434 lines
14 KiB
Perl
434 lines
14 KiB
Perl
#
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# Copyright 1999, 2000, 2001 Patrik Stridvall
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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package winapi_local;
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use strict;
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use nativeapi qw($nativeapi);
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use options qw($options);
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use output qw($output);
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use winapi qw($win16api $win32api @winapis);
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sub check_function {
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my $function = shift;
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my $return_type = $function->return_type;
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my $calling_convention = $function->calling_convention;
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my $calling_convention16 = $function->calling_convention16;
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my $calling_convention32 = $function->calling_convention32;
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my $internal_name = $function->internal_name;
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my $external_name16 = $function->external_name16;
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my $external_name32 = $function->external_name32;
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my $module16 = $function->module16;
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my $module32 = $function->module32;
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my $refargument_types = $function->argument_types;
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if(!defined($refargument_types)) {
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return;
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}
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if($options->win16 && $options->report_module($module16)) {
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_check_function($return_type,
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$calling_convention, $external_name16,
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$internal_name, $refargument_types,
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$win16api);
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}
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if($options->win32 && $options->report_module($module32)) {
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_check_function($return_type,
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$calling_convention, $external_name32,
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$internal_name, $refargument_types,
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$win32api);
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}
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}
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sub _check_function {
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my $return_type = shift;
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my $calling_convention = shift;
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my $external_name = shift;
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my $internal_name = shift;
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my $refargument_types = shift;
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my @argument_types = @$refargument_types;
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my $winapi = shift;
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my $module = $winapi->function_internal_module($internal_name);
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if($winapi->name eq "win16") {
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if($winapi->is_function_stub_in_module($module, $internal_name)) {
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if($options->implemented) {
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$output->write("function implemented but declared as stub in .spec file\n");
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}
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return;
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} elsif($winapi->is_function_stub_in_module($module, $internal_name)) {
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if($options->implemented_win32) {
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$output->write("32-bit variant of function implemented but declared as stub in .spec file\n");
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}
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return;
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}
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} elsif($winapi->is_function_stub_in_module($module, $internal_name)) {
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if($options->implemented) {
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$output->write("function implemented but declared as stub in .spec file\n");
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}
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return;
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}
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my $forbidden_return_type = 0;
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my $implemented_return_kind;
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$winapi->type_used_in_module($return_type,$module);
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if(!defined($implemented_return_kind = $winapi->translate_argument($return_type))) {
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$winapi->declare_argument($return_type, "unknown");
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if($return_type ne "") {
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$output->write("no translation defined: " . $return_type . "\n");
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}
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} elsif(!$winapi->is_allowed_kind($implemented_return_kind) ||
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!$winapi->is_allowed_type_in_module($return_type, $module))
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{
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$forbidden_return_type = 1;
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$winapi->allow_kind($implemented_return_kind);
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$winapi->allow_type_in_module($return_type, $module);
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if($options->report_argument_forbidden($return_type)) {
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$output->write("return type is forbidden: $return_type ($implemented_return_kind)\n");
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}
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}
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my $segmented = 0;
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if(defined($implemented_return_kind) && $implemented_return_kind =~ /^segptr|segstr$/) {
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$segmented = 1;
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}
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my $implemented_calling_convention;
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if($winapi->name eq "win16") {
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if($calling_convention =~ /^__cdecl$/) {
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$implemented_calling_convention = "cdecl";
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} elsif($calling_convention =~ /^VFWAPIV|WINAPIV$/) {
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$implemented_calling_convention = "varargs";
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} elsif($calling_convention =~ /^__stdcall|VFWAPI|WINAPI|CALLBACK$/) {
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if($implemented_return_kind =~ /^s_word|word|void$/) {
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$implemented_calling_convention = "pascal16";
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} else {
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$implemented_calling_convention = "pascal";
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}
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} elsif($calling_convention =~ /^__asm$/) {
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$implemented_calling_convention = "asm";
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} else {
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$implemented_calling_convention = "cdecl";
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}
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} elsif($winapi->name eq "win32") {
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if($calling_convention =~ /^__cdecl$/) {
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$implemented_calling_convention = "cdecl";
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} elsif($calling_convention =~ /^VFWAPIV|WINAPIV$/) {
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$implemented_calling_convention = "varargs";
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} elsif($calling_convention =~ /^__stdcall|VFWAPI|WINAPI|CALLBACK$/) {
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if(defined($implemented_return_kind) && $implemented_return_kind =~ /^longlong$/) {
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$implemented_calling_convention = "stdcall"; # FIXME: Check entry flags
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} else {
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$implemented_calling_convention = "stdcall";
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}
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} elsif($calling_convention =~ /^__asm$/) {
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$implemented_calling_convention = "asm";
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} else {
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$implemented_calling_convention = "cdecl";
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}
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}
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my $declared_calling_convention = $winapi->function_internal_calling_convention($internal_name) || "";
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my @declared_argument_kinds = split(/\s+/, $winapi->function_internal_arguments($internal_name));
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my $declared_register = 0;
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if ($declared_calling_convention =~ /^(\w+) -register$/) {
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$declared_register = 1;
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$declared_calling_convention = $1;
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}
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if($implemented_calling_convention ne $declared_calling_convention &&
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$implemented_calling_convention ne "asm" &&
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!($declared_calling_convention =~ /^pascal/ && $forbidden_return_type) &&
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!($implemented_calling_convention =~ /^cdecl|varargs$/ && $declared_calling_convention =~ /^cdecl|varargs$/))
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{
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if($options->calling_convention && (
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($options->calling_convention_win16 && $winapi->name eq "win16") ||
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($options->calling_convention_win32 && $winapi->name eq "win32")) &&
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!$nativeapi->is_function($internal_name))
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{
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$output->write("calling convention mismatch: $implemented_calling_convention != $declared_calling_convention\n");
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}
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}
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if($declared_calling_convention eq "varargs") {
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if ($#argument_types != -1 &&
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(($winapi->name eq "win32" && $argument_types[$#argument_types] eq "...") ||
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($winapi->name eq "win16" && $argument_types[$#argument_types] eq "VA_LIST16")))
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{
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pop @argument_types;
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} else {
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$output->write("function not implemented as varargs\n");
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}
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} elsif ($#argument_types != -1 &&
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(($winapi->name eq "win32" && $argument_types[$#argument_types] eq "...") ||
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($winapi->name eq "win16" && $argument_types[$#argument_types] eq "VA_LIST16")))
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{
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if($#argument_types == 0) {
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pop @argument_types;
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} else {
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$output->write("function not declared as varargs\n");
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}
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}
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if($#argument_types != -1 && $argument_types[$#argument_types] eq "CONTEXT *" &&
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$internal_name =~ /^(?:RtlRaiseException|RtlUnwind|NtRaiseException)$/) # FIXME: Kludge
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{
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$#argument_types--;
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}
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if($internal_name =~ /^NTDLL__ftol|NTDLL__CIpow$/) { # FIXME: Kludge
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# ignore
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} else {
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my $n = 0;
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my @argument_kinds = map {
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my $type = $_;
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my $kind = "unknown";
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$winapi->type_used_in_module($type,$module);
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if($type eq "CONTEXT86 *") {
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$kind = "context86";
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} elsif(!defined($kind = $winapi->translate_argument($type))) {
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$winapi->declare_argument($type, "unknown");
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$output->write("no translation defined: " . $type . "\n");
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} elsif(!$winapi->is_allowed_kind($kind) ||
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!$winapi->is_allowed_type_in_module($type, $module))
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{
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$winapi->allow_kind($kind);
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$winapi->allow_type_in_module($type, $module);
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if($options->report_argument_forbidden($type)) {
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$output->write("argument " . ($n + 1) . " type is forbidden: " . $type . " (" . $kind . ")\n");
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}
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}
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# FIXME: Kludge
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if(defined($kind) && $kind eq "struct16") {
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$n+=4;
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("long", "long", "long", "long");
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} elsif(defined($kind) && $kind =~ /^(?:longlong)$/) {
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$n+=2;
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("long", "long");
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} else {
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$n++;
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$kind;
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}
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} @argument_types;
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if ($declared_register && $argument_kinds[$#argument_kinds] ne "context86") {
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$output->write("function declared as register, but CONTEXT86 * is not last argument\n");
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}
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for my $n (0..$#argument_kinds) {
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if(!defined($argument_kinds[$n]) || !defined($declared_argument_kinds[$n])) { next; }
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if($argument_kinds[$n] =~ /^segptr|segstr$/ ||
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$declared_argument_kinds[$n] =~ /^segptr|segstr$/)
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{
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$segmented = 1;
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}
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# FIXME: Kludge
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if(!defined($argument_types[$n])) {
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$argument_types[$n] = "";
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}
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if($argument_kinds[$n] eq "context86") {
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# Nothing
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} elsif(!$winapi->is_allowed_kind($argument_kinds[$n]) ||
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!$winapi->is_allowed_type_in_module($argument_types[$n], $module))
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{
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$winapi->allow_kind($argument_kinds[$n]);
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$winapi->allow_type_in_module($argument_types[$n],, $module);
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if($options->report_argument_forbidden($argument_types[$n])) {
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$output->write("argument " . ($n + 1) . " type is forbidden: " .
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"$argument_types[$n] ($argument_kinds[$n])\n");
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}
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} elsif($argument_kinds[$n] ne $declared_argument_kinds[$n]) {
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if($options->report_argument_kind($argument_kinds[$n]) ||
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$options->report_argument_kind($declared_argument_kinds[$n]))
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{
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$output->write("argument " . ($n + 1) . " type mismatch: " .
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$argument_types[$n] . " ($argument_kinds[$n]) != " .
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$declared_argument_kinds[$n] . "\n");
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}
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}
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}
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if($#argument_kinds != $#declared_argument_kinds &&
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$implemented_calling_convention ne "asm")
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{
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if($options->argument_count) {
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$output->write("argument count differs: " .
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($#argument_types + 1) . " != " .
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($#declared_argument_kinds + 1) . "\n");
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}
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}
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}
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if($segmented && $options->shared_segmented && $winapi->is_shared_internal_function($internal_name)) {
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$output->write("function using segmented pointers shared between Win16 och Win32\n");
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}
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}
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sub check_statements {
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my $functions = shift;
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my $function = shift;
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my $module16 = $function->module16;
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my $module32 = $function->module32;
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if($options->win16 && $options->report_module($module16)) {
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_check_statements($win16api, $functions, $function);
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}
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if($options->win32 && $options->report_module($module32)) {
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_check_statements($win16api, $functions, $function);
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}
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}
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sub _check_statements {
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my $winapi = shift;
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my $functions = shift;
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my $function = shift;
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my $module = $function->module;
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my $internal_name = $function->internal_name;
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my $first_debug_message = 1;
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local $_ = $function->statements;
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while(defined($_)) {
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if(s/(\w+)\s*(?:\(\s*(\w+)\s*\))?\s*\(\s*((?:\"[^\"]*\"|\([^\)]*\)|[^\)])*?)\s*\)//) {
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my $called_name = $1;
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my $channel = $2;
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my $called_arguments = $3;
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if($called_name =~ /^if|for|while|switch|sizeof$/) {
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# Nothing
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} elsif($called_name =~ /^ERR|FIXME|MSG|TRACE|WARN$/) {
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if($first_debug_message && $called_name =~ /^FIXME|TRACE$/) {
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$first_debug_message = 0;
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if($called_arguments =~ /^\"\((.*?)\)(.*?)\"\s*,\s*(.*?)$/) {
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my $formating = $1;
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my $extra = $2;
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my $arguments = $3;
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my $format;
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my $argument;
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my $n = 0;
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while($formating && ($formating =~ s/^([^,]*),?//, $format = $1, $format =~ s/^\s*(.*?)\s*$/$1/) &&
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$arguments && ($arguments =~ s/^([^,]*),?//, $argument = $1, $argument =~ s/^\s*(.*?)\s*$/$1/))
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{
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my $type = @{$function->argument_types}[$n];
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my $name = @{$function->argument_names}[$n];
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$n++;
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if(!defined($type)) { last; }
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$format =~ s/^\w+\s*[:=]?\s*//;
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$format =~ s/\s*\{[^\{\}]*\}$//;
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$format =~ s/\s*\[[^\[\]]*\]$//;
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$format =~ s/^\'(.*?)\'$/$1/;
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$format =~ s/^\\\"(.*?)\\\"$/$1/;
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if($options->debug_messages) {
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if($argument !~ /$name/) {
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$output->write("$called_name: argument $n is wrong ($name != '$argument')\n");
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} elsif(!$winapi->is_allowed_type_format($module, $type, $format)) {
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$output->write("$called_name: argument $n ($type $name) has illegal format ($format)\n");
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}
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}
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}
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if($options->debug_messages) {
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my $count = $#{$function->argument_types} + 1;
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if($n != $count) {
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$output->write("$called_name: argument count mismatch ($n != $count)\n");
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}
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}
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}
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}
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} elsif($options->cross_call) {
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# $output->write("$internal_name: called $called_name\n");
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$$functions{$internal_name}->function_called($called_name);
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if(!defined($$functions{$called_name})) {
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my $called_function = 'winapi_function'->new;
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$called_function->internal_name($called_name);
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$$functions{$called_name} = $called_function;
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}
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$$functions{$called_name}->function_called_by($internal_name);
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}
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} else {
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undef $_;
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}
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}
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}
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sub check_file {
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my $file = shift;
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my $functions = shift;
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if($options->cross_call) {
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my @names = sort(keys(%$functions));
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for my $name (@names) {
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my $function = $$functions{$name};
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my @called_names = $function->called_function_names;
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my @called_by_names = $function->called_by_function_names;
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my $module = $function->module;
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if($options->cross_call_win32_win16) {
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my $module16 = $function->module16;
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my $module32 = $function->module32;
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if($#called_names >= 0 && (defined($module16) || defined($module32)) ) {
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for my $called_name (@called_names) {
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my $called_function = $$functions{$called_name};
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my $called_module16 = $called_function->module16;
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my $called_module32 = $called_function->module32;
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if(defined($module32) &&
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defined($called_module16) && !defined($called_module32) &&
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$name ne $called_name)
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{
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$output->write("$file: $module: $name: illegal call to $called_name (Win32 -> Win16)\n");
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}
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}
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}
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}
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if($options->cross_call_unicode_ascii) {
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if($name =~ /(?<!A)W$/) {
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for my $called_name (@called_names) {
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if($called_name =~ /A$/) {
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$output->write("$file: $module: $name: illegal call to $called_name (Unicode -> ASCII)\n");
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}
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}
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}
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}
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}
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}
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}
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1;
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