#! /usr/bin/perl -w # # Build the server/trace.c and server/request.h files # from the contents of include/wine/server.h. # # Copyright (C) 1998 Alexandre Julliard # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA # use strict; my %formats = ( "int" => "%d", "short int" => "%d", "char" => "%c", "unsigned char" => "%02x", "unsigned short"=> "%04x", "unsigned int" => "%08x", "unsigned long" => "%lx", "void*" => "%p", "time_t" => "%ld (long)", "size_t" => "%lu (unsigned long)", "data_size_t" => "%u", "obj_handle_t" => "%p", "atom_t" => "%04x", "user_handle_t" => "%p", "process_id_t" => "%04x", "thread_id_t" => "%04x", "timeout_t" => "&dump_timeout", "rectangle_t" => "&dump_rectangle", "char_info_t" => "&dump_char_info", "apc_call_t" => "&dump_apc_call", "apc_result_t" => "&dump_apc_result", "async_data_t" => "&dump_async_data", "luid_t" => "&dump_luid", "ioctl_code_t" => "&dump_ioctl_code", "file_pos_t" => "&dump_file_pos", ); my @requests = (); my %replies = (); my @trace_lines = (); ### Generate a dumping function sub DO_DUMP_FUNC($$@) { my $name = shift; my $req = shift; push @trace_lines, "static void dump_${name}_$req( const struct ${name}_$req *req )\n{\n"; while ($#_ >= 0) { my $type = shift; my $var = shift; if (defined($formats{$type})) { if ($formats{$type} =~ /^&(.*)/) { my $func = $1; push @trace_lines, " fprintf( stderr, \" $var=\" );\n"; push @trace_lines, " $func( &req->$var );\n"; push @trace_lines, " fprintf( stderr, \",\" );\n" if ($#_ > 0); } elsif ($formats{$type} =~ /^(%.*)\s+\((.*)\)/) { my ($format, $cast) = ($1, $2); push @trace_lines, " fprintf( stderr, \" $var=$format"; push @trace_lines, "," if ($#_ > 0); push @trace_lines, "\", ($cast)req->$var );\n"; } else { push @trace_lines, " fprintf( stderr, \" $var=$formats{$type}"; push @trace_lines, "," if ($#_ > 0); push @trace_lines, "\", req->$var );\n"; } } else # must be some varargs format { my $func = $type; push @trace_lines, " fprintf( stderr, \" $var=\" );\n"; push @trace_lines, " $func;\n"; push @trace_lines, " fputc( ',', stderr );\n" if ($#_ > 0); } } push @trace_lines, "}\n\n"; } ### Parse the request definitions sub PARSE_REQUESTS() { # states: 0 = header 1 = declarations 2 = inside @REQ 3 = inside @REPLY my $state = 0; my $name = ""; my @in_struct = (); my @out_struct = (); open(PROTOCOL,"server/protocol.def") or die "Can't open server/protocol.def"; while (<PROTOCOL>) { my ($type, $var); # strip comments s!/\*.*\*/!!g; # strip white space at end of line s/\s+$//; if (/^\@HEADER/) { die "Misplaced \@HEADER" unless $state == 0; $state++; next; } # ignore everything while in state 0 next if $state == 0; if (/^\@REQ\(\s*(\w+)\s*\)/) { $name = $1; die "Misplaced \@REQ" unless $state == 1; # start a new request @in_struct = (); @out_struct = (); print SERVER_PROT "struct ${name}_request\n{\n"; print SERVER_PROT " struct request_header __header;\n"; $state++; next; } if (/^\@REPLY/) { die "Misplaced \@REPLY" unless $state == 2; print SERVER_PROT "};\n"; print SERVER_PROT "struct ${name}_reply\n{\n"; print SERVER_PROT " struct reply_header __header;\n"; $state++; next; } if (/^\@END/) { die "Misplaced \@END" unless ($state == 2 || $state == 3); print SERVER_PROT "};\n"; if ($state == 2) # build dummy reply struct { print SERVER_PROT "struct ${name}_reply\n{\n"; print SERVER_PROT " struct reply_header __header;\n"; print SERVER_PROT "};\n"; } # got a complete request push @requests, $name; DO_DUMP_FUNC( $name, "request", @in_struct); if ($#out_struct >= 0) { $replies{$name} = 1; DO_DUMP_FUNC( $name, "reply", @out_struct); } $state = 1; next; } if ($state != 1) { # skip empty lines (but keep them in output file) if (/^$/) { print SERVER_PROT "\n"; next; } if (/^\s*VARARG\((\w+),(\w+),(\w+)\)/) { $var = $1; $type = "dump_varargs_" . $2 . "( min(cur_size,req->" . $3 . ") )"; s!(VARARG\(.*\)\s*;)!/* $1 */!; } elsif (/^\s*VARARG\((\w+),(\w+)\)/) { $var = $1; $type = "dump_varargs_" . $2 . "( cur_size )"; s!(VARARG\(.*\)\s*;)!/* $1 */!; } elsif (/^\s*(\w+\**(\s+\w+\**)*)\s+(\w+);/) { $type = $1; $var = $3; die "Unrecognized type $type" unless defined($formats{$type}); } else { die "Unrecognized syntax $_"; } if ($state == 2) { push @in_struct, $type, $var; } if ($state == 3) { push @out_struct, $type, $var; } } # Pass it through into the output file print SERVER_PROT $_ . "\n"; } close PROTOCOL; } ### Retrieve the server protocol version from the existing server_protocol.h file sub GET_PROTOCOL_VERSION() { my $protocol = 0; open SERVER_PROT, "include/wine/server_protocol.h" or return 0; while (<SERVER_PROT>) { if (/^\#define SERVER_PROTOCOL_VERSION (\d+)/) { $protocol = $1; last; } } close SERVER_PROT; return $protocol; } ### Retrieve the list of status and errors used in the server sub GET_ERROR_NAMES() { my %errors = (); foreach my $f (glob "server/*.c") { next if $f eq "server/trace.c"; open FILE, $f or die "Can't open $f"; while (<FILE>) { if (/STATUS_(\w+)/) { $errors{$1} = "STATUS_$1" unless $1 eq "SUCCESS"; } elsif (/set_win32_error\s*\(\s*(\w+)\s*\)/) { $errors{$1} = "0xc0010000 | $1"; } } close FILE; } return %errors; } ### Replace the contents of a file between ### make_requests ### marks sub REPLACE_IN_FILE($@) { my $name = shift; my @data = @_; my @lines = (); open(FILE,$name) or die "Can't open $name"; while (<FILE>) { push @lines, $_; last if /\#\#\# make_requests begin \#\#\#/; } push @lines, "\n", @data; while (<FILE>) { if (/\#\#\# make_requests end \#\#\#/) { push @lines, "\n", $_; last; } } push @lines, <FILE>; open(FILE,">$name") or die "Can't modify $name"; print FILE @lines; close(FILE); } ### Main # Get the server protocol version my $protocol = GET_PROTOCOL_VERSION(); my %errors = GET_ERROR_NAMES(); ### Create server_protocol.h and print header open SERVER_PROT, ">include/wine/server_protocol.h" or die "Cannot create include/wine/server_protocol.h"; print SERVER_PROT "/*\n * Wine server protocol definitions\n *\n"; print SERVER_PROT " * This file is automatically generated; DO NO EDIT!\n"; print SERVER_PROT " * Edit server/protocol.def instead and re-run tools/make_requests\n"; print SERVER_PROT " */\n\n"; print SERVER_PROT "#ifndef __WINE_WINE_SERVER_PROTOCOL_H\n"; print SERVER_PROT "#define __WINE_WINE_SERVER_PROTOCOL_H\n"; ### Parse requests to find request/reply structure definitions PARSE_REQUESTS(); ### Build the request list and structures print SERVER_PROT "\n\nenum request\n{\n"; foreach my $req (@requests) { print SERVER_PROT " REQ_$req,\n"; } print SERVER_PROT " REQ_NB_REQUESTS\n};\n\n"; print SERVER_PROT "union generic_request\n{\n"; print SERVER_PROT " struct request_max_size max_size;\n"; print SERVER_PROT " struct request_header request_header;\n"; foreach my $req (@requests) { print SERVER_PROT " struct ${req}_request ${req}_request;\n"; } print SERVER_PROT "};\n"; print SERVER_PROT "union generic_reply\n{\n"; print SERVER_PROT " struct request_max_size max_size;\n"; print SERVER_PROT " struct reply_header reply_header;\n"; foreach my $req (@requests) { print SERVER_PROT " struct ${req}_reply ${req}_reply;\n"; } print SERVER_PROT "};\n\n"; printf SERVER_PROT "#define SERVER_PROTOCOL_VERSION %d\n\n", $protocol + 1; print SERVER_PROT "#endif /* __WINE_WINE_SERVER_PROTOCOL_H */\n"; close SERVER_PROT; ### Output the dumping function tables push @trace_lines, "static const dump_func req_dumpers[REQ_NB_REQUESTS] = {\n"; foreach my $req (@requests) { push @trace_lines, " (dump_func)dump_${req}_request,\n"; } push @trace_lines, "};\n\n"; push @trace_lines, "static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {\n"; foreach my $req (@requests) { push @trace_lines, " (dump_func)", $replies{$req} ? "dump_${req}_reply,\n" : "0,\n"; } push @trace_lines, "};\n\n"; push @trace_lines, "static const char * const req_names[REQ_NB_REQUESTS] = {\n"; foreach my $req (@requests) { push @trace_lines, " \"$req\",\n"; } push @trace_lines, "};\n\n"; push @trace_lines, "static const struct\n{\n"; push @trace_lines, " const char *name;\n"; push @trace_lines, " unsigned int value;\n"; push @trace_lines, "} status_names[] =\n{\n"; foreach my $err (sort keys %errors) { push @trace_lines, sprintf(" { %-30s %s },\n", "\"$err\",", $errors{$err}); } push @trace_lines, " { NULL, 0 }\n"; push @trace_lines, "};\n"; REPLACE_IN_FILE( "server/trace.c", @trace_lines ); ### Output the request handlers list my @request_lines = (); foreach my $req (@requests) { push @request_lines, "DECL_HANDLER($req);\n"; } push @request_lines, "\n#ifdef WANT_REQUEST_HANDLERS\n\n"; push @request_lines, "typedef void (*req_handler)( const void *req, void *reply );\n"; push @request_lines, "static const req_handler req_handlers[REQ_NB_REQUESTS] =\n{\n"; foreach my $req (@requests) { push @request_lines, " (req_handler)req_$req,\n"; } push @request_lines, "};\n#endif /* WANT_REQUEST_HANDLERS */\n"; REPLACE_IN_FILE( "server/request.h", @request_lines );