/*
* JavaFieldReader
*/
public JavaField(JavaReader rdr)
{
Class = rdr.Class;
Flags = (JavaAccessFlags)rdr.Read16();
Name = rdr.ConstUtf8(rdr.Read16());
rdr.Where.Push($"field '{Name}'");
Type = new JavaType(rdr.ConstUtf8(rdr.Read16()), rdr.Where);
var attributes = new JavaAttributeSet(rdr);
if ((Flags & JavaAccessFlags.ACC_STATIC) != 0)
{
var constAttr = attributes.GetAttr <JavaAttribute.ConstantValue>();
if (constAttr != null)
{
InitConstant(constAttr.value, rdr.Where);
}
}
rdr.Where.Pop();
}
public LocalVariableTable(JavaReader rdr)
{
vars = new Item[rdr.Read16()];
for (int i = 0; i < vars.Length; i++)
{
vars[i].offset = rdr.Read16();
vars[i].length = rdr.Read16();
vars[i].nameAndType = new JavaFieldRef(
rdr.ConstUtf8(rdr.Read16()),
rdr.ConstUtf8(rdr.Read16()),
rdr.Where);
vars[i].index = rdr.Read16();
}
}
public MethodParameters(JavaReader rdr)
{
parms = new Item[rdr.Read8()];
for (int i = 0; i < parms.Length; i++)
{
parms[i].name = rdr.ConstUtf8(rdr.Read16());
parms[i].flags = rdr.Read16();
}
}
public JavaMethod(JavaReader rdr, bool withCode = true)
{
Class = rdr.Class;
Flags = (JavaAccessFlags)rdr.Read16();
Name = rdr.ConstUtf8(rdr.Read16());
rdr.Where.Push($"method '{Name}'");
var tmpMethod = new JavaMethodRef(rdr.ConstUtf8(rdr.Read16()), rdr.Where);
ReturnType = tmpMethod.ReturnType;
Parameters = tmpMethod.Parameters;
var attributes = new JavaAttributeSet(rdr, withCode);
Exceptions = attributes.GetAttr <JavaAttribute.Exceptions>()?.classes;
var codeAttr = attributes.GetAttr <JavaAttribute.Code>();
if (withCode && codeAttr != null)
{
#if !DEBUG
try
{
#endif
Code = new JavaCode(rdr, this, codeAttr);
#if !DEBUG
}
catch (IndexOutOfRangeException)
{
throw rdr.Where.Exception("unexpected end of code");
}
#endif
}
InitParameterNames(attributes, codeAttr);
rdr.Where.Pop();
}
public InnerClasses(JavaReader rdr)
{
classes = new JavaClass.InnerClass[rdr.Read16()];
for (int i = 0; i < classes.Length; i++)
{
classes[i] = new JavaClass.InnerClass();
classes[i].InnerLongName = rdr.ConstClass(rdr.Read16()).ClassName;
ushort v = rdr.Read16();
if (v != 0)
{
classes[i].OuterLongName = rdr.ConstClass(v).ClassName;
}
v = rdr.Read16();
if (v != 0)
{
classes[i].InnerShortName = rdr.ConstUtf8(v);
}
classes[i].Flags = (JavaAccessFlags)rdr.Read16();
}
}
public JavaAttributeSet(JavaReader rdr, bool withCode = true)
{
var count = rdr.Read16();
set = new List <JavaAttribute>(count);
for (int i = 0; i < count; i++)
{
var name = rdr.ConstUtf8(rdr.Read16());
rdr.Where.Push($"attribute '{name}'");
bool popped = false;
var length = JavaAttribute.ReadLength(rdr, name);
var position = rdr.StreamPosition;
JavaAttribute attr;
switch (name)
{
case JavaAttribute.SourceFile.tag:
attr = new JavaAttribute.SourceFile(rdr);
break;
case JavaAttribute.Signature.tag:
attr = new JavaAttribute.Signature(rdr);
break;
case JavaAttribute.Exceptions.tag:
attr = new JavaAttribute.Exceptions(rdr);
break;
case JavaAttribute.InnerClasses.tag:
attr = new JavaAttribute.InnerClasses(rdr);
break;
case JavaAttribute.EnclosingMethod.tag:
attr = new JavaAttribute.EnclosingMethod(rdr);
break;
case JavaAttribute.ConstantValue.tag:
attr = new JavaAttribute.ConstantValue(rdr);
break;
case JavaAttribute.MethodParameters.tag:
attr = new JavaAttribute.MethodParameters(rdr);
break;
//
// Code attributes
//
case JavaAttribute.Code.tag:
attr = withCode ? (JavaAttribute) new JavaAttribute.Code(rdr)
: (JavaAttribute) new JavaAttribute.Generic(rdr, name, length);
break;
case JavaAttribute.BootstrapMethods.tag:
attr = withCode ? (JavaAttribute) new JavaAttribute.BootstrapMethods(rdr)
: (JavaAttribute) new JavaAttribute.Generic(rdr, name, length);
break;
case JavaAttribute.StackMapTable.tag:
attr = new JavaAttribute.StackMapTable(rdr);
break;
case JavaAttribute.LineNumberTable.tag:
attr = new JavaAttribute.LineNumberTable(rdr);
break;
case JavaAttribute.LocalVariableTable.tag:
attr = new JavaAttribute.LocalVariableTable(rdr);
break;
//
// Unhandled attributes
//
case "Synthetic":
case "AnnotationDefault":
case "LocalVariableTypeTable":
case "RuntimeVisibleAnnotations":
case "RuntimeInvisibleAnnotations":
case "RuntimeInvisibleParameterAnnotations":
case "Deprecated":
attr = new JavaAttribute.Generic(rdr, name, length);
break;
default:
rdr.Where.Pop();
popped = true;
Console.WriteLine($"skipping unknown attribute '{name}'{rdr.Where}");
attr = new JavaAttribute.Generic(rdr, name, length);
break;
}
set.Add(attr);
if (rdr.StreamPosition != position + length)
{
throw rdr.Where.Exception("attribute too short");
}
if (!popped)
{
rdr.Where.Pop();
}
}
}
public Signature(JavaReader rdr)
{
descriptor = rdr.ConstUtf8(rdr.Read16());
}
public SourceFile(JavaReader rdr)
{
fileName = rdr.ConstUtf8(rdr.Read16());
}
