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| author | Leo Tenenbaum <pommicket@gmail.com> | 2020-06-21 17:53:59 -0400 |
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| committer | Leo Tenenbaum <pommicket@gmail.com> | 2020-06-21 17:53:59 -0400 |
| commit | ac6e0671373351c07ee05e5217108a636cb707cc (patch) | |
| tree | 8d1327b1b59795b0036a2b5460fbef7dd36e1aba /docs/01.html | |
| parent | 692d13cc1a6fda2776d0ad0b34e9fbff0bc2c55c (diff) | |
oops gitignore was ignoring docs
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| -rw-r--r-- | docs/01.html | 31 |
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diff --git a/docs/01.html b/docs/01.html new file mode 100644 index 0000000..f520805 --- /dev/null +++ b/docs/01.html @@ -0,0 +1,31 @@ +<!DOCTYPE html> +<html> +<head> +<link rel="stylesheet" href="docs.css"> +<title>A first program</title> +</head> +<body> +<h2>A first program</h2> + +<p><a href="contents.html">Table of contents</a> · <a href="00.html">Prev</a></p> + +<p>The <c>main</c> function in toc corresponds to the <c>main</c> function in C. This function is called when your program is run. So, this is a valid toc program which does nothing:</p> + +<pre> +main ::= fn() { +} +</pre> + +<p>It declares a constant, <c>main</c>, which is a function with an empty body. Note that the syntax for declaring functions is the same as the syntax for declaring constants (it isn't something like <c>fn main() { ... }</c>).</p> + +<p>Note that you do not need a semicolon at the end of this declaration (for convenience, if a declaration ends with a closing brace (<c>}</c>), you do not need a semicolon).</p> + +<p>Assuming you have compiled the compiler (see <c>README.md</c> for instructions about that), you can compile it with</p> + +<pre> +toc <your filename> +</pre> + +<p>You will get a file called <c>out.c</c>, which you can then put through your C compiler to get an executable file which does nothing. Congratulations! You've written your first toc program.</p> +</body> +</html> |