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Add missing source file

master
Danila Fedorin 2 months ago
parent
commit
5cccb97ede
1 changed files with 114 additions and 0 deletions
  1. 114
    0
      code/compiler/10/graph.cpp

+ 114
- 0
code/compiler/10/graph.cpp View File

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#include "graph.hpp"

std::set<function_graph::edge> function_graph::compute_transitive_edges() {
std::set<edge> transitive_edges;
transitive_edges.insert(edges.begin(), edges.end());
for(auto& connector : adjacency_lists) {
for(auto& from : adjacency_lists) {
edge to_connector { from.first, connector.first };
for(auto& to : adjacency_lists) {
edge full_jump { from.first, to.first };
if(transitive_edges.find(full_jump) != transitive_edges.end()) continue;

edge from_connector { connector.first, to.first };
if(transitive_edges.find(to_connector) != transitive_edges.end() &&
transitive_edges.find(from_connector) != transitive_edges.end())
transitive_edges.insert(std::move(full_jump));
}
}
}
return transitive_edges;
}

void function_graph::create_groups(
const std::set<edge>& transitive_edges,
std::map<function, group_id>& group_ids,
std::map<group_id, data_ptr>& group_data_map) {
group_id id_counter = 0;
for(auto& vertex : adjacency_lists) {
if(group_ids.find(vertex.first) != group_ids.end())
continue;
data_ptr new_group(new group_data);
new_group->functions.insert(vertex.first);
group_data_map[id_counter] = new_group;
group_ids[vertex.first] = id_counter;
for(auto& other_vertex : adjacency_lists) {
if(transitive_edges.find({vertex.first, other_vertex.first}) != transitive_edges.end() &&
transitive_edges.find({other_vertex.first, vertex.first}) != transitive_edges.end()) {
group_ids[other_vertex.first] = id_counter;
new_group->functions.insert(other_vertex.first);
}
}
id_counter++;
}
}

void function_graph::create_edges(
std::map<function, group_id>& group_ids,
std::map<group_id, data_ptr>& group_data_map) {
std::set<std::pair<group_id, group_id>> group_edges;
for(auto& vertex : adjacency_lists) {
auto vertex_id = group_ids[vertex.first];
auto& vertex_data = group_data_map[vertex_id];
for(auto& other_vertex : vertex.second) {
auto other_id = group_ids[other_vertex];
if(vertex_id == other_id) continue;
if(group_edges.find({vertex_id, other_id}) != group_edges.end())
continue;
group_edges.insert({vertex_id, other_id});
vertex_data->adjacency_list.insert(other_id);
group_data_map[other_id]->indegree++;
}
}
}

std::vector<group_ptr> function_graph::generate_order(
std::map<function, group_id>& group_ids,
std::map<group_id, data_ptr>& group_data_map) {
std::queue<group_id> id_queue;
std::vector<group_ptr> output;
for(auto& group : group_data_map) {
if(group.second->indegree == 0) id_queue.push(group.first);
}

while(!id_queue.empty()) {
auto new_id = id_queue.front();
auto& group_data = group_data_map[new_id];
group_ptr output_group(new group);
output_group->members = std::move(group_data->functions);
id_queue.pop();

for(auto& adjacent_group : group_data->adjacency_list) {
if(--group_data_map[adjacent_group]->indegree == 0)
id_queue.push(adjacent_group);
}

output.push_back(std::move(output_group));
}

return output;
}

std::set<function>& function_graph::add_function(const function& f) {
auto adjacency_list_it = adjacency_lists.find(f);
if(adjacency_list_it != adjacency_lists.end()) {
return adjacency_list_it->second;
} else {
return adjacency_lists[f] = { };
}
}

void function_graph::add_edge(const function& from, const function& to) {
add_function(from).insert(to);
edges.insert({ from, to });
}

std::vector<group_ptr> function_graph::compute_order() {
std::set<edge> transitive_edges = compute_transitive_edges();
std::map<function, group_id> group_ids;
std::map<group_id, data_ptr> group_data_map;

create_groups(transitive_edges, group_ids, group_data_map);
create_edges(group_ids, group_data_map);
return generate_order(group_ids, group_data_map);
}

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