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move to wasm-bindgen + supporting application

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rmliddle
2018-10-28 13:23:00 +11:00
parent 1c376252a4
commit 72d53fe807
7 changed files with 95 additions and 2 deletions
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10
wasm/Cargo.toml
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@@ -1,7 +1,10 @@
[package]
name = "rustpython_wasm"
version = "0.1.0"
authors = ["rmliddle <ryan@rmliddle.com>"]
authors = ["Ryan Liddle <ryan@rmliddle.com>"]
[lib]
crate-type = ["cdylib", "rlib"]
[workspace]
members = []
@@ -9,6 +12,9 @@ members = []
[dependencies]
rustpython_parser = {path = "../parser"}
rustpython_vm = {path = "../vm"}
cfg-if = "0.1.2"
wasm-bindgen = "0.2"
[profile.release]
opt-level = 's'
opt-level = "s"

5
wasm/app/bootstrap.js vendored Normal file
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@@ -0,0 +1,5 @@
// A dependency graph that contains any wasm must all be imported
// asynchronously. This `bootstrap.js` file does the single async import, so
// that no one else needs to worry about it again.
import("./index.js")
.catch(e => console.error("Error importing `index.js`:", e));

10
wasm/app/index.html Normal file
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@@ -0,0 +1,10 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello wasm-pack!</title>
</head>
<body>
<script src="./bootstrap.js"></script>
</body>
</html>

3
wasm/app/index.js Normal file
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@@ -0,0 +1,3 @@
import * as rp from "rustpython_wasm";
rp.run_code("print('Hello Python!')\n");

27
wasm/app/package.json Normal file
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@@ -0,0 +1,27 @@
{
"name": "app",
"version": "1.0.0",
"description": "",
"main": "index.js",
"dependencies": {
"hello-wasm-pack": "^0.1.0",
"webpack": "^4.16.3",
"webpack-cli": "^3.1.0",
"webpack-dev-server": "^3.1.5",
"copy-webpack-plugin": "^4.5.2"
},
"devDependencies": {},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": {
"type": "git",
"url": "git+https://github.com/RustPython/RustPython.git"
},
"author": "Ryan Liddle",
"license": "MIT",
"bugs": {
"url": "https://github.com/RustPython/RustPython/issues"
},
"homepage": "https://github.com/RustPython/RustPython#readme"
}

14
wasm/app/webpack.config.js Normal file
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@@ -0,0 +1,14 @@
const CopyWebpackPlugin = require("copy-webpack-plugin");
const path = require('path');
module.exports = {
entry: "./bootstrap.js",
output: {
path: path.resolve(__dirname, "dist"),
filename: "bootstrap.js",
},
mode: "development",
plugins: [
new CopyWebpackPlugin(['index.html'])
],
};

28
wasm/src/lib.rs Normal file
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@@ -0,0 +1,28 @@
extern crate rustpython_vm;
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
use rustpython_vm::VirtualMachine;
use rustpython_vm::compile;
#[wasm_bindgen]
extern "C" {
// Use `js_namespace` here to bind `console.log(..)` instead of just
// `log(..)`
#[wasm_bindgen(js_namespace = console)]
fn log(s: &str);
}
#[wasm_bindgen]
pub fn run_code(source: &str) -> () {
//add hash in here
log("Running RustPython");
log(&source.to_string());
let mut vm = VirtualMachine::new();
let code_obj = compile::compile(&mut vm, &source.to_string(), compile::Mode::Exec, None);
let builtins = vm.get_builtin_scope();
let vars = vm.context().new_scope(Some(builtins));
match vm.run_code_obj(code_obj.unwrap(), vars) {
Ok(_value) => log("Execution successful"),
Err(_) => log("Execution failed")
}
}