mirror of
https://github.com/fluencelabs/assemblyscript
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Less prose; Update i64 example; More options for asc
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README.md
27
README.md
@ -3,34 +3,31 @@
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[](https://travis-ci.org/AssemblyScript/assemblyscript)
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**AssemblyScript** is a new compiler targeting [WebAssembly](http://webassembly.org) while utilizing [TypeScript](http://www.typescriptlang.org)'s syntax and [node](https://nodejs.org)'s vibrant ecosystem. Instead of requiring complex toolchains to set up, you can simply `npm install` it - or run it in a browser.
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Note, though, that this version of the compiler (0.5.0, NEXT) is relatively new and does not yet support some features a TypeScript programmer might expect, e.g., strings, arrays and classes.
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See [the AssemblyScript wiki](https://github.com/AssemblyScript/assemblyscript/wiki) for additional information and documentation.
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How does it work?
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-----------------
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By compiling syntactially (not necessarily semantically) valid TypeScript to [Binaryen](https://github.com/WebAssembly/binaryen) IR, the resulting module can be validated, optimized, emitted in WebAssembly text or binary format and converted to [asm.js](http://asmjs.org) as a polyfill.
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**AssemblyScript** compiles strictly typed [TypeScript](http://www.typescriptlang.org) to [WebAssembly](http://webassembly.org) using [Binaryen](https://github.com/WebAssembly/binaryen). Unlike more complex toolchains, `asc` generates minimal WebAssembly modules while being just an `npm install` away.
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Examples
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--------
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A few early examples to get an idea:
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* **[Conway's Game of Life](./examples/game-of-life)** as seen on dcode.io<br />
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* **[i64 polyfill](./examples/i64-polyfill)** using 32-bit integers<br />
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* **[Conway's Game of Life](./examples/game-of-life)**<br />
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Continuously updates the cellular automaton and visualizes its state on a canvas.
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* **[i64 polyfill](./examples/i64-polyfill)**<br />
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Exposes WebAssembly's i64 operations to JavaScript using 32-bit integers (low and high bits).
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Or browse the [compiler tests](./tests/compiler) for a more in-depth overview of what's supported already.
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Getting started
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---------------
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This version of the compiler is not on [npm](https://www.npmjs.com/package/assemblyscript), yet, but if you'd like to try it today or even plan to contribute, this is how you do it:
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Note that this version of the compiler is relatively new and does not yet support some features a TypeScript programmer might expect, e.g., strings, arrays and classes. It is not on [npm](https://www.npmjs.com/package/assemblyscript), yet, but you can already try it out today:
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```
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$> git clone https://github.com/AssemblyScript/assemblyscript.git
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$> cd assemblyscript
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$> npm install
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$> npm link
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```
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Author your module using either
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@ -41,9 +38,11 @@ Author your module using either
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and run:
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```
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$> node bin/asc yourModule.ts
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$> asc yourModule.ts
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```
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See [the AssemblyScript wiki](https://github.com/AssemblyScript/assemblyscript/wiki) for additional documentation.
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Building
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--------
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@ -143,6 +143,7 @@ var options = assemblyscript.createOptions();
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assemblyscript.setTarget(options, 0);
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assemblyscript.setNoTreeShaking(options, args.noTreeShaking);
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assemblyscript.setNoAssert(options, args.noAssert);
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assemblyscript.setNoMemory(options, args.noMemory);
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// TODO: noDebug binaryen feature, removing names the debug section
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var module = assemblyscript.compile(parser, options);
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@ -51,6 +51,10 @@
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"desc": "Does not include the standard library.",
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"type": "boolean"
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},
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"noMemory": {
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"desc": "Does not set up a memory.",
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"type": "boolean"
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},
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"trapMode": {
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"desc": [
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"Sets the trap mode to use.",
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@ -1,15 +1,126 @@
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i64 polyfill
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============
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@assemblyscript/i64
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===================
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An [AssemblyScript](http://assemblyscript.org) example. Exposes i64 operations to JS using 32-bit integers (low and high bits).
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Exposes WebAssembly's i64 operations to JavaScript using 32-bit integers (low and high bits).
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Instructions
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------------
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Usage
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-----
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```
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$> npm install @assemblyscript/i64
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```
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```ts
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import * as i64 from "@assemblyscript/i64";
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i64.div(10, 0, 2, 0);
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console.log("result: lo=" + i64.getLo() + ", hi=" + i64.getHi());
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```
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API
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---
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**Note** that `u32` is just an alias of `number` in JavaScript with values in 32-bit integer range.
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* **getLo**(): `u32`<br />
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Gets the low 32 bits of the computed 64-bit value.
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* **getHi**(): `u32`<br />
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Gets the high 32 bits of the computed 64-bit value.
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* **clz**(loLeft: `u32`, hiLeft: `u32`): `void`<br />
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Performs the sign-agnostic count leading zero bits operation. All zero bits are considered leading if the value is zero.
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* **ctz**(loLeft: `u32`, hiLeft: `u32`): `void`<br />
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Performs the sign-agnostic count tailing zero bits operation. All zero bits are considered trailing if the value is zero.
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* **popcnt**(loLeft: `u32`, hiLeft: `u32`): `void`<br />
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Performs the sign-agnostic count number of one bits operation.
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* **eqz**(loLeft: `u32`, hiLeft: `u32`): `void`<br />
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Performs the sign-agnostic equals-zero operation.
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* **add**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic addition operation.
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* **sub**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic subtraction operation.
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* **mul**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic multiplication operation.
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* **div_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed division operation.
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* **div_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned division operation.
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* **rem_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed remainder operation.
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* **rem_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned remainder operation.
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* **and**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic bitwise and operation.
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* **or**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic bitwise or operation.
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* **xor**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic bitwise xor operation.
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* **shl**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic bitwise shift left operation.
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* **shr_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed bitwise shift right operation.
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* **shr_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned bitwise shift right operation.
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* **rotl**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic rotate left operation.
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* **rotr**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic rotate right operation.
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* **eq**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic compare equal operation.
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* **ne**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the sign-agnostic compare unequal operation.
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* **lt_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed less than operation.
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* **lt_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned less than operation.
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* **le_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed less than or equal operation.
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* **le_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned less than or equal operation.
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* **gt_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed greater than operation.
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* **gt_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned greater than operation.
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* **ge_s**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the signed greater than or equal operation.
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* **ge_u**(loLeft: `u32`, hiLeft: `u32`, loRight: `u32`, hiRight: `u32`): `void`<br />
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Performs the unsigned greater than or equal operation.
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Building
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--------
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To build [assembly/i64.ts](./assembly/i64.ts) to an untouched and an optimized `.wasm` including their respective `.wast` representations, run:
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```
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$> npm run build
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```
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Afterwards, `require` the node module as usual (CommonJS entry point is [index.js](./index.js)).
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63
examples/i64-polyfill/index.d.ts
vendored
Normal file
63
examples/i64-polyfill/index.d.ts
vendored
Normal file
@ -0,0 +1,63 @@
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type u32 = number;
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/** Gets the low 32 bits of the computed 64-bit value. */
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export function getLo(): u32;
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/** Gets the high 32 bits of the computed 64-bit value. */
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export function getHi(): u32;
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/** Performs the sign-agnostic count leading zero bits operation. All zero bits are considered leading if the value is zero. */
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export function clz(loLeft: u32, hiLeft: u32): void;
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/** Performs the sign-agnostic count tailing zero bits operation. All zero bits are considered trailing if the value is zero. */
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export function ctz(loLeft: u32, hiLeft: u32): void;
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/** Performs the sign-agnostic count number of one bits operation. */
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export function popcnt(loLeft: u32, hiLeft: u32): void;
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/** Performs the sign-agnostic equals-zero operation. */
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export function eqz(loLeft: u32, hiLeft: u32): void;
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/** Performs the sign-agnostic addition operation. */
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export function add(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic subtraction operation. */
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export function sub(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic multiplication operation. */
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export function mul(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed division operation. */
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export function div_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned division operation. */
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export function div_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed remainder operation. */
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export function rem_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned remainder operation. */
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export function rem_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic bitwise and operation. */
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export function and(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic bitwise or operation. */
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export function or(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic bitwise xor operation. */
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export function xor(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic bitwise shift left operation. */
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export function shl(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed bitwise shift right operation. */
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export function shr_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned bitwise shift right operation. */
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export function shr_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic rotate left operation. */
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export function rotl(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic rotate right operation. */
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export function rotr(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic compare equal operation. */
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export function eq(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the sign-agnostic compare unequal operation. */
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export function ne(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed less than operation. */
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export function lt_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned less than operation. */
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export function lt_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed less than or equal operation. */
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export function le_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned less than or equal operation. */
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export function le_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed greater than operation.*/
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export function gt_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned greater than operation.*/
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export function gt_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the signed greater than or equal operation. */
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export function ge_s(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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/** Performs the unsigned greater than or equal operation. */
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export function ge_u(loLeft: u32, hiLeft: u32, loRight: u32, hiRight: u32): void;
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@ -1,10 +1,28 @@
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{
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"name": "@assemblyscript/i64-polyfill-example",
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"name": "@assemblyscript/i64",
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"version": "1.0.0",
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"private": true,
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"author": "Daniel Wirtz <dcode+assemblyscript@dcode.io>",
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"license": "Apache-2.0",
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"repository": {
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"type": "git",
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"url": "https://github.com/AssemblyScript/assemblyscript.git"
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},
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"bugs": {
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"url": "https://github.com/AssemblyScript/assemblyscript/issues"
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},
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"main": "index.js",
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"types": "index.d.ts",
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"scripts": {
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"build": "npm run build:untouched && npm run build:optimized",
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"build:untouched": "asc assembly/i64.ts -t i64.untouched.wast -b i64.untouched.wasm --validate",
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"build:optimized": "asc -O assembly/i64.ts -b i64.optimized.wasm -t i64.optimized.wast --validate"
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}
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"build:untouched": "asc assembly/i64.ts -t i64.untouched.wast -b i64.untouched.wasm --noMemory --validate",
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"build:optimized": "asc -O assembly/i64.ts -b i64.optimized.wasm -t i64.optimized.wast --noMemory --validate",
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"test": "node tests"
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},
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"files": [
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"assembly/",
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"i64.optimized.wasm",
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"index.d.ts",
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"index.js",
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"README.md"
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]
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}
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40
examples/i64-polyfill/tests/index.js
Normal file
40
examples/i64-polyfill/tests/index.js
Normal file
@ -0,0 +1,40 @@
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var assert = require("assert");
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function assertUnary(op, loLeft, hiLeft, loResult, hiResult) {
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op(loLeft, hiLeft);
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assert.strictEqual(i64.getLo(), loResult);
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assert.strictEqual(i64.getHi(), hiResult);
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}
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function assertBinary(op, loLeft, hiLeft, loRight, hiRight, loResult, hiResult) {
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op(loLeft, hiLeft, loLeft, loRight);
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assert.strictEqual(i64.getLo(), loResult);
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assert.strictEqual(i64.getHi(), hiResult);
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}
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var i64 = require("..");
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assertUnary(i64.clz, 1, 0, 63, 0);
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assertUnary(i64.clz, 0, 1, 31, 0);
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assertUnary(i64.clz, 1, 1, 31, 0);
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assertUnary(i64.clz, 0, 0, 64, 0);
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assertUnary(i64.ctz, 0, 0x80000000, 63, 0);
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assertUnary(i64.ctz, 0x80000000, 0x80000000, 31, 0);
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assertUnary(i64.ctz, 0, 1, 32, 0);
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assertUnary(i64.ctz, 1, 0, 0, 0);
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assertUnary(i64.ctz, 0, 0, 64, 0);
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assertUnary(i64.popcnt, 0x55555555, 0x55555555, 32, 0);
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assertUnary(i64.popcnt, -1, -1, 64, 0);
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assertUnary(i64.popcnt, 0, 0, 0, 0);
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assertUnary(i64.popcnt, 0x55, 0, 4, 0);
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assertUnary(i64.popcnt, 0, 0x55, 4, 0);
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assertUnary(i64.popcnt, 0x55, 0x55, 8, 0);
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assertUnary(i64.eqz, 0, 0, 1, 0);
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assertUnary(i64.eqz, 0, 1, 0, 0);
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assertUnary(i64.eqz, 1, 0, 0, 0);
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assertUnary(i64.eqz, 1, 1, 0, 0);
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// TODO...
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@ -5,10 +5,10 @@
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"license": "Apache-2.0",
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"repository": {
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"type": "git",
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"url": "https://github.com/AssemblyScript/next.git"
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"url": "https://github.com/AssemblyScript/assemblyscript.git"
|
||||
},
|
||||
"bugs": {
|
||||
"url": "https://github.com/AssemblyScript/next/issues"
|
||||
"url": "https://github.com/AssemblyScript/assemblyscript/issues"
|
||||
},
|
||||
"dependencies": {
|
||||
"binaryen": "40.0.0-nightly.20171209",
|
||||
|
||||
@ -134,6 +134,8 @@ export class Options {
|
||||
noTreeShaking: bool = false;
|
||||
/** If true, replaces assertions with nops. */
|
||||
noAssert: bool = false;
|
||||
/** If true, does not set up a memory. */
|
||||
noMemory: bool = false;
|
||||
}
|
||||
|
||||
/** Indicates the desired kind of a conversion. */
|
||||
@ -227,22 +229,23 @@ export class Compiler extends DiagnosticEmitter {
|
||||
}
|
||||
|
||||
// set up memory
|
||||
const initial: U64 = this.memoryOffset.clone();
|
||||
if (this.options.target == Target.WASM64)
|
||||
this.module.addGlobal("HEAP_BASE", NativeType.I64, false, this.module.createI64(initial.lo, initial.hi));
|
||||
else
|
||||
this.module.addGlobal("HEAP_BASE", NativeType.I32, false, this.module.createI32(initial.lo));
|
||||
if (!this.options.noMemory) {
|
||||
const initial: U64 = this.memoryOffset.clone();
|
||||
if (this.options.target == Target.WASM64)
|
||||
this.module.addGlobal("HEAP_BASE", NativeType.I64, false, this.module.createI64(initial.lo, initial.hi));
|
||||
else
|
||||
this.module.addGlobal("HEAP_BASE", NativeType.I32, false, this.module.createI32(initial.lo));
|
||||
|
||||
// determine initial page size
|
||||
const initialOverlaps: U64 = initial.clone();
|
||||
initialOverlaps.and32(0xffff);
|
||||
if (!initialOverlaps.isZero) {
|
||||
initial.or32(0xffff);
|
||||
initial.add32(1);
|
||||
// determine initial page size
|
||||
const initialOverlaps: U64 = initial.clone();
|
||||
initialOverlaps.and32(0xffff);
|
||||
if (!initialOverlaps.isZero) {
|
||||
initial.or32(0xffff);
|
||||
initial.add32(1);
|
||||
}
|
||||
initial.shru32(16); // now is initial size in 64k pages
|
||||
this.module.setMemory(initial.toI32(), Module.MAX_MEMORY_WASM32 /* TODO: not WASM64 compatible yet */, this.memorySegments, this.options.target, "memory");
|
||||
}
|
||||
initial.shru32(16); // now is initial size in 64k pages
|
||||
this.module.setMemory(initial.toI32(), Module.MAX_MEMORY_WASM32 /* TODO: not WASM64 compatible yet */, this.memorySegments, this.options.target, "memory");
|
||||
|
||||
return this.module;
|
||||
}
|
||||
|
||||
|
||||
@ -113,6 +113,11 @@ export function setNoAssert(options: Options, noAssert: bool): void {
|
||||
options.noAssert = noAssert;
|
||||
}
|
||||
|
||||
/** Sets the `noMemory` option. */
|
||||
export function setNoMemory(options: Options, noMemory: bool): void {
|
||||
options.noMemory = noMemory;
|
||||
}
|
||||
|
||||
/** Compiles the sources computed by the parser to a module. */
|
||||
export function compile(parser: Parser, options: Options | null = null): Module {
|
||||
const program: Program = parser.finish();
|
||||
|
||||
14
src/types.ts
14
src/types.ts
@ -137,15 +137,11 @@ export class Type {
|
||||
|
||||
/** Converts this type to its respective native type. */
|
||||
toNativeType(): NativeType {
|
||||
return this.kind == TypeKind.F32
|
||||
? NativeType.F32
|
||||
: this.kind == TypeKind.F64
|
||||
? NativeType.F64
|
||||
: this.isLongInteger
|
||||
? NativeType.I64
|
||||
: this.isAnyInteger || this.kind == TypeKind.BOOL
|
||||
? NativeType.I32
|
||||
: NativeType.None;
|
||||
return this.kind == TypeKind.F32 ? NativeType.F32
|
||||
: this.kind == TypeKind.F64 ? NativeType.F64
|
||||
: this.isLongInteger ? NativeType.I64
|
||||
: this.isAnyInteger ? NativeType.I32
|
||||
: NativeType.None;
|
||||
}
|
||||
|
||||
/** Converts this type to its native `0` value. */
|
||||
|
||||
@ -1300,35 +1300,35 @@
|
||||
../../examples/i64-polyfill/assembly/i64/gt_u
|
||||
../../examples/i64-polyfill/assembly/i64/ge_s
|
||||
../../examples/i64-polyfill/assembly/i64/ge_u
|
||||
i64/getHi
|
||||
i64/getLo
|
||||
i64/clz
|
||||
i64/ctz
|
||||
i64/popcnt
|
||||
i64/eqz
|
||||
i64/add
|
||||
i64/sub
|
||||
i64/mul
|
||||
i64/div_s
|
||||
i64/div_u
|
||||
i64/rem_s
|
||||
i64/rem_u
|
||||
i64/and
|
||||
i64/or
|
||||
i64/xor
|
||||
i64/shl
|
||||
i64/shr_s
|
||||
i64/shr_u
|
||||
i64/rotl
|
||||
i64/rotr
|
||||
i64/eq
|
||||
i64/ne
|
||||
i64/lt_s
|
||||
i64/lt_u
|
||||
i64/le_s
|
||||
i64/le_u
|
||||
i64/gt_s
|
||||
i64/gt_u
|
||||
i64/ge_s
|
||||
i64/ge_u
|
||||
i64-polyfill/getHi
|
||||
i64-polyfill/getLo
|
||||
i64-polyfill/clz
|
||||
i64-polyfill/ctz
|
||||
i64-polyfill/popcnt
|
||||
i64-polyfill/eqz
|
||||
i64-polyfill/add
|
||||
i64-polyfill/sub
|
||||
i64-polyfill/mul
|
||||
i64-polyfill/div_s
|
||||
i64-polyfill/div_u
|
||||
i64-polyfill/rem_s
|
||||
i64-polyfill/rem_u
|
||||
i64-polyfill/and
|
||||
i64-polyfill/or
|
||||
i64-polyfill/xor
|
||||
i64-polyfill/shl
|
||||
i64-polyfill/shr_s
|
||||
i64-polyfill/shr_u
|
||||
i64-polyfill/rotl
|
||||
i64-polyfill/rotr
|
||||
i64-polyfill/eq
|
||||
i64-polyfill/ne
|
||||
i64-polyfill/lt_s
|
||||
i64-polyfill/lt_u
|
||||
i64-polyfill/le_s
|
||||
i64-polyfill/le_u
|
||||
i64-polyfill/gt_s
|
||||
i64-polyfill/gt_u
|
||||
i64-polyfill/ge_s
|
||||
i64-polyfill/ge_u
|
||||
;)
|
||||
Loading…
x
Reference in New Issue
Block a user