rust/src/rt/rust_crate_map.cpp

// Copyright 2012 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.

#include "rust_crate_map.h"
#include <set>

void iter_module_map(const mod_entry* map,
                     void (*fn)(const mod_entry* entry, void *cookie),
                     void *cookie) {
    for (const mod_entry* cur = map; cur->name; cur++) {
        fn(cur, cookie);
    }
}

void iter_crate_map(const cratemap* map,
                    void (*fn)(const mod_entry* map, void *cookie),
                    void *cookie,
                    std::set<const cratemap*>& visited) {
    if (visited.find(map) == visited.end()) {
        // Mark this crate visited
        visited.insert(map);
        // First iterate this crate
        iter_module_map(map->entries(), fn, cookie);
        // Then recurse on linked crates
        for (cratemap::iterator i = map->begin(),
                e = map->end(); i != e; ++i) {
            iter_crate_map(*i, fn, cookie, visited);
        }
    }
}

void iter_crate_map(const cratemap* map,
                    void (*fn)(const mod_entry* map, void *cookie),
                    void *cookie) {
    std::set<const cratemap*> visited;
    iter_crate_map(map, fn, cookie, visited);
}
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