Questions tagged [dart-native-extension]
24 questions
1
vote
1 answer
Dart:io stdin raw character codes
I've created a Dart console app and need to process keycodes like Arrow keys and function keys from stdin? The samples I've seen are typically String based :
Stream readLine() => stdin.transform(UTF8.decoder).transform(new…
George Aslanis
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1
vote
1 answer
How to invoke operator from C++ in DART_API?
I get error when invoke this function:
Dart_Invoke(dh_value, Dart_NewStringFromCString("&="), 1, mask);
Here is error message:
Breaking on exception: Class 'int' has no instance method '&='.
How Dart programmers invoke operators in C++?
P.S.
I use…
mezoni
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1
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1 answer
How to throw a custom error from a dart extension dll?
I am trying to create an extension to wrap an existing DLL without extensive knowledge of C/++. I have used the sample extension as a base and everything seems to work fine, what I would like to do is have some error handling inside my dll.
Is…
Tom C
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0 answers
Dart native extension : asynchronous but blocking?
After some try, it's that I can see :
The extension execution is asynchronous from dart but not C, which is blocking while the current method has not completed.
Dart_NativeFunction ResolveName(Dart_Handle name, int argc);
Dart_Handle…
Nicolas François
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1
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1 answer
How to get Dart native extension demo "sample_extension" to work?
I am trying to get the Dart native extension example from this page to work.
http://www.dartlang.org/articles/native-extensions-for-standalone-dart-vm/
I am on Windows. I downloaded and extracted dart to C:\Program Files\dart
I checked out dartsSVN…
H.R.
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0 answers
How to Send Pointer from Native to Dart via Native Ports
I've been able to get simple strings passed from C to dart via FFI and Native Ports with on examples like:
// Basic working example on the C side
char * str = "some string";
Dart_CObject msg;
msg.type = Dart_CObject_kString;
msg.value.as_string =…
Kdigital
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1 answer
Get pointer to a struct from a Dart_NativeArguments struct in C
I'm trying to wrap a C library using Dart. I call into a C function from dart and pass in the arguments through a Dart_NativeArguments struct in C:
void _sayHello(Dart_NativeArguments arguments) {
string from;
Dart_Handle seed_object =…
Birdman
- 41
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0
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0 answers
Dart native extension demo “sample_extension” on VS2010 setup
I've been able to create/compile the simple_extension.dll (32bit) only on PC's with VS2010 C++ Express Edition. I'm following WHesse's article on native extensions section Building on Windows. My PC on the other hand has Windows 2008 Server R2…
George Aslanis
- 517
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- 11
0
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1 answer
Dart native extensions - what exactly does dart-ext do on library include
I include the following in my native extension :-
#include "qpid/client/Connection.h"
#include "qpid/client/Message.h"
#include "qpid/client/Session.h"
My Dart code using the native extension works, all fine and dandy, if however I include this…
user2685314
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