public void CallNativeFunction(string name, Expression[] args)
{
ScriptNativeFunction function = ScriptNativeFunctionTable.Find(name);
if (function == null)
{
throw new InvalidOperationException("Function not found");
}
ScriptNativeFunctionAttribute functionAttribute = function.Method.GetCustomAttribute <ScriptNativeFunctionAttribute>();
ScriptNativeFunctionReturnAttribute[] returnTypes = function.Method.GetCustomAttributes <ScriptNativeFunctionReturnAttribute>();
ScriptNativeFunctionParameterAttribute[] parameterTypes = function.Method.GetCustomAttributes <ScriptNativeFunctionParameterAttribute>();
// return value들을 보관할 영역을 확보합니다.
foreach (ScriptNativeFunctionReturnAttribute item in returnTypes)
{
AllocateN(DeclareVariable.SizeOf(item.Type), true);
}
Trace.Assert(parameterTypes.Length == args.Length);
for (int i = 0; i < args.Length; i++)
{
Generate(args[i]);
}
binaryWriter.Write(ScriptInstruction.CallNativeFunction);
binaryWriter.Write(functionAttribute.FunctionID);
binaryWriter.Write(returnTypes.Length);
binaryWriter.Write(parameterTypes.Length);
AppendTextCode("<b>call_native</b> {0} [{1}]", functionAttribute.FunctionID, name);
Pop(parameterTypes.Length);
}
public void CallScriptFunction(string name, Expression[] args)
{
Function function = FindFunction(name);
if (function == null)
{
throw new InvalidOperationException("Function not found");
}
// return value들을 보관할 영역을 확보합니다.
foreach (ScriptObjectType item in function.ReturnTypes)
{
AllocateN(DeclareVariable.SizeOf(item), true);
}
for (int i = 0; i < args.Length; i++)
{
Generate(args[i]);
}
binaryWriter.Write(ScriptInstruction.CallScriptFunction);
string addressString = WriteAddress(function.BeginLabel);
binaryWriter.Write(args.Length);
AppendTextCode("<b>call</b> <a href=\"#{0}\">{0}</a> [{1}]", addressString, name);
// 실행에서 Pop은 return에서 해주므로 여기서는 VS에서만 Pop해줍니다.
PopVS(args.Length);
}
public bool TryGetVariableOffsetFromVS(string name, out int stackIndex, out int localOffset, out int size)
{
List <List <DeclareVariable> > lvvs = localVariableVirtualStack;
stackIndex = -1;
localOffset = 0;
size = 0;
for (int i = lvvs.Count - 1; i >= 0; i--, stackIndex--)
{
List <DeclareVariable> items = lvvs[i];
if (items == null)
{
continue;
}
int k = items.Count - 1;
bool found = false;
for (k = items.Count - 1; k >= 0; k--)
{
DeclareVariable item = items[k];
if (item.Name == name)
{
size = DeclareVariable.SizeOf(item.Type);
found = true;
break;
}
}
for (k = k - 1; k >= 0; k--)
{
localOffset += DeclareVariable.SizeOf(items[k].Type);
}
if (found)
{
return(true);
}
}
return(false);
}