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TOMOYO Linux Cross Reference
Linux/scripts/kernel-doc

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Diff markup

Differences between /scripts/kernel-doc (Version linux-6.12-rc7) and /scripts/kernel-doc (Version linux-5.8.18)


  1 #!/usr/bin/env perl                                 1 #!/usr/bin/env perl
  2 # SPDX-License-Identifier: GPL-2.0                  2 # SPDX-License-Identifier: GPL-2.0
  3 # vim: softtabstop=4                           << 
  4                                                     3 
  5 use warnings;                                       4 use warnings;
  6 use strict;                                         5 use strict;
  7                                                     6 
  8 ## Copyright (c) 1998 Michael Zucchi, All Righ      7 ## Copyright (c) 1998 Michael Zucchi, All Rights Reserved        ##
  9 ## Copyright (C) 2000, 1  Tim Waugh <twaugh@red      8 ## Copyright (C) 2000, 1  Tim Waugh <twaugh@redhat.com>          ##
 10 ## Copyright (C) 2001  Simon Huggins                9 ## Copyright (C) 2001  Simon Huggins                             ##
 11 ## Copyright (C) 2005-2012  Randy Dunlap           10 ## Copyright (C) 2005-2012  Randy Dunlap                         ##
 12 ## Copyright (C) 2012  Dan Luedtke                 11 ## Copyright (C) 2012  Dan Luedtke                               ##
 13 ##                                                 12 ##                                                               ##
 14 ## #define enhancements by Armin Kuster <akuste     13 ## #define enhancements by Armin Kuster <akuster@mvista.com>     ##
 15 ## Copyright (c) 2000 MontaVista Software, Inc     14 ## Copyright (c) 2000 MontaVista Software, Inc.                  ##
 16 #                                              !!  15 ##                                                               ##
 17 # Copyright (C) 2022 Tomasz Warniełło (POD)  !!  16 ## This software falls under the GNU General Public License.     ##
 18                                                !!  17 ## Please read the COPYING file for more information             ##
 19 use Pod::Usage qw/pod2usage/;                  << 
 20                                                << 
 21 =head1 NAME                                    << 
 22                                                << 
 23 kernel-doc - Print formatted kernel documentat << 
 24                                                << 
 25 =head1 SYNOPSIS                                << 
 26                                                << 
 27  kernel-doc [-h] [-v] [-Werror] [-Wall] [-Wret << 
 28    [ -man |                                    << 
 29      -rst [-sphinx-version VERSION] [-enable-l << 
 30      -none                                     << 
 31    ]                                           << 
 32    [                                           << 
 33      -export |                                 << 
 34      -internal |                               << 
 35      [-function NAME] ... |                    << 
 36      [-nosymbol NAME] ...                      << 
 37    ]                                           << 
 38    [-no-doc-sections]                          << 
 39    [-export-file FILE] ...                     << 
 40    FILE ...                                    << 
 41                                                << 
 42 Run `kernel-doc -h` for details.               << 
 43                                                    18 
 44 =head1 DESCRIPTION                             !!  19 # 18/01/2001 -  Cleanups
                                                   >>  20 #               Functions prototyped as foo(void) same as foo()
                                                   >>  21 #               Stop eval'ing where we don't need to.
                                                   >>  22 # -- huggie@earth.li
                                                   >>  23 
                                                   >>  24 # 27/06/2001 -  Allowed whitespace after initial "/**" and
                                                   >>  25 #               allowed comments before function declarations.
                                                   >>  26 # -- Christian Kreibich <ck@whoop.org>
                                                   >>  27 
                                                   >>  28 # Still to do:
                                                   >>  29 #       - add perldoc documentation
                                                   >>  30 #       - Look more closely at some of the scarier bits :)
                                                   >>  31 
                                                   >>  32 # 26/05/2001 -  Support for separate source and object trees.
                                                   >>  33 #               Return error code.
                                                   >>  34 #               Keith Owens <kaos@ocs.com.au>
                                                   >>  35 
                                                   >>  36 # 23/09/2001 - Added support for typedefs, structs, enums and unions
                                                   >>  37 #              Support for Context section; can be terminated using empty line
                                                   >>  38 #              Small fixes (like spaces vs. \s in regex)
                                                   >>  39 # -- Tim Jansen <tim@tjansen.de>
                                                   >>  40 
                                                   >>  41 # 25/07/2012 - Added support for HTML5
                                                   >>  42 # -- Dan Luedtke <mail@danrl.de>
                                                   >>  43 
                                                   >>  44 sub usage {
                                                   >>  45     my $message = <<"EOF";
                                                   >>  46 Usage: $0 [OPTION ...] FILE ...
 45                                                    47 
 46 Read C language source or header FILEs, extrac     48 Read C language source or header FILEs, extract embedded documentation comments,
 47 and print formatted documentation to standard      49 and print formatted documentation to standard output.
 48                                                    50 
 49 The documentation comments are identified by t !!  51 The documentation comments are identified by "/**" opening comment mark. See
 50                                                !!  52 Documentation/doc-guide/kernel-doc.rst for the documentation comment syntax.
 51 See Documentation/doc-guide/kernel-doc.rst for << 
 52                                                << 
 53 =cut                                           << 
 54                                                    53 
 55 # more perldoc at the end of the file          !!  54 Output format selection (mutually exclusive):
                                                   >>  55   -man                  Output troff manual page format. This is the default.
                                                   >>  56   -rst                  Output reStructuredText format.
                                                   >>  57   -none                 Do not output documentation, only warnings.
                                                   >>  58 
                                                   >>  59 Output selection (mutually exclusive):
                                                   >>  60   -export               Only output documentation for symbols that have been
                                                   >>  61                         exported using EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()
                                                   >>  62                         in any input FILE or -export-file FILE.
                                                   >>  63   -internal             Only output documentation for symbols that have NOT been
                                                   >>  64                         exported using EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()
                                                   >>  65                         in any input FILE or -export-file FILE.
                                                   >>  66   -function NAME        Only output documentation for the given function(s)
                                                   >>  67                         or DOC: section title(s). All other functions and DOC:
                                                   >>  68                         sections are ignored. May be specified multiple times.
                                                   >>  69   -nofunction NAME      Do NOT output documentation for the given function(s);
                                                   >>  70                         only output documentation for the other functions and
                                                   >>  71                         DOC: sections. May be specified multiple times.
                                                   >>  72 
                                                   >>  73 Output selection modifiers:
                                                   >>  74   -no-doc-sections      Do not output DOC: sections.
                                                   >>  75   -enable-lineno        Enable output of #define LINENO lines. Only works with
                                                   >>  76                         reStructuredText format.
                                                   >>  77   -export-file FILE     Specify an additional FILE in which to look for
                                                   >>  78                         EXPORT_SYMBOL() and EXPORT_SYMBOL_GPL(). To be used with
                                                   >>  79                         -export or -internal. May be specified multiple times.
                                                   >>  80 
                                                   >>  81 Other parameters:
                                                   >>  82   -v                    Verbose output, more warnings and other information.
                                                   >>  83   -h                    Print this help.
                                                   >>  84 
                                                   >>  85 EOF
                                                   >>  86     print $message;
                                                   >>  87     exit 1;
                                                   >>  88 }
                                                   >>  89 
                                                   >>  90 #
                                                   >>  91 # format of comments.
                                                   >>  92 # In the following table, (...)? signifies optional structure.
                                                   >>  93 #                         (...)* signifies 0 or more structure elements
                                                   >>  94 # /**
                                                   >>  95 #  * function_name(:)? (- short description)?
                                                   >>  96 # (* @parameterx: (description of parameter x)?)*
                                                   >>  97 # (* a blank line)?
                                                   >>  98 #  * (Description:)? (Description of function)?
                                                   >>  99 #  * (section header: (section description)? )*
                                                   >> 100 #  (*)?*/
                                                   >> 101 #
                                                   >> 102 # So .. the trivial example would be:
                                                   >> 103 #
                                                   >> 104 # /**
                                                   >> 105 #  * my_function
                                                   >> 106 #  */
                                                   >> 107 #
                                                   >> 108 # If the Description: header tag is omitted, then there must be a blank line
                                                   >> 109 # after the last parameter specification.
                                                   >> 110 # e.g.
                                                   >> 111 # /**
                                                   >> 112 #  * my_function - does my stuff
                                                   >> 113 #  * @my_arg: its mine damnit
                                                   >> 114 #  *
                                                   >> 115 #  * Does my stuff explained.
                                                   >> 116 #  */
                                                   >> 117 #
                                                   >> 118 #  or, could also use:
                                                   >> 119 # /**
                                                   >> 120 #  * my_function - does my stuff
                                                   >> 121 #  * @my_arg: its mine damnit
                                                   >> 122 #  * Description: Does my stuff explained.
                                                   >> 123 #  */
                                                   >> 124 # etc.
                                                   >> 125 #
                                                   >> 126 # Besides functions you can also write documentation for structs, unions,
                                                   >> 127 # enums and typedefs. Instead of the function name you must write the name
                                                   >> 128 # of the declaration;  the struct/union/enum/typedef must always precede
                                                   >> 129 # the name. Nesting of declarations is not supported.
                                                   >> 130 # Use the argument mechanism to document members or constants.
                                                   >> 131 # e.g.
                                                   >> 132 # /**
                                                   >> 133 #  * struct my_struct - short description
                                                   >> 134 #  * @a: first member
                                                   >> 135 #  * @b: second member
                                                   >> 136 #  *
                                                   >> 137 #  * Longer description
                                                   >> 138 #  */
                                                   >> 139 # struct my_struct {
                                                   >> 140 #     int a;
                                                   >> 141 #     int b;
                                                   >> 142 # /* private: */
                                                   >> 143 #     int c;
                                                   >> 144 # };
                                                   >> 145 #
                                                   >> 146 # All descriptions can be multiline, except the short function description.
                                                   >> 147 #
                                                   >> 148 # For really longs structs, you can also describe arguments inside the
                                                   >> 149 # body of the struct.
                                                   >> 150 # eg.
                                                   >> 151 # /**
                                                   >> 152 #  * struct my_struct - short description
                                                   >> 153 #  * @a: first member
                                                   >> 154 #  * @b: second member
                                                   >> 155 #  *
                                                   >> 156 #  * Longer description
                                                   >> 157 #  */
                                                   >> 158 # struct my_struct {
                                                   >> 159 #     int a;
                                                   >> 160 #     int b;
                                                   >> 161 #     /**
                                                   >> 162 #      * @c: This is longer description of C
                                                   >> 163 #      *
                                                   >> 164 #      * You can use paragraphs to describe arguments
                                                   >> 165 #      * using this method.
                                                   >> 166 #      */
                                                   >> 167 #     int c;
                                                   >> 168 # };
                                                   >> 169 #
                                                   >> 170 # This should be use only for struct/enum members.
                                                   >> 171 #
                                                   >> 172 # You can also add additional sections. When documenting kernel functions you
                                                   >> 173 # should document the "Context:" of the function, e.g. whether the functions
                                                   >> 174 # can be called form interrupts. Unlike other sections you can end it with an
                                                   >> 175 # empty line.
                                                   >> 176 # A non-void function should have a "Return:" section describing the return
                                                   >> 177 # value(s).
                                                   >> 178 # Example-sections should contain the string EXAMPLE so that they are marked
                                                   >> 179 # appropriately in DocBook.
                                                   >> 180 #
                                                   >> 181 # Example:
                                                   >> 182 # /**
                                                   >> 183 #  * user_function - function that can only be called in user context
                                                   >> 184 #  * @a: some argument
                                                   >> 185 #  * Context: !in_interrupt()
                                                   >> 186 #  *
                                                   >> 187 #  * Some description
                                                   >> 188 #  * Example:
                                                   >> 189 #  *    user_function(22);
                                                   >> 190 #  */
                                                   >> 191 # ...
                                                   >> 192 #
                                                   >> 193 #
                                                   >> 194 # All descriptive text is further processed, scanning for the following special
                                                   >> 195 # patterns, which are highlighted appropriately.
                                                   >> 196 #
                                                   >> 197 # 'funcname()' - function
                                                   >> 198 # '$ENVVAR' - environmental variable
                                                   >> 199 # '&struct_name' - name of a structure (up to two words including 'struct')
                                                   >> 200 # '&struct_name.member' - name of a structure member
                                                   >> 201 # '@parameter' - name of a parameter
                                                   >> 202 # '%CONST' - name of a constant.
                                                   >> 203 # '``LITERAL``' - literal string without any spaces on it.
 56                                                   204 
 57 ## init lots of data                              205 ## init lots of data
 58                                                   206 
 59 my $errors = 0;                                   207 my $errors = 0;
 60 my $warnings = 0;                                 208 my $warnings = 0;
 61 my $anon_struct_union = 0;                        209 my $anon_struct_union = 0;
 62                                                   210 
 63 # match expressions used to find embedded type    211 # match expressions used to find embedded type information
 64 my $type_constant = '\b``([^\`]+)``\b';           212 my $type_constant = '\b``([^\`]+)``\b';
 65 my $type_constant2 = '\%([-_*\w]+)';           !! 213 my $type_constant2 = '\%([-_\w]+)';
 66 my $type_func = '(\w+)\(\)';                      214 my $type_func = '(\w+)\(\)';
 67 my $type_param = '\@(\w*((\.\w+)|(->\w+))*(\.\    215 my $type_param = '\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
 68 my $type_param_ref = '([\!~\*]?)\@(\w*((\.\w+) !! 216 my $type_param_ref = '([\!]?)\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
 69 my $type_fp_param = '\@(\w+)\(\)';  # Special     217 my $type_fp_param = '\@(\w+)\(\)';  # Special RST handling for func ptr params
 70 my $type_fp_param2 = '\@(\w+->\S+)\(\)';  # Sp    218 my $type_fp_param2 = '\@(\w+->\S+)\(\)';  # Special RST handling for structs with func ptr params
 71 my $type_env = '(\$\w+)';                         219 my $type_env = '(\$\w+)';
 72 my $type_enum = '\&(enum\s*([_\w]+))';            220 my $type_enum = '\&(enum\s*([_\w]+))';
 73 my $type_struct = '\&(struct\s*([_\w]+))';        221 my $type_struct = '\&(struct\s*([_\w]+))';
 74 my $type_typedef = '\&(typedef\s*([_\w]+))';      222 my $type_typedef = '\&(typedef\s*([_\w]+))';
 75 my $type_union = '\&(union\s*([_\w]+))';          223 my $type_union = '\&(union\s*([_\w]+))';
 76 my $type_member = '\&([_\w]+)(\.|->)([_\w]+)';    224 my $type_member = '\&([_\w]+)(\.|->)([_\w]+)';
 77 my $type_fallback = '\&([_\w]+)';                 225 my $type_fallback = '\&([_\w]+)';
 78 my $type_member_func = $type_member . '\(\)';     226 my $type_member_func = $type_member . '\(\)';
 79                                                   227 
 80 # Output conversion substitutions.                228 # Output conversion substitutions.
 81 #  One for each output format                     229 #  One for each output format
 82                                                   230 
 83 # these are pretty rough                          231 # these are pretty rough
 84 my @highlights_man = (                            232 my @highlights_man = (
 85     [$type_constant, "\$1"],                   !! 233                       [$type_constant, "\$1"],
 86     [$type_constant2, "\$1"],                  !! 234                       [$type_constant2, "\$1"],
 87     [$type_func, "\\\\fB\$1\\\\fP"],           !! 235                       [$type_func, "\\\\fB\$1\\\\fP"],
 88     [$type_enum, "\\\\fI\$1\\\\fP"],           !! 236                       [$type_enum, "\\\\fI\$1\\\\fP"],
 89     [$type_struct, "\\\\fI\$1\\\\fP"],         !! 237                       [$type_struct, "\\\\fI\$1\\\\fP"],
 90     [$type_typedef, "\\\\fI\$1\\\\fP"],        !! 238                       [$type_typedef, "\\\\fI\$1\\\\fP"],
 91     [$type_union, "\\\\fI\$1\\\\fP"],          !! 239                       [$type_union, "\\\\fI\$1\\\\fP"],
 92     [$type_param, "\\\\fI\$1\\\\fP"],          !! 240                       [$type_param, "\\\\fI\$1\\\\fP"],
 93     [$type_param_ref, "\\\\fI\$1\$2\\\\fP"],   !! 241                       [$type_param_ref, "\\\\fI\$1\$2\\\\fP"],
 94     [$type_member, "\\\\fI\$1\$2\$3\\\\fP"],   !! 242                       [$type_member, "\\\\fI\$1\$2\$3\\\\fP"],
 95     [$type_fallback, "\\\\fI\$1\\\\fP"]        !! 243                       [$type_fallback, "\\\\fI\$1\\\\fP"]
 96   );                                           !! 244                      );
 97 my $blankline_man = "";                           245 my $blankline_man = "";
 98                                                   246 
 99 # rst-mode                                        247 # rst-mode
100 my @highlights_rst = (                            248 my @highlights_rst = (
101     [$type_constant, "``\$1``"],               !! 249                        [$type_constant, "``\$1``"],
102     [$type_constant2, "``\$1``"],              !! 250                        [$type_constant2, "``\$1``"],
103                                                !! 251                        # Note: need to escape () to avoid func matching later
104     # Note: need to escape () to avoid func ma !! 252                        [$type_member_func, "\\:c\\:type\\:`\$1\$2\$3\\\\(\\\\) <\$1>`"],
105     [$type_member_func, "\\:c\\:type\\:`\$1\$2 !! 253                        [$type_member, "\\:c\\:type\\:`\$1\$2\$3 <\$1>`"],
106     [$type_member, "\\:c\\:type\\:`\$1\$2\$3 < !! 254                        [$type_fp_param, "**\$1\\\\(\\\\)**"],
107     [$type_fp_param, "**\$1\\\\(\\\\)**"],     !! 255                        [$type_fp_param2, "**\$1\\\\(\\\\)**"],
108     [$type_fp_param2, "**\$1\\\\(\\\\)**"],    !! 256                        [$type_func, "\$1()"],
109     [$type_func, "\$1()"],                     !! 257                        [$type_enum, "\\:c\\:type\\:`\$1 <\$2>`"],
110     [$type_enum, "\\:c\\:type\\:`\$1 <\$2>`"], !! 258                        [$type_struct, "\\:c\\:type\\:`\$1 <\$2>`"],
111     [$type_struct, "\\:c\\:type\\:`\$1 <\$2>`" !! 259                        [$type_typedef, "\\:c\\:type\\:`\$1 <\$2>`"],
112     [$type_typedef, "\\:c\\:type\\:`\$1 <\$2>` !! 260                        [$type_union, "\\:c\\:type\\:`\$1 <\$2>`"],
113     [$type_union, "\\:c\\:type\\:`\$1 <\$2>`"] !! 261                        # in rst this can refer to any type
114                                                !! 262                        [$type_fallback, "\\:c\\:type\\:`\$1`"],
115     # in rst this can refer to any type        !! 263                        [$type_param_ref, "**\$1\$2**"]
116     [$type_fallback, "\\:c\\:type\\:`\$1`"],   !! 264                       );
117     [$type_param_ref, "**\$1\$2**"]            << 
118   );                                           << 
119 my $blankline_rst = "\n";                         265 my $blankline_rst = "\n";
120                                                   266 
121 # read arguments                                  267 # read arguments
122 if ($#ARGV == -1) {                               268 if ($#ARGV == -1) {
123     pod2usage(                                 !! 269     usage();
124         -message => "No arguments!\n",         << 
125         -exitval => 1,                         << 
126         -verbose => 99,                        << 
127         -sections => 'SYNOPSIS',               << 
128         -output => \*STDERR,                   << 
129       );                                       << 
130 }                                                 270 }
131                                                   271 
132 my $kernelversion;                                272 my $kernelversion;
133 my ($sphinx_major, $sphinx_minor, $sphinx_patc << 
134                                                << 
135 my $dohighlight = "";                             273 my $dohighlight = "";
136                                                   274 
137 my $verbose = 0;                                  275 my $verbose = 0;
138 my $Werror = 0;                                << 
139 my $Wreturn = 0;                               << 
140 my $Wshort_desc = 0;                           << 
141 my $Wcontents_before_sections = 0;             << 
142 my $output_mode = "rst";                          276 my $output_mode = "rst";
143 my $output_preformatted = 0;                      277 my $output_preformatted = 0;
144 my $no_doc_sections = 0;                          278 my $no_doc_sections = 0;
145 my $enable_lineno = 0;                            279 my $enable_lineno = 0;
146 my @highlights = @highlights_rst;                 280 my @highlights = @highlights_rst;
147 my $blankline = $blankline_rst;                   281 my $blankline = $blankline_rst;
148 my $modulename = "Kernel API";                    282 my $modulename = "Kernel API";
149                                                   283 
150 use constant {                                    284 use constant {
151     OUTPUT_ALL          => 0, # output all sym    285     OUTPUT_ALL          => 0, # output all symbols and doc sections
152     OUTPUT_INCLUDE      => 1, # output only sp    286     OUTPUT_INCLUDE      => 1, # output only specified symbols
153     OUTPUT_EXPORTED     => 2, # output exporte !! 287     OUTPUT_EXCLUDE      => 2, # output everything except specified symbols
154     OUTPUT_INTERNAL     => 3, # output non-exp !! 288     OUTPUT_EXPORTED     => 3, # output exported symbols
                                                   >> 289     OUTPUT_INTERNAL     => 4, # output non-exported symbols
155 };                                                290 };
156 my $output_selection = OUTPUT_ALL;                291 my $output_selection = OUTPUT_ALL;
157 my $show_not_found = 0; # No longer used          292 my $show_not_found = 0; # No longer used
158                                                   293 
159 my @export_file_list;                             294 my @export_file_list;
160                                                   295 
161 my @build_time;                                   296 my @build_time;
162 if (defined($ENV{'KBUILD_BUILD_TIMESTAMP'}) &&    297 if (defined($ENV{'KBUILD_BUILD_TIMESTAMP'}) &&
163     (my $seconds = `date -d"${ENV{'KBUILD_BUIL    298     (my $seconds = `date -d"${ENV{'KBUILD_BUILD_TIMESTAMP'}}" +%s`) ne '') {
164     @build_time = gmtime($seconds);               299     @build_time = gmtime($seconds);
165 } else {                                          300 } else {
166     @build_time = localtime;                      301     @build_time = localtime;
167 }                                                 302 }
168                                                   303 
169 my $man_date = ('January', 'February', 'March'    304 my $man_date = ('January', 'February', 'March', 'April', 'May', 'June',
170                 'July', 'August', 'September', !! 305                 'July', 'August', 'September', 'October',
171                 'November', 'December')[$build !! 306                 'November', 'December')[$build_time[4]] .
172     " " . ($build_time[5]+1900);               !! 307   " " . ($build_time[5]+1900);
173                                                   308 
174 # Essentially these are globals.                  309 # Essentially these are globals.
175 # They probably want to be tidied up, made mor    310 # They probably want to be tidied up, made more localised or something.
176 # CAVEAT EMPTOR!  Some of the others I localis    311 # CAVEAT EMPTOR!  Some of the others I localised may not want to be, which
177 # could cause "use of undefined value" or othe    312 # could cause "use of undefined value" or other bugs.
178 my ($function, %function_table, %parametertype    313 my ($function, %function_table, %parametertypes, $declaration_purpose);
179 my %nosymbol_table = ();                       << 
180 my $declaration_start_line;                       314 my $declaration_start_line;
181 my ($type, $declaration_name, $return_type);      315 my ($type, $declaration_name, $return_type);
182 my ($newsection, $newcontents, $prototype, $br    316 my ($newsection, $newcontents, $prototype, $brcount, %source_map);
183                                                   317 
184 if (defined($ENV{'KBUILD_VERBOSE'}) && $ENV{'K !! 318 if (defined($ENV{'KBUILD_VERBOSE'})) {
185     $verbose = 1;                              !! 319         $verbose = "$ENV{'KBUILD_VERBOSE'}";
186 }                                                 320 }
187                                                   321 
188 if (defined($ENV{'KCFLAGS'})) {                << 
189     my $kcflags = "$ENV{'KCFLAGS'}";           << 
190                                                << 
191     if ($kcflags =~ /(\s|^)-Werror(\s|$)/) {   << 
192         $Werror = 1;                           << 
193     }                                          << 
194 }                                              << 
195                                                << 
196 # reading this variable is for backwards compa << 
197 # someone was calling it with the variable fro << 
198 # kernel's build system                        << 
199 if (defined($ENV{'KDOC_WERROR'})) {            << 
200     $Werror = "$ENV{'KDOC_WERROR'}";           << 
201 }                                              << 
202 # other environment variables are converted to << 
203 # arguments in cmd_checkdoc in the build syste << 
204                                                << 
205 # Generated docbook code is inserted in a temp    322 # Generated docbook code is inserted in a template at a point where
206 # docbook v3.1 requires a non-zero sequence of    323 # docbook v3.1 requires a non-zero sequence of RefEntry's; see:
207 # https://www.oasis-open.org/docbook/documenta    324 # https://www.oasis-open.org/docbook/documentation/reference/html/refentry.html
208 # We keep track of number of generated entries    325 # We keep track of number of generated entries and generate a dummy
209 # if needs be to ensure the expanded template     326 # if needs be to ensure the expanded template can be postprocessed
210 # into html.                                      327 # into html.
211 my $section_counter = 0;                          328 my $section_counter = 0;
212                                                   329 
213 my $lineprefix="";                                330 my $lineprefix="";
214                                                   331 
215 # Parser states                                   332 # Parser states
216 use constant {                                    333 use constant {
217     STATE_NORMAL        => 0,        # normal     334     STATE_NORMAL        => 0,        # normal code
218     STATE_NAME          => 1,        # looking    335     STATE_NAME          => 1,        # looking for function name
219     STATE_BODY_MAYBE    => 2,        # body -     336     STATE_BODY_MAYBE    => 2,        # body - or maybe more description
220     STATE_BODY          => 3,        # the bod    337     STATE_BODY          => 3,        # the body of the comment
221     STATE_BODY_WITH_BLANK_LINE => 4, # the bod    338     STATE_BODY_WITH_BLANK_LINE => 4, # the body, which has a blank line
222     STATE_PROTO         => 5,        # scannin    339     STATE_PROTO         => 5,        # scanning prototype
223     STATE_DOCBLOCK      => 6,        # documen    340     STATE_DOCBLOCK      => 6,        # documentation block
224     STATE_INLINE        => 7,        # gatheri    341     STATE_INLINE        => 7,        # gathering doc outside main block
225 };                                                342 };
226 my $state;                                        343 my $state;
227 my $in_doc_sect;                                  344 my $in_doc_sect;
228 my $leading_space;                                345 my $leading_space;
229                                                   346 
230 # Inline documentation state                      347 # Inline documentation state
231 use constant {                                    348 use constant {
232     STATE_INLINE_NA     => 0, # not applicable    349     STATE_INLINE_NA     => 0, # not applicable ($state != STATE_INLINE)
233     STATE_INLINE_NAME   => 1, # looking for me    350     STATE_INLINE_NAME   => 1, # looking for member name (@foo:)
234     STATE_INLINE_TEXT   => 2, # looking for me    351     STATE_INLINE_TEXT   => 2, # looking for member documentation
235     STATE_INLINE_END    => 3, # done              352     STATE_INLINE_END    => 3, # done
236     STATE_INLINE_ERROR  => 4, # error - Commen    353     STATE_INLINE_ERROR  => 4, # error - Comment without header was found.
237                               # Spit a warning    354                               # Spit a warning as it's not
238                               # proper kernel-    355                               # proper kernel-doc and ignore the rest.
239 };                                                356 };
240 my $inline_doc_state;                             357 my $inline_doc_state;
241                                                   358 
242 #declaration types: can be                        359 #declaration types: can be
243 # 'function', 'struct', 'union', 'enum', 'type    360 # 'function', 'struct', 'union', 'enum', 'typedef'
244 my $decl_type;                                    361 my $decl_type;
245                                                   362 
246 # Name of the kernel-doc identifier for non-DO << 
247 my $identifier;                                << 
248                                                << 
249 my $doc_start = '^/\*\*\s*$'; # Allow whitespa    363 my $doc_start = '^/\*\*\s*$'; # Allow whitespace at end of comment start.
250 my $doc_end = '\*/';                              364 my $doc_end = '\*/';
251 my $doc_com = '\s*\*\s*';                         365 my $doc_com = '\s*\*\s*';
252 my $doc_com_body = '\s*\* ?';                     366 my $doc_com_body = '\s*\* ?';
253 my $doc_decl = $doc_com . '(\w+)';                367 my $doc_decl = $doc_com . '(\w+)';
254 # @params and a strictly limited set of suppor    368 # @params and a strictly limited set of supported section names
255 # Specifically:                                << 
256 #   Match @word:                               << 
257 #         @...:                                << 
258 #         @{section-name}:                     << 
259 # while trying to not match literal block star << 
260 #                                              << 
261 my $doc_sect = $doc_com .                         369 my $doc_sect = $doc_com .
262     '\s*(\@[.\w]+|\@\.\.\.|description|context !! 370     '\s*(\@[.\w]+|\@\.\.\.|description|context|returns?|notes?|examples?)\s*:(.*)';
263 my $doc_content = $doc_com_body . '(.*)';         371 my $doc_content = $doc_com_body . '(.*)';
264 my $doc_block = $doc_com . 'DOC:\s*(.*)?';        372 my $doc_block = $doc_com . 'DOC:\s*(.*)?';
265 my $doc_inline_start = '^\s*/\*\*\s*$';           373 my $doc_inline_start = '^\s*/\*\*\s*$';
266 my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]    374 my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]*\s*):(.*)';
267 my $doc_inline_end = '^\s*\*/\s*$';               375 my $doc_inline_end = '^\s*\*/\s*$';
268 my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]    376 my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]+):\s*(.*)\s*\*/\s*$';
269 my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\    377 my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\s*\(\s*(\w+)\s*\)\s*;';
270 my $export_symbol_ns = '^\s*EXPORT_SYMBOL_NS(_ << 
271 my $function_pointer = qr{([^\(]*\(\*)\s*\)\s* << 
272 my $attribute = qr{__attribute__\s*\(\([a-z0-9 << 
273                                                   378 
274 my %parameterdescs;                               379 my %parameterdescs;
275 my %parameterdesc_start_lines;                    380 my %parameterdesc_start_lines;
276 my @parameterlist;                                381 my @parameterlist;
277 my %sections;                                     382 my %sections;
278 my @sectionlist;                                  383 my @sectionlist;
279 my %section_start_lines;                          384 my %section_start_lines;
280 my $sectcheck;                                    385 my $sectcheck;
281 my $struct_actual;                                386 my $struct_actual;
282                                                   387 
283 my $contents = "";                                388 my $contents = "";
284 my $new_start_line = 0;                           389 my $new_start_line = 0;
285                                                   390 
286 # the canonical section names. see also $doc_s    391 # the canonical section names. see also $doc_sect above.
287 my $section_default = "Description";    # defa    392 my $section_default = "Description";    # default section
288 my $section_intro = "Introduction";               393 my $section_intro = "Introduction";
289 my $section = $section_default;                   394 my $section = $section_default;
290 my $section_context = "Context";                  395 my $section_context = "Context";
291 my $section_return = "Return";                    396 my $section_return = "Return";
292                                                   397 
293 my $undescribed = "-- undescribed --";            398 my $undescribed = "-- undescribed --";
294                                                   399 
295 reset_state();                                    400 reset_state();
296                                                   401 
297 while ($ARGV[0] =~ m/^--?(.*)/) {                 402 while ($ARGV[0] =~ m/^--?(.*)/) {
298     my $cmd = $1;                                 403     my $cmd = $1;
299     shift @ARGV;                                  404     shift @ARGV;
300     if ($cmd eq "man") {                          405     if ($cmd eq "man") {
301         $output_mode = "man";                  !! 406         $output_mode = "man";
302         @highlights = @highlights_man;         !! 407         @highlights = @highlights_man;
303         $blankline = $blankline_man;           !! 408         $blankline = $blankline_man;
304     } elsif ($cmd eq "rst") {                     409     } elsif ($cmd eq "rst") {
305         $output_mode = "rst";                  !! 410         $output_mode = "rst";
306         @highlights = @highlights_rst;         !! 411         @highlights = @highlights_rst;
307         $blankline = $blankline_rst;           !! 412         $blankline = $blankline_rst;
308     } elsif ($cmd eq "none") {                    413     } elsif ($cmd eq "none") {
309         $output_mode = "none";                 !! 414         $output_mode = "none";
310     } elsif ($cmd eq "module") { # not needed     415     } elsif ($cmd eq "module") { # not needed for XML, inherits from calling document
311         $modulename = shift @ARGV;             !! 416         $modulename = shift @ARGV;
312     } elsif ($cmd eq "function") { # to only o    417     } elsif ($cmd eq "function") { # to only output specific functions
313         $output_selection = OUTPUT_INCLUDE;    !! 418         $output_selection = OUTPUT_INCLUDE;
314         $function = shift @ARGV;               !! 419         $function = shift @ARGV;
315         $function_table{$function} = 1;        !! 420         $function_table{$function} = 1;
316     } elsif ($cmd eq "nosymbol") { # Exclude s !! 421     } elsif ($cmd eq "nofunction") { # output all except specific functions
317         my $symbol = shift @ARGV;              !! 422         $output_selection = OUTPUT_EXCLUDE;
318         $nosymbol_table{$symbol} = 1;          !! 423         $function = shift @ARGV;
                                                   >> 424         $function_table{$function} = 1;
319     } elsif ($cmd eq "export") { # only export    425     } elsif ($cmd eq "export") { # only exported symbols
320         $output_selection = OUTPUT_EXPORTED;   !! 426         $output_selection = OUTPUT_EXPORTED;
321         %function_table = ();                  !! 427         %function_table = ();
322     } elsif ($cmd eq "internal") { # only non-    428     } elsif ($cmd eq "internal") { # only non-exported symbols
323         $output_selection = OUTPUT_INTERNAL;   !! 429         $output_selection = OUTPUT_INTERNAL;
324         %function_table = ();                  !! 430         %function_table = ();
325     } elsif ($cmd eq "export-file") {             431     } elsif ($cmd eq "export-file") {
326         my $file = shift @ARGV;                !! 432         my $file = shift @ARGV;
327         push(@export_file_list, $file);        !! 433         push(@export_file_list, $file);
328     } elsif ($cmd eq "v") {                       434     } elsif ($cmd eq "v") {
329         $verbose = 1;                          !! 435         $verbose = 1;
330     } elsif ($cmd eq "Werror") {               << 
331         $Werror = 1;                           << 
332     } elsif ($cmd eq "Wreturn") {              << 
333         $Wreturn = 1;                          << 
334     } elsif ($cmd eq "Wshort-desc" or $cmd eq  << 
335         $Wshort_desc = 1;                      << 
336     } elsif ($cmd eq "Wcontents-before-section << 
337         $Wcontents_before_sections = 1;        << 
338     } elsif ($cmd eq "Wall") {                 << 
339         $Wreturn = 1;                          << 
340         $Wshort_desc = 1;                      << 
341         $Wcontents_before_sections = 1;        << 
342     } elsif (($cmd eq "h") || ($cmd eq "help")    436     } elsif (($cmd eq "h") || ($cmd eq "help")) {
343         pod2usage(-exitval => 0, -verbose => 2 !! 437         usage();
344     } elsif ($cmd eq 'no-doc-sections') {         438     } elsif ($cmd eq 'no-doc-sections') {
345         $no_doc_sections = 1;                  !! 439             $no_doc_sections = 1;
346     } elsif ($cmd eq 'enable-lineno') {           440     } elsif ($cmd eq 'enable-lineno') {
347         $enable_lineno = 1;                    !! 441             $enable_lineno = 1;
348     } elsif ($cmd eq 'show-not-found') {          442     } elsif ($cmd eq 'show-not-found') {
349         $show_not_found = 1;  # A no-op but do !! 443         $show_not_found = 1;  # A no-op but don't fail
350     } elsif ($cmd eq "sphinx-version") {       << 
351         my $ver_string = shift @ARGV;          << 
352         if ($ver_string =~ m/^(\d+)(\.\d+)?(\. << 
353             $sphinx_major = $1;                << 
354             if (defined($2)) {                 << 
355                 $sphinx_minor = substr($2,1);  << 
356             } else {                           << 
357                 $sphinx_minor = 0;             << 
358             }                                  << 
359             if (defined($3)) {                 << 
360                 $sphinx_patch = substr($3,1)   << 
361             } else {                           << 
362                 $sphinx_patch = 0;             << 
363             }                                  << 
364         } else {                               << 
365             die "Sphinx version should either  << 
366         }                                      << 
367     } else {                                      444     } else {
368         # Unknown argument                     !! 445         # Unknown argument
369         pod2usage(                             !! 446         usage();
370             -message => "Argument unknown!\n", << 
371             -exitval => 1,                     << 
372             -verbose => 99,                    << 
373             -sections => 'SYNOPSIS',           << 
374             -output => \*STDERR,               << 
375             );                                 << 
376     }                                          << 
377     if ($#ARGV < 0){                           << 
378         pod2usage(                             << 
379             -message => "FILE argument missing << 
380             -exitval => 1,                     << 
381             -verbose => 99,                    << 
382             -sections => 'SYNOPSIS',           << 
383             -output => \*STDERR,               << 
384             );                                 << 
385     }                                             447     }
386 }                                                 448 }
387                                                   449 
388 # continue execution near EOF;                    450 # continue execution near EOF;
389                                                   451 
390 # The C domain dialect changed on Sphinx 3. So << 
391 # version in order to produce the right tags.  << 
392 sub findprog($)                                << 
393 {                                              << 
394     foreach(split(/:/, $ENV{PATH})) {          << 
395         return "$_/$_[0]" if(-x "$_/$_[0]");   << 
396     }                                          << 
397 }                                              << 
398                                                << 
399 sub get_sphinx_version()                       << 
400 {                                              << 
401     my $ver;                                   << 
402                                                << 
403     my $cmd = "sphinx-build";                  << 
404     if (!findprog($cmd)) {                     << 
405         my $cmd = "sphinx-build3";             << 
406         if (!findprog($cmd)) {                 << 
407             $sphinx_major = 1;                 << 
408             $sphinx_minor = 2;                 << 
409             $sphinx_patch = 0;                 << 
410             printf STDERR "Warning: Sphinx ver << 
411                    $sphinx_major, $sphinx_mino << 
412             return;                            << 
413         }                                      << 
414     }                                          << 
415                                                << 
416     open IN, "$cmd --version 2>&1 |";          << 
417     while (<IN>) {                             << 
418         if (m/^\s*sphinx-build\s+([\d]+)\.([\d << 
419             $sphinx_major = $1;                << 
420             $sphinx_minor = $2;                << 
421             $sphinx_patch = $3;                << 
422             last;                              << 
423         }                                      << 
424         # Sphinx 1.2.x uses a different format << 
425         if (m/^\s*Sphinx.*\s+([\d]+)\.([\d\.]+ << 
426             $sphinx_major = $1;                << 
427             $sphinx_minor = $2;                << 
428             $sphinx_patch = $3;                << 
429             last;                              << 
430         }                                      << 
431     }                                          << 
432     close IN;                                  << 
433 }                                              << 
434                                                << 
435 # get kernel version from env                     452 # get kernel version from env
436 sub get_kernel_version() {                        453 sub get_kernel_version() {
437     my $version = 'unknown kernel version';       454     my $version = 'unknown kernel version';
438                                                   455 
439     if (defined($ENV{'KERNELVERSION'})) {         456     if (defined($ENV{'KERNELVERSION'})) {
440         $version = $ENV{'KERNELVERSION'};      !! 457         $version = $ENV{'KERNELVERSION'};
441     }                                             458     }
442     return $version;                              459     return $version;
443 }                                                 460 }
444                                                   461 
445 #                                                 462 #
446 sub print_lineno {                                463 sub print_lineno {
447     my $lineno = shift;                           464     my $lineno = shift;
448     if ($enable_lineno && defined($lineno)) {     465     if ($enable_lineno && defined($lineno)) {
449         print ".. LINENO " . $lineno . "\n";   !! 466         print "#define LINENO " . $lineno . "\n";
450     }                                             467     }
451 }                                                 468 }
452                                                << 
453 sub emit_warning {                             << 
454     my $location = shift;                      << 
455     my $msg = shift;                           << 
456     print STDERR "$location: warning: $msg";   << 
457     ++$warnings;                               << 
458 }                                              << 
459 ##                                                469 ##
460 # dumps section contents to arrays/hashes inte    470 # dumps section contents to arrays/hashes intended for that purpose.
461 #                                                 471 #
462 sub dump_section {                                472 sub dump_section {
463     my $file = shift;                             473     my $file = shift;
464     my $name = shift;                             474     my $name = shift;
465     my $contents = join "\n", @_;                 475     my $contents = join "\n", @_;
466                                                   476 
467     if ($name =~ m/$type_param/) {                477     if ($name =~ m/$type_param/) {
468         $name = $1;                            !! 478         $name = $1;
469         $parameterdescs{$name} = $contents;    !! 479         $parameterdescs{$name} = $contents;
470         $sectcheck = $sectcheck . $name . " "; !! 480         $sectcheck = $sectcheck . $name . " ";
471         $parameterdesc_start_lines{$name} = $n    481         $parameterdesc_start_lines{$name} = $new_start_line;
472         $new_start_line = 0;                      482         $new_start_line = 0;
473     } elsif ($name eq "@\.\.\.") {                483     } elsif ($name eq "@\.\.\.") {
474         $name = "...";                         !! 484         $name = "...";
475         $parameterdescs{$name} = $contents;    !! 485         $parameterdescs{$name} = $contents;
476         $sectcheck = $sectcheck . $name . " "; !! 486         $sectcheck = $sectcheck . $name . " ";
477         $parameterdesc_start_lines{$name} = $n    487         $parameterdesc_start_lines{$name} = $new_start_line;
478         $new_start_line = 0;                      488         $new_start_line = 0;
479     } else {                                      489     } else {
480         if (defined($sections{$name}) && ($sec !! 490         if (defined($sections{$name}) && ($sections{$name} ne "")) {
481             # Only warn on user specified dupl !! 491             # Only warn on user specified duplicate section names.
482             if ($name ne $section_default) {   !! 492             if ($name ne $section_default) {
483                 emit_warning("${file}:$.", "du !! 493                 print STDERR "${file}:$.: warning: duplicate section name '$name'\n";
484             }                                  !! 494                 ++$warnings;
485             $sections{$name} .= $contents;     !! 495             }
486         } else {                               !! 496             $sections{$name} .= $contents;
487             $sections{$name} = $contents;      !! 497         } else {
488             push @sectionlist, $name;          !! 498             $sections{$name} = $contents;
                                                   >> 499             push @sectionlist, $name;
489             $section_start_lines{$name} = $new    500             $section_start_lines{$name} = $new_start_line;
490             $new_start_line = 0;                  501             $new_start_line = 0;
491         }                                      !! 502         }
492     }                                             503     }
493 }                                                 504 }
494                                                   505 
495 ##                                                506 ##
496 # dump DOC: section after checking that it sho    507 # dump DOC: section after checking that it should go out
497 #                                                 508 #
498 sub dump_doc_section {                            509 sub dump_doc_section {
499     my $file = shift;                             510     my $file = shift;
500     my $name = shift;                             511     my $name = shift;
501     my $contents = join "\n", @_;                 512     my $contents = join "\n", @_;
502                                                   513 
503     if ($no_doc_sections) {                       514     if ($no_doc_sections) {
504         return;                                   515         return;
505     }                                             516     }
506                                                   517 
507     return if (defined($nosymbol_table{$name}) << 
508                                                << 
509     if (($output_selection == OUTPUT_ALL) ||      518     if (($output_selection == OUTPUT_ALL) ||
510         (($output_selection == OUTPUT_INCLUDE) !! 519         ($output_selection == OUTPUT_INCLUDE &&
511          defined($function_table{$name})))     !! 520          defined($function_table{$name})) ||
                                                   >> 521         ($output_selection == OUTPUT_EXCLUDE &&
                                                   >> 522          !defined($function_table{$name})))
512     {                                             523     {
513         dump_section($file, $name, $contents); !! 524         dump_section($file, $name, $contents);
514         output_blockhead({'sectionlist' => \@s !! 525         output_blockhead({'sectionlist' => \@sectionlist,
515                           'sections' => \%sect !! 526                           'sections' => \%sections,
516                           'module' => $modulen !! 527                           'module' => $modulename,
517                           'content-only' => ($ !! 528                           'content-only' => ($output_selection != OUTPUT_ALL), });
518     }                                             529     }
519 }                                                 530 }
520                                                   531 
521 ##                                                532 ##
522 # output function                                 533 # output function
523 #                                                 534 #
524 # parameterdescs, a hash.                         535 # parameterdescs, a hash.
525 #  function => "function name"                    536 #  function => "function name"
526 #  parameterlist => @list of parameters           537 #  parameterlist => @list of parameters
527 #  parameterdescs => %parameter descriptions      538 #  parameterdescs => %parameter descriptions
528 #  sectionlist => @list of sections               539 #  sectionlist => @list of sections
529 #  sections => %section descriptions              540 #  sections => %section descriptions
530 #                                                 541 #
531                                                   542 
532 sub output_highlight {                            543 sub output_highlight {
533     my $contents = join "\n",@_;                  544     my $contents = join "\n",@_;
534     my $line;                                     545     my $line;
535                                                   546 
536 #   DEBUG                                         547 #   DEBUG
537 #   if (!defined $contents) {                     548 #   if (!defined $contents) {
538 #       use Carp;                                 549 #       use Carp;
539 #       confess "output_highlight got called w    550 #       confess "output_highlight got called with no args?\n";
540 #   }                                             551 #   }
541                                                   552 
542 #   print STDERR "contents b4:$contents\n";       553 #   print STDERR "contents b4:$contents\n";
543     eval $dohighlight;                            554     eval $dohighlight;
544     die $@ if $@;                                 555     die $@ if $@;
545 #   print STDERR "contents af:$contents\n";       556 #   print STDERR "contents af:$contents\n";
546                                                   557 
547     foreach $line (split "\n", $contents) {       558     foreach $line (split "\n", $contents) {
548         if (! $output_preformatted) {          !! 559         if (! $output_preformatted) {
549             $line =~ s/^\s*//;                 !! 560             $line =~ s/^\s*//;
550         }                                      !! 561         }
551         if ($line eq ""){                      !! 562         if ($line eq ""){
552             if (! $output_preformatted) {      !! 563             if (! $output_preformatted) {
553                 print $lineprefix, $blankline; !! 564                 print $lineprefix, $blankline;
554             }                                  !! 565             }
555         } else {                               !! 566         } else {
556             if ($output_mode eq "man" && subst !! 567             if ($output_mode eq "man" && substr($line, 0, 1) eq ".") {
557                 print "\\&$line";              !! 568                 print "\\&$line";
558             } else {                           !! 569             } else {
559                 print $lineprefix, $line;      !! 570                 print $lineprefix, $line;
560             }                                  !! 571             }
561         }                                      !! 572         }
562         print "\n";                            !! 573         print "\n";
563     }                                             574     }
564 }                                                 575 }
565                                                   576 
566 ##                                                577 ##
567 # output function in man                          578 # output function in man
568 sub output_function_man(%) {                      579 sub output_function_man(%) {
569     my %args = %{$_[0]};                          580     my %args = %{$_[0]};
570     my ($parameter, $section);                    581     my ($parameter, $section);
571     my $count;                                    582     my $count;
572                                                   583 
573     print ".TH \"$args{'function'}\" 9 \"$args    584     print ".TH \"$args{'function'}\" 9 \"$args{'function'}\" \"$man_date\" \"Kernel Hacker's Manual\" LINUX\n";
574                                                   585 
575     print ".SH NAME\n";                           586     print ".SH NAME\n";
576     print $args{'function'} . " \\- " . $args{    587     print $args{'function'} . " \\- " . $args{'purpose'} . "\n";
577                                                   588 
578     print ".SH SYNOPSIS\n";                       589     print ".SH SYNOPSIS\n";
579     if ($args{'functiontype'} ne "") {            590     if ($args{'functiontype'} ne "") {
580         print ".B \"" . $args{'functiontype'}  !! 591         print ".B \"" . $args{'functiontype'} . "\" " . $args{'function'} . "\n";
581     } else {                                      592     } else {
582         print ".B \"" . $args{'function'} . "\ !! 593         print ".B \"" . $args{'function'} . "\n";
583     }                                             594     }
584     $count = 0;                                   595     $count = 0;
585     my $parenth = "(";                            596     my $parenth = "(";
586     my $post = ",";                               597     my $post = ",";
587     foreach my $parameter (@{$args{'parameterl    598     foreach my $parameter (@{$args{'parameterlist'}}) {
588         if ($count == $#{$args{'parameterlist' !! 599         if ($count == $#{$args{'parameterlist'}}) {
589             $post = ");";                      !! 600             $post = ");";
590         }                                      !! 601         }
591         $type = $args{'parametertypes'}{$param !! 602         $type = $args{'parametertypes'}{$parameter};
592         if ($type =~ m/$function_pointer/) {   !! 603         if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) {
593             # pointer-to-function              !! 604             # pointer-to-function
594             print ".BI \"" . $parenth . $1 . " !! 605             print ".BI \"" . $parenth . $1 . "\" " . $parameter . " \") (" . $2 . ")" . $post . "\"\n";
595         } else {                               !! 606         } else {
596             $type =~ s/([^\*])$/$1 /;          !! 607             $type =~ s/([^\*])$/$1 /;
597             print ".BI \"" . $parenth . $type  !! 608             print ".BI \"" . $parenth . $type . "\" " . $parameter . " \"" . $post . "\"\n";
598         }                                      !! 609         }
599         $count++;                              !! 610         $count++;
600         $parenth = "";                         !! 611         $parenth = "";
601     }                                             612     }
602                                                   613 
603     print ".SH ARGUMENTS\n";                      614     print ".SH ARGUMENTS\n";
604     foreach $parameter (@{$args{'parameterlist    615     foreach $parameter (@{$args{'parameterlist'}}) {
605         my $parameter_name = $parameter;       !! 616         my $parameter_name = $parameter;
606         $parameter_name =~ s/\[.*//;           !! 617         $parameter_name =~ s/\[.*//;
607                                                   618 
608         print ".IP \"" . $parameter . "\" 12\n !! 619         print ".IP \"" . $parameter . "\" 12\n";
609         output_highlight($args{'parameterdescs !! 620         output_highlight($args{'parameterdescs'}{$parameter_name});
610     }                                             621     }
611     foreach $section (@{$args{'sectionlist'}})    622     foreach $section (@{$args{'sectionlist'}}) {
612         print ".SH \"", uc $section, "\"\n";   !! 623         print ".SH \"", uc $section, "\"\n";
613         output_highlight($args{'sections'}{$se !! 624         output_highlight($args{'sections'}{$section});
614     }                                             625     }
615 }                                                 626 }
616                                                   627 
617 ##                                                628 ##
618 # output enum in man                              629 # output enum in man
619 sub output_enum_man(%) {                          630 sub output_enum_man(%) {
620     my %args = %{$_[0]};                          631     my %args = %{$_[0]};
621     my ($parameter, $section);                    632     my ($parameter, $section);
622     my $count;                                    633     my $count;
623                                                   634 
624     print ".TH \"$args{'module'}\" 9 \"enum $a    635     print ".TH \"$args{'module'}\" 9 \"enum $args{'enum'}\" \"$man_date\" \"API Manual\" LINUX\n";
625                                                   636 
626     print ".SH NAME\n";                           637     print ".SH NAME\n";
627     print "enum " . $args{'enum'} . " \\- " .     638     print "enum " . $args{'enum'} . " \\- " . $args{'purpose'} . "\n";
628                                                   639 
629     print ".SH SYNOPSIS\n";                       640     print ".SH SYNOPSIS\n";
630     print "enum " . $args{'enum'} . " {\n";       641     print "enum " . $args{'enum'} . " {\n";
631     $count = 0;                                   642     $count = 0;
632     foreach my $parameter (@{$args{'parameterl    643     foreach my $parameter (@{$args{'parameterlist'}}) {
633         print ".br\n.BI \"    $parameter\"\n"; !! 644         print ".br\n.BI \"    $parameter\"\n";
634         if ($count == $#{$args{'parameterlist' !! 645         if ($count == $#{$args{'parameterlist'}}) {
635             print "\n};\n";                    !! 646             print "\n};\n";
636             last;                              !! 647             last;
637         } else {                               !! 648         }
638             print ", \n.br\n";                 !! 649         else {
639         }                                      !! 650             print ", \n.br\n";
640         $count++;                              !! 651         }
                                                   >> 652         $count++;
641     }                                             653     }
642                                                   654 
643     print ".SH Constants\n";                      655     print ".SH Constants\n";
644     foreach $parameter (@{$args{'parameterlist    656     foreach $parameter (@{$args{'parameterlist'}}) {
645         my $parameter_name = $parameter;       !! 657         my $parameter_name = $parameter;
646         $parameter_name =~ s/\[.*//;           !! 658         $parameter_name =~ s/\[.*//;
647                                                   659 
648         print ".IP \"" . $parameter . "\" 12\n !! 660         print ".IP \"" . $parameter . "\" 12\n";
649         output_highlight($args{'parameterdescs !! 661         output_highlight($args{'parameterdescs'}{$parameter_name});
650     }                                             662     }
651     foreach $section (@{$args{'sectionlist'}})    663     foreach $section (@{$args{'sectionlist'}}) {
652         print ".SH \"$section\"\n";            !! 664         print ".SH \"$section\"\n";
653         output_highlight($args{'sections'}{$se !! 665         output_highlight($args{'sections'}{$section});
654     }                                             666     }
655 }                                                 667 }
656                                                   668 
657 ##                                                669 ##
658 # output struct in man                            670 # output struct in man
659 sub output_struct_man(%) {                        671 sub output_struct_man(%) {
660     my %args = %{$_[0]};                          672     my %args = %{$_[0]};
661     my ($parameter, $section);                    673     my ($parameter, $section);
662                                                   674 
663     print ".TH \"$args{'module'}\" 9 \"" . $ar    675     print ".TH \"$args{'module'}\" 9 \"" . $args{'type'} . " " . $args{'struct'} . "\" \"$man_date\" \"API Manual\" LINUX\n";
664                                                   676 
665     print ".SH NAME\n";                           677     print ".SH NAME\n";
666     print $args{'type'} . " " . $args{'struct'    678     print $args{'type'} . " " . $args{'struct'} . " \\- " . $args{'purpose'} . "\n";
667                                                   679 
668     my $declaration = $args{'definition'};        680     my $declaration = $args{'definition'};
669     $declaration =~ s/\t/  /g;                    681     $declaration =~ s/\t/  /g;
670     $declaration =~ s/\n/"\n.br\n.BI \"/g;        682     $declaration =~ s/\n/"\n.br\n.BI \"/g;
671     print ".SH SYNOPSIS\n";                       683     print ".SH SYNOPSIS\n";
672     print $args{'type'} . " " . $args{'struct'    684     print $args{'type'} . " " . $args{'struct'} . " {\n.br\n";
673     print ".BI \"$declaration\n};\n.br\n\n";      685     print ".BI \"$declaration\n};\n.br\n\n";
674                                                   686 
675     print ".SH Members\n";                        687     print ".SH Members\n";
676     foreach $parameter (@{$args{'parameterlist    688     foreach $parameter (@{$args{'parameterlist'}}) {
677         ($parameter =~ /^#/) && next;          !! 689         ($parameter =~ /^#/) && next;
678                                                   690 
679         my $parameter_name = $parameter;       !! 691         my $parameter_name = $parameter;
680         $parameter_name =~ s/\[.*//;           !! 692         $parameter_name =~ s/\[.*//;
681                                                   693 
682         ($args{'parameterdescs'}{$parameter_na !! 694         ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next;
683         print ".IP \"" . $parameter . "\" 12\n !! 695         print ".IP \"" . $parameter . "\" 12\n";
684         output_highlight($args{'parameterdescs !! 696         output_highlight($args{'parameterdescs'}{$parameter_name});
685     }                                             697     }
686     foreach $section (@{$args{'sectionlist'}})    698     foreach $section (@{$args{'sectionlist'}}) {
687         print ".SH \"$section\"\n";            !! 699         print ".SH \"$section\"\n";
688         output_highlight($args{'sections'}{$se !! 700         output_highlight($args{'sections'}{$section});
689     }                                             701     }
690 }                                                 702 }
691                                                   703 
692 ##                                                704 ##
693 # output typedef in man                           705 # output typedef in man
694 sub output_typedef_man(%) {                       706 sub output_typedef_man(%) {
695     my %args = %{$_[0]};                          707     my %args = %{$_[0]};
696     my ($parameter, $section);                    708     my ($parameter, $section);
697                                                   709 
698     print ".TH \"$args{'module'}\" 9 \"$args{'    710     print ".TH \"$args{'module'}\" 9 \"$args{'typedef'}\" \"$man_date\" \"API Manual\" LINUX\n";
699                                                   711 
700     print ".SH NAME\n";                           712     print ".SH NAME\n";
701     print "typedef " . $args{'typedef'} . " \\    713     print "typedef " . $args{'typedef'} . " \\- " . $args{'purpose'} . "\n";
702                                                   714 
703     foreach $section (@{$args{'sectionlist'}})    715     foreach $section (@{$args{'sectionlist'}}) {
704         print ".SH \"$section\"\n";            !! 716         print ".SH \"$section\"\n";
705         output_highlight($args{'sections'}{$se !! 717         output_highlight($args{'sections'}{$section});
706     }                                             718     }
707 }                                                 719 }
708                                                   720 
709 sub output_blockhead_man(%) {                     721 sub output_blockhead_man(%) {
710     my %args = %{$_[0]};                          722     my %args = %{$_[0]};
711     my ($parameter, $section);                    723     my ($parameter, $section);
712     my $count;                                    724     my $count;
713                                                   725 
714     print ".TH \"$args{'module'}\" 9 \"$args{'    726     print ".TH \"$args{'module'}\" 9 \"$args{'module'}\" \"$man_date\" \"API Manual\" LINUX\n";
715                                                   727 
716     foreach $section (@{$args{'sectionlist'}})    728     foreach $section (@{$args{'sectionlist'}}) {
717         print ".SH \"$section\"\n";            !! 729         print ".SH \"$section\"\n";
718         output_highlight($args{'sections'}{$se !! 730         output_highlight($args{'sections'}{$section});
719     }                                             731     }
720 }                                                 732 }
721                                                   733 
722 ##                                                734 ##
723 # output in restructured text                     735 # output in restructured text
724 #                                                 736 #
725                                                   737 
726 #                                                 738 #
727 # This could use some work; it's used to outpu    739 # This could use some work; it's used to output the DOC: sections, and
728 # starts by putting out the name of the doc se    740 # starts by putting out the name of the doc section itself, but that tends
729 # to duplicate a header already in the templat    741 # to duplicate a header already in the template file.
730 #                                                 742 #
731 sub output_blockhead_rst(%) {                     743 sub output_blockhead_rst(%) {
732     my %args = %{$_[0]};                          744     my %args = %{$_[0]};
733     my ($parameter, $section);                    745     my ($parameter, $section);
734                                                   746 
735     foreach $section (@{$args{'sectionlist'}})    747     foreach $section (@{$args{'sectionlist'}}) {
736         next if (defined($nosymbol_table{$sect !! 748         if ($output_selection != OUTPUT_INCLUDE) {
737                                                !! 749             print "**$section**\n\n";
738         if ($output_selection != OUTPUT_INCLUD !! 750         }
739             print ".. _$section:\n\n";         << 
740             print "**$section**\n\n";          << 
741         }                                      << 
742         print_lineno($section_start_lines{$sec    751         print_lineno($section_start_lines{$section});
743         output_highlight_rst($args{'sections'} !! 752         output_highlight_rst($args{'sections'}{$section});
744         print "\n";                            !! 753         print "\n";
745     }                                             754     }
746 }                                                 755 }
747                                                   756 
748 #                                                 757 #
749 # Apply the RST highlights to a sub-block of t    758 # Apply the RST highlights to a sub-block of text.
750 #                                                 759 #
751 sub highlight_block($) {                          760 sub highlight_block($) {
752     # The dohighlight kludge requires the text    761     # The dohighlight kludge requires the text be called $contents
753     my $contents = shift;                         762     my $contents = shift;
754     eval $dohighlight;                            763     eval $dohighlight;
755     die $@ if $@;                                 764     die $@ if $@;
756     return $contents;                             765     return $contents;
757 }                                                 766 }
758                                                   767 
759 #                                                 768 #
760 # Regexes used only here.                         769 # Regexes used only here.
761 #                                                 770 #
762 my $sphinx_literal = '^[^.].*::$';                771 my $sphinx_literal = '^[^.].*::$';
763 my $sphinx_cblock = '^\.\.\ +code-block::';       772 my $sphinx_cblock = '^\.\.\ +code-block::';
764                                                   773 
765 sub output_highlight_rst {                        774 sub output_highlight_rst {
766     my $input = join "\n",@_;                     775     my $input = join "\n",@_;
767     my $output = "";                              776     my $output = "";
768     my $line;                                     777     my $line;
769     my $in_literal = 0;                           778     my $in_literal = 0;
770     my $litprefix;                                779     my $litprefix;
771     my $block = "";                               780     my $block = "";
772                                                   781 
773     foreach $line (split "\n",$input) {           782     foreach $line (split "\n",$input) {
774         #                                      !! 783         #
775         # If we're in a literal block, see if  !! 784         # If we're in a literal block, see if we should drop out
776         # of it.  Otherwise pass the line stra !! 785         # of it.  Otherwise pass the line straight through unmunged.
777         #                                      !! 786         #
778         if ($in_literal) {                     !! 787         if ($in_literal) {
779             if (! ($line =~ /^\s*$/)) {        !! 788             if (! ($line =~ /^\s*$/)) {
780                 #                              !! 789                 #
781                 # If this is the first non-bla !! 790                 # If this is the first non-blank line in a literal
782                 # block we need to figure out  !! 791                 # block we need to figure out what the proper indent is.
783                 #                              !! 792                 #
784                 if ($litprefix eq "") {        !! 793                 if ($litprefix eq "") {
785                     $line =~ /^(\s*)/;         !! 794                     $line =~ /^(\s*)/;
786                     $litprefix = '^' . $1;     !! 795                     $litprefix = '^' . $1;
787                     $output .= $line . "\n";   !! 796                     $output .= $line . "\n";
788                 } elsif (! ($line =~ /$litpref !! 797                 } elsif (! ($line =~ /$litprefix/)) {
789                     $in_literal = 0;           !! 798                     $in_literal = 0;
790                 } else {                       !! 799                 } else {
791                     $output .= $line . "\n";   !! 800                     $output .= $line . "\n";
792                 }                              !! 801                 }
793             } else {                           !! 802             } else {
794                 $output .= $line . "\n";       !! 803                 $output .= $line . "\n";
795             }                                  !! 804             }
796         }                                      !! 805         }
797         #                                      !! 806         #
798         # Not in a literal block (or just drop !! 807         # Not in a literal block (or just dropped out)
799         #                                      !! 808         #
800         if (! $in_literal) {                   !! 809         if (! $in_literal) {
801             $block .= $line . "\n";            !! 810             $block .= $line . "\n";
802             if (($line =~ /$sphinx_literal/) | !! 811             if (($line =~ /$sphinx_literal/) || ($line =~ /$sphinx_cblock/)) {
803                 $in_literal = 1;               !! 812                 $in_literal = 1;
804                 $litprefix = "";               !! 813                 $litprefix = "";
805                 $output .= highlight_block($bl !! 814                 $output .= highlight_block($block);
806                 $block = ""                    !! 815                 $block = ""
807             }                                  !! 816             }
808         }                                      !! 817         }
809     }                                             818     }
810                                                   819 
811     if ($block) {                                 820     if ($block) {
812         $output .= highlight_block($block);    !! 821         $output .= highlight_block($block);
813     }                                             822     }
814     foreach $line (split "\n", $output) {         823     foreach $line (split "\n", $output) {
815         print $lineprefix . $line . "\n";      !! 824         print $lineprefix . $line . "\n";
816     }                                             825     }
817 }                                                 826 }
818                                                   827 
819 sub output_function_rst(%) {                      828 sub output_function_rst(%) {
820     my %args = %{$_[0]};                          829     my %args = %{$_[0]};
821     my ($parameter, $section);                    830     my ($parameter, $section);
822     my $oldprefix = $lineprefix;                  831     my $oldprefix = $lineprefix;
                                                   >> 832     my $start = "";
823                                                   833 
824     my $signature = "";                        !! 834     if ($args{'typedef'}) {
                                                   >> 835         print ".. c:type:: ". $args{'function'} . "\n\n";
                                                   >> 836         print_lineno($declaration_start_line);
                                                   >> 837         print "   **Typedef**: ";
                                                   >> 838         $lineprefix = "";
                                                   >> 839         output_highlight_rst($args{'purpose'});
                                                   >> 840         $start = "\n\n**Syntax**\n\n  ``";
                                                   >> 841     } else {
                                                   >> 842         print ".. c:function:: ";
                                                   >> 843     }
825     if ($args{'functiontype'} ne "") {            844     if ($args{'functiontype'} ne "") {
826         $signature = $args{'functiontype'} . " !! 845         $start .= $args{'functiontype'} . " " . $args{'function'} . " (";
827     } else {                                      846     } else {
828         $signature = $args{'function'} . " ("; !! 847         $start .= $args{'function'} . " (";
829     }                                             848     }
                                                   >> 849     print $start;
830                                                   850 
831     my $count = 0;                                851     my $count = 0;
832     foreach my $parameter (@{$args{'parameterl    852     foreach my $parameter (@{$args{'parameterlist'}}) {
833         if ($count ne 0) {                     !! 853         if ($count ne 0) {
834             $signature .= ", ";                !! 854             print ", ";
835         }                                      !! 855         }
836         $count++;                              !! 856         $count++;
837         $type = $args{'parametertypes'}{$param !! 857         $type = $args{'parametertypes'}{$parameter};
838                                                !! 858 
839         if ($type =~ m/$function_pointer/) {   !! 859         if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) {
840             # pointer-to-function              !! 860             # pointer-to-function
841             $signature .= $1 . $parameter . ") !! 861             print $1 . $parameter . ") (" . $2 . ")";
842         } else {                               !! 862         } else {
843             $signature .= $type;               !! 863             print $type . " " . $parameter;
844         }                                      !! 864         }
845     }                                             865     }
846                                                !! 866     if ($args{'typedef'}) {
847     $signature .= ")";                         !! 867         print ");``\n\n";
848                                                << 
849     if ($sphinx_major < 3) {                   << 
850         if ($args{'typedef'}) {                << 
851             print ".. c:type:: ". $args{'funct << 
852             print_lineno($declaration_start_li << 
853             print "   **Typedef**: ";          << 
854             $lineprefix = "";                  << 
855             output_highlight_rst($args{'purpos << 
856             print "\n\n**Syntax**\n\n";        << 
857             print "  ``$signature``\n\n";      << 
858         } else {                               << 
859             print ".. c:function:: $signature\ << 
860         }                                      << 
861     } else {                                      868     } else {
862         if ($args{'typedef'} || $args{'functio !! 869         print ")\n\n";
863             print ".. c:macro:: ". $args{'func !! 870         print_lineno($declaration_start_line);
864                                                !! 871         $lineprefix = "   ";
865             if ($args{'typedef'}) {            !! 872         output_highlight_rst($args{'purpose'});
866                 print_lineno($declaration_star !! 873         print "\n";
867                 print "   **Typedef**: ";      << 
868                 $lineprefix = "";              << 
869                 output_highlight_rst($args{'pu << 
870                 print "\n\n**Syntax**\n\n";    << 
871                 print "  ``$signature``\n\n";  << 
872             } else {                           << 
873                 print "``$signature``\n\n";    << 
874             }                                  << 
875         } else {                               << 
876             print ".. c:function:: $signature\ << 
877         }                                      << 
878     }                                             874     }
879                                                   875 
880     if (!$args{'typedef'}) {                   !! 876     print "**Parameters**\n\n";
881         print_lineno($declaration_start_line); << 
882         $lineprefix = "   ";                   << 
883         output_highlight_rst($args{'purpose'}) << 
884         print "\n";                            << 
885     }                                          << 
886                                                << 
887     #                                          << 
888     # Put our descriptive text into a containe << 
889     # set the function prototypes apart.       << 
890     #                                          << 
891     print ".. container:: kernelindent\n\n";   << 
892     $lineprefix = "  ";                           877     $lineprefix = "  ";
893     print $lineprefix . "**Parameters**\n\n";  << 
894     foreach $parameter (@{$args{'parameterlist    878     foreach $parameter (@{$args{'parameterlist'}}) {
895         my $parameter_name = $parameter;       !! 879         my $parameter_name = $parameter;
896         $parameter_name =~ s/\[.*//;           !! 880         $parameter_name =~ s/\[.*//;
897         $type = $args{'parametertypes'}{$param !! 881         $type = $args{'parametertypes'}{$parameter};
898                                                !! 882 
899         if ($type ne "") {                     !! 883         if ($type ne "") {
900             print $lineprefix . "``$type``\n"; !! 884             print "``$type $parameter``\n";
901         } else {                               !! 885         } else {
902             print $lineprefix . "``$parameter` !! 886             print "``$parameter``\n";
903         }                                      !! 887         }
904                                                   888 
905         print_lineno($parameterdesc_start_line    889         print_lineno($parameterdesc_start_lines{$parameter_name});
906                                                   890 
907         $lineprefix = "    ";                  !! 891         if (defined($args{'parameterdescs'}{$parameter_name}) &&
908         if (defined($args{'parameterdescs'}{$p !! 892             $args{'parameterdescs'}{$parameter_name} ne $undescribed) {
909             $args{'parameterdescs'}{$parameter !! 893             output_highlight_rst($args{'parameterdescs'}{$parameter_name});
910             output_highlight_rst($args{'parame !! 894         } else {
911         } else {                               !! 895             print "  *undescribed*\n";
912             print $lineprefix . "*undescribed* !! 896         }
913         }                                      !! 897         print "\n";
914         $lineprefix = "  ";                    << 
915         print "\n";                            << 
916     }                                             898     }
917                                                   899 
918     output_section_rst(@_);                    << 
919     $lineprefix = $oldprefix;                     900     $lineprefix = $oldprefix;
                                                   >> 901     output_section_rst(@_);
920 }                                                 902 }
921                                                   903 
922 sub output_section_rst(%) {                       904 sub output_section_rst(%) {
923     my %args = %{$_[0]};                          905     my %args = %{$_[0]};
924     my $section;                                  906     my $section;
925     my $oldprefix = $lineprefix;                  907     my $oldprefix = $lineprefix;
                                                   >> 908     $lineprefix = "";
926                                                   909 
927     foreach $section (@{$args{'sectionlist'}})    910     foreach $section (@{$args{'sectionlist'}}) {
928         print $lineprefix . "**$section**\n\n" !! 911         print "**$section**\n\n";
929         print_lineno($section_start_lines{$sec    912         print_lineno($section_start_lines{$section});
930         output_highlight_rst($args{'sections'} !! 913         output_highlight_rst($args{'sections'}{$section});
931         print "\n";                            !! 914         print "\n";
932     }                                             915     }
933     print "\n";                                   916     print "\n";
                                                   >> 917     $lineprefix = $oldprefix;
934 }                                                 918 }
935                                                   919 
936 sub output_enum_rst(%) {                          920 sub output_enum_rst(%) {
937     my %args = %{$_[0]};                          921     my %args = %{$_[0]};
938     my ($parameter);                              922     my ($parameter);
939     my $oldprefix = $lineprefix;                  923     my $oldprefix = $lineprefix;
940     my $count;                                    924     my $count;
941     my $outer;                                 !! 925     my $name = "enum " . $args{'enum'};
942                                                   926 
943     if ($sphinx_major < 3) {                   !! 927     print "\n\n.. c:type:: " . $name . "\n\n";
944         my $name = "enum " . $args{'enum'};    << 
945         print "\n\n.. c:type:: " . $name . "\n << 
946     } else {                                   << 
947         my $name = $args{'enum'};              << 
948         print "\n\n.. c:enum:: " . $name . "\n << 
949     }                                          << 
950     print_lineno($declaration_start_line);        928     print_lineno($declaration_start_line);
951     $lineprefix = "  ";                        !! 929     $lineprefix = "   ";
952     output_highlight_rst($args{'purpose'});       930     output_highlight_rst($args{'purpose'});
953     print "\n";                                   931     print "\n";
954                                                   932 
955     print ".. container:: kernelindent\n\n";   !! 933     print "**Constants**\n\n";
956     $outer = $lineprefix . "  ";               !! 934     $lineprefix = "  ";
957     $lineprefix = $outer . "  ";               << 
958     print $outer . "**Constants**\n\n";        << 
959     foreach $parameter (@{$args{'parameterlist    935     foreach $parameter (@{$args{'parameterlist'}}) {
960         print $outer . "``$parameter``\n";     !! 936         print "``$parameter``\n";
961                                                !! 937         if ($args{'parameterdescs'}{$parameter} ne $undescribed) {
962         if ($args{'parameterdescs'}{$parameter !! 938             output_highlight_rst($args{'parameterdescs'}{$parameter});
963             output_highlight_rst($args{'parame !! 939         } else {
964         } else {                               !! 940             print "  *undescribed*\n";
965             print $lineprefix . "*undescribed* !! 941         }
966         }                                      !! 942         print "\n";
967         print "\n";                            << 
968     }                                             943     }
969     print "\n";                                !! 944 
970     $lineprefix = $oldprefix;                     945     $lineprefix = $oldprefix;
971     output_section_rst(@_);                       946     output_section_rst(@_);
972 }                                                 947 }
973                                                   948 
974 sub output_typedef_rst(%) {                       949 sub output_typedef_rst(%) {
975     my %args = %{$_[0]};                          950     my %args = %{$_[0]};
976     my ($parameter);                              951     my ($parameter);
977     my $oldprefix = $lineprefix;                  952     my $oldprefix = $lineprefix;
978     my $name;                                  !! 953     my $name = "typedef " . $args{'typedef'};
979                                                   954 
980     if ($sphinx_major < 3) {                   << 
981         $name = "typedef " . $args{'typedef'}; << 
982     } else {                                   << 
983         $name = $args{'typedef'};              << 
984     }                                          << 
985     print "\n\n.. c:type:: " . $name . "\n\n";    955     print "\n\n.. c:type:: " . $name . "\n\n";
986     print_lineno($declaration_start_line);        956     print_lineno($declaration_start_line);
987     $lineprefix = "   ";                          957     $lineprefix = "   ";
988     output_highlight_rst($args{'purpose'});       958     output_highlight_rst($args{'purpose'});
989     print "\n";                                   959     print "\n";
990                                                   960 
991     $lineprefix = $oldprefix;                     961     $lineprefix = $oldprefix;
992     output_section_rst(@_);                       962     output_section_rst(@_);
993 }                                                 963 }
994                                                   964 
995 sub output_struct_rst(%) {                        965 sub output_struct_rst(%) {
996     my %args = %{$_[0]};                          966     my %args = %{$_[0]};
997     my ($parameter);                              967     my ($parameter);
998     my $oldprefix = $lineprefix;                  968     my $oldprefix = $lineprefix;
                                                   >> 969     my $name = $args{'type'} . " " . $args{'struct'};
999                                                   970 
1000     if ($sphinx_major < 3) {                  !! 971     print "\n\n.. c:type:: " . $name . "\n\n";
1001         my $name = $args{'type'} . " " . $arg << 
1002         print "\n\n.. c:type:: " . $name . "\ << 
1003     } else {                                  << 
1004         my $name = $args{'struct'};           << 
1005         if ($args{'type'} eq 'union') {       << 
1006             print "\n\n.. c:union:: " . $name << 
1007         } else {                              << 
1008             print "\n\n.. c:struct:: " . $nam << 
1009         }                                     << 
1010     }                                         << 
1011     print_lineno($declaration_start_line);       972     print_lineno($declaration_start_line);
1012     $lineprefix = "  ";                       !! 973     $lineprefix = "   ";
1013     output_highlight_rst($args{'purpose'});      974     output_highlight_rst($args{'purpose'});
1014     print "\n";                                  975     print "\n";
1015                                                  976 
1016     print ".. container:: kernelindent\n\n";  !! 977     print "**Definition**\n\n";
1017     print $lineprefix . "**Definition**::\n\n !! 978     print "::\n\n";
1018     my $declaration = $args{'definition'};       979     my $declaration = $args{'definition'};
1019     $lineprefix = $lineprefix . "  ";         !! 980     $declaration =~ s/\t/  /g;
1020     $declaration =~ s/\t/$lineprefix/g;       !! 981     print "  " . $args{'type'} . " " . $args{'struct'} . " {\n$declaration  };\n\n";
1021     print $lineprefix . $args{'type'} . " " . << 
1022                                                  982 
                                                   >> 983     print "**Members**\n\n";
1023     $lineprefix = "  ";                          984     $lineprefix = "  ";
1024     print $lineprefix . "**Members**\n\n";    << 
1025     foreach $parameter (@{$args{'parameterlis    985     foreach $parameter (@{$args{'parameterlist'}}) {
1026         ($parameter =~ /^#/) && next;         !! 986         ($parameter =~ /^#/) && next;
1027                                                  987 
1028         my $parameter_name = $parameter;      !! 988         my $parameter_name = $parameter;
1029         $parameter_name =~ s/\[.*//;          !! 989         $parameter_name =~ s/\[.*//;
1030                                                  990 
1031         ($args{'parameterdescs'}{$parameter_n !! 991         ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next;
1032         $type = $args{'parametertypes'}{$para !! 992         $type = $args{'parametertypes'}{$parameter};
1033         print_lineno($parameterdesc_start_lin    993         print_lineno($parameterdesc_start_lines{$parameter_name});
1034         print $lineprefix . "``" . $parameter !! 994         print "``" . $parameter . "``\n";
1035         $lineprefix = "    ";                 !! 995         output_highlight_rst($args{'parameterdescs'}{$parameter_name});
1036         output_highlight_rst($args{'parameter !! 996         print "\n";
1037         $lineprefix = "  ";                   << 
1038         print "\n";                           << 
1039     }                                            997     }
1040     print "\n";                                  998     print "\n";
1041                                                  999 
1042     $lineprefix = $oldprefix;                    1000     $lineprefix = $oldprefix;
1043     output_section_rst(@_);                      1001     output_section_rst(@_);
1044 }                                                1002 }
1045                                                  1003 
1046 ## none mode output functions                    1004 ## none mode output functions
1047                                                  1005 
1048 sub output_function_none(%) {                    1006 sub output_function_none(%) {
1049 }                                                1007 }
1050                                                  1008 
1051 sub output_enum_none(%) {                        1009 sub output_enum_none(%) {
1052 }                                                1010 }
1053                                                  1011 
1054 sub output_typedef_none(%) {                     1012 sub output_typedef_none(%) {
1055 }                                                1013 }
1056                                                  1014 
1057 sub output_struct_none(%) {                      1015 sub output_struct_none(%) {
1058 }                                                1016 }
1059                                                  1017 
1060 sub output_blockhead_none(%) {                   1018 sub output_blockhead_none(%) {
1061 }                                                1019 }
1062                                                  1020 
1063 ##                                               1021 ##
1064 # generic output function for all types (func    1022 # generic output function for all types (function, struct/union, typedef, enum);
1065 # calls the generated, variable output_ funct    1023 # calls the generated, variable output_ function name based on
1066 # functype and output_mode                       1024 # functype and output_mode
1067 sub output_declaration {                         1025 sub output_declaration {
1068     no strict 'refs';                            1026     no strict 'refs';
1069     my $name = shift;                            1027     my $name = shift;
1070     my $functype = shift;                        1028     my $functype = shift;
1071     my $func = "output_${functype}_$output_mo    1029     my $func = "output_${functype}_$output_mode";
1072                                               << 
1073     return if (defined($nosymbol_table{$name} << 
1074                                               << 
1075     if (($output_selection == OUTPUT_ALL) ||     1030     if (($output_selection == OUTPUT_ALL) ||
1076         (($output_selection == OUTPUT_INCLUDE !! 1031         (($output_selection == OUTPUT_INCLUDE ||
1077           $output_selection == OUTPUT_EXPORTE !! 1032           $output_selection == OUTPUT_EXPORTED) &&
1078          defined($function_table{$name})) ||  !! 1033          defined($function_table{$name})) ||
1079         ($output_selection == OUTPUT_INTERNAL !! 1034         (($output_selection == OUTPUT_EXCLUDE ||
1080          !($functype eq "function" && defined !! 1035           $output_selection == OUTPUT_INTERNAL) &&
                                                   >> 1036          !($functype eq "function" && defined($function_table{$name}))))
1081     {                                            1037     {
1082         &$func(@_);                           !! 1038         &$func(@_);
1083         $section_counter++;                   !! 1039         $section_counter++;
1084     }                                            1040     }
1085 }                                                1041 }
1086                                                  1042 
1087 ##                                               1043 ##
1088 # generic output function - calls the right o    1044 # generic output function - calls the right one based on current output mode.
1089 sub output_blockhead {                           1045 sub output_blockhead {
1090     no strict 'refs';                            1046     no strict 'refs';
1091     my $func = "output_blockhead_" . $output_    1047     my $func = "output_blockhead_" . $output_mode;
1092     &$func(@_);                                  1048     &$func(@_);
1093     $section_counter++;                          1049     $section_counter++;
1094 }                                                1050 }
1095                                                  1051 
1096 ##                                               1052 ##
1097 # takes a declaration (struct, union, enum, t    1053 # takes a declaration (struct, union, enum, typedef) and
1098 # invokes the right handler. NOT called for f    1054 # invokes the right handler. NOT called for functions.
1099 sub dump_declaration($$) {                       1055 sub dump_declaration($$) {
1100     no strict 'refs';                            1056     no strict 'refs';
1101     my ($prototype, $file) = @_;                 1057     my ($prototype, $file) = @_;
1102     my $func = "dump_" . $decl_type;             1058     my $func = "dump_" . $decl_type;
1103     &$func(@_);                                  1059     &$func(@_);
1104 }                                                1060 }
1105                                                  1061 
1106 sub dump_union($$) {                             1062 sub dump_union($$) {
1107     dump_struct(@_);                             1063     dump_struct(@_);
1108 }                                                1064 }
1109                                                  1065 
1110 sub dump_struct($$) {                            1066 sub dump_struct($$) {
1111     my $x = shift;                               1067     my $x = shift;
1112     my $file = shift;                            1068     my $file = shift;
1113     my $decl_type;                            << 
1114     my $members;                              << 
1115     my $type = qr{struct|union};              << 
1116     # For capturing struct/union definition b << 
1117     my $qualifiers = qr{$attribute|__packed|_ << 
1118     my $definition_body = qr{\{(.*)\}\s*$qual << 
1119     my $struct_members = qr{($type)([^\{\};]+ << 
1120                                                  1069 
1121     if ($x =~ /($type)\s+(\w+)\s*$definition_ !! 1070     if ($x =~ /(struct|union)\s+(\w+)\s*\{(.*)\}(\s*(__packed|__aligned|____cacheline_aligned_in_smp|__attribute__\s*\(\([a-z0-9,_\s\(\)]*\)\)))*/) {
1122         $decl_type = $1;                      !! 1071         my $decl_type = $1;
1123         $declaration_name = $2;               !! 1072         $declaration_name = $2;
1124         $members = $3;                        !! 1073         my $members = $3;
1125     } elsif ($x =~ /typedef\s+($type)\s*$defi !! 1074 
1126         $decl_type = $1;                      !! 1075         # ignore members marked private:
1127         $declaration_name = $3;               !! 1076         $members =~ s/\/\*\s*private:.*?\/\*\s*public:.*?\*\///gosi;
1128         $members = $2;                        !! 1077         $members =~ s/\/\*\s*private:.*//gosi;
1129     }                                         !! 1078         # strip comments:
1130                                               !! 1079         $members =~ s/\/\*.*?\*\///gos;
1131     if ($members) {                           !! 1080         # strip attributes
1132         if ($identifier ne $declaration_name) !! 1081         $members =~ s/\s*__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)/ /gi;
1133             emit_warning("${file}:$.", "expec !! 1082         $members =~ s/\s*__aligned\s*\([^;]*\)/ /gos;
1134             return;                           !! 1083         $members =~ s/\s*__packed\s*/ /gos;
1135         }                                     !! 1084         $members =~ s/\s*CRYPTO_MINALIGN_ATTR/ /gos;
1136                                               !! 1085         $members =~ s/\s*____cacheline_aligned_in_smp/ /gos;
1137         # ignore members marked private:      !! 1086         # replace DECLARE_BITMAP
1138         $members =~ s/\/\*\s*private:.*?\/\*\ !! 1087         $members =~ s/DECLARE_BITMAP\s*\(([^,)]+),\s*([^,)]+)\)/unsigned long $1\[BITS_TO_LONGS($2)\]/gos;
1139         $members =~ s/\/\*\s*private:.*//gosi !! 1088         # replace DECLARE_HASHTABLE
1140         # strip comments:                     !! 1089         $members =~ s/DECLARE_HASHTABLE\s*\(([^,)]+),\s*([^,)]+)\)/unsigned long $1\[1 << (($2) - 1)\]/gos;
1141         $members =~ s/\/\*.*?\*\///gos;       !! 1090         # replace DECLARE_KFIFO
1142         # strip attributes                    !! 1091         $members =~ s/DECLARE_KFIFO\s*\(([^,)]+),\s*([^,)]+),\s*([^,)]+)\)/$2 \*$1/gos;
1143         $members =~ s/\s*$attribute/ /gi;     !! 1092         # replace DECLARE_KFIFO_PTR
1144         $members =~ s/\s*__aligned\s*\([^;]*\ !! 1093         $members =~ s/DECLARE_KFIFO_PTR\s*\(([^,)]+),\s*([^,)]+)\)/$2 \*$1/gos;
1145         $members =~ s/\s*__counted_by\s*\([^; !! 1094 
1146         $members =~ s/\s*__counted_by_(le|be) !! 1095         my $declaration = $members;
1147         $members =~ s/\s*__packed\s*/ /gos;   !! 1096 
1148         $members =~ s/\s*CRYPTO_MINALIGN_ATTR !! 1097         # Split nested struct/union elements as newer ones
1149         $members =~ s/\s*____cacheline_aligne !! 1098         while ($members =~ m/(struct|union)([^\{\};]+)\{([^\{\}]*)\}([^\{\}\;]*)\;/) {
1150         $members =~ s/\s*____cacheline_aligne !! 1099                 my $newmember;
1151         # unwrap struct_group():              !! 1100                 my $maintype = $1;
1152         # - first eat non-declaration paramet !! 1101                 my $ids = $4;
1153         # - then remove macro, outer parens,  !! 1102                 my $content = $3;
1154         $members =~ s/\bstruct_group\s*\(([^, !! 1103                 foreach my $id(split /,/, $ids) {
1155         $members =~ s/\bstruct_group_attr\s*\ !! 1104                         $newmember .= "$maintype $id; ";
1156         $members =~ s/\bstruct_group_tagged\s !! 1105 
1157         $members =~ s/\b__struct_group\s*\(([ !! 1106                         $id =~ s/[:\[].*//;
1158         $members =~ s/\bSTRUCT_GROUP(\(((?:(? !! 1107                         $id =~ s/^\s*\**(\S+)\s*/$1/;
1159                                               !! 1108                         foreach my $arg (split /;/, $content) {
1160         my $args = qr{([^,)]+)};              !! 1109                                 next if ($arg =~ m/^\s*$/);
1161         # replace DECLARE_BITMAP              !! 1110                                 if ($arg =~ m/^([^\(]+\(\*?\s*)([\w\.]*)(\s*\).*)/) {
1162         $members =~ s/__ETHTOOL_DECLARE_LINK_ !! 1111                                         # pointer-to-function
1163         $members =~ s/DECLARE_PHY_INTERFACE_M !! 1112                                         my $type = $1;
1164         $members =~ s/DECLARE_BITMAP\s*\($arg !! 1113                                         my $name = $2;
1165         # replace DECLARE_HASHTABLE           !! 1114                                         my $extra = $3;
1166         $members =~ s/DECLARE_HASHTABLE\s*\($ !! 1115                                         next if (!$name);
1167         # replace DECLARE_KFIFO               !! 1116                                         if ($id =~ m/^\s*$/) {
1168         $members =~ s/DECLARE_KFIFO\s*\($args !! 1117                                                 # anonymous struct/union
1169         # replace DECLARE_KFIFO_PTR           !! 1118                                                 $newmember .= "$type$name$extra; ";
1170         $members =~ s/DECLARE_KFIFO_PTR\s*\($ !! 1119                                         } else {
1171         # replace DECLARE_FLEX_ARRAY          !! 1120                                                 $newmember .= "$type$id.$name$extra; ";
1172         $members =~ s/(?:__)?DECLARE_FLEX_ARR !! 1121                                         }
1173         #replace DEFINE_DMA_UNMAP_ADDR        !! 1122                                 } else {
1174         $members =~ s/DEFINE_DMA_UNMAP_ADDR\s !! 1123                                         my $type;
1175         #replace DEFINE_DMA_UNMAP_LEN         !! 1124                                         my $names;
1176         $members =~ s/DEFINE_DMA_UNMAP_LEN\s* !! 1125                                         $arg =~ s/^\s+//;
1177         my $declaration = $members;           !! 1126                                         $arg =~ s/\s+$//;
1178                                               !! 1127                                         # Handle bitmaps
1179         # Split nested struct/union elements  !! 1128                                         $arg =~ s/:\s*\d+\s*//g;
1180         while ($members =~ m/$struct_members/ !! 1129                                         # Handle arrays
1181             my $newmember;                    !! 1130                                         $arg =~ s/\[.*\]//g;
1182             my $maintype = $1;                !! 1131                                         # The type may have multiple words,
1183             my $ids = $4;                     !! 1132                                         # and multiple IDs can be defined, like:
1184             my $content = $3;                 !! 1133                                         #       const struct foo, *bar, foobar
1185             foreach my $id(split /,/, $ids) { !! 1134                                         # So, we remove spaces when parsing the
1186                 $newmember .= "$maintype $id; !! 1135                                         # names, in order to match just names
1187                                               !! 1136                                         # and commas for the names
1188                 $id =~ s/[:\[].*//;           !! 1137                                         $arg =~ s/\s*,\s*/,/g;
1189                 $id =~ s/^\s*\**(\S+)\s*/$1/; !! 1138                                         if ($arg =~ m/(.*)\s+([\S+,]+)/) {
1190                 foreach my $arg (split /;/, $ !! 1139                                                 $type = $1;
1191                     next if ($arg =~ m/^\s*$/ !! 1140                                                 $names = $2;
1192                     if ($arg =~ m/^([^\(]+\(\ !! 1141                                         } else {
1193                         # pointer-to-function !! 1142                                                 $newmember .= "$arg; ";
1194                         my $type = $1;        !! 1143                                                 next;
1195                         my $name = $2;        !! 1144                                         }
1196                         my $extra = $3;       !! 1145                                         foreach my $name (split /,/, $names) {
1197                         next if (!$name);     !! 1146                                                 $name =~ s/^\s*\**(\S+)\s*/$1/;
1198                         if ($id =~ m/^\s*$/)  !! 1147                                                 next if (($name =~ m/^\s*$/));
1199                             # anonymous struc !! 1148                                                 if ($id =~ m/^\s*$/) {
1200                             $newmember .= "$t !! 1149                                                         # anonymous struct/union
1201                         } else {              !! 1150                                                         $newmember .= "$type $name; ";
1202                             $newmember .= "$t !! 1151                                                 } else {
1203                         }                     !! 1152                                                         $newmember .= "$type $id.$name; ";
1204                     } else {                  !! 1153                                                 }
1205                         my $type;             !! 1154                                         }
1206                         my $names;            !! 1155                                 }
1207                         $arg =~ s/^\s+//;     !! 1156                         }
1208                         $arg =~ s/\s+$//;     !! 1157                 }
1209                         # Handle bitmaps      !! 1158                 $members =~ s/(struct|union)([^\{\};]+)\{([^\{\}]*)\}([^\{\}\;]*)\;/$newmember/;
1210                         $arg =~ s/:\s*\d+\s*/ !! 1159         }
1211                         # Handle arrays       !! 1160 
1212                         $arg =~ s/\[.*\]//g;  !! 1161         # Ignore other nested elements, like enums
1213                         # The type may have m !! 1162         $members =~ s/(\{[^\{\}]*\})//g;
1214                         # and multiple IDs ca !! 1163 
1215                         #    const struct foo !! 1164         create_parameterlist($members, ';', $file, $declaration_name);
1216                         # So, we remove space !! 1165         check_sections($file, $declaration_name, $decl_type, $sectcheck, $struct_actual);
1217                         # names, in order to  !! 1166 
1218                         # and commas for the  !! 1167         # Adjust declaration for better display
1219                         $arg =~ s/\s*,\s*/,/g !! 1168         $declaration =~ s/([\{;])/$1\n/g;
1220                         if ($arg =~ m/(.*)\s+ !! 1169         $declaration =~ s/\}\s+;/};/g;
1221                             $type = $1;       !! 1170         # Better handle inlined enums
1222                             $names = $2;      !! 1171         do {} while ($declaration =~ s/(enum\s+\{[^\}]+),([^\n])/$1,\n$2/);
1223                         } else {              !! 1172 
1224                             $newmember .= "$a !! 1173         my @def_args = split /\n/, $declaration;
1225                             next;             !! 1174         my $level = 1;
1226                         }                     !! 1175         $declaration = "";
1227                         foreach my $name (spl !! 1176         foreach my $clause (@def_args) {
1228                             $name =~ s/^\s*\* !! 1177                 $clause =~ s/^\s+//;
1229                             next if (($name = !! 1178                 $clause =~ s/\s+$//;
1230                             if ($id =~ m/^\s* !! 1179                 $clause =~ s/\s+/ /;
1231                                 # anonymous s !! 1180                 next if (!$clause);
1232                                 $newmember .= !! 1181                 $level-- if ($clause =~ m/(\})/ && $level > 1);
1233                             } else {          !! 1182                 if (!($clause =~ m/^\s*#/)) {
1234                                 $newmember .= !! 1183                         $declaration .= "\t" x $level;
1235                             }                 !! 1184                 }
1236                         }                     !! 1185                 $declaration .= "\t" . $clause . "\n";
1237                     }                         !! 1186                 $level++ if ($clause =~ m/(\{)/ && !($clause =~m/\}/));
1238                 }                             !! 1187         }
1239             }                                 !! 1188         output_declaration($declaration_name,
1240             $members =~ s/$struct_members/$ne !! 1189                            'struct',
1241         }                                     !! 1190                            {'struct' => $declaration_name,
1242                                               !! 1191                             'module' => $modulename,
1243         # Ignore other nested elements, like  !! 1192                             'definition' => $declaration,
1244         $members =~ s/(\{[^\{\}]*\})//g;      !! 1193                             'parameterlist' => \@parameterlist,
1245                                               !! 1194                             'parameterdescs' => \%parameterdescs,
1246         create_parameterlist($members, ';', $ !! 1195                             'parametertypes' => \%parametertypes,
1247         check_sections($file, $declaration_na !! 1196                             'sectionlist' => \@sectionlist,
1248                                               !! 1197                             'sections' => \%sections,
1249         # Adjust declaration for better displ !! 1198                             'purpose' => $declaration_purpose,
1250         $declaration =~ s/([\{;])/$1\n/g;     !! 1199                             'type' => $decl_type
1251         $declaration =~ s/\}\s+;/};/g;        !! 1200                            });
1252         # Better handle inlined enums         !! 1201     }
1253         do {} while ($declaration =~ s/(enum\ !! 1202     else {
1254                                               !! 1203         print STDERR "${file}:$.: error: Cannot parse struct or union!\n";
1255         my @def_args = split /\n/, $declarati !! 1204         ++$errors;
1256         my $level = 1;                        << 
1257         $declaration = "";                    << 
1258         foreach my $clause (@def_args) {      << 
1259             $clause =~ s/^\s+//;              << 
1260             $clause =~ s/\s+$//;              << 
1261             $clause =~ s/\s+/ /;              << 
1262             next if (!$clause);               << 
1263             $level-- if ($clause =~ m/(\})/ & << 
1264             if (!($clause =~ m/^\s*#/)) {     << 
1265                 $declaration .= "\t" x $level << 
1266             }                                 << 
1267             $declaration .= "\t" . $clause .  << 
1268             $level++ if ($clause =~ m/(\{)/ & << 
1269         }                                     << 
1270         output_declaration($declaration_name, << 
1271                    'struct',                  << 
1272                    {'struct' => $declaration_ << 
1273                     'module' => $modulename,  << 
1274                     'definition' => $declarat << 
1275                     'parameterlist' => \@para << 
1276                     'parameterdescs' => \%par << 
1277                     'parametertypes' => \%par << 
1278                     'sectionlist' => \@sectio << 
1279                     'sections' => \%sections, << 
1280                     'purpose' => $declaration << 
1281                     'type' => $decl_type      << 
1282                    });                        << 
1283     } else {                                  << 
1284         print STDERR "${file}:$.: error: Cann << 
1285         ++$errors;                            << 
1286     }                                            1205     }
1287 }                                                1206 }
1288                                                  1207 
1289                                                  1208 
1290 sub show_warnings($$) {                          1209 sub show_warnings($$) {
1291     my $functype = shift;                     !! 1210         my $functype = shift;
1292     my $name = shift;                         !! 1211         my $name = shift;
1293                                               << 
1294     return 0 if (defined($nosymbol_table{$nam << 
1295                                                  1212 
1296     return 1 if ($output_selection == OUTPUT_ !! 1213         return 1 if ($output_selection == OUTPUT_ALL);
1297                                                  1214 
1298     if ($output_selection == OUTPUT_EXPORTED) !! 1215         if ($output_selection == OUTPUT_EXPORTED) {
1299         if (defined($function_table{$name}))  !! 1216                 if (defined($function_table{$name})) {
1300             return 1;                         !! 1217                         return 1;
1301         } else {                              !! 1218                 } else {
1302             return 0;                         !! 1219                         return 0;
1303         }                                     !! 1220                 }
1304     }                                         !! 1221         }
1305     if ($output_selection == OUTPUT_INTERNAL) !! 1222         if ($output_selection == OUTPUT_INTERNAL) {
1306         if (!($functype eq "function" && defi !! 1223                 if (!($functype eq "function" && defined($function_table{$name}))) {
1307             return 1;                         !! 1224                         return 1;
1308         } else {                              !! 1225                 } else {
1309             return 0;                         !! 1226                         return 0;
1310         }                                     !! 1227                 }
1311     }                                         !! 1228         }
1312     if ($output_selection == OUTPUT_INCLUDE)  !! 1229         if ($output_selection == OUTPUT_INCLUDE) {
1313         if (defined($function_table{$name}))  !! 1230                 if (defined($function_table{$name})) {
1314             return 1;                         !! 1231                         return 1;
1315         } else {                              !! 1232                 } else {
1316             return 0;                         !! 1233                         return 0;
1317         }                                     !! 1234                 }
1318     }                                         !! 1235         }
1319     die("Please add the new output type at sh !! 1236         if ($output_selection == OUTPUT_EXCLUDE) {
                                                   >> 1237                 if (!defined($function_table{$name})) {
                                                   >> 1238                         return 1;
                                                   >> 1239                 } else {
                                                   >> 1240                         return 0;
                                                   >> 1241                 }
                                                   >> 1242         }
                                                   >> 1243         die("Please add the new output type at show_warnings()");
1320 }                                                1244 }
1321                                                  1245 
1322 sub dump_enum($$) {                              1246 sub dump_enum($$) {
1323     my $x = shift;                               1247     my $x = shift;
1324     my $file = shift;                            1248     my $file = shift;
1325     my $members;                              << 
1326                                               << 
1327     # ignore members marked private:          << 
1328     $x =~ s/\/\*\s*private:.*?\/\*\s*public:. << 
1329     $x =~ s/\/\*\s*private:.*}/}/gosi;        << 
1330                                                  1249 
1331     $x =~ s@/\*.*?\*/@@gos;     # strip comme    1250     $x =~ s@/\*.*?\*/@@gos;     # strip comments.
1332     # strip #define macros inside enums          1251     # strip #define macros inside enums
1333     $x =~ s@#\s*((define|ifdef|if)\s+|endif)[ !! 1252     $x =~ s@#\s*((define|ifdef)\s+|endif)[^;]*;@@gos;
1334                                                  1253 
1335     if ($x =~ /typedef\s+enum\s*\{(.*)\}\s*(\ !! 1254     if ($x =~ /enum\s+(\w*)\s*\{(.*)\}/) {
1336         $declaration_name = $2;               !! 1255         $declaration_name = $1;
1337         $members = $1;                        !! 1256         my $members = $2;
1338     } elsif ($x =~ /enum\s+(\w*)\s*\{(.*)\}/) !! 1257         my %_members;
1339         $declaration_name = $1;               !! 1258 
1340         $members = $2;                        !! 1259         $members =~ s/\s+$//;
1341     }                                         !! 1260 
1342                                               !! 1261         foreach my $arg (split ',', $members) {
1343     if ($members) {                           !! 1262             $arg =~ s/^\s*(\w+).*/$1/;
1344         if ($identifier ne $declaration_name) !! 1263             push @parameterlist, $arg;
1345             if ($identifier eq "") {          !! 1264             if (!$parameterdescs{$arg}) {
1346                 emit_warning("${file}:$.", "w !! 1265                 $parameterdescs{$arg} = $undescribed;
1347             } else {                          !! 1266                 if (show_warnings("enum", $declaration_name)) {
1348                 emit_warning("${file}:$.", "e !! 1267                         print STDERR "${file}:$.: warning: Enum value '$arg' not described in enum '$declaration_name'\n";
1349             }                                 !! 1268                 }
1350             return;                           !! 1269             }
1351         }                                     !! 1270             $_members{$arg} = 1;
1352         $declaration_name = "(anonymous)" if  !! 1271         }
1353                                               !! 1272 
1354         my %_members;                         !! 1273         while (my ($k, $v) = each %parameterdescs) {
1355                                               !! 1274             if (!exists($_members{$k})) {
1356         $members =~ s/\s+$//;                 !! 1275                 if (show_warnings("enum", $declaration_name)) {
1357         $members =~ s/\([^;]*?[\)]//g;        !! 1276                      print STDERR "${file}:$.: warning: Excess enum value '$k' description in '$declaration_name'\n";
1358                                               !! 1277                 }
1359         foreach my $arg (split ',', $members) !! 1278             }
1360             $arg =~ s/^\s*(\w+).*/$1/;        !! 1279         }
1361             push @parameterlist, $arg;        !! 1280 
1362             if (!$parameterdescs{$arg}) {     !! 1281         output_declaration($declaration_name,
1363                 $parameterdescs{$arg} = $unde !! 1282                            'enum',
1364                 if (show_warnings("enum", $de !! 1283                            {'enum' => $declaration_name,
1365                     emit_warning("${file}:$." !! 1284                             'module' => $modulename,
1366                 }                             !! 1285                             'parameterlist' => \@parameterlist,
1367             }                                 !! 1286                             'parameterdescs' => \%parameterdescs,
1368             $_members{$arg} = 1;              !! 1287                             'sectionlist' => \@sectionlist,
1369         }                                     !! 1288                             'sections' => \%sections,
1370                                               !! 1289                             'purpose' => $declaration_purpose
1371         while (my ($k, $v) = each %parameterd !! 1290                            });
1372             if (!exists($_members{$k})) {     !! 1291     }
1373                 if (show_warnings("enum", $de !! 1292     else {
1374                     emit_warning("${file}:$." !! 1293         print STDERR "${file}:$.: error: Cannot parse enum!\n";
1375                 }                             !! 1294         ++$errors;
1376             }                                 << 
1377         }                                     << 
1378                                               << 
1379         output_declaration($declaration_name, << 
1380                            'enum',            << 
1381                            {'enum' => $declar << 
1382                             'module' => $modu << 
1383                             'parameterlist' = << 
1384                             'parameterdescs'  << 
1385                             'sectionlist' =>  << 
1386                             'sections' => \%s << 
1387                             'purpose' => $dec << 
1388                            });                << 
1389     } else {                                  << 
1390         print STDERR "${file}:$.: error: Cann << 
1391         ++$errors;                            << 
1392     }                                            1295     }
1393 }                                                1296 }
1394                                                  1297 
1395 my $typedef_type = qr { ((?:\s+[\w\*]+\b){1,8 << 
1396 my $typedef_ident = qr { \*?\s*(\w\S+)\s* }x; << 
1397 my $typedef_args = qr { \s*\((.*)\); }x;      << 
1398                                               << 
1399 my $typedef1 = qr { typedef$typedef_type\($ty << 
1400 my $typedef2 = qr { typedef$typedef_type$type << 
1401                                               << 
1402 sub dump_typedef($$) {                           1298 sub dump_typedef($$) {
1403     my $x = shift;                               1299     my $x = shift;
1404     my $file = shift;                            1300     my $file = shift;
1405                                                  1301 
1406     $x =~ s@/\*.*?\*/@@gos;     # strip comme    1302     $x =~ s@/\*.*?\*/@@gos;     # strip comments.
1407                                                  1303 
1408     # Parse function typedef prototypes       !! 1304     # Parse function prototypes
1409     if ($x =~ $typedef1 || $x =~ $typedef2) { !! 1305     if ($x =~ /typedef\s+(\w+)\s*\(\*\s*(\w\S+)\s*\)\s*\((.*)\);/ ||
1410         $return_type = $1;                    !! 1306         $x =~ /typedef\s+(\w+)\s*(\w\S+)\s*\s*\((.*)\);/) {
1411         $declaration_name = $2;               !! 1307 
1412         my $args = $3;                        !! 1308         # Function typedefs
1413         $return_type =~ s/^\s+//;             !! 1309         $return_type = $1;
1414                                               !! 1310         $declaration_name = $2;
1415         if ($identifier ne $declaration_name) !! 1311         my $args = $3;
1416             emit_warning("${file}:$.", "expec !! 1312 
1417             return;                           !! 1313         create_parameterlist($args, ',', $file, $declaration_name);
1418         }                                     !! 1314 
1419                                               !! 1315         output_declaration($declaration_name,
1420         create_parameterlist($args, ',', $fil !! 1316                            'function',
1421                                               !! 1317                            {'function' => $declaration_name,
1422         output_declaration($declaration_name, !! 1318                             'typedef' => 1,
1423                            'function',        !! 1319                             'module' => $modulename,
1424                            {'function' => $de !! 1320                             'functiontype' => $return_type,
1425                             'typedef' => 1,   !! 1321                             'parameterlist' => \@parameterlist,
1426                             'module' => $modu !! 1322                             'parameterdescs' => \%parameterdescs,
1427                             'functiontype' => !! 1323                             'parametertypes' => \%parametertypes,
1428                             'parameterlist' = !! 1324                             'sectionlist' => \@sectionlist,
1429                             'parameterdescs'  !! 1325                             'sections' => \%sections,
1430                             'parametertypes'  !! 1326                             'purpose' => $declaration_purpose
1431                             'sectionlist' =>  !! 1327                            });
1432                             'sections' => \%s !! 1328         return;
1433                             'purpose' => $dec << 
1434                            });                << 
1435         return;                               << 
1436     }                                            1329     }
1437                                                  1330 
1438     while (($x =~ /\(*.\)\s*;$/) || ($x =~ /\    1331     while (($x =~ /\(*.\)\s*;$/) || ($x =~ /\[*.\]\s*;$/)) {
1439         $x =~ s/\(*.\)\s*;$/;/;               !! 1332         $x =~ s/\(*.\)\s*;$/;/;
1440         $x =~ s/\[*.\]\s*;$/;/;               !! 1333         $x =~ s/\[*.\]\s*;$/;/;
1441     }                                            1334     }
1442                                                  1335 
1443     if ($x =~ /typedef.*\s+(\w+)\s*;/) {         1336     if ($x =~ /typedef.*\s+(\w+)\s*;/) {
1444         $declaration_name = $1;               !! 1337         $declaration_name = $1;
1445                                               << 
1446         if ($identifier ne $declaration_name) << 
1447             emit_warning("${file}:$.", "expec << 
1448             return;                           << 
1449         }                                     << 
1450                                                  1338 
1451         output_declaration($declaration_name, !! 1339         output_declaration($declaration_name,
1452                            'typedef',         !! 1340                            'typedef',
1453                            {'typedef' => $dec !! 1341                            {'typedef' => $declaration_name,
1454                             'module' => $modu !! 1342                             'module' => $modulename,
1455                             'sectionlist' =>  !! 1343                             'sectionlist' => \@sectionlist,
1456                             'sections' => \%s !! 1344                             'sections' => \%sections,
1457                             'purpose' => $dec !! 1345                             'purpose' => $declaration_purpose
1458                            });                !! 1346                            });
1459     } else {                                  !! 1347     }
1460         print STDERR "${file}:$.: error: Cann !! 1348     else {
1461         ++$errors;                            !! 1349         print STDERR "${file}:$.: error: Cannot parse typedef!\n";
                                                   >> 1350         ++$errors;
1462     }                                            1351     }
1463 }                                                1352 }
1464                                                  1353 
1465 sub save_struct_actual($) {                      1354 sub save_struct_actual($) {
1466     my $actual = shift;                          1355     my $actual = shift;
1467                                                  1356 
1468     # strip all spaces from the actual param     1357     # strip all spaces from the actual param so that it looks like one string item
1469     $actual =~ s/\s*//g;                         1358     $actual =~ s/\s*//g;
1470     $struct_actual = $struct_actual . $actual    1359     $struct_actual = $struct_actual . $actual . " ";
1471 }                                                1360 }
1472                                                  1361 
1473 sub create_parameterlist($$$$) {                 1362 sub create_parameterlist($$$$) {
1474     my $args = shift;                            1363     my $args = shift;
1475     my $splitter = shift;                        1364     my $splitter = shift;
1476     my $file = shift;                            1365     my $file = shift;
1477     my $declaration_name = shift;                1366     my $declaration_name = shift;
1478     my $type;                                    1367     my $type;
1479     my $param;                                   1368     my $param;
1480                                                  1369 
1481     # temporarily replace commas inside funct    1370     # temporarily replace commas inside function pointer definition
1482     my $arg_expr = qr{\([^\),]+};             !! 1371     while ($args =~ /(\([^\),]+),/) {
1483     while ($args =~ /$arg_expr,/) {           !! 1372         $args =~ s/(\([^\),]+),/$1#/g;
1484         $args =~ s/($arg_expr),/$1#/g;        << 
1485     }                                            1373     }
1486                                                  1374 
1487     foreach my $arg (split($splitter, $args))    1375     foreach my $arg (split($splitter, $args)) {
1488         # strip comments                      !! 1376         # strip comments
1489         $arg =~ s/\/\*.*\*\///;               !! 1377         $arg =~ s/\/\*.*\*\///;
1490         # ignore argument attributes          !! 1378         # strip leading/trailing spaces
1491         $arg =~ s/\sPOS0?\s/ /;               !! 1379         $arg =~ s/^\s*//;
1492         # strip leading/trailing spaces       !! 1380         $arg =~ s/\s*$//;
1493         $arg =~ s/^\s*//;                     !! 1381         $arg =~ s/\s+/ /;
1494         $arg =~ s/\s*$//;                     !! 1382 
1495         $arg =~ s/\s+/ /;                     !! 1383         if ($arg =~ /^#/) {
1496                                               !! 1384             # Treat preprocessor directive as a typeless variable just to fill
1497         if ($arg =~ /^#/) {                   !! 1385             # corresponding data structures "correctly". Catch it later in
1498             # Treat preprocessor directive as !! 1386             # output_* subs.
1499             # corresponding data structures " !! 1387             push_parameter($arg, "", $file);
1500             # output_* subs.                  !! 1388         } elsif ($arg =~ m/\(.+\)\s*\(/) {
1501             push_parameter($arg, "", "", $fil !! 1389             # pointer-to-function
1502         } elsif ($arg =~ m/\(.+\)\s*\(/) {    !! 1390             $arg =~ tr/#/,/;
1503             # pointer-to-function             !! 1391             $arg =~ m/[^\(]+\(\*?\s*([\w\.]*)\s*\)/;
1504             $arg =~ tr/#/,/;                  !! 1392             $param = $1;
1505             $arg =~ m/[^\(]+\(\*?\s*([\w\[\]\ !! 1393             $type = $arg;
1506             $param = $1;                      !! 1394             $type =~ s/([^\(]+\(\*?)\s*$param/$1/;
1507             $type = $arg;                     !! 1395             save_struct_actual($param);
1508             $type =~ s/([^\(]+\(\*?)\s*$param !! 1396             push_parameter($param, $type, $file, $declaration_name);
1509             save_struct_actual($param);       !! 1397         } elsif ($arg) {
1510             push_parameter($param, $type, $ar !! 1398             $arg =~ s/\s*:\s*/:/g;
1511         } elsif ($arg =~ m/\(.+\)\s*\[/) {    !! 1399             $arg =~ s/\s*\[/\[/g;
1512             # array-of-pointers               !! 1400 
1513             $arg =~ tr/#/,/;                  !! 1401             my @args = split('\s*,\s*', $arg);
1514             $arg =~ m/[^\(]+\(\s*\*\s*([\w\[\ !! 1402             if ($args[0] =~ m/\*/) {
1515             $param = $1;                      !! 1403                 $args[0] =~ s/(\*+)\s*/ $1/;
1516             $type = $arg;                     !! 1404             }
1517             $type =~ s/([^\(]+\(\*?)\s*$param !! 1405 
1518             save_struct_actual($param);       !! 1406             my @first_arg;
1519             push_parameter($param, $type, $ar !! 1407             if ($args[0] =~ /^(.*\s+)(.*?\[.*\].*)$/) {
1520         } elsif ($arg) {                      !! 1408                     shift @args;
1521             $arg =~ s/\s*:\s*/:/g;            !! 1409                     push(@first_arg, split('\s+', $1));
1522             $arg =~ s/\s*\[/\[/g;             !! 1410                     push(@first_arg, $2);
1523                                               !! 1411             } else {
1524             my @args = split('\s*,\s*', $arg) !! 1412                     @first_arg = split('\s+', shift @args);
1525             if ($args[0] =~ m/\*/) {          !! 1413             }
1526                 $args[0] =~ s/(\*+)\s*/ $1/;  !! 1414 
1527             }                                 !! 1415             unshift(@args, pop @first_arg);
1528                                               !! 1416             $type = join " ", @first_arg;
1529             my @first_arg;                    !! 1417 
1530             if ($args[0] =~ /^(.*\s+)(.*?\[.* !! 1418             foreach $param (@args) {
1531                 shift @args;                  !! 1419                 if ($param =~ m/^(\*+)\s*(.*)/) {
1532                 push(@first_arg, split('\s+', !! 1420                     save_struct_actual($2);
1533                 push(@first_arg, $2);         !! 1421                     push_parameter($2, "$type $1", $file, $declaration_name);
1534             } else {                          !! 1422                 }
1535                 @first_arg = split('\s+', shi !! 1423                 elsif ($param =~ m/(.*?):(\d+)/) {
1536             }                                 !! 1424                     if ($type ne "") { # skip unnamed bit-fields
1537                                               !! 1425                         save_struct_actual($1);
1538             unshift(@args, pop @first_arg);   !! 1426                         push_parameter($1, "$type:$2", $file, $declaration_name)
1539             $type = join " ", @first_arg;     !! 1427                     }
1540                                               !! 1428                 }
1541             foreach $param (@args) {          !! 1429                 else {
1542                 if ($param =~ m/^(\*+)\s*(.*) !! 1430                     save_struct_actual($param);
1543                     save_struct_actual($2);   !! 1431                     push_parameter($param, $type, $file, $declaration_name);
1544                                               !! 1432                 }
1545                     push_parameter($2, "$type !! 1433             }
1546                 } elsif ($param =~ m/(.*?):(\ !! 1434         }
1547                     if ($type ne "") { # skip !! 1435     }
1548                         save_struct_actual($1 !! 1436 }
1549                         push_parameter($1, "$ !! 1437 
1550                     }                         !! 1438 sub push_parameter($$$$) {
1551                 } else {                      !! 1439         my $param = shift;
1552                     save_struct_actual($param !! 1440         my $type = shift;
1553                     push_parameter($param, $t !! 1441         my $file = shift;
1554                 }                             !! 1442         my $declaration_name = shift;
1555             }                                 !! 1443 
1556         }                                     !! 1444         if (($anon_struct_union == 1) && ($type eq "") &&
1557     }                                         !! 1445             ($param eq "}")) {
1558 }                                             !! 1446                 return;         # ignore the ending }; from anon. struct/union
1559                                               !! 1447         }
1560 sub push_parameter($$$$$) {                   !! 1448 
1561     my $param = shift;                        !! 1449         $anon_struct_union = 0;
1562     my $type = shift;                         !! 1450         $param =~ s/[\[\)].*//;
1563     my $org_arg = shift;                      !! 1451 
1564     my $file = shift;                         !! 1452         if ($type eq "" && $param =~ /\.\.\.$/)
1565     my $declaration_name = shift;             !! 1453         {
1566                                               !! 1454             if (!$param =~ /\w\.\.\.$/) {
1567     if (($anon_struct_union == 1) && ($type e !! 1455               # handles unnamed variable parameters
1568         ($param eq "}")) {                    !! 1456               $param = "...";
1569         return;        # ignore the ending }; !! 1457             }
1570     }                                         !! 1458             elsif ($param =~ /\w\.\.\.$/) {
1571                                               !! 1459               # for named variable parameters of the form `x...`, remove the dots
1572     $anon_struct_union = 0;                   !! 1460               $param =~ s/\.\.\.$//;
1573     $param =~ s/[\[\)].*//;                   !! 1461             }
1574                                               !! 1462             if (!defined $parameterdescs{$param} || $parameterdescs{$param} eq "") {
1575     if ($type eq "" && $param =~ /\.\.\.$/)   !! 1463                 $parameterdescs{$param} = "variable arguments";
1576     {                                         !! 1464             }
1577         if (!$param =~ /\w\.\.\.$/) {         !! 1465         }
1578             # handles unnamed variable parame !! 1466         elsif ($type eq "" && ($param eq "" or $param eq "void"))
1579             $param = "...";                   !! 1467         {
1580         } elsif ($param =~ /\w\.\.\.$/) {     !! 1468             $param="void";
1581             # for named variable parameters o !! 1469             $parameterdescs{void} = "no arguments";
1582             $param =~ s/\.\.\.$//;            !! 1470         }
1583         }                                     !! 1471         elsif ($type eq "" && ($param eq "struct" or $param eq "union"))
1584         if (!defined $parameterdescs{$param}  !! 1472         # handle unnamed (anonymous) union or struct:
1585             $parameterdescs{$param} = "variab !! 1473         {
1586         }                                     !! 1474                 $type = $param;
1587     }                                         !! 1475                 $param = "{unnamed_" . $param . "}";
1588     elsif ($type eq "" && ($param eq "" or $p !! 1476                 $parameterdescs{$param} = "anonymous\n";
1589     {                                         !! 1477                 $anon_struct_union = 1;
1590         $param="void";                        !! 1478         }
1591         $parameterdescs{void} = "no arguments !! 1479 
1592     }                                         !! 1480         # warn if parameter has no description
1593     elsif ($type eq "" && ($param eq "struct" !! 1481         # (but ignore ones starting with # as these are not parameters
1594     # handle unnamed (anonymous) union or str !! 1482         # but inline preprocessor statements);
1595     {                                         !! 1483         # Note: It will also ignore void params and unnamed structs/unions
1596         $type = $param;                       !! 1484         if (!defined $parameterdescs{$param} && $param !~ /^#/) {
1597         $param = "{unnamed_" . $param . "}";  !! 1485                 $parameterdescs{$param} = $undescribed;
1598         $parameterdescs{$param} = "anonymous\ !! 1486 
1599         $anon_struct_union = 1;               !! 1487                 if (show_warnings($type, $declaration_name) && $param !~ /\./) {
1600     }                                         !! 1488                         print STDERR
1601     elsif ($param =~ "__cacheline_group" )    !! 1489                               "${file}:$.: warning: Function parameter or member '$param' not described in '$declaration_name'\n";
1602     # handle cache group enforcing variables: !! 1490                         ++$warnings;
1603     {                                         !! 1491                 }
1604         return; # ignore __cacheline_group_be !! 1492         }
1605     }                                         !! 1493 
1606                                               !! 1494         # strip spaces from $param so that it is one continuous string
1607     # warn if parameter has no description    !! 1495         # on @parameterlist;
1608     # (but ignore ones starting with # as the !! 1496         # this fixes a problem where check_sections() cannot find
1609     # but inline preprocessor statements);    !! 1497         # a parameter like "addr[6 + 2]" because it actually appears
1610     # Note: It will also ignore void params a !! 1498         # as "addr[6", "+", "2]" on the parameter list;
1611     if (!defined $parameterdescs{$param} && $ !! 1499         # but it's better to maintain the param string unchanged for output,
1612         $parameterdescs{$param} = $undescribe !! 1500         # so just weaken the string compare in check_sections() to ignore
1613                                               !! 1501         # "[blah" in a parameter string;
1614         if (show_warnings($type, $declaration !! 1502         ###$param =~ s/\s*//g;
1615             emit_warning("${file}:$.", "Funct !! 1503         push @parameterlist, $param;
1616         }                                     !! 1504         $type =~ s/\s\s+/ /g;
1617     }                                         !! 1505         $parametertypes{$param} = $type;
1618                                               << 
1619     # strip spaces from $param so that it is  << 
1620     # on @parameterlist;                      << 
1621     # this fixes a problem where check_sectio << 
1622     # a parameter like "addr[6 + 2]" because  << 
1623     # as "addr[6", "+", "2]" on the parameter << 
1624     # but it's better to maintain the param s << 
1625     # so just weaken the string compare in ch << 
1626     # "[blah" in a parameter string;          << 
1627     ###$param =~ s/\s*//g;                    << 
1628     push @parameterlist, $param;              << 
1629     $org_arg =~ s/\s\s+/ /g;                  << 
1630     $parametertypes{$param} = $org_arg;       << 
1631 }                                                1506 }
1632                                                  1507 
1633 sub check_sections($$$$$) {                      1508 sub check_sections($$$$$) {
1634     my ($file, $decl_name, $decl_type, $sectc !! 1509         my ($file, $decl_name, $decl_type, $sectcheck, $prmscheck) = @_;
1635     my @sects = split ' ', $sectcheck;        !! 1510         my @sects = split ' ', $sectcheck;
1636     my @prms = split ' ', $prmscheck;         !! 1511         my @prms = split ' ', $prmscheck;
1637     my $err;                                  !! 1512         my $err;
1638     my ($px, $sx);                            !! 1513         my ($px, $sx);
1639     my $prm_clean;        # strip trailing "[ !! 1514         my $prm_clean;          # strip trailing "[array size]" and/or beginning "*"
1640                                               !! 1515 
1641     foreach $sx (0 .. $#sects) {              !! 1516         foreach $sx (0 .. $#sects) {
1642         $err = 1;                             !! 1517                 $err = 1;
1643         foreach $px (0 .. $#prms) {           !! 1518                 foreach $px (0 .. $#prms) {
1644             $prm_clean = $prms[$px];          !! 1519                         $prm_clean = $prms[$px];
1645             $prm_clean =~ s/\[.*\]//;         !! 1520                         $prm_clean =~ s/\[.*\]//;
1646             $prm_clean =~ s/$attribute//i;    !! 1521                         $prm_clean =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//i;
1647             # ignore array size in a paramete !! 1522                         # ignore array size in a parameter string;
1648             # however, the original param str !! 1523                         # however, the original param string may contain
1649             # spaces, e.g.:  addr[6 + 2]      !! 1524                         # spaces, e.g.:  addr[6 + 2]
1650             # and this appears in @prms as "a !! 1525                         # and this appears in @prms as "addr[6" since the
1651             # parameter list is split at spac !! 1526                         # parameter list is split at spaces;
1652             # hence just ignore "[..." for th !! 1527                         # hence just ignore "[..." for the sections check;
1653             $prm_clean =~ s/\[.*//;           !! 1528                         $prm_clean =~ s/\[.*//;
1654                                               !! 1529 
1655             ##$prm_clean =~ s/^\**//;         !! 1530                         ##$prm_clean =~ s/^\**//;
1656             if ($prm_clean eq $sects[$sx]) {  !! 1531                         if ($prm_clean eq $sects[$sx]) {
1657                 $err = 0;                     !! 1532                                 $err = 0;
1658                 last;                         !! 1533                                 last;
1659             }                                 !! 1534                         }
1660         }                                     !! 1535                 }
1661         if ($err) {                           !! 1536                 if ($err) {
1662             if ($decl_type eq "function") {   !! 1537                         if ($decl_type eq "function") {
1663                 emit_warning("${file}:$.",    !! 1538                                 print STDERR "${file}:$.: warning: " .
1664                     "Excess function paramete !! 1539                                         "Excess function parameter " .
1665                     "'$sects[$sx]' " .        !! 1540                                         "'$sects[$sx]' " .
1666                     "description in '$decl_na !! 1541                                         "description in '$decl_name'\n";
1667             } elsif (($decl_type eq "struct") !! 1542                                 ++$warnings;
1668                           ($decl_type eq "uni !! 1543                         }
1669                 emit_warning("${file}:$.",    !! 1544                 }
1670                     "Excess $decl_type member !! 1545         }
1671                     "'$sects[$sx]' " .        << 
1672                     "description in '$decl_na << 
1673             }                                 << 
1674         }                                     << 
1675     }                                         << 
1676 }                                                1546 }
1677                                                  1547 
1678 ##                                               1548 ##
1679 # Checks the section describing the return va    1549 # Checks the section describing the return value of a function.
1680 sub check_return_section {                       1550 sub check_return_section {
1681     my $file = shift;                         !! 1551         my $file = shift;
1682     my $declaration_name = shift;             !! 1552         my $declaration_name = shift;
1683     my $return_type = shift;                  !! 1553         my $return_type = shift;
1684                                               !! 1554 
1685     # Ignore an empty return type (It's a mac !! 1555         # Ignore an empty return type (It's a macro)
1686     # Ignore functions with a "void" return t !! 1556         # Ignore functions with a "void" return type. (But don't ignore "void *")
1687     if (($return_type eq "") || ($return_type !! 1557         if (($return_type eq "") || ($return_type =~ /void\s*\w*\s*$/)) {
1688         return;                               !! 1558                 return;
1689     }                                         !! 1559         }
1690                                               !! 1560 
1691     if (!defined($sections{$section_return})  !! 1561         if (!defined($sections{$section_return}) ||
1692         $sections{$section_return} eq "")     !! 1562             $sections{$section_return} eq "") {
1693     {                                         !! 1563                 print STDERR "${file}:$.: warning: " .
1694         emit_warning("${file}:$.",            !! 1564                         "No description found for return value of " .
1695                      "No description found fo !! 1565                         "'$declaration_name'\n";
1696                      "'$declaration_name'\n") !! 1566                 ++$warnings;
1697     }                                         !! 1567         }
1698 }                                                1568 }
1699                                                  1569 
1700 ##                                               1570 ##
1701 # takes a function prototype and the name of     1571 # takes a function prototype and the name of the current file being
1702 # processed and spits out all the details sto    1572 # processed and spits out all the details stored in the global
1703 # arrays/hashes.                                 1573 # arrays/hashes.
1704 sub dump_function($$) {                          1574 sub dump_function($$) {
1705     my $prototype = shift;                       1575     my $prototype = shift;
1706     my $file = shift;                            1576     my $file = shift;
1707     my $noret = 0;                               1577     my $noret = 0;
1708                                                  1578 
1709     print_lineno($new_start_line);            << 
1710                                               << 
1711     $prototype =~ s/^static +//;                 1579     $prototype =~ s/^static +//;
1712     $prototype =~ s/^extern +//;                 1580     $prototype =~ s/^extern +//;
1713     $prototype =~ s/^asmlinkage +//;             1581     $prototype =~ s/^asmlinkage +//;
1714     $prototype =~ s/^inline +//;                 1582     $prototype =~ s/^inline +//;
1715     $prototype =~ s/^__inline__ +//;             1583     $prototype =~ s/^__inline__ +//;
1716     $prototype =~ s/^__inline +//;               1584     $prototype =~ s/^__inline +//;
1717     $prototype =~ s/^__always_inline +//;        1585     $prototype =~ s/^__always_inline +//;
1718     $prototype =~ s/^noinline +//;               1586     $prototype =~ s/^noinline +//;
1719     $prototype =~ s/^__FORTIFY_INLINE +//;    << 
1720     $prototype =~ s/__init +//;                  1587     $prototype =~ s/__init +//;
1721     $prototype =~ s/__init_or_module +//;        1588     $prototype =~ s/__init_or_module +//;
1722     $prototype =~ s/__deprecated +//;         << 
1723     $prototype =~ s/__flatten +//;            << 
1724     $prototype =~ s/__meminit +//;               1589     $prototype =~ s/__meminit +//;
1725     $prototype =~ s/__must_check +//;            1590     $prototype =~ s/__must_check +//;
1726     $prototype =~ s/__weak +//;                  1591     $prototype =~ s/__weak +//;
1727     $prototype =~ s/__sched +//;                 1592     $prototype =~ s/__sched +//;
1728     $prototype =~ s/_noprof//;                << 
1729     $prototype =~ s/__printf\s*\(\s*\d*\s*,\s    1593     $prototype =~ s/__printf\s*\(\s*\d*\s*,\s*\d*\s*\) +//;
1730     $prototype =~ s/__(?:re)?alloc_size\s*\(\ << 
1731     $prototype =~ s/__diagnose_as\s*\(\s*\S+\ << 
1732     $prototype =~ s/DECL_BUCKET_PARAMS\s*\(\s << 
1733     my $define = $prototype =~ s/^#\s*define\    1594     my $define = $prototype =~ s/^#\s*define\s+//; #ak added
1734     $prototype =~ s/__attribute_const__ +//;  << 
1735     $prototype =~ s/__attribute__\s*\(\(         1595     $prototype =~ s/__attribute__\s*\(\(
1736             (?:                                  1596             (?:
1737                  [\w\s]++          # attribut    1597                  [\w\s]++          # attribute name
1738                  (?:\([^)]*+\))?   # attribut    1598                  (?:\([^)]*+\))?   # attribute arguments
1739                  \s*+,?            # optional    1599                  \s*+,?            # optional comma at the end
1740             )+                                   1600             )+
1741           \)\)\s+//x;                            1601           \)\)\s+//x;
1742                                                  1602 
1743     # Yes, this truly is vile.  We are lookin    1603     # Yes, this truly is vile.  We are looking for:
1744     # 1. Return type (may be nothing if we're    1604     # 1. Return type (may be nothing if we're looking at a macro)
1745     # 2. Function name                           1605     # 2. Function name
1746     # 3. Function parameters.                    1606     # 3. Function parameters.
1747     #                                            1607     #
1748     # All the while we have to watch out for     1608     # All the while we have to watch out for function pointer parameters
1749     # (which IIRC is what the two sections ar    1609     # (which IIRC is what the two sections are for), C types (these
1750     # regexps don't even start to express all    1610     # regexps don't even start to express all the possibilities), and
1751     # so on.                                     1611     # so on.
1752     #                                            1612     #
1753     # If you mess with these regexps, it's a     1613     # If you mess with these regexps, it's a good idea to check that
1754     # the following functions' documentation     1614     # the following functions' documentation still comes out right:
1755     # - parport_register_device (function poi    1615     # - parport_register_device (function pointer parameters)
1756     # - atomic_set (macro)                       1616     # - atomic_set (macro)
1757     # - pci_match_device, __copy_to_user (lon    1617     # - pci_match_device, __copy_to_user (long return type)
1758     my $name = qr{[a-zA-Z0-9_~:]+};           << 
1759     my $prototype_end1 = qr{[^\(]*};          << 
1760     my $prototype_end2 = qr{[^\{]*};          << 
1761     my $prototype_end = qr{\(($prototype_end1 << 
1762     my $type1 = qr{[\w\s]+};                  << 
1763     my $type2 = qr{$type1\*+};                << 
1764                                                  1618 
1765     if ($define && $prototype =~ m/^()($name) !! 1619     if ($define && $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s+/) {
1766         # This is an object-like macro, it ha    1620         # This is an object-like macro, it has no return type and no parameter
1767         # list.                                  1621         # list.
1768         # Function-like macros are not allowe    1622         # Function-like macros are not allowed to have spaces between
1769         # declaration_name and opening parent    1623         # declaration_name and opening parenthesis (notice the \s+).
1770         $return_type = $1;                       1624         $return_type = $1;
1771         $declaration_name = $2;                  1625         $declaration_name = $2;
1772         $noret = 1;                              1626         $noret = 1;
1773     } elsif ($prototype =~ m/^()($name)\s*$pr !! 1627     } elsif ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
1774         $prototype =~ m/^($type1)\s+($name)\s !! 1628         $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
1775         $prototype =~ m/^($type2+)\s*($name)\ !! 1629         $prototype =~ m/^(\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
1776         $return_type = $1;                    !! 1630         $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
1777         $declaration_name = $2;               !! 1631         $prototype =~ m/^(\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
1778         my $args = $3;                        !! 1632         $prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
                                                   >> 1633         $prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ ||
                                                   >> 1634         $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1635         $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1636         $prototype =~ m/^(\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1637         $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1638         $prototype =~ m/^(\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1639         $prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1640         $prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1641         $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1642         $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+\s*\*+)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
                                                   >> 1643         $prototype =~ m/^(\w+\s+\w+\s*\*+\s*\w+\s*\*+\s*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/)  {
                                                   >> 1644         $return_type = $1;
                                                   >> 1645         $declaration_name = $2;
                                                   >> 1646         my $args = $3;
1779                                                  1647 
1780         create_parameterlist($args, ',', $fil !! 1648         create_parameterlist($args, ',', $file, $declaration_name);
1781     } else {                                     1649     } else {
1782         emit_warning("${file}:$.", "cannot un !! 1650         print STDERR "${file}:$.: warning: cannot understand function prototype: '$prototype'\n";
1783         return;                               !! 1651         return;
1784     }                                         << 
1785                                               << 
1786     if ($identifier ne $declaration_name) {   << 
1787         emit_warning("${file}:$.", "expecting << 
1788         return;                               << 
1789     }                                            1652     }
1790                                                  1653 
1791     my $prms = join " ", @parameterlist;      !! 1654         my $prms = join " ", @parameterlist;
1792     check_sections($file, $declaration_name,  !! 1655         check_sections($file, $declaration_name, "function", $sectcheck, $prms);
1793                                                  1656 
1794     # This check emits a lot of warnings at t !! 1657         # This check emits a lot of warnings at the moment, because many
1795     # functions don't have a 'Return' doc sec !! 1658         # functions don't have a 'Return' doc section. So until the number
1796     # of warnings goes sufficiently down, the !! 1659         # of warnings goes sufficiently down, the check is only performed in
1797     # -Wreturn mode.                          !! 1660         # verbose mode.
1798     # TODO: always perform the check.         !! 1661         # TODO: always perform the check.
1799     if ($Wreturn && !$noret) {                !! 1662         if ($verbose && !$noret) {
1800         check_return_section($file, $declarat !! 1663                 check_return_section($file, $declaration_name, $return_type);
1801     }                                         !! 1664         }
1802                                               !! 1665 
1803     # The function parser can be called with  !! 1666     output_declaration($declaration_name,
1804     # Handle it.                              !! 1667                        'function',
1805     if ($return_type =~ /typedef/) {          !! 1668                        {'function' => $declaration_name,
1806         output_declaration($declaration_name, !! 1669                         'module' => $modulename,
1807                            'function',        !! 1670                         'functiontype' => $return_type,
1808                            {'function' => $de !! 1671                         'parameterlist' => \@parameterlist,
1809                             'typedef' => 1,   !! 1672                         'parameterdescs' => \%parameterdescs,
1810                             'module' => $modu !! 1673                         'parametertypes' => \%parametertypes,
1811                             'functiontype' => !! 1674                         'sectionlist' => \@sectionlist,
1812                             'parameterlist' = !! 1675                         'sections' => \%sections,
1813                             'parameterdescs'  !! 1676                         'purpose' => $declaration_purpose
1814                             'parametertypes'  !! 1677                        });
1815                             'sectionlist' =>  << 
1816                             'sections' => \%s << 
1817                             'purpose' => $dec << 
1818                            });                << 
1819     } else {                                  << 
1820         output_declaration($declaration_name, << 
1821                            'function',        << 
1822                            {'function' => $de << 
1823                             'module' => $modu << 
1824                             'functiontype' => << 
1825                             'parameterlist' = << 
1826                             'parameterdescs'  << 
1827                             'parametertypes'  << 
1828                             'sectionlist' =>  << 
1829                             'sections' => \%s << 
1830                             'purpose' => $dec << 
1831                            });                << 
1832     }                                         << 
1833 }                                                1678 }
1834                                                  1679 
1835 sub reset_state {                                1680 sub reset_state {
1836     $function = "";                              1681     $function = "";
1837     %parameterdescs = ();                        1682     %parameterdescs = ();
1838     %parametertypes = ();                        1683     %parametertypes = ();
1839     @parameterlist = ();                         1684     @parameterlist = ();
1840     %sections = ();                              1685     %sections = ();
1841     @sectionlist = ();                           1686     @sectionlist = ();
1842     $sectcheck = "";                             1687     $sectcheck = "";
1843     $struct_actual = "";                         1688     $struct_actual = "";
1844     $prototype = "";                             1689     $prototype = "";
1845                                                  1690 
1846     $state = STATE_NORMAL;                       1691     $state = STATE_NORMAL;
1847     $inline_doc_state = STATE_INLINE_NA;         1692     $inline_doc_state = STATE_INLINE_NA;
1848 }                                                1693 }
1849                                                  1694 
1850 sub tracepoint_munge($) {                        1695 sub tracepoint_munge($) {
1851     my $file = shift;                         !! 1696         my $file = shift;
1852     my $tracepointname = 0;                   !! 1697         my $tracepointname = 0;
1853     my $tracepointargs = 0;                   !! 1698         my $tracepointargs = 0;
1854                                               !! 1699 
1855     if ($prototype =~ m/TRACE_EVENT\((.*?),/) !! 1700         if ($prototype =~ m/TRACE_EVENT\((.*?),/) {
1856         $tracepointname = $1;                 !! 1701                 $tracepointname = $1;
1857     }                                         !! 1702         }
1858     if ($prototype =~ m/DEFINE_SINGLE_EVENT\( !! 1703         if ($prototype =~ m/DEFINE_SINGLE_EVENT\((.*?),/) {
1859         $tracepointname = $1;                 !! 1704                 $tracepointname = $1;
1860     }                                         !! 1705         }
1861     if ($prototype =~ m/DEFINE_EVENT\((.*?),( !! 1706         if ($prototype =~ m/DEFINE_EVENT\((.*?),(.*?),/) {
1862         $tracepointname = $2;                 !! 1707                 $tracepointname = $2;
1863     }                                         !! 1708         }
1864     $tracepointname =~ s/^\s+//; #strip leadi !! 1709         $tracepointname =~ s/^\s+//; #strip leading whitespace
1865     if ($prototype =~ m/TP_PROTO\((.*?)\)/) { !! 1710         if ($prototype =~ m/TP_PROTO\((.*?)\)/) {
1866         $tracepointargs = $1;                 !! 1711                 $tracepointargs = $1;
1867     }                                         !! 1712         }
1868     if (($tracepointname eq 0) || ($tracepoin !! 1713         if (($tracepointname eq 0) || ($tracepointargs eq 0)) {
1869         emit_warning("${file}:$.", "Unrecogni !! 1714                 print STDERR "${file}:$.: warning: Unrecognized tracepoint format: \n".
1870                  "$prototype\n");             !! 1715                              "$prototype\n";
1871     } else {                                  !! 1716         } else {
1872         $prototype = "static inline void trac !! 1717                 $prototype = "static inline void trace_$tracepointname($tracepointargs)";
1873         $identifier = "trace_$identifier";    !! 1718         }
1874     }                                         << 
1875 }                                                1719 }
1876                                                  1720 
1877 sub syscall_munge() {                            1721 sub syscall_munge() {
1878     my $void = 0;                             !! 1722         my $void = 0;
1879                                               << 
1880     $prototype =~ s@[\r\n]+@ @gos; # strip ne << 
1881 ##    if ($prototype =~ m/SYSCALL_DEFINE0\s*\ << 
1882     if ($prototype =~ m/SYSCALL_DEFINE0/) {   << 
1883         $void = 1;                            << 
1884 ##        $prototype = "long sys_$1(void)";   << 
1885     }                                         << 
1886                                               << 
1887     $prototype =~ s/SYSCALL_DEFINE.*\(/long s << 
1888     if ($prototype =~ m/long (sys_.*?),/) {   << 
1889         $prototype =~ s/,/\(/;                << 
1890     } elsif ($void) {                         << 
1891         $prototype =~ s/\)/\(void\)/;         << 
1892     }                                         << 
1893                                                  1723 
1894     # now delete all of the odd-number commas !! 1724         $prototype =~ s@[\r\n]+@ @gos; # strip newlines/CR's
1895     # so that arg types & arg names don't hav !! 1725 ##      if ($prototype =~ m/SYSCALL_DEFINE0\s*\(\s*(a-zA-Z0-9_)*\s*\)/) {
1896     my $count = 0;                            !! 1726         if ($prototype =~ m/SYSCALL_DEFINE0/) {
1897     my $len = length($prototype);             !! 1727                 $void = 1;
1898     if ($void) {                              !! 1728 ##              $prototype = "long sys_$1(void)";
1899         $len = 0;    # skip the for-loop      !! 1729         }
1900     }                                         !! 1730 
1901     for (my $ix = 0; $ix < $len; $ix++) {     !! 1731         $prototype =~ s/SYSCALL_DEFINE.*\(/long sys_/; # fix return type & func name
1902         if (substr($prototype, $ix, 1) eq ',' !! 1732         if ($prototype =~ m/long (sys_.*?),/) {
1903             $count++;                         !! 1733                 $prototype =~ s/,/\(/;
1904             if ($count % 2 == 1) {            !! 1734         } elsif ($void) {
1905                 substr($prototype, $ix, 1) =  !! 1735                 $prototype =~ s/\)/\(void\)/;
1906             }                                 !! 1736         }
1907         }                                     !! 1737 
1908     }                                         !! 1738         # now delete all of the odd-number commas in $prototype
                                                   >> 1739         # so that arg types & arg names don't have a comma between them
                                                   >> 1740         my $count = 0;
                                                   >> 1741         my $len = length($prototype);
                                                   >> 1742         if ($void) {
                                                   >> 1743                 $len = 0;       # skip the for-loop
                                                   >> 1744         }
                                                   >> 1745         for (my $ix = 0; $ix < $len; $ix++) {
                                                   >> 1746                 if (substr($prototype, $ix, 1) eq ',') {
                                                   >> 1747                         $count++;
                                                   >> 1748                         if ($count % 2 == 1) {
                                                   >> 1749                                 substr($prototype, $ix, 1) = ' ';
                                                   >> 1750                         }
                                                   >> 1751                 }
                                                   >> 1752         }
1909 }                                                1753 }
1910                                                  1754 
1911 sub process_proto_function($$) {                 1755 sub process_proto_function($$) {
1912     my $x = shift;                               1756     my $x = shift;
1913     my $file = shift;                            1757     my $file = shift;
1914                                                  1758 
1915     $x =~ s@\/\/.*$@@gos; # strip C99-style c    1759     $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
1916                                                  1760 
1917     if ($x =~ /^#/ && $x !~ /^#\s*define/) {  !! 1761     if ($x =~ m#\s*/\*\s+MACDOC\s*#io || ($x =~ /^#/ && $x !~ /^#\s*define/)) {
1918         # do nothing                          !! 1762         # do nothing
1919     } elsif ($x =~ /([^\{]*)/) {              !! 1763     }
1920         $prototype .= $1;                     !! 1764     elsif ($x =~ /([^\{]*)/) {
                                                   >> 1765         $prototype .= $1;
1921     }                                            1766     }
1922                                                  1767 
1923     if (($x =~ /\{/) || ($x =~ /\#\s*define/)    1768     if (($x =~ /\{/) || ($x =~ /\#\s*define/) || ($x =~ /;/)) {
1924         $prototype =~ s@/\*.*?\*/@@gos;       !! 1769         $prototype =~ s@/\*.*?\*/@@gos; # strip comments.
1925         $prototype =~ s@[\r\n]+@ @gos; # stri !! 1770         $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
1926         $prototype =~ s@^\s+@@gos; # strip le !! 1771         $prototype =~ s@^\s+@@gos; # strip leading spaces
1927                                               !! 1772         if ($prototype =~ /SYSCALL_DEFINE/) {
1928         # Handle prototypes for function poin !! 1773                 syscall_munge();
1929         # int (*pcs_config)(struct foo)       !! 1774         }
1930         $prototype =~ s@^(\S+\s+)\(\s*\*(\S+) !! 1775         if ($prototype =~ /TRACE_EVENT/ || $prototype =~ /DEFINE_EVENT/ ||
1931                                               !! 1776             $prototype =~ /DEFINE_SINGLE_EVENT/)
1932         if ($prototype =~ /SYSCALL_DEFINE/) { !! 1777         {
1933             syscall_munge();                  !! 1778                 tracepoint_munge($file);
1934         }                                     !! 1779         }
1935         if ($prototype =~ /TRACE_EVENT/ || $p !! 1780         dump_function($prototype, $file);
1936             $prototype =~ /DEFINE_SINGLE_EVEN !! 1781         reset_state();
1937         {                                     << 
1938             tracepoint_munge($file);          << 
1939         }                                     << 
1940         dump_function($prototype, $file);     << 
1941         reset_state();                        << 
1942     }                                            1782     }
1943 }                                                1783 }
1944                                                  1784 
1945 sub process_proto_type($$) {                     1785 sub process_proto_type($$) {
1946     my $x = shift;                               1786     my $x = shift;
1947     my $file = shift;                            1787     my $file = shift;
1948                                                  1788 
1949     $x =~ s@[\r\n]+@ @gos; # strip newlines/c    1789     $x =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
1950     $x =~ s@^\s+@@gos; # strip leading spaces    1790     $x =~ s@^\s+@@gos; # strip leading spaces
1951     $x =~ s@\s+$@@gos; # strip trailing space    1791     $x =~ s@\s+$@@gos; # strip trailing spaces
1952     $x =~ s@\/\/.*$@@gos; # strip C99-style c    1792     $x =~ s@\/\/.*$@@gos; # strip C99-style comments to end of line
1953                                                  1793 
1954     if ($x =~ /^#/) {                            1794     if ($x =~ /^#/) {
1955         # To distinguish preprocessor directi !! 1795         # To distinguish preprocessor directive from regular declaration later.
1956         $x .= ";";                            !! 1796         $x .= ";";
1957     }                                            1797     }
1958                                                  1798 
1959     while (1) {                                  1799     while (1) {
1960         if ( $x =~ /([^\{\};]*)([\{\};])(.*)/ !! 1800         if ( $x =~ /([^\{\};]*)([\{\};])(.*)/ ) {
1961             if( length $prototype ) {            1801             if( length $prototype ) {
1962                 $prototype .= " "                1802                 $prototype .= " "
1963             }                                    1803             }
1964             $prototype .= $1 . $2;            !! 1804             $prototype .= $1 . $2;
1965             ($2 eq '{') && $brcount++;        !! 1805             ($2 eq '{') && $brcount++;
1966             ($2 eq '}') && $brcount--;        !! 1806             ($2 eq '}') && $brcount--;
1967             if (($2 eq ';') && ($brcount == 0 !! 1807             if (($2 eq ';') && ($brcount == 0)) {
1968                 dump_declaration($prototype,  !! 1808                 dump_declaration($prototype, $file);
1969                 reset_state();                !! 1809                 reset_state();
1970                 last;                         !! 1810                 last;
1971             }                                 !! 1811             }
1972             $x = $3;                          !! 1812             $x = $3;
1973         } else {                              !! 1813         } else {
1974             $prototype .= $x;                 !! 1814             $prototype .= $x;
1975             last;                             !! 1815             last;
1976         }                                     !! 1816         }
1977     }                                            1817     }
1978 }                                                1818 }
1979                                                  1819 
1980                                                  1820 
1981 sub map_filename($) {                            1821 sub map_filename($) {
1982     my $file;                                    1822     my $file;
1983     my ($orig_file) = @_;                        1823     my ($orig_file) = @_;
1984                                                  1824 
1985     if (defined($ENV{'SRCTREE'})) {              1825     if (defined($ENV{'SRCTREE'})) {
1986         $file = "$ENV{'SRCTREE'}" . "/" . $or !! 1826         $file = "$ENV{'SRCTREE'}" . "/" . $orig_file;
1987     } else {                                     1827     } else {
1988         $file = $orig_file;                   !! 1828         $file = $orig_file;
1989     }                                            1829     }
1990                                                  1830 
1991     if (defined($source_map{$file})) {           1831     if (defined($source_map{$file})) {
1992         $file = $source_map{$file};           !! 1832         $file = $source_map{$file};
1993     }                                            1833     }
1994                                                  1834 
1995     return $file;                                1835     return $file;
1996 }                                                1836 }
1997                                                  1837 
1998 sub process_export_file($) {                     1838 sub process_export_file($) {
1999     my ($orig_file) = @_;                        1839     my ($orig_file) = @_;
2000     my $file = map_filename($orig_file);         1840     my $file = map_filename($orig_file);
2001                                                  1841 
2002     if (!open(IN,"<$file")) {                    1842     if (!open(IN,"<$file")) {
2003         print STDERR "Error: Cannot open file !! 1843         print STDERR "Error: Cannot open file $file\n";
2004         ++$errors;                            !! 1844         ++$errors;
2005         return;                               !! 1845         return;
2006     }                                            1846     }
2007                                                  1847 
2008     while (<IN>) {                               1848     while (<IN>) {
2009         if (/$export_symbol/) {               !! 1849         if (/$export_symbol/) {
2010             next if (defined($nosymbol_table{ !! 1850             $function_table{$2} = 1;
2011             $function_table{$2} = 1;          !! 1851         }
2012         }                                     << 
2013         if (/$export_symbol_ns/) {            << 
2014             next if (defined($nosymbol_table{ << 
2015             $function_table{$2} = 1;          << 
2016         }                                     << 
2017     }                                            1852     }
2018                                                  1853 
2019     close(IN);                                   1854     close(IN);
2020 }                                                1855 }
2021                                                  1856 
2022 #                                                1857 #
2023 # Parsers for the various processing states.     1858 # Parsers for the various processing states.
2024 #                                                1859 #
2025 # STATE_NORMAL: looking for the /** to begin     1860 # STATE_NORMAL: looking for the /** to begin everything.
2026 #                                                1861 #
2027 sub process_normal() {                           1862 sub process_normal() {
2028     if (/$doc_start/o) {                         1863     if (/$doc_start/o) {
2029         $state = STATE_NAME;        # next li !! 1864         $state = STATE_NAME;    # next line is always the function name
2030         $in_doc_sect = 0;                     !! 1865         $in_doc_sect = 0;
2031         $declaration_start_line = $. + 1;     !! 1866         $declaration_start_line = $. + 1;
2032     }                                            1867     }
2033 }                                                1868 }
2034                                                  1869 
2035 #                                                1870 #
2036 # STATE_NAME: Looking for the "name - descrip    1871 # STATE_NAME: Looking for the "name - description" line
2037 #                                                1872 #
2038 sub process_name($$) {                           1873 sub process_name($$) {
2039     my $file = shift;                            1874     my $file = shift;
                                                   >> 1875     my $identifier;
2040     my $descr;                                   1876     my $descr;
2041                                                  1877 
2042     if (/$doc_block/o) {                         1878     if (/$doc_block/o) {
2043         $state = STATE_DOCBLOCK;              !! 1879         $state = STATE_DOCBLOCK;
2044         $contents = "";                       !! 1880         $contents = "";
2045         $new_start_line = $.;                 !! 1881         $new_start_line = $. + 1;
2046                                               !! 1882 
2047         if ( $1 eq "" ) {                     !! 1883         if ( $1 eq "" ) {
2048             $section = $section_intro;        !! 1884             $section = $section_intro;
2049         } else {                              !! 1885         } else {
2050             $section = $1;                    !! 1886             $section = $1;
2051         }                                     !! 1887         }
2052     } elsif (/$doc_decl/o) {                  !! 1888     }
2053         $identifier = $1;                     !! 1889     elsif (/$doc_decl/o) {
2054         my $is_kernel_comment = 0;            !! 1890         $identifier = $1;
2055         my $decl_start = qr{$doc_com};        !! 1891         if (/\s*([\w\s]+?)(\(\))?\s*-/) {
2056         # test for pointer declaration type,  !! 1892             $identifier = $1;
2057         my $fn_type = qr{\w+\s*\*\s*};        !! 1893         }
2058         my $parenthesis = qr{\(\w*\)};        !! 1894 
2059         my $decl_end = qr{[-:].*};            !! 1895         $state = STATE_BODY;
2060         if (/^$decl_start([\w\s]+?)$parenthes !! 1896         # if there's no @param blocks need to set up default section
2061             $identifier = $1;                 !! 1897         # here
2062         }                                     !! 1898         $contents = "";
2063         if ($identifier =~ m/^(struct|union|e !! 1899         $section = $section_default;
2064             $decl_type = $1;                  !! 1900         $new_start_line = $. + 1;
2065             $identifier = $2;                 !! 1901         if (/-(.*)/) {
2066             $is_kernel_comment = 1;           !! 1902             # strip leading/trailing/multiple spaces
2067         }                                     !! 1903             $descr= $1;
2068         # Look for foo() or static void foo() !! 1904             $descr =~ s/^\s*//;
2069         # identifier                          !! 1905             $descr =~ s/\s*$//;
2070         elsif (/^$decl_start$fn_type?(\w+)\s* !! 1906             $descr =~ s/\s+/ /g;
2071             /^$decl_start$fn_type?(\w+.*)$par !! 1907             $declaration_purpose = $descr;
2072             $identifier = $1;                 !! 1908             $state = STATE_BODY_MAYBE;
2073             $decl_type = 'function';          !! 1909         } else {
2074             $identifier =~ s/^define\s+//;    !! 1910             $declaration_purpose = "";
2075             $is_kernel_comment = 1;           !! 1911         }
2076         }                                     !! 1912 
2077         $identifier =~ s/\s+$//;              !! 1913         if (($declaration_purpose eq "") && $verbose) {
2078                                               !! 1914             print STDERR "${file}:$.: warning: missing initial short description on line:\n";
2079         $state = STATE_BODY;                  !! 1915             print STDERR $_;
2080         # if there's no @param blocks need to !! 1916             ++$warnings;
2081         # here                                !! 1917         }
2082         $contents = "";                       !! 1918 
2083         $section = $section_default;          !! 1919         if ($identifier =~ m/^struct\b/) {
2084         $new_start_line = $. + 1;             !! 1920             $decl_type = 'struct';
2085         if (/[-:](.*)/) {                     !! 1921         } elsif ($identifier =~ m/^union\b/) {
2086             # strip leading/trailing/multiple !! 1922             $decl_type = 'union';
2087             $descr= $1;                       !! 1923         } elsif ($identifier =~ m/^enum\b/) {
2088             $descr =~ s/^\s*//;               !! 1924             $decl_type = 'enum';
2089             $descr =~ s/\s*$//;               !! 1925         } elsif ($identifier =~ m/^typedef\b/) {
2090             $descr =~ s/\s+/ /g;              !! 1926             $decl_type = 'typedef';
2091             $declaration_purpose = $descr;    !! 1927         } else {
2092             $state = STATE_BODY_MAYBE;        !! 1928             $decl_type = 'function';
2093         } else {                              !! 1929         }
2094             $declaration_purpose = "";        !! 1930 
2095         }                                     !! 1931         if ($verbose) {
2096                                               !! 1932             print STDERR "${file}:$.: info: Scanning doc for $identifier\n";
2097         if (!$is_kernel_comment) {            !! 1933         }
2098             emit_warning("${file}:$.", "This  << 
2099             $state = STATE_NORMAL;            << 
2100         }                                     << 
2101                                               << 
2102         if (($declaration_purpose eq "") && $ << 
2103             emit_warning("${file}:$.", "missi << 
2104         }                                     << 
2105                                               << 
2106         if ($identifier eq "" && $decl_type n << 
2107             emit_warning("${file}:$.", "wrong << 
2108             $state = STATE_NORMAL;            << 
2109         }                                     << 
2110                                               << 
2111         if ($verbose) {                       << 
2112             print STDERR "${file}:$.: info: S << 
2113         }                                     << 
2114     } else {                                     1934     } else {
2115         emit_warning("${file}:$.", "Cannot un !! 1935         print STDERR "${file}:$.: warning: Cannot understand $_ on line $.",
2116         $state = STATE_NORMAL;                !! 1936             " - I thought it was a doc line\n";
                                                   >> 1937         ++$warnings;
                                                   >> 1938         $state = STATE_NORMAL;
2117     }                                            1939     }
2118 }                                                1940 }
2119                                                  1941 
2120                                                  1942 
2121 #                                                1943 #
2122 # STATE_BODY and STATE_BODY_MAYBE: the bulk o    1944 # STATE_BODY and STATE_BODY_MAYBE: the bulk of a kerneldoc comment.
2123 #                                                1945 #
2124 sub process_body($$) {                           1946 sub process_body($$) {
2125     my $file = shift;                            1947     my $file = shift;
2126                                                  1948 
                                                   >> 1949     # Until all named variable macro parameters are
                                                   >> 1950     # documented using the bare name (`x`) rather than with
                                                   >> 1951     # dots (`x...`), strip the dots:
                                                   >> 1952     if ($section =~ /\w\.\.\.$/) {
                                                   >> 1953         $section =~ s/\.\.\.$//;
                                                   >> 1954 
                                                   >> 1955         if ($verbose) {
                                                   >> 1956             print STDERR "${file}:$.: warning: Variable macro arguments should be documented without dots\n";
                                                   >> 1957             ++$warnings;
                                                   >> 1958         }
                                                   >> 1959     }
                                                   >> 1960 
2127     if ($state == STATE_BODY_WITH_BLANK_LINE     1961     if ($state == STATE_BODY_WITH_BLANK_LINE && /^\s*\*\s?\S/) {
2128         dump_section($file, $section, $conten !! 1962         dump_section($file, $section, $contents);
2129         $section = $section_default;          !! 1963         $section = $section_default;
2130         $new_start_line = $.;                 !! 1964         $contents = "";
2131         $contents = "";                       << 
2132     }                                            1965     }
2133                                                  1966 
2134     if (/$doc_sect/i) { # case insensitive fo    1967     if (/$doc_sect/i) { # case insensitive for supported section names
2135         $in_doc_sect = 1;                     !! 1968         $newsection = $1;
2136         $newsection = $1;                     !! 1969         $newcontents = $2;
2137         $newcontents = $2;                    << 
2138                                               << 
2139         # map the supported section names to  << 
2140         if ($newsection =~ m/^description$/i) << 
2141             $newsection = $section_default;   << 
2142         } elsif ($newsection =~ m/^context$/i << 
2143             $newsection = $section_context;   << 
2144         } elsif ($newsection =~ m/^returns?$/ << 
2145             $newsection = $section_return;    << 
2146         } elsif ($newsection =~ m/^\@return$/ << 
2147             # special: @return is a section,  << 
2148             $newsection = $section_return;    << 
2149         }                                     << 
2150                                                  1970 
2151         if (($contents ne "") && ($contents n !! 1971         # map the supported section names to the canonical names
2152             if (!$in_doc_sect && $Wcontents_b !! 1972         if ($newsection =~ m/^description$/i) {
2153                 emit_warning("${file}:$.", "c !! 1973             $newsection = $section_default;
2154             }                                 !! 1974         } elsif ($newsection =~ m/^context$/i) {
2155             dump_section($file, $section, $co !! 1975             $newsection = $section_context;
2156             $section = $section_default;      !! 1976         } elsif ($newsection =~ m/^returns?$/i) {
2157         }                                     !! 1977             $newsection = $section_return;
2158                                               !! 1978         } elsif ($newsection =~ m/^\@return$/) {
2159         $in_doc_sect = 1;                     !! 1979             # special: @return is a section, not a param description
2160         $state = STATE_BODY;                  !! 1980             $newsection = $section_return;
2161         $contents = $newcontents;             !! 1981         }
2162         $new_start_line = $.;                 !! 1982 
2163         while (substr($contents, 0, 1) eq " " !! 1983         if (($contents ne "") && ($contents ne "\n")) {
2164             $contents = substr($contents, 1); !! 1984             if (!$in_doc_sect && $verbose) {
2165         }                                     !! 1985                 print STDERR "${file}:$.: warning: contents before sections\n";
2166         if ($contents ne "") {                !! 1986                 ++$warnings;
2167             $contents .= "\n";                !! 1987             }
2168         }                                     !! 1988             dump_section($file, $section, $contents);
2169         $section = $newsection;               !! 1989             $section = $section_default;
2170         $leading_space = undef;               !! 1990         }
                                                   >> 1991 
                                                   >> 1992         $in_doc_sect = 1;
                                                   >> 1993         $state = STATE_BODY;
                                                   >> 1994         $contents = $newcontents;
                                                   >> 1995         $new_start_line = $.;
                                                   >> 1996         while (substr($contents, 0, 1) eq " ") {
                                                   >> 1997             $contents = substr($contents, 1);
                                                   >> 1998         }
                                                   >> 1999         if ($contents ne "") {
                                                   >> 2000             $contents .= "\n";
                                                   >> 2001         }
                                                   >> 2002         $section = $newsection;
                                                   >> 2003         $leading_space = undef;
2171     } elsif (/$doc_end/) {                       2004     } elsif (/$doc_end/) {
2172         if (($contents ne "") && ($contents n !! 2005         if (($contents ne "") && ($contents ne "\n")) {
2173             dump_section($file, $section, $co !! 2006             dump_section($file, $section, $contents);
2174             $section = $section_default;      !! 2007             $section = $section_default;
2175             $contents = "";                   !! 2008             $contents = "";
2176         }                                     !! 2009         }
2177         # look for doc_com + <text> + doc_end !! 2010         # look for doc_com + <text> + doc_end:
2178         if ($_ =~ m'\s*\*\s*[a-zA-Z_0-9:\.]+\ !! 2011         if ($_ =~ m'\s*\*\s*[a-zA-Z_0-9:\.]+\*/') {
2179             emit_warning("${file}:$.", "suspi !! 2012             print STDERR "${file}:$.: warning: suspicious ending line: $_";
2180         }                                     !! 2013             ++$warnings;
2181                                               !! 2014         }
2182         $prototype = "";                      !! 2015 
2183         $state = STATE_PROTO;                 !! 2016         $prototype = "";
2184         $brcount = 0;                         !! 2017         $state = STATE_PROTO;
2185         $new_start_line = $. + 1;             !! 2018         $brcount = 0;
2186     } elsif (/$doc_content/) {                   2019     } elsif (/$doc_content/) {
2187         if ($1 eq "") {                       !! 2020         if ($1 eq "") {
2188             if ($section eq $section_context) !! 2021             if ($section eq $section_context) {
2189                 dump_section($file, $section, !! 2022                 dump_section($file, $section, $contents);
2190                 $section = $section_default;  !! 2023                 $section = $section_default;
2191                 $contents = "";               !! 2024                 $contents = "";
2192                 $new_start_line = $.;         !! 2025                 $new_start_line = $.;
2193                 $state = STATE_BODY;          !! 2026                 $state = STATE_BODY;
2194             } else {                          !! 2027             } else {
2195                 if ($section ne $section_defa !! 2028                 if ($section ne $section_default) {
2196                     $state = STATE_BODY_WITH_ !! 2029                     $state = STATE_BODY_WITH_BLANK_LINE;
2197                 } else {                      !! 2030                 } else {
2198                     $state = STATE_BODY;      !! 2031                     $state = STATE_BODY;
2199                 }                             !! 2032                 }
2200                 $contents .= "\n";            !! 2033                 $contents .= "\n";
2201             }                                 !! 2034             }
2202         } elsif ($state == STATE_BODY_MAYBE)  !! 2035         } elsif ($state == STATE_BODY_MAYBE) {
2203             # Continued declaration purpose   !! 2036             # Continued declaration purpose
2204             chomp($declaration_purpose);      !! 2037             chomp($declaration_purpose);
2205             $declaration_purpose .= " " . $1; !! 2038             $declaration_purpose .= " " . $1;
2206             $declaration_purpose =~ s/\s+/ /g !! 2039             $declaration_purpose =~ s/\s+/ /g;
2207         } else {                              !! 2040         } else {
2208             my $cont = $1;                    !! 2041             my $cont = $1;
2209             if ($section =~ m/^@/ || $section !! 2042             if ($section =~ m/^@/ || $section eq $section_context) {
2210                 if (!defined $leading_space)  !! 2043                 if (!defined $leading_space) {
2211                     if ($cont =~ m/^(\s+)/) { !! 2044                     if ($cont =~ m/^(\s+)/) {
2212                         $leading_space = $1;  !! 2045                         $leading_space = $1;
2213                     } else {                  !! 2046                     } else {
2214                         $leading_space = "";  !! 2047                         $leading_space = "";
2215                     }                         !! 2048                     }
2216                 }                             !! 2049                 }
2217                 $cont =~ s/^$leading_space//; !! 2050                 $cont =~ s/^$leading_space//;
2218             }                                 !! 2051             }
2219             $contents .= $cont . "\n";        !! 2052             $contents .= $cont . "\n";
2220         }                                     !! 2053         }
2221     } else {                                     2054     } else {
2222         # i dont know - bad line?  ignore.    !! 2055         # i dont know - bad line?  ignore.
2223         emit_warning("${file}:$.", "bad line: !! 2056         print STDERR "${file}:$.: warning: bad line: $_";
                                                   >> 2057         ++$warnings;
2224     }                                            2058     }
2225 }                                                2059 }
2226                                                  2060 
2227                                                  2061 
2228 #                                                2062 #
2229 # STATE_PROTO: reading a function/whatever pr    2063 # STATE_PROTO: reading a function/whatever prototype.
2230 #                                                2064 #
2231 sub process_proto($$) {                          2065 sub process_proto($$) {
2232     my $file = shift;                            2066     my $file = shift;
2233                                                  2067 
2234     if (/$doc_inline_oneline/) {                 2068     if (/$doc_inline_oneline/) {
2235         $section = $1;                        !! 2069         $section = $1;
2236         $contents = $2;                       !! 2070         $contents = $2;
2237         if ($contents ne "") {                !! 2071         if ($contents ne "") {
2238             $contents .= "\n";                !! 2072             $contents .= "\n";
2239             dump_section($file, $section, $co !! 2073             dump_section($file, $section, $contents);
2240             $section = $section_default;      !! 2074             $section = $section_default;
2241             $contents = "";                   !! 2075             $contents = "";
2242         }                                     !! 2076         }
2243     } elsif (/$doc_inline_start/) {              2077     } elsif (/$doc_inline_start/) {
2244         $state = STATE_INLINE;                !! 2078         $state = STATE_INLINE;
2245         $inline_doc_state = STATE_INLINE_NAME !! 2079         $inline_doc_state = STATE_INLINE_NAME;
2246     } elsif ($decl_type eq 'function') {         2080     } elsif ($decl_type eq 'function') {
2247         process_proto_function($_, $file);    !! 2081         process_proto_function($_, $file);
2248     } else {                                     2082     } else {
2249         process_proto_type($_, $file);        !! 2083         process_proto_type($_, $file);
2250     }                                            2084     }
2251 }                                                2085 }
2252                                                  2086 
2253 #                                                2087 #
2254 # STATE_DOCBLOCK: within a DOC: block.           2088 # STATE_DOCBLOCK: within a DOC: block.
2255 #                                                2089 #
2256 sub process_docblock($$) {                       2090 sub process_docblock($$) {
2257     my $file = shift;                            2091     my $file = shift;
2258                                                  2092 
2259     if (/$doc_end/) {                            2093     if (/$doc_end/) {
2260         dump_doc_section($file, $section, $co !! 2094         dump_doc_section($file, $section, $contents);
2261         $section = $section_default;          !! 2095         $section = $section_default;
2262         $contents = "";                       !! 2096         $contents = "";
2263         $function = "";                       !! 2097         $function = "";
2264         %parameterdescs = ();                 !! 2098         %parameterdescs = ();
2265         %parametertypes = ();                 !! 2099         %parametertypes = ();
2266         @parameterlist = ();                  !! 2100         @parameterlist = ();
2267         %sections = ();                       !! 2101         %sections = ();
2268         @sectionlist = ();                    !! 2102         @sectionlist = ();
2269         $prototype = "";                      !! 2103         $prototype = "";
2270         $state = STATE_NORMAL;                !! 2104         $state = STATE_NORMAL;
2271     } elsif (/$doc_content/) {                   2105     } elsif (/$doc_content/) {
2272         if ( $1 eq "" )        {              !! 2106         if ( $1 eq "" ) {
2273             $contents .= $blankline;          !! 2107             $contents .= $blankline;
2274         } else {                              !! 2108         } else {
2275             $contents .= $1 . "\n";           !! 2109             $contents .= $1 . "\n";
2276         }                                     !! 2110         }
2277     }                                            2111     }
2278 }                                                2112 }
2279                                                  2113 
2280 #                                                2114 #
2281 # STATE_INLINE: docbook comments within a pro    2115 # STATE_INLINE: docbook comments within a prototype.
2282 #                                                2116 #
2283 sub process_inline($$) {                         2117 sub process_inline($$) {
2284     my $file = shift;                            2118     my $file = shift;
2285                                                  2119 
2286     # First line (state 1) needs to be a @par    2120     # First line (state 1) needs to be a @parameter
2287     if ($inline_doc_state == STATE_INLINE_NAM    2121     if ($inline_doc_state == STATE_INLINE_NAME && /$doc_inline_sect/o) {
2288         $section = $1;                        !! 2122         $section = $1;
2289         $contents = $2;                       !! 2123         $contents = $2;
2290         $new_start_line = $.;                 !! 2124         $new_start_line = $.;
2291         if ($contents ne "") {                !! 2125         if ($contents ne "") {
2292             while (substr($contents, 0, 1) eq !! 2126             while (substr($contents, 0, 1) eq " ") {
2293                 $contents = substr($contents, !! 2127                 $contents = substr($contents, 1);
2294             }                                 !! 2128             }
2295             $contents .= "\n";                !! 2129             $contents .= "\n";
2296         }                                     !! 2130         }
2297         $inline_doc_state = STATE_INLINE_TEXT !! 2131         $inline_doc_state = STATE_INLINE_TEXT;
2298         # Documentation block end */          !! 2132         # Documentation block end */
2299     } elsif (/$doc_inline_end/) {                2133     } elsif (/$doc_inline_end/) {
2300         if (($contents ne "") && ($contents n !! 2134         if (($contents ne "") && ($contents ne "\n")) {
2301             dump_section($file, $section, $co !! 2135             dump_section($file, $section, $contents);
2302             $section = $section_default;      !! 2136             $section = $section_default;
2303             $contents = "";                   !! 2137             $contents = "";
2304         }                                     !! 2138         }
2305         $state = STATE_PROTO;                 !! 2139         $state = STATE_PROTO;
2306         $inline_doc_state = STATE_INLINE_NA;  !! 2140         $inline_doc_state = STATE_INLINE_NA;
2307         # Regular text                        !! 2141         # Regular text
2308     } elsif (/$doc_content/) {                   2142     } elsif (/$doc_content/) {
2309         if ($inline_doc_state == STATE_INLINE !! 2143         if ($inline_doc_state == STATE_INLINE_TEXT) {
2310             $contents .= $1 . "\n";           !! 2144             $contents .= $1 . "\n";
2311             # nuke leading blank lines        !! 2145             # nuke leading blank lines
2312             if ($contents =~ /^\s*$/) {       !! 2146             if ($contents =~ /^\s*$/) {
2313                 $contents = "";               !! 2147                 $contents = "";
2314             }                                 !! 2148             }
2315         } elsif ($inline_doc_state == STATE_I !! 2149         } elsif ($inline_doc_state == STATE_INLINE_NAME) {
2316             $inline_doc_state = STATE_INLINE_ !! 2150             $inline_doc_state = STATE_INLINE_ERROR;
2317             emit_warning("${file}:$.", "Incor !! 2151             print STDERR "${file}:$.: warning: ";
2318         }                                     !! 2152             print STDERR "Incorrect use of kernel-doc format: $_";
                                                   >> 2153             ++$warnings;
                                                   >> 2154         }
2319     }                                            2155     }
2320 }                                                2156 }
2321                                                  2157 
2322                                                  2158 
2323 sub process_file($) {                            2159 sub process_file($) {
2324     my $file;                                    2160     my $file;
2325     my $initial_section_counter = $section_co    2161     my $initial_section_counter = $section_counter;
2326     my ($orig_file) = @_;                        2162     my ($orig_file) = @_;
2327                                                  2163 
2328     $file = map_filename($orig_file);            2164     $file = map_filename($orig_file);
2329                                                  2165 
2330     if (!open(IN_FILE,"<$file")) {            !! 2166     if (!open(IN,"<$file")) {
2331         print STDERR "Error: Cannot open file !! 2167         print STDERR "Error: Cannot open file $file\n";
2332         ++$errors;                            !! 2168         ++$errors;
2333         return;                               !! 2169         return;
2334     }                                            2170     }
2335                                                  2171 
2336     $. = 1;                                      2172     $. = 1;
2337                                                  2173 
2338     $section_counter = 0;                        2174     $section_counter = 0;
2339     while (<IN_FILE>) {                       !! 2175     while (<IN>) {
2340         while (!/^ \*/ && s/\\\s*$//) {       !! 2176         while (s/\\\s*$//) {
2341             $_ .= <IN_FILE>;                  !! 2177             $_ .= <IN>;
2342         }                                     !! 2178         }
2343         # Replace tabs by spaces              !! 2179         # Replace tabs by spaces
2344         while ($_ =~ s/\t+/' ' x (length($&)     2180         while ($_ =~ s/\t+/' ' x (length($&) * 8 - length($`) % 8)/e) {};
2345         # Hand this line to the appropriate s !! 2181         # Hand this line to the appropriate state handler
2346         if ($state == STATE_NORMAL) {         !! 2182         if ($state == STATE_NORMAL) {
2347             process_normal();                 !! 2183             process_normal();
2348         } elsif ($state == STATE_NAME) {      !! 2184         } elsif ($state == STATE_NAME) {
2349             process_name($file, $_);          !! 2185             process_name($file, $_);
2350         } elsif ($state == STATE_BODY || $sta !! 2186         } elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE ||
2351                  $state == STATE_BODY_WITH_BL !! 2187                  $state == STATE_BODY_WITH_BLANK_LINE) {
2352             process_body($file, $_);          !! 2188             process_body($file, $_);
2353         } elsif ($state == STATE_INLINE) { #  !! 2189         } elsif ($state == STATE_INLINE) { # scanning for inline parameters
2354             process_inline($file, $_);        !! 2190             process_inline($file, $_);
2355         } elsif ($state == STATE_PROTO) {     !! 2191         } elsif ($state == STATE_PROTO) {
2356             process_proto($file, $_);         !! 2192             process_proto($file, $_);
2357         } elsif ($state == STATE_DOCBLOCK) {  !! 2193         } elsif ($state == STATE_DOCBLOCK) {
2358             process_docblock($file, $_);      !! 2194             process_docblock($file, $_);
2359         }                                     !! 2195         }
2360     }                                            2196     }
2361                                                  2197 
2362     # Make sure we got something interesting.    2198     # Make sure we got something interesting.
2363     if ($initial_section_counter == $section_    2199     if ($initial_section_counter == $section_counter && $
2364         output_mode ne "none") {              !! 2200         output_mode ne "none") {
2365         if ($output_selection == OUTPUT_INCLU !! 2201         if ($output_selection == OUTPUT_INCLUDE) {
2366             emit_warning("${file}:1", "'$_' n !! 2202             print STDERR "${file}:1: warning: '$_' not found\n"
2367                 for keys %function_table;     !! 2203                 for keys %function_table;
2368         } else {                              !! 2204         }
2369             emit_warning("${file}:1", "no str !! 2205         else {
2370         }                                     !! 2206             print STDERR "${file}:1: warning: no structured comments found\n";
                                                   >> 2207         }
2371     }                                            2208     }
2372     close IN_FILE;                            << 
2373 }                                                2209 }
2374                                                  2210 
2375                                                  2211 
2376 if ($output_mode eq "rst") {                  << 
2377     get_sphinx_version() if (!$sphinx_major); << 
2378 }                                             << 
2379                                               << 
2380 $kernelversion = get_kernel_version();           2212 $kernelversion = get_kernel_version();
2381                                                  2213 
2382 # generate a sequence of code that will splic    2214 # generate a sequence of code that will splice in highlighting information
2383 # using the s// operator.                        2215 # using the s// operator.
2384 for (my $k = 0; $k < @highlights; $k++) {        2216 for (my $k = 0; $k < @highlights; $k++) {
2385     my $pattern = $highlights[$k][0];            2217     my $pattern = $highlights[$k][0];
2386     my $result = $highlights[$k][1];             2218     my $result = $highlights[$k][1];
2387 #   print STDERR "scanning pattern:$pattern,     2219 #   print STDERR "scanning pattern:$pattern, highlight:($result)\n";
2388     $dohighlight .=  "\$contents =~ s:$patter    2220     $dohighlight .=  "\$contents =~ s:$pattern:$result:gs;\n";
2389 }                                                2221 }
2390                                                  2222 
2391 # Read the file that maps relative names to a    2223 # Read the file that maps relative names to absolute names for
2392 # separate source and object directories and     2224 # separate source and object directories and for shadow trees.
2393 if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {    2225 if (open(SOURCE_MAP, "<.tmp_filelist.txt")) {
2394     my ($relname, $absname);                  !! 2226         my ($relname, $absname);
2395     while(<SOURCE_MAP>) {                     !! 2227         while(<SOURCE_MAP>) {
2396         chop();                               !! 2228                 chop();
2397         ($relname, $absname) = (split())[0..1 !! 2229                 ($relname, $absname) = (split())[0..1];
2398         $relname =~ s:^/+::;                  !! 2230                 $relname =~ s:^/+::;
2399         $source_map{$relname} = $absname;     !! 2231                 $source_map{$relname} = $absname;
2400     }                                         !! 2232         }
2401     close(SOURCE_MAP);                        !! 2233         close(SOURCE_MAP);
2402 }                                                2234 }
2403                                                  2235 
2404 if ($output_selection == OUTPUT_EXPORTED ||      2236 if ($output_selection == OUTPUT_EXPORTED ||
2405     $output_selection == OUTPUT_INTERNAL) {      2237     $output_selection == OUTPUT_INTERNAL) {
2406                                                  2238 
2407     push(@export_file_list, @ARGV);              2239     push(@export_file_list, @ARGV);
2408                                                  2240 
2409     foreach (@export_file_list) {                2241     foreach (@export_file_list) {
2410         chomp;                                !! 2242         chomp;
2411         process_export_file($_);              !! 2243         process_export_file($_);
2412     }                                            2244     }
2413 }                                                2245 }
2414                                                  2246 
2415 foreach (@ARGV) {                                2247 foreach (@ARGV) {
2416     chomp;                                       2248     chomp;
2417     process_file($_);                            2249     process_file($_);
2418 }                                                2250 }
2419 if ($verbose && $errors) {                       2251 if ($verbose && $errors) {
2420     print STDERR "$errors errors\n";          !! 2252   print STDERR "$errors errors\n";
2421 }                                                2253 }
2422 if ($verbose && $warnings) {                     2254 if ($verbose && $warnings) {
2423     print STDERR "$warnings warnings\n";      !! 2255   print STDERR "$warnings warnings\n";
2424 }                                             << 
2425                                               << 
2426 if ($Werror && $warnings) {                   << 
2427     print STDERR "$warnings warnings as Error << 
2428     exit($warnings);                          << 
2429 } else {                                      << 
2430     exit($output_mode eq "none" ? 0 : $errors << 
2431 }                                                2256 }
2432                                                  2257 
2433 __END__                                       !! 2258 exit($output_mode eq "none" ? 0 : $errors);
2434                                               << 
2435 =head1 OPTIONS                                << 
2436                                               << 
2437 =head2 Output format selection (mutually excl << 
2438                                               << 
2439 =over 8                                       << 
2440                                               << 
2441 =item -man                                    << 
2442                                               << 
2443 Output troff manual page format.              << 
2444                                               << 
2445 =item -rst                                    << 
2446                                               << 
2447 Output reStructuredText format. This is the d << 
2448                                               << 
2449 =item -none                                   << 
2450                                               << 
2451 Do not output documentation, only warnings.   << 
2452                                               << 
2453 =back                                         << 
2454                                               << 
2455 =head2 Output format modifiers                << 
2456                                               << 
2457 =head3 reStructuredText only                  << 
2458                                               << 
2459 =over 8                                       << 
2460                                               << 
2461 =item -sphinx-version VERSION                 << 
2462                                               << 
2463 Use the ReST C domain dialect compatible with << 
2464                                               << 
2465 If not specified, kernel-doc will auto-detect << 
2466 found on PATH.                                << 
2467                                               << 
2468 =back                                         << 
2469                                               << 
2470 =head2 Output selection (mutually exclusive): << 
2471                                               << 
2472 =over 8                                       << 
2473                                               << 
2474 =item -export                                 << 
2475                                               << 
2476 Only output documentation for the symbols tha << 
2477 EXPORT_SYMBOL() and related macros in any inp << 
2478                                               << 
2479 =item -internal                               << 
2480                                               << 
2481 Only output documentation for the symbols tha << 
2482 EXPORT_SYMBOL() and related macros in any inp << 
2483                                               << 
2484 =item -function NAME                          << 
2485                                               << 
2486 Only output documentation for the given funct << 
2487 All other functions and DOC: sections are ign << 
2488                                               << 
2489 May be specified multiple times.              << 
2490                                               << 
2491 =item -nosymbol NAME                          << 
2492                                               << 
2493 Exclude the specified symbol from the output  << 
2494                                               << 
2495 May be specified multiple times.              << 
2496                                               << 
2497 =back                                         << 
2498                                               << 
2499 =head2 Output selection modifiers:            << 
2500                                               << 
2501 =over 8                                       << 
2502                                               << 
2503 =item -no-doc-sections                        << 
2504                                               << 
2505 Do not output DOC: sections.                  << 
2506                                               << 
2507 =item -export-file FILE                       << 
2508                                               << 
2509 Specify an additional FILE in which to look f << 
2510                                               << 
2511 To be used with -export or -internal.         << 
2512                                               << 
2513 May be specified multiple times.              << 
2514                                               << 
2515 =back                                         << 
2516                                               << 
2517 =head3 reStructuredText only                  << 
2518                                               << 
2519 =over 8                                       << 
2520                                               << 
2521 =item -enable-lineno                          << 
2522                                               << 
2523 Enable output of .. LINENO lines.             << 
2524                                               << 
2525 =back                                         << 
2526                                               << 
2527 =head2 Other parameters:                      << 
2528                                               << 
2529 =over 8                                       << 
2530                                               << 
2531 =item -h, -help                               << 
2532                                               << 
2533 Print this help.                              << 
2534                                               << 
2535 =item -v                                      << 
2536                                               << 
2537 Verbose output, more warnings and other infor << 
2538                                               << 
2539 =item -Werror                                 << 
2540                                               << 
2541 Treat warnings as errors.                     << 
2542                                               << 
2543 =back                                         << 
2544                                               << 
2545 =cut                                          << 
                                                      

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