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/*
* Copyright (C) 2015 Andrei Karas
*
* This file is part of Paranoid null checker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "plugin-version.h"
#include "intl.h"
#include "command.h"
#include "analysis/analysis.h"
#include "parsers/generic.h"
#include <map>
#include "localconsts.h"
int plugin_is_GPL_compatible = 1;
struct Node;
Command command = Command::DetectNullPointers;
std::map<tree, Node*> foundNodesMap;
std::map<Node*, Node*> updateNodesMap;
std::string dumpFile;
// copy/paste from plugin.h look like again guard header issue.
extern void register_attribute (const struct attribute_spec *attr);
Command operator |(const Command &cmd1, const Command &cmd2)
{
return static_cast<Command>(static_cast<int>(cmd1)
| static_cast<int>(cmd2));
}
static void pre_generic(void *gcc_data,
void *user_data A_UNUSED)
{
Node *node = Generic::parseNodes((tree)gcc_data);
if (checkCommand(FindArgs) ||
checkCommand(DetectNullPointers) ||
checkCommand(DumpNullPointers))
{
Generic::updateNodes();
Analysis::startWalkTree(node);
}
Generic::cleanAllNodes(node);
}
static tree handle_nonnull_attribute(tree *node A_UNUSED,
tree name A_UNUSED,
tree args A_UNUSED,
int flags A_UNUSED,
bool *no_add_attrs A_UNUSED)
{
return NULL_TREE;
}
static struct attribute_spec nonnull_attr =
{
"nonnullpointer", 0, 0, true, false, false, handle_nonnull_attribute, false
};
static void register_attributes(void *event_data A_UNUSED,
void *data A_UNUSED)
{
register_attribute (&nonnull_attr);
}
int plugin_init (struct plugin_name_args *plugin_info,
struct plugin_gcc_version *version)
{
if (!plugin_default_version_check (version, &gcc_version))
return 1;
const char *const plugin_name = plugin_info->base_name;
const int argc = plugin_info->argc;
struct plugin_argument *argv = plugin_info->argv;
for (int f = 0; f < argc; f ++)
{
if (!strcmp (argv[f].key, "command"))
{
const std::string cmd = argv[f].value;
if (cmd == "parse")
{
command = Command::Parse;
}
else if (cmd == "dump")
{
command = Command::Dump;
}
else if (cmd == "smalldump")
{
command = Command::SmallDump;
}
else if (cmd == "memoryusage")
{
command = Command::MemoryUsage;
}
else if (cmd == "dumpunsupported")
{
command = Command::DumpUnsupported;
}
else if (cmd == "findargs")
{
command = Command::FindArgs;
}
else if (cmd == "detectnullpointers")
{
command = Command::DetectNullPointers |
Command::DetectUseless;
}
else if (cmd == "dumpnullpointers")
{
command = Command::DumpNullPointers |
Command::DetectUseless;
}
else
{
error("Plugin %s. Unknown command: %s",
plugin_name,
cmd.c_str());
return 0;
}
}
if (!strcmp (argv[f].key, "specialdump"))
{
dumpFile = argv[f].value;
}
}
register_callback(plugin_info->base_name,
PLUGIN_PRE_GENERICIZE,
&pre_generic,
0);
register_callback(plugin_info->base_name,
PLUGIN_ATTRIBUTES,
®ister_attributes,
0);
return 0;
}
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