xwords/xwords4/palm/gen_pace.pl
ehouse 02396298f0 first checked in. Many bodies generated this way work. Still to do
(at least): byte-swap in/out params before and after, and handle
selector dispatch methods other than SYS_TRAP
2004-09-19 02:41:50 +00:00

472 lines
15 KiB
Perl
Executable file

#!/usr/bin/perl
# Copyright 2004 by Eric House (fixin@peak.org). All rights reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
use strict;
use File::Basename;
my %funcInfo;
my %fileNames;
my %contents;
sub usage() {
print STDERR "$0 funcList path .c_file .h_file\n"
}
my $funcList = shift(@ARGV);
my $pathList = shift(@ARGV);
my $dot_c = shift(@ARGV);
my $dot_h = shift(@ARGV);
usage() if ! defined($funcList) || !defined( $pathList )
|| ! defined($dot_c) || !defined( $dot_h );
# A list of types seen in the header files. The idea is to use these
# to determine the size of a type and whether it's returned in d0 or
# a0. The user function should print out types it doesn't find here
# and they should be added manually;
my %typeInfo = (
"UInt32" => { "size" => 4, "a0" => 0 },
"UInt16" => { "size" => 2, "a0" => 0 },
"void*" => { "size" => 4, "a0" => 1 },
"void" => { "size" => 0, "a0" => 0 },
"BitmapPtr" => { "size" => 4, "a0" => 1 },
"Boolean" => { "size" => 1, "a0" => 0 },
"Boolean*" => { "size" => 4, "a0" => 0 },
"Char const*" => { "size" => 4, "a0" => 1 },
"Char*" => { "size" => 4, "a0" => 1 },
"Char**" => { "size" => 4, "a0" => 1 },
"ControlType*" => { "size" => 4, "a0" => 1 },
"Coord" => { "size" => 2, "a0" => 0 }, # ???
"Coord*" => { "size" => 4, "a0" => 0 },
"DateFormatType" => { "size" => 1, "a0" => 0 }, # enum
"DateTimeType*" => { "size" => 4, "a0" => 0 },
"DmOpenRef" => { "size" => 4, "a0" => 1 },
"DmResID" => { "size" => 2, "a0" => 0 },
"DmResType" => { "size" => 4, "a0" => 0 },
"DmSearchStatePtr" => { "size" => 4, "a0" => 0 },
"Err" => { "size" => 2, "a0" => 0 },
"Err*" => { "size" => 4, "a0" => 1 },
"EventPtr" => { "size" => 4, "a0" => 1 },
"EventType*" => { "size" => 4, "a0" => 1 },
"ExgDBWriteProcPtr" => { "size" => 4, "a0" => 1 },
"ExgSocketType*" => { "size" => 4, "a0" => 1 },
"FieldAttrPtr" => { "size" => 4, "a0" => 1 },
"FieldType*" => { "size" => 4, "a0" => 1 },
"FileInfoType*" => { "size" => 4, "a0" => 1 },
"FileRef" => { "size" => 4, "a0" => 0 }, # UInt32
"FileRef*" => { "size" => 4, "a0" => 1 },
"FontID" => { "size" => 1, "a0" => 0 }, # enum
"FormEventHandlerType*" => { "size" => 4, "a0" => 1 },
"FormType*" => { "size" => 4, "a0" => 1 },
"FrameType" => { "size" => 2, "a0" => 0 },
"IndexedColorType" => { "size" => 1, "a0" => 0 }, # UInt8
"Int16" => { "size" => 2, "a0" => 0 },
"Int32" => { "size" => 4, "a0" => 0 },
"Int8" => { "size" => 1, "a0" => 0 },
"ListDrawDataFuncPtr" => { "size" => 4, "a0" => 1 },
"ListType*" => { "size" => 4, "a0" => 1 },
"LocalID" => { "size" => 4, "a0" => 0 },
"LocalID*" => { "size" => 4, "a0" => 1 },
"MemHandle" => { "size" => 4, "a0" => 1 },
"MemHandle*" => { "size" => 4, "a0" => 1 },
"MemPtr" => { "size" => 4, "a0" => 1 },
"MenuBarType*" => { "size" => 4, "a0" => 1 },
"RectangleType*" => { "size" => 4, "a0" => 1 },
"ScrollBarType*" => { "size" => 4, "a0" => 1 },
"SndSysBeepType" => { "size" => 1, "a0" => 0 },
"SysNotifyProcPtr" => { "size" => 4, "a0" => 1 },
"TimeFormatType" => { "size" => 1, "a0" => 0 }, # enum
"UInt16*" => { "size" => 4, "a0" => 1 },
"UInt32*" => { "size" => 4, "a0" => 1 },
"UInt8" => { "size" => 1, "a0" => 0 },
"WinDirectionType" => { "size" => 1, "a0" => 0 }, # enum
"WinDrawOperation" => { "size" => 1, "a0" => 0 }, # enum
"WinHandle" => { "size" => 4, "a0" => 1 },
"WinScreenModeOperation" => { "size" => 1, "a0" => 0 }, # enum
"WindowFormatType" => { "size" => 1, "a0" => 0 }, # enum
"char*" => { "size" => 4, "a0" => 1 },
"const Char*" => { "size" => 4, "a0" => 1 },
"const ControlType*" => { "size" => 4, "a0" => 1 },
"const CustomPatternType*" => { "size" => 4, "a0" => 1 },
"const EventType*" => { "size" => 4, "a0" => 1 },
"const FieldAttrType*" => { "size" => 4, "a0" => 1 },
"const FieldType*" => { "size" => 4, "a0" => 1 },
"const FormType*" => { "size" => 4, "a0" => 1 },
"const ListType*" => { "size" => 4, "a0" => 1 },
"const RGBColorType*" => { "size" => 4, "a0" => 1 },
"const RectangleType*" => { "size" => 4, "a0" => 1 },
"const char*" => { "size" => 4, "a0" => 1 },
"const void*" => { "size" => 4, "a0" => 1 },
"FormObjectKind" => { "size" => 1, "a0" => 0 }, # enum
"_Palm_va_list" => { "size" => 4, "a0" => 1 }, # it's a char*, likely never returned
);
sub name_compact($) {
my ( $name ) = @_;
$name =~ s/^\s*//;
$name =~ s/\s*$//;
return $name;
}
sub type_compact($) {
my ( $type ) = @_;
#print STDERR "1. $type\n";
$type = name_compact( $type );
$type =~ s/\s*(\*+)$/$1/; # remove spaces before any trailing *
#print STDERR "2. $type\n";
return $type;
}
# Split a string like "( type foo, type* bar, type *bazz, const type
# buzz )" into a list of hashes each with "type" and "name"
sub params_parse($) {
my ( $params ) = @_;
my @plist;
#print STDERR "1. $params\n";
# strip leading and training ws and params
$params =~ s/^\s*\(//;
$params =~ s/\)\s*$//;
$params =~ s/^void$//; # if just (void), nuke it
#split based on commas
my @params = split ",", $params;
@params = map {
s/^\s*//; # leading ws
s/\s*$//; # trailing ws
m|^([\w\s]+[\s\*]+)(\w+)$|; # split on space-or-star
{ "type" => type_compact($1), "name" => name_compact($2) };
} @params;
# foreach my $param (@params) {
# print STDERR $$param{"type"}, "\n";
# print STDERR $$param{"name"}, "\n";
# }
# print STDERR "got ", 0 + @params, "\n";
return \@params;
}
sub clean_type($) {
my ( $type ) = @_;
# trip white space off the type
$type =~ s/\s*\*/\*/;
$type =~ s/^\s*//;
$type =~ s/\s*$//;
$type =~ s/^\s*(\S*)\s*$/$1/;
my @out;
my @terms = split( '\s+', $type );
foreach my $term (@terms) {
if ( defined( $typeInfo{$term} ) ) {
} elsif ( "const" eq $term ) {
} elsif ( "extern" eq $term ) {
} else {
next;
}
push( @out, $term );
}
$type = join( " ", @out );
# print STDERR "clean_type => $type\n";
return $type;
}
sub searchOneFile($$) {
my ( $file, $function ) = @_;
my $base = basename($file);
my $contents = $contents{$base};
if ( ! $contents ) {
# read the file into a single long line, stripping
# (imperfectly) comments.
open FILE, "< $file";
# print STDERR "looking at file $file\n";
while( <FILE> ) {
chomp;
# remove // to eol comments
s|//.*$||;
$contents .= "$_ ";
}
close FILE;
# strip /*....*/ comments
$contents =~ s|/\*[^*]*\*+([^/*][^*]*\*+)*/||g;
$contents{$base} = $contents;
# print STDERR "$contents\n";
}
# a word-token, followed by at least ' ' or *, and another token.
# This one strips 'const' in 'const type func(params)'
# $contents =~ m/(\w+)([\s\*]+)$function\s*(\([^)]*\))/;
if ( $contents =~ m/([\w\s]+)([\s\*]+)$function\s*(\([^)]*\))[^V]*(VFSMGR_TRAP)\(([\w]+)\);/
|| $contents =~ m/([\w\s]+)([\s\*]+)$function\s*(\([^)]*\))[^S]*(SYS_TRAP)\(([\w]+)\);/
|| $contents =~ m/([\w\s]+)([\s\*]+)$function\s*(\([^)]*\))[^G]*(GRF_TRAP)\(([\w]+)\);/ ) {
# print STDERR "found something\n";
my ( $type, $params, $trapType, $trapSel ) = ( "$1$2", $3, $4, $5 );
# my ( $type, $params, $trapSel ) = ( $1, $2, $3 );
if ( $type && $params ) {
$type = clean_type($type);
my $found = "$type<->$function<->$params<->$trapSel<->$trapType";
print STDERR "$found\n";
$params = params_parse($params);
$funcInfo{$function} = { 'type' => $type,
'params' => $params,
'file' => $base,
'sel' => $trapSel,
'trapType' => $trapType,
};
$fileNames{$base} = 1;
return 1;
}
}
return 0;
} # searchOneFile
sub searchOneDir($$) {
my ( $dir, $function ) = @_;
# print STDERR "checking dir $dir\n";
opendir(DIR, $dir) || die "can't opendir $dir: $!";
my @files = readdir(DIR);
closedir DIR;
foreach my $file (@files) {
if ( $file =~ m|^\.| ) {
# skip if starts with .
} elsif ( -d "$dir/$file" ) {
searchOneDir( "$dir/$file", $function );
} elsif ( $file =~ m|\.h$| ) {
if ( searchOneFile( "$dir/$file", $function ) ) {
last;
}
}
}
} # searchOneDir
sub print_params_list($) {
my ( $params ) = @_;
my $result = "( ";
foreach my $param ( @$params ) {
$result .= $$param{"type"} . " ";
$result .= $$param{'name'} . ", ";
}
$result =~ s/, $//;
$result .= " )";
return $result;
}
sub push_param($$$) {
my ( $typ, $name, $offset ) = @_;
my $result;
my $info = $typeInfo{$typ};
if ( ! $info ) {
die "type \"$typ\" (name: $name) not listed\n";
} else {
my $size = $$info{'size'};
$result .= " ADD_TO_STACK$size($name, $$offset),\n";
if ( $size == 1 ) {
$$offset += 2;
} else {
$$offset += $size;
}
}
return "$result";
}
sub print_body($$$$) {
my ( $name, $returnType, $params, $trapSel ) = @_;
my $result;
my $offset = 0;
my $notVoid = $returnType !~ m|void$|;
$result .= "{\n";
if ( $notVoid ) {
$result .= " $returnType result;\n";
}
$result .= " FUNC_HEADER($name);\n";
$result .= " {\n";
$result .= " PNOState* sp = GET_CALLBACK_STATE();\n";
$result .= " unsigned char stack[] = {\n";
foreach my $param ( @$params ) {
$result .= push_param( $$param{"type"},
$$param{"name"},
\$offset );
}
$result .= " 0 };\n";
my $info = $typeInfo{$returnType};
if ( $info->{'a0'} ) {
$offset = "kPceNativeWantA0 | $offset";
}
$result .= " ";
if ( $notVoid ) {
$result .= "result = ($returnType)";
}
$result .= "(*sp->call68KFuncP)( sp->emulStateP, \n"
. " PceNativeTrapNo($trapSel),\n"
. " stack, $offset );\n";
$result .= " }\n FUNC_TAIL($name);\n";
if ( $notVoid ) {
$result .= " return result;\n";
}
$result .= "} /* $name */\n";
return $result;
}
sub print_func_impl($$$$$) {
my ( $returnType, $name,
$params, # ref-to-list created by params_parse above
$file, $trapSel ) = @_;
my $result;
$result .= "\n/* from file $file */\n";
$result .= "$returnType\n";
$result .= "$name" . print_params_list($params) . "\n";
$result .= print_body( $name, $returnType, $params, $trapSel );
return $result;
} # print_func_impl
###########################################################################
# Main
###########################################################################
open LIST, "<$funcList";
while ( <LIST> ) {
chomp;
# comments?
s/\#.*$//;
# white space
s/\s*(\w+)\s*/$1/;
next if ! length;
my $func = $_;
print STDERR "looking for $func\n";
my $found = 0;
open PATHS, "< $pathList";
while ( <PATHS> ) {
chomp;
my $path = $_;
if ( -d $path ) {
searchOneDir( $path, $func );
} elsif ( -e $path ) {
$found = searchOneFile( $path, $func );
if ( $found ) {
last;
}
}
}
close PATHS;
# if ( !$found ) {
# print STDERR "ERROR $func not found\n";
# }
}
close LIST;
open DOT, "> $dot_c";
print DOT "/********** this file is autogenerated by $0 ***************/\n\n";
#map { print DOT "#include <$_>\n"; } keys(%fileNames);
print DOT "\n";
print DOT <<EOF;
\#include "pnostate.h"
\#include "pace_gen.h"
\#include "pace_man.h"
EOF
foreach my $key (keys %funcInfo) {
my $ref = $funcInfo{$key};
my $type = $${ref}{"type"};
$type =~ s/extern\s*//; # "extern" doesn't belong in implementation
$type =~ s/(\S+)\s*$/$1/; # trailing whitespace
$type =~ s/^\s*(.*)/$1/; # leading ws
my $funcstr = print_func_impl( $type,
$key,
$$ref{'params'},
$$ref{'file'},
$$ref{'sel'});
print DOT $funcstr;
}
print DOT "#include \"pace_man.c\"\n";
close DOT;
open DOT, "> $dot_h";
print DOT "/********** this file is autogenerated by $0 ***************/\n\n";
my $def = "_" . uc($dot_h) . "_";
$def =~ s/\./_/;
print DOT "#ifndef $def\n";
print DOT "#define $def\n";
map { print DOT "#include <$_>\n"; } keys(%fileNames);
foreach my $key (keys %funcInfo) {
my $ref = $funcInfo{$key};
print DOT $${ref}{"type"}, " "
. $key . print_params_list($$ref{'params'}) . ";\n";
}
print DOT "\n#include \"pace_man.h\"\n";
print DOT "#endif /* $def */\n";
close DOT;