uint32_t _jswrap_io_peek(JsVarInt addr, int wordSize) {
if (wordSize==1) return READ_FLASH_UINT8((char*)(size_t)addr);
if (wordSize==2) {
return READ_FLASH_UINT8((char*)(size_t)addr) | (uint32_t)(READ_FLASH_UINT8((char*)(size_t)(addr+1)) << 8);
}
if (wordSize==4) return (uint32_t)*(unsigned int*)(size_t)addr;
return 0;
}
void _jswrap_object_keys_or_property_names_iterator(
const JswSymList *symbols,
void (*callback)(void *data, JsVar *name),
void *data) {
if (!symbols) return;
unsigned int i;
unsigned char symbolCount = READ_FLASH_UINT8(&symbols->symbolCount);
for (i=0;i<symbolCount;i++) {
unsigned short strOffset = READ_FLASH_UINT16(&symbols->symbols[i].strOffset);
#ifndef USE_FLASH_MEMORY
JsVar *name = jsvNewFromString(&symbols->symbolChars[strOffset]);
#else
// On the esp8266 the string is in flash, so we have to copy it to RAM first
// We can't use flash_strncpy here because it assumes that strings start on a word
// boundary and that's not the case here.
char buf[64], *b = buf, c; const char *s = &symbols->symbolChars[strOffset];
do { c = READ_FLASH_UINT8(s++); *b++ = c; } while (c && b != buf+64);
JsVar *name = jsvNewFromString(buf);
#endif
//os_printf_plus("OBJ cb %s\n", buf);
callback(data, name);
jsvUnLock(name);
}
}
/** This is for Object.keys and Object. However it uses a callback so doesn't allocate anything */
void jswrap_object_keys_or_property_names_cb(
JsVar *obj,
bool includeNonEnumerable, ///< include 'hidden' items
bool includePrototype, ///< include items for the prototype too (for autocomplete)
void (*callback)(void *data, JsVar *name),
void *data
) {
// strings are iterable, but we shouldn't try and show keys for them
if (jsvIsIterable(obj)) {
JsvIsInternalChecker checkerFunction = jsvGetInternalFunctionCheckerFor(obj);
JsvIterator it;
jsvIteratorNew(&it, obj);
while (jsvIteratorHasElement(&it)) {
JsVar *key = jsvIteratorGetKey(&it);
if (!(checkerFunction && checkerFunction(key)) || (jsvIsStringEqual(key, JSPARSE_CONSTRUCTOR_VAR))) {
/* Not sure why constructor is included in getOwnPropertyNames, but
* not in for (i in ...) but it is, so we must explicitly override the
* check in jsvIsInternalObjectKey! */
JsVar *name = jsvAsArrayIndexAndUnLock(jsvCopyNameOnly(key, false, false));
if (name) {
callback(data, name);
jsvUnLock(name);
}
}
jsvUnLock(key);
jsvIteratorNext(&it);
}
jsvIteratorFree(&it);
}
/* Search our built-in symbol table
Assume that ALL builtins are non-enumerable. This isn't great but
seems to work quite well right now! */
if (includeNonEnumerable) {
const JswSymList *symbols = 0;
JsVar *protoOwner = jspGetPrototypeOwner(obj);
if (protoOwner) {
// If protoOwner then this is the prototype (protoOwner is the object)
symbols = jswGetSymbolListForObjectProto(protoOwner);
jsvUnLock(protoOwner);
} else if (!jsvIsObject(obj) || jsvIsRoot(obj)) {
// get symbols, but only if we're not doing it on a basic object
symbols = jswGetSymbolListForObject(obj);
}
while (symbols) {
unsigned int i;
unsigned char symbolCount = READ_FLASH_UINT8(&symbols->symbolCount);
for (i=0;i<symbolCount;i++) {
unsigned short strOffset = READ_FLASH_UINT16(&symbols->symbols[i].strOffset);
#ifndef USE_FLASH_MEMORY
JsVar *name = jsvNewFromString(&symbols->symbolChars[strOffset]);
#else
// On the esp8266 the string is in flash, so we have to copy it to RAM first
// We can't use flash_strncpy here because it assumes that strings start on a word
// boundary and that's not the case here.
char buf[64], *b = buf, c; const char *s = &symbols->symbolChars[strOffset];
do { c = READ_FLASH_UINT8(s++); *b++ = c; } while (c && b != buf+64);
JsVar *name = jsvNewFromString(buf);
#endif
//os_printf_plus("OBJ cb %s\n", buf);
callback(data, name);
jsvUnLock(name);
}
symbols = 0;
if (includePrototype) {
includePrototype = false;
symbols = jswGetSymbolListForObjectProto(obj);
}
}
if (jsvIsArray(obj) || jsvIsString(obj)) {
JsVar *name = jsvNewFromString("length");
callback(data, name);
jsvUnLock(name);
}
}
}
/// Return the next character (do not move to the next character)
static ALWAYS_INLINE char jslNextCh() {
return (char)(lex->it.ptr ? READ_FLASH_UINT8(&lex->it.ptr[lex->it.charIdx]) : 0);
}
/// Gets the current (>=0) character (or -1)
int jsvStringIteratorGetCharOrMinusOne(JsvStringIterator *it) {
if (!it->ptr || it->charIdx>=it->charsInVar) return -1;
return (int)(unsigned char)READ_FLASH_UINT8(&it->ptr[it->charIdx]);
}
