1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
// 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 rustc::metadata::creader::Loader;
use rustc::middle::privacy;
use syntax::ast;
use syntax::parse::token;
use syntax;
use std::cell::RefCell;
use std::os;
use std::local_data;
use collections::HashSet;
use visit_ast::RustdocVisitor;
use clean;
use clean::Clean;
pub enum MaybeTyped {
Typed(middle::ty::ctxt),
NotTyped(driver::session::Session)
}
pub struct DocContext {
krate: ast::Crate,
maybe_typed: MaybeTyped
}
impl DocContext {
pub fn sess<'a>(&'a self) -> &'a driver::session::Session {
match self.maybe_typed {
Typed(ref tcx) => &tcx.sess,
NotTyped(ref sess) => sess
}
}
}
pub struct CrateAnalysis {
exported_items: privacy::ExportedItems,
public_items: privacy::PublicItems,
}
/// Parses, resolves, and typechecks the given crate
fn get_ast_and_resolve(cpath: &Path, libs: HashSet<Path>, cfgs: Vec<~str>)
-> (DocContext, CrateAnalysis) {
use syntax::codemap::dummy_spanned;
use rustc::driver::driver::{FileInput, build_configuration,
phase_1_parse_input,
phase_2_configure_and_expand,
phase_3_run_analysis_passes};
let input = FileInput(cpath.clone());
let sessopts = driver::session::Options {
maybe_sysroot: Some(os::self_exe_path().unwrap().dir_path()),
addl_lib_search_paths: RefCell::new(libs),
crate_types: vec!(driver::session::CrateTypeDylib),
..rustc::driver::session::basic_options().clone()
};
let codemap = syntax::codemap::CodeMap::new();
let diagnostic_handler = syntax::diagnostic::default_handler();
let span_diagnostic_handler =
syntax::diagnostic::mk_span_handler(diagnostic_handler, codemap);
let sess = driver::driver::build_session_(sessopts,
Some(cpath.clone()),
span_diagnostic_handler);
let mut cfg = build_configuration(&sess);
for cfg_ in cfgs.move_iter() {
let cfg_ = token::intern_and_get_ident(cfg_);
cfg.push(@dummy_spanned(ast::MetaWord(cfg_)));
}
let krate = phase_1_parse_input(&sess, cfg, &input);
let (krate, ast_map) = phase_2_configure_and_expand(&sess, &mut Loader::new(&sess),
krate, &from_str("rustdoc").unwrap());
let driver::driver::CrateAnalysis {
exported_items, public_items, ty_cx, ..
} = phase_3_run_analysis_passes(sess, &krate, ast_map);
debug!("crate: {:?}", krate);
(DocContext {
krate: krate,
maybe_typed: Typed(ty_cx)
}, CrateAnalysis {
exported_items: exported_items,
public_items: public_items,
})
}
pub fn run_core(libs: HashSet<Path>, cfgs: Vec<~str>, path: &Path)
-> (clean::Crate, CrateAnalysis) {
let (ctxt, analysis) = get_ast_and_resolve(path, libs, cfgs);
let ctxt = @ctxt;
local_data::set(super::ctxtkey, ctxt);
let krate = {
let mut v = RustdocVisitor::new(ctxt, Some(&analysis));
v.visit(&ctxt.krate);
v.clean()
};
(krate, analysis)
}
|
