TmFrame* push_frame(Object fnc) {
/* make extra space for self in method call */
Object *top = tm->frame->top + 2;
tm->frame ++ ;
TmFrame* f = tm->frame;
/* check oprand stack */
if (top >= tm->stack + STACK_SIZE) {
pop_frame();
tm_raise("tm_eval: stack overflow");
}
/* check frame stack*/
if (tm->frame >= tm->frames + FRAMES_COUNT-1) {
pop_frame();
tm_raise("tm_eval: frame overflow");
}
f->pc = GET_FUNCTION(fnc)->code;
f->locals = top;
f->maxlocals = get_function_max_locals(GET_FUNCTION(fnc));
f->stack = f->locals + f->maxlocals;
f->top = f->stack;
f->fnc = fnc;
// clear local variables
int i;for(i = 0; i < f->maxlocals; i++) {
f->locals[i] = NONE_OBJECT;
}
*(f->top) = NONE_OBJECT;
f->jmp = NULL;
return f;
}
int obj_equals(Object a, Object b){
if(TM_TYPE(a) != TM_TYPE(b)) return 0;
switch(TM_TYPE(a)){
case TYPE_NUM:return GET_NUM(a) == GET_NUM(b);
case TYPE_STR: {
String* s1 = GET_STR_OBJ(a);
String* s2 = GET_STR_OBJ(b);
return s1->value == s2->value ||
(s1->len == s2->len && strncmp(s1->value, s2->value, s1->len) == 0);
}
case TYPE_LIST: {
if(GET_LIST(a) == GET_LIST(b)) return 1;
int i;
int len = GET_LIST(a)->len;
Object* nodes1 = GET_LIST(a)->nodes;
Object* nodes2 = GET_LIST(b)->nodes;
for(i = 0; i < len; i++){
if(!obj_equals(nodes1[i], nodes2[i]) ){
return 0;
}
}
return 1;
}
case TYPE_NONE:return 1;
case TYPE_DICT:return GET_DICT(a) == GET_DICT(b);
case TYPE_FUNCTION: return GET_FUNCTION(a) == GET_FUNCTION(b);
default: {
const char* ltype = tm_type(a.type);
const char* rtype = tm_type(b.type);
tm_raise("equals(): not supported type %d:%s and %d:%s", TM_TYPE(a), ltype, TM_TYPE(b), rtype);
}
}
return 0;
}
/**
* @since 2016-11-20
*/
Object tm_load_module(Object file, Object code, Object name) {
Object mod = module_new(file, name, code);
Object fnc = func_new(mod, NONE_OBJECT, NULL);
GET_FUNCTION(fnc)->code = (unsigned char*) GET_STR(code);
GET_FUNCTION(fnc)->name = string_new("#main");
call_function(fnc);
return GET_MODULE(mod)->globals;
}
Object call_function(Object func) {
Object ret;
if (IS_FUNC(func)) {
resolve_method_self(func);
/* call native */
if (GET_FUNCTION(func)->native != NULL) {
return GET_FUNCTION(func)->native();
} else {
TmFrame* f = push_frame(func);
/*
if (GET_FUNCTION(func)->modifier == 0) {
return tm_eval(f);
}*/
L_recall:
if (setjmp(f->buf)==0) {
return tm_eval(f);
} else {
f = tm->frame;
/* handle exception in this frame */
if (f->jmp != NULL) {
f->pc = f->jmp;
f->jmp = NULL;
goto L_recall;
/* there is no handler, throw to last frame */
} else {
push_exception(f);
tm->frame--;
longjmp(tm->frame->buf, 1);
}
}
}
} else if (IS_DICT(func)) {
ret = class_new(func);
Object *_fnc = dict_get_by_str(ret, "__init__");
if (_fnc != NULL) {
call_function(*_fnc);
}
return ret;
}
tm_raise("File %o, line=%d: call_function:invalid object %o", GET_FUNCTION_FILE(tm->frame->fnc),
tm->frame->lineno, func);
return NONE_OBJECT;
}
Object obj_get(Object self, Object k) {
Object v;
switch (TM_TYPE(self)) {
case TYPE_STR: {
DictNode* node;
if (TM_TYPE(k) == TYPE_NUM) {
double d = GET_NUM(k);
int n = d;
if (n < 0) {
n += GET_STR_LEN(self);
}
if (n >= GET_STR_LEN(self) || n < 0)
tm_raise("String_get: index overflow ,len=%d,index=%d, str=%o",
GET_STR_LEN(self), n, self);
return string_chr(0xff & GET_STR(self)[n]);
} else if ((node = dict_get_node(GET_DICT(tm->str_proto), k)) != NULL) {
return method_new(node->val, self);
}
break;
}
case TYPE_LIST:{
DictNode* node;
if (TM_TYPE(k) == TYPE_NUM) {
return list_get(GET_LIST(self), GET_NUM(k));
} else if ((node = dict_get_node(GET_DICT(tm->list_proto), k))!=NULL) {
return method_new(node->val, self);
}
break;
}
case TYPE_DICT:{
DictNode* node;
node = dict_get_node(GET_DICT(self), k);
if (node != NULL) {
return node->val;
} else if ((node = dict_get_node(GET_DICT(tm->dict_proto), k))!=NULL) {
return method_new(node->val, self);
}
break;
}
case TYPE_FUNCTION:
return get_func_attr(GET_FUNCTION(self), k);
case TYPE_DATA:
return GET_DATA(self)->get(GET_DATA(self), k);
}
tm_raise("keyError %o", k);
return NONE_OBJECT;
}
bool ExternalReader::m_libload(void)
{
bool r = false;
if (!m_hLib) {
#if defined(WIN32)
#if defined(_DEBUG) || defined(DEBUG)
m_hLib = LOAD_LIBRARY("externalReaderd.dll");
#else
m_hLib = LOAD_LIBRARY("externalReader.dll");
#endif
#elif defined(__APPLE__)
m_hLib = LOAD_LIBRARY("libexternalReader.dylib");
#else
m_hLib = LOAD_LIBRARY("libexternalReader.so");
#endif
if (m_hLib) {
m_hOpen = (CardReaderOpen_t) GET_FUNCTION(m_hLib, CardReaderOpen);
m_hSend = (CardReaderSend_t) GET_FUNCTION(m_hLib, CardReaderSend);
m_hGetATR = (CardReaderGetATR_t) GET_FUNCTION(m_hLib, CardReaderGetATR);
m_hSupportsPACE = (CardReaderSupportsPACE_t) GET_FUNCTION(m_hLib, CardReaderSupportsPACE);
m_hDoPACE = (CardReaderDoPACE_t) GET_FUNCTION(m_hLib, CardReaderDoPACE);
m_hClose = (CardReaderClose_t) GET_FUNCTION(m_hLib, CardReaderClose);
} else {
eCardCore_warn(DEBUG_LEVEL_CARD, "could not load external reader library");
}
}
if (!m_hLib || !m_hOpen || !m_hSend || !m_hGetATR || !m_hSupportsPACE || !m_hDoPACE || !m_hClose) {
eCardCore_warn(DEBUG_LEVEL_CARD, "could not load external reader library functions");
m_libcleanup();
} else {
r = true;
}
return r;
}
BOOL
get_real_driver_functions(PSplitterContext ctx) {
BOOL result;
result = FALSE;
do {
GET_FUNCTION(ctx, COM_Init, TRUE);
GET_FUNCTION(ctx, COM_PreDeinit, FALSE);
GET_FUNCTION(ctx, COM_Deinit, TRUE);
GET_FUNCTION(ctx, COM_Open, TRUE);
GET_FUNCTION(ctx, COM_Close, TRUE);
GET_FUNCTION(ctx, COM_Read, TRUE);
GET_FUNCTION(ctx, COM_Write, TRUE);
GET_FUNCTION(ctx, COM_Seek, FALSE);
GET_FUNCTION(ctx, COM_PowerUp, TRUE);
GET_FUNCTION(ctx, COM_PowerDown, TRUE);
GET_FUNCTION(ctx, COM_IOControl, TRUE);
result = TRUE;
} while (0);
return result;
}
/**
** evaluate byte code.
** @param f: Frame
** @return evaluated value.
*/
Object tm_eval(TmFrame* f) {
Object* locals = f->locals;
Object* top = f->stack;
Object cur_fnc = f->fnc;
Object globals = get_globals(cur_fnc);
// TODO use code cache to replace unsigned char*
unsigned char* pc = f->pc;
const char* func_name_sz = get_func_name_sz(cur_fnc);
Object x, k, v;
Object ret = NONE_OBJECT;
int i;
#if INTERP_DB
printf("File \"%s\": enter function %s\n",get_func_file_sz(cur_fnc), get_func_name_sz(cur_fnc));
#endif
while (1) {
i = (pc[1] << 8) | pc[2];
#if INTERP_DB
printf("%30s%2d: %d frame = %d, top = %d\n","", pc[0], i, tm->cur, (int) (top - f->stack));
#endif
switch (pc[0]) {
case OP_NUMBER: {
double d = atof((char*)pc + 3);
pc += i;
v = tm_number(d);
/* obj_append(tm->constants,v);*/
dict_set(tm->constants, v, NONE_OBJECT);
break;
}
case OP_STRING: {
v = string_alloc((char*)pc + 3, i);
pc += i;
/* obj_append(tm->constants,v); */
dict_set(tm->constants, v, NONE_OBJECT);
break;
}
case OP_IMPORT: {
// TODO
// tm_import(globals)
Object import_func = tm_get_global(globals, "_import");
arg_start();
arg_push(globals);
Object modname, attr;
if (i == 1) {
modname = TM_POP();
arg_push(modname); // arg1
} else {
attr = TM_POP();
modname = TM_POP();
arg_push(modname);
arg_push(attr);
}
call_function(import_func);
break;
}
case OP_CONSTANT: {
TM_PUSH(GET_CONST(i));
break;
}
case OP_NONE: {
TM_PUSH(NONE_OBJECT);
break;
}
case OP_LOAD_LOCAL: {
TM_PUSH(locals[i]);
break;
}
case OP_STORE_LOCAL:
locals[i] = TM_POP();
break;
case OP_LOAD_GLOBAL: {
/* tm_printf("load global %o\n", GET_CONST(i)); */
int idx = dict_get_attr(GET_DICT(globals), i);
if (idx == -1) {
idx = dict_get_attr(GET_DICT(tm->builtins), i);
if (idx == -1) {
tm_raise("NameError: name %o is not defined", GET_CONST(i));
} else {
Object value = GET_DICT(tm->builtins)->nodes[idx].val;
// OPTIMIZE
// set the builtin to `globals()`
obj_set(globals, GET_CONST(i), value);
idx = dict_get_attr(GET_DICT(globals), i);
pc[0] = OP_FAST_LD_GLO;
code16(pc+1, idx);
// OPTIMIZE END
TM_PUSH(value);
}
} else {
TM_PUSH(GET_DICT(globals)->nodes[idx].val);
pc[0] = OP_FAST_LD_GLO;
code16(pc+1, idx);
}
break;
}
case OP_STORE_GLOBAL: {
x = TM_POP();
int idx = dict_set_attr(GET_DICT(globals), i, x);
pc[0] = OP_FAST_ST_GLO;
code16(pc+1, idx);
break;
}
case OP_FAST_LD_GLO: {
TM_PUSH(GET_DICT(globals)->nodes[i].val);
break;
}
case OP_FAST_ST_GLO: {
GET_DICT(globals)->nodes[i].val = TM_POP();
break;
}
case OP_LIST: {
TM_PUSH(list_new(2));
FRAME_CHECK_GC();
break;
}
case OP_APPEND:
v = TM_POP();
x = TM_TOP();
tm_assert(IS_LIST(x), "tm_eval: OP_APPEND require list");
list_append(GET_LIST(x), v);
break;
case OP_DICT_SET:
v = TM_POP();
k = TM_POP();
x = TM_TOP();
tm_assert(IS_DICT(x), "tm_eval: OP_DICT_SET require dict");
obj_set(x, k, v);
break;
case OP_DICT: {
TM_PUSH(dict_new());
FRAME_CHECK_GC();
break;
}
TM_OP(OP_ADD, obj_add)
TM_OP(OP_SUB, obj_sub)
TM_OP(OP_MUL, obj_mul)
TM_OP(OP_DIV, obj_div)
TM_OP(OP_MOD, obj_mod)
TM_OP(OP_GET, obj_get)
case OP_SLICE: {
Object second = TM_POP();
Object first = TM_POP();
*top = obj_slice(*top, first, second);
break;
}
case OP_EQEQ: { *(top-1) = tm_number(obj_equals(*(top-1), *top)); top--; break; }
case OP_NOTEQ: { *(top-1) = tm_number(!obj_equals(*(top-1), *top)); top--; break; }
case OP_LT: {
*(top-1) = tm_number(obj_cmp(*(top-1), *top)<0);
top--;
break;
}
case OP_LTEQ: {
*(top-1) = tm_number(obj_cmp(*(top-1), *top)<=0);
top--;
break;
}
case OP_GT: {
*(top-1) = tm_number(obj_cmp(*(top-1), *top)>0);
top--;
break;
}
case OP_GTEQ: {
*(top-1) = tm_number(obj_cmp(*(top-1), *top)>=0);
top--;
break;
}
case OP_IN: {
*(top-1) = tm_number(obj_in(*(top-1), *top));
top--;
break;
}
case OP_AND: {
*(top-1) = tm_number(is_true_obj(*(top-1)) && is_true_obj(*top));
top--;
break;
}
case OP_OR: {
*(top-1) = tm_number(is_true_obj(*(top-1)) || is_true_obj(*top));
top--;
break;
}
case OP_NOT:{
*top = tm_number(!is_true_obj(*top));
break;
}
case OP_SET:
k = TM_POP();
x = TM_POP();
v = TM_POP();
#if INTERP_DB
tm_printf("Self %o, Key %o, Val %o\n", x, k, v);
#endif
obj_set(x, k, v);
break;
case OP_POP: {
top--;
break;
}
case OP_NEG:
TM_TOP() = obj_neg(TM_TOP());
break;
case OP_CALL: {
f->top = top;
top -= i;
arg_set_arguments(top + 1, i);
Object func = TM_POP();
TM_PUSH(call_function(func));
// TM_PUSH(call_function(func));
tm->frame = f;
FRAME_CHECK_GC();
break;
}
case OP_APPLY: {
f->top = top;
Object args = TM_POP();
tm_assert_type(args, TYPE_LIST, "tm_eval: OP_APPLY");
arg_set_arguments(LIST_NODES(args), LIST_LEN(args));
Object func = TM_POP();
x = call_function(func);
TM_PUSH(x);
tm->frame = f;
FRAME_CHECK_GC();
break;
}
case OP_LOAD_PARAMS: {
int parg = pc[1];
int varg = pc[2];
if (tm->arg_cnt < parg || tm->arg_cnt > parg + varg) {
tm_raise("ArgError,parg=%d,varg=%d,given=%d",
parg, varg, tm->arg_cnt);
}
for(i = 0; i < tm->arg_cnt; i++){
locals[i] = tm->arguments[i];
}
break;
}
case OP_LOAD_PARG: {
int parg = i;
for (i = 0; i < parg; i++) {
locals[i] = arg_take_obj(func_name_sz);
}
break;
}
case OP_LOAD_NARG: {
int arg_index = i;
Object list = list_new(tm->arg_cnt);
while (arg_remains() > 0) {
obj_append(list, arg_take_obj(func_name_sz));
}
locals[arg_index] = list;
break;
}
case OP_ITER: {
*top = iter_new(*top);
break;
}
case OP_NEXT: {
Object *next = next_ptr(*top);
if (next != NULL) {
TM_PUSH(*next);
break;
} else {
pc += i * 3;
continue;
}
break;
}
case OP_DEF: {
Object mod = GET_FUNCTION(cur_fnc)->mod;
Object fnc = func_new(mod, NONE_OBJECT, NULL);
pc = func_resolve(GET_FUNCTION(fnc), pc);
GET_FUNCTION_NAME(fnc) = GET_CONST(i);
TM_PUSH(fnc);
continue;
}
case OP_RETURN: {
ret = TM_POP();
goto end;
}
case OP_ROT: {
int half = i / 2;
int j;
for (j = 0; j < half; j++) {
Object temp = *(top - j);
*(top-j) = *(top - i + j + 1);
*(top-i+j+1) = temp;
}
break;
}
case OP_UNPACK: {
x = TM_POP();
tm_assert_type(x, TYPE_LIST, "tm_eval:UNPACK");
int j;
for(j = LIST_LEN(x)-1; j >= 0; j--) {
TM_PUSH(LIST_GET(x, j));
}
break;
}
case OP_DEL: {
k = TM_POP();
x = TM_POP();
obj_del(x, k);
break;
}
case OP_POP_JUMP_ON_FALSE: {
if (!is_true_obj(TM_POP())) {
pc += i * 3;
continue;
}
break;
}
case OP_JUMP_ON_TRUE: {
if (is_true_obj(TM_TOP())) {
pc += i * 3;
continue;
}
break;
}
case OP_JUMP_ON_FALSE: {
if (!is_true_obj(TM_TOP())) {
pc += i * 3;
continue;
}
break;
}
case OP_UP_JUMP:
pc -= i * 3;
continue;
case OP_JUMP:
pc += i * 3;
continue;
case OP_EOP:
case OP_EOF: {
ret = NONE_OBJECT;
goto end;
}
case OP_LOAD_EX: { top = f->last_top; TM_PUSH(tm->ex); break; }
case OP_SETJUMP: { f->last_top = top; f->jmp = pc + i * 3; break; }
case OP_CLR_JUMP: { f->jmp = NULL; break;}
case OP_LINE: { f->lineno = i; break;}
case OP_DEBUG: {
#if 0
Object fdebug = tm_get_global(globals, "__debug__");
f->top = top;
tm_call(0, fdebug, 1, tm_number(tm->frame - tm->frames));
break;
#endif
}
case OP_FILE: {
// module name here.
break;
}
default:
tm_raise("BAD INSTRUCTION, %d\n globals() = \n%o", pc[0],
GET_FUNCTION_GLOBALS(f->fnc));
goto end;
}
pc += 3;
}
end:
/*
if (top != f->stack) {
tm_raise("tm_eval: operand stack overflow");
}*/
pop_frame();
return ret;
}
