106 lines
3.6 KiB
Rust
106 lines
3.6 KiB
Rust
// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use rustc;
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use rustc::{driver, middle};
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use rustc::middle::privacy;
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use syntax::ast;
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use syntax::ast_util::is_local;
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use syntax::diagnostic;
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use syntax::parse;
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use syntax;
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use std::os;
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use std::local_data;
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use std::hashmap::{HashMap,HashSet};
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use visit_ast::RustdocVisitor;
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use clean;
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use clean::Clean;
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pub struct DocContext {
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crate: ast::Crate,
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tycx: middle::ty::ctxt,
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sess: driver::session::Session
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}
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pub struct CrateAnalysis {
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exported_items: privacy::ExportedItems,
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reexports: HashMap<ast::NodeId, ~[ast::NodeId]>,
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}
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/// Parses, resolves, and typechecks the given crate
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fn get_ast_and_resolve(cpath: &Path,
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libs: HashSet<Path>) -> (DocContext, CrateAnalysis) {
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use syntax::codemap::dummy_spanned;
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use rustc::driver::driver::{file_input, build_configuration,
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phase_1_parse_input,
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phase_2_configure_and_expand,
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phase_3_run_analysis_passes};
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let parsesess = parse::new_parse_sess(None);
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let input = file_input(cpath.clone());
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let sessopts = @driver::session::options {
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binary: @"rustdoc",
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maybe_sysroot: Some(@os::self_exe_path().unwrap().dir_path()),
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addl_lib_search_paths: @mut libs,
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.. (*rustc::driver::session::basic_options()).clone()
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};
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let diagnostic_handler = syntax::diagnostic::mk_handler(None);
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let span_diagnostic_handler =
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syntax::diagnostic::mk_span_handler(diagnostic_handler, parsesess.cm);
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let sess = driver::driver::build_session_(sessopts,
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parsesess.cm,
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@diagnostic::DefaultEmitter as
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@diagnostic::Emitter,
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span_diagnostic_handler);
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let mut cfg = build_configuration(sess);
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cfg.push(@dummy_spanned(ast::MetaWord(@"stage2")));
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let mut crate = phase_1_parse_input(sess, cfg.clone(), &input);
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crate = phase_2_configure_and_expand(sess, cfg, crate);
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let driver::driver::CrateAnalysis {
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exported_items, ty_cx, exp_map2, _
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} = phase_3_run_analysis_passes(sess, &crate);
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let mut reexports = HashMap::new();
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for (&module, nodes) in exp_map2.iter() {
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reexports.insert(module, nodes.iter()
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.filter(|e| e.reexport && is_local(e.def_id))
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.map(|e| e.def_id.node)
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.to_owned_vec());
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}
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debug!("crate: {:?}", crate);
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return (DocContext { crate: crate, tycx: ty_cx, sess: sess },
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CrateAnalysis { reexports: reexports, exported_items: exported_items });
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}
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pub fn run_core (libs: HashSet<Path>, path: &Path) -> (clean::Crate, CrateAnalysis) {
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let (ctxt, analysis) = get_ast_and_resolve(path, libs);
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let ctxt = @ctxt;
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debug!("defmap:");
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for (k, v) in ctxt.tycx.def_map.iter() {
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debug!("{:?}: {:?}", k, v);
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}
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local_data::set(super::ctxtkey, ctxt);
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let v = @mut RustdocVisitor::new();
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v.visit(&ctxt.crate);
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(v.clean(), analysis)
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}
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