bjoernager/rust
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Add hacks to extract and compile tutorial code

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Not included in the build by default, since it's fragile and kludgy. Do
something like this to run it:

    cd doc/tutorial
    RUSTC=../../build/stage2/bin/rustc bash test.sh

Closes #1143
This commit is contained in:
Marijn Haverbeke 2011-11-22 16:12:23 +01:00
parent 1b8b0b8584
commit fedb775fbb
14 changed files with 119 additions and 24 deletions
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42
doc/tutorial/extract.js Normal file
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@ -0,0 +1,42 @@
var fs = require("fs"), md = require("./lib/markdown");
// Runs markdown.js over the tutorial, to find the code blocks in it.
// Uses the #-markers in those code blocks, along with some vague
// heuristics, to turn them into compilable files. Outputs these files
// to fragments/.
//
// '##ignore' means don't test this block
// '##notrust' means the block isn't rust code
// (used by build.js to not highlight it)
// '# code' means insert the given code to complete the fragment
// (build.js strips out such lines)
var curFile, curFrag;
md.Markdown.dialects.Maruku.block.code = function code(block, next) {
if (block.match(/^ /)) {
var ignore, text = String(block);
while (next.length && next[0].match(/^ /)) text += "\n" + String(next.shift());
text = text.split("\n").map(function(line) {
line = line.slice(4);
if (line == "## ignore" || line == "## notrust") { ignore = true; line = ""; }
if (/^# /.test(line)) line = line.slice(2);
return line;
}).join("\n");
if (ignore) return;
if (!/\bfn main\b/.test(text)) {
if (/(^|\n) *(native|use|mod|import|export)\b/.test(text))
text += "\nfn main() {}\n";
else text = "fn main() {\n" + text + "\n}\n";
}
if (!/\buse std\b/.test(text)) text = "use std;\n" + text;
fs.writeFileSync("fragments/" + curFile + "_" + (++curFrag) + ".rs", text);
}
};
fs.readFileSync("order", "utf8").split("\n").filter(id).forEach(handle);
function id(x) { return x; }
function handle(file) {
curFile = file; curFrag = 0;
md.parse(fs.readFileSync(file + ".md", "utf8"), "Maruku");
}