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/* Copyright 2009 Simon Richter <Simon.Richter@hogyros.de>
*
* Released under the GNU General Public Licence version 3.
*/
#include "cst_to_ast_visitor.hpp"
#include "bison_to_ast_visitor.hpp"
#include "mark_nodes_visitor.hpp"
#include "smartpointer_visitor.hpp"
#include "header_output_visitor.hpp"
#include "impl_output_visitor.hpp"
#include "tree_bison_context.hpp"
#include "tree_bison_tree.hpp"
#include "tree_bison_parse.hpp"
#include "tree_bison_lex.hpp"
#include "tree_cst_tree.hpp"
#include "tree_cst_parse.hpp"
#include "tree_cst_lex.hpp"
#include <iostream>
#include <exception>
#include <list>
#include <fstream>
extern int tree_bison_parse(void *scanner, foundry::tree::bison::start *&ret);
extern int tree_cst_parse(void *scanner, foundry::tree::cst::start *&ret);
std::string extension(std::string const &s)
{
std::string::size_type const dot = s.rfind('.');
if(dot == std::string::npos)
return "";
return s.substr(dot);
}
int main(int argc, char **argv)
try
{
using namespace foundry::tree;
using std::endl;
typedef char const *const *arg_iterator;
arg_iterator const args_begin = &argv[1];
arg_iterator const args_end = &argv[argc];
typedef std::string file;
typedef std::list<file> file_list;
file_list files;
file outfile;
yyscan_t bison_scanner;
yyscan_t cst_scanner;
context bison_context;
tree_bison_lex_init_extra(&bison_context, &bison_scanner);
tree_cst_lex_init(&cst_scanner);
enum
{
header,
source
} outmode = header;
std::list<std::string> outns;
enum
{
initial,
ns,
output
} state = initial;
for(arg_iterator i = args_begin; i != args_end; ++i)
{
std::string arg(*i);
switch(state)
{
case initial:
if(arg == "-o")
state = output;
else if(arg == "-n")
state = ns;
else if(arg == "-c")
outmode = source;
else
files.push_back(arg);
break;
case ns:
outns.push_back(arg);
state = initial;
break;
case output:
outfile = arg;
state = initial;
break;
}
}
if(state != initial)
{
std::cerr << "E: missing parameter" << std::endl;
return 1;
}
if(outfile.empty())
{
std::cerr << "E: no output file given" << std::endl;
return 1;
}
cst_to_ast_visitor cst_to_ast;
bison_to_ast_visitor bison_to_ast;
for(std::list<std::string>::const_iterator i = outns.begin();
i != outns.end(); ++i)
bison_to_ast.push_initial_namespace(*i);
for(file_list::const_iterator i = files.begin(); i != files.end(); ++i)
{
FILE *f = fopen(i->c_str(), "r");
if(!f)
{
std::cerr << "E: file not found: " << *i << std::endl;
return 1;
}
if(extension(*i) == ".yy")
{
tree_bison_restart(f, bison_scanner);
bison::start *tree = 0;
if(tree_bison_parse(bison_scanner, tree) == 0)
{
tree->apply(bison_to_ast);
}
delete tree;
}
else
{
tree_cst_restart(f, cst_scanner);
cst::start *tree = 0;
if(tree_cst_parse(cst_scanner, tree) == 0)
{
tree->apply(cst_to_ast);
}
delete tree;
}
fclose(f);
}
tree_cst_lex_destroy(cst_scanner);
tree_bison_lex_destroy(bison_scanner);
boost::intrusive_ptr<root> ast, ast2;
ast = cst_to_ast.get_ast();
ast2 = bison_to_ast.get_ast();
ast->includes.splice(ast->includes.end(), ast2->includes);
if(ast->global_namespace)
{
ast->global_namespace->namespaces.splice(ast->global_namespace->namespaces.end(), ast2->global_namespace->namespaces);
if(ast->global_namespace->group)
{
if(ast2->global_namespace && ast2->global_namespace->group)
{
ast->global_namespace->group->groups.splice(ast->global_namespace->group->groups.end(), ast2->global_namespace->group->groups);
ast->global_namespace->group->nodes.splice(ast->global_namespace->group->nodes.end(), ast2->global_namespace->group->nodes);
}
}
else
ast->global_namespace->group = ast2->global_namespace->group;
}
mark_nodes_visitor mark_nodes;
ast->apply(mark_nodes);
smartpointer_visitor smartptr;
ast->apply(smartptr);
std::ofstream out(outfile.c_str());
switch(outmode)
{
case header:
{
std::string::size_type slash = outfile.rfind('/');
if(slash == std::string::npos)
slash = 0;
else
++slash;
std::string cppsymbol(outfile, slash);
for(unsigned int i = 0; i < cppsymbol.size(); ++i)
{
char c = cppsymbol[i];
if(c < '0' || (c > '9' && c < 'A') || (c > 'Z' && c < 'a') || c > 'z')
cppsymbol[i] = '_';
}
out << "#ifndef " << cppsymbol << "_" << endl
<< "#define " << cppsymbol << "_ 1" << endl
<< endl;
header_output_visitor write_header(out);
ast->apply(write_header);
out << "#endif" << endl;
}
break;
case source:
{
std::string::size_type dot = outfile.rfind('.');
if(dot == std::string::npos)
break;
std::string ext = outfile.substr(dot);
if(ext == ".cpp")
ext = ".hpp";
else if(ext == ".cc")
ext = ".hh";
else
break;
std::string::size_type slash = outfile.rfind('/');
if(slash == std::string::npos)
slash = 0;
else
++slash;
std::string basename = outfile.substr(slash, dot - slash);
out << "#include <" << basename << ext << ">" << endl
<< endl;
impl_output_visitor write_impl(out);
ast->apply(write_impl);
}
break;
}
return 0;
}
catch(std::exception &e)
{
std::cerr << "E: " << e.what() << std::endl;
return 1;
}
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