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TOMOYO Linux Cross Reference
Linux/scripts/kernel-doc

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
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Diff markup

Differences between /scripts/kernel-doc (Version linux-6.12-rc7) and /scripts/kernel-doc (Version linux-5.11.22)


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