ExceptionEntry.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.5">Source</a>
]##
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyExceptions], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodyExceptions =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodyExceptions)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let numberOfExceptionsExpr = this.io.readU2be()
this.numberOfExceptions = numberOfExceptionsExpr
for i in 0 ..< int(this.numberOfExceptions):
let it = JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry.read(this.io, this.root, this)
this.exceptions.add(it)
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodyExceptions], filename: string): JavaClass_AttributeInfo_AttrBodyExceptions =
JavaClass_AttributeInfo_AttrBodyExceptions.read(newKaitaiFileStream(filename), nil, nil)
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo_AttrBodyExceptions): JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let indexExpr = this.io.readU2be()
this.index = indexExpr
proc asInfo(this: JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry): JavaClass_ClassCpInfo =
if this.asInfoInst != nil:
return this.asInfoInst
let asInfoInstExpr = JavaClass_ClassCpInfo((JavaClass_ClassCpInfo(JavaClass(this.root).constantPool[(this.index - 1)].cpInfo)))
this.asInfoInst = asInfoInstExpr
if this.asInfoInst != nil:
return this.asInfoInst
proc nameAsStr(this: JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry): string =
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
let nameAsStrInstExpr = string(this.asInfo.nameAsStr)
this.nameAsStrInst = nameAsStrInstExpr
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry], filename: string): JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry =
JavaClass_AttributeInfo_AttrBodyExceptions_ExceptionTableEntry.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.10">Source</a>
]##
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodySourceFile], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodySourceFile =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodySourceFile)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let sourcefileIndexExpr = this.io.readU2be()
this.sourcefileIndex = sourcefileIndexExpr
proc sourcefileAsStr(this: JavaClass_AttributeInfo_AttrBodySourceFile): string =
if this.sourcefileAsStrInst.len != 0:
return this.sourcefileAsStrInst
let sourcefileAsStrInstExpr = string((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.sourcefileIndex - 1)].cpInfo)).value)
this.sourcefileAsStrInst = sourcefileAsStrInstExpr
if this.sourcefileAsStrInst.len != 0:
return this.sourcefileAsStrInst
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodySourceFile], filename: string): JavaClass_AttributeInfo_AttrBodySourceFile =
JavaClass_AttributeInfo_AttrBodySourceFile.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.12">Source</a>
]##
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyLineNumberTable], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo): JavaClass_AttributeInfo_AttrBodyLineNumberTable =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodyLineNumberTable)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let lineNumberTableLengthExpr = this.io.readU2be()
this.lineNumberTableLength = lineNumberTableLengthExpr
for i in 0 ..< int(this.lineNumberTableLength):
let it = JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry.read(this.io, this.root, this)
this.lineNumberTable.add(it)
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodyLineNumberTable], filename: string): JavaClass_AttributeInfo_AttrBodyLineNumberTable =
JavaClass_AttributeInfo_AttrBodyLineNumberTable.read(newKaitaiFileStream(filename), nil, nil)
proc read*(_: typedesc[JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_AttributeInfo_AttrBodyLineNumberTable): JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry =
template this: untyped = result
this = new(JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let startPcExpr = this.io.readU2be()
this.startPc = startPcExpr
let lineNumberExpr = this.io.readU2be()
this.lineNumber = lineNumberExpr
proc fromFile*(_: typedesc[JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry], filename: string): JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry =
JavaClass_AttributeInfo_AttrBodyLineNumberTable_LineNumberTableEntry.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.2">Source</a>
]##
proc read*(_: typedesc[JavaClass_MethodRefCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_MethodRefCpInfo =
template this: untyped = result
this = new(JavaClass_MethodRefCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let classIndexExpr = this.io.readU2be()
this.classIndex = classIndexExpr
let nameAndTypeIndexExpr = this.io.readU2be()
this.nameAndTypeIndex = nameAndTypeIndexExpr
proc classAsInfo(this: JavaClass_MethodRefCpInfo): JavaClass_ClassCpInfo =
if this.classAsInfoInst != nil:
return this.classAsInfoInst
let classAsInfoInstExpr = JavaClass_ClassCpInfo((JavaClass_ClassCpInfo(JavaClass(this.root).constantPool[(this.classIndex - 1)].cpInfo)))
this.classAsInfoInst = classAsInfoInstExpr
if this.classAsInfoInst != nil:
return this.classAsInfoInst
proc nameAndTypeAsInfo(this: JavaClass_MethodRefCpInfo): JavaClass_NameAndTypeCpInfo =
if this.nameAndTypeAsInfoInst != nil:
return this.nameAndTypeAsInfoInst
let nameAndTypeAsInfoInstExpr = JavaClass_NameAndTypeCpInfo((JavaClass_NameAndTypeCpInfo(JavaClass(this.root).constantPool[(this.nameAndTypeIndex - 1)].cpInfo)))
this.nameAndTypeAsInfoInst = nameAndTypeAsInfoInstExpr
if this.nameAndTypeAsInfoInst != nil:
return this.nameAndTypeAsInfoInst
proc fromFile*(_: typedesc[JavaClass_MethodRefCpInfo], filename: string): JavaClass_MethodRefCpInfo =
JavaClass_MethodRefCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.5">Source</a>
]##
proc read*(_: typedesc[JavaClass_FieldInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass): JavaClass_FieldInfo =
template this: untyped = result
this = new(JavaClass_FieldInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let accessFlagsExpr = this.io.readU2be()
this.accessFlags = accessFlagsExpr
let nameIndexExpr = this.io.readU2be()
this.nameIndex = nameIndexExpr
let descriptorIndexExpr = this.io.readU2be()
this.descriptorIndex = descriptorIndexExpr
let attributesCountExpr = this.io.readU2be()
this.attributesCount = attributesCountExpr
for i in 0 ..< int(this.attributesCount):
let it = JavaClass_AttributeInfo.read(this.io, this.root, this)
this.attributes.add(it)
proc nameAsStr(this: JavaClass_FieldInfo): string =
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
let nameAsStrInstExpr = string((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.nameIndex - 1)].cpInfo)).value)
this.nameAsStrInst = nameAsStrInstExpr
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
proc fromFile*(_: typedesc[JavaClass_FieldInfo], filename: string): JavaClass_FieldInfo =
JavaClass_FieldInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.6">Source</a>
]##
proc read*(_: typedesc[JavaClass_DoubleCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_DoubleCpInfo =
template this: untyped = result
this = new(JavaClass_DoubleCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let valueExpr = this.io.readF8be()
this.value = valueExpr
proc fromFile*(_: typedesc[JavaClass_DoubleCpInfo], filename: string): JavaClass_DoubleCpInfo =
JavaClass_DoubleCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.5">Source</a>
]##
proc read*(_: typedesc[JavaClass_LongCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_LongCpInfo =
template this: untyped = result
this = new(JavaClass_LongCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let valueExpr = this.io.readU8be()
this.value = valueExpr
proc fromFile*(_: typedesc[JavaClass_LongCpInfo], filename: string): JavaClass_LongCpInfo =
JavaClass_LongCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.10">Source</a>
]##
proc read*(_: typedesc[JavaClass_InvokeDynamicCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_InvokeDynamicCpInfo =
template this: untyped = result
this = new(JavaClass_InvokeDynamicCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let bootstrapMethodAttrIndexExpr = this.io.readU2be()
this.bootstrapMethodAttrIndex = bootstrapMethodAttrIndexExpr
let nameAndTypeIndexExpr = this.io.readU2be()
this.nameAndTypeIndex = nameAndTypeIndexExpr
proc fromFile*(_: typedesc[JavaClass_InvokeDynamicCpInfo], filename: string): JavaClass_InvokeDynamicCpInfo =
JavaClass_InvokeDynamicCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.8">Source</a>
]##
proc read*(_: typedesc[JavaClass_MethodHandleCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_MethodHandleCpInfo =
template this: untyped = result
this = new(JavaClass_MethodHandleCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let referenceKindExpr = JavaClass_MethodHandleCpInfo_ReferenceKindEnum(this.io.readU1())
this.referenceKind = referenceKindExpr
let referenceIndexExpr = this.io.readU2be()
this.referenceIndex = referenceIndexExpr
proc fromFile*(_: typedesc[JavaClass_MethodHandleCpInfo], filename: string): JavaClass_MethodHandleCpInfo =
JavaClass_MethodHandleCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.6">Source</a>
]##
proc read*(_: typedesc[JavaClass_NameAndTypeCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_NameAndTypeCpInfo =
template this: untyped = result
this = new(JavaClass_NameAndTypeCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let nameIndexExpr = this.io.readU2be()
this.nameIndex = nameIndexExpr
let descriptorIndexExpr = this.io.readU2be()
this.descriptorIndex = descriptorIndexExpr
proc nameAsInfo(this: JavaClass_NameAndTypeCpInfo): JavaClass_Utf8CpInfo =
if this.nameAsInfoInst != nil:
return this.nameAsInfoInst
let nameAsInfoInstExpr = JavaClass_Utf8CpInfo((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.nameIndex - 1)].cpInfo)))
this.nameAsInfoInst = nameAsInfoInstExpr
if this.nameAsInfoInst != nil:
return this.nameAsInfoInst
proc nameAsStr(this: JavaClass_NameAndTypeCpInfo): string =
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
let nameAsStrInstExpr = string(this.nameAsInfo.value)
this.nameAsStrInst = nameAsStrInstExpr
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
proc descriptorAsInfo(this: JavaClass_NameAndTypeCpInfo): JavaClass_Utf8CpInfo =
if this.descriptorAsInfoInst != nil:
return this.descriptorAsInfoInst
let descriptorAsInfoInstExpr = JavaClass_Utf8CpInfo((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.descriptorIndex - 1)].cpInfo)))
this.descriptorAsInfoInst = descriptorAsInfoInstExpr
if this.descriptorAsInfoInst != nil:
return this.descriptorAsInfoInst
proc descriptorAsStr(this: JavaClass_NameAndTypeCpInfo): string =
if this.descriptorAsStrInst.len != 0:
return this.descriptorAsStrInst
let descriptorAsStrInstExpr = string(this.descriptorAsInfo.value)
this.descriptorAsStrInst = descriptorAsStrInstExpr
if this.descriptorAsStrInst.len != 0:
return this.descriptorAsStrInst
proc fromFile*(_: typedesc[JavaClass_NameAndTypeCpInfo], filename: string): JavaClass_NameAndTypeCpInfo =
JavaClass_NameAndTypeCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.7">Source</a>
]##
proc read*(_: typedesc[JavaClass_Utf8CpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_Utf8CpInfo =
template this: untyped = result
this = new(JavaClass_Utf8CpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let strLenExpr = this.io.readU2be()
this.strLen = strLenExpr
let valueExpr = encode(this.io.readBytes(int(this.strLen)), "UTF-8")
this.value = valueExpr
proc fromFile*(_: typedesc[JavaClass_Utf8CpInfo], filename: string): JavaClass_Utf8CpInfo =
JavaClass_Utf8CpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.3">Source</a>
]##
proc read*(_: typedesc[JavaClass_StringCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_StringCpInfo =
template this: untyped = result
this = new(JavaClass_StringCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let stringIndexExpr = this.io.readU2be()
this.stringIndex = stringIndexExpr
proc fromFile*(_: typedesc[JavaClass_StringCpInfo], filename: string): JavaClass_StringCpInfo =
JavaClass_StringCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.9">Source</a>
]##
proc read*(_: typedesc[JavaClass_MethodTypeCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_MethodTypeCpInfo =
template this: untyped = result
this = new(JavaClass_MethodTypeCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let descriptorIndexExpr = this.io.readU2be()
this.descriptorIndex = descriptorIndexExpr
proc fromFile*(_: typedesc[JavaClass_MethodTypeCpInfo], filename: string): JavaClass_MethodTypeCpInfo =
JavaClass_MethodTypeCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.2">Source</a>
]##
proc read*(_: typedesc[JavaClass_InterfaceMethodRefCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_InterfaceMethodRefCpInfo =
template this: untyped = result
this = new(JavaClass_InterfaceMethodRefCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let classIndexExpr = this.io.readU2be()
this.classIndex = classIndexExpr
let nameAndTypeIndexExpr = this.io.readU2be()
this.nameAndTypeIndex = nameAndTypeIndexExpr
proc classAsInfo(this: JavaClass_InterfaceMethodRefCpInfo): JavaClass_ClassCpInfo =
if this.classAsInfoInst != nil:
return this.classAsInfoInst
let classAsInfoInstExpr = JavaClass_ClassCpInfo((JavaClass_ClassCpInfo(JavaClass(this.root).constantPool[(this.classIndex - 1)].cpInfo)))
this.classAsInfoInst = classAsInfoInstExpr
if this.classAsInfoInst != nil:
return this.classAsInfoInst
proc nameAndTypeAsInfo(this: JavaClass_InterfaceMethodRefCpInfo): JavaClass_NameAndTypeCpInfo =
if this.nameAndTypeAsInfoInst != nil:
return this.nameAndTypeAsInfoInst
let nameAndTypeAsInfoInstExpr = JavaClass_NameAndTypeCpInfo((JavaClass_NameAndTypeCpInfo(JavaClass(this.root).constantPool[(this.nameAndTypeIndex - 1)].cpInfo)))
this.nameAndTypeAsInfoInst = nameAndTypeAsInfoInstExpr
if this.nameAndTypeAsInfoInst != nil:
return this.nameAndTypeAsInfoInst
proc fromFile*(_: typedesc[JavaClass_InterfaceMethodRefCpInfo], filename: string): JavaClass_InterfaceMethodRefCpInfo =
JavaClass_InterfaceMethodRefCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.1">Source</a>
]##
proc read*(_: typedesc[JavaClass_ClassCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_ClassCpInfo =
template this: untyped = result
this = new(JavaClass_ClassCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let nameIndexExpr = this.io.readU2be()
this.nameIndex = nameIndexExpr
proc nameAsInfo(this: JavaClass_ClassCpInfo): JavaClass_Utf8CpInfo =
if this.nameAsInfoInst != nil:
return this.nameAsInfoInst
let nameAsInfoInstExpr = JavaClass_Utf8CpInfo((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.nameIndex - 1)].cpInfo)))
this.nameAsInfoInst = nameAsInfoInstExpr
if this.nameAsInfoInst != nil:
return this.nameAsInfoInst
proc nameAsStr(this: JavaClass_ClassCpInfo): string =
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
let nameAsStrInstExpr = string(this.nameAsInfo.value)
this.nameAsStrInst = nameAsStrInstExpr
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
proc fromFile*(_: typedesc[JavaClass_ClassCpInfo], filename: string): JavaClass_ClassCpInfo =
JavaClass_ClassCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4">Source</a>
]##
proc read*(_: typedesc[JavaClass_ConstantPoolEntry], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass, isPrevTwoEntries: any): JavaClass_ConstantPoolEntry =
template this: untyped = result
this = new(JavaClass_ConstantPoolEntry)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let isPrevTwoEntriesExpr = bool(isPrevTwoEntries)
this.isPrevTwoEntries = isPrevTwoEntriesExpr
if not(this.isPrevTwoEntries):
let tagExpr = JavaClass_ConstantPoolEntry_TagEnum(this.io.readU1())
this.tag = tagExpr
if not(this.isPrevTwoEntries):
block:
let on = this.tag
if on == java_class.interface_method_ref:
let cpInfoExpr = JavaClass_InterfaceMethodRefCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.class_type:
let cpInfoExpr = JavaClass_ClassCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.utf8:
let cpInfoExpr = JavaClass_Utf8CpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.method_type:
let cpInfoExpr = JavaClass_MethodTypeCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.integer:
let cpInfoExpr = JavaClass_IntegerCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.string:
let cpInfoExpr = JavaClass_StringCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.float:
let cpInfoExpr = JavaClass_FloatCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.long:
let cpInfoExpr = JavaClass_LongCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.method_ref:
let cpInfoExpr = JavaClass_MethodRefCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.double:
let cpInfoExpr = JavaClass_DoubleCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.invoke_dynamic:
let cpInfoExpr = JavaClass_InvokeDynamicCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.field_ref:
let cpInfoExpr = JavaClass_FieldRefCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.method_handle:
let cpInfoExpr = JavaClass_MethodHandleCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
elif on == java_class.name_and_type:
let cpInfoExpr = JavaClass_NameAndTypeCpInfo.read(this.io, this.root, this)
this.cpInfo = cpInfoExpr
proc isTwoEntries(this: JavaClass_ConstantPoolEntry): bool =
if this.isTwoEntriesInst != nil:
return this.isTwoEntriesInst
let isTwoEntriesInstExpr = bool( ((this.tag == java_class.long) or (this.tag == java_class.double)) )
this.isTwoEntriesInst = isTwoEntriesInstExpr
if this.isTwoEntriesInst != nil:
return this.isTwoEntriesInst
proc fromFile*(_: typedesc[JavaClass_ConstantPoolEntry], filename: string): JavaClass_ConstantPoolEntry =
JavaClass_ConstantPoolEntry.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.6">Source</a>
]##
proc read*(_: typedesc[JavaClass_MethodInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass): JavaClass_MethodInfo =
template this: untyped = result
this = new(JavaClass_MethodInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let accessFlagsExpr = this.io.readU2be()
this.accessFlags = accessFlagsExpr
let nameIndexExpr = this.io.readU2be()
this.nameIndex = nameIndexExpr
let descriptorIndexExpr = this.io.readU2be()
this.descriptorIndex = descriptorIndexExpr
let attributesCountExpr = this.io.readU2be()
this.attributesCount = attributesCountExpr
for i in 0 ..< int(this.attributesCount):
let it = JavaClass_AttributeInfo.read(this.io, this.root, this)
this.attributes.add(it)
proc nameAsStr(this: JavaClass_MethodInfo): string =
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
let nameAsStrInstExpr = string((JavaClass_Utf8CpInfo(JavaClass(this.root).constantPool[(this.nameIndex - 1)].cpInfo)).value)
this.nameAsStrInst = nameAsStrInstExpr
if this.nameAsStrInst.len != 0:
return this.nameAsStrInst
proc fromFile*(_: typedesc[JavaClass_MethodInfo], filename: string): JavaClass_MethodInfo =
JavaClass_MethodInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.4">Source</a>
]##
proc read*(_: typedesc[JavaClass_IntegerCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_IntegerCpInfo =
template this: untyped = result
this = new(JavaClass_IntegerCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let valueExpr = this.io.readU4be()
this.value = valueExpr
proc fromFile*(_: typedesc[JavaClass_IntegerCpInfo], filename: string): JavaClass_IntegerCpInfo =
JavaClass_IntegerCpInfo.read(newKaitaiFileStream(filename), nil, nil)
##[
@see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.2">Source</a>
]##
proc read*(_: typedesc[JavaClass_FieldRefCpInfo], io: KaitaiStream, root: KaitaiStruct, parent: JavaClass_ConstantPoolEntry): JavaClass_FieldRefCpInfo =
template this: untyped = result
this = new(JavaClass_FieldRefCpInfo)
let root = if root == nil: cast[JavaClass](this) else: cast[JavaClass](root)
this.io = io
this.root = root
this.parent = parent
let classIndexExpr = this.io.readU2be()
this.classIndex = classIndexExpr
let nameAndTypeIndexExpr = this.io.readU2be()
this.nameAndTypeIndex = nameAndTypeIndexExpr
proc classAsInfo(this: JavaClass_FieldRefCpInfo): JavaClass_ClassCpInfo =
if this.classAsInfoInst != nil:
return this.classAsInfoInst
let classAsInfoInstExpr = JavaClass_ClassCpInfo((JavaClass_ClassCpInfo(JavaClass(this.root).constantPool[(this.classIndex - 1)].cpInfo)))
this.classAsInfoInst = classAsInfoInstExpr
if this.classAsInfoInst != nil:
return this.classAsInfoInst
proc nameAndTypeAsInfo(this: JavaClass_FieldRefCpInfo): JavaClass_NameAndTypeCpInfo =
if this.nameAndTypeAsInfoInst != nil:
return this.nameAndTypeAsInfoInst
let nameAndTypeAsInfoInstExpr = JavaClass_NameAndTypeCpInfo((JavaClass_NameAndTypeCpInfo(JavaClass(this.root).constantPool[(this.nameAndTypeIndex - 1)].cpInfo)))
this.nameAndTypeAsInfoInst = nameAndTypeAsInfoInstExpr
if this.nameAndTypeAsInfoInst != nil:
return this.nameAndTypeAsInfoInst
proc fromFile*(_: typedesc[JavaClass_FieldRefCpInfo], filename: string): JavaClass_FieldRefCpInfo =
JavaClass_FieldRefCpInfo.read(newKaitaiFileStream(filename), nil, nil)