init

.gitignore

@@ -0,0 +1,3 @@
+.idea
+build
+node_modules

README.md

@@ -0,0 +1,6 @@
+To compile wasm file, run:
+```
+npm run asbuild
+```
+
+Wasm files will be generated in `build` directory.

assembly/index.ts

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+import "allocator/tlsf";
+//import "allocator/buddy";
+//import "allocator/arena";
+
+export function allocate(size: i32) :i32 {
+  return memory.allocate(size);
+}
+
+export function deallocate(ptr: i32, size: i32): void {
+  memory.free(ptr);
+}
+
+export function invoke(ptr: i32, size: i32): i32 {
+
+  let inputStr: string = String.fromUTF8(ptr, size);
+
+  let str = "Hello, world! From user " + inputStr;
+
+  let strLen: i32 = str.length;
+  let addr = memory.allocate(strLen + 4);
+  for (let i = 0; i < 4; i++) {
+    let b: u8 = (strLen >> i * 8) as u8 & 0xFF;
+    store<u8>(addr + i, b);
+  }
+
+  let strAddr = addr + 4;
+  for (let i = 0; i < strLen; i++) {
+    let b: u8 = str.charCodeAt(i) as u8;
+    store<u8>(strAddr + i, b);
+  }
+
+  return addr;
+}

assembly/tsconfig.json

@@ -0,0 +1,6 @@
+{
+  "extends": "../node_modules/assemblyscript/std/assembly.json",
+  "include": [
+    "./**/*.ts"
+  ]
+}

index.js

@@ -0,0 +1,6 @@
+const fs = require("fs");
+const compiled = new WebAssembly.Module(fs.readFileSync(__dirname + "/build/optimized.wasm"));
+const imports = {};
+Object.defineProperty(module, "exports", {
+  get: () => new WebAssembly.Instance(compiled, imports).exports
+});

package-lock.json

@@ -0,0 +1,155 @@
+{
+  "name": "example",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@protobufjs/utf8": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
+      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=",
+      "dev": true
+    },
+    "assemblyscript": {
+      "version": "github:AssemblyScript/assemblyscript#d4114150601d4a4074f63ca75cda692c2045f591",
+      "from": "github:AssemblyScript/assemblyscript",
+      "dev": true,
+      "requires": {
+        "@protobufjs/utf8": "^1.1.0",
+        "binaryen": "72.0.0-nightly.20190308",
+        "glob": "^7.1.3",
+        "long": "^4.0.0",
+        "opencollective-postinstall": "^2.0.0",
+        "source-map-support": "^0.5.10"
+      }
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "binaryen": {
+      "version": "72.0.0-nightly.20190308",
+      "resolved": "https://registry.npmjs.org/binaryen/-/binaryen-72.0.0-nightly.20190308.tgz",
+      "integrity": "sha512-aUa9Hc3rfvG/9GwUQBuxx1ApBZIOLSEv81nBgQ5ldq+yANenHO7Ml7m3bUrBbDLhIPX2+a26jei4+lLd7CGlJA==",
+      "dev": true
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "dev": true
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "glob": {
+      "version": "7.1.3",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
+      "integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
+      "dev": true,
+      "requires": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      }
+    },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
+    },
+    "inherits": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
+    },
+    "long": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==",
+      "dev": true
+    },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "^1.1.7"
+      }
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "opencollective-postinstall": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/opencollective-postinstall/-/opencollective-postinstall-2.0.2.tgz",
+      "integrity": "sha512-pVOEP16TrAO2/fjej1IdOyupJY8KDUM1CvsaScRbw6oddvpQoOfGk4ywha0HKKVAD6RkW4x6Q+tNBwhf3Bgpuw==",
+      "dev": true
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "dev": true
+    },
+    "source-map-support": {
+      "version": "0.5.10",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.10.tgz",
+      "integrity": "sha512-YfQ3tQFTK/yzlGJuX8pTwa4tifQj4QS2Mj7UegOu8jAz59MqIiMGPXxQhVQiIMNzayuUSF/jEuVnfFF5JqybmQ==",
+      "dev": true,
+      "requires": {
+        "buffer-from": "^1.0.0",
+        "source-map": "^0.6.0"
+      }
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  }
+}

package.json

@@ -0,0 +1,16 @@
+{
+  "name": "assemblyscript-helloworld",
+  "version": "0.0.1",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat --sourceMap --validate --optimize --use abort=''",
+    "asbuild": "npm run asbuild:optimized"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "assemblyscript": "github:AssemblyScript/assemblyscript"
+  }
+}