void jsvIteratorNext(JsvIterator *it) {
switch (it->type) {
case JSVI_FULLARRAY: it->it.obj.index++;
if (jsvIsIntegerish(it->it.obj.it.var) &&
jsvGetInteger(it->it.obj.it.var)<it->it.obj.index)
jsvObjectIteratorNext(&it->it.obj.it);
break;
case JSVI_OBJECT : jsvObjectIteratorNext(&it->it.obj.it); break;
case JSVI_STRING : jsvStringIteratorNext(&it->it.str); break;
case JSVI_ARRAYBUFFER : jsvArrayBufferIteratorNext(&it->it.buf); break;
default: assert(0); break;
}
}
/*JSON{
"type" : "method",
"class" : "Object",
"name" : "emit",
"generate" : "jswrap_object_emit",
"params" : [
["event","JsVar","The name of the event, for instance 'data'"],
["args","JsVarArray","Optional arguments"]
]
}
Call the event listeners for this object, for instance ```http.emit('data', 'Foo')```. See Node.js's EventEmitter.
*/
void jswrap_object_emit(JsVar *parent, JsVar *event, JsVar *argArray) {
if (!jsvIsObject(parent)) {
jsWarn("Parent must be a proper object - not a String, Integer, etc.");
return;
}
if (!jsvIsString(event)) {
jsWarn("First argument to EventEmitter.emit(..) must be a string");
return;
}
char eventName[16] = "#on";
jsvGetString(event, &eventName[3], sizeof(eventName)-4);
// extract data
const int MAX_ARGS = 4;
JsVar *args[MAX_ARGS];
int n = 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, argArray);
while (jsvObjectIteratorHasValue(&it)) {
if (n>=MAX_ARGS) {
jsWarn("Too many arguments");
break;
}
args[n++] = jsvObjectIteratorGetValue(&it);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsiQueueObjectCallbacks(parent, eventName, args, n);
// unlock
while (n--)
jsvUnLock(args[n]);
}
/*JSON{
"type" : "kill",
"generate" : "jswrap_file_kill"
}*/
void jswrap_file_kill() {
JsVar *arr = fsGetArray(false);
if (arr) {
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *file = jsvObjectIteratorGetValue(&it);
jswrap_file_close(file);
jsvUnLock(file);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvRemoveAllChildren(arr);
jsvUnLock(arr);
}
// close fs library
#ifndef LINUX
if (fat_initialised) {
fat_initialised = false;
f_mount(0, 0, 0);
}
#endif
#ifdef SD_CARD_ANYWHERE
sdSPISetup(0, PIN_UNDEFINED);
#endif
}
/*JSON{
"type" : "function",
"name" : "clearTimeout",
"generate" : "jswrap_interface_clearTimeout",
"params" : [
["id","JsVar","The id returned by a previous call to setTimeout"]
]
}
Clear the Timeout that was created with setTimeout, for example:
```var id = setTimeout(function () { print('foo'); }, 1000);```
```clearTimeout(id);```
If no argument is supplied, all timers and intervals are stopped
*/
void _jswrap_interface_clearTimeoutOrInterval(JsVar *idVar, bool isTimeout) {
JsVar *timerArrayPtr = jsvLock(timerArray);
if (jsvIsUndefined(idVar)) {
/* Delete all timers EXCEPT those with a 'watch' field,
as those were generated by jsinteractive.c for debouncing watches */
JsvObjectIterator it;
jsvObjectIteratorNew(&it, timerArrayPtr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *timerPtr = jsvObjectIteratorGetValue(&it);
JsVar *watchPtr = jsvObjectGetChild(timerPtr, "watch", 0);
if (!watchPtr)
jsvObjectIteratorRemoveAndGotoNext(&it, timerArrayPtr);
else
jsvObjectIteratorNext(&it);
jsvUnLock2(watchPtr, timerPtr);
}
jsvObjectIteratorFree(&it);
} else {
JsVar *child = jsvIsBasic(idVar) ? jsvFindChildFromVar(timerArrayPtr, idVar, false) : 0;
if (child) {
JsVar *timerArrayPtr = jsvLock(timerArray);
jsvRemoveChild(timerArrayPtr, child);
jsvUnLock2(child, timerArrayPtr);
} else {
if (isTimeout)
jsExceptionHere(JSET_ERROR, "Unknown Timeout");
else
jsExceptionHere(JSET_ERROR, "Unknown Interval");
}
}
jsvUnLock(timerArrayPtr);
jsiTimersChanged(); // mark timers as changed
}
/*JSON{
"type" : "staticmethod",
"class" : "NRF",
"name" : "setAdvertising",
"generate" : "jswrap_nrf_bluetooth_setAdvertising",
"params" : [
["data","JsVar","The data to advertise as an object - see below for more info"]
]
}
Data is of the form `{ UUID : data_as_byte_array }`. For example to return battery level at 95%, do:
```
NRF.setAdvertising({
0x180F : [95]
});
```
Or you could report the current temperature:
```
setInterval(function() {
NRF.setAdvertising({
0x1809 : [0|E.getTemperature()]
});
}, 30000);
```
*/
void jswrap_nrf_bluetooth_setAdvertising(JsVar *data) {
uint32_t err_code;
ble_advdata_t advdata;
setup_advdata(&advdata);
if (jsvIsObject(data)) {
ble_advdata_service_data_t *service_data = (ble_advdata_service_data_t*)alloca(jsvGetChildren(data)*sizeof(ble_advdata_service_data_t));
int n = 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, data);
while (jsvObjectIteratorHasValue(&it)) {
service_data[n].service_uuid = jsvGetIntegerAndUnLock(jsvObjectIteratorGetKey(&it));
JsVar *v = jsvObjectIteratorGetValue(&it);
JSV_GET_AS_CHAR_ARRAY(dPtr, dLen, v);
jsvUnLock(v);
service_data[n].data.size = dLen;
service_data[n].data.p_data = dPtr;
jsvObjectIteratorNext(&it);
n++;
}
jsvObjectIteratorFree(&it);
advdata.service_data_count = n;
advdata.p_service_data_array = service_data;
} else if (!jsvIsUndefined(data)) {
jsExceptionHere(JSET_TYPEERROR, "Expecting object or undefined, got %t", data);
}
err_code = ble_advdata_set(&advdata, NULL);
if (err_code)
jsExceptionHere(JSET_ERROR, "Got BLE error code %d", err_code);
}
JsVar *jswrap_arguments() {
JsVar *scope = 0;
if (execInfo.scopeCount>0)
scope = jsvLock(execInfo.scopes[execInfo.scopeCount-1]);
if (!jsvIsFunction(scope)) {
jsvUnLock(scope);
jsError("Can only use 'arguments' variable inside a function");
return 0;
}
JsVar *args = jsvNewWithFlags(JSV_ARRAY);
if (!args) return 0; // out of memory
JsvObjectIterator it;
jsvObjectIteratorNew(&it, scope);
while (jsvObjectIteratorHasElement(&it)) {
JsVar *idx = jsvObjectIteratorGetKey(&it);
if (jsvIsFunctionParameter(idx)) {
JsVar *val = jsvSkipOneName(idx);
jsvArrayPushAndUnLock(args, val);
}
jsvUnLock(idx);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvUnLock(scope);
return args;
}
/*JSON{
"type" : "staticmethod",
"class" : "Promise",
"name" : "all",
"generate" : "jswrap_promise_all",
"params" : [
["promises","JsVar","An array of promises"]
],
"return" : ["JsVar","A new Promise"]
}
Return a new promise that is resolved when all promises in the supplied
array are resolved.
*/
JsVar *jswrap_promise_all(JsVar *arr) {
if (!jsvIsIterable(arr)) {
jsExceptionHere(JSET_TYPEERROR, "Expecting something iterable, got %t", arr);
return 0;
}
JsVar *promise = jspNewObject(0, "Promise");
if (!promise) return 0;
JsVar *resolve = jsvNewNativeFunction((void (*)(void))jswrap_promise_all_resolve, JSWAT_VOID|JSWAT_THIS_ARG|(JSWAT_JSVAR<<JSWAT_BITS));
JsVar *reject = jsvNewNativeFunction((void (*)(void))jswrap_promise_all_reject, JSWAT_VOID|JSWAT_THIS_ARG|(JSWAT_JSVAR<<JSWAT_BITS));
if (resolve && reject) {
jsvObjectSetChild(resolve, JSPARSE_FUNCTION_THIS_NAME, promise);
jsvObjectSetChild(reject, JSPARSE_FUNCTION_THIS_NAME, promise);
int promises = 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *p = jsvObjectIteratorGetValue(&it);
jsvUnLock(jswrap_promise_then(p, resolve));
jsvUnLock(jswrap_promise_catch(p, reject));
jsvUnLock(p);
promises++;
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvObjectSetChildAndUnLock(promise, JS_PROMISE_COUNT_NAME, jsvNewFromInteger(promises));
jsvObjectSetChildAndUnLock(promise, JS_PROMISE_RESULT_NAME, jsvNewEmptyArray());
}
jsvUnLock2(resolve, reject);
return promise;
}
/*JSON{
"type" : "method",
"class" : "Object",
"name" : "removeAllListeners",
"generate" : "jswrap_object_removeAllListeners",
"params" : [
["event","JsVar","The name of the event, for instance 'data'"]
]
}
Removes all listeners, or those of the specified event.
*/
void jswrap_object_removeAllListeners(JsVar *parent, JsVar *event) {
if (!jsvHasChildren(parent)) {
jsWarn("Parent must be an object - not a String, Integer, etc.");
return;
}
if (jsvIsString(event)) {
// remove the whole child containing listeners
JsVar *eventName = jsvVarPrintf(JS_EVENT_PREFIX"%s",event);
if (!eventName) return; // no memory
JsVar *eventList = jsvFindChildFromVar(parent, eventName, true);
jsvUnLock(eventName);
if (eventList) {
jsvRemoveChild(parent, eventList);
jsvUnLock(eventList);
}
} else if (jsvIsUndefined(event)) {
// Eep. We must remove everything beginning with '#on' (JS_EVENT_PREFIX)
JsvObjectIterator it;
jsvObjectIteratorNew(&it, parent);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *key = jsvObjectIteratorGetKey(&it);
jsvObjectIteratorNext(&it);
if (jsvIsStringEqualOrStartsWith(key, JS_EVENT_PREFIX, true)) {
// begins with #on - we must kill it
jsvRemoveChild(parent, key);
}
jsvUnLock(key);
}
jsvObjectIteratorFree(&it);
} else {
jsWarn("First argument to EventEmitter.removeAllListeners(..) must be a string, or undefined");
return;
}
}
/*JSON{ "type":"method", "class": "Function", "name" : "replaceWith",
"description" : ["This replaces the function with the one in the argument - while keeping the old function's scope. This allows inner functions to be edited, and is used when edit() is called on an inner function."],
"generate" : "jswrap_function_replaceWith",
"params" : [ [ "newFunc", "JsVar", "The new function to replace this function with"] ]
}*/
void jswrap_function_replaceWith(JsVar *oldFunc, JsVar *newFunc) {
if (!jsvIsFunction(newFunc)) {
jsWarn("First argument of replaceWith should be a function - ignoring");
return;
}
// Grab scope - the one thing we want to keep
JsVar *scope = jsvFindChildFromString(oldFunc, JSPARSE_FUNCTION_SCOPE_NAME, false);
// so now remove all existing entries
jsvRemoveAllChildren(oldFunc);
// now re-add scope
jsvAddName(oldFunc, scope);
jsvUnLock(scope);
// now re-add other entries
JsObjectIterator it;
jsvObjectIteratorNew(&it, newFunc);
while (jsvObjectIteratorHasElement(&it)) {
JsVar *el = jsvObjectIteratorGetKey(&it);
jsvObjectIteratorNext(&it);
if (!jsvIsStringEqual(el, JSPARSE_FUNCTION_SCOPE_NAME)) {
JsVar *copy = jsvCopy(el);
if (copy) {
jsvAddName(oldFunc, copy);
jsvUnLock(copy);
}
}
}
jsvObjectIteratorFree(&it);
}
/*JSON{
"type" : "method",
"class" : "Function",
"name" : "apply",
"generate" : "jswrap_function_apply_or_call",
"params" : [
["this","JsVar","The value to use as the 'this' argument when executing the function"],
["args","JsVar","Optional Array of Arguments"]
],
"return" : ["JsVar","The return value of executing this function"]
}
This executes the function with the supplied 'this' argument and parameters
*/
JsVar *jswrap_function_apply_or_call(JsVar *parent, JsVar *thisArg, JsVar *argsArray) {
unsigned int i;
JsVar **args = 0;
size_t argC = 0;
if (jsvIsArray(argsArray)) {
argC = (size_t)jsvGetArrayLength(argsArray);
if (argC>64) argC=64; // sanity
args = (JsVar**)alloca((size_t)argC * sizeof(JsVar*));
for (i=0;i<argC;i++) args[i] = 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, argsArray);
while (jsvObjectIteratorHasValue(&it)) {
JsVarInt idx = jsvGetIntegerAndUnLock(jsvObjectIteratorGetKey(&it));
if (idx>=0 && idx<(int)argC) {
assert(!args[idx]); // just in case there were dups
args[idx] = jsvObjectIteratorGetValue(&it);
}
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
} else if (!jsvIsUndefined(argsArray)) {
jsWarn("Second argument to Function.apply must be an array");
}
JsVar *r = jspeFunctionCall(parent, 0, thisArg, false, (int)argC, args);
for (i=0;i<argC;i++) jsvUnLock(args[i]);
return r;
}
/*JSON{
"type" : "method",
"class" : "Object",
"name" : "emit",
"generate" : "jswrap_object_emit",
"params" : [
["event","JsVar","The name of the event, for instance 'data'"],
["args","JsVarArray","Optional arguments"]
]
}
Call the event listeners for this object, for instance ```http.emit('data', 'Foo')```. See Node.js's EventEmitter.
*/
void jswrap_object_emit(JsVar *parent, JsVar *event, JsVar *argArray) {
if (!jsvHasChildren(parent)) {
jsWarn("Parent must be an object - not a String, Integer, etc.");
return;
}
if (!jsvIsString(event)) {
jsWarn("First argument to EventEmitter.emit(..) must be a string");
return;
}
char eventName[16];
if (!jswrap_object_get_event_name(eventName, event)) return;
// extract data
const unsigned int MAX_ARGS = 4;
JsVar *args[MAX_ARGS];
unsigned int n = 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, argArray);
while (jsvObjectIteratorHasValue(&it)) {
if (n>=MAX_ARGS) {
jsWarn("Too many arguments");
break;
}
args[n++] = jsvObjectIteratorGetValue(&it);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsiQueueObjectCallbacks(parent, eventName, args, (int)n);
// unlock
jsvUnLockMany(n, args);
}
void jsvIteratorNext(JsvIterator *it) {
switch (it->type) {
case JSVI_OBJECT : jsvObjectIteratorNext(&it->it.obj); break;
case JSVI_STRING : jsvStringIteratorNext(&it->it.str); break;
case JSVI_ARRAYBUFFER : jsvArrayBufferIteratorNext(&it->it.buf); break;
default: assert(0); break;
}
}
/*JSON{
"type" : "idle",
"generate" : "jswrap_waveform_idle",
"ifndef" : "SAVE_ON_FLASH"
}*/
bool jswrap_waveform_idle() {
JsVar *waveforms = jsvObjectGetChild(execInfo.hiddenRoot, JSI_WAVEFORM_NAME, 0);
if (waveforms) {
JsvObjectIterator it;
jsvObjectIteratorNew(&it, waveforms);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *waveform = jsvObjectIteratorGetValue(&it);
bool running = jsvGetBoolAndUnLock(jsvObjectGetChild(waveform, "running", 0));
if (running) {
JsVar *buffer = jswrap_waveform_getBuffer(waveform,0,0);
UtilTimerTask task;
// Search for a timer task
if (!jstGetLastBufferTimerTask(buffer, &task)) {
// if the timer task is now gone...
JsVar *arrayBuffer = jsvObjectGetChild(waveform, "buffer", 0);
jsiQueueObjectCallbacks(waveform, "#onfinish", &arrayBuffer, 1);
jsvUnLock(arrayBuffer);
running = false;
jsvObjectSetChildAndUnLock(waveform, "running", jsvNewFromBool(running));
} else {
// If the timer task is still there...
if (task.data.buffer.nextBuffer &&
task.data.buffer.nextBuffer != task.data.buffer.currentBuffer) {
// if it is a double-buffered task
int currentBuffer = (jsvGetRef(buffer)==task.data.buffer.currentBuffer) ? 0 : 1;
int oldBuffer = jsvGetIntegerAndUnLock(jsvObjectGetChild(waveform, "currentBuffer", JSV_INTEGER));
if (oldBuffer != currentBuffer) {
// buffers have changed - fire off a 'buffer' event with the buffer that needs to be filled
jsvObjectSetChildAndUnLock(waveform, "currentBuffer", jsvNewFromInteger(currentBuffer));
JsVar *arrayBuffer = jsvObjectGetChild(waveform, (currentBuffer==0) ? "buffer" : "buffer2", 0);
jsiQueueObjectCallbacks(waveform, "#onbuffer", &arrayBuffer, 1);
jsvUnLock(arrayBuffer);
}
}
}
jsvUnLock(buffer);
}
jsvUnLock(waveform);
// if not running, remove waveform from this list
if (!running)
jsvObjectIteratorRemoveAndGotoNext(&it, waveforms);
else
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvUnLock(waveforms);
}
return false; // no need to stay awake - an IRQ will wake us
}
NO_INLINE static void _socketCloseAllConnectionsFor(JsNetwork *net, char *name) {
JsVar *arr = socketGetArray(name, false);
if (!arr) return;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *connection = jsvObjectIteratorGetValue(&it);
_socketConnectionKill(net, connection);
jsvUnLock(connection);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvRemoveAllChildren(arr);
jsvUnLock(arr);
}
/*JSON{
"type" : "staticmethod",
"class" : "Math",
"name" : "max",
"generate_full" : "jswrap_math_minmax(args, true)",
"params" : [
["args","JsVarArray","A floating point value to clip"]
],
"return" : ["float","The maximum of the supplied values"]
}
Find the maximum of a series of numbers
*/
JsVarFloat jswrap_math_minmax(JsVar *args, bool isMax) {
JsVarFloat v = isMax ? -INFINITY : INFINITY;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, args);
while (jsvObjectIteratorHasValue(&it)) {
JsVarFloat arg = jsvGetFloatAndUnLock(jsvObjectIteratorGetValue(&it));
if ((isMax && arg > v) || (!isMax && arg < v) || isnan(arg))
v = arg;
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
return v;
}
/*JSON{
"type" : "method",
"class" : "Array",
"name" : "push",
"generate" : "jswrap_array_push",
"params" : [
["arguments","JsVarArray","One or more arguments to add"]
],
"return" : ["int","The new size of the array"]
}
Push a new value onto the end of this array'
This is the opposite of `[1,2,3].unshift(0)`, which adds one or more elements to the beginning of the array.
*/
JsVarInt jswrap_array_push(JsVar *parent, JsVar *args) {
if (!jsvIsArray(parent)) return -1;
JsVarInt len = -1;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, args);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *el = jsvObjectIteratorGetValue(&it);
len = jsvArrayPush(parent, el);
jsvUnLock(el);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
if (len<0)
len = jsvGetArrayLength(parent);
return len;
}
/*JSON{
"type" : "idle",
"generate" : "jswrap_pipe_idle",
"ifndef" : "SAVE_ON_FLASH"
}*/
bool jswrap_pipe_idle() {
bool wasBusy = false;
JsVar *arr = pipeGetArray(false);
if (arr) {
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *pipe = jsvObjectIteratorGetValue(&it);
wasBusy |= handlePipe(arr, &it, pipe);
jsvUnLock(pipe);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvUnLock(arr);
}
return wasBusy;
}
/*JSON{
"type" : "staticmethod",
"class" : "String",
"name" : "fromCharCode",
"generate" : "jswrap_string_fromCharCode",
"params" : [
["code","JsVarArray","One or more character codes to create a string from (range 0-255)."]
],
"return" : ["JsVar","The character"]
}
Return the character(s) represented by the given character code(s).
*/
JsVar *jswrap_string_fromCharCode(JsVar *arr) {
assert(jsvIsArray(arr));
JsVar *r = jsvNewFromEmptyString();
if (!r) return 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
char ch = (char)jsvGetIntegerAndUnLock(jsvObjectIteratorGetValue(&it));
jsvAppendStringBuf(r, &ch, 1);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
return r;
}
/*JSON{
"type" : "method",
"class" : "Function",
"name" : "replaceWith",
"generate" : "jswrap_function_replaceWith",
"params" : [
["newFunc","JsVar","The new function to replace this function with"]
]
}
This replaces the function with the one in the argument - while keeping the old function's scope. This allows inner functions to be edited, and is used when edit() is called on an inner function.
*/
void jswrap_function_replaceWith(JsVar *oldFunc, JsVar *newFunc) {
if (!jsvIsFunction(newFunc)) {
jsWarn("First argument of replaceWith should be a function - ignoring");
return;
}
// If old was native or vice versa...
if (jsvIsNativeFunction(oldFunc) != jsvIsNativeFunction(newFunc)) {
if (jsvIsNativeFunction(newFunc))
oldFunc->flags |= JSV_NATIVE;
else
oldFunc->flags &= ~JSV_NATIVE;
}
// If old fn started with 'return' or vice versa...
if (jsvIsFunctionReturn(oldFunc) != jsvIsFunctionReturn(newFunc)) {
if (jsvIsFunctionReturn(newFunc))
oldFunc->flags = (oldFunc->flags&~JSV_VARTYPEMASK) |JSV_FUNCTION_RETURN;
else
oldFunc->flags = (oldFunc->flags&~JSV_VARTYPEMASK) |JSV_FUNCTION;
}
// Grab scope - the one thing we want to keep
JsVar *scope = jsvFindChildFromString(oldFunc, JSPARSE_FUNCTION_SCOPE_NAME, false);
// so now remove all existing entries
jsvRemoveAllChildren(oldFunc);
// now re-add scope
if (scope) jsvAddName(oldFunc, scope);
jsvUnLock(scope);
// now re-add other entries
JsvObjectIterator it;
jsvObjectIteratorNew(&it, newFunc);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *el = jsvObjectIteratorGetKey(&it);
jsvObjectIteratorNext(&it);
if (!jsvIsStringEqual(el, JSPARSE_FUNCTION_SCOPE_NAME)) {
JsVar *copy = jsvCopy(el);
if (copy) {
jsvAddName(oldFunc, copy);
jsvUnLock(copy);
}
}
jsvUnLock(el);
}
jsvObjectIteratorFree(&it);
}
static bool jsfGetJSONForObjectItWithCallback(JsvObjectIterator *it, JSONFlags flags, const char *whitespace, JSONFlags nflags, vcbprintf_callback user_callback, void *user_data, bool first) {
bool needNewLine = false;
size_t sinceNewLine = 0;
while (jsvObjectIteratorHasValue(it) && !jspIsInterrupted()) {
JsVar *index = jsvObjectIteratorGetKey(it);
JsVar *item = jsvGetValueOfName(index);
bool hidden = jsvIsInternalObjectKey(index) ||
((flags & JSON_IGNORE_FUNCTIONS) && jsvIsFunction(item)) ||
((flags&JSON_NO_UNDEFINED) && jsvIsUndefined(item)) ||
jsvIsGetterOrSetter(item);
if (!hidden) {
sinceNewLine++;
if (!first) cbprintf(user_callback, user_data, (flags&JSON_PRETTY)?", ":",");
bool newNeedsNewLine = (flags&JSON_SOME_NEWLINES) && jsonNeedsNewLine(item);
if ((flags&JSON_SOME_NEWLINES) && sinceNewLine>JSON_ITEMS_ON_LINE_OBJECT)
needNewLine = true;
if (flags&JSON_ALL_NEWLINES) {
needNewLine = true;
newNeedsNewLine = true;
}
if (needNewLine || newNeedsNewLine) {
jsonNewLine(nflags, whitespace, user_callback, user_data);
needNewLine = false;
sinceNewLine = 0;
}
bool addQuotes = true;
if (flags&JSON_DROP_QUOTES) {
if (jsvIsIntegerish(index)) addQuotes = false;
else if (jsvIsString(index) && jsvGetStringLength(index)<15) {
char buf[16];
jsvGetString(index,buf,sizeof(buf));
if (isIDString(buf)) addQuotes=false;
}
}
cbprintf(user_callback, user_data, addQuotes?"%q%s":"%v%s", index, (flags&JSON_PRETTY)?": ":":");
if (first)
first = false;
jsfGetJSONWithCallback(item, nflags, whitespace, user_callback, user_data);
needNewLine = newNeedsNewLine;
}
jsvUnLock2(index, item);
jsvObjectIteratorNext(it);
}
return needNewLine;
}
static void httpAppendHeaders(JsVar *string, JsVar *headerObject) {
// append headers
JsvObjectIterator it;
jsvObjectIteratorNew(&it, headerObject);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *k = jsvAsString(jsvObjectIteratorGetKey(&it), true);
JsVar *v = jsvAsString(jsvObjectIteratorGetValue(&it), true);
jsvAppendStringVarComplete(string, k);
jsvAppendString(string, ": ");
jsvAppendStringVarComplete(string, v);
jsvAppendString(string, "\r\n");
jsvUnLock2(k, v);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
// free headers
}
bool bleRemoveChild(JsVar *parent, JsVar *blevar){
bool ret = false;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, parent);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *child = jsvObjectIteratorGetKey(&it);
JsVar *name = jsvNewFromStringVar(child, 0, 10);
if(jsvIsEqual(name,blevar)){
jsvRemoveChild(parent,child);
ret = true;
}
jsvUnLock(child);
jsvUnLock(name);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
return ret;
}
/*JSON{ "type":"staticmethod",
"class" : "Modules", "name" : "getCached",
"description" : "Return an array of module names that have been cached",
"generate" : "jswrap_modules_getCached",
"return" : ["JsVar", "An array of module names"]
}*/
JsVar *jswrap_modules_getCached() {
JsVar *arr = jsvNewWithFlags(JSV_ARRAY);
if (!arr) return 0; // out of memory
JsVar *moduleList = jswrap_modules_getModuleList();
if (!moduleList) return arr; // out of memory
JsvObjectIterator it;
jsvObjectIteratorNew(&it, moduleList);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *idx = jsvObjectIteratorGetKey(&it);
JsVar *idxCopy = jsvCopyNameOnly(idx, false, false);
jsvArrayPushAndUnLock(arr, idxCopy);
jsvUnLock(idx);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvUnLock(moduleList);
return arr;
}
/*JSON{
"type" : "staticmethod",
"class" : "console",
"name" : "log",
"generate" : "jswrap_interface_print",
"params" : [
["text","JsVarArray","One or more arguments to print"]
]
}
Print the supplied string(s) to the console
**Note:** If you're connected to a computer (not a wall adaptor) via USB but **you are not running a terminal app** then when you print data Espruino may pause execution and wait until the computer requests the data it is trying to print.
*/
void jswrap_interface_print(JsVar *v) {
assert(jsvIsArray(v));
jsiConsoleRemoveInputLine();
JsvObjectIterator it;
jsvObjectIteratorNew(&it, v);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *v = jsvObjectIteratorGetValue(&it);
if (jsvIsString(v))
jsiConsolePrintStringVar(v);
else
jsfPrintJSON(v, JSON_PRETTY | JSON_NEWLINES);
jsvUnLock(v);
jsvObjectIteratorNext(&it);
if (jsvObjectIteratorHasValue(&it))
jsiConsolePrint(" ");
}
jsvObjectIteratorFree(&it);
jsiConsolePrint("\n");
}
/*JSON{
"type" : "staticmethod",
"class" : "Object",
"name" : "defineProperties",
"generate" : "jswrap_object_defineProperties",
"params" : [
["obj","JsVar","An object"],
["props","JsVar","An object whose fields represent property names, and whose values are property descriptors."]
],
"return" : ["JsVar","The object, obj."]
}
Adds new properties to the Object. See `Object.defineProperty` for more information
*/
JsVar *jswrap_object_defineProperties(JsVar *parent, JsVar *props) {
if (!jsvIsObject(parent)) {
jsExceptionHere(JSET_ERROR, "First argument must be an object, got %t\n", parent);
return 0;
}
if (!jsvIsObject(props)) {
jsExceptionHere(JSET_ERROR, "Second argument must be an object, got %t\n", props);
return 0;
}
JsvObjectIterator it;
jsvObjectIteratorNew(&it, props);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *name = jsvObjectIteratorGetKey(&it);
JsVar *desc = jsvObjectIteratorGetValue(&it);
jsvUnLock3(jswrap_object_defineProperty(parent, name, desc), name, desc);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
return jsvLockAgain(parent);
}
/** This gets called when the destination closes and we need to clean up */
static void jswrap_pipe_close_listener(JsVar *destination, const char *name) {
if (!jsvIsObject(destination)) return;
// try and find it...
JsVar *arr = pipeGetArray(false);
if (arr) {
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *pipe = jsvObjectIteratorGetValue(&it);
JsVar *dst = jsvObjectGetChild(pipe,name,0);
if (dst == destination) {
// found it! said wait to false
handlePipeClose(arr, &it, pipe);
}
jsvUnLock(dst);
jsvUnLock(pipe);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvUnLock(arr);
}
}
/** This gets called when a pipe destination drains itself */
static void jswrap_pipe_drain_listener(JsVar *destination) {
if (!jsvIsObject(destination)) return;
// try and find it...
JsVar *arr = pipeGetArray(false);
if (arr) {
JsvObjectIterator it;
jsvObjectIteratorNew(&it, arr);
while (jsvObjectIteratorHasValue(&it)) {
JsVar *pipe = jsvObjectIteratorGetValue(&it);
JsVar *dst = jsvObjectGetChild(pipe,"destination",0);
if (dst == destination) {
// found it! said wait to false
jsvUnLock(jsvObjectSetChild(pipe,"drainWait",jsvNewFromBool(false)));
}
jsvUnLock(dst);
jsvUnLock(pipe);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
jsvUnLock(arr);
}
}
/* This is like jsfGetJSONWithCallback, but handles ONLY functions (and does not print the initial 'function' text) */
void jsfGetJSONForFunctionWithCallback(JsVar *var, JSONFlags flags, vcbprintf_callback user_callback, void *user_data) {
assert(jsvIsFunction(var));
JsVar *codeVar = 0; // TODO: this should really be in jsvAsString
JsvObjectIterator it;
jsvObjectIteratorNew(&it, var);
bool firstParm = true;
cbprintf(user_callback, user_data, "(");
while (jsvObjectIteratorHasValue(&it)) {
JsVar *child = jsvObjectIteratorGetKey(&it);
if (jsvIsFunctionParameter(child)) {
if (firstParm)
firstParm=false;
else
cbprintf(user_callback, user_data, ",");
cbprintf(user_callback, user_data, "%v", child);
} else if (jsvIsString(child) && jsvIsStringEqual(child, JSPARSE_FUNCTION_CODE_NAME)) {
codeVar = jsvObjectIteratorGetValue(&it);
}
jsvUnLock(child);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
cbprintf(user_callback, user_data, ") ");
if (jsvIsNative(var)) {
cbprintf(user_callback, user_data, "{ [native code] }");
} else {
if (codeVar) {
if (flags & JSON_LIMIT) {
cbprintf(user_callback, user_data, "{%s}", JSON_LIMIT_TEXT);
} else {
cbprintf(user_callback, user_data, "%v", codeVar);
}
} else cbprintf(user_callback, user_data, "{}");
}
jsvUnLock(codeVar);
}
/*JSON{
"type" : "method",
"class" : "Object",
"name" : "emit",
"generate" : "jswrap_object_emit",
"params" : [
["event","JsVar","The name of the event, for instance 'data'"],
["args","JsVarArray","Optional arguments"]
]
}
Call the event listeners for this object, for instance ```http.emit('data', 'Foo')```. See Node.js's EventEmitter.
*/
void jswrap_object_emit(JsVar *parent, JsVar *event, JsVar *argArray) {
if (!jsvHasChildren(parent)) {
jsWarn("Parent must be an object - not a String, Integer, etc.");
return;
}
if (!jsvIsString(event)) {
jsWarn("First argument to EventEmitter.emit(..) must be a string");
return;
}
JsVar *eventName = jsvVarPrintf(JS_EVENT_PREFIX"%s",event);
if (!eventName) return; // no memory
// extract data
const unsigned int MAX_ARGS = 4;
JsVar *args[MAX_ARGS];
unsigned int n = 0;
JsvObjectIterator it;
jsvObjectIteratorNew(&it, argArray);
while (jsvObjectIteratorHasValue(&it)) {
if (n>=MAX_ARGS) {
jsWarn("Too many arguments");
break;
}
args[n++] = jsvObjectIteratorGetValue(&it);
jsvObjectIteratorNext(&it);
}
jsvObjectIteratorFree(&it);
JsVar *callback = jsvSkipNameAndUnLock(jsvFindChildFromVar(parent, eventName, 0));
jsvUnLock(eventName);
if (callback) jsiQueueEvents(parent, callback, args, (int)n);
jsvUnLock(callback);
// unlock
jsvUnLockMany(n, args);
}
/*JSON{ "type":"method", "class": "Object", "name" : "removeAllListeners",
"description" : ["Removes all listeners, or those of the specified event."],
"generate" : "jswrap_object_removeAllListeners",
"params" : [ [ "event", "JsVar", "The name of the event, for instance 'data'"] ]
}*/
void jswrap_object_removeAllListeners(JsVar *parent, JsVar *event) {
if (!jsvIsObject(parent)) {
jsWarn("Parent must be a proper object - not a String, Integer, etc.");
return;
}
if (jsvIsString(event)) {
// remove the whole child containing listeners
char eventName[16] = "#on";
jsvGetString(event, &eventName[3], sizeof(eventName)-4);
JsVar *eventList = jsvFindChildFromString(parent, eventName, true);
if (eventList) {
jsvRemoveChild(parent, eventList);
jsvUnLock(eventList);
}
} else if (jsvIsUndefined(event)) {
// Eep. We must remove everything beginning with '#on'
JsObjectIterator it;
jsvObjectIteratorNew(&it, parent);
while (jsvObjectIteratorHasElement(&it)) {
JsVar *key = jsvObjectIteratorGetKey(&it);
jsvObjectIteratorNext(&it);
if (jsvIsString(key) &&
key->varData.str[0]=='#' &&
key->varData.str[1]=='o' &&
key->varData.str[2]=='n') {
// begins with #on - we must kill it
jsvRemoveChild(parent, key);
}
jsvUnLock(key);
}
jsvObjectIteratorFree(&it);
} else {
jsWarn("First argument to EventEmitter.removeAllListeners(..) must be a string, or undefined");
return;
}
}
