1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <algorithm>
6 #include <iostream>
7 #include <string>
8 #include <vector>
9
10 #include "base/basictypes.h"
11
12 // Include once to get the type definitions
13 #include "chrome/common/all_messages.h"
14 #include "content/common/all_messages.h"
15
16 struct msginfo {
17 const char* name;
18 int id;
19 int in_count;
20 int out_count;
21
operator <msginfo22 bool operator< (const msginfo& other) const {
23 return id < other.id;
24 }
25 };
26
27 // Redefine macros to generate table
28 #include "ipc/ipc_message_null_macros.h"
29 #undef IPC_MESSAGE_DECL
30 #define IPC_MESSAGE_DECL(kind, type, name, in, out, ilist, olist) \
31 { #name, IPC_MESSAGE_ID(), in, out },
32
33 static msginfo msgtable[] = {
34 #include "chrome/common/all_messages.h"
35 #include "content/common/all_messages.h"
36 };
37 #define MSGTABLE_SIZE (sizeof(msgtable)/sizeof(msgtable[0]))
38 COMPILE_ASSERT(MSGTABLE_SIZE, CHECK_YOUR_HEADERS_FOR_AN_EXTRA_SEMICOLON);
39
check_msgtable()40 static bool check_msgtable() {
41 bool result = true;
42 int previous_class_id = 0;
43 int highest_class_id = 0;
44 std::vector<int> exemptions;
45
46 // Exclude test and other non-browser files from consideration. Do not
47 // include message files used inside the actual chrome browser in this list.
48 exemptions.push_back(TestMsgStart);
49 exemptions.push_back(FirefoxImporterUnittestMsgStart);
50 exemptions.push_back(ShellMsgStart);
51
52 for (size_t i = 0; i < MSGTABLE_SIZE; ++i) {
53 int class_id = IPC_MESSAGE_ID_CLASS(msgtable[i].id);
54 if (class_id >= LastIPCMsgStart) {
55 std::cout << "Invalid LastIPCMsgStart setting\n";
56 result = false;
57 }
58 while (class_id > previous_class_id + 1) {
59 std::vector<int>::iterator iter;
60 iter = find(exemptions.begin(), exemptions.end(), previous_class_id+1);
61 if (iter == exemptions.end()) {
62 std::cout << "Missing message file: gap before " << class_id << "\n";
63 result = false;
64 break;
65 }
66 ++previous_class_id;
67 }
68 previous_class_id = class_id;
69 if (class_id > highest_class_id)
70 highest_class_id = class_id;
71 }
72
73 while (LastIPCMsgStart > highest_class_id + 1) {
74 std::vector<int>::iterator iter;
75 iter = find(exemptions.begin(), exemptions.end(), highest_class_id+1);
76 if (iter == exemptions.end()) {
77 std::cout << "Missing message file: gap before LastIPCMsgStart\n";
78 result = false;
79 break;
80 }
81 ++highest_class_id;
82 }
83
84 if (!result)
85 std::cout << "Please check {chrome,content}/common/all_messages.h.\n";
86
87 return result;
88 }
89
dump_msgtable(bool show_args,bool show_ids,bool show_comma,const char * prefix)90 static void dump_msgtable(bool show_args, bool show_ids,
91 bool show_comma, const char *prefix) {
92 bool first = true;
93 for (size_t i = 0; i < MSGTABLE_SIZE; ++i) {
94 if ((!prefix) || strstr(msgtable[i].name, prefix) == msgtable[i].name) {
95 if (show_comma) {
96 if (!first)
97 std::cout << ",";
98 first = false;
99 std::cout << msgtable[i].id;
100 } else {
101 if (show_ids)
102 std::cout << msgtable[i].id << " " <<
103 IPC_MESSAGE_ID_CLASS(msgtable[i].id) << "," <<
104 IPC_MESSAGE_ID_LINE(msgtable[i].id) << " ";
105 std::cout << msgtable[i].name;
106 if (show_args) {
107 std::cout << "(" << msgtable[i].in_count << " IN, " <<
108 msgtable[i].out_count << " OUT)";
109 }
110 std::cout << "\n";
111 }
112 }
113 }
114 if (show_comma)
115 std::cout << "\n";
116 }
117
main(int argc,char ** argv)118 int main(int argc, char **argv) {
119 bool show_args = false;
120 bool show_ids = false;
121 bool skip_check = false;
122 bool show_comma = false;
123 const char *filter = NULL;
124
125 while (--argc > 0) {
126 ++argv;
127 if (std::string("--args") == *argv) {
128 show_args = true;
129 } else if (std::string("--comma") == *argv) {
130 show_comma = true;
131 } else if (std::string("--filter") == *argv) {
132 filter = *(++argv);
133 --argc;
134 } else if (std::string("--ids") == *argv) {
135 show_ids = true;
136 } else if (std::string("--no-check") == *argv) {
137 skip_check = true;
138 } else {
139 std::cout <<
140 "usage: ipclist [--args] [--ids] [--no-check] [--filter prefix] "
141 "[--comma]\n";
142 return 1;
143 }
144 }
145
146 std::sort(msgtable, msgtable + MSGTABLE_SIZE);
147
148 if (!skip_check && check_msgtable() == false)
149 return 1;
150
151 dump_msgtable(show_args, show_ids, show_comma, filter);
152 return 0;
153 }
154
155