|
public Emit_NewArray ( TypeSymbol elementType, |
||
| elementType | TypeSymbol | |
| values | ||
| return | void | |
internal override TypeSymbol Emit(CodeGenerator cg)
{
if (TargetMethod != null)
{
return EmitDirectCall(cg, ILOpCode.Newobj, TargetMethod);
}
else
{
if (_typeref.ResolvedType != null)
{
// context.Create<T>(params)
var create_t = cg.CoreTypes.Context.Symbol.GetMembers("Create")
.OfType<MethodSymbol>()
.Where(s => s.Arity == 1 && s.ParameterCount == 1 && s.Parameters[0].IsParams)
.Single()
.Construct(_typeref.ResolvedType);
cg.EmitLoadContext(); // Context
cg.Emit_NewArray(cg.CoreTypes.PhpValue, _arguments.Select(a => a.Value).ToArray()); // PhpValue[]
return cg.EmitCall(ILOpCode.Call, create_t);
}
else
{
// ctx.Create(classname, params)
var create = cg.CoreTypes.Context.Symbol.GetMembers("Create")
.OfType<MethodSymbol>()
.Where(s => s.Arity == 0 && s.ParameterCount == 2 && s.Parameters[0].Type.PrimitiveTypeCode == Microsoft.Cci.PrimitiveTypeCode.String && s.Parameters[1].IsParams && ((ArrayTypeSymbol)s.Parameters[1].Type).ElementType == cg.CoreTypes.PhpValue)
.Single();
cg.EmitLoadContext(); // Context
_typeref.EmitClassName(cg); // String
cg.Emit_NewArray(cg.CoreTypes.PhpValue, _arguments.Select(a => a.Value).ToArray()); // PhpValue[]
return cg.EmitCall(ILOpCode.Call, create);
}
}
}
internal override TypeSymbol EmitCallsiteCall(CodeGenerator cg)
{
if (_name.IsDirect)
{
return base.EmitCallsiteCall(cg);
}
else
{
Debug.Assert(_name.NameExpression != null);
// faster to emit PhpCallback.Invoke
// NameExpression.AsCallback().Invoke(Context, PhpValue[])
cg.EmitConvert(_name.NameExpression, cg.CoreTypes.IPhpCallable); // (IPhpCallable)Name
cg.EmitLoadContext(); // Context
cg.Emit_NewArray(cg.CoreTypes.PhpValue, _arguments.Select(a => a.Value).ToArray()); // PhpValue[]
return cg.EmitCall(ILOpCode.Callvirt, cg.CoreTypes.IPhpCallable.Symbol.LookupMember<MethodSymbol>("Invoke"));
}
}
