iframe-proxy | Sunbelt Computer Software

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

///////////////////////////////////////////////////////////////////////////////

// This source file is part of the LuaPlus source distribution and is Copyright

// 2001-2010 by Joshua C. Jensen (jjensen@workspacewhiz.com).

// The latest version may be obtained from http://luaplus.org/.

// The code presented in this file may be used in any environment it is

// acceptable to use Lua.

///////////////////////////////////////////////////////////////////////////////

#ifndef BUILDING_LUAPLUS

#define BUILDING_LUAPLUS

#endif

#include "LuaLink.h"

LUA_EXTERN_C_BEGIN

#include "src/lobject.h"

LUA_EXTERN_C_END

#include "LuaPlus.h"

#include "LuaState.h"

//#include "LuaCall.h"

#include "LuaPlusCD.h"

#if defined(WIN32) && !defined(_XBOX) && !defined(_XBOX_VER)

#include <windows.h>

#undef GetObject

#undef LoadString

#elif defined(_XBOX) || defined(_XBOX_VER)

#include <xtl.h>

#endif // WIN32

#ifdef _MSC_VER

#pragma warning(disable: 4702)

#endif // _MSC_VER

#include <ctype.h>

LUA_EXTERN_C_BEGIN

#include "src/lstate.h"

#include "src/lvm.h"

#include "src/lgc.h"

LUA_EXTERN_C_END

#ifndef LUAPLUS_ENABLE_INLINES

#include "LuaState.inl"

#endif // LUAPLUS_ENABLE_INLINES

namespace LuaPlus {

#if LUAPLUS_EXTENSIONS

LuaObject LuaState::GetGlobals() throw()

{

return LuaObject( this, gt(LuaState_to_lua_State(this)) );

}

#endif // LUAPLUS_EXTENSIONS

LuaStackObject LuaState::PushVFString(const char *fmt, va_list argp) {

lua_State* L = LuaState_to_lua_State(this);

lua_lock(L);

luaC_checkGC(L);

luaO_pushvfstring(L, fmt, argp);

lua_unlock(L);

return LuaStackObject(this, lua_gettop(LuaState_to_lua_State(this)));

}

LuaStackObject LuaState::PushFString(const char *fmt, ...) {

lua_State* L = LuaState_to_lua_State(this);

va_list argp;

lua_lock(L);

luaC_checkGC(L);

va_start(argp, fmt);

luaO_pushvfstring(L, fmt, argp);

va_end(argp);

lua_unlock(L);

return LuaStackObject(this, lua_gettop(LuaState_to_lua_State(this)));

}

#if LUAPLUS_EXTENSIONS

int LuaState::Equal(const LuaObject& o1, const LuaObject& o2)

{

int i = equalobj(o1.GetCState(), o1.GetTObject(), o2.GetTObject());

return i;

}

int LuaState::LessThan(const LuaObject& o1, const LuaObject& o2)

{

int i = luaV_lessthan(o1.GetCState(), o1.GetTObject(), o2.GetTObject());

return i;

}

LuaObject LuaState::NewUserDataBox(void* u)

{

LuaObject obj(this);

obj.AssignUserData(this, u);

return obj;

}

LuaObject LuaState::GetLocalByName( int level, const char* name )

{

lua_State * L = GetCState();

lua_Debug ar;

int i;

const char *localName;

if (lua_getstack(L, level, &ar) == 0)

return LuaObject(this); /* failure: no such level in the stack */

i = 1;

while ((localName = lua_getlocal(L, &ar, i++)) != NULL) {

if (strcmp(name, localName) == 0)

{

LuaObject obj(this, -1);

lua_pop(L, 1);

return obj;

}

lua_pop(L, 1); /* remove variable value */

}

return LuaObject(this);

}

#endif // LUAPLUS_EXTENSIONS

LuaStackObject LuaState::PushCClosure(int (*f)(LuaState*), int n)

{

unsigned char* buffer = (unsigned char*)lua_newuserdata(LuaState_to_lua_State(this), sizeof(f));

memcpy(buffer, &f, sizeof(f));

Insert(-n-1);

lua_pushcclosure(LuaState_to_lua_State(this), LPCD::LuaStateFunctionDispatcher, n + 1);

return LuaStackObject(this, lua_gettop(LuaState_to_lua_State(this)));

}

#if LUAPLUS_EXTENSIONS

int LuaState::DoString( const char *str, LuaObject& fenvObj )

{

lua_State* L = LuaState_to_lua_State(this);

int status = luaL_loadbuffer(L, str, strlen(str), str);

if (status != 0)

return status;

fenvObj.Push();

SetFEnv(-2);

return lua_pcall(L, 0, LUA_MULTRET, 0);

}

LuaObject LuaState::GetGlobal(const char *name)

{

return GetGlobals()[name];

}

LuaObject LuaState::GetRegistry()

{

return LuaObject(this, LUA_REGISTRYINDEX); //{ lua_getregistry(LuaState_to_lua_State(this));

}

int LuaState::DoFile( const char *filename, LuaObject& fenvObj )

{

lua_State* L = LuaState_to_lua_State(this);

int status = luaL_loadfile(L, filename);

if (status != 0)

return status;

fenvObj.Push();

SetFEnv(-2);

return lua_pcall(L, 0, LUA_MULTRET, 0);

}

int LuaState::DoBuffer( const char *buff, size_t size, const char *name, LuaObject& fenvObj )

{

lua_State* L = LuaState_to_lua_State(this);

int status = luaL_loadbuffer(L, buff, size, name);

if (status != 0)

return status;

fenvObj.Push();

SetFEnv(-2);

return lua_pcall(L, 0, LUA_MULTRET, 0);

}

namespace LuaHelper {

LUAPLUS_API void MergeObjects(LuaObject& mergeTo, LuaObject& mergeFrom, bool replaceDuplicates)

{

if (mergeTo.GetState() == mergeFrom.GetState())

{

for (LuaTableIterator it(mergeFrom); it; ++it)

{

LuaObject toNodeKeyObj = mergeTo[it.GetKey()];

if (it.GetValue().IsTable())

{

if (toNodeKeyObj.IsNil() || replaceDuplicates)

{

toNodeKeyObj = mergeTo.CreateTable(it.GetKey());

}

MergeObjects(toNodeKeyObj, it.GetValue(), replaceDuplicates);

}

else if (toNodeKeyObj.IsNil() || replaceDuplicates)

{

mergeTo.SetObject(it.GetKey(), it.GetValue());

}

else

{

for (LuaTableIterator it(mergeFrom); it; ++it)

{

LuaObject obj;

switch (it.GetKey().Type())

{

case LUA_TBOOLEAN: obj.AssignBoolean(mergeTo.GetState(), it.GetKey().GetBoolean()); break;

case LUA_TNUMBER: obj.AssignNumber(mergeTo.GetState(), it.GetKey().GetNumber()); break;

case LUA_TSTRING: obj.AssignString(mergeTo.GetState(), it.GetKey().GetString()); break;

#if LUA_WIDESTRING

case LUA_TWSTRING: obj.AssignWString(mergeTo.GetState(), it.GetKey().GetWString()); break;

#endif /* LUA_WIDESTRING */

}

LuaObject toNodeKeyObj = mergeTo[obj];

if (it.GetValue().IsTable())

{

if (toNodeKeyObj.IsNil() || replaceDuplicates)

{

toNodeKeyObj = mergeTo.CreateTable(it.GetKey());

}

MergeObjects(toNodeKeyObj, it.GetValue(), replaceDuplicates);

}

else if (toNodeKeyObj.IsNil() || replaceDuplicates)

{

LuaObject toKeyObj;

switch (it.GetKey().Type())

{

case LUA_TBOOLEAN: toKeyObj.AssignBoolean(mergeTo.GetState(), it.GetKey().GetBoolean()); break;

case LUA_TNUMBER: toKeyObj.AssignNumber(mergeTo.GetState(), it.GetKey().GetNumber()); break;

case LUA_TSTRING: toKeyObj.AssignString(mergeTo.GetState(), it.GetKey().GetString()); break;

#if LUA_WIDESTRING

case LUA_TWSTRING: toKeyObj.AssignWString(mergeTo.GetState(), it.GetKey().GetWString()); break;

#endif /* LUA_WIDESTRING */

}

switch (it.GetValue().Type())

{

case LUA_TBOOLEAN: mergeTo.SetBoolean(toKeyObj, it.GetValue().GetBoolean()); break;

case LUA_TNUMBER: mergeTo.SetNumber(toKeyObj, it.GetValue().GetNumber()); break;

case LUA_TSTRING: mergeTo.SetString(toKeyObj, it.GetValue().GetString()); break;

#if LUA_WIDESTRING

case LUA_TWSTRING: mergeTo.SetWString(toKeyObj, it.GetValue().GetWString()); break;

#endif /* LUA_WIDESTRING */

}

} // namespace LuaHelper

#endif // LUAPLUS_EXTENSIONS

} // namespace LuaPlus

namespace LPCD

{

void Push(lua_State* L, int (*value)(LuaState*))

{

LuaState* state = lua_State_To_LuaState(L);

state->PushCClosure(value, 0);

}

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Repository navigation

LuaState.cpp

LuaState.cpp

Sunbelt Computer Software

PL/B Language Development and Support

FilesExpand file tree

LuaState.cpp

Latest commit

History

LuaState.cpp

File metadata and controls