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// Copyright 2012-2013 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 rustc;
use rustc::{driver, middle};
use syntax;
use syntax::parse;
use syntax::ast;
use std::os;
use std::local_data;
use visit_ast::RustdocVisitor;
use clean;
use clean::Clean;
pub struct DocContext {
crate: @ast::Crate,
tycx: middle::ty::ctxt,
sess: driver::session::Session
}
/// Parses, resolves, and typechecks the given crate
fn get_ast_and_resolve(cpath: &Path, libs: ~[Path]) -> DocContext {
use syntax::codemap::dummy_spanned;
use rustc::driver::driver::*;
let parsesess = parse::new_parse_sess(None);
let input = file_input(cpath.clone());
let sessopts = @driver::session::options {
binary: @"rustdoc",
maybe_sysroot: Some(@os::self_exe_path().unwrap().pop()),
addl_lib_search_paths: @mut libs,
.. (*rustc::driver::session::basic_options()).clone()
};
let diagnostic_handler = syntax::diagnostic::mk_handler(None);
let span_diagnostic_handler =
syntax::diagnostic::mk_span_handler(diagnostic_handler, parsesess.cm);
let sess = driver::driver::build_session_(sessopts, parsesess.cm,
syntax::diagnostic::emit,
span_diagnostic_handler);
let mut cfg = build_configuration(sess);
cfg.push(@dummy_spanned(ast::MetaWord(@"stage2")));
let mut crate = phase_1_parse_input(sess, cfg.clone(), &input);
crate = phase_2_configure_and_expand(sess, cfg, crate);
let analysis = phase_3_run_analysis_passes(sess, crate);
debug!("crate: %?", crate);
DocContext { crate: crate, tycx: analysis.ty_cx, sess: sess }
}
pub fn run_core (libs: ~[Path], path: &Path) -> clean::Crate {
let ctxt = @get_ast_and_resolve(path, libs);
debug!("defmap:");
for (k, v) in ctxt.tycx.def_map.iter() {
debug!("%?: %?", k, v);
}
local_data::set(super::ctxtkey, ctxt);
let v = @mut RustdocVisitor::new();
v.visit(ctxt.crate);
v.clean()
}
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