/// <summary>
/// Constructs a new
/// <see cref="FieldWriter" />
/// .
/// </summary>
/// <param name="symbolTable">
/// where the constants used in this FieldWriter must be stored.
/// </param>
/// <param name="access">
/// the field's access flags (see
/// <see cref="Opcodes" />
/// ).
/// </param>
/// <param name="name">the field's name.</param>
/// <param name="descriptor">
/// the field's descriptor (see
/// <see cref="Type" />
/// ).
/// </param>
/// <param name="signature">
/// the field's signature. May be
/// <literal>null</literal>
/// .
/// </param>
/// <param name="constantValue">
/// the field's constant value. May be
/// <literal>null</literal>
/// .
/// </param>
internal FieldWriter(SymbolTable symbolTable, AccessFlags access, string name, string descriptor
, string signature, object constantValue)
: base(VisitorAsmApiVersion.Asm7)
{
// Note: fields are ordered as in the field_info structure, and those related to attributes are
// ordered as in Section 4.7 of the JVMS.
// -----------------------------------------------------------------------------------------------
// Constructor
// -----------------------------------------------------------------------------------------------
/* latest api = */
this.symbolTable = symbolTable;
accessFlags = access;
nameIndex = symbolTable.AddConstantUtf8(name);
descriptorIndex = symbolTable.AddConstantUtf8(descriptor);
if (signature != null)
{
signatureIndex = symbolTable.AddConstantUtf8(signature);
}
if (constantValue != null)
{
constantValueIndex = symbolTable.AddConstant(constantValue).index;
}
}
/* useNamedValues = */
// -----------------------------------------------------------------------------------------------
// Implementation of the AnnotationVisitor abstract class
// -----------------------------------------------------------------------------------------------
public override void Visit(string name, object value)
{
// Case of an element_value with a const_value_index, class_info_index or array_index field.
// See https://docs.oracle.com/javase/specs/jvms/se9/html/jvms-4.html#jvms-4.7.16.1.
++numElementValuePairs;
if (useNamedValues)
{
annotation.PutShort(symbolTable.AddConstantUtf8(name));
}
if (value is string)
{
annotation.Put12('s', symbolTable.AddConstantUtf8((string)value));
}
else if (value is byte)
{
annotation.Put12('B', symbolTable.AddConstantInteger((byte)value).index);
}
else if (value is bool)
{
var booleanValue = (bool)value ? 1 : 0;
annotation.Put12('Z', symbolTable.AddConstantInteger(booleanValue).index);
}
else if (value is char)
{
annotation.Put12('C', symbolTable.AddConstantInteger((char)value).index);
}
else if (value is short)
{
annotation.Put12('S', symbolTable.AddConstantInteger((short)value).index);
}
else if (value is Type)
{
annotation.Put12('c', symbolTable.AddConstantUtf8(((Type)value).GetDescriptor()));
}
else if (value is byte[])
{
var byteArray = (byte[])value;
annotation.Put12('[', byteArray.Length);
foreach (var byteValue in byteArray)
{
annotation.Put12('B', symbolTable.AddConstantInteger(byteValue).index);
}
}
else if (value is bool[])
{
var booleanArray = (bool[])value;
annotation.Put12('[', booleanArray.Length);
foreach (var booleanValue in booleanArray)
{
annotation.Put12('Z', symbolTable.AddConstantInteger(booleanValue ? 1 : 0).index);
}
}
else if (value is short[])
{
var shortArray = (short[])value;
annotation.Put12('[', shortArray.Length);
foreach (var shortValue in shortArray)
{
annotation.Put12('S', symbolTable.AddConstantInteger(shortValue).index);
}
}
else if (value is char[])
{
var charArray = (char[])value;
annotation.Put12('[', charArray.Length);
foreach (var charValue in charArray)
{
annotation.Put12('C', symbolTable.AddConstantInteger(charValue).index);
}
}
else if (value is int[])
{
var intArray = (int[])value;
annotation.Put12('[', intArray.Length);
foreach (var intValue in intArray)
{
annotation.Put12('I', symbolTable.AddConstantInteger(intValue).index);
}
}
else if (value is long[])
{
var longArray = (long[])value;
annotation.Put12('[', longArray.Length);
foreach (var longValue in longArray)
{
annotation.Put12('J', symbolTable.AddConstantLong(longValue).index);
}
}
else if (value is float[])
{
var floatArray = (float[])value;
annotation.Put12('[', floatArray.Length);
foreach (var floatValue in floatArray)
{
annotation.Put12('F', symbolTable.AddConstantFloat(floatValue).index);
}
}
else if (value is double[])
{
var doubleArray = (double[])value;
annotation.Put12('[', doubleArray.Length);
foreach (var doubleValue in doubleArray)
{
annotation.Put12('D', symbolTable.AddConstantDouble(doubleValue).index);
}
}
else
{
var symbol = symbolTable.AddConstant(value);
annotation.Put12(".s.IFJDCS"[symbol.tag], symbol.index);
}
}