extern "C" int loader_XLua (lua_State *L) {
const char *filename;
const char *name = luaL_checkstring(L, 1);
filename = x_findfile(L, name, "path");
if (filename == NULL) return 1; /* library not found in this path */
//LuaInternalFile lif;
DWORD dwsz;
LPRDATA rdPtr = XLuaGlobal::Get().GetStateByState(L)->rdList.front()->rdPtr;
HANDLE hFile = rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvOpenHFile(filename, &dwsz, 0);
if (hFile == INVALID_HANDLE_VALUE) {
loaderror(L, filename);
return 0;
}
//LuaInternalFile lif;
char* text = (char*)calloc(dwsz+1, sizeof(char));
DWORD dwread;
ReadFile(hFile, text, dwsz, &dwread, NULL);
if (dwsz != dwread || luaL_loadbuffer(L, text, dwsz, name) != 0) {
free(text);
rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvCloseHFile(hFile);
loaderror(L, filename);
return 0;
}
free(text);
rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvCloseHFile(hFile);
luaJIT_setmode(L, -1, LUAJIT_MODE_FUNC|LUAJIT_MODE_OFF);
return 1;
}
int loader_C_luatex (lua_State *L, const char *name, const char *filename) {
const char *funcname;
funcname = mkfuncname(L, name);
if (ll_loadfunc(L, filename, funcname,0) != 0)
loaderror(L, filename);
return 1; /* library loaded successfully */
}
extern "C" int loader_XCDirect (lua_State *L, const char* filename, const char* name) {
const char *funcname;
//const char *filename = luaL_checkstring(L, 1);
//const char *name = luaL_checkstring(L, 2);
DWORD dwsz;
// Check existance of module
LPRDATA rdPtr = XLuaGlobal::Get().GetStateByState(L)->rdList.front()->rdPtr;
HANDLE hFile = rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvOpenHFile(filename, &dwsz, 0);
if (hFile == INVALID_HANDLE_VALUE) {
return 1;
}
rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvCloseHFile(hFile);
// Extract + Load module
char* tpath = (char*) calloc(_MAX_PATH, sizeof(char));
rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvGetFile(filename, tpath, 0);
funcname = mkfuncname(L, name);
if (ll_loadfunc(L, tpath, funcname) != 0) {
free(tpath);
loaderror(L, filename);
return 0;
}
free(tpath);
return 1;
}
static int loader_Lua (lua_State *L) {
const char *filename;
const char *name = luaL_checkstring(L, 1);
#if 0
filename = findfile(L, name, "path");
if (filename == NULL) return 1; /* library not found in this path */
#else
lua_pushstring(L, "A/CHDK/SCRIPTS/");
lua_pushvalue(L, 1);
lua_pushstring(L, ".LUA");
lua_concat(L, 3);
filename = lua_tostring(L, -1);
if (!readable(filename)) {
lua_pushstring(L, "A/CHDK/LUALIB/");
lua_pushvalue(L, 1);
lua_pushstring(L, ".LUA");
lua_concat(L, 3);
filename = lua_tostring(L, -1);
}
if (!readable(filename))
return 0;
#endif
if (luaL_loadfile(L, filename) != 0)
loaderror(L, filename);
return 1; /* library loaded successfully */
}
static int loader_C (lua_State *L) {
const char *name = luaL_checkstring(L, 1);
const char *filename = findfile(L, name, "cpath");
if (filename == NULL) return 1; /* library not found in this path */
if (loadfunc(L, filename, name) != 0)
loaderror(L, filename);
return 1; /* library loaded successfully */
}
static int loader_Lua (lua_State *L) {
const char* filename;
const char* name = luaL_checkstring(L, 1);
filename = findfile(L, name, "path");
if (filename == nullptr) return 1; /* library not found in this path */
if (luaL_loadfile(L, filename) != 0)
loaderror(L, filename);
return 1; /* library loaded successfully */
}
static int loader_Lua (lua_State *L) {
const char *filename;
const char *name = luaL_checkstring(L, 1);
filename = findfile(L, name, "path");
if (filename == NULL) return 1; /* library not found in this path */
if (luaL_loadfile(L, filename) != 0)
loaderror(L, filename);
/* not useful to JIT compile main chunk of a module */
luaJIT_setmode(L, -1, LUAJIT_MODE_FUNC|LUAJIT_MODE_OFF);
return 1; /* library loaded successfully */
}
int loader_Call_luatex (lua_State *L, const char *name, const char *filename) {
const char *funcname;
int stat;
if (filename == NULL) return 1; /* root not found */
funcname = mkfuncname(L, name);
if ((stat = ll_loadfunc(L, filename, funcname,0)) != 0) {
if (stat != PACKAGE_ERR_FUNC) loaderror(L, filename); /* real error */
lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS,
name, filename);
return 1; /* function not found */
}
return 1; /* library loaded successfully */
}
static int loader_Physfs (lua_State *L) {
char filename[1024];
char path[1024];
int i = 0;
const char *name = luaL_checkstring(L, 1);
while (name[i]){
filename[i] = (name[i] != '.') ? name[i] : '/';
i++;
}
filename[i] = 0;
snprintf(path, 1023, "/%s.lua", filename);
if (luaL_loadfile(L, path) != 0)
loaderror(L, path);
return 1; /* library loaded successfully */
}
static int loader_Croot (lua_State *L) {
const char *filename;
const char *name = luaL_checkstring(L, 1);
const char *p = strchr(name, '.');
int stat;
if (p == NULL) return 0; /* is root */
lua_pushlstring(L, name, p - name);
filename = findfile(L, lua_tostring(L, -1), "cpath");
if (filename == NULL) return 1; /* root not found */
if ((stat = loadfunc(L, filename, name)) != 0) {
if (stat != ERRFUNC) loaderror(L, filename); /* real error */
lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS,
name, filename);
return 1; /* function not found */
}
return 1;
}
static int loader_Croot (lua_State *L) {
const char *funcname;
const char *filename;
const char *name = luaL_checkstring(L, 1);
const char *p = strchr(name, '.');
int stat;
if (p == NULL) return 0; /* is root */
lua_pushlstring(L, name, p - name);
filename = findfile(L, lua_tostring(L, -1), "cpath");
if (filename == NULL) return 0; /* root not found */
funcname = mkfuncname(L, name);
if ((stat = ll_loadfunc(L, filename, funcname)) != 0) {
if (stat == ERRFUNC) return 0; /* function not found */
else
loaderror(L); /* real error */
}
return 1;
}
extern "C" int loader_XLua_Embedded (lua_State *L) {
//const char *filename;
const char *name = luaL_checkstring(L, 1);
//filename = x_findfile(L, name, "path");
//if (filename == NULL) return 1; /* library not found in this path */
std::vector<ScriptRecord*> srset = x_find_records(L, name);
if (srset.empty())
return 1;
//LuaInternalFile lif;
/*DWORD dwsz;
LPRDATA rdPtr = LGLOB->GetStateByState(L)->rdList.front()->rdPtr;
HANDLE hFile = rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvOpenHFile(filename, &dwsz, 0);
if (hFile == INVALID_HANDLE_VALUE) {
loaderror(L, filename);
return 0;
}*/
//LuaInternalFile lif;
//char* text = (char*)calloc(dwsz+1, sizeof(char));
//DWORD dwread;
//ReadFile(hFile, text, dwsz, &dwread, NULL);
for (std::vector<ScriptRecord*>::iterator is = srset.begin(); is != srset.end(); is++) {
ScriptRecord* sr = *is;
if (luaL_loadbuffer(L, sr->script.c_str(), sr->script.size(), name) != 0) {
//free(text);
//rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvCloseHFile(hFile);
loaderror(L, name);
return 0;
}
}
//free(text);
//rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvCloseHFile(hFile);
//luaJIT_setmode(L, -1, LUAJIT_MODE_FUNC|LUAJIT_MODE_OFF);
return 1;
}
static int lj_cf_package_loader_croot(lua_State *L)
{
const char *funcname;
const char *filename;
const char *name = luaL_checkstring(L, 1);
const char *p = strchr(name, '.');
int stat;
if (p == NULL) return 0; /* is root */
lua_pushlstring(L, name, (size_t)(p - name));
filename = findfile(L, lua_tostring(L, -1), "cpath");
if (filename == NULL) return 1; /* root not found */
funcname = mkfuncname(L, name);
if ((stat = ll_loadfunc(L, filename, funcname)) != 0) {
if (stat != PACKAGE_ERR_FUNC) loaderror(L, filename); /* real error */
lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS,
name, filename);
return 1; /* function not found */
}
return 1;
}
extern "C" int loader_XC (lua_State *L) {
const char *funcname;
const char *filename;
const char *name = luaL_checkstring(L, 1);
filename = x_findfile(L, name, "cpath");
if (filename == NULL) return 1; /* library not found in this path */
char* tpath = (char*) calloc(_MAX_PATH, sizeof(char));
LPRDATA rdPtr = XLuaGlobal::Get().GetStateByState(L)->rdList.front()->rdPtr;
rdPtr->rHo.hoAdRunHeader->rh4.rh4Mv->mvGetFile(filename, tpath, 0);
funcname = mkfuncname(L, name);
if (ll_loadfunc(L, tpath, funcname) != 0) {
free(tpath);
loaderror(L, filename);
return 0;
}
free(tpath);
return 1;
}
qc_program_t* prog_load(const char *filename, bool skipversion)
{
prog_header_t header;
qc_program_t *prog;
FILE *file = fopen(filename, "rb");
/* we need all those in order to support INSTR_STATE: */
bool has_self = false,
has_time = false,
has_think = false,
has_nextthink = false,
has_frame = false;
if (!file)
return nullptr;
if (fread(&header, sizeof(header), 1, file) != 1) {
loaderror("failed to read header from '%s'", filename);
fclose(file);
return nullptr;
}
util_swap_header(header);
if (!skipversion && header.version != 6) {
loaderror("header says this is a version %i progs, we need version 6\n", header.version);
fclose(file);
return nullptr;
}
prog = (qc_program_t*)mem_a(sizeof(qc_program_t));
if (!prog) {
fclose(file);
fprintf(stderr, "failed to allocate program data\n");
return nullptr;
}
memset(prog, 0, sizeof(*prog));
prog->entityfields = header.entfield;
prog->crc16 = header.crc16;
prog->filename = util_strdup(filename);
if (!prog->filename) {
loaderror("failed to store program name");
goto error;
}
#define read_data(hdrvar, progvar, reserved) \
if (fseek(file, header.hdrvar.offset, SEEK_SET) != 0) { \
loaderror("seek failed"); \
goto error; \
} \
prog->progvar.resize(header.hdrvar.length + reserved); \
if (fread( \
&prog->progvar[0], \
sizeof(prog->progvar[0]), \
header.hdrvar.length, \
file \
)!= header.hdrvar.length \
) { \
loaderror("read failed"); \
goto error; \
}
#define read_data1(x) read_data(x, x, 0)
#define read_data2(x, y) read_data(x, x, y)
read_data (statements, code, 0);
read_data1(defs);
read_data1(fields);
read_data1(functions);
read_data1(strings);
read_data2(globals, 2); /* reserve more in case a RETURN using with the global at "the end" exists */
util_swap_statements(prog->code);
util_swap_defs_fields(prog->defs);
util_swap_defs_fields(prog->fields);
util_swap_functions(prog->functions);
util_swap_globals(prog->globals);
fclose(file);
/* profile counters */
memset(vec_add(prog->profile, prog->code.size()), 0, sizeof(prog->profile[0]) * prog->code.size());
/* Add tempstring area */
prog->tempstring_start = prog->strings.size();
prog->tempstring_at = prog->strings.size();
prog->strings.resize(prog->strings.size() + 16*1024, '\0');
/* spawn the world entity */
vec_push(prog->entitypool, true);
memset(vec_add(prog->entitydata, prog->entityfields), 0, prog->entityfields * sizeof(prog->entitydata[0]));
prog->entities = 1;
/* cache some globals and fields from names */
for (auto &it : prog->defs) {
const char *name = prog_getstring(prog, it.name);
if (!strcmp(name, "self")) {
prog->cached_globals.self = it.offset;
has_self = true;
}
else if (!strcmp(name, "time")) {
prog->cached_globals.time = it.offset;
has_time = true;
}
}
for (auto &it : prog->fields) {
const char *name = prog_getstring(prog, it.name);
if (!strcmp(name, "think")) {
prog->cached_fields.think = it.offset;
has_think = true;
}
else if (!strcmp(name, "nextthink")) {
prog->cached_fields.nextthink = it.offset;
has_nextthink = true;
}
else if (!strcmp(name, "frame")) {
prog->cached_fields.frame = it.offset;
has_frame = true;
}
}
if (has_self && has_time && has_think && has_nextthink && has_frame)
prog->supports_state = true;
return prog;
error:
if (prog->filename)
mem_d(prog->filename);
vec_free(prog->entitydata);
vec_free(prog->entitypool);
mem_d(prog);
fclose(file);
return nullptr;
}
qc_program* prog_load(const char *filename)
{
qc_program *prog;
prog_header header;
FILE *file;
file = util_fopen(filename, "rb");
if (!file)
return NULL;
if (fread(&header, sizeof(header), 1, file) != 1) {
loaderror("failed to read header from '%s'", filename);
fclose(file);
return NULL;
}
if (header.version != 6) {
loaderror("header says this is a version %i progs, we need version 6\n", header.version);
fclose(file);
return NULL;
}
prog = (qc_program*)mem_a(sizeof(qc_program));
if (!prog) {
fclose(file);
printf("failed to allocate program data\n");
return NULL;
}
memset(prog, 0, sizeof(*prog));
prog->entityfields = header.entfield;
prog->crc16 = header.crc16;
prog->filename = util_strdup(filename);
if (!prog->filename) {
loaderror("failed to store program name");
goto error;
}
#define read_data(hdrvar, progvar, reserved) \
if (fseek(file, header.hdrvar.offset, SEEK_SET) != 0) { \
loaderror("seek failed"); \
goto error; \
} \
if (fread(vec_add(prog->progvar, header.hdrvar.length + reserved), \
sizeof(*prog->progvar), \
header.hdrvar.length, file) \
!= header.hdrvar.length) \
{ \
loaderror("read failed"); \
goto error; \
}
#define read_data1(x) read_data(x, x, 0)
#define read_data2(x, y) read_data(x, x, y)
read_data (statements, code, 0);
read_data1(defs);
read_data1(fields);
read_data1(functions);
read_data1(strings);
read_data2(globals, 2); /* reserve more in case a RETURN using with the global at "the end" exists */
fclose(file);
/* profile counters */
memset(vec_add(prog->profile, vec_size(prog->code)), 0, sizeof(prog->profile[0]) * vec_size(prog->code));
/* Add tempstring area */
prog->tempstring_start = vec_size(prog->strings);
prog->tempstring_at = vec_size(prog->strings);
memset(vec_add(prog->strings, 16*1024), 0, 16*1024);
/* spawn the world entity */
vec_push(prog->entitypool, true);
memset(vec_add(prog->entitydata, prog->entityfields), 0, prog->entityfields * sizeof(prog->entitydata[0]));
prog->entities = 1;
return prog;
error:
if (prog->filename)
mem_d(prog->filename);
vec_free(prog->code);
vec_free(prog->defs);
vec_free(prog->fields);
vec_free(prog->functions);
vec_free(prog->strings);
vec_free(prog->globals);
vec_free(prog->entitydata);
vec_free(prog->entitypool);
mem_d(prog);
return NULL;
}
