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extern "C"
{
#include "gcc-plugin.h"
}
#include <stdlib.h>
#include <gmp.h>
extern "C"
{
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tree.h"
#include "tree-pass.h"
#include "intl.h"
/* reqs */
#include "tm.h"
/* gcc/ headers. */
#include "diagnostic.h"
#include "c-common.h"
#include "c-pretty-print.h"
#include "tree-iterator.h"
#include "plugin.h"
#include "tree-flow.h"
#include "langhooks.h"
#include "cp/cp-tree.h"
#include "cp/cxx-pretty-print.h"
#include "cp/name-lookup.h"
}
#include <string>
#include <cassert>
using namespace std;
int plugin_is_GPL_compatible;
// TODO:
//
//
// * Can plugin define a macro which can then be tested in the code?
// A wrapper that calls g++ with plugin can do that easily.
//
// * Will need to disable as many warnings as possible.
//
enum class_access { ca_public, ca_protected, ca_private };
const char* class_access_str[] = {"public", "protected", "private"};
class collector
{
public:
collector ()
: file_ (main_input_filename)
{
}
void
traverse (tree global_scope)
{
traverse_namespace (global_scope);
}
private:
void
traverse_namespace (tree ns)
{
cp_binding_level* level = NAMESPACE_LEVEL (ns);
tree decl = level->names;
for (; decl != NULL_TREE; decl = TREE_CHAIN (decl))
{
switch (TREE_CODE (decl))
{
/*
case FUNCTION_DECL:
{
if (DECL_ANTICIPATED (decl))
break;
warning (0, G_ ("function declaration %s"),
IDENTIFIER_POINTER (DECL_NAME (decl)));
break;
}
*/
/*
case RECORD_TYPE:
{
warning (0, G_ ("class declaration %s"),
IDENTIFIER_POINTER (DECL_NAME (decl)));
break;
}
*/
case TYPE_DECL:
{
if (DECL_ARTIFICIAL (decl))
{
tree type = TREE_TYPE (decl);
tree name = DECL_NAME (decl);
if (name != NULL_TREE && TREE_CODE (type) == RECORD_TYPE)
{
warning (0, G_ ("class declaration %s in %s:%i"),
IDENTIFIER_POINTER (name),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
traverse_class (type);
}
}
break;
}
case NAMESPACE_DECL:
{
tree target = DECL_NAMESPACE_ALIAS (decl);
assert (target != NULL_TREE);
warning (0, G_ ("namespace alias declaration %s=%s in %s:%i"),
IDENTIFIER_POINTER (DECL_NAME (decl)),
IDENTIFIER_POINTER (DECL_NAME (target)),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
break;
}
default:
{
if (!DECL_IS_BUILTIN (decl))
{
tree name = DECL_NAME (decl);
if (name != NULL_TREE)
{
warning (0, G_ ("some declaration %s in %s:%i"),
IDENTIFIER_POINTER (name),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
}
else
{
warning (0, G_ ("some unnamed declaration in %s:%i"),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
}
}
break;
}
}
//warning (0, G_ ("declaration %u"), (int) (TREE_CODE (decl)));
//warning (0, G_ ("declaration %s"),
// IDENTIFIER_POINTER (DECL_NAME (decl)));
}
for(decl = level->namespaces; decl != NULL_TREE; decl = TREE_CHAIN (decl))
{
if (DECL_NAMESPACE_STD_P (decl) || DECL_IS_BUILTIN (decl))
continue;
tree name = DECL_NAME (decl);
if (name == NULL_TREE)
{
warning (0, G_ ("anonymous namespace declaration in %s:%i"),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
}
else
{
warning (0, G_ ("namespace declaration %s in %s:%i"),
IDENTIFIER_POINTER (name),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
}
traverse_namespace (decl);
}
}
void
traverse_class (tree c)
{
// Traverse base information.
//
tree bis (TYPE_BINFO (c));
size_t n (bis ? BINFO_N_BASE_BINFOS (bis) : 0);
for (size_t i (0); i < n; i++)
{
tree bi (BINFO_BASE_BINFO (bis, i));
class_access a (ca_public);
if (BINFO_BASE_ACCESSES (bis))
{
tree ac (BINFO_BASE_ACCESS (bis, i));
if (ac == NULL_TREE || ac == access_public_node)
{
a = ca_public;
}
else if (ac == access_protected_node)
{
a = ca_protected;
}
else
{
assert (ac == access_private_node);
a = ca_private;
}
}
bool v (BINFO_VIRTUAL_P (bi));
tree b (BINFO_TYPE (bi));
tree b_decl (TYPE_NAME (b)); // Typedef decl for this base.
warning (0, G_ ("\t%s%s base %s"),
class_access_str[a],
(v ? " virtual" : ""),
IDENTIFIER_POINTER (DECL_NAME (b_decl)));
}
// Traverse data members.
//
for (tree decl (TYPE_FIELDS (c));
decl != NULL_TREE ;
decl = TREE_CHAIN (decl))
{
//if (DECL_ARTIFICIAL (field))
// continue;
// if (TREE_CODE (field) == TYPE_DECL && TREE_TYPE (field) == c)
// continue;
switch (TREE_CODE (decl))
{
case FIELD_DECL:
{
if (!DECL_ARTIFICIAL (decl))
{
tree name = DECL_NAME (decl);
tree type = TREE_TYPE (decl);
tree type_decl = TYPE_NAME (type);
warning (0, G_ ("\tdata member declaration %s %s in %s:%i"),
(type_decl ? IDENTIFIER_POINTER (DECL_NAME (type_decl)) : "?"),
IDENTIFIER_POINTER (name),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
break;
}
}
default:
{
//if (!DECL_IS_BUILTIN (decl))
//{
tree name = DECL_NAME (decl);
if (name != NULL_TREE)
{
warning (0, G_ ("\tsome declaration %s in %s:%i"),
IDENTIFIER_POINTER (name),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
}
else
{
warning (0, G_ ("\tsome unnamed declaration in %s:%i"),
DECL_SOURCE_FILE (decl),
DECL_SOURCE_LINE (decl));
}
//}
break;
}
}
}
}
private:
string file_;
};
extern "C" void
start_unit_callback (void* gcc_data, void* user_data)
{
warning (0, G_ ("strating unit processing"));
}
extern "C" void
finish_type_callback (void* gcc_data, void* user_data)
{
warning (0, G_ ("finished type processing"));
}
extern "C" void
finish_unit_callback (void* gcc_data, void* user_data)
{
//traverse_namespace (global_namespace);
//done = true;
warning (0, G_ ("finished unit processing"));
}
extern "C" void
gate_callback (void* gcc_data, void* user_data)
{
warning (0, G_ ("main file is %s"), main_input_filename);
if (!errorcount && !sorrycount)
{
collector c;
c.traverse (global_namespace);
}
exit (0);
// Disable every pass.
//
/*
warning (0, G_ ("disabling pass %s"), current_pass->name);
*static_cast<int*> (gcc_data) = 0;
*/
}
extern "C" int
plugin_init (struct plugin_name_args *plugin_info,
struct plugin_gcc_version *version)
{
warning (0, G_ ("strating plugin %s"), plugin_info->base_name);
// Disable assembly output.
//
asm_file_name = HOST_BIT_BUCKET;
//register_callback (plugin_info->base_name, PLUGIN_START_UNIT, &start_unit_callback, NULL);
//register_callback (plugin_info->base_name, PLUGIN_FINISH_TYPE, &finish_type_callback, NULL);
//register_callback (plugin_info->base_name, PLUGIN_FINISH_UNIT, &finish_unit_callback, NULL);
register_callback (plugin_info->base_name, PLUGIN_OVERRIDE_GATE, &gate_callback, NULL);
return 0;
}
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