public override void Write(JavaWriter wtr)
{
wtr.Where.Push(tag);
wtr.Write16(wtr.ConstUtf8(tag));
wtr.Fork();
wtr.Write16(maxStack);
wtr.Write16(maxLocals);
wtr.Write32((uint)code.Length);
wtr.WriteBlock(code);
if (exceptions == null)
{
wtr.Write16(0);
}
else
{
wtr.Write16(exceptions.Length);
for (int i = 0; i < exceptions.Length; i++)
{
wtr.Write16(exceptions[i].start);
wtr.Write16(exceptions[i].endPlus1);
wtr.Write16(exceptions[i].handler);
wtr.Write16((exceptions[i].catchType == null) ? 0 :
wtr.ConstClass(exceptions[i].catchType));
}
}
attributes.Write(wtr);
wtr.Join();
wtr.Where.Pop();
}
public override void Write(JavaWriter wtr)
{
int length = sizeof(ushort) // classes.Length
+ classes.Length * sizeof(ushort) * 4;
Write(wtr, tag, length);
wtr.Write16(classes.Length);
for (int i = 0; i < classes.Length; i++)
{
wtr.Write16(wtr.ConstClass(classes[i].InnerLongName));
ushort v = (classes[i].OuterLongName == null) ? (ushort)0
: wtr.ConstClass(classes[i].OuterLongName);
wtr.Write16(v);
v = (classes[i].InnerShortName == null) ? (ushort)0
: wtr.ConstUtf8(classes[i].InnerShortName);
wtr.Write16(v);
wtr.Write16((ushort)classes[i].Flags);
}
}
public override void Write(JavaWriter wtr)
{
int length = sizeof(ushort) // classes.Length
+ classes.Length * sizeof(ushort);
Write(wtr, tag, length);
wtr.Write16(classes.Length);
for (int i = 0; i < classes.Length; i++)
{
wtr.Write16(wtr.ConstClass(classes[i]));
}
}
void FillInstruction_ConstLoad(JavaWriter wtr, Instruction inst)
{
int constantIndex = -1;
byte op = 0;
if (inst.Data is long vLong)
{
if (FillInstruction_ConstLoad_Long(inst, vLong))
{
return;
}
constantIndex = wtr.ConstLong(vLong);
op = 0x14;
}
else if (inst.Data is double vDouble)
{
if (FillInstruction_ConstLoad_Double(inst, vDouble))
{
return;
}
constantIndex = wtr.ConstDouble(vDouble);
op = 0x14;
}
else
{
if (inst.Class != null)
{
if (inst.Data is JavaFieldRef vField)
{
constantIndex = wtr.ConstField(inst.Class, vField);
}
else if (inst.Data is JavaMethodRef vMethod)
{
constantIndex = wtr.ConstMethod(inst.Class, vMethod);
}
else if (inst.Data == null)
{
constantIndex = wtr.ConstClass(inst.Class);
}
}
else if (inst.Data is int vInteger)
{
if (FillInstruction_ConstLoad_Integer(inst, vInteger))
{
return;
}
constantIndex = wtr.ConstInteger(vInteger);
}
else if (inst.Data is float vFloat)
{
if (FillInstruction_ConstLoad_Float(inst, vFloat))
{
return;
}
constantIndex = wtr.ConstFloat(vFloat);
}
else if (inst.Data is string vString)
{
constantIndex = wtr.ConstString(vString);
}
op = (byte)((constantIndex <= 255) ? 0x12 : 0x13);
inst.Opcode = op;
}
if (constantIndex == -1)
{
throw wtr.Where.Exception("invalid constant in ldc/ldc_w/ldc2_w instruction");
}
if (op == 0x12)
{
inst.Bytes = new byte[2];
inst.Bytes[1] = (byte)constantIndex;
}
else
{
inst.Bytes = new byte[3];
inst.Bytes[1] = (byte)(constantIndex >> 8);
inst.Bytes[2] = (byte)constantIndex;
}
inst.Bytes[0] = op;
}
bool FillInstruction_Const(JavaWriter wtr, Instruction inst, byte op)
{
int length = 3;
int count = 0;
if (op >= 0x12 && op <= 0x14)
{
FillInstruction_ConstLoad(wtr, inst);
return(true);
}
int constantIndex = -1;
if (op >= 0xB2 && op <= 0xB5)
{
// getstatic/putstatic/getfield/putfield
if (inst.Data is JavaFieldRef vField)
{
constantIndex = wtr.ConstField(inst.Class, vField);
}
}
else if (op >= 0xB6 && op <= 0xB8)
{
// invokevirtual/invokespecial/invokestatic
if (inst.Data is JavaMethodRef vMethod)
{
constantIndex = wtr.ConstMethod(inst.Class, vMethod);
}
}
else if (op == 0xB9)
{
// invokeinterface
if (inst.Data is JavaMethodRef vMethod)
{
constantIndex = wtr.ConstInterfaceMethod(inst.Class, vMethod);
length = 5;
count = 1; // 'this' argument
int numArgs = vMethod.Parameters.Count;
for (int i = 0; i < numArgs; i++)
{
count += vMethod.Parameters[i].Type.Category;
}
}
}
else if (op == 0xBA)
{
// invokedynamic
if (inst.Data is JavaCallSite vCallSite)
{
constantIndex = wtr.ConstInvokeDynamic(vCallSite);
length = 5;
}
}
else if (op >= 0xBB)
{
// new/anewarray/checkcast/instanceof/multianewarray
constantIndex = wtr.ConstClass(inst.Class);
if (op == 0xC5)
{
length++;
count = (int)inst.Data;
}
}
if (constantIndex == -1)
{
return(false);
}
inst.Bytes = new byte[length];
inst.Bytes[0] = op;
inst.Bytes[1] = (byte)(constantIndex >> 8);
inst.Bytes[2] = (byte)constantIndex;
if (op == 0xB9 || op == 0xC5)
{
inst.Bytes[3] = (byte)count;
}
return(true);
}
public void Write(JavaWriter wtr)
{
wtr.Where.Push($"writing class '{Name}'");
if (Name == null)
{
throw wtr.Where.Exception("missing class name");
}
wtr.Write16((ushort)Flags);
wtr.Write16(wtr.ConstClass(Name));
wtr.Write16(wtr.ConstClass(Super));
if (Interfaces == null)
{
wtr.Write16(0);
}
else
{
wtr.Write16(Interfaces.Count);
for (int i = 0; i < Interfaces.Count; i++)
{
wtr.Write16(wtr.ConstClass(Interfaces[i]));
}
}
if (Fields == null)
{
wtr.Write16(0);
}
else
{
wtr.Write16(Fields.Count);
for (int i = 0; i < Fields.Count; i++)
{
Fields[i].Write(wtr);
}
}
if (Methods == null)
{
wtr.Write16(0);
}
else
{
wtr.Write16(Methods.Count);
for (int i = 0; i < Methods.Count; i++)
{
Methods[i].Write(wtr);
}
}
var attributes = new JavaAttributeSet();
if (SourceFile != null)
{
attributes.Put(new JavaAttribute.SourceFile(SourceFile));
}
if (Signature != null)
{
attributes.Put(new JavaAttribute.Signature(Signature));
}
WriteInnerClasses(attributes);
if (wtr.bootstrapMethods != null)
{
attributes.Put(wtr.bootstrapMethods);
}
attributes.Write(wtr);
wtr.Where.Pop();
}
public override void Write(JavaWriter wtr)
{
wtr.Write16(wtr.ConstUtf8(tag));
wtr.Fork();
wtr.Write16(methods.Length);
for (int i = 0; i < methods.Length; i++)
{
wtr.Write16(wtr.ConstMethodHandle(methods[i].mh));
var args = methods[i].args;
wtr.Write16(args.Length);
for (int j = 0; j < args.Length; j++)
{
ushort constantIndex;
var value = args[j];
if (value is int intValue)
{
constantIndex = wtr.ConstInteger(intValue);
}
else if (value is float floatValue)
{
constantIndex = wtr.ConstFloat(floatValue);
}
else if (value is long longValue)
{
constantIndex = wtr.ConstLong(longValue);
}
else if (value is double doubleValue)
{
constantIndex = wtr.ConstDouble(doubleValue);
}
else if (value is JavaType classValue)
{
constantIndex = wtr.ConstClass(classValue);
}
else if (value is string stringValue)
{
constantIndex = wtr.ConstString(stringValue);
}
else if (value is JavaMethodHandle methodHandleValue)
{
constantIndex = wtr.ConstMethodHandle(methodHandleValue);
}
else if (value is JavaMethodType methodTypeValue)
{
constantIndex = wtr.ConstMethodType(methodTypeValue);
}
else
{
throw wtr.Where.Exception($"invalid constant value");
}
wtr.Write16(constantIndex);
}
}
wtr.Join();
}
public override void Write(JavaWriter wtr)
{
Write(wtr, tag, sizeof(ushort) * 2);
wtr.Write16(wtr.ConstClass(className));
wtr.Write16(methodConst);
}