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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>HolyC Interpreter</title>
<script defer type="module">
import { holyc_web_run } from "./holy.js"
import { highlight, set_scroll } from "./html-holyc-highlighter/highlighter.js"
const stdin = document.getElementById("stdin")
highlight((stdin.value = '"hello world";'))
const examples = () => {
let content = "";
switch (document.getElementById("examples").value) {
case "class":
content = "// HolyC Class (not finished yet)\nclass Example {\n\tU16 a, b, c;\n\tU32 d, e, f;\n}Exp;\n\nclass Example2 {\n\tExp a;\n}Exp2;\n\nExp2 a;\n\na.a = 10;\n\"%d\\n\", a.a;\n\nU8 var = a.a * 2 + 1;\n\"var: %d\", var;";
break;
case "helloWorld":
content = "// HolyC Hello world\n\"Holy World\\n\";\n\nU0\nHelloWorld()\n{\n\t\"Holy World\\n\";\n}\n\nU0\nWorld()\n{\n\t'World\\n';\n}\n\nU0\nHello()\n{\n\t'Ho';\n\t'l', 'y';\n\t' ';\n\tWorld();\n}\n\n'\\t';\nHello;\n'\\n';\nHelloWorld(\"*\");";
break;
case "fibonacci":
content = "// HolyC Fibonacci\nU0\nFibonacci()\n{\n\tU32 a = 0, b = 1, c, i;\n\n\tfor (i = 0; i < 20; i++)\n\t{\n\t\tc = a + b;\n\t\t\"%d\\n\", c;\n\t\ta = b;\n\t\tb = c;\n\t}\n}\n\nFibonacci;";
break;
case "conditionals":
content = "// Allows \"5 < 1 < 2 + 1 < 20\" instead of \"5 < 1 && 1 < 2 + 1 && 1 + 1 < 20\";\nif (5 < 1 < 2 + 1 < 20)\n{\n\t\"true\\n\";\n}\n\n// Conditionals with logicals;\nif (TRUE)\n{\n\tif (1 > 2)\n\t{\n\t\t\"1 > 2\\n\";\n\t}\n\telse if (1 > 2 || 2 > 3)\n\t{\n\t\t\"2 > 3\\n\";\n\t}\n\telse\n\t{\n\t\t\"all false conditions\\n\";\n\t}\n}\n\nif (TRUE > FALSE)\n{\n\t\"TRUE > FALSE\\n\";\n}\n\n// Conditionals with variables;\nU8 A = 1;\nU8 B = 2;\nif (A < B)\n{\n\t\"A < B\\n\";\n}\n\nif (A)\n{\n\t\"A != 0\\n\";\n\tA = 0;\n}\n\nif (A)\n{\n\t\"A == 0\\n\";\n}\n\n// Conditionals with math expressions.\nif (1 + 2 * 3 > 9)\n{\n\t\"1 + 2 * 3 > 9\\n\";\n}\nelse if (1 + 2 * 3 > A + 8)\n{\n\t\"1 + 2 * 3 > A + 8\\n\";\n}\n\n";
break;
case "procedures":
content = "// HolyC Procedures\nU0\nno_args()\n{\n\t\"no args\\n\";\n}\n\n// Function with no args, or just default args can be called without parentheses;\nno_args(\"*\");\nno_args();\nno_args;\n\nU8\ndefault_args(U8 abc=1, U8 def, U8 ghi=3)\n{\n\t\"arg 1: %d\\n\", abc;\n\tdef = def - 2;\n\t\"arg 2: %d\\n\", def;\n\t\"arg 3: %d\\n\", ghi;\n\treturn abc + def + ghi;\n}\n\n// Default args don't have to be on the end. This code is valid:\nU32 default_args_value = default_args(,4);\n\"%d\", default_args_value;";
break;
case "define":
content = '// No define functions exist Terry is not a fan\n#define A "A"\n#define B 123\n\n"%d\\n", A;\n"%d\\n", B;\n'
break
case 'include':
content = '// work better in holy node (HJS or HC extension)\n#include "fibonacci.HC"\n'
break;
case 'assignment':
content = '// variable assignment\n// BOOLEAN\nBool\nbool = FALSE;\n\n// SIGNED\n// I0 -- 0 bytes\nI8 // 8 bytes\n i8 = 0;\nI16 // 16 bytes\ni16 = 0;\nI32 // 32 bytes\ni32 = 0;\nI64 // 64 bytes\ni64 = 0;\n\n// UNSIGNED\n// U0 -- 0 bytes\nU8 // 8 bytes\n u8 = 0;\nU16 // 16 bytes\nu16 = 0;\nU32 // 32 bytes\nu32 = 0;\nU64 // 64 bytes\nu64 = 0;\n\n// YOU SHOULD NOT USE (FLOAT)\nF64 // 64 bytes\nf64 = 0;\n'
break;
case 'asm':
content = '// this is not a HolyC feature but a HolyJS version of HolyC asm. It is very powerful be careful\njs {\n\n\tdocument.getElementById("run_button").style.background =\'red\';\n\n};\n';
break;
default:
content = "";
}
stdin.value = content;
highlight(content);
};
const resizehl = () => {
const hl = document.getElementById("hl")
hl.style.width = `${stdin.scrollWidth}px`
hl.style.height = `${stdin.clientHeight}px`
highlight(stdin.value)
}
new ResizeObserver(resizehl).observe(stdin)
stdin.addEventListener("keydown", function (e) {
if (e.key == "Tab") {
e.preventDefault();
let start = this.selectionStart;
let end = this.selectionEnd;
this.value = this.value.substring(0, start) + "\t" + this.value.substring(end);
this.selectionStart = this.selectionEnd = start + 1;
highlight(stdin.value)
}
});
window.holyc_web_run = holyc_web_run;
window.highlight = highlight;
window.set_scroll = set_scroll;
window.examples = examples;
window.resizehl = resizehl;
</script>
<style>
:root {
--border-color: #0000AA;
}
@font-face {
font-family: 'templeos_font';
src: url('./templeos_font.ttf');
}
* {
padding: 0;
margin: 0;
}
em {
padding: 0 1ex;
border: dotted 1px #888;
}
.stdin,
.stdout,
.highlight {
outline: none;
border-style: double;
border-width: 8px;
border-color: var(--border-color);
font-size: 10px;
font-family: 'templeos_font';
}
.stdin {
color: transparent;
caret-color: black;
white-space: break-spaces;
}
.highlight {
border-color: transparent;
position: absolute;
overflow: hidden;
pointer-events: none;
-webkit-overflow-scrolling: touch;
text-align: left;
}
.stdin,
.highlight {
flex-grow: 1;
}
span {
white-space: pre-wrap;
word-break: break-word;
overflow-wrap: break-word;
-ms-word-break: break-word;
word-break: break-word;
-ms-hyphens: auto;
-moz-hyphens: auto;
-webkit-hyphens: auto;
hyphens: auto;
overflow-wrap: break-word;
}
.stdin::-moz-selection {
/* Code for Firefox */
background: yellow;
}
.stdin::selection {
background: yellow;
}
.stdout {
flex-grow: 1;
}
header {
text-align: center;
}
header,
main,
footer {
padding: 0 20px 0 20px;
}
main {
height: 70vh;
display: flex;
}
footer {
text-align: center;
padding-bottom: 20px;
font-size: 0.9em;
}
</style>
</head>
<body>
<noscript>
<p>
<b>WARNING: JavaScript is Disabled!</b>
</p>
<p>
HOLYC Interpreter requires JavaScript. Please enable JavaScript for the
interpreter to work.
</p>
</noscript>
<header>
<br>
<b>
<a href="https://leozamboni.github.io/blog/2022-03-01-holyc-interpreter.html">"HolyC
Interpreter"</a>
</b>
<br>
<br>
<p>
(Interpreter & site by
<a href="https://leozamboni.github.io/">Leonardo</a>)
</p>
<br>
<button onclick="holyc_web_run()" id="run_button">RUN(▶)</button>
<select onchange="examples()" id="examples">
<option value="">Examples</option>
<option value="helloWorld">Hello World</option>
<option value="assignment">Assignment</option>
<option value="conditionals">Conditionals</option>
<option value="procedures">Procedures</option>
<option value="class">Class</option>
<option value="define">Define</option>
<option value="include">Include</option>
<option value="asm">asm (js)</option>
<option value="fibonacci">Fibonacci</option>
</select>
<!-- <button onclick="document.getElementById('stdout/stderr').value = ''">CLEAR(🗑️)</button> -->
<br>
<br>
</header>
<main>
<textarea class="stdin" id="stdin" onscroll="set_scroll()" oninput="highlight(this.value)"></textarea>
<div class='highlight' id="hl"></div>
<textarea class="stdout" id="stdout/stderr"></textarea>
</main>
<footer>
<br>
<hr>
<br>
<p>
A small sandboxed handwritten HolyC interpreter in JavaScript;
All current features
are exemplified in the <em>Examples</em> select. New releases and updates are shared on <a
href="https://www.reddit.com/r/TempleOS_Official/">r/TempleOS_Official</a>.
</p>
<br>
<p>
If you want to learn more about HolyC, you can use <a href="https://templeos.holyc.xyz/Wb/Doc/">this documentation</a>.
</p>
<br>
<p>
This site is under <a
href="https://github.com/leozamboni/js-holyc-interpreter/blob/master/LICENSE">MIT license</a>;
Converted TempleOS font by <a href="https://github.com/rendello/templeos_font">Gaven Rendell</a>;
HolyC and TempleOS are creations of Terry Davis.
</p>
<br>
<p>
If you want to support this project you can <a href="https://github.com/leozamboni/holyc-interpreter">star the repository</a>.
</p>
</footer>
</body>
</html>