Sweden-Number/tools/winapi_check/winapi_local.pm

448 lines
15 KiB
Perl

#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 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|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|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 = 0;
if ($declared_calling_convention =~ /^(\w+) -register$/) {
$declared_register = 1;
$declared_calling_convention = $1;
}
if ($declared_register)
{
if ($implemented_calling_convention eq "stdcall")
{
$output->write("-register functions should not be implemented as stdcall\n");
}
}
elsif($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($#argument_types != -1 && $argument_types[$#argument_types] eq "CONTEXT *" &&
$internal_name =~ /^(?:RtlRaiseException|RtlUnwind|NtRaiseException)$/) # FIXME: Kludge
{
$#argument_types--;
}
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 "CONTEXT86 *") {
$kind = "context86";
} elsif(!defined($kind = $winapi->translate_argument($type))) {
$winapi->declare_argument($type, "unknown");
$output->write("no 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+=4;
("long", "long", "long", "long");
} elsif(defined($kind) && $kind eq "longlong") {
$n+=2;
("long", "long");
} else {
$n++;
$kind;
}
} @argument_types;
if ($declared_register && $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] eq "context86") {
# 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]) {
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($$) {
my $functions = shift;
my $function = shift;
my $module16 = $function->module16;
my $module32 = $function->module32;
if($options->win16 && $options->report_module($module16)) {
_check_statements($win16api, $functions, $function);
}
if($options->win32 && $options->report_module($module32)) {
_check_statements($win16api, $functions, $function);
}
}
sub check_file($$) {
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;