Code shared from run.dlang.io.

main.d

module parser.definitions.attributes;

import std.sumtype;

struct ConstantValue
{
    ushort constantvalue_index;
}

struct ExceptionTable
{
    ushort start_pc;
    ushort end_pc;
    ushort handler_pc;
    ushort catch_type;
}

struct Code
{
    ushort max_stack;
    ushort max_locals;
    ubyte[] code;
    ExceptionTable[] exception_table;
    Attribute[] attributes;
}

/*
    ————————————————————————————————————————————————————————————————————————————
    VerificationTypeInfo &&& StackMapFrame.
    ————————————————————————————————————————————————————————————————————————————
*/

struct Top
{
}

struct Integer
{
}

struct Float
{
}

struct Null
{
}

struct UninitializedThis
{
}

struct Object
{
    ushort cpool_index;
}

struct UninitializedVariable
{
    ushort offset;
}

struct Long
{
}

struct Double
{
}

alias VerificationTypeInfo = SumType!(
    Top,
    Integer,
    Float,
    Null,
    UninitializedThis,
    Object,
    UninitializedVariable,
    Long,
    Double
);

struct Same
{
}

struct SameLocals1StackItem
{
    VerificationTypeInfo stack;
}

struct SameLocals1StackItemExt
{
    ushort offset_delta;
    VerificationTypeInfo stack;
}

struct Chop
{
    ushort offset_delta;
}

struct SameExt
{
    ushort offset_delta;
}

struct Append
{
    ushort offset_delta;
    VerificationTypeInfo[] locals;
}

struct Full
{
    ushort offset_delta;
    VerificationTypeInfo[] locals;
    VerificationTypeInfo[] stack;
}

alias StackMapFrame = SumType!(
    Same,
    SameLocals1StackItem,
    SameLocals1StackItemExt,
    Chop,
    SameExt,
    Append,
    Full
);

// —————————————————————————————————————————————————————————————————————————————

struct StackMapTable
{
    StackMapFrame[] entries;
}

struct Exceptions
{
    ushort[] exception_table_index;
}

struct InnerClass
{
    ushort inner_class_info_index;
    ushort outer_class_info_index;
    ushort inner_name_index;
    ushort inner_class_access_flags;
}

struct InnerClasses
{
    InnerClass[] classes;
}

struct EnclosingMethod
{
    ushort class_index;
    ushort method_index;
}

struct Synthetic
{
}

struct Signature
{
    ushort signature_index;
}

struct SourceFile
{
    ushort sourcefile_index;
}

struct SourceDebugExtension
{
    ubyte[] debug_extension;
}

struct LineNumber
{
    ushort start_pc;
    ushort line_number;
}

struct LineNumberTable
{
    LineNumber[] line_number_table;
}

struct LocalVariable
{
    ushort start_pc;
    ushort length;
    ushort name_index;
    ushort descriptor_index;
    ushort index;
}

struct LocalVariableTable
{
    LocalVariable[] local_variable_table;
}

struct LocalVariableType
{
    ushort start_pc;
    ushort length;
    ushort name_index;
    ushort signature_index;
    ushort index;
}

struct LocalVariableTypeTable
{
    LocalVariableType[] local_variable_type_table;
}

struct Deprecated
{
}

/*
    ————————————————————————————————————————————————————————————————————————————
    Runtime Annotations
    ————————————————————————————————————————————————————————————————————————————
*/

/*
    *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
    Element Value
    *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*/

struct ConstValueIndex
{
    ushort const_value_index;
}

struct EnumConstValue
{
    ushort type_name_index;
    ushort const_name_index;
}

struct ClassInfoIndex
{
    ushort class_info_index;
}

struct AnnotationValue
{
    Annotation annotation_value;
}

struct ArrayValue
{
    ElementValue[] values;
}

alias ElementValue = SumType!(
    ConstValueIndex,
    EnumConstValue,
    ClassInfoIndex,
    AnnotationValue,
    ArrayValue,
);

// *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*

struct ElementValuePair
{
    ushort index;
    ElementValue element_value;
}

struct Annotation
{
    ElementValuePair[] pairs;
}

struct RuntimeVisibleAnnotations
{
    Annotation[] annotations;
}

// —————————————————————————————————————————————————————————————————————————————

alias Attribute = SumType!(
    ConstantValue,
    Code,
    StackMapTable,
    Exceptions,
    InnerClasses,
    EnclosingMethod,
    Synthetic,
    Signature,
    SourceFile,
    LineNumberTable,
    LocalVariableTable,
    LocalVariableTypeTable,
    Deprecated
);