Initial prototype

ewasm · Jun 25, 2018 · 51d705c · 51d705c
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diff --git a/README.md b/README.md
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+# Empty AssemblyScript Project
diff --git a/assembly/main.ts b/assembly/main.ts
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+// ewasm imports
+declare function ethereum_return(dataOffset: i32, length: i32): void;
+declare function ethereum_revert(dataOffset: i32, length: i32): void;
+declare function ethereum_callDataCopy(resultOffset: i32, dataOffset: i32, length: i32): void;
+declare function ethereum_callDataSize(): i32;
+declare function ethereum_storageStore(pathOffset: i32, valueOffset: i32): void;
+declare function ethereum_storageLoad(pathOffset: i32, resultOffset: i32): void;
+
+// TODO: need to implement a nice wrapper over the native functions which use native types and handle the memory
+
+// ewasm main function
+export function main(): void {
+  // assume the memory is already expanded..
+  ethereum_return(0, ethereum_callDataSize())
+}
diff --git a/assembly/tsconfig.json b/assembly/tsconfig.json
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+{
+  "extends": "../node_modules/assemblyscript/std/assembly.json",
+  "include": [
+    "./**/*.ts"
+  ]
+}
diff --git a/gulpfile.js b/gulpfile.js
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+const gulp = require("gulp");
+
+gulp.task("build", callback => {
+  const asc = require("assemblyscript/bin/asc");
+  asc.main([
+    "main.ts",
+    "--baseDir", "assembly",
+    "--binaryFile", "../out/main.wasm",
+    "--sourceMap",
+    "--measure"
+  ], callback);
+});
+
+gulp.task("default", ["build"]);
+
+gulp.task("project:load", () => { // WebAssembly Studio only
+  const utils = require("@wasm/studio-utils");
+  utils.eval(utils.project.getFile("setup.js").getData(), {
+    logLn,
+    project,
+    monaco,
+    fileTypeForExtension,
+  });
+});
diff --git a/out/main.wasm b/out/main.wasm
diff --git a/out/main.wasm.map b/out/main.wasm.map
diff --git a/package.json b/package.json
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+{
+  "name": "@wasm/empty_ts",
+  "description": "",
+  "version": "1.0.0",
+  "scripts": {
+    "build": "gulp"
+  },
+  "devDependencies": {
+    "assemblyscript": "AssemblyScript/assemblyscript",
+    "gulp": "^3.9.1"
+  },
+  "wasmStudio": {
+    "name": "Empty AssemblyScript Project",
+    "description": "# Empty AssemblyScript Project\n\n[AssemblyScript](https://github.com/AssemblyScript/assemblyscript) compiles strictly typed TypeScript to WebAssembly using Binaryen.\n\nSee the [AssemblyScript wiki](https://github.com/AssemblyScript/assemblyscript/wiki) for further instructions and documentation.",
+    "icon": "typescript-lang-file-icon"
+  }
+}
diff --git a/setup.js b/setup.js
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+// WebAssembly Studio only
+require.config({
+  paths: {
+    "binaryen": "https://rawgit.com/AssemblyScript/binaryen.js/master/index",
+    "assemblyscript": "https://rawgit.com/AssemblyScript/assemblyscript/master/dist/assemblyscript",
+    "assemblyscript/bin/asc": "https://rawgit.com/AssemblyScript/assemblyscript/master/dist/asc"
+  }
+});
+logLn("Loading AssemblyScript compiler ...");
+require(["assemblyscript/bin/asc"], asc => {
+  monaco.languages.typescript.typescriptDefaults.addExtraLib(asc.definitionFiles.assembly);
+  asc.main = (main => (args, options, fn) => {
+    if (typeof options === "function") {
+      fn = options;
+      options = undefined;
+    }
+    return main(args, options || {
+      stdout: asc.createMemoryStream(),
+      stderr: asc.createMemoryStream(logLn),
+      readFile: (filename) => {
+        const file = project.getFile(filename.replace(/^\//, ""));
+        return file ? file.data : null;
+      },
+      writeFile: (filename, contents) => {
+        const name = filename.startsWith("/") ? filename.substring(1) : filename;
+        const type = fileTypeForExtension(name.substring(name.lastIndexOf(".") + 1));
+        project.newFile(name, type, true).setData(contents);
+      },
+      listFiles: (dirname) => []
+    }, fn);
+  })(asc.main);
+  logLn("AssemblyScript compiler is ready!");
+});
diff --git a/src/main.html b/src/main.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+</head>
+<body style="background: #fff">
+  <span id="container"></span>
+  <script src="./main.js"></script>
+</body>
+</html>
diff --git a/src/main.js b/src/main.js
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+WebAssembly.instantiateStreaming(fetch("../out/main.wasm"), {
+  env: {
+    ethereum_callDataSize: function() {
+      console.log("callDataSize -> 32");
+      return 32;
+    },
+    ethereum_return: function(offest, length) {
+      console.log("return(" + offset + "," + length + ")");
+    }
+  }
+}).then(result => {
+  const exports = result.instance.exports;
+  exports.main();
+}).catch(console.error);
+