Need some insights about the FFIGenpad sample project

[Sahil Kachhap]

Hello Everyone,

I am Sahil, and I wanted to know what's the expected flow of this sample project: "Compile some C code to wasm and call it from a webapp". 

Here's my understanding from the given project idea:

We provide C headers as input in our webapp -> use ffigen to generate dart bindings -> call js through js-interop feature which further calls wasm .

Please correct me if I am wrong here. Any suitable resource to understand more about this will be appreciated.

[Daco Harkes]

Hi Sahil,

Nice to meet you!

The webapp should do the following for our user:

1. They paste in a C header in the UI.

2. Somehow the webapp runs FFIgen on it.

3. The user sees generated dart bindings in the UI.

Now step 2 is the interesting part, how do we achieve that:

It should call WASM indeed.

One of the difficult tasks in this project is how to compile libclang (C/C++ code) and package FFIgen (Dart code) to WASM so that we can call it from the webapp.

For the sample project you should explore the first part of this: compile some C/C++ code to WASM and call it from a UI.

Kind regards,

 •  Daco Harkes
 •  Software Engineer
 •  dacoh...@google.com 

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