protected SubroutineSymbol(
SourceFileSymbol declaringSourceFile,
string name,
SubroutineDeclaration declaration) : base(name)
{
DeclaringSourceFile = declaringSourceFile;
Declaration = declaration;
}
private string GetSignature(SubroutineDeclaration member)
{
var signature = member.Accessibility == Accessibility.Implicit ? string.Empty : member.Accessibility.ToString();
signature += " Sub " + member.IdentifierName + "(";
var selectedParams = Parameters.Where(p => !p.IsRemoved).Select(s => s.Name);
return(signature + string.Join(", ", selectedParams) + ")");
}
private static void WriteRuntimeInformation(
ImmutableArray <SubroutineSymbol> subroutines,
ref BufferWriter rtiWriter,
ref BufferWriter offsetWriter)
{
if (subroutines.Length == 0)
{
return;
}
foreach (SubroutineSymbol subroutine in subroutines)
{
offsetWriter.WriteUInt16LE((ushort)rtiWriter.Position);
byte kind = subroutine.Kind switch
{
SymbolKind.Chapter => (byte)0x00,
SymbolKind.Scene => (byte)0x01,
SymbolKind.Function => (byte)0x02,
_ => ThrowHelper.Unreachable <byte>()
};
rtiWriter.WriteByte(kind);
rtiWriter.WriteLengthPrefixedUtf8String(subroutine.Name);
SubroutineDeclaration decl = subroutine.Declaration;
rtiWriter.WriteUInt16LE((ushort)decl.DialogueBlocks.Length);
foreach (DialogueBlock dialogueBlock in decl.DialogueBlocks)
{
rtiWriter.WriteLengthPrefixedUtf8String(dialogueBlock.AssociatedBox);
rtiWriter.WriteLengthPrefixedUtf8String(dialogueBlock.Name);
}
if (subroutine.Kind == SymbolKind.Function)
{
var function = (FunctionSymbol)subroutine;
rtiWriter.WriteByte((byte)function.Parameters.Length);
foreach (ParameterSymbol parameter in function.Parameters)
{
rtiWriter.WriteLengthPrefixedUtf8String(parameter.Name);
}
}
}
}
}
private static void CompileSubroutines(
NsxModuleBuilder moduleBuilder, ImmutableArray <SubroutineSymbol> subroutines,
ref BufferWriter writer, List <int> subroutineOffsets)
{
if (subroutines.Length == 0)
{
return;
}
var dialogueBlockOffsets = new List <int>();
foreach (SubroutineSymbol subroutine in subroutines)
{
subroutineOffsets.Add(writer.Position);
SubroutineDeclaration decl = subroutine.Declaration;
int dialogueBlockCount = decl.DialogueBlocks.Length;
int start = writer.Position;
int offsetBlockSize = sizeof(ushort) + dialogueBlockCount * sizeof(ushort);
writer.Position += 2 + offsetBlockSize;
dialogueBlockOffsets.Clear();
int codeStart = writer.Position;
Emitter.CompileSubroutine(moduleBuilder, subroutine, ref writer, dialogueBlockOffsets);
int codeEnd = writer.Position;
int codeSize = codeEnd - codeStart;
writer.Position = start;
writer.WriteUInt16LE((ushort)(offsetBlockSize + codeSize));
writer.WriteUInt16LE((ushort)dialogueBlockCount);
for (int i = 0; i < dialogueBlockCount; i++)
{
writer.WriteUInt16LE((ushort)dialogueBlockOffsets[i]);
}
writer.Position = codeEnd;
}
}
