1#!/usr/bin/perl -w 2 3use strict; 4 5## Copyright (c) 1998 Michael Zucchi, All Rights Reserved ## 6## Copyright (C) 2000, 1 Tim Waugh <twaugh@redhat.com> ## 7## Copyright (C) 2001 Simon Huggins ## 8## ## 9## #define enhancements by Armin Kuster <akuster@mvista.com> ## 10## Copyright (c) 2000 MontaVista Software, Inc. ## 11## ## 12## This software falls under the GNU General Public License. ## 13## Please read the COPYING file for more information ## 14 15# w.o. 03-11-2000: added the '-filelist' option. 16 17# 18/01/2001 - Cleanups 18# Functions prototyped as foo(void) same as foo() 19# Stop eval'ing where we don't need to. 20# -- huggie@earth.li 21 22# 27/06/2001 - Allowed whitespace after initial "/**" and 23# allowed comments before function declarations. 24# -- Christian Kreibich <ck@whoop.org> 25 26# Still to do: 27# - add perldoc documentation 28# - Look more closely at some of the scarier bits :) 29 30# 26/05/2001 - Support for separate source and object trees. 31# Return error code. 32# Keith Owens <kaos@ocs.com.au> 33 34# 23/09/2001 - Added support for typedefs, structs, enums and unions 35# Support for Context section; can be terminated using empty line 36# Small fixes (like spaces vs. \s in regex) 37# -- Tim Jansen <tim@tjansen.de> 38 39 40# 41# This will read a 'c' file and scan for embedded comments in the 42# style of gnome comments (+minor extensions - see below). 43# 44 45# Note: This only supports 'c'. 46 47# usage: 48# kernel-doc [ -docbook | -html | -text | -man ] 49# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfile 50# or 51# [ -nofunction funcname [ -function funcname ...] ] c file(s)s > outputfile 52# 53# Set output format using one of -docbook -html -text or -man. Default is man. 54# 55# -function funcname 56# If set, then only generate documentation for the given function(s). All 57# other functions are ignored. 58# 59# -nofunction funcname 60# If set, then only generate documentation for the other function(s). All 61# other functions are ignored. Cannot be used with -function together 62# (yes, that's a bug -- perl hackers can fix it 8)) 63# 64# c files - list of 'c' files to process 65# 66# All output goes to stdout, with errors to stderr. 67 68# 69# format of comments. 70# In the following table, (...)? signifies optional structure. 71# (...)* signifies 0 or more structure elements 72# /** 73# * function_name(:)? (- short description)? 74# (* @parameterx: (description of parameter x)?)* 75# (* a blank line)? 76# * (Description:)? (Description of function)? 77# * (section header: (section description)? )* 78# (*)?*/ 79# 80# So .. the trivial example would be: 81# 82# /** 83# * my_function 84# **/ 85# 86# If the Description: header tag is ommitted, then there must be a blank line 87# after the last parameter specification. 88# e.g. 89# /** 90# * my_function - does my stuff 91# * @my_arg: its mine damnit 92# * 93# * Does my stuff explained. 94# */ 95# 96# or, could also use: 97# /** 98# * my_function - does my stuff 99# * @my_arg: its mine damnit 100# * Description: Does my stuff explained. 101# */ 102# etc. 103# 104# Beside functions you can also write documentation for structs, unions, 105# enums and typedefs. Instead of the function name you must write the name 106# of the declaration; the struct/union/enum/typedef must always precede 107# the name. Nesting of declarations is not supported. 108# Use the argument mechanism to document members or constants. 109# e.g. 110# /** 111# * struct my_struct - short description 112# * @a: first member 113# * @b: second member 114# * 115# * Longer description 116# */ 117# struct my_struct { 118# int a; 119# int b; 120# /* private: */ 121# int c; 122# }; 123# 124# All descriptions can be multiline, except the short function description. 125# 126# You can also add additional sections. When documenting kernel functions you 127# should document the "Context:" of the function, e.g. whether the functions 128# can be called form interrupts. Unlike other sections you can end it with an 129# empty line. 130# Example-sections should contain the string EXAMPLE so that they are marked 131# appropriately in DocBook. 132# 133# Example: 134# /** 135# * user_function - function that can only be called in user context 136# * @a: some argument 137# * Context: !in_interrupt() 138# * 139# * Some description 140# * Example: 141# * user_function(22); 142# */ 143# ... 144# 145# 146# All descriptive text is further processed, scanning for the following special 147# patterns, which are highlighted appropriately. 148# 149# 'funcname()' - function 150# '$ENVVAR' - environmental variable 151# '&struct_name' - name of a structure (up to two words including 'struct') 152# '@parameter' - name of a parameter 153# '%CONST' - name of a constant. 154 155my $errors = 0; 156my $warnings = 0; 157 158# match expressions used to find embedded type information 159my $type_constant = '\%([-_\w]+)'; 160my $type_func = '(\w+)\(\)'; 161my $type_param = '\@(\w+)'; 162my $type_struct = '\&((struct\s*)?[_\w]+)'; 163my $type_env = '(\$\w+)'; 164 165# Output conversion substitutions. 166# One for each output format 167 168# these work fairly well 169my %highlights_html = ( $type_constant, "<i>\$1</i>", 170 $type_func, "<b>\$1</b>", 171 $type_struct, "<i>\$1</i>", 172 $type_param, "<tt><b>\$1</b></tt>" ); 173my $blankline_html = "<p>"; 174 175# XML, docbook format 176my %highlights_xml = ( "([^=])\\\"([^\\\"<]+)\\\"", "\$1<quote>\$2</quote>", 177 $type_constant, "<constant>\$1</constant>", 178 $type_func, "<function>\$1</function>", 179 $type_struct, "<structname>\$1</structname>", 180 $type_env, "<envar>\$1</envar>", 181 $type_param, "<parameter>\$1</parameter>" ); 182my $blankline_xml = "</para><para>\n"; 183 184# gnome, docbook format 185my %highlights_gnome = ( $type_constant, "<replaceable class=\"option\">\$1</replaceable>", 186 $type_func, "<function>\$1</function>", 187 $type_struct, "<structname>\$1</structname>", 188 $type_env, "<envar>\$1</envar>", 189 $type_param, "<parameter>\$1</parameter>" ); 190my $blankline_gnome = "</para><para>\n"; 191 192# these are pretty rough 193my %highlights_man = ( $type_constant, "\$1", 194 $type_func, "\\\\fB\$1\\\\fP", 195 $type_struct, "\\\\fI\$1\\\\fP", 196 $type_param, "\\\\fI\$1\\\\fP" ); 197my $blankline_man = ""; 198 199# text-mode 200my %highlights_text = ( $type_constant, "\$1", 201 $type_func, "\$1", 202 $type_struct, "\$1", 203 $type_param, "\$1" ); 204my $blankline_text = ""; 205 206 207sub usage { 208 print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man ]\n"; 209 print " [ -function funcname [ -function funcname ...] ]\n"; 210 print " [ -nofunction funcname [ -nofunction funcname ...] ]\n"; 211 print " c source file(s) > outputfile\n"; 212 exit 1; 213} 214 215# read arguments 216if ($#ARGV==-1) { 217 usage(); 218} 219 220my $verbose = 0; 221my $output_mode = "man"; 222my %highlights = %highlights_man; 223my $blankline = $blankline_man; 224my $modulename = "Kernel API"; 225my $function_only = 0; 226my $man_date = ('January', 'February', 'March', 'April', 'May', 'June', 227 'July', 'August', 'September', 'October', 228 'November', 'December')[(localtime)[4]] . 229 " " . ((localtime)[5]+1900); 230 231# Essentially these are globals 232# They probably want to be tidied up made more localised or summat. 233# CAVEAT EMPTOR! Some of the others I localised may not want to be which 234# could cause "use of undefined value" or other bugs. 235my ($function, %function_table,%parametertypes,$declaration_purpose); 236my ($type,$declaration_name,$return_type); 237my ($newsection,$newcontents,$prototype,$filelist, $brcount, %source_map); 238 239# Generated docbook code is inserted in a template at a point where 240# docbook v3.1 requires a non-zero sequence of RefEntry's; see: 241# http://www.oasis-open.org/docbook/documentation/reference/html/refentry.html 242# We keep track of number of generated entries and generate a dummy 243# if needs be to ensure the expanded template can be postprocessed 244# into html. 245my $section_counter = 0; 246 247my $lineprefix=""; 248 249# states 250# 0 - normal code 251# 1 - looking for function name 252# 2 - scanning field start. 253# 3 - scanning prototype. 254# 4 - documentation block 255my $state; 256my $in_doc_sect; 257 258#declaration types: can be 259# 'function', 'struct', 'union', 'enum', 'typedef' 260my $decl_type; 261 262my $doc_special = "\@\%\$\&"; 263 264my $doc_start = '^/\*\*\s*$'; # Allow whitespace at end of comment start. 265my $doc_end = '\*/'; 266my $doc_com = '\s*\*\s*'; 267my $doc_decl = $doc_com.'(\w+)'; 268my $doc_sect = $doc_com.'(['.$doc_special.']?[\w ]+):(.*)'; 269my $doc_content = $doc_com.'(.*)'; 270my $doc_block = $doc_com.'DOC:\s*(.*)?'; 271 272my %constants; 273my %parameterdescs; 274my @parameterlist; 275my %sections; 276my @sectionlist; 277 278my $contents = ""; 279my $section_default = "Description"; # default section 280my $section_intro = "Introduction"; 281my $section = $section_default; 282my $section_context = "Context"; 283 284my $undescribed = "-- undescribed --"; 285 286reset_state(); 287 288while ($ARGV[0] =~ m/^-(.*)/) { 289 my $cmd = shift @ARGV; 290 if ($cmd eq "-html") { 291 $output_mode = "html"; 292 %highlights = %highlights_html; 293 $blankline = $blankline_html; 294 } elsif ($cmd eq "-man") { 295 $output_mode = "man"; 296 %highlights = %highlights_man; 297 $blankline = $blankline_man; 298 } elsif ($cmd eq "-text") { 299 $output_mode = "text"; 300 %highlights = %highlights_text; 301 $blankline = $blankline_text; 302 } elsif ($cmd eq "-docbook") { 303 $output_mode = "xml"; 304 %highlights = %highlights_xml; 305 $blankline = $blankline_xml; 306 } elsif ($cmd eq "-gnome") { 307 $output_mode = "gnome"; 308 %highlights = %highlights_gnome; 309 $blankline = $blankline_gnome; 310 } elsif ($cmd eq "-module") { # not needed for XML, inherits from calling document 311 $modulename = shift @ARGV; 312 } elsif ($cmd eq "-function") { # to only output specific functions 313 $function_only = 1; 314 $function = shift @ARGV; 315 $function_table{$function} = 1; 316 } elsif ($cmd eq "-nofunction") { # to only output specific functions 317 $function_only = 2; 318 $function = shift @ARGV; 319 $function_table{$function} = 1; 320 } elsif ($cmd eq "-v") { 321 $verbose = 1; 322 } elsif (($cmd eq "-h") || ($cmd eq "--help")) { 323 usage(); 324 } elsif ($cmd eq '-filelist') { 325 $filelist = shift @ARGV; 326 } 327} 328 329 330# generate a sequence of code that will splice in highlighting information 331# using the s// operator. 332my $dohighlight = ""; 333foreach my $pattern (keys %highlights) { 334# print "scanning pattern $pattern ($highlights{$pattern})\n"; 335 $dohighlight .= "\$contents =~ s:$pattern:$highlights{$pattern}:gs;\n"; 336} 337 338## 339# dumps section contents to arrays/hashes intended for that purpose. 340# 341sub dump_section { 342 my $name = shift; 343 my $contents = join "\n", @_; 344 345 if ($name =~ m/$type_constant/) { 346 $name = $1; 347# print STDERR "constant section '$1' = '$contents'\n"; 348 $constants{$name} = $contents; 349 } elsif ($name =~ m/$type_param/) { 350# print STDERR "parameter def '$1' = '$contents'\n"; 351 $name = $1; 352 $parameterdescs{$name} = $contents; 353 } else { 354# print STDERR "other section '$name' = '$contents'\n"; 355 $sections{$name} = $contents; 356 push @sectionlist, $name; 357 } 358} 359 360## 361# output function 362# 363# parameterdescs, a hash. 364# function => "function name" 365# parameterlist => @list of parameters 366# parameterdescs => %parameter descriptions 367# sectionlist => @list of sections 368# sections => %descriont descriptions 369# 370 371sub output_highlight { 372 my $contents = join "\n",@_; 373 my $line; 374 375# DEBUG 376# if (!defined $contents) { 377# use Carp; 378# confess "output_highlight got called with no args?\n"; 379# } 380 381 eval $dohighlight; 382 die $@ if $@; 383 foreach $line (split "\n", $contents) { 384 if ($line eq ""){ 385 print $lineprefix, $blankline; 386 } else { 387 $line =~ s/\\\\\\/\&/g; 388 print $lineprefix, $line; 389 } 390 print "\n"; 391 } 392} 393 394#output sections in html 395sub output_section_html(%) { 396 my %args = %{$_[0]}; 397 my $section; 398 399 foreach $section (@{$args{'sectionlist'}}) { 400 print "<h3>$section</h3>\n"; 401 print "<blockquote>\n"; 402 output_highlight($args{'sections'}{$section}); 403 print "</blockquote>\n"; 404 } 405} 406 407# output enum in html 408sub output_enum_html(%) { 409 my %args = %{$_[0]}; 410 my ($parameter); 411 my $count; 412 print "<h2>enum ".$args{'enum'}."</h2>\n"; 413 414 print "<b>enum ".$args{'enum'}."</b> {<br>\n"; 415 $count = 0; 416 foreach $parameter (@{$args{'parameterlist'}}) { 417 print " <b>".$parameter."</b>"; 418 if ($count != $#{$args{'parameterlist'}}) { 419 $count++; 420 print ",\n"; 421 } 422 print "<br>"; 423 } 424 print "};<br>\n"; 425 426 print "<h3>Constants</h3>\n"; 427 print "<dl>\n"; 428 foreach $parameter (@{$args{'parameterlist'}}) { 429 print "<dt><b>".$parameter."</b>\n"; 430 print "<dd>"; 431 output_highlight($args{'parameterdescs'}{$parameter}); 432 } 433 print "</dl>\n"; 434 output_section_html(@_); 435 print "<hr>\n"; 436} 437 438# output typedef in html 439sub output_typedef_html(%) { 440 my %args = %{$_[0]}; 441 my ($parameter); 442 my $count; 443 print "<h2>typedef ".$args{'typedef'}."</h2>\n"; 444 445 print "<b>typedef ".$args{'typedef'}."</b>\n"; 446 output_section_html(@_); 447 print "<hr>\n"; 448} 449 450# output struct in html 451sub output_struct_html(%) { 452 my %args = %{$_[0]}; 453 my ($parameter); 454 455 print "<h2>".$args{'type'}." ".$args{'struct'}."</h2>\n"; 456 print "<b>".$args{'type'}." ".$args{'struct'}."</b> {<br>\n"; 457 foreach $parameter (@{$args{'parameterlist'}}) { 458 if ($parameter =~ /^#/) { 459 print "$parameter<br>\n"; 460 next; 461 } 462 my $parameter_name = $parameter; 463 $parameter_name =~ s/\[.*//; 464 465 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 466 $type = $args{'parametertypes'}{$parameter}; 467 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 468 # pointer-to-function 469 print " <i>$1</i><b>$parameter</b>) <i>($2)</i>;<br>\n"; 470 } elsif ($type =~ m/^(.*?)\s*(:.*)/) { 471 print " <i>$1</i> <b>$parameter</b>$2;<br>\n"; 472 } else { 473 print " <i>$type</i> <b>$parameter</b>;<br>\n"; 474 } 475 } 476 print "};<br>\n"; 477 478 print "<h3>Members</h3>\n"; 479 print "<dl>\n"; 480 foreach $parameter (@{$args{'parameterlist'}}) { 481 ($parameter =~ /^#/) && next; 482 483 my $parameter_name = $parameter; 484 $parameter_name =~ s/\[.*//; 485 486 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 487 print "<dt><b>".$parameter."</b>\n"; 488 print "<dd>"; 489 output_highlight($args{'parameterdescs'}{$parameter_name}); 490 } 491 print "</dl>\n"; 492 output_section_html(@_); 493 print "<hr>\n"; 494} 495 496# output function in html 497sub output_function_html(%) { 498 my %args = %{$_[0]}; 499 my ($parameter, $section); 500 my $count; 501 print "<h2>Function</h2>\n"; 502 503 print "<i>".$args{'functiontype'}."</i>\n"; 504 print "<b>".$args{'function'}."</b>\n"; 505 print "("; 506 $count = 0; 507 foreach $parameter (@{$args{'parameterlist'}}) { 508 $type = $args{'parametertypes'}{$parameter}; 509 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 510 # pointer-to-function 511 print "<i>$1</i><b>$parameter</b>) <i>($2)</i>"; 512 } else { 513 print "<i>".$type."</i> <b>".$parameter."</b>"; 514 } 515 if ($count != $#{$args{'parameterlist'}}) { 516 $count++; 517 print ",\n"; 518 } 519 } 520 print ")\n"; 521 522 print "<h3>Arguments</h3>\n"; 523 print "<dl>\n"; 524 foreach $parameter (@{$args{'parameterlist'}}) { 525 my $parameter_name = $parameter; 526 $parameter_name =~ s/\[.*//; 527 528 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 529 print "<dt><b>".$parameter."</b>\n"; 530 print "<dd>"; 531 output_highlight($args{'parameterdescs'}{$parameter_name}); 532 } 533 print "</dl>\n"; 534 output_section_html(@_); 535 print "<hr>\n"; 536} 537 538# output intro in html 539sub output_intro_html(%) { 540 my %args = %{$_[0]}; 541 my ($parameter, $section); 542 my $count; 543 544 foreach $section (@{$args{'sectionlist'}}) { 545 print "<h3>$section</h3>\n"; 546 print "<ul>\n"; 547 output_highlight($args{'sections'}{$section}); 548 print "</ul>\n"; 549 } 550 print "<hr>\n"; 551} 552 553sub output_section_xml(%) { 554 my %args = %{$_[0]}; 555 my $section; 556 # print out each section 557 $lineprefix=" "; 558 foreach $section (@{$args{'sectionlist'}}) { 559 print "<refsect1>\n"; 560 print "<title>$section</title>\n"; 561 if ($section =~ m/EXAMPLE/i) { 562 print "<informalexample><programlisting>\n"; 563 } else { 564 print "<para>\n"; 565 } 566 output_highlight($args{'sections'}{$section}); 567 if ($section =~ m/EXAMPLE/i) { 568 print "</programlisting></informalexample>\n"; 569 } else { 570 print "</para>\n"; 571 } 572 print "</refsect1>\n"; 573 } 574} 575 576# output function in XML DocBook 577sub output_function_xml(%) { 578 my %args = %{$_[0]}; 579 my ($parameter, $section); 580 my $count; 581 my $id; 582 583 $id = "API-".$args{'function'}; 584 $id =~ s/[^A-Za-z0-9]/-/g; 585 586 print "<refentry>\n"; 587 print "<refentryinfo>\n"; 588 print " <title>LINUX</title>\n"; 589 print " <productname>Kernel Hackers Manual</productname>\n"; 590 print " <date>$man_date</date>\n"; 591 print "</refentryinfo>\n"; 592 print "<refmeta>\n"; 593 print " <refentrytitle><phrase id=\"$id\">".$args{'function'}."</phrase></refentrytitle>\n"; 594 print " <manvolnum>9</manvolnum>\n"; 595 print "</refmeta>\n"; 596 print "<refnamediv>\n"; 597 print " <refname>".$args{'function'}."</refname>\n"; 598 print " <refpurpose>\n"; 599 print " "; 600 output_highlight ($args{'purpose'}); 601 print " </refpurpose>\n"; 602 print "</refnamediv>\n"; 603 604 print "<refsynopsisdiv>\n"; 605 print " <title>Synopsis</title>\n"; 606 print " <funcsynopsis><funcprototype>\n"; 607 print " <funcdef>".$args{'functiontype'}." "; 608 print "<function>".$args{'function'}." </function></funcdef>\n"; 609 610 $count = 0; 611 if ($#{$args{'parameterlist'}} >= 0) { 612 foreach $parameter (@{$args{'parameterlist'}}) { 613 $type = $args{'parametertypes'}{$parameter}; 614 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 615 # pointer-to-function 616 print " <paramdef>$1<parameter>$parameter</parameter>)\n"; 617 print " <funcparams>$2</funcparams></paramdef>\n"; 618 } else { 619 print " <paramdef>".$type; 620 print " <parameter>$parameter</parameter></paramdef>\n"; 621 } 622 } 623 } else { 624 print " <void/>\n"; 625 } 626 print " </funcprototype></funcsynopsis>\n"; 627 print "</refsynopsisdiv>\n"; 628 629 # print parameters 630 print "<refsect1>\n <title>Arguments</title>\n"; 631 if ($#{$args{'parameterlist'}} >= 0) { 632 print " <variablelist>\n"; 633 foreach $parameter (@{$args{'parameterlist'}}) { 634 my $parameter_name = $parameter; 635 $parameter_name =~ s/\[.*//; 636 637 print " <varlistentry>\n <term><parameter>$parameter</parameter></term>\n"; 638 print " <listitem>\n <para>\n"; 639 $lineprefix=" "; 640 output_highlight($args{'parameterdescs'}{$parameter_name}); 641 print " </para>\n </listitem>\n </varlistentry>\n"; 642 } 643 print " </variablelist>\n"; 644 } else { 645 print " <para>\n None\n </para>\n"; 646 } 647 print "</refsect1>\n"; 648 649 output_section_xml(@_); 650 print "</refentry>\n\n"; 651} 652 653# output struct in XML DocBook 654sub output_struct_xml(%) { 655 my %args = %{$_[0]}; 656 my ($parameter, $section); 657 my $id; 658 659 $id = "API-struct-".$args{'struct'}; 660 $id =~ s/[^A-Za-z0-9]/-/g; 661 662 print "<refentry>\n"; 663 print "<refentryinfo>\n"; 664 print " <title>LINUX</title>\n"; 665 print " <productname>Kernel Hackers Manual</productname>\n"; 666 print " <date>$man_date</date>\n"; 667 print "</refentryinfo>\n"; 668 print "<refmeta>\n"; 669 print " <refentrytitle><phrase id=\"$id\">".$args{'type'}." ".$args{'struct'}."</phrase></refentrytitle>\n"; 670 print " <manvolnum>9</manvolnum>\n"; 671 print "</refmeta>\n"; 672 print "<refnamediv>\n"; 673 print " <refname>".$args{'type'}." ".$args{'struct'}."</refname>\n"; 674 print " <refpurpose>\n"; 675 print " "; 676 output_highlight ($args{'purpose'}); 677 print " </refpurpose>\n"; 678 print "</refnamediv>\n"; 679 680 print "<refsynopsisdiv>\n"; 681 print " <title>Synopsis</title>\n"; 682 print " <programlisting>\n"; 683 print $args{'type'}." ".$args{'struct'}." {\n"; 684 foreach $parameter (@{$args{'parameterlist'}}) { 685 if ($parameter =~ /^#/) { 686 print "$parameter\n"; 687 next; 688 } 689 690 my $parameter_name = $parameter; 691 $parameter_name =~ s/\[.*//; 692 693 defined($args{'parameterdescs'}{$parameter_name}) || next; 694 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 695 $type = $args{'parametertypes'}{$parameter}; 696 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 697 # pointer-to-function 698 print " $1 $parameter) ($2);\n"; 699 } elsif ($type =~ m/^(.*?)\s*(:.*)/) { 700 print " $1 $parameter$2;\n"; 701 } else { 702 print " ".$type." ".$parameter.";\n"; 703 } 704 } 705 print "};"; 706 print " </programlisting>\n"; 707 print "</refsynopsisdiv>\n"; 708 709 print " <refsect1>\n"; 710 print " <title>Members</title>\n"; 711 712 print " <variablelist>\n"; 713 foreach $parameter (@{$args{'parameterlist'}}) { 714 ($parameter =~ /^#/) && next; 715 716 my $parameter_name = $parameter; 717 $parameter_name =~ s/\[.*//; 718 719 defined($args{'parameterdescs'}{$parameter_name}) || next; 720 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 721 print " <varlistentry>"; 722 print " <term>$parameter</term>\n"; 723 print " <listitem><para>\n"; 724 output_highlight($args{'parameterdescs'}{$parameter_name}); 725 print " </para></listitem>\n"; 726 print " </varlistentry>\n"; 727 } 728 print " </variablelist>\n"; 729 print " </refsect1>\n"; 730 731 output_section_xml(@_); 732 733 print "</refentry>\n\n"; 734} 735 736# output enum in XML DocBook 737sub output_enum_xml(%) { 738 my %args = %{$_[0]}; 739 my ($parameter, $section); 740 my $count; 741 my $id; 742 743 $id = "API-enum-".$args{'enum'}; 744 $id =~ s/[^A-Za-z0-9]/-/g; 745 746 print "<refentry>\n"; 747 print "<refentryinfo>\n"; 748 print " <title>LINUX</title>\n"; 749 print " <productname>Kernel Hackers Manual</productname>\n"; 750 print " <date>$man_date</date>\n"; 751 print "</refentryinfo>\n"; 752 print "<refmeta>\n"; 753 print " <refentrytitle><phrase id=\"$id\">enum ".$args{'enum'}."</phrase></refentrytitle>\n"; 754 print " <manvolnum>9</manvolnum>\n"; 755 print "</refmeta>\n"; 756 print "<refnamediv>\n"; 757 print " <refname>enum ".$args{'enum'}."</refname>\n"; 758 print " <refpurpose>\n"; 759 print " "; 760 output_highlight ($args{'purpose'}); 761 print " </refpurpose>\n"; 762 print "</refnamediv>\n"; 763 764 print "<refsynopsisdiv>\n"; 765 print " <title>Synopsis</title>\n"; 766 print " <programlisting>\n"; 767 print "enum ".$args{'enum'}." {\n"; 768 $count = 0; 769 foreach $parameter (@{$args{'parameterlist'}}) { 770 print " $parameter"; 771 if ($count != $#{$args{'parameterlist'}}) { 772 $count++; 773 print ","; 774 } 775 print "\n"; 776 } 777 print "};"; 778 print " </programlisting>\n"; 779 print "</refsynopsisdiv>\n"; 780 781 print "<refsect1>\n"; 782 print " <title>Constants</title>\n"; 783 print " <variablelist>\n"; 784 foreach $parameter (@{$args{'parameterlist'}}) { 785 my $parameter_name = $parameter; 786 $parameter_name =~ s/\[.*//; 787 788 print " <varlistentry>"; 789 print " <term>$parameter</term>\n"; 790 print " <listitem><para>\n"; 791 output_highlight($args{'parameterdescs'}{$parameter_name}); 792 print " </para></listitem>\n"; 793 print " </varlistentry>\n"; 794 } 795 print " </variablelist>\n"; 796 print "</refsect1>\n"; 797 798 output_section_xml(@_); 799 800 print "</refentry>\n\n"; 801} 802 803# output typedef in XML DocBook 804sub output_typedef_xml(%) { 805 my %args = %{$_[0]}; 806 my ($parameter, $section); 807 my $id; 808 809 $id = "API-typedef-".$args{'typedef'}; 810 $id =~ s/[^A-Za-z0-9]/-/g; 811 812 print "<refentry>\n"; 813 print "<refentryinfo>\n"; 814 print " <title>LINUX</title>\n"; 815 print " <productname>Kernel Hackers Manual</productname>\n"; 816 print " <date>$man_date</date>\n"; 817 print "</refentryinfo>\n"; 818 print "<refmeta>\n"; 819 print " <refentrytitle><phrase id=\"$id\">typedef ".$args{'typedef'}."</phrase></refentrytitle>\n"; 820 print " <manvolnum>9</manvolnum>\n"; 821 print "</refmeta>\n"; 822 print "<refnamediv>\n"; 823 print " <refname>typedef ".$args{'typedef'}."</refname>\n"; 824 print " <refpurpose>\n"; 825 print " "; 826 output_highlight ($args{'purpose'}); 827 print " </refpurpose>\n"; 828 print "</refnamediv>\n"; 829 830 print "<refsynopsisdiv>\n"; 831 print " <title>Synopsis</title>\n"; 832 print " <synopsis>typedef ".$args{'typedef'}.";</synopsis>\n"; 833 print "</refsynopsisdiv>\n"; 834 835 output_section_xml(@_); 836 837 print "</refentry>\n\n"; 838} 839 840# output in XML DocBook 841sub output_intro_xml(%) { 842 my %args = %{$_[0]}; 843 my ($parameter, $section); 844 my $count; 845 846 my $id = $args{'module'}; 847 $id =~ s/[^A-Za-z0-9]/-/g; 848 849 # print out each section 850 $lineprefix=" "; 851 foreach $section (@{$args{'sectionlist'}}) { 852 print "<refsect1>\n <title>$section</title>\n <para>\n"; 853 if ($section =~ m/EXAMPLE/i) { 854 print "<example><para>\n"; 855 } 856 output_highlight($args{'sections'}{$section}); 857 if ($section =~ m/EXAMPLE/i) { 858 print "</para></example>\n"; 859 } 860 print " </para>\n</refsect1>\n"; 861 } 862 863 print "\n\n"; 864} 865 866# output in XML DocBook 867sub output_function_gnome { 868 my %args = %{$_[0]}; 869 my ($parameter, $section); 870 my $count; 871 my $id; 872 873 $id = $args{'module'}."-".$args{'function'}; 874 $id =~ s/[^A-Za-z0-9]/-/g; 875 876 print "<sect2>\n"; 877 print " <title id=\"$id\">".$args{'function'}."</title>\n"; 878 879 print " <funcsynopsis>\n"; 880 print " <funcdef>".$args{'functiontype'}." "; 881 print "<function>".$args{'function'}." "; 882 print "</function></funcdef>\n"; 883 884 $count = 0; 885 if ($#{$args{'parameterlist'}} >= 0) { 886 foreach $parameter (@{$args{'parameterlist'}}) { 887 $type = $args{'parametertypes'}{$parameter}; 888 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 889 # pointer-to-function 890 print " <paramdef>$1 <parameter>$parameter</parameter>)\n"; 891 print " <funcparams>$2</funcparams></paramdef>\n"; 892 } else { 893 print " <paramdef>".$type; 894 print " <parameter>$parameter</parameter></paramdef>\n"; 895 } 896 } 897 } else { 898 print " <void>\n"; 899 } 900 print " </funcsynopsis>\n"; 901 if ($#{$args{'parameterlist'}} >= 0) { 902 print " <informaltable pgwide=\"1\" frame=\"none\" role=\"params\">\n"; 903 print "<tgroup cols=\"2\">\n"; 904 print "<colspec colwidth=\"2*\">\n"; 905 print "<colspec colwidth=\"8*\">\n"; 906 print "<tbody>\n"; 907 foreach $parameter (@{$args{'parameterlist'}}) { 908 my $parameter_name = $parameter; 909 $parameter_name =~ s/\[.*//; 910 911 print " <row><entry align=\"right\"><parameter>$parameter</parameter></entry>\n"; 912 print " <entry>\n"; 913 $lineprefix=" "; 914 output_highlight($args{'parameterdescs'}{$parameter_name}); 915 print " </entry></row>\n"; 916 } 917 print " </tbody></tgroup></informaltable>\n"; 918 } else { 919 print " <para>\n None\n </para>\n"; 920 } 921 922 # print out each section 923 $lineprefix=" "; 924 foreach $section (@{$args{'sectionlist'}}) { 925 print "<simplesect>\n <title>$section</title>\n"; 926 if ($section =~ m/EXAMPLE/i) { 927 print "<example><programlisting>\n"; 928 } else { 929 } 930 print "<para>\n"; 931 output_highlight($args{'sections'}{$section}); 932 print "</para>\n"; 933 if ($section =~ m/EXAMPLE/i) { 934 print "</programlisting></example>\n"; 935 } else { 936 } 937 print " </simplesect>\n"; 938 } 939 940 print "</sect2>\n\n"; 941} 942 943## 944# output function in man 945sub output_function_man(%) { 946 my %args = %{$_[0]}; 947 my ($parameter, $section); 948 my $count; 949 950 print ".TH \"$args{'function'}\" 9 \"$args{'function'}\" \"$man_date\" \"Kernel Hacker's Manual\" LINUX\n"; 951 952 print ".SH NAME\n"; 953 print $args{'function'}." \\- ".$args{'purpose'}."\n"; 954 955 print ".SH SYNOPSIS\n"; 956 print ".B \"".$args{'functiontype'}."\" ".$args{'function'}."\n"; 957 $count = 0; 958 my $parenth = "("; 959 my $post = ","; 960 foreach my $parameter (@{$args{'parameterlist'}}) { 961 if ($count == $#{$args{'parameterlist'}}) { 962 $post = ");"; 963 } 964 $type = $args{'parametertypes'}{$parameter}; 965 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 966 # pointer-to-function 967 print ".BI \"".$parenth.$1."\" ".$parameter." \") (".$2.")".$post."\"\n"; 968 } else { 969 $type =~ s/([^\*])$/$1 /; 970 print ".BI \"".$parenth.$type."\" ".$parameter." \"".$post."\"\n"; 971 } 972 $count++; 973 $parenth = ""; 974 } 975 976 print ".SH ARGUMENTS\n"; 977 foreach $parameter (@{$args{'parameterlist'}}) { 978 my $parameter_name = $parameter; 979 $parameter_name =~ s/\[.*//; 980 981 print ".IP \"".$parameter."\" 12\n"; 982 output_highlight($args{'parameterdescs'}{$parameter_name}); 983 } 984 foreach $section (@{$args{'sectionlist'}}) { 985 print ".SH \"", uc $section, "\"\n"; 986 output_highlight($args{'sections'}{$section}); 987 } 988} 989 990## 991# output enum in man 992sub output_enum_man(%) { 993 my %args = %{$_[0]}; 994 my ($parameter, $section); 995 my $count; 996 997 print ".TH \"$args{'module'}\" 9 \"enum $args{'enum'}\" \"$man_date\" \"API Manual\" LINUX\n"; 998 999 print ".SH NAME\n"; 1000 print "enum ".$args{'enum'}." \\- ".$args{'purpose'}."\n"; 1001 1002 print ".SH SYNOPSIS\n"; 1003 print "enum ".$args{'enum'}." {\n"; 1004 $count = 0; 1005 foreach my $parameter (@{$args{'parameterlist'}}) { 1006 print ".br\n.BI \" $parameter\"\n"; 1007 if ($count == $#{$args{'parameterlist'}}) { 1008 print "\n};\n"; 1009 last; 1010 } 1011 else { 1012 print ", \n.br\n"; 1013 } 1014 $count++; 1015 } 1016 1017 print ".SH Constants\n"; 1018 foreach $parameter (@{$args{'parameterlist'}}) { 1019 my $parameter_name = $parameter; 1020 $parameter_name =~ s/\[.*//; 1021 1022 print ".IP \"".$parameter."\" 12\n"; 1023 output_highlight($args{'parameterdescs'}{$parameter_name}); 1024 } 1025 foreach $section (@{$args{'sectionlist'}}) { 1026 print ".SH \"$section\"\n"; 1027 output_highlight($args{'sections'}{$section}); 1028 } 1029} 1030 1031## 1032# output struct in man 1033sub output_struct_man(%) { 1034 my %args = %{$_[0]}; 1035 my ($parameter, $section); 1036 1037 print ".TH \"$args{'module'}\" 9 \"".$args{'type'}." ".$args{'struct'}."\" \"$man_date\" \"API Manual\" LINUX\n"; 1038 1039 print ".SH NAME\n"; 1040 print $args{'type'}." ".$args{'struct'}." \\- ".$args{'purpose'}."\n"; 1041 1042 print ".SH SYNOPSIS\n"; 1043 print $args{'type'}." ".$args{'struct'}." {\n.br\n"; 1044 1045 foreach my $parameter (@{$args{'parameterlist'}}) { 1046 if ($parameter =~ /^#/) { 1047 print ".BI \"$parameter\"\n.br\n"; 1048 next; 1049 } 1050 my $parameter_name = $parameter; 1051 $parameter_name =~ s/\[.*//; 1052 1053 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 1054 $type = $args{'parametertypes'}{$parameter}; 1055 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 1056 # pointer-to-function 1057 print ".BI \" ".$1."\" ".$parameter." \") (".$2.")"."\"\n;\n"; 1058 } elsif ($type =~ m/^(.*?)\s*(:.*)/) { 1059 # bitfield 1060 print ".BI \" ".$1."\ \" ".$parameter.$2." \""."\"\n;\n"; 1061 } else { 1062 $type =~ s/([^\*])$/$1 /; 1063 print ".BI \" ".$type."\" ".$parameter." \""."\"\n;\n"; 1064 } 1065 print "\n.br\n"; 1066 } 1067 print "};\n.br\n"; 1068 1069 print ".SH Members\n"; 1070 foreach $parameter (@{$args{'parameterlist'}}) { 1071 ($parameter =~ /^#/) && next; 1072 1073 my $parameter_name = $parameter; 1074 $parameter_name =~ s/\[.*//; 1075 1076 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 1077 print ".IP \"".$parameter."\" 12\n"; 1078 output_highlight($args{'parameterdescs'}{$parameter_name}); 1079 } 1080 foreach $section (@{$args{'sectionlist'}}) { 1081 print ".SH \"$section\"\n"; 1082 output_highlight($args{'sections'}{$section}); 1083 } 1084} 1085 1086## 1087# output typedef in man 1088sub output_typedef_man(%) { 1089 my %args = %{$_[0]}; 1090 my ($parameter, $section); 1091 1092 print ".TH \"$args{'module'}\" 9 \"$args{'typedef'}\" \"$man_date\" \"API Manual\" LINUX\n"; 1093 1094 print ".SH NAME\n"; 1095 print "typedef ".$args{'typedef'}." \\- ".$args{'purpose'}."\n"; 1096 1097 foreach $section (@{$args{'sectionlist'}}) { 1098 print ".SH \"$section\"\n"; 1099 output_highlight($args{'sections'}{$section}); 1100 } 1101} 1102 1103sub output_intro_man(%) { 1104 my %args = %{$_[0]}; 1105 my ($parameter, $section); 1106 my $count; 1107 1108 print ".TH \"$args{'module'}\" 9 \"$args{'module'}\" \"$man_date\" \"API Manual\" LINUX\n"; 1109 1110 foreach $section (@{$args{'sectionlist'}}) { 1111 print ".SH \"$section\"\n"; 1112 output_highlight($args{'sections'}{$section}); 1113 } 1114} 1115 1116## 1117# output in text 1118sub output_function_text(%) { 1119 my %args = %{$_[0]}; 1120 my ($parameter, $section); 1121 1122 print "Name:\n\n"; 1123 print $args{'function'}." - ".$args{'purpose'}."\n"; 1124 1125 print "\nSynopsis:\n\n"; 1126 my $start=$args{'functiontype'}." ".$args{'function'}." ("; 1127 print $start; 1128 my $count = 0; 1129 foreach my $parameter (@{$args{'parameterlist'}}) { 1130 $type = $args{'parametertypes'}{$parameter}; 1131 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 1132 # pointer-to-function 1133 print $1.$parameter.") (".$2; 1134 } else { 1135 print $type." ".$parameter; 1136 } 1137 if ($count != $#{$args{'parameterlist'}}) { 1138 $count++; 1139 print ",\n"; 1140 print " " x length($start); 1141 } else { 1142 print ");\n\n"; 1143 } 1144 } 1145 1146 print "Arguments:\n\n"; 1147 foreach $parameter (@{$args{'parameterlist'}}) { 1148 my $parameter_name = $parameter; 1149 $parameter_name =~ s/\[.*//; 1150 1151 print $parameter."\n\t".$args{'parameterdescs'}{$parameter_name}."\n"; 1152 } 1153 output_section_text(@_); 1154} 1155 1156#output sections in text 1157sub output_section_text(%) { 1158 my %args = %{$_[0]}; 1159 my $section; 1160 1161 print "\n"; 1162 foreach $section (@{$args{'sectionlist'}}) { 1163 print "$section:\n\n"; 1164 output_highlight($args{'sections'}{$section}); 1165 } 1166 print "\n\n"; 1167} 1168 1169# output enum in text 1170sub output_enum_text(%) { 1171 my %args = %{$_[0]}; 1172 my ($parameter); 1173 my $count; 1174 print "Enum:\n\n"; 1175 1176 print "enum ".$args{'enum'}." - ".$args{'purpose'}."\n\n"; 1177 print "enum ".$args{'enum'}." {\n"; 1178 $count = 0; 1179 foreach $parameter (@{$args{'parameterlist'}}) { 1180 print "\t$parameter"; 1181 if ($count != $#{$args{'parameterlist'}}) { 1182 $count++; 1183 print ","; 1184 } 1185 print "\n"; 1186 } 1187 print "};\n\n"; 1188 1189 print "Constants:\n\n"; 1190 foreach $parameter (@{$args{'parameterlist'}}) { 1191 print "$parameter\n\t"; 1192 print $args{'parameterdescs'}{$parameter}."\n"; 1193 } 1194 1195 output_section_text(@_); 1196} 1197 1198# output typedef in text 1199sub output_typedef_text(%) { 1200 my %args = %{$_[0]}; 1201 my ($parameter); 1202 my $count; 1203 print "Typedef:\n\n"; 1204 1205 print "typedef ".$args{'typedef'}." - ".$args{'purpose'}."\n"; 1206 output_section_text(@_); 1207} 1208 1209# output struct as text 1210sub output_struct_text(%) { 1211 my %args = %{$_[0]}; 1212 my ($parameter); 1213 1214 print $args{'type'}." ".$args{'struct'}." - ".$args{'purpose'}."\n\n"; 1215 print $args{'type'}." ".$args{'struct'}." {\n"; 1216 foreach $parameter (@{$args{'parameterlist'}}) { 1217 if ($parameter =~ /^#/) { 1218 print "$parameter\n"; 1219 next; 1220 } 1221 1222 my $parameter_name = $parameter; 1223 $parameter_name =~ s/\[.*//; 1224 1225 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 1226 $type = $args{'parametertypes'}{$parameter}; 1227 if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) { 1228 # pointer-to-function 1229 print "\t$1 $parameter) ($2);\n"; 1230 } elsif ($type =~ m/^(.*?)\s*(:.*)/) { 1231 print "\t$1 $parameter$2;\n"; 1232 } else { 1233 print "\t".$type." ".$parameter.";\n"; 1234 } 1235 } 1236 print "};\n\n"; 1237 1238 print "Members:\n\n"; 1239 foreach $parameter (@{$args{'parameterlist'}}) { 1240 ($parameter =~ /^#/) && next; 1241 1242 my $parameter_name = $parameter; 1243 $parameter_name =~ s/\[.*//; 1244 1245 ($args{'parameterdescs'}{$parameter_name} ne $undescribed) || next; 1246 print "$parameter\n\t"; 1247 print $args{'parameterdescs'}{$parameter_name}."\n"; 1248 } 1249 print "\n"; 1250 output_section_text(@_); 1251} 1252 1253sub output_intro_text(%) { 1254 my %args = %{$_[0]}; 1255 my ($parameter, $section); 1256 1257 foreach $section (@{$args{'sectionlist'}}) { 1258 print " $section:\n"; 1259 print " -> "; 1260 output_highlight($args{'sections'}{$section}); 1261 } 1262} 1263 1264## 1265# generic output function for typedefs 1266sub output_declaration { 1267 no strict 'refs'; 1268 my $name = shift; 1269 my $functype = shift; 1270 my $func = "output_${functype}_$output_mode"; 1271 if (($function_only==0) || 1272 ( $function_only == 1 && defined($function_table{$name})) || 1273 ( $function_only == 2 && !defined($function_table{$name}))) 1274 { 1275 &$func(@_); 1276 $section_counter++; 1277 } 1278} 1279 1280## 1281# generic output function - calls the right one based 1282# on current output mode. 1283sub output_intro { 1284 no strict 'refs'; 1285 my $func = "output_intro_".$output_mode; 1286 &$func(@_); 1287 $section_counter++; 1288} 1289 1290## 1291# takes a declaration (struct, union, enum, typedef) and 1292# invokes the right handler. NOT called for functions. 1293sub dump_declaration($$) { 1294 no strict 'refs'; 1295 my ($prototype, $file) = @_; 1296 my $func = "dump_".$decl_type; 1297 &$func(@_); 1298} 1299 1300sub dump_union($$) { 1301 dump_struct(@_); 1302} 1303 1304sub dump_struct($$) { 1305 my $x = shift; 1306 my $file = shift; 1307 1308 if ($x =~/(struct|union)\s+(\w+)\s*{(.*)}/) { 1309 $declaration_name = $2; 1310 my $members = $3; 1311 1312 # ignore embedded structs or unions 1313 $members =~ s/{.*?}//g; 1314 1315 # ignore members marked private: 1316 $members =~ s/\/\*.*?private:.*?public:.*?\*\///gos; 1317 $members =~ s/\/\*.*?private:.*//gos; 1318 # strip comments: 1319 $members =~ s/\/\*.*?\*\///gos; 1320 1321 create_parameterlist($members, ';', $file); 1322 1323 output_declaration($declaration_name, 1324 'struct', 1325 {'struct' => $declaration_name, 1326 'module' => $modulename, 1327 'parameterlist' => \@parameterlist, 1328 'parameterdescs' => \%parameterdescs, 1329 'parametertypes' => \%parametertypes, 1330 'sectionlist' => \@sectionlist, 1331 'sections' => \%sections, 1332 'purpose' => $declaration_purpose, 1333 'type' => $decl_type 1334 }); 1335 } 1336 else { 1337 print STDERR "Error(${file}:$.): Cannot parse struct or union!\n"; 1338 ++$errors; 1339 } 1340} 1341 1342sub dump_enum($$) { 1343 my $x = shift; 1344 my $file = shift; 1345 1346 $x =~ s@/\*.*?\*/@@gos; # strip comments. 1347 if ($x =~ /enum\s+(\w+)\s*{(.*)}/) { 1348 $declaration_name = $1; 1349 my $members = $2; 1350 1351 foreach my $arg (split ',', $members) { 1352 $arg =~ s/^\s*(\w+).*/$1/; 1353 push @parameterlist, $arg; 1354 if (!$parameterdescs{$arg}) { 1355 $parameterdescs{$arg} = $undescribed; 1356 print STDERR "Warning(${file}:$.): Enum value '$arg' ". 1357 "not described in enum '$declaration_name'\n"; 1358 } 1359 1360 } 1361 1362 output_declaration($declaration_name, 1363 'enum', 1364 {'enum' => $declaration_name, 1365 'module' => $modulename, 1366 'parameterlist' => \@parameterlist, 1367 'parameterdescs' => \%parameterdescs, 1368 'sectionlist' => \@sectionlist, 1369 'sections' => \%sections, 1370 'purpose' => $declaration_purpose 1371 }); 1372 } 1373 else { 1374 print STDERR "Error(${file}:$.): Cannot parse enum!\n"; 1375 ++$errors; 1376 } 1377} 1378 1379sub dump_typedef($$) { 1380 my $x = shift; 1381 my $file = shift; 1382 1383 $x =~ s@/\*.*?\*/@@gos; # strip comments. 1384 while (($x =~ /\(*.\)\s*;$/) || ($x =~ /\[*.\]\s*;$/)) { 1385 $x =~ s/\(*.\)\s*;$/;/; 1386 $x =~ s/\[*.\]\s*;$/;/; 1387 } 1388 1389 if ($x =~ /typedef.*\s+(\w+)\s*;/) { 1390 $declaration_name = $1; 1391 1392 output_declaration($declaration_name, 1393 'typedef', 1394 {'typedef' => $declaration_name, 1395 'module' => $modulename, 1396 'sectionlist' => \@sectionlist, 1397 'sections' => \%sections, 1398 'purpose' => $declaration_purpose 1399 }); 1400 } 1401 else { 1402 print STDERR "Error(${file}:$.): Cannot parse typedef!\n"; 1403 ++$errors; 1404 } 1405} 1406 1407sub create_parameterlist($$$) { 1408 my $args = shift; 1409 my $splitter = shift; 1410 my $file = shift; 1411 my $type; 1412 my $param; 1413 1414 # temporarily replace commas inside function pointer definition 1415 while ($args =~ /(\([^\),]+),/) { 1416 $args =~ s/(\([^\),]+),/$1#/g; 1417 } 1418 1419 foreach my $arg (split($splitter, $args)) { 1420 # strip comments 1421 $arg =~ s/\/\*.*\*\///; 1422 # strip leading/trailing spaces 1423 $arg =~ s/^\s*//; 1424 $arg =~ s/\s*$//; 1425 $arg =~ s/\s+/ /; 1426 1427 if ($arg =~ /^#/) { 1428 # Treat preprocessor directive as a typeless variable just to fill 1429 # corresponding data structures "correctly". Catch it later in 1430 # output_* subs. 1431 push_parameter($arg, "", $file); 1432 } elsif ($arg =~ m/\(/) { 1433 # pointer-to-function 1434 $arg =~ tr/#/,/; 1435 $arg =~ m/[^\(]+\(\*([^\)]+)\)/; 1436 $param = $1; 1437 $type = $arg; 1438 $type =~ s/([^\(]+\(\*)$param/$1/; 1439 push_parameter($param, $type, $file); 1440 } elsif ($arg) { 1441 $arg =~ s/\s*:\s*/:/g; 1442 $arg =~ s/\s*\[/\[/g; 1443 1444 my @args = split('\s*,\s*', $arg); 1445 if ($args[0] =~ m/\*/) { 1446 $args[0] =~ s/(\*+)\s*/ $1/; 1447 } 1448 my @first_arg = split('\s+', shift @args); 1449 unshift(@args, pop @first_arg); 1450 $type = join " ", @first_arg; 1451 1452 foreach $param (@args) { 1453 if ($param =~ m/^(\*+)\s*(.*)/) { 1454 push_parameter($2, "$type $1", $file); 1455 } 1456 elsif ($param =~ m/(.*?):(\d+)/) { 1457 push_parameter($1, "$type:$2", $file) 1458 } 1459 else { 1460 push_parameter($param, $type, $file); 1461 } 1462 } 1463 } 1464 } 1465} 1466 1467sub push_parameter($$$) { 1468 my $param = shift; 1469 my $type = shift; 1470 my $file = shift; 1471 1472 my $param_name = $param; 1473 $param_name =~ s/\[.*//; 1474 1475 if ($type eq "" && $param =~ /\.\.\.$/) 1476 { 1477 $type=""; 1478 $parameterdescs{$param} = "variable arguments"; 1479 } 1480 elsif ($type eq "" && ($param eq "" or $param eq "void")) 1481 { 1482 $type=""; 1483 $param="void"; 1484 $parameterdescs{void} = "no arguments"; 1485 } 1486 # warn if parameter has no description 1487 # (but ignore ones starting with # as these are no parameters 1488 # but inline preprocessor statements 1489 if (!defined $parameterdescs{$param_name} && $param_name !~ /^#/) { 1490 1491 $parameterdescs{$param_name} = $undescribed; 1492 1493 if (($type eq 'function') || ($type eq 'enum')) { 1494 print STDERR "Warning(${file}:$.): Function parameter ". 1495 "or member '$param' not " . 1496 "described in '$declaration_name'\n"; 1497 } 1498 print STDERR "Warning(${file}:$.):". 1499 " No description found for parameter '$param'\n"; 1500 ++$warnings; 1501 } 1502 1503 push @parameterlist, $param; 1504 $parametertypes{$param} = $type; 1505} 1506 1507## 1508# takes a function prototype and the name of the current file being 1509# processed and spits out all the details stored in the global 1510# arrays/hashes. 1511sub dump_function($$) { 1512 my $prototype = shift; 1513 my $file = shift; 1514 1515 $prototype =~ s/^static +//; 1516 $prototype =~ s/^extern +//; 1517 $prototype =~ s/^fastcall +//; 1518 $prototype =~ s/^asmlinkage +//; 1519 $prototype =~ s/^inline +//; 1520 $prototype =~ s/^__inline__ +//; 1521 $prototype =~ s/^#define +//; #ak added 1522 $prototype =~ s/__attribute__ \(\([a-z,]*\)\)//; 1523 1524 # Yes, this truly is vile. We are looking for: 1525 # 1. Return type (may be nothing if we're looking at a macro) 1526 # 2. Function name 1527 # 3. Function parameters. 1528 # 1529 # All the while we have to watch out for function pointer parameters 1530 # (which IIRC is what the two sections are for), C types (these 1531 # regexps don't even start to express all the possibilities), and 1532 # so on. 1533 # 1534 # If you mess with these regexps, it's a good idea to check that 1535 # the following functions' documentation still comes out right: 1536 # - parport_register_device (function pointer parameters) 1537 # - atomic_set (macro) 1538 # - pci_match_device, __copy_to_user (long return type) 1539 1540 if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1541 $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1542 $prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1543 $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1544 $prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1545 $prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1546 $prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || 1547 $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1548 $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1549 $prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1550 $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1551 $prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1552 $prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1553 $prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1554 $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ || 1555 $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/) { 1556 $return_type = $1; 1557 $declaration_name = $2; 1558 my $args = $3; 1559 1560 create_parameterlist($args, ',', $file); 1561 } else { 1562 print STDERR "Error(${file}:$.): cannot understand prototype: '$prototype'\n"; 1563 ++$errors; 1564 return; 1565 } 1566 1567 output_declaration($declaration_name, 1568 'function', 1569 {'function' => $declaration_name, 1570 'module' => $modulename, 1571 'functiontype' => $return_type, 1572 'parameterlist' => \@parameterlist, 1573 'parameterdescs' => \%parameterdescs, 1574 'parametertypes' => \%parametertypes, 1575 'sectionlist' => \@sectionlist, 1576 'sections' => \%sections, 1577 'purpose' => $declaration_purpose 1578 }); 1579} 1580 1581sub process_file($); 1582 1583# Read the file that maps relative names to absolute names for 1584# separate source and object directories and for shadow trees. 1585if (open(SOURCE_MAP, "<.tmp_filelist.txt")) { 1586 my ($relname, $absname); 1587 while(<SOURCE_MAP>) { 1588 chop(); 1589 ($relname, $absname) = (split())[0..1]; 1590 $relname =~ s:^/+::; 1591 $source_map{$relname} = $absname; 1592 } 1593 close(SOURCE_MAP); 1594} 1595 1596if ($filelist) { 1597 open(FLIST,"<$filelist") or die "Can't open file list $filelist"; 1598 while(<FLIST>) { 1599 chop; 1600 process_file($_); 1601 } 1602} 1603 1604foreach (@ARGV) { 1605 chomp; 1606 process_file($_); 1607} 1608if ($verbose && $errors) { 1609 print STDERR "$errors errors\n"; 1610} 1611if ($verbose && $warnings) { 1612 print STDERR "$warnings warnings\n"; 1613} 1614 1615exit($errors); 1616 1617sub reset_state { 1618 $function = ""; 1619 %constants = (); 1620 %parameterdescs = (); 1621 %parametertypes = (); 1622 @parameterlist = (); 1623 %sections = (); 1624 @sectionlist = (); 1625 $prototype = ""; 1626 1627 $state = 0; 1628} 1629 1630sub process_state3_function($$) { 1631 my $x = shift; 1632 my $file = shift; 1633 1634 if ($x =~ m#\s*/\*\s+MACDOC\s*#io || ($x =~ /^#/ && $x !~ /^#define/)) { 1635 # do nothing 1636 } 1637 elsif ($x =~ /([^\{]*)/) { 1638 $prototype .= $1; 1639 } 1640 if (($x =~ /\{/) || ($x =~ /\#define/) || ($x =~ /;/)) { 1641 $prototype =~ s@/\*.*?\*/@@gos; # strip comments. 1642 $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's. 1643 $prototype =~ s@^\s+@@gos; # strip leading spaces 1644 dump_function($prototype,$file); 1645 reset_state(); 1646 } 1647} 1648 1649sub process_state3_type($$) { 1650 my $x = shift; 1651 my $file = shift; 1652 1653 $x =~ s@[\r\n]+@ @gos; # strip newlines/cr's. 1654 $x =~ s@^\s+@@gos; # strip leading spaces 1655 $x =~ s@\s+$@@gos; # strip trailing spaces 1656 if ($x =~ /^#/) { 1657 # To distinguish preprocessor directive from regular declaration later. 1658 $x .= ";"; 1659 } 1660 1661 while (1) { 1662 if ( $x =~ /([^{};]*)([{};])(.*)/ ) { 1663 $prototype .= $1 . $2; 1664 ($2 eq '{') && $brcount++; 1665 ($2 eq '}') && $brcount--; 1666 if (($2 eq ';') && ($brcount == 0)) { 1667 dump_declaration($prototype,$file); 1668 reset_state(); 1669 last; 1670 } 1671 $x = $3; 1672 } else { 1673 $prototype .= $x; 1674 last; 1675 } 1676 } 1677} 1678 1679# replace <, >, and & 1680sub xml_escape($) { 1681 my $text = shift; 1682 if (($output_mode eq "text") || ($output_mode eq "man")) { 1683 return $text; 1684 } 1685 $text =~ s/\&/\\\\\\amp;/g; 1686 $text =~ s/\</\\\\\\lt;/g; 1687 $text =~ s/\>/\\\\\\gt;/g; 1688 return $text; 1689} 1690 1691sub process_file($) { 1692 my $file; 1693 my $identifier; 1694 my $func; 1695 my $initial_section_counter = $section_counter; 1696 1697 if (defined($ENV{'SRCTREE'})) { 1698 $file = "$ENV{'SRCTREE'}" . "/" . "@_"; 1699 } 1700 else { 1701 $file = "@_"; 1702 } 1703 if (defined($source_map{$file})) { 1704 $file = $source_map{$file}; 1705 } 1706 1707 if (!open(IN,"<$file")) { 1708 print STDERR "Error: Cannot open file $file\n"; 1709 ++$errors; 1710 return; 1711 } 1712 1713 $section_counter = 0; 1714 while (<IN>) { 1715 if ($state == 0) { 1716 if (/$doc_start/o) { 1717 $state = 1; # next line is always the function name 1718 $in_doc_sect = 0; 1719 } 1720 } elsif ($state == 1) { # this line is the function name (always) 1721 if (/$doc_block/o) { 1722 $state = 4; 1723 $contents = ""; 1724 if ( $1 eq "" ) { 1725 $section = $section_intro; 1726 } else { 1727 $section = $1; 1728 } 1729 } 1730 elsif (/$doc_decl/o) { 1731 $identifier = $1; 1732 if (/\s*([\w\s]+?)\s*-/) { 1733 $identifier = $1; 1734 } 1735 1736 $state = 2; 1737 if (/-(.*)/) { 1738 $declaration_purpose = xml_escape($1); 1739 } else { 1740 $declaration_purpose = ""; 1741 } 1742 if ($identifier =~ m/^struct/) { 1743 $decl_type = 'struct'; 1744 } elsif ($identifier =~ m/^union/) { 1745 $decl_type = 'union'; 1746 } elsif ($identifier =~ m/^enum/) { 1747 $decl_type = 'enum'; 1748 } elsif ($identifier =~ m/^typedef/) { 1749 $decl_type = 'typedef'; 1750 } else { 1751 $decl_type = 'function'; 1752 } 1753 1754 if ($verbose) { 1755 print STDERR "Info(${file}:$.): Scanning doc for $identifier\n"; 1756 } 1757 } else { 1758 print STDERR "Warning(${file}:$.): Cannot understand $_ on line $.", 1759 " - I thought it was a doc line\n"; 1760 ++$warnings; 1761 $state = 0; 1762 } 1763 } elsif ($state == 2) { # look for head: lines, and include content 1764 if (/$doc_sect/o) { 1765 $newsection = $1; 1766 $newcontents = $2; 1767 1768 if ($contents ne "") { 1769 if (!$in_doc_sect && $verbose) { 1770 print STDERR "Warning(${file}:$.): contents before sections\n"; 1771 ++$warnings; 1772 } 1773 dump_section($section, xml_escape($contents)); 1774 $section = $section_default; 1775 } 1776 1777 $in_doc_sect = 1; 1778 $contents = $newcontents; 1779 if ($contents ne "") { 1780 if (substr($contents, 0, 1) eq " ") { 1781 $contents = substr($contents, 1); 1782 } 1783 $contents .= "\n"; 1784 } 1785 $section = $newsection; 1786 } elsif (/$doc_end/) { 1787 1788 if ($contents ne "") { 1789 dump_section($section, xml_escape($contents)); 1790 $section = $section_default; 1791 $contents = ""; 1792 } 1793 1794 $prototype = ""; 1795 $state = 3; 1796 $brcount = 0; 1797# print STDERR "end of doc comment, looking for prototype\n"; 1798 } elsif (/$doc_content/) { 1799 # miguel-style comment kludge, look for blank lines after 1800 # @parameter line to signify start of description 1801 if ($1 eq "" && 1802 ($section =~ m/^@/ || $section eq $section_context)) { 1803 dump_section($section, xml_escape($contents)); 1804 $section = $section_default; 1805 $contents = ""; 1806 } else { 1807 $contents .= $1."\n"; 1808 } 1809 } else { 1810 # i dont know - bad line? ignore. 1811 print STDERR "Warning(${file}:$.): bad line: $_"; 1812 ++$warnings; 1813 } 1814 } elsif ($state == 3) { # scanning for function '{' (end of prototype) 1815 if ($decl_type eq 'function') { 1816 process_state3_function($_, $file); 1817 } else { 1818 process_state3_type($_, $file); 1819 } 1820 } elsif ($state == 4) { 1821 # Documentation block 1822 if (/$doc_block/) { 1823 dump_section($section, $contents); 1824 output_intro({'sectionlist' => \@sectionlist, 1825 'sections' => \%sections }); 1826 $contents = ""; 1827 $function = ""; 1828 %constants = (); 1829 %parameterdescs = (); 1830 %parametertypes = (); 1831 @parameterlist = (); 1832 %sections = (); 1833 @sectionlist = (); 1834 $prototype = ""; 1835 if ( $1 eq "" ) { 1836 $section = $section_intro; 1837 } else { 1838 $section = $1; 1839 } 1840 } 1841 elsif (/$doc_end/) 1842 { 1843 dump_section($section, $contents); 1844 output_intro({'sectionlist' => \@sectionlist, 1845 'sections' => \%sections }); 1846 $contents = ""; 1847 $function = ""; 1848 %constants = (); 1849 %parameterdescs = (); 1850 %parametertypes = (); 1851 @parameterlist = (); 1852 %sections = (); 1853 @sectionlist = (); 1854 $prototype = ""; 1855 $state = 0; 1856 } 1857 elsif (/$doc_content/) 1858 { 1859 if ( $1 eq "" ) 1860 { 1861 $contents .= $blankline; 1862 } 1863 else 1864 { 1865 $contents .= $1 . "\n"; 1866 } 1867 } 1868 } 1869 } 1870 if ($initial_section_counter == $section_counter) { 1871 print STDERR "Warning(${file}): no structured comments found\n"; 1872 if ($output_mode eq "xml") { 1873 # The template wants at least one RefEntry here; make one. 1874 print "<refentry>\n"; 1875 print " <refnamediv>\n"; 1876 print " <refname>\n"; 1877 print " ${file}\n"; 1878 print " </refname>\n"; 1879 print " <refpurpose>\n"; 1880 print " Document generation inconsistency\n"; 1881 print " </refpurpose>\n"; 1882 print " </refnamediv>\n"; 1883 print " <refsect1>\n"; 1884 print " <title>\n"; 1885 print " Oops\n"; 1886 print " </title>\n"; 1887 print " <warning>\n"; 1888 print " <para>\n"; 1889 print " The template for this document tried to insert\n"; 1890 print " the structured comment from the file\n"; 1891 print " <filename>${file}</filename> at this point,\n"; 1892 print " but none was found.\n"; 1893 print " This dummy section is inserted to allow\n"; 1894 print " generation to continue.\n"; 1895 print " </para>\n"; 1896 print " </warning>\n"; 1897 print " </refsect1>\n"; 1898 print "</refentry>\n"; 1899 } 1900 } 1901} 1902