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/* Copyright 2009 Simon Richter <Simon.Richter@hogyros.de>
*
* Released under the GNU General Public Licence version 3.
*/
#include "bison_to_ast_visitor.hpp"
#include <sstream>
namespace foundry {
namespace tree {
bison_to_ast_visitor::bison_to_ast_visitor(void)
{
ast = new root;
ast->global_namespace = new namespace_node;
ast->global_namespace->parent = 0;
include_node_weak_ptr nn = new include_node;
nn->name = "string";
nn->is_local = false;
ast->includes.push_back(nn);
current_namespace = ast->global_namespace.get();
current_namespace->uses_lists = false;
}
void bison_to_ast_visitor::visit(bison::start const &s)
{
/* rules */
if(!current_namespace->group)
{
current_group = new group_node;
current_group->name = "node";
current_group->ns = current_namespace;
current_group->parent = 0;
current_group->has_const_visitor = true;
current_group->has_visitor = false;
current_group->sp_prov = boost;
current_namespace->group = current_group;
}
descend(s._1);
for(std::list<basic_type_node_weak_ptr>::iterator i = unresolved.begin();
i != unresolved.end(); ++i)
(**i).name = "std::string";
}
void bison_to_ast_visitor::visit(bison::rules_1 const &)
{
/* empty */
}
void bison_to_ast_visitor::visit(bison::rules_2 const &r)
{
/* rules rule */
descend(r._1);
descend(r._2);
}
void bison_to_ast_visitor::visit(bison::rule const &r)
{
/* IDENTIFIER_COLON alternatives */
current_identifier = r._1;
nonterminals.insert(r._1);
for(std::list<basic_type_node_weak_ptr>::iterator i = unresolved.begin();
i != unresolved.end();)
{
if((**i).name == r._1)
i = unresolved.erase(i);
else
++i;
}
current_count = 0;
current_group = current_namespace->group.get();
descend(r._2);
}
void bison_to_ast_visitor::visit(bison::alternatives_1 const &a)
{
/* components */
descend(a._1);
}
void bison_to_ast_visitor::visit(bison::alternatives_2 const &a)
{
/* alternatives "|" components */
if(current_count == 0)
{
current_count = 1;
current_group = new group_node;
current_group->name = current_identifier;
current_group->ns = current_namespace;
current_group->parent = current_namespace->group.get();
current_group->has_const_visitor = false;
current_group->has_visitor = false;
current_group->sp_prov = boost;
current_namespace->group->groups.push_back(current_group);
}
descend(a._1);
descend(a._2);
}
void bison_to_ast_visitor::visit(bison::alternatives_3 const &a)
{
/* alternatives ";" */
descend(a._1);
}
void bison_to_ast_visitor::visit(bison::components_1 const &)
{
/* empty */
current_node = new node_node;
current_node->ns = current_namespace;
current_node->group = current_group;
if(current_count == 0)
current_node->name = current_identifier;
else
{
std::ostringstream str;
str << current_identifier;
str << "_" << current_count++;
current_node->name = str.str();
}
current_node->sp_prov = current_group->sp_prov;
current_group->nodes.push_back(current_node);
}
void bison_to_ast_visitor::visit(bison::components_2 const &c)
{
/* components component */
descend(c._1);
descend(c._2);
}
void bison_to_ast_visitor::visit(bison::component_1 const &c)
{
/* symbol */
descend(c._1);
}
void bison_to_ast_visitor::visit(bison::component_2 const &)
{
/* ACTION */
return;
}
void bison_to_ast_visitor::visit(bison::symbol_1 const &s)
{
/* IDENTIFIER */
data_member_node_weak_ptr nn = new data_member_node;
std::ostringstream str;
str << "_" << current_node->members.size() + 1;
nn->name = str.str();
nn->needs_init = true;
basic_type_node_weak_ptr nt = new basic_type_node;
nt->name = s._1;
if(nonterminals.find(s._1) == nonterminals.end())
unresolved.push_back(nt);
nt->ns = current_namespace;
nt->is_const = false;
nt->is_volatile = false;
nn->type = nt;
current_node->members.push_back(nn);
}
void bison_to_ast_visitor::visit(bison::symbol_2 const &)
{
/* STRING */
return;
}
void bison_to_ast_visitor::push_initial_namespace(std::string const &ns)
{
namespace_node_ptr nn = new namespace_node;
nn->name = ns;
nn->parent = current_namespace;
current_namespace->namespaces.push_back(nn);
current_namespace = nn.get();
current_namespace->uses_lists = false;
}
}
}
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