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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-5.1.21)


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

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