blob: 7e7fb3fc42341c29f5b738e3ef91d9fff373bb9e [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include "base/containers/contains.h"
#include "build/build_config.h"
// Include once to get the type definitions
#include "tools/ipc_fuzzer/message_lib/all_messages.h"
struct msginfo {
const char* name;
const char* file;
int id;
bool operator< (const msginfo& other) const {
return id < other.id;
}
};
// Redefine macros to generate table
#include "tools/ipc_fuzzer/message_lib/all_message_null_macros.h"
#undef IPC_MESSAGE_DECL
#define IPC_MESSAGE_DECL(name, ...) {#name, __FILE__, IPC_MESSAGE_ID()},
static msginfo msgtable[] = {
#include "tools/ipc_fuzzer/message_lib/all_messages.h"
};
#define MSGTABLE_SIZE (sizeof(msgtable)/sizeof(msgtable[0]))
static_assert(MSGTABLE_SIZE, "check your headers for an extra semicolon");
static bool check_msgtable() {
bool result = true;
int previous_class_id = 0;
int highest_class_id = 0;
const char* file_name = "NONE";
const char* previous_file_name = "NONE";
std::vector<int> exemptions;
// Exclude test and other non-browser files from consideration. Do not
// include message files used inside the actual chrome browser in this list.
exemptions.push_back(TestMsgStart);
exemptions.push_back(WorkerMsgStart); // Now only used by tests.
exemptions.push_back(ChromeUtilityPrintingMsgStart); // BUILDFLAGS, sigh.
#if !BUILDFLAG(ENABLE_NACL)
exemptions.push_back(NaClMsgStart);
#endif // !BUILDFLAG(ENABLE_NACL)
#if !defined(OS_ANDROID)
exemptions.push_back(EncryptedMediaMsgStart);
exemptions.push_back(GinJavaBridgeMsgStart);
exemptions.push_back(ExtensionWorkerMsgStart);
#endif // !defined(OS_ANDROID)
for (size_t i = 0; i < MSGTABLE_SIZE; ++i) {
int class_id = IPC_MESSAGE_ID_CLASS(msgtable[i].id);
file_name = msgtable[i].file;
if (class_id >= LastIPCMsgStart) {
std::cout << "Invalid LastIPCMsgStart setting\n";
result = false;
}
if (class_id == previous_class_id &&
strcmp(file_name, previous_file_name) != 0) {
std::cerr << "enum used in multiple files: "
<< file_name << " vs "
<< previous_file_name << "\n";
result = false;
}
while (class_id > previous_class_id + 1) {
if (!base::Contains(exemptions, previous_class_id + 1)) {
std::cout << "Missing message file for enum "
<< class_id - (previous_class_id + 1)
<< " before enum used by " << file_name << "\n";
result = false;
}
++previous_class_id;
}
previous_class_id = class_id;
previous_file_name = file_name;
if (class_id > highest_class_id)
highest_class_id = class_id;
}
while (LastIPCMsgStart > highest_class_id + 1) {
if (!base::Contains(exemptions, highest_class_id + 1)) {
std::cout << "Missing message file for enum "
<< LastIPCMsgStart - (highest_class_id + 1)
<< " before enum LastIPCMsgStart\n";
break;
}
++highest_class_id;
}
if (!result)
std::cout << "Please check tools/ipc_fuzzer/message_lib/all_messages.h\n";
return result;
}
static void dump_msgtable(bool show_args, bool show_ids,
bool show_comma, const char *prefix) {
bool first = true;
for (size_t i = 0; i < MSGTABLE_SIZE; ++i) {
if ((!prefix) || strstr(msgtable[i].name, prefix) == msgtable[i].name) {
if (show_comma) {
if (!first)
std::cout << ",";
first = false;
std::cout << msgtable[i].id;
} else {
if (show_ids)
std::cout << msgtable[i].id << " " <<
IPC_MESSAGE_ID_CLASS(msgtable[i].id) << "," <<
IPC_MESSAGE_ID_LINE(msgtable[i].id) << " ";
std::cout << msgtable[i].name << "\n";
}
}
}
if (show_comma)
std::cout << "\n";
}
int main(int argc, char **argv) {
bool show_args = false;
bool show_ids = false;
bool skip_check = false;
bool show_comma = false;
const char* filter = NULL;
while (--argc > 0) {
++argv;
if (std::string("--args") == *argv) {
show_args = true;
} else if (std::string("--comma") == *argv) {
show_comma = true;
} else if (std::string("--filter") == *argv) {
filter = *(++argv);
--argc;
} else if (std::string("--ids") == *argv) {
show_ids = true;
} else if (std::string("--no-check") == *argv) {
skip_check = true;
} else {
std::cout <<
"usage: ipc_message_list [--args] [--ids] [--no-check] "
"[--filter prefix] [--comma]\n";
return 1;
}
}
std::sort(msgtable, msgtable + MSGTABLE_SIZE);
if (!skip_check && check_msgtable() == false)
return 1;
dump_msgtable(show_args, show_ids, show_comma, filter);
return 0;
}