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/*
* LuaScriptingContext.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "LuaWrapper.h"
#include "LuaReference.h"
#include "../../lib/ScriptHandler.h"
#include "../../lib/CScriptingModule.h"
VCMI_LIB_NAMESPACE_BEGIN
namespace scripting
{
class LuaContext : public ContextBase
{
public:
static const std::string STATE_FIELD;
LuaContext(const Script * source, const Environment * env_);
virtual ~LuaContext();
void run(const JsonNode & initialState) override;
void run(ServerCallback * server, const JsonNode & initialState) override;
//log error and return nil from LuaCFunction
int errorRetVoid(const std::string & message);
JsonNode callGlobal(const std::string & name, const JsonNode & parameters) override;
JsonNode callGlobal(ServerCallback * cb, const std::string & name, const JsonNode & parameters) override;
void getGlobal(const std::string & name, int & value) override;
void getGlobal(const std::string & name, std::string & value) override;
void getGlobal(const std::string & name, double & value) override;
void getGlobal(const std::string & name, JsonNode & value) override;
void setGlobal(const std::string & name, int value) override;
void setGlobal(const std::string & name, const std::string & value) override;
void setGlobal(const std::string & name, double value) override;
void setGlobal(const std::string & name, const JsonNode & value) override;
JsonNode saveState() override;
void pop(JsonNode & value);
void popAll();
void push(const std::string & value);
void push(lua_CFunction f, void * opaque);
std::string toStringRaw(int index);
private:
lua_State * L;
const Script * script;
const Environment * env;
std::shared_ptr<LuaReference> modules;
std::shared_ptr<LuaReference> scriptClosure;
void cleanupGlobals();
void registerCore();
//require global function
static int require(lua_State * L);
//print global function
static int print(lua_State * L);
static int logError(lua_State * L);
//require function implementation
int loadModule();
int printImpl();
int logErrorImpl();
};
}
VCMI_LIB_NAMESPACE_END
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