fix or add missed document.

- fix typo.
- replace bool to void from jerry_api_set_object_native_handle
- remove invalid build precondition
- remove argument from jerry_api_create_object description
- add jerry_api_create_array_object description
- add jerry_api_set_array_index_value description
- add jerry_api_get_array_index_value description
- add jerry_api_release_value description
- add jerry_api_create_error description

JerryScript-DCO-1.0-Signed-off-by: pius.lee pius.lee@samsung.com
This commit is contained in:
pius.lee
2015-10-06 20:51:44 +09:00
parent 3206a16923
commit dd20004d37
2 changed files with 232 additions and 8 deletions
+1 -1
View File
@@ -35,7 +35,7 @@ These tools are required for development:
{% highlight bash %}
sudo apt-get install gcc g++
sudo apt-get install gcc-arm-none-eabi g++-arm-none-eabi
sudo apt-get install gcc-arm-none-eabi
sudo apt-get install cmake
sudo apt-get install libpcre3 libpcre3-dev
sudo apt-get install tcl8.6 tcl8.6-dev tk8.6-dev libboost-all-dev
+231 -7
View File
@@ -310,7 +310,7 @@ jerry_api_string_to_char_buffer (const jerry_api_string_t * string_p,
- `buffer_size` - size of the buffer;
- returned value:
- number of bytes, actually copied to the buffer - if characters were copied successfully;
- otherwise (in case size of buffer is insuficcient) - negative number, which is calculated as negation of buffer size, that is required to hold characters.
- otherwise (in case size of buffer is insufficient) - negative number, which is calculated as negation of buffer size, that is required to hold characters.
**Example**
@@ -441,17 +441,16 @@ Upon the JavaScript object becomes unused, all pointers to it should be released
{% highlight cpp %}
jerry_api_object_t*
jerry_api_create_object (const char * v);
jerry_api_create_object ();
{% endhighlight %}
- `v` - value of object to create;
- returned value is pointer to the created object.
**Example**
{% highlight cpp %}
{
jerry_api_object_t * object_p = jerry_api_create_object ("abc");
jerry_api_object_t * object_p = jerry_api_create_object ();
...
@@ -491,7 +490,7 @@ jerry_api_acquire_object (jerry_api_object_t * object_p);
{% highlight cpp %}
{
jerry_api_object_t * obj_ptr1_p = jerry_api_create_object ("abc");
jerry_api_object_t * obj_ptr1_p = jerry_api_create_object ();
jerry_api_object_t * obj_ptr2_p = jerry_api_acquire_object (obj_ptr1_p);
... // usage of both pointers
@@ -527,7 +526,7 @@ jerry_api_release_object (jerry_api_object_t * object_p);
{% highlight cpp %}
{
jerry_api_object_t * obj_ptr1_p = jerry_api_create_object ("abc");
jerry_api_object_t * obj_ptr1_p = jerry_api_create_object ();
jerry_api_object_t * obj_ptr2_p = jerry_api_acquire_object (obj_ptr1_p);
... // usage of both pointers
@@ -802,7 +801,7 @@ If native handle or "free" callback were already set for the object, correspondi
**Prototype**
{% highlight cpp %}
bool
void
jerry_api_set_object_native_handle (jerry_api_object_t * object_p,
uintptr_t handle,
jerry_object_free_callback_t freecb_p);
@@ -1099,3 +1098,228 @@ handler (const jerry_api_object_t * function_obj_p,
- [jerry_api_is_function](#jerryapiisfunction)
- [jerry_api_call_function](#jerryapicallfunction)
- [jerry_api_release_object](#jerryapireleaseobject)
# jerry_api_create_array_object
**Summary**
Create new JavaScript array object.
Upon the JavaScript array object becomes unused, all pointers to it should be released using [jerry_api_release_object](#jerryapireleaseobject).
**Prototype**
{% highlight cpp %}
jerry_api_object_t*
jerry_api_create_array_object (jerry_api_size_t array_size);
{% endhighlight %}
- `array_size` - size of array;
- returned value is pointer to the created array object.
**Example**
{% highlight cpp %}
{
jerry_api_object_t * array_object_p = jerry_api_create_array_object (10);
...
jerry_api_release_object (array_object_p);
}
{% endhighlight %}
**See also**
- [jerry_api_acquire_object](#jerryapiacquireobject)
- [jerry_api_release_object](#jerryapireleaseobject)
- [jerry_api_set_array_index_value](#jerryapisetarrayindexvalue)
- [jerry_api_get_array_index_value](#jerryapigetarrayindexvalue)
- [jerry_api_add_object_field](#jerryapiaddobjectfield)
- [jerry_api_delete_object_field](#jerryapideleteobjectfield)
- [jerry_api_get_object_field_value](#jerryapigetobjectfieldvalue)
- [jerry_api_set_object_field_value](#jerryapisetobjectfieldvalue)
- [jerry_api_get_object_native_handle](#jerryapigetobjectnativehandle)
- [jerry_api_set_object_native_handle](#jerryapisetobjectnativehandle)
# jerry_api_set_array_index_value
**Summary**
Set value of an indexed element in the specified array object.
**Prototype**
{% highlight cpp %}
bool
jerry_api_set_array_index_value (jerry_api_object_t * array_object_p,
jerry_api_length_t index,
jerry_api_value_t * value_p);
{% endhighlight %}
- `array_object_p` - pointer to the array object;
- `index` - index of the array element;
- `value_p` - indexed value to set;
- returned value - true, if value was set successfully.
**Example**
{% highlight cpp %}
{
jerry_api_object_t * array_object_p = jerry_api_create_array_object (10);
jerry_api_value_t val;
... // receive or construct val
jerry_api_set_array_index_value (array_object_p, 5, &val);
jerry_api_release_object (array_object_p);
}
{% endhighlight %}
**See also**
- [jerry_api_value_t](#jerryapivaluet)
- [jerry_api_create_array_object](#jerryapicreatearrayobject)
# jerry_api_get_array_index_value
**Summary**
Get value of an indexed element in the specified array object.
**Prototype**
{% highlight cpp %}
bool
jerry_api_get_array_index_value (jerry_api_object_t * array_object_p,
jerry_api_length_t index,
jerry_api_value_t * value_p);
{% endhighlight %}
- `array_object_p` - pointer to the array object;
- `index` - index of the array element;
- `value_p` - retrieved indexed value (output parameter);
- returned value - true, if value was retrieved successfully.
**Example**
{% highlight cpp %}
{
jerry_api_object_t* array_object_p;
... // receive or construct array_object_p
jerry_api_value_t val;
bool is_ok = jerry_api_get_array_index_value (array_object_p, 5, &val);
if (is_ok)
{
... // usage of 'val'
}
}
{% endhighlight %}
**See also**
- [jerry_api_value_t](#jerryapivaluet)
- [jerry_api_create_array_object](#jerryapicreatearrayobject)
# jerry_api_release_value
**Summary**
Release specified pointer to the value.
**Prototype**
{% highlight cpp %}
void
jerry_api_release_value (jerry_api_value_t * value_p);
{% endhighlight %}
- `value_p` - pointer to the value.
**Example**
{% highlight cpp %}
{
jerry_api_value_t val1;
jerry_api_value_t val2;
val1.type = JERRY_API_DATA_TYPE_OBJECT;
val1.v_object = jerry_api_create_object ();
val2.type = JERRY_API_DATA_TYPE_STRING;
val2.v_string = jerry_api_create_string ("abc");
... // usage of val1
jerry_api_release_value (&val1);
... // usage of val2
jerry_api_release_value (&val2);
}
{% endhighlight %}
**See also**
- [jerry_api_value_t](#jerryapivaluet)
# jerry_api_create_error
**Summary**
Create new JavaScript error object.
it should be throwed inside of handle attached to external function object.
**Prototype**
{% highlight cpp %}
jerry_api_object_t*
jerry_api_create_error (jerry_api_error_t error_type,
const jerry_api_char_t * message_p);
{% endhighlight %}
- `error_type` - error type of object;
- `message_p` - human-readable description of the error;
- returned value is pointer to the created error object.
**Example**
{% highlight cpp %}
static bool
handler (const jerry_api_object_t * function_obj_p,
const jerry_api_value_t * this_p,
jerry_api_value_t * ret_val_p,
const jerry_api_value_t args_p[],
const uint16_t args_cnt)
{
jerry_api_object_t * error_p = jerry_api_create_error (JERRY_API_ERROR_TYPE,
(jerry_api_char_t *) "error");
jerry_api_acquire_object (error_p);
ret_val_p->type = JERRY_API_DATA_TYPE_OBJECT;
ret_val_p->v_object = error_p;
jerry_api_release_object (error_p);
return false;
}
{
jerry_api_object_t * throw_obj_p = jerry_api_create_external_function (handler);
jerry_api_object_t * glob_obj_p = jerry_api_get_global ();
jerry_api_value_t val;
val.type = JERRY_API_DATA_TYPE_OBJECT;
val.v_object = throw_obj_p;
// after this, script can invoke the native handler through "error_func ();"
// and "error_func" throw a error on called
jerry_api_set_object_field_value (glob_obj_p, "error_func", &val);
jerry_api_release_object (glob_obj_p);
jerry_api_release_object (throw_obj_p);
}
{% endhighlight %}
**See also**
- [jerry_external_handler_t](#jerryexternalhandlert)
- [jerry_api_is_function](#jerryapiisfunction)
- [jerry_api_call_function](#jerryapicallfunction)
- [jerry_api_release_object](#jerryapireleaseobject)
- [jerry_api_create_external_function](#jerryapicreateexternalfunction)