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+#pragma once
+// script-persist.hpp - EAthena script frontend, engine, and library.
+//
+// Copyright © ????-2004 Athena Dev Teams
+// Copyright © 2004-2011 The Mana World Development Team
+// Copyright © 2011-2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+// This file is part of The Mana World (Athena server)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#include "fwd.hpp"
+
+#include "../strings/rstring.hpp"
+
+#include "../sexpr/variant.hpp"
+
+
+namespace tmwa
+{
+class SIR
+{
+ uint32_t impl;
+ SIR(SP v)
+ : impl(static_cast<uint32_t>(v))
+ {}
+ SIR(unsigned v, uint8_t i)
+ : impl((i << 24) | v)
+ {}
+public:
+ SIR() : impl() {}
+
+ unsigned base() const { return impl & 0x00ffffff; }
+ uint8_t index() const { return impl >> 24; }
+ SIR iplus(uint8_t i) const { return SIR(base(), index() + i); }
+ static SIR from(unsigned v, uint8_t i=0) { return SIR(v, i); }
+
+ SP sp() const { return static_cast<SP>(impl); }
+ static SIR from(SP v) { return SIR(v); }
+
+ friend bool operator == (SIR l, SIR r) { return l.impl == r.impl; }
+ friend bool operator < (SIR l, SIR r) { return l.impl < r.impl; }
+};
+
+struct ScriptDataPos
+{
+ int numi;
+};
+struct ScriptDataInt
+{
+ int numi;
+};
+struct ScriptDataParam
+{
+ SIR reg;
+};
+struct ScriptDataStr
+{
+ RString str;
+};
+struct ScriptDataArg
+{
+ int numi;
+};
+struct ScriptDataVariable
+{
+ SIR reg;
+};
+struct ScriptDataRetInfo
+{
+ // Not a ScriptPointer - pos is stored in a separate slot,
+ // to avoid exploding the struct for everyone.
+ const ScriptBuffer *script;
+};
+struct ScriptDataFuncRef
+{
+ int numi;
+};
+
+using ScriptDataVariantBase = Variant<
+ ScriptDataPos,
+ ScriptDataInt,
+ ScriptDataParam,
+ ScriptDataStr,
+ ScriptDataArg,
+ ScriptDataVariable,
+ ScriptDataRetInfo,
+ ScriptDataFuncRef
+>;
+struct script_data : ScriptDataVariantBase
+{
+ script_data() = delete;
+ // TODO see if I can delete the copy ctor/assign instead of defaulting
+ script_data(script_data&&) = default;
+ script_data(const script_data&) = default /*delete*/;
+ script_data& operator = (script_data&&) = default;
+ script_data& operator = (const script_data&) = default /*delete*/;
+
+ script_data(ScriptDataPos v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataInt v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataParam v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataStr v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataArg v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataVariable v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataRetInfo v) : ScriptDataVariantBase(std::move(v)) {}
+ script_data(ScriptDataFuncRef v) : ScriptDataVariantBase(std::move(v)) {}
+};
+} // namespace tmwa