/* Ordered compare of strings. Assumes string data is 4-byte aligned. */
int32_t LJ_FASTCALL lj_str_cmp(GCstr *a, GCstr *b)
{
MSize i, n = a->len > b->len ? b->len : a->len;
for (i = 0; i < n; i += 4) {
/* Note: innocuous access up to end of string + 3. */
uint32_t va = *(const uint32_t *)(strdata(a)+i);
uint32_t vb = *(const uint32_t *)(strdata(b)+i);
if (va != vb) {
#if LJ_LE
va = lj_bswap(va); vb = lj_bswap(vb);
#endif
i -= n;
if ((int32_t)i >= -3) {
va >>= 32+(i<<3); vb >>= 32+(i<<3);
if (va == vb) break;
}
return va < vb ? -1 : 1;
}
/* Check first argument for a C type and returns its ID. */
static CTypeID ffi_checkctype(lua_State *L, CTState *cts, TValue *param)
{
TValue *o = L->base;
if (!(o < L->top)) {
err_argtype:
lj_err_argtype(L, 1, "C type");
}
if (tvisstr(o)) { /* Parse an abstract C type declaration. */
GCstr *s = strV(o);
CPState cp;
int errcode;
cp.L = L;
cp.cts = cts;
cp.srcname = strdata(s);
cp.p = strdata(s);
cp.param = param;
cp.mode = CPARSE_MODE_ABSTRACT|CPARSE_MODE_NOIMPLICIT;
errcode = lj_cparse(&cp);
if (errcode) lj_err_throw(L, errcode); /* Propagate errors. */
return cp.val.id;
} else {
GCcdata *cd;
if (!tviscdata(o)) goto err_argtype;
if (param && param < L->top) lj_err_arg(L, 1, LJ_ERR_FFI_NUMPARAM);
cd = cdataV(o);
return cd->ctypeid == CTID_CTYPEID ? *(CTypeID *)cdataptr(cd) : cd->ctypeid;
}
}
/* Get redirected or mangled external symbol. */
static const char *clib_extsym(CTState *cts, CType *ct, GCstr *name)
{
if (ct->sib) {
CType *ctf = ctype_get(cts, ct->sib);
if (ctype_isxattrib(ctf->info, CTA_REDIR))
return strdata(gco2str(gcref(ctf->name)));
}
return strdata(name);
}
/* Bad conversion. */
LJ_NORET static void cconv_err_conv(CTState *cts, CType *d, CType *s,
CTInfo flags)
{
const char *dst = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, d), NULL));
const char *src;
if ((flags & CCF_FROMTV))
src = lj_obj_typename[1+(ctype_isnum(s->info) ? LUA_TNUMBER :
ctype_isarray(s->info) ? LUA_TSTRING : LUA_TNIL)];
else
src = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, s), NULL));
if (CCF_GETARG(flags))
lj_err_argv(cts->L, CCF_GETARG(flags), LJ_ERR_FFI_BADCONV, src, dst);
else
lj_err_callerv(cts->L, LJ_ERR_FFI_BADCONV, src, dst);
}
/* Handle ctype __index/__newindex metamethods. */
static int ffi_index_meta(lua_State *L, CTState *cts, CType *ct, MMS mm)
{
CTypeID id = ctype_typeid(cts, ct);
cTValue *tv = lj_ctype_meta(cts, id, mm);
TValue *base = L->base;
if (!tv) {
const char *s;
err_index:
s = strdata(lj_ctype_repr(L, id, NULL));
if (tvisstr(L->base+1))
lj_err_callerv(L, LJ_ERR_FFI_BADMEMBER, s, strVdata(L->base+1));
else
lj_err_callerv(L, LJ_ERR_FFI_BADIDX, s);
}
if (!tvisfunc(tv)) {
if (mm == MM_index) {
cTValue *o = lj_meta_tget(L, tv, base+1);
if (o) {
if (tvisnil(o)) goto err_index;
copyTV(L, L->top-1, o);
return 1;
}
} else {
TValue *o = lj_meta_tset(L, tv, base+1);
if (o) {
copyTV(L, o, base+2);
return 0;
}
}
tv = L->top-1;
}
return lj_meta_tailcall(L, tv);
}
Shader::Shader(GLenum Type,std::string filename)
{
shader_type = Type;
std::ifstream ifs(filename);
if(!ifs)
throw(std::runtime_error("File:"+filename+" not opened."));
std::ostringstream stream;
stream<<ifs.rdbuf();
std::string strdata = stream.str();
const GLchar* data = strdata.c_str();
handle = glCreateShader(shader_type);
glShaderSource(handle,1,static_cast<const GLchar**> (&data),0);
glCompileShader(handle);
int status;
glGetShaderiv(handle,GL_COMPILE_STATUS,&status);
if(status == GL_FALSE)
{
int loglength;
glGetShaderiv(handle,GL_INFO_LOG_LENGTH,&loglength);
auto data = new char[loglength];
glGetShaderInfoLog(handle,loglength,&loglength,data);
std::string strdata(data);
delete [] data;
throw(std::runtime_error(strdata));
}
}
static IOFileUD *io_file_open(lua_State *L, const char *mode)
{
const char *fname = strdata(lj_lib_checkstr(L, 1));
IOFileUD *iof = io_file_new(L);
iof->fp = fopen(fname, mode);
if (iof->fp == NULL)
luaL_argerror(L, 1, lj_str_pushf(L, "%s: %s", fname, strerror(errno)));
return iof;
}
/* Bad conversion from TValue. */
LJ_NORET static void cconv_err_convtv(CTState *cts, CType *d, TValue *o,
CTInfo flags)
{
const char *dst = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, d), NULL));
const char *src = lj_typename(o);
if (CCF_GETARG(flags))
lj_err_argv(cts->L, CCF_GETARG(flags), LJ_ERR_FFI_BADCONV, src, dst);
else
lj_err_callerv(cts->L, LJ_ERR_FFI_BADCONV, src, dst);
}
/* Index a C library by name. */
TValue *lj_clib_index(lua_State *L, CLibrary *cl, GCstr *name)
{
TValue *tv = lj_tab_setstr(L, cl->cache, name);
if (LJ_UNLIKELY(tvisnil(tv))) {
CTState *cts = ctype_cts(L);
CType *ct;
CTypeID id = lj_ctype_getname(cts, &ct, name, CLNS_INDEX);
if (!id)
lj_err_callerv(L, LJ_ERR_FFI_NODECL, strdata(name));
if (ctype_isconstval(ct->info)) {
CType *ctt = ctype_child(cts, ct);
lua_assert(ctype_isinteger(ctt->info) && ctt->size <= 4);
if ((ctt->info & CTF_UNSIGNED) && ctt->size == 4)
setnumV(tv, (lua_Number)(uint32_t)ct->size);
else
setnumV(tv, (lua_Number)(int32_t)ct->size);
} else {
const char *sym = clib_extsym(cts, ct, name);
void *p = clib_getsym(cl, sym);
GCcdata *cd;
lua_assert(ctype_isfunc(ct->info) || ctype_isextern(ct->info));
#if LJ_TARGET_X86 && LJ_ABI_WIN
/* Retry with decorated name for fastcall/stdcall functions. */
if (!p && ctype_isfunc(ct->info)) {
CTInfo cconv = ctype_cconv(ct->info);
if (cconv == CTCC_FASTCALL || cconv == CTCC_STDCALL) {
CTSize sz = clib_func_argsize(cts, ct);
sym = lj_str_pushf(L, cconv == CTCC_FASTCALL ? "@%s@%d" : "_%s@%d",
sym, sz);
L->top--;
p = clib_getsym(cl, sym);
}
}
#endif
if (!p)
clib_error(L, "cannot resolve symbol " LUA_QS ": %s", strdata(name));
cd = lj_cdata_new(cts, id, CTSIZE_PTR);
*(void **)cdataptr(cd) = p;
setcdataV(L, tv, cd);
}
}
return tv;
}
/* Check for a recognized ld script line. */
static const char *clib_check_lds(lua_State *L, const char *buf)
{
char *p, *e;
if ((!strncmp(buf, "GROUP", 5) || !strncmp(buf, "INPUT", 5)) &&
(p = strchr(buf, '('))) {
while (*++p == ' ') ;
for (e = p; *e && *e != ' ' && *e != ')'; e++) ;
return strdata(lj_str_new(L, p, e-p));
}
return NULL;
}
std::string RecipeManager::ReadRecipe(const std::string& recipe_name)
{
std::ifstream ifs(recipe_fullname(recipe_name));
if(!ifs.is_open())
return "";
std::istreambuf_iterator<char> beg(ifs), end;
std::string strdata(beg, end);
ifs.close();
return strdata;
}
static CTypeID argv2ctype(jit_State *J, TRef tr, cTValue *o)
{
if (tref_isstr(tr)) {
GCstr *s = strV(o);
CPState cp;
CTypeID oldtop;
/* Specialize to the string containing the C type declaration. */
emitir(IRTG(IR_EQ, IRT_STR), tr, lj_ir_kstr(J, s));
cp.L = J->L;
cp.cts = ctype_ctsG(J2G(J));
oldtop = cp.cts->top;
cp.srcname = strdata(s);
cp.p = strdata(s);
cp.mode = CPARSE_MODE_ABSTRACT|CPARSE_MODE_NOIMPLICIT;
if (lj_cparse(&cp) || cp.cts->top > oldtop) /* Avoid new struct defs. */
lj_trace_err(J, LJ_TRERR_BADTYPE);
return cp.val.id;
} else {
GCcdata *cd = argv2cdata(J, tr, o);
return cd->typeid == CTID_CTYPEID ? *(CTypeID *)cdataptr(cd) : cd->typeid;
}
}
int lj_lib_checkopt(lua_State *L, int narg, int def, const char *lst)
{
GCstr *s = def >= 0 ? lj_lib_optstr(L, narg) : lj_lib_checkstr(L, narg);
if (s) {
const char *opt = strdata(s);
MSize len = s->len;
int i;
for (i = 0; *(const uint8_t *)lst; i++) {
if (*(const uint8_t *)lst == len && memcmp(opt, lst+1, len) == 0)
return i;
lst += 1+*(const uint8_t *)lst;
}
lj_err_argv(L, narg, LJ_ERR_INVOPTM, opt);
}
return def;
}
static void *clib_loadlib(lua_State *L, const char *name, int global)
{
void *h = dlopen(clib_extname(L, name),
RTLD_LAZY | (global?RTLD_GLOBAL:RTLD_LOCAL));
if (!h) {
const char *e, *err = dlerror();
if (*err == '/' && (e = strchr(err, ':')) &&
(name = clib_resolve_lds(L, strdata(lj_str_new(L, err, e-err))))) {
h = dlopen(name, RTLD_LAZY | (global?RTLD_GLOBAL:RTLD_LOCAL));
if (h) return h;
err = dlerror();
}
lj_err_callermsg(L, err);
}
return h;
}
void lj_lex_error(LexState *ls, LexToken token, ErrMsg em, ...)
{
const char *tok;
va_list argp;
if (token == 0) {
tok = NULL;
} else if (token == TK_name || token == TK_string || token == TK_number) {
save(ls, '\0');
tok = ls->sb.buf;
} else {
tok = lj_lex_token2str(ls, token);
}
va_start(argp, em);
lj_err_lex(ls->L, strdata(ls->chunkname), tok, ls->linenumber, em, argp);
va_end(argp);
}
std::string JNITopend::planForFragmentId(int64_t fragmentId) {
VOLT_DEBUG("fetching plan for id %d", (int) fragmentId);
JNILocalFrameBarrier jni_frame = JNILocalFrameBarrier(m_jniEnv, 10);
if (jni_frame.checkResult() < 0) {
VOLT_ERROR("Unable to load dependency: jni frame error.");
throw std::exception();
}
jbyteArray jbuf = (jbyteArray)(m_jniEnv->CallObjectMethod(m_javaExecutionEngine,
m_planForFragmentIdMID,
fragmentId));
if (!jbuf) {
// this will be trapped later ;-)
return std::string("");
}
jsize length = m_jniEnv->GetArrayLength(jbuf);
if (length > 0) {
jboolean is_copy;
jbyte *bytes = m_jniEnv->GetByteArrayElements(jbuf, &is_copy);
// Add the plan buffer info to the stack object
// so it'll get cleaned up if loadTuplesFrom throws
jni_frame.addDependencyRef(is_copy, jbuf, bytes);
// make a null terminated copy
boost::scoped_array<char> strdata(new char[length + 1]);
memcpy(strdata.get(), bytes, length);
strdata.get()[length] = '\0';
return std::string(strdata.get());
}
else {
// this will be trapped later ;-)
return std::string("");
}
}
/* Helper for CAT. Coercion, iterative concat, __concat metamethod. */
TValue *lj_meta_cat(lua_State *L, TValue *top, int left)
{
int fromc = 0;
if (left < 0) { left = -left; fromc = 1; }
do {
if (!(tvisstr(top) || tvisnumber(top)) ||
!(tvisstr(top-1) || tvisnumber(top-1))) {
cTValue *mo = lj_meta_lookup(L, top-1, MM_concat);
if (tvisnil(mo)) {
mo = lj_meta_lookup(L, top, MM_concat);
if (tvisnil(mo)) {
if (tvisstr(top-1) || tvisnumber(top-1)) top++;
lj_err_optype(L, top-1, LJ_ERR_OPCAT);
return NULL; /* unreachable */
}
}
/* One of the top two elements is not a string, call __cat metamethod:
**
** before: [...][CAT stack .........................]
** top-1 top top+1 top+2
** pick two: [...][CAT stack ...] [o1] [o2]
** setup mm: [...][CAT stack ...] [cont|?] [mo|tmtype] [o1] [o2]
** in asm: [...][CAT stack ...] [cont|PC] [mo|delta] [o1] [o2]
** ^-- func base ^-- mm base
** after mm: [...][CAT stack ...] <--push-- [result]
** next step: [...][CAT stack .............]
*/
copyTV(L, top+2*LJ_FR2+2, top); /* Carefully ordered stack copies! */
copyTV(L, top+2*LJ_FR2+1, top-1);
copyTV(L, top+LJ_FR2, mo);
setcont(top-1, lj_cont_cat);
if (LJ_FR2) { setnilV(top); setnilV(top+2); top += 2; }
return top+1; /* Trigger metamethod call. */
} else {
/* Pick as many strings as possible from the top and concatenate them:
**
** before: [...][CAT stack ...........................]
** pick str: [...][CAT stack ...] [...... strings ......]
** concat: [...][CAT stack ...] [result]
** next step: [...][CAT stack ............]
*/
TValue *e, *o = top;
uint64_t tlen = tvisstr(o) ? strV(o)->len : STRFMT_MAXBUF_NUM;
char *p, *buf;
do {
o--; tlen += tvisstr(o) ? strV(o)->len : STRFMT_MAXBUF_NUM;
} while (--left > 0 && (tvisstr(o-1) || tvisnumber(o-1)));
if (tlen >= LJ_MAX_STR) lj_err_msg(L, LJ_ERR_STROV);
p = buf = lj_buf_tmp(L, (MSize)tlen);
for (e = top, top = o; o <= e; o++) {
if (tvisstr(o)) {
GCstr *s = strV(o);
MSize len = s->len;
p = lj_buf_wmem(p, strdata(s), len);
} else if (tvisint(o)) {
p = lj_strfmt_wint(p, intV(o));
} else {
lua_assert(tvisnum(o));
p = lj_strfmt_wnum(p, o);
}
}
setstrV(L, top, lj_str_new(L, buf, (size_t)(p-buf)));
}
} while (left >= 1);
if (LJ_UNLIKELY(G(L)->gc.total >= G(L)->gc.threshold)) {
if (!fromc) L->top = curr_topL(L);
lj_gc_step(L);
}
return NULL;
}
/* Handle string.byte (rd->data = 0) and string.sub (rd->data = 1). */
static void LJ_FASTCALL recff_string_range(jit_State *J, RecordFFData *rd)
{
TRef trstr = lj_ir_tostr(J, J->base[0]);
TRef trlen = emitir(IRTI(IR_FLOAD), trstr, IRFL_STR_LEN);
TRef tr0 = lj_ir_kint(J, 0);
TRef trstart, trend;
GCstr *str = argv2str(J, &rd->argv[0]);
int32_t start, end;
if (rd->data) { /* string.sub(str, start [,end]) */
start = argv2int(J, &rd->argv[1]);
trstart = lj_opt_narrow_toint(J, J->base[1]);
trend = J->base[2];
if (tref_isnil(trend)) {
trend = lj_ir_kint(J, -1);
end = -1;
} else {
trend = lj_opt_narrow_toint(J, trend);
end = argv2int(J, &rd->argv[2]);
}
} else { /* string.byte(str, [,start [,end]]) */
if (J->base[1]) {
start = argv2int(J, &rd->argv[1]);
trstart = lj_opt_narrow_toint(J, J->base[1]);
trend = J->base[2];
if (tref_isnil(trend)) {
trend = trstart;
end = start;
} else {
trend = lj_opt_narrow_toint(J, trend);
end = argv2int(J, &rd->argv[2]);
}
} else {
trend = trstart = lj_ir_kint(J, 1);
end = start = 1;
}
}
if (end < 0) {
emitir(IRTGI(IR_LT), trend, tr0);
trend = emitir(IRTI(IR_ADD), emitir(IRTI(IR_ADD), trlen, trend),
lj_ir_kint(J, 1));
end = end+(int32_t)str->len+1;
} else if ((MSize)end <= str->len) {
emitir(IRTGI(IR_ULE), trend, trlen);
} else {
emitir(IRTGI(IR_GT), trend, trlen);
end = (int32_t)str->len;
trend = trlen;
}
if (start < 0) {
emitir(IRTGI(IR_LT), trstart, tr0);
trstart = emitir(IRTI(IR_ADD), trlen, trstart);
start = start+(int32_t)str->len;
emitir(start < 0 ? IRTGI(IR_LT) : IRTGI(IR_GE), trstart, tr0);
if (start < 0) {
trstart = tr0;
start = 0;
}
} else {
if (start == 0) {
emitir(IRTGI(IR_EQ), trstart, tr0);
trstart = tr0;
} else {
trstart = emitir(IRTI(IR_ADD), trstart, lj_ir_kint(J, -1));
emitir(IRTGI(IR_GE), trstart, tr0);
start--;
}
}
if (rd->data) { /* Return string.sub result. */
if (end - start >= 0) {
/* Also handle empty range here, to avoid extra traces. */
TRef trptr, trslen = emitir(IRTI(IR_SUB), trend, trstart);
emitir(IRTGI(IR_GE), trslen, tr0);
trptr = emitir(IRT(IR_STRREF, IRT_P32), trstr, trstart);
J->base[0] = emitir(IRT(IR_SNEW, IRT_STR), trptr, trslen);
} else { /* Range underflow: return empty string. */
emitir(IRTGI(IR_LT), trend, trstart);
J->base[0] = lj_ir_kstr(J, lj_str_new(J->L, strdata(str), 0));
}
} else { /* Return string.byte result(s). */
ptrdiff_t i, len = end - start;
if (len > 0) {
TRef trslen = emitir(IRTI(IR_SUB), trend, trstart);
emitir(IRTGI(IR_EQ), trslen, lj_ir_kint(J, (int32_t)len));
if (J->baseslot + len > LJ_MAX_JSLOTS)
lj_trace_err_info(J, LJ_TRERR_STACKOV);
rd->nres = len;
for (i = 0; i < len; i++) {
TRef tmp = emitir(IRTI(IR_ADD), trstart, lj_ir_kint(J, (int32_t)i));
tmp = emitir(IRT(IR_STRREF, IRT_P32), trstr, tmp);
J->base[i] = emitir(IRT(IR_XLOAD, IRT_U8), tmp, IRXLOAD_READONLY);
}
} else { /* Empty range or range underflow: return no results. */
emitir(IRTGI(IR_LE), trend, trstart);
rd->nres = 0;
}
}
}
/* Initializer overflow. */
LJ_NORET static void cconv_err_initov(CTState *cts, CType *d)
{
const char *dst = strdata(lj_ctype_repr(cts->L, ctype_typeid(cts, d), NULL));
lj_err_callerv(cts->L, LJ_ERR_FFI_INITOV, dst);
}
/* Index C data by a TValue. Return CType and pointer. */
CType *lj_cdata_index(CTState *cts, GCcdata *cd, cTValue *key, uint8_t **pp,
CTInfo *qual)
{
uint8_t *p = (uint8_t *)cdataptr(cd);
CType *ct = ctype_get(cts, cd->ctypeid);
ptrdiff_t idx;
/* Resolve reference for cdata object. */
if (ctype_isref(ct->info)) {
lua_assert(ct->size == CTSIZE_PTR);
p = *(uint8_t **)p;
ct = ctype_child(cts, ct);
}
collect_attrib:
/* Skip attributes and collect qualifiers. */
while (ctype_isattrib(ct->info)) {
if (ctype_attrib(ct->info) == CTA_QUAL) *qual |= ct->size;
ct = ctype_child(cts, ct);
}
lua_assert(!ctype_isref(ct->info)); /* Interning rejects refs to refs. */
if (tvisint(key)) {
idx = (ptrdiff_t)intV(key);
goto integer_key;
} else if (tvisnum(key)) { /* Numeric key. */
#ifdef _MSC_VER
/* Workaround for MSVC bug. */
volatile
#endif
lua_Number n = numV(key);
idx = LJ_64 ? (ptrdiff_t)n : (ptrdiff_t)lj_num2int(n);
integer_key:
if (ctype_ispointer(ct->info)) {
CTSize sz = lj_ctype_size(cts, ctype_cid(ct->info)); /* Element size. */
if (sz == CTSIZE_INVALID)
lj_err_caller(cts->L, LJ_ERR_FFI_INVSIZE);
if (ctype_isptr(ct->info)) {
p = (uint8_t *)cdata_getptr(p, ct->size);
} else if ((ct->info & (CTF_VECTOR|CTF_COMPLEX))) {
if ((ct->info & CTF_COMPLEX)) idx &= 1;
*qual |= CTF_CONST; /* Valarray elements are constant. */
}
*pp = p + idx*(int32_t)sz;
return ct;
}
} else if (tviscdata(key)) { /* Integer cdata key. */
GCcdata *cdk = cdataV(key);
CType *ctk = ctype_raw(cts, cdk->ctypeid);
if (ctype_isenum(ctk->info)) ctk = ctype_child(cts, ctk);
if (ctype_isinteger(ctk->info)) {
lj_cconv_ct_ct(cts, ctype_get(cts, CTID_INT_PSZ), ctk,
(uint8_t *)&idx, cdataptr(cdk), 0);
goto integer_key;
}
} else if (tvisstr(key)) { /* String key. */
GCstr *name = strV(key);
if (ctype_isstruct(ct->info)) {
CTSize ofs;
CType *fct = lj_ctype_getfieldq(cts, ct, name, &ofs, qual);
if (fct) {
*pp = p + ofs;
return fct;
}
} else if (ctype_iscomplex(ct->info)) {
if (name->len == 2) {
*qual |= CTF_CONST; /* Complex fields are constant. */
if (strdata(name)[0] == 'r' && strdata(name)[1] == 'e') {
*pp = p;
return ct;
} else if (strdata(name)[0] == 'i' && strdata(name)[1] == 'm') {
*pp = p + (ct->size >> 1);
return ct;
}
}
} else if (cd->ctypeid == CTID_CTYPEID) {
/* Load a C library. */
void lj_clib_load(lua_State *L, GCtab *mt, GCstr *name, int global)
{
void *handle = clib_loadlib(L, strdata(name), global);
CLibrary *cl = clib_new(L, mt);
cl->handle = handle;
}
