# # Copyright 1999, 2000, 2001 Patrik Stridvall # # 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 # package winapi_local; use strict; use nativeapi qw($nativeapi); use options qw($options); use output qw($output); use winapi qw($win16api $win32api @winapis); sub _check_function($$$$$$) { my $return_type = shift; my $calling_convention = shift; my $external_name = shift; my $internal_name = shift; my $refargument_types = shift; my @argument_types = @$refargument_types; my $winapi = shift; my $module = $winapi->function_internal_module($internal_name); if($winapi->name eq "win16") { if($winapi->is_function_stub_in_module($module, $internal_name)) { if($options->implemented) { $output->write("function implemented but declared as stub in .spec file\n"); } return; } elsif($winapi->is_function_stub_in_module($module, $internal_name)) { if($options->implemented_win32) { $output->write("32-bit variant of function implemented but declared as stub in .spec file\n"); } return; } } elsif($winapi->is_function_stub_in_module($module, $internal_name)) { if($options->implemented) { $output->write("function implemented but declared as stub in .spec file\n"); } return; } my $forbidden_return_type = 0; my $implemented_return_kind; $winapi->type_used_in_module($return_type,$module); if(!defined($implemented_return_kind = $winapi->translate_argument($return_type))) { $winapi->declare_argument($return_type, "unknown"); if($return_type ne "") { $output->write("no win*.api translation defined: " . $return_type . "\n"); } } elsif(!$winapi->is_allowed_kind($implemented_return_kind) || !$winapi->is_allowed_type_in_module($return_type, $module)) { $forbidden_return_type = 1; $winapi->allow_kind($implemented_return_kind); $winapi->allow_type_in_module($return_type, $module); if($options->report_argument_forbidden($return_type)) { $output->write("return type is forbidden: $return_type ($implemented_return_kind)\n"); } } my $segmented = 0; if(defined($implemented_return_kind) && $implemented_return_kind =~ /^seg[sp]tr$/) { $segmented = 1; } my $implemented_calling_convention; if($winapi->name eq "win16") { if($calling_convention eq "__cdecl") { $implemented_calling_convention = "cdecl"; } elsif($calling_convention =~ /^(?:VFWAPIV|WINAPIV)$/) { $implemented_calling_convention = "varargs"; } elsif($calling_convention =~ /^(?:__stdcall|__RPC_STUB|__RPC_USER|NET_API_FUNCTION|RPC_ENTRY|VFWAPI|WINAPI|CALLBACK)$/) { if(defined($implemented_return_kind) && $implemented_return_kind =~ /^(?:s_word|word|void)$/) { $implemented_calling_convention = "pascal16"; } else { $implemented_calling_convention = "pascal"; } } elsif($calling_convention eq "__asm") { $implemented_calling_convention = "asm"; } else { $implemented_calling_convention = "cdecl"; } } elsif($winapi->name eq "win32") { if($calling_convention eq "__cdecl") { $implemented_calling_convention = "cdecl"; } elsif($calling_convention =~ /^(?:VFWAPIV|WINAPIV)$/) { $implemented_calling_convention = "varargs"; } elsif($calling_convention =~ /^(?:__stdcall|__RPC_STUB|__RPC_USER|APIENTRY|NET_API_FUNCTION|RPC_ENTRY|VFWAPI|WINAPI|CALLBACK)$/) { if(defined($implemented_return_kind) && $implemented_return_kind eq "longlong") { $implemented_calling_convention = "stdcall"; # FIXME: Check entry flags } else { $implemented_calling_convention = "stdcall"; } } elsif($calling_convention eq "__asm") { $implemented_calling_convention = "asm"; } else { $implemented_calling_convention = "cdecl"; } } my $declared_calling_convention = $winapi->function_internal_calling_convention($internal_name) || ""; my @declared_argument_kinds = split(/\s+/, $winapi->function_internal_arguments($internal_name)); my $declared_register = ($declared_calling_convention =~ / -register\b/); my $declared_i386 = ($declared_calling_convention =~ /(?:^pascal| -i386)\b/); $declared_calling_convention =~ s/ .*$//; if(!$declared_register && $implemented_calling_convention ne $declared_calling_convention && $implemented_calling_convention ne "asm" && !($declared_calling_convention =~ /^pascal/ && $forbidden_return_type) && !($implemented_calling_convention =~ /^(?:cdecl|varargs)$/ && $declared_calling_convention =~ /^(?:cdecl|varargs)$/)) { if($options->calling_convention && ( ($options->calling_convention_win16 && $winapi->name eq "win16") || ($options->calling_convention_win32 && $winapi->name eq "win32")) && !$nativeapi->is_function($internal_name)) { $output->write("calling convention mismatch: $implemented_calling_convention != $declared_calling_convention\n"); } } if($declared_calling_convention eq "varargs") { if ($#argument_types != -1 && (($winapi->name eq "win32" && $argument_types[$#argument_types] eq "...") || ($winapi->name eq "win16" && $argument_types[$#argument_types] eq "VA_LIST16"))) { pop @argument_types; } else { $output->write("function not implemented as varargs\n"); } } elsif ($#argument_types != -1 && (($winapi->name eq "win32" && $argument_types[$#argument_types] eq "...") || ($winapi->name eq "win16" && $argument_types[$#argument_types] eq "VA_LIST16"))) { if($#argument_types == 0) { pop @argument_types; } else { $output->write("function not declared as varargs\n"); } } if($internal_name =~ /^(?:NTDLL__ftol|NTDLL__CIpow)$/) { # FIXME: Kludge # ignore } else { my $n = 0; my @argument_kinds = map { my $type = $_; my $kind = "unknown"; $winapi->type_used_in_module($type,$module); if($type eq "CONTEXT *") { $kind = "context"; } elsif($type eq "CONTEXT86 *") { $kind = "context86"; } elsif(!defined($kind = $winapi->translate_argument($type))) { $winapi->declare_argument($type, "unknown"); $output->write("no win*.api translation defined: " . $type . "\n"); } elsif(!$winapi->is_allowed_kind($kind) || !$winapi->is_allowed_type_in_module($type, $module)) { $winapi->allow_kind($kind); $winapi->allow_type_in_module($type, $module); if($options->report_argument_forbidden($type)) { $output->write("argument " . ($n + 1) . " type is forbidden: " . $type . " (" . $kind . ")\n"); } } # FIXME: Kludge if(defined($kind) && $kind eq "struct16") { $n+=2; ("double", "double"); } elsif(defined($kind) && $kind eq "longlong") { $n+=1; "longlong"; } else { $n++; $kind; } } @argument_types; if ($declared_register) { if (!$declared_i386 && $argument_kinds[$#argument_kinds] ne "context") { $output->write("function declared as register, but CONTEXT * is not last argument\n"); } elsif ($declared_i386 && $argument_kinds[$#argument_kinds] ne "context86") { $output->write("function declared as register, but CONTEXT86 * is not last argument\n"); } } for my $n (0..$#argument_kinds) { if(!defined($argument_kinds[$n]) || !defined($declared_argument_kinds[$n])) { next; } if($argument_kinds[$n] =~ /^seg[ps]tr$/ || $declared_argument_kinds[$n] =~ /^seg[ps]tr$/) { $segmented = 1; } # FIXME: Kludge if(!defined($argument_types[$n])) { $argument_types[$n] = ""; } if($argument_kinds[$n] =~ /^context(?:86)?$/) { # Nothing } elsif(!$winapi->is_allowed_kind($argument_kinds[$n]) || !$winapi->is_allowed_type_in_module($argument_types[$n], $module)) { $winapi->allow_kind($argument_kinds[$n]); $winapi->allow_type_in_module($argument_types[$n],, $module); if($options->report_argument_forbidden($argument_types[$n])) { $output->write("argument " . ($n + 1) . " type is forbidden: " . "$argument_types[$n] ($argument_kinds[$n])\n"); } } elsif($argument_kinds[$n] ne $declared_argument_kinds[$n] && !($argument_kinds[$n] eq "longlong" && $declared_argument_kinds[$n] eq "double")) { if($options->report_argument_kind($argument_kinds[$n]) || $options->report_argument_kind($declared_argument_kinds[$n])) { $output->write("argument " . ($n + 1) . " type mismatch: " . $argument_types[$n] . " ($argument_kinds[$n]) != " . $declared_argument_kinds[$n] . "\n"); } } } if ($options->argument_count && $implemented_calling_convention ne "asm") { if ($#argument_kinds != $#declared_argument_kinds and $#argument_types != $#declared_argument_kinds) { $output->write("argument count differs: " . ($#argument_kinds + 1) . " != " . ($#declared_argument_kinds + 1) . "\n"); } elsif ($#argument_kinds != $#declared_argument_kinds or $#argument_types != $#declared_argument_kinds) { $output->write("argument count differs: " . ($#argument_kinds + 1) . "/" . ($#argument_types + 1) . " != " . ($#declared_argument_kinds + 1) . " (long vs. long long problem?)\n"); } } } if($segmented && $options->shared_segmented && $winapi->is_shared_internal_function($internal_name)) { $output->write("function using segmented pointers shared between Win16 and Win32\n"); } } sub check_function($) { my $function = shift; my $return_type = $function->return_type; my $calling_convention = $function->calling_convention; my $calling_convention16 = $function->calling_convention16; my $calling_convention32 = $function->calling_convention32; my $internal_name = $function->internal_name; my $external_name16 = $function->external_name16; my $external_name32 = $function->external_name32; my $module16 = $function->module16; my $module32 = $function->module32; my $refargument_types = $function->argument_types; if(!defined($refargument_types)) { return; } if($options->win16 && $options->report_module($module16)) { _check_function($return_type, $calling_convention, $external_name16, $internal_name, $refargument_types, $win16api); } if($options->win32 && $options->report_module($module32)) { _check_function($return_type, $calling_convention, $external_name32, $internal_name, $refargument_types, $win32api); } } sub _check_statements($$$) { my $winapi = shift; my $functions = shift; my $function = shift; my $module = $function->module; my $internal_name = $function->internal_name; my $first_debug_message = 1; local $_ = $function->statements; while(defined($_)) { if(s/(\w+)\s*(?:\(\s*(\w+)\s*\))?\s*\(\s*((?:\"[^\"]*\"|\([^\)]*\)|[^\)])*?)\s*\)//) { my $called_name = $1; my $channel = $2; my $called_arguments = $3; if($called_name =~ /^(?:if|for|while|switch|sizeof)$/) { # Nothing } elsif($called_name =~ /^(?:ERR|FIXME|MSG|TRACE|WARN)$/) { if($first_debug_message && $called_name =~ /^(?:FIXME|TRACE)$/) { $first_debug_message = 0; if($called_arguments =~ /^\"\((.*?)\)(.*?)\"\s*,\s*(.*?)$/) { my $formating = $1; my $extra = $2; my $arguments = $3; my $format; my $argument; my $n = 0; while($formating && ($formating =~ s/^([^,]*),?//, $format = $1, $format =~ s/^\s*(.*?)\s*$/$1/) && $arguments && ($arguments =~ s/^([^,]*),?//, $argument = $1, $argument =~ s/^\s*(.*?)\s*$/$1/)) { my $type = @{$function->argument_types}[$n]; my $name = @{$function->argument_names}[$n]; $n++; if(!defined($type)) { last; } $format =~ s/^\w+\s*[:=]?\s*//; $format =~ s/\s*\{[^\{\}]*\}$//; $format =~ s/\s*\[[^\[\]]*\]$//; $format =~ s/^\'(.*?)\'$/$1/; $format =~ s/^\\\"(.*?)\\\"$/$1/; if($options->debug_messages) { if($argument !~ /$name/) { $output->write("$called_name: argument $n is wrong ($name != '$argument')\n"); } elsif(!$winapi->is_allowed_type_format($module, $type, $format)) { $output->write("$called_name: argument $n ($type $name) has illegal format ($format)\n"); } } } if($options->debug_messages) { my $count = $#{$function->argument_types} + 1; if($n != $count) { $output->write("$called_name: argument count mismatch ($n != $count)\n"); } } } } } elsif($options->cross_call) { # $output->write("$internal_name: called $called_name\n"); $$functions{$internal_name}->function_called($called_name); if(!defined($$functions{$called_name})) { my $called_function = 'winapi_function'->new; $called_function->internal_name($called_name); $$functions{$called_name} = $called_function; } $$functions{$called_name}->function_called_by($internal_name); } } else { undef $_; } } } sub check_statements($$) { my $functions = shift; my $function = shift; my $module16 = $function->module16; my $module32 = $function->module32; if($options->win16 && $options->report_module($module16)) { _check_statements($win16api, $functions, $function); } if($options->win32 && $options->report_module($module32)) { _check_statements($win32api, $functions, $function); } } sub check_file($$) { my $file = shift; my $functions = shift; if($options->cross_call) { my @names = sort(keys(%$functions)); for my $name (@names) { my $function = $$functions{$name}; my @called_names = $function->called_function_names; my @called_by_names = $function->called_by_function_names; my $module = $function->module; if($options->cross_call_win32_win16) { my $module16 = $function->module16; my $module32 = $function->module32; if($#called_names >= 0 && (defined($module16) || defined($module32)) ) { for my $called_name (@called_names) { my $called_function = $$functions{$called_name}; my $called_module16 = $called_function->module16; my $called_module32 = $called_function->module32; if(defined($module32) && defined($called_module16) && !defined($called_module32) && $name ne $called_name) { $output->write("$file: $module: $name: illegal call to $called_name (Win32 -> Win16)\n"); } } } } if($options->cross_call_unicode_ascii) { if($name =~ /(?<!A)W$/) { for my $called_name (@called_names) { if($called_name =~ /A$/) { $output->write("$file: $module: $name: illegal call to $called_name (Unicode -> ASCII)\n"); } } } } } } } 1;