Import

remko · Oct 27, 2023 · 2086520 · 2086520
commit 2086520
Show file tree

Hide file tree

Showing 23 changed files with 5,384 additions and 0 deletions.
diff --git a/.eslintignore b/.eslintignore
@@ -0,0 +1,2 @@
+public/uxn-wasm/dist
+build/
diff --git a/.eslintrc.yml b/.eslintrc.yml
@@ -0,0 +1,13 @@
+env:
+  browser: true
+  es2021: true
+  node: true
+extends:
+  - 'eslint:recommended'
+parserOptions:
+  ecmaVersion: 12
+  sourceType: module
+plugins:
+  - prettier
+rules: 
+  "prettier/prettier": "error"  
diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
@@ -0,0 +1,21 @@
+name: "Setup project"
+runs:
+  using: "composite"
+  steps:
+  - uses: actions/setup-node@v3
+    with:
+      node-version: 17
+      cache: 'yarn'
+  - run: |
+      curl -L -s https://github.com/WebAssembly/wabt/releases/download/1.0.31/wabt-1.0.31-ubuntu.tar.gz | tar xvz -C /tmp
+      sudo mv /tmp/wabt-1.0.31/bin/* /usr/local/bin
+      sudo mv /tmp/wabt-1.0.31/include/* /usr/local/include
+      sudo mv /tmp/wabt-1.0.31/lib/*.a /usr/local/lib
+      sudo mv /tmp/wabt-1.0.31/share/wabt /usr/local/share
+    shell: bash
+  - run: |
+      curl -L -s https://rabbits.srht.site/uxn/uxn-essentials-lin64.tar.gz | tar xvz 
+      echo "$GITHUB_WORKSPACE/uxn" >> $GITHUB_PATH
+    shell: bash
+  - run: yarnpkg --pure-lockfile
+    shell: bash
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -0,0 +1,17 @@
+name: Build
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  workflow_call:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/setup
+      - run: make
+      - run: make lint
+      - run: make test
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
@@ -0,0 +1,31 @@
+name: Publish
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    uses: ./.github/workflows/build.yml
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/setup
+      - run: make
+      - name: "Upload artifacts"
+        run: |
+          for f in `find build -name 'uxn-wasm.*'`; do
+            curl --fail \
+              -H "Authorization: token $GITHUB_TOKEN" \
+              -H "Content-Type: $(file -b --mime-type $f)" \
+              --data-binary @$f \
+              "$RELEASE_ASSETS_UPLOAD_URL?name=$(basename $f)"
+          done
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          RELEASE_ASSETS_UPLOAD_URL: https://uploads.github.com/repos/${{ github.event.repository.full_name}}/releases/${{ github.event.release.id }}/assets
+        shell: bash
+
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,4 @@
+/node_modules
+/build
+/public/uxn-wasm
+/*.wasm
diff --git a/Makefile b/Makefile
@@ -0,0 +1,33 @@
+WAT2WASM=wat2wasm
+ESLINT=./node_modules/.bin/eslint
+WAT2WASM_FLAGS=
+BUILD_FLAGS=
+ifeq ($(DEBUG),1)
+WAT2WASM_FLAGS:=$(WAT2WASM_FLAGS) --debug-names
+BUILD_FLAGS:=--development
+endif
+
+all: build
+
+.PHONY: build
+build: uxn.wasm
+	./build.js $(BUILD_FLAGS)
+
+dev:
+	./build.js $(BUILD_FLAGS) --watch
+
+.PHONY: test
+test:
+	./test.js
+
+test-dev:
+	./test.js --watch
+
+%.wasm: %.wat
+	$(WAT2WASM) $(WAT2WASM_FLAGS) -o $@ $<
+
+clean:
+	-rm -rf build public/uxn-wasm uxn.wasm
+
+lint:
+	$(ESLINT) .
diff --git a/README.md b/README.md
@@ -0,0 +1,3 @@
+# Uxn implementation in WebAssembly
+
+[![Build](https://github.com/remko/uxn.wasm/actions/workflows/build.yml/badge.svg)](https://github.com/remko/uxn.wasm/actions/workflows/build.yml)
diff --git a/build.js b/build.js
@@ -0,0 +1,140 @@
+#!/usr/bin/env node
+/* eslint-env node */
+
+const esbuild = require("esbuild");
+const path = require("path");
+const fs = require("fs");
+const { createServer } = require("http");
+const { wasmTextPlugin } = require("./scripts/esbuild/wasm-text");
+const { uxntalPlugin } = require("./scripts/esbuild/uxntal");
+
+let dev = false;
+let watch = false;
+for (const arg of process.argv.slice(2)) {
+  switch (arg) {
+    case "--development":
+      dev = true;
+      break;
+    case "--watch":
+      watch = true;
+      break;
+  }
+}
+
+const INDEX_TEMPLATE = `<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="black">
+    <meta name="theme-color" content="#000000" />
+    <link href="/uxn-wasm/dist/$BASE.css" rel="stylesheet" />
+    <title>$TITLE</title>
+  </head>
+  <body>
+    <script type="text/javascript" src="/uxn-wasm/dist/$BASE.js"></script>
+  </body>
+</html>
+`;
+
+async function handleBuildFinished(result) {
+  const indexes = [["UXN.WASM Tests", "tests", "public/uxn-wasm/tests"]];
+  for (const [title, base, outpath] of indexes) {
+    let index = INDEX_TEMPLATE.replace(/\$BASE/g, base).replace(
+      /\$TITLE/g,
+      title
+    );
+    for (const [out] of Object.entries(result.metafile.outputs)) {
+      const outfile = path.basename(out);
+      const sourcefile = outfile.replace(/-c\$[^.]+\./, ".");
+      // console.log("%s -> %s", sourcefile, outfile);
+      index = index.replace(`/${sourcefile}`, `/${outfile}`);
+    }
+    await fs.promises.mkdir(outpath, { recursive: true });
+    await fs.promises.writeFile(path.join(outpath, "index.html"), index);
+  }
+}
+
+const buildOptions = {
+  bundle: true,
+  logLevel: "info",
+  entryPoints: [path.join(__dirname, "src", "web", "waforth")],
+  minify: !dev,
+  format: "iife",
+  loader: {
+    ".wasm": "binary",
+    ".rom": "binary",
+  },
+  sourcemap: true,
+  plugins: [wasmTextPlugin({ debug: true }), uxntalPlugin()],
+};
+
+const packageBuildOptions = {
+  ...buildOptions,
+  entryPoints: [path.join(__dirname, "uxn")],
+  outfile: path.join(__dirname, "build", "uxn-wasm.js"),
+  format: "iife",
+  globalName: "UxnWASM",
+};
+
+let webBuildOptions = {
+  ...buildOptions,
+  entryPoints: [path.join(__dirname, "tests", "tests")],
+  entryNames: dev ? "[name]" : "[name]-c$[hash]",
+  assetNames: "[name]-c$[hash]",
+  // target: "es6",
+  outdir: path.join(__dirname, "public/uxn-wasm/dist"),
+  publicPath: "/uxn-wasm/dist",
+  external: ["fs", "stream", "util", "events", "path"],
+  metafile: true,
+  plugins: buildOptions.plugins.concat([
+    {
+      name: "watch",
+      setup(build) {
+        build.onEnd((result) => {
+          if (result.errors.length > 0) {
+            return;
+          }
+          handleBuildFinished(result);
+        });
+      },
+    },
+  ]),
+};
+
+if (watch) {
+  (async () => {
+    // Simple static file server
+    createServer(async function (req, res) {
+      const url = req.url.replace(/\?.*/g, "");
+      let f = path.join(__dirname, "public", url);
+      try {
+        if ((await fs.promises.lstat(f)).isDirectory()) {
+          f = path.join(f, "index.html");
+        }
+      } catch (e) {
+        // pass
+      }
+      try {
+        const data = await fs.promises.readFile(f);
+        res.writeHead(200);
+        res.end(data);
+      } catch (err) {
+        res.writeHead(404);
+        res.end(JSON.stringify(err));
+      }
+    }).listen(8080);
+
+    console.log("listening on port 8080");
+
+    const webCtx = await esbuild.context(webBuildOptions);
+    webCtx.watch();
+
+    const packageCtx = await esbuild.context(packageBuildOptions);
+    packageCtx.watch();
+  })();
+} else {
+  esbuild.build(packageBuildOptions);
+  esbuild.build(webBuildOptions);
+}
diff --git a/package.json b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "uxn.wasm",
+  "version": "0.0.1",
+  "main": "index.js",
+  "author": "Remko Tronçon <[email protected]>",
+  "license": "MIT",
+  "devDependencies": {
+    "chai": "^4.3.6",
+    "esbuild": "^0.19.5",
+    "eslint": "^8.13.0",
+    "eslint-plugin-prettier": "^4.0.0",
+    "mocha": "^9.2.2",
+    "prettier": "^2.6.2"
+  }
+}
diff --git a/public/index.html b/public/index.html
@@ -0,0 +1 @@
+<html><head><meta http-equiv="refresh" content="0;url=/uxn-wasm/tests" /></head></html>
diff --git a/scripts/esbuild/uxntal.js b/scripts/esbuild/uxntal.js
@@ -0,0 +1,40 @@
+/* eslint-env node */
+
+const { promisify } = require("util");
+const exec = promisify(require("child_process").exec);
+const path = require("path");
+
+function uxntalPlugin() {
+  return {
+    name: "uxntal",
+    setup(build) {
+      build.onResolve({ filter: /.\.tal$/ }, async (args) => {
+        if (args.resolveDir === "") {
+          return;
+        }
+        const talPath = path.isAbsolute(args.path)
+          ? args.path
+          : path.join(args.resolveDir, args.path);
+        return {
+          path: talPath,
+          namespace: "uxntal",
+          watchFiles: [talPath],
+        };
+      });
+      build.onLoad({ filter: /.*/, namespace: "uxntal" }, async (args) => {
+        // console.log("wat: compiling %s", args.path);
+        const r = await exec(`uxnasm ${args.path} -`, {
+          encoding: "buffer",
+        });
+        return {
+          contents: r.stdout,
+          loader: "binary",
+        };
+      });
+    },
+  };
+}
+
+module.exports = {
+  uxntalPlugin,
+};
diff --git a/scripts/esbuild/wasm-text.js b/scripts/esbuild/wasm-text.js
@@ -0,0 +1,45 @@
+/* eslint-env node */
+
+const { promisify } = require("util");
+const exec = promisify(require("child_process").exec);
+const path = require("path");
+
+function wasmTextPlugin({ debug } = {}) {
+  return {
+    name: "wasm-text",
+    setup(build) {
+      build.onResolve({ filter: /.\.wat$/ }, async (args) => {
+        if (args.resolveDir === "") {
+          return;
+        }
+        const watPath = path.isAbsolute(args.path)
+          ? args.path
+          : path.join(args.resolveDir, args.path);
+        return {
+          path: watPath,
+          namespace: "wasm-text",
+          watchFiles: [watPath],
+        };
+      });
+      build.onLoad({ filter: /.*/, namespace: "wasm-text" }, async (args) => {
+        let flags = [];
+        if (debug) {
+          flags.push("--debug-names");
+        }
+        // console.log("wat: compiling %s", args.path);
+        const r = await exec(
+          `wat2wasm ${flags.join(" ")} --output=- ${args.path}`,
+          { encoding: "buffer" }
+        );
+        return {
+          contents: r.stdout,
+          loader: "binary",
+        };
+      });
+    },
+  };
+}
+
+module.exports = {
+  wasmTextPlugin,
+};
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		# Uxn implementation in WebAssembly

		[![Build](https://github.com/remko/uxn.wasm/actions/workflows/build.yml/badge.svg)](https://github.com/remko/uxn.wasm/actions/workflows/build.yml)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		<html><head><meta http-equiv="refresh" content="0;url=/uxn-wasm/tests" /></head></html>