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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::cell::RefCell;
use std::hashmap::HashSet;
use std::local_data;
use std::os;
use std::run;
use std::str;
use extra::tempfile::TempDir;
use extra::getopts;
use extra::test;
use rustc::driver::driver;
use rustc::driver::session;
use rustc::metadata::creader::Loader;
use syntax::diagnostic;
use syntax::parse;
use core;
use clean;
use clean::Clean;
use fold::DocFolder;
use html::markdown;
use passes;
use visit_ast::RustdocVisitor;
pub fn run(input: &str, matches: &getopts::Matches) -> int {
let parsesess = parse::new_parse_sess(None);
let input_path = Path::new(input);
let input = driver::FileInput(input_path.clone());
let libs = matches.opt_strs("L").map(|s| Path::new(s.as_slice()));
let libs = @RefCell::new(libs.move_iter().collect());
let sessopts = @session::Options {
binary: ~"rustdoc",
maybe_sysroot: Some(@os::self_exe_path().unwrap().dir_path()),
addl_lib_search_paths: libs,
outputs: ~[session::OutputDylib],
.. (*session::basic_options()).clone()
};
let diagnostic_handler = diagnostic::mk_handler(None);
let span_diagnostic_handler =
diagnostic::mk_span_handler(diagnostic_handler, parsesess.cm);
let sess = driver::build_session_(sessopts,
Some(input_path),
parsesess.cm,
@diagnostic::DefaultEmitter,
span_diagnostic_handler);
let cfg = driver::build_configuration(sess);
let crate = driver::phase_1_parse_input(sess, cfg, &input);
let loader = &mut Loader::new(sess);
let (crate, _) = driver::phase_2_configure_and_expand(sess, loader, crate);
let ctx = @core::DocContext {
crate: crate,
tycx: None,
sess: sess,
};
local_data::set(super::ctxtkey, ctx);
let mut v = RustdocVisitor::new(ctx, None);
v.visit(&ctx.crate);
let crate = v.clean();
let (crate, _) = passes::unindent_comments(crate);
let (crate, _) = passes::collapse_docs(crate);
let mut collector = Collector {
tests: ~[],
names: ~[],
cnt: 0,
libs: libs,
cratename: crate.name.to_owned(),
};
collector.fold_crate(crate);
let args = matches.opt_strs("test-args");
let mut args = args.iter().flat_map(|s| s.words()).map(|s| s.to_owned());
let mut args = args.to_owned_vec();
args.unshift(~"rustdoctest");
test::test_main(args, collector.tests);
0
}
fn runtest(test: &str, cratename: &str, libs: HashSet<Path>) {
let test = maketest(test, cratename);
let parsesess = parse::new_parse_sess(None);
let input = driver::StrInput(test);
let sessopts = @session::Options {
binary: ~"rustdoctest",
maybe_sysroot: Some(@os::self_exe_path().unwrap().dir_path()),
addl_lib_search_paths: @RefCell::new(libs),
outputs: ~[session::OutputExecutable],
debugging_opts: session::PREFER_DYNAMIC,
.. (*session::basic_options()).clone()
};
let diagnostic_handler = diagnostic::mk_handler(None);
let span_diagnostic_handler =
diagnostic::mk_span_handler(diagnostic_handler, parsesess.cm);
let sess = driver::build_session_(sessopts,
None,
parsesess.cm,
@diagnostic::DefaultEmitter,
span_diagnostic_handler);
let outdir = TempDir::new("rustdoctest").expect("rustdoc needs a tempdir");
let out = Some(outdir.path().clone());
let cfg = driver::build_configuration(sess);
driver::compile_input(sess, cfg, &input, &out, &None);
let exe = outdir.path().join("rust_out");
let out = run::process_output(exe.as_str().unwrap(), []);
match out {
Err(e) => fail!("couldn't run the test: {}", e),
Ok(out) => {
if !out.status.success() {
fail!("test executable failed:\n{}",
str::from_utf8(out.error));
}
}
}
}
fn maketest(s: &str, cratename: &str) -> ~str {
let mut prog = ~r"
#[deny(warnings)];
#[allow(unused_variable, dead_assignment, unused_mut, attribute_usage, dead_code)];
";
if s.contains("extra") {
prog.push_str("extern mod extra;\n");
}
if s.contains(cratename) {
prog.push_str(format!("extern mod {};\n", cratename));
}
if s.contains("fn main") {
prog.push_str(s);
} else {
prog.push_str("fn main() {\n");
prog.push_str(s);
prog.push_str("\n}");
}
return prog;
}
pub struct Collector {
priv tests: ~[test::TestDescAndFn],
priv names: ~[~str],
priv libs: @RefCell<HashSet<Path>>,
priv cnt: uint,
priv cratename: ~str,
}
impl Collector {
pub fn add_test(&mut self, test: &str, ignore: bool, should_fail: bool) {
let test = test.to_owned();
let name = format!("{}_{}", self.names.connect("::"), self.cnt);
self.cnt += 1;
let libs = self.libs.borrow();
let libs = (*libs.get()).clone();
let cratename = self.cratename.to_owned();
debug!("Creating test {}: {}", name, test);
self.tests.push(test::TestDescAndFn {
desc: test::TestDesc {
name: test::DynTestName(name),
ignore: ignore,
should_fail: should_fail,
},
testfn: test::DynTestFn(proc() {
runtest(test, cratename, libs);
}),
});
}
}
impl DocFolder for Collector {
fn fold_item(&mut self, item: clean::Item) -> Option<clean::Item> {
let pushed = match item.name {
Some(ref name) if name.len() == 0 => false,
Some(ref name) => { self.names.push(name.to_owned()); true }
None => false
};
match item.doc_value() {
Some(doc) => {
self.cnt = 0;
markdown::find_testable_code(doc, self);
}
None => {}
}
let ret = self.fold_item_recur(item);
if pushed {
self.names.pop();
}
return ret;
}
}
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