mirror of
https://github.com/SymboScript/Book.git
synced 2024-11-23 21:56:23 +03:00
375 lines
15 KiB
HTML
375 lines
15 KiB
HTML
|
<!DOCTYPE HTML>
|
||
|
|
<html lang="en" class="light" dir="ltr">
|
||
|
|
<head>
|
||
|
|
<!-- Book generated using mdBook -->
|
||
|
|
<meta charset="UTF-8">
|
||
|
|
<title>SymboScript book</title>
|
||
|
|
<meta name="robots" content="noindex">
|
||
|
|
|
||
|
|
|
||
|
|
<!-- Custom HTML head -->
|
||
|
|
|
||
|
|
<meta name="description" content="">
|
||
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||
|
|
<meta name="theme-color" content="#ffffff">
|
||
|
|
|
||
|
|
<link rel="icon" href="favicon.svg">
|
||
|
|
<link rel="shortcut icon" href="favicon.png">
|
||
|
|
<link rel="stylesheet" href="css/variables.css">
|
||
|
|
<link rel="stylesheet" href="css/general.css">
|
||
|
|
<link rel="stylesheet" href="css/chrome.css">
|
||
|
|
<link rel="stylesheet" href="css/print.css" media="print">
|
||
|
|
|
||
|
|
<!-- Fonts -->
|
||
|
|
<link rel="stylesheet" href="FontAwesome/css/font-awesome.css">
|
||
|
|
<link rel="stylesheet" href="fonts/fonts.css">
|
||
|
|
|
||
|
|
<!-- Highlight.js Stylesheets -->
|
||
|
|
<link rel="stylesheet" href="highlight.css">
|
||
|
|
<link rel="stylesheet" href="tomorrow-night.css">
|
||
|
|
<link rel="stylesheet" href="ayu-highlight.css">
|
||
|
|
|
||
|
|
<!-- Custom theme stylesheets -->
|
||
|
|
|
||
|
|
</head>
|
||
|
|
<body class="sidebar-visible no-js">
|
||
|
|
<div id="body-container">
|
||
|
|
<!-- Provide site root to javascript -->
|
||
|
|
<script>
|
||
|
|
var path_to_root = "";
|
||
|
|
var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "navy" : "light";
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<!-- Work around some values being stored in localStorage wrapped in quotes -->
|
||
|
|
<script>
|
||
|
|
try {
|
||
|
|
var theme = localStorage.getItem('mdbook-theme');
|
||
|
|
var sidebar = localStorage.getItem('mdbook-sidebar');
|
||
|
|
|
||
|
|
if (theme.startsWith('"') && theme.endsWith('"')) {
|
||
|
|
localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sidebar.startsWith('"') && sidebar.endsWith('"')) {
|
||
|
|
localStorage.setItem('mdbook-sidebar', sidebar.slice(1, sidebar.length - 1));
|
||
|
|
}
|
||
|
|
} catch (e) { }
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<!-- Set the theme before any content is loaded, prevents flash -->
|
||
|
|
<script>
|
||
|
|
var theme;
|
||
|
|
try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
|
||
|
|
if (theme === null || theme === undefined) { theme = default_theme; }
|
||
|
|
var html = document.querySelector('html');
|
||
|
|
html.classList.remove('light')
|
||
|
|
html.classList.add(theme);
|
||
|
|
var body = document.querySelector('body');
|
||
|
|
body.classList.remove('no-js')
|
||
|
|
body.classList.add('js');
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<input type="checkbox" id="sidebar-toggle-anchor" class="hidden">
|
||
|
|
|
||
|
|
<!-- Hide / unhide sidebar before it is displayed -->
|
||
|
|
<script>
|
||
|
|
var body = document.querySelector('body');
|
||
|
|
var sidebar = null;
|
||
|
|
var sidebar_toggle = document.getElementById("sidebar-toggle-anchor");
|
||
|
|
if (document.body.clientWidth >= 1080) {
|
||
|
|
try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
|
||
|
|
sidebar = sidebar || 'visible';
|
||
|
|
} else {
|
||
|
|
sidebar = 'hidden';
|
||
|
|
}
|
||
|
|
sidebar_toggle.checked = sidebar === 'visible';
|
||
|
|
body.classList.remove('sidebar-visible');
|
||
|
|
body.classList.add("sidebar-" + sidebar);
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<nav id="sidebar" class="sidebar" aria-label="Table of contents">
|
||
|
|
<div class="sidebar-scrollbox">
|
||
|
|
<ol class="chapter"><li class="chapter-item expanded "><a href="specification/index.html"><strong aria-hidden="true">1.</strong> Specification</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="specification/tokens/index.html"><strong aria-hidden="true">1.1.</strong> Tokens</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="specification/tokens/token-format.html"><strong aria-hidden="true">1.1.1.</strong> Token format</a></li><li class="chapter-item expanded "><a href="specification/tokens/token-kinds.html"><strong aria-hidden="true">1.1.2.</strong> Token Kinds</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="specification/tokens/kinds/operators.html"><strong aria-hidden="true">1.1.2.1.</strong> Operators</a></li><li class="chapter-item expanded "><a href="specification/tokens/kinds/keywords.html"><strong aria-hidden="true">1.1.2.2.</strong> Keywords</a></li><li class="chapter-item expanded "><a href="specification/tokens/kinds/identifiers.html"><strong aria-hidden="true">1.1.2.3.</strong> Identifiers</a></li><li class="chapter-item expanded "><a href="specification/tokens/kinds/literals.html"><strong aria-hidden="true">1.1.2.4.</strong> Literals</a></li><li class="chapter-item expanded "><a href="specification/tokens/kinds/brackets.html"><strong aria-hidden="true">1.1.2.5.</strong> Brackets</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="examples/index.html"><strong aria-hidden="true">1.2.</strong> Examples</a></li></ol></li></ol>
|
||
|
|
</div>
|
||
|
|
<div id="sidebar-resize-handle" class="sidebar-resize-handle">
|
||
|
|
<div class="sidebar-resize-indicator"></div>
|
||
|
|
</div>
|
||
|
|
</nav>
|
||
|
|
|
||
|
|
<!-- Track and set sidebar scroll position -->
|
||
|
|
<script>
|
||
|
|
var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
|
||
|
|
sidebarScrollbox.addEventListener('click', function(e) {
|
||
|
|
if (e.target.tagName === 'A') {
|
||
|
|
sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
|
||
|
|
}
|
||
|
|
}, { passive: true });
|
||
|
|
var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
|
||
|
|
sessionStorage.removeItem('sidebar-scroll');
|
||
|
|
if (sidebarScrollTop) {
|
||
|
|
// preserve sidebar scroll position when navigating via links within sidebar
|
||
|
|
sidebarScrollbox.scrollTop = sidebarScrollTop;
|
||
|
|
} else {
|
||
|
|
// scroll sidebar to current active section when navigating via "next/previous chapter" buttons
|
||
|
|
var activeSection = document.querySelector('#sidebar .active');
|
||
|
|
if (activeSection) {
|
||
|
|
activeSection.scrollIntoView({ block: 'center' });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<div id="page-wrapper" class="page-wrapper">
|
||
|
|
|
||
|
|
<div class="page">
|
||
|
|
<div id="menu-bar-hover-placeholder"></div>
|
||
|
|
<div id="menu-bar" class="menu-bar sticky">
|
||
|
|
<div class="left-buttons">
|
||
|
|
<label id="sidebar-toggle" class="icon-button" for="sidebar-toggle-anchor" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
|
||
|
|
<i class="fa fa-bars"></i>
|
||
|
|
</label>
|
||
|
|
<button id="theme-toggle" class="icon-button" type="button" title="Change theme" aria-label="Change theme" aria-haspopup="true" aria-expanded="false" aria-controls="theme-list">
|
||
|
|
<i class="fa fa-paint-brush"></i>
|
||
|
|
</button>
|
||
|
|
<ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
|
||
|
|
<li role="none"><button role="menuitem" class="theme" id="light">Light</button></li>
|
||
|
|
<li role="none"><button role="menuitem" class="theme" id="rust">Rust</button></li>
|
||
|
|
<li role="none"><button role="menuitem" class="theme" id="coal">Coal</button></li>
|
||
|
|
<li role="none"><button role="menuitem" class="theme" id="navy">Navy</button></li>
|
||
|
|
<li role="none"><button role="menuitem" class="theme" id="ayu">Ayu</button></li>
|
||
|
|
</ul>
|
||
|
|
<button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
|
||
|
|
<i class="fa fa-search"></i>
|
||
|
|
</button>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<h1 class="menu-title">SymboScript book</h1>
|
||
|
|
|
||
|
|
<div class="right-buttons">
|
||
|
|
<a href="print.html" title="Print this book" aria-label="Print this book">
|
||
|
|
<i id="print-button" class="fa fa-print"></i>
|
||
|
|
</a>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<div id="search-wrapper" class="hidden">
|
||
|
|
<form id="searchbar-outer" class="searchbar-outer">
|
||
|
|
<input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
|
||
|
|
</form>
|
||
|
|
<div id="searchresults-outer" class="searchresults-outer hidden">
|
||
|
|
<div id="searchresults-header" class="searchresults-header"></div>
|
||
|
|
<ul id="searchresults">
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
|
||
|
|
<script>
|
||
|
|
document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
|
||
|
|
document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
|
||
|
|
Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
|
||
|
|
link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
|
||
|
|
});
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<div id="content" class="content">
|
||
|
|
<main>
|
||
|
|
<h1 id="specification"><a class="header" href="#specification">Specification</a></h1>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="tokens"><a class="header" href="#tokens">Tokens</a></h1>
|
||
|
|
<p>This chapter describes the tokens specification. All of the tokens in the design are described in this section.</p>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="token-format"><a class="header" href="#token-format">Token format</a></h1>
|
||
|
|
<p><a href="https://github.com/SymboScript/SymboScript/blob/main/types/src/lexer.rs#L4-L15">Token</a></p>
|
||
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
||
|
|
</span><span class="boring">fn main() {
|
||
|
|
</span>pub struct Token {
|
||
|
|
/// Token Type
|
||
|
|
pub kind: TokenKind,
|
||
|
|
|
||
|
|
/// Start offset in source
|
||
|
|
pub start: usize,
|
||
|
|
|
||
|
|
/// End offset in source
|
||
|
|
pub end: usize,
|
||
|
|
|
||
|
|
pub value: TokenValue,
|
||
|
|
}
|
||
|
|
<span class="boring">}</span></code></pre></pre>
|
||
|
|
<p><a href="https://github.com/SymboScript/SymboScript/blob/main/types/src/lexer.rs#L110-L114">TokenValue</a></p>
|
||
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
||
|
|
</span><span class="boring">fn main() {
|
||
|
|
</span>pub enum TokenValue {
|
||
|
|
None,
|
||
|
|
Number(f64),
|
||
|
|
String(String),
|
||
|
|
}
|
||
|
|
<span class="boring">}</span></code></pre></pre>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="token-kinds"><a class="header" href="#token-kinds">Token Kinds</a></h1>
|
||
|
|
<p>This chapter describes the token kinds used in the spec.</p>
|
||
|
|
<p><a href="https://github.com/SymboScript/SymboScript/blob/main/types/src/lexer.rs#L18-L107">Kinds</a></p>
|
||
|
|
<pre><pre class="playground"><code class="language-rust"><span class="boring">#![allow(unused)]
|
||
|
|
</span><span class="boring">fn main() {
|
||
|
|
</span>pub enum TokenKind {
|
||
|
|
Eof, // end of file
|
||
|
|
Comment,
|
||
|
|
Unexpected,
|
||
|
|
|
||
|
|
Semicolon,
|
||
|
|
Comma,
|
||
|
|
Colon,
|
||
|
|
Dot,
|
||
|
|
|
||
|
|
// Operators
|
||
|
|
Plus,
|
||
|
|
Minus,
|
||
|
|
Star,
|
||
|
|
Slash,
|
||
|
|
Power,
|
||
|
|
Range,
|
||
|
|
Modulo,
|
||
|
|
|
||
|
|
// Bitwise operators (Keyword2Operator)
|
||
|
|
BitAnd,
|
||
|
|
BitOr,
|
||
|
|
BitNot,
|
||
|
|
BitXor,
|
||
|
|
BitLeftShift,
|
||
|
|
BitRightShift,
|
||
|
|
|
||
|
|
// Unary operators
|
||
|
|
PlusPlus,
|
||
|
|
MinusMinus,
|
||
|
|
Question,
|
||
|
|
|
||
|
|
// Logic operators (Keyword2Operator)
|
||
|
|
And,
|
||
|
|
Or,
|
||
|
|
Xor,
|
||
|
|
Not,
|
||
|
|
|
||
|
|
/// Assignments operators (+=, -=, *=, /=...)
|
||
|
|
Assign,
|
||
|
|
FormulaAssign,
|
||
|
|
PlusAssign,
|
||
|
|
MinusAssign,
|
||
|
|
MultiplyAssign,
|
||
|
|
DivideAssign,
|
||
|
|
PowerAssign,
|
||
|
|
ModuloAssign,
|
||
|
|
|
||
|
|
// Comparison operators
|
||
|
|
Equal,
|
||
|
|
NotEqual,
|
||
|
|
Less,
|
||
|
|
LessEqual,
|
||
|
|
Greater,
|
||
|
|
GreaterEqual,
|
||
|
|
|
||
|
|
// Brackets
|
||
|
|
LParen,
|
||
|
|
RParen,
|
||
|
|
LBrace,
|
||
|
|
RBrace,
|
||
|
|
LBracket,
|
||
|
|
RBracket,
|
||
|
|
|
||
|
|
// Identifiers
|
||
|
|
Identifier,
|
||
|
|
|
||
|
|
// Literals
|
||
|
|
Number,
|
||
|
|
Str,
|
||
|
|
|
||
|
|
// --- Keywords ---
|
||
|
|
|
||
|
|
// Keyword literals
|
||
|
|
True,
|
||
|
|
False,
|
||
|
|
|
||
|
|
// Keywords
|
||
|
|
If,
|
||
|
|
Else,
|
||
|
|
While,
|
||
|
|
For,
|
||
|
|
Loop,
|
||
|
|
Let,
|
||
|
|
Return,
|
||
|
|
Break,
|
||
|
|
Continue,
|
||
|
|
Function,
|
||
|
|
In,
|
||
|
|
}
|
||
|
|
<span class="boring">}</span></code></pre></pre>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="operators"><a class="header" href="#operators">Operators</a></h1>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="keywords"><a class="header" href="#keywords">Keywords</a></h1>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="identifiers"><a class="header" href="#identifiers">Identifiers</a></h1>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="literals"><a class="header" href="#literals">Literals</a></h1>
|
||
|
|
<p>In SymboScript exists only three kinds of token literals: strings, numbers, booleans.</p>
|
||
|
|
<h2 id="strings"><a class="header" href="#strings">Strings</a></h2>
|
||
|
|
<p>Strings are enclosed in double quotes, single quotes or backticks.</p>
|
||
|
|
<pre><code class="language-ts">"hello";
|
||
|
|
"hello"`hello`;
|
||
|
|
("hello\nworld");
|
||
|
|
('hello"world');
|
||
|
|
("hello ' world");
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="numbers"><a class="header" href="#numbers">Numbers</a></h2>
|
||
|
|
<pre><code class="language-ts">1 .1
|
||
|
|
1.1
|
||
|
|
1e1
|
||
|
|
1E1
|
||
|
|
1.1e1
|
||
|
|
1.1E1
|
||
|
|
</code></pre>
|
||
|
|
<h2 id="booleans"><a class="header" href="#booleans">Booleans</a></h2>
|
||
|
|
<pre><code class="language-ts">true;
|
||
|
|
false;
|
||
|
|
</code></pre>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="brackets"><a class="header" href="#brackets">Brackets</a></h1>
|
||
|
|
<div style="break-before: page; page-break-before: always;"></div><h1 id="examples"><a class="header" href="#examples">Examples</a></h1>
|
||
|
|
<p>This is chapter about how the code in SymboScript looks.</p>
|
||
|
|
|
||
|
|
</main>
|
||
|
|
|
||
|
|
<nav class="nav-wrapper" aria-label="Page navigation">
|
||
|
|
<!-- Mobile navigation buttons -->
|
||
|
|
|
||
|
|
|
||
|
|
<div style="clear: both"></div>
|
||
|
|
</nav>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<nav class="nav-wide-wrapper" aria-label="Page navigation">
|
||
|
|
|
||
|
|
</nav>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<script>
|
||
|
|
window.playground_copyable = true;
|
||
|
|
</script>
|
||
|
|
|
||
|
|
|
||
|
|
<script src="elasticlunr.min.js"></script>
|
||
|
|
<script src="mark.min.js"></script>
|
||
|
|
<script src="searcher.js"></script>
|
||
|
|
|
||
|
|
<script src="clipboard.min.js"></script>
|
||
|
|
<script src="highlight.js"></script>
|
||
|
|
<script src="book.js"></script>
|
||
|
|
|
||
|
|
<!-- Custom JS scripts -->
|
||
|
|
|
||
|
|
<script>
|
||
|
|
window.addEventListener('load', function() {
|
||
|
|
window.setTimeout(window.print, 100);
|
||
|
|
});
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</body>
|
||
|
|
</html>
|