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//=======================================================================
// Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//=======================================================================
#include <boost/config.hpp>
#include <fstream>
#include <iostream>
#include <numeric>
#include <iterator>
#include <string>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/property_iter_range.hpp>
namespace std
{
template < typename T >
std::istream& operator >> (std::istream& in, std::pair < T, T > &p)
{
in >> p.first >> p.second;
return in;
}
}
namespace boost
{
enum vertex_compile_cost_t { vertex_compile_cost };
BOOST_INSTALL_PROPERTY(vertex, compile_cost);
}
using namespace boost;
typedef adjacency_list< listS, // Store out-edges of each vertex in a std::list
listS, // Store vertex set in a std::list
directedS, // The file dependency graph is directed
// vertex properties
property < vertex_name_t, std::string,
property < vertex_compile_cost_t, float,
property < vertex_distance_t, float,
property < vertex_color_t, default_color_type > > > >,
// an edge property
property < edge_weight_t, float > >
file_dep_graph2;
typedef graph_traits<file_dep_graph2>::vertex_descriptor vertex_t;
typedef graph_traits<file_dep_graph2>::edge_descriptor edge_t;
int
main(int argc, const char** argv)
{
std::ifstream file_in(argc >= 2 ? argv[1] : "makefile-dependencies.dat");
typedef graph_traits<file_dep_graph2>::vertices_size_type size_type;
size_type n_vertices;
file_in >> n_vertices; // read in number of vertices
#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300
// std::istream_iterator causes trouble with VC++
std::vector<vertex_t> id2vertex;
file_dep_graph2 g;
for (std::size_t i = 0; i < n_vertices; ++i)
id2vertex.push_back(add_vertex(g));
std::pair<size_type, size_type> p;
while (file_in >> p)
add_edge(id2vertex[p.first], id2vertex[p.second], g);
#else
std::istream_iterator<std::pair<size_type, size_type> >
input_begin(file_in), input_end;
file_dep_graph2 g(input_begin, input_end, n_vertices);
#endif
typedef property_map < file_dep_graph2, vertex_name_t >::type name_map_t;
typedef property_map < file_dep_graph2, vertex_compile_cost_t >::type
compile_cost_map_t;
name_map_t name_map = get(vertex_name, g);
compile_cost_map_t compile_cost_map = get(vertex_compile_cost, g);
std::ifstream name_in(argc >= 3 ? argv[2] : "makefile-target-names.dat");
std::ifstream compile_cost_in(argc >= 4 ? argv[3] : "target-compile-costs.dat");
graph_traits < file_dep_graph2 >::vertex_iterator vi, vi_end;
for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi) {
name_in >> name_map[*vi];
compile_cost_in >> compile_cost_map[*vi];
}
graph_property_iter_range < file_dep_graph2,
vertex_compile_cost_t >::iterator ci, ci_end;
boost::tie(ci, ci_end) = get_property_iter_range(g, vertex_compile_cost);
std::cout << "total (sequential) compile time: "
<< std::accumulate(ci, ci_end, 0.0) << std::endl;
return 0;
}
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