promise.qh File Reference

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Macros
#define	Promise_catch(this, handler, userdata)   Promise_catch_(this, Promise_new(), handler, userdata)
#define	Promise_new()   Promise_new_(new_pure(Promise))
#define	Promise_then(this, handler, userdata)   Promise_then_(this, Promise_new(), handler, userdata)

Functions
	entityclass (Promise)
Promise	Promise_catch_ (Promise this, Promise ret, Promise(Promise ret, entity err, entity userdata) handler, entity userdata)
Promise	Promise_new_ (Promise this)
void	Promise_reject (Promise this)
	notify all Promise_catch subscribers that this promise has rejected More...
void	Promise_resolve (Promise this)
	notify all Promise_then subscribers that this promise has resolved More...
Promise	Promise_sleep (float n)
Promise	Promise_then_ (Promise this, Promise ret, Promise(Promise ret, entity result, entity userdata) handler, entity userdata)

Macro Definition Documentation

Promise_catch

#define Promise_catch	(		this,
			handler,
			userdata
	)		Promise_catch_(this, Promise_new(), handler, userdata)

Definition at line 21 of file promise.qh.

Promise_new

#define Promise_new

(

)

Promise_new_(new_pure(Promise))

Definition at line 5 of file promise.qh.

Referenced by Promise_sleep().

Promise_then

#define Promise_then	(		this,
			handler,
			userdata
	)		Promise_then_(this, Promise_new(), handler, userdata)

Definition at line 13 of file promise.qh.

Function Documentation

entityclass()

entityclass

(

Promise

)

Promise_catch_()

Promise Promise_catch_	(	Promise	this,
		Promise	ret,
		Promise(Promise ret, entity err, entity userdata)	handler,
		entity	userdata
	)

Promise_new_()

Promise Promise_new_

(

Promise

this

)

Definition at line 51 of file promise.qc.

References _Promise_finalize(), _Promise_handle(), and ref_init().

{
    ref_init(this, 2, _Promise_finalize);
    this._promise_result = this; // promises default to being their own result to save on entities
    return this;
}

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Promise_reject()

void Promise_reject

(

Promise

this

)

notify all Promise_catch subscribers that this promise has rejected

Definition at line 79 of file promise.qc.

References _Promise_handle(), _Promise_then(), entity(), IL_DELETE, IL_EACH, LOG_SEVERE, LOG_SEVEREF, PROMISE_PENDING, PROMISE_REJECTED, and unref().

Referenced by _Promise_onReject_default().

{
    if (!this) {
        LOG_SEVERE("Attempted to reject a null promise");
        return;
    }
    if (this._promise_state != PROMISE_PENDING) {
        LOG_SEVEREF("Rejected non-pending promise %i", this);
        return;
    }
    this._promise_state = PROMISE_REJECTED;
    if (this._promise_handlers) {
        IL_EACH(this._promise_handlers, true, _Promise_handle(this, it));
        IL_DELETE(this._promise_handlers);
    }
    unref(this);
    return;
}

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Promise_resolve()

void Promise_resolve

(

Promise

this

)

notify all Promise_then subscribers that this promise has resolved

Definition at line 60 of file promise.qc.

References _Promise_handle(), IL_DELETE, IL_EACH, LOG_SEVERE, LOG_SEVEREF, PROMISE_PENDING, PROMISE_RESOLVED, and unref().

Referenced by _Promise_onResolve_default(), and Promise_sleep().

{
    if (!this) {
        LOG_SEVERE("Attempted to resolve a null promise");
        return;
    }
    if (this._promise_state != PROMISE_PENDING) {
        LOG_SEVEREF("Resolved non-pending promise %i", this);
        return;
    }
    this._promise_state = PROMISE_RESOLVED;
    if (this._promise_handlers) {
        IL_EACH(this._promise_handlers, true, _Promise_handle(this, it));
        IL_DELETE(this._promise_handlers);
    }
    unref(this);
    return;
}

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Promise_sleep()

Promise Promise_sleep

(

float

n

)

Definition at line 206 of file promise.qc.

References Promise_new, Promise_resolve(), setthink, time, and unref().

{
    Promise p = unref(Promise_new());
    setthink(p, Promise_resolve);
    p.nextthink = time + n;
    return p;
}

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Promise_then_()

Promise Promise_then_	(	Promise	this,
		Promise	ret,
		Promise(Promise ret, entity result, entity userdata)	handler,
		entity	userdata
	)

Definition at line 180 of file promise.qc.

References _Promise_then(), func_null(), and unref().

{
    unref(ret); // ret is a temporary
    return _Promise_then(this, ret, onResolve, func_null, userdata);
}

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