https://github.com/xtuc/holyc

An easy to use C++ to WASM compiler (Highly-experimental)
https://github.com/xtuc/holyc

compiler cpp wasm webassembly

Last synced: 15 days ago
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An easy to use C++ to WASM compiler (Highly-experimental)

• Host: GitHub
• URL: https://github.com/xtuc/holyc
• Owner: xtuc
• Created: 2018-02-06T16:40:41.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2018-05-29T14:27:14.000Z (over 6 years ago)
• Last Synced: 2024-10-03T12:33:41.484Z (about 1 month ago)
• Topics: compiler, cpp, wasm, webassembly
• Language: JavaScript
• Homepage:
• Size: 330 KB
• Stars: 39
• Watchers: 6
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# holyc

## Installation

```sh

npm install -g holyc

```

The first installation will be slow.

## Usage for C++

```sh

holyc++ path/to/something.cpp

```

The `WASM` binary will then be available at `something.cpp.wasm`.

### Options

|name|description|

|---|---|

|`--show-wast`|Show wast output|

|`--no-clean`|Disable cleaning of intermediate formats|

## FAQ

### How does it compare to Emscripten

Emscripten is able to compile the libc where Holyc won't.

You can easily reproduce this benchmark by following [C_to_wasm](https://developer.mozilla.org/en-US/docs/WebAssembly/C_to_wasm).

hello.c:

```c

int main() {

  return 0;

}

```

Emscripten:

| file | size (bytes) |

|---|---|

| hello.wasm | 21856 |

| hello.js (loader) | 99710 |

Holyc:

| file | size (bytes) |

|---|---|

| hello.wasm | 78 |

| hello.js (loader) | unknown currently (see [here](https://github.com/xtuc/holyc/blob/master/examples/dom/index.html#L20-L52) for a hint) |