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__convert.pexe
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__convert.pexe
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<?php
$files = array(
'RAEdit',
'Function',
'Paint',
'Block',
'DragDrop',
'Position',
'ClipBoard',
'Misc',
'Edit',
'Undo',
'Memory',
'RAEditDll',
);
foreach($files as $file)
{
handle_file($file);
}
//////////////////////////////////////////////////////////////////////
function handle_file($file)
{
$in_file = $file.'.asm';
$out_file = 'C/'.$file.'.c';
$contents = file_get_contents($in_file);
$contents = str_replace("\r\n", "\n", $contents);
$contents = preprocess($contents);
$reading_code = false;
$out = '';
$indent = 0;
$stack_temp_used = 0;
$anon_labels = 0;
$in_nested_proc = false;
foreach(explode("\n", $contents) as $line_number => $line)
{
if(!$reading_code)
{
if(trim($line) == '.code')
$reading_code = true;
continue;
}
else if(trim($line) == '.data')
{
$reading_code = false;
continue;
}
else if(
trim($line) == 'IFDEF DLL' ||
trim($line) == 'End DllEntry'
)
break;
$ex = explode(';', $line, 2);
if(count($ex) > 1)
{
$line = trim($ex[0]);
$comment = trim($ex[1]);
}
else
{
$line = trim($line);
$comment = false;
}
if($line == '')
{
if($comment !== false)
$out .= parse_comment($comment, $indent);
else
$out .= "\n";
continue;
}
$c = parse_proc_start($line, $indent);
if($c)
assert($stack_temp_used == 0);
if(!$c)
$c = parse_proc_end($line, $indent, $in_nested_proc);
if($c)
{
assert($stack_temp_used == 0);
if($stack_temp_used != 0)
{
$a = 0;
}
}
if(!$c)
$c = parse_label($line, $indent, $in_nested_proc);
if(!$c)
$c = parse_anon_label($line, $indent, $anon_labels);
if(!$c)
$c = parse_jmp($line, $indent, $anon_labels);
if(!$c)
$c = parse_if_while($line, $indent);
if(!$c)
$c = parse_else_elseif($line, $indent);
if(!$c)
$c = parse_endif_endw($line, $indent);
if(!$c)
$c = parse_break($line, $indent);
if(!$c)
$c = parse_invoke($line, $indent);
if(!$c)
$c = parse_nested_call($line, $indent);
if(!$c)
$c = parse_add_sub_etc($line, $indent);
if(!$c)
$c = parse_rep_stosb($line, $indent);
if(!$c)
$c = parse_rep_stosd($line, $indent);
if(!$c)
$c = parse_rep_movsb($line, $indent, $comment);
if(!$c)
$c = parse_rep_movsd($line, $indent, $comment);
if(!$c)
$c = parse_std_cld($line, $indent, $comment);
if(!$c)
$c = parse_repe_cmpsd($line, $indent);
if(!$c)
$c = parse_inc_dec_etc($line, $indent);
if(!$c)
$c = parse_ret($line, $indent, $in_nested_proc);
if(!$c)
$c = parse_local($line, $indent);
if(!$c)
$c = parse_cwde($line, $indent);
if(!$c)
$c = parse_push($line, $indent, $stack_temp_used, $comment);
if(!$c)
$c = parse_pop($line, $indent, $stack_temp_used, $comment);
if(!$c)
$c = parse_xchg($line, $indent, $stack_temp_used);
if(!$c)
$c = parse_div_mul($line, $indent);
if(!$c)
$c = parse_assume($line, $indent);
if(!$c)
{
echo $out;
exit("Failed at line ".($line_number+1)."\n");
}
if($c === true)
continue;
if($comment != '')
{
if(substr_count($c, "\n") == 1 && substr($c, -1) == "\n")
{
$c = substr($c, 0, -1)." // $comment\n";
}
else
{
$c = str_repeat("\t", $indent).
"// $comment\n".
$c;
}
}
$out .= $c;
}
$out = postprocess($out, $file);
$out = str_replace("\n", "\r\n", $out);
file_put_contents($out_file, $out);
}
function preprocess($contents)
{
$p = <<<'EOF'
@
\n
(\s*)(cdq\s*)
\n
(\s*idiv\s)
@x
EOF;
$r = "\n";
$r .= '$1; $2'."\n";
$r .= '$3';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\n
(\s*)(xor\s+edx,edx\s*)
\n
(\s*div\s)
@x
EOF;
$r = "\n";
$r .= '$1; $2'."\n";
$r .= '$3';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\n
\s*align\s+\d+\s*
\n
@x
EOF;
$r = "\n\n";
$contents = preg_replace($p, $r, $contents);
return $contents;
}
function postprocess($contents, $filename)
{
$includes = "#include <windows.h>\n";
if($filename == 'Paint')
$includes .= "#include <commctrl.h>\n";
$includes .= "#include \"Data.h\"\n";
$contents = $includes . $contents;
$from = 'REG_T DllEntry(HINSTANCE hInst, DWORD reason, DWORD reserved1)';
$to = 'extern "C" DLL_EXPORT BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD reason, LPVOID reserved1)';
$contents = str_replace($from, $to, $contents);
// struct ptr
$p = <<<'EOF'
@
\[(\w+)\]\.(\w+)\.(\w+)
@x
EOF;
$r = '(($2 *)$1)->$3';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\[([\w+\-\s]+)\]\.(\w+)\.(\w+)
@x
EOF;
$r = '(($2 *)($1))->$3';
$contents = preg_replace($p, $r, $contents);
// byte/word/dword ptrs
$p = <<<'EOF'
@
\bbyte\s+ptr\s+\[(\w+)\]
@x
EOF;
$r = '*(BYTE *)$1';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bword\s+ptr\s+\[(\w+)\]
@x
EOF;
$r = '*(WORD *)$1';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bdword\s+ptr\s+\[(\w+)\]
@x
EOF;
$r = '*(DWORD *)$1';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bbyte\s+ptr\s+\[([\w+\-\s]+)\]
@x
EOF;
$r = '*(BYTE *)($1)';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bword\s+ptr\s+\[([\w+\-\s]+)\]
@x
EOF;
$r = '*(WORD *)($1)';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bdword\s+ptr\s+\[([\w+\-\s]+)\]
@x
EOF;
$r = '*(DWORD *)($1)';
$contents = preg_replace($p, $r, $contents);
// byte/word/dword ptrs with assignment
$p = <<<'EOF'
@
(\n\s*)
(\w[lh]\s*[+\-*]?=\s*)\[(e\w\w)\];
@x
EOF;
$r = '$1$2*(BYTE *)$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
\[(e\w\w)\](\s*[+\-*]?=\s*\w[lh]);
@x
EOF;
$r = '$1*(BYTE *)$2$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
(\w[lh]\s*[+\-*]?=\s*)\[([\w+\-*\s]+)\];
@x
EOF;
$r = '$1$2*(BYTE *)($3);';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
\[([\w+\-*\s]+)\](\s*[+\-*]?=\s*\w[lh]);
@x
EOF;
$r = '$1*(BYTE *)($2)$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
(\wx\s*[+\-*]?=\s*)\[(e\w\w)\];
@x
EOF;
$r = '$1$2*(WORD *)$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
\[(e\w\w)\](\s*[+\-*]?=\s*\wx);
@x
EOF;
$r = '$1*(WORD *)$2$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
(\wx\s*[+\-*]?=\s*)\[([\w+\-*\s]+)\];
@x
EOF;
$r = '$1$2*(WORD *)($3);';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
\[([\w+\-*\s]+)\](\s*[+\-*]?=\s*\wx);
@x
EOF;
$r = '$1*(WORD *)($2)$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
(e\w\w\s*[+\-*]?=\s*)\[(e\w\w)\];
@x
EOF;
$r = '$1$2*(DWORD *)$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
\[(e\w\w)\](\s*[+\-*]?=\s*e\w\w);
@x
EOF;
$r = '$1*(DWORD *)$2$3;';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
(e\w\w\s*[+\-*]?=\s*)\[([\w+\-*\s]+)\];
@x
EOF;
$r = '$1$2*(DWORD *)($3);';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(\n\s*)
\[([\w+\-*\s]+)\](\s*[+\-*]?=\s*e\w\w);
@x
EOF;
$r = '$1*(DWORD *)($2)$3;';
$contents = preg_replace($p, $r, $contents);
// registers
$p = <<<'EOF'
@
\b([abcd])l\b
@x
EOF;
$r = 'RBYTE_LOW(e$1x)';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\b([abcd])h\b
@x
EOF;
$r = 'RBYTE_HIGH(e$1x)';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\b([abcd])x\b
@x
EOF;
$r = 'RWORD(e$1x)';
$contents = preg_replace($p, $r, $contents);
// sizeof
$p = <<<'EOF'
@
\bsizeof\s+(\w+)\b
@x
EOF;
$r = 'sizeof($1)';
$contents = preg_replace($p, $r, $contents);
// addr/offset
$p = <<<'EOF'
@
\boffset\b\s+
@x
EOF;
$r = '';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\b(?:addr)\s+(\w+)\b
@x
EOF;
$r = '&$1';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\b(?:addr)\s+\[(.*?)\]
@x
EOF;
$r = '$1';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\b(?:addr|offset)\b
@x
EOF;
$r = '&';
$contents = preg_replace($p, $r, $contents);
// constants
$p = <<<'EOF'
@
\b([a-fA-F0-9]+)h\b
@x
EOF;
$r = '0x$1';
$contents = preg_replace($p, $r, $contents);
// sdword
$p = <<<'EOF'
@
\bsdword\s+ptr\s+(e\w\w)\s*([<>=]+)\s*(\d+)\b
@x
EOF;
$r = 'R_SIGNED($1) $2 $3';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bsdword\s+ptr\s+(e\w\w)\s*([<>=]+)\s*(e\w\w)\b
@x
EOF;
$r = 'R_SIGNED($1) $2 R_SIGNED($3)';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bsdword\s+ptr\s+(e\w\w)\s*([<>=]+)\s*(\w+|\(\(\w+\s+\*)
@x
EOF;
$r = 'R_SIGNED($1) $2 (SDWORD)$3';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
\bsdword\s+ptr\s+([\w.]+)\s*([<>=]+)\s*(\d+)\b
@x
EOF;
$r = '(SDWORD)$1 $2 $3';
$contents = preg_replace($p, $r, $contents);
// and/or/xor
$p = '@(=.*?)\band\b@';
$r = '$1&';
do {
$contents = preg_replace($p, $r, $contents, -1, $count);
} while($count > 0);
$p = '@(=.*?)\bor\b@';
$r = '$1|';
do {
$contents = preg_replace($p, $r, $contents, -1, $count);
} while($count > 0);
$p = '@(=.*?)\bxor\b@';
$r = '$1^';
do {
$contents = preg_replace($p, $r, $contents, -1, $count);
} while($count > 0);
$p = '@(=.*?)\bnot\b@';
$r = '$1~';
do {
$contents = preg_replace($p, $r, $contents, -1, $count);
} while($count > 0);
// remove address
$p = <<<'EOF'
@
&(CharTabInit|CharTab|CaseTab)\b
@x
EOF;
$r = '$1';
$contents = preg_replace($p, $r, $contents);
// byte ptr
$p = <<<'EOF'
@
\bbyte\s+ptr\s+(\w+)(\s+=)
@x
EOF;
$r = '*(BYTE *)(&$1)$2';
$contents = preg_replace($p, $r, $contents);
$p = <<<'EOF'
@
(=\s+)byte\s+ptr\s+(\w+)
@x
EOF;
$r = '$1(BYTE)$2';
$contents = preg_replace($p, $r, $contents);
// special cases
$from = "\nREG_T IsEqualGUID";
$to = "/*\nREG_T IsEqualGUID";
$contents = str_replace($from, $to, $contents);
$from = "} // IsEqualGUID\n";
$to = "} // IsEqualGUID\n*/";
$contents = str_replace($from, $to, $contents);
$from = "\nREG_T strlen";
$to = "/*\nREG_T strlen";
$contents = str_replace($from, $to, $contents);
$from = "} // strlen\n";
$to = "} // strlen\n*/";
$contents = str_replace($from, $to, $contents);
$from = "->iu.";
$to = "->lpVtbl->";
$contents = str_replace($from, $to, $contents);
$from = "dtp.iTabiLength";
$to = "dtp.iTabLength";
$contents = str_replace($from, $to, $contents);
$from = "dtp.uiiLengthDrawn";
$to = "dtp.uiLengthDrawn";
$contents = str_replace($from, $to, $contents);
$from = "'\\'";
$to = "'\\\\'";
$contents = str_replace($from, $to, $contents);
$from = "byte ptr ";
$to = "(BYTE)";
$contents = str_replace($from, $to, $contents);
// nested functions declaration
$contents = handle_nested_funcs($contents);
return $contents;
}
function handle_nested_funcs($contents)
{
$ex = explode("\nREG_T ", $contents);
foreach($ex as $index => &$func)
{
if($index == 0)
continue;
$p = '~void \w+\(void\)~';
preg_match_all($p, $func, $m);
if(count($m[0]) == 0)
continue;
$decls = '';
foreach($m[0] as $decl)
{
$decls .= "\tauto $decl;\n";
}
$ex2 = explode("\n\n", $func, 2);
$func = $ex2[0]."\n\n$decls\n".$ex2[1];
}
unset($func);
$contents = implode("\nREG_T ", $ex);
return $contents;
}
//////////////////////////////////////////////////////////////////////
function parse_proc_start($line, &$indent)
{
$p = <<<'EOF'
@
^
(\w+) # proc name
\s+proc # "proc"
(?:\s+public)? # "public"
(?:\s+uses\s+(e\w\w(?:\s+e\w\w)*)\s*(?:,|$))? # "uses esi edi"
\s*((?:\w+(?::\w+)?,)*\w+(?::\w+)?)? # arguments
$
@x
EOF;
if(!preg_match($p, $line, $m))
return false;
for($i=0; $i<=3; $i++)
$m[$i] = issetor($m[$i], '');
assert($indent == 0);
$proc_name = $m[1];
$registers = ($m[2] == '') ? '' : preg_replace('#^|\s+#', ', ', $m[2]);
$arguments = '';
if($m[3] != '')
{
foreach(explode(',', $m[3]) as $arg_type)
{
$ex = explode(':', $arg_type);
if(count($ex) != 2)
{
assert(count($ex) == 1);
list($arg, $type) = array($ex[0], 'REG_T');
}
else
list($arg, $type) = $ex;
$arguments .= "$type $arg, ";
}
$arguments = trim($arguments, ', ');
}
else
$arguments = 'void';
$out = "REG_T $proc_name($arguments)\n";
$out .= "{\n";
$out .= "\tREG_T eax = 0, ecx, edx$registers;\n";
$out .= "\tREG_T temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;\n";
$indent++;
return $out;
}
function parse_proc_end($line, &$indent, &$in_nested_proc)
{
$p = <<<'EOF'
@
^
(\w+)\s+ # proc name
endp # "endp"
$
@x
EOF;
if(!preg_match($p, $line, $m))
return false;
if($in_nested_proc)
{
assert($indent == 2);
$indent--;
$in_nested_proc = false;
$out = "\t}\n";
$out .= "\n";
}
else
{
assert($indent == 1);
$out = '';
}
$proc_name = $m[1];
$out .= "} // $proc_name\n";
$indent--;
return $out;
}
function parse_label($line, &$indent, &$in_nested_proc)
{
$p = <<<'EOF'
@
^
(\w+): # label name
$
@x
EOF;
if(!preg_match($p, $line, $m))
return false;
assert($indent >= 1);
$label_name = $m[1];
if(substr($label_name, 0, strlen('NestedProc_')) == 'NestedProc_')
{
if($in_nested_proc)
{
assert($indent >= 2);
$indent--;
$out0 = "}\n";
}
else
{
$in_nested_proc = true;
$out0 = '';
}
$label_name = substr($label_name, strlen('NestedProc_'));
$out = "void $label_name(void)\n";
$out .= "{\n";
$out .= "\tREG_T temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;\n";
if($out0 != '')
$out = indent($out0, $indent)."\n".indent($out, $indent);
else
$out = indent($out, $indent);
$indent++;
}
else if(
substr($label_name, 0, strlen('_REM_')) == '_REM_' ||
substr($label_name, 0, strlen('_EM_')) == '_EM_'
)
{
$label_name = substr($label_name, strlen('_'));
$out = "case $label_name:\n";
$out = indent($out, $indent-1);
}
else if($label_name == '_DefRichEditMsg' || $label_name == '_DefEditMsg')
{
$out = "default:\n";
$out = indent($out, $indent-1);
}
else
$out = "$label_name:\n";
return $out;
}
function parse_anon_label($line, &$indent, &$anon_labels)
{
$p = <<<'EOF'
~
^
@@: #
$
~x
EOF;
if(!preg_match($p, $line, $m))
return false;
assert($indent >= 1);
$anon_labels++;
$out = "anon_$anon_labels:\n";
return $out;
}
function parse_jmp($line, &$indent, $anon_labels)
{
// try special cases
switch($line)
{
case 'jmp DWORD PTR [offset _REM_BASE+eax*4]':
assert($indent >= 1);
$out = "switch(eax + REM_BASE)\n";
$out .= "{\n";
$out = indent($out, $indent);
$indent++;
return $out;
case 'jmp DWORD PTR [offset _RICHEDIT_MSG+eax*4]':
assert($indent >= 1);
$out = "switch(eax + EM_CANPASTE)\n";
$out .= "{\n";
$out = indent($out, $indent);
$indent++;
return $out;
case 'jmp DWORD PTR [offset _EDIT_MSG+eax*4]':
assert($indent >= 1);
$out = "switch(eax + EM_GETSEL)\n";
$out .= "{\n";
$out = indent($out, $indent);
$indent++;
return $out;
}
$p = <<<'EOF'
~
^
jmp\s+ # "jmp"
(\w+|@b|@f) # label name
$
~x
EOF;
if(!preg_match($p, $line, $m))
return false;
assert($indent >= 1);
$label_name = $m[1];
switch($label_name)
{
case '@b':
$out = "goto anon_$anon_labels;\n";
break;
case '@f':
$out = "goto anon_".($anon_labels+1).";\n";
break;
default:
$out = "goto $label_name;\n";
break;
}
return indent($out, $indent);
}
function parse_if_while($line, &$indent)
{
$p = <<<'EOF'
@
^
\.(if|while)\s+ # ".if" / ".while"
(.+?) # exp
$
@x
EOF;
if(!preg_match($p, $line, $m))
return false;
assert($indent >= 1);
$cond = $m[1];
$exp = $m[2];
$out = str_repeat("\t", $indent).
"$cond($exp)\n";
$out .= str_repeat("\t", $indent).
"{\n";
$indent++;
return $out;
}
function parse_else_elseif($line, &$indent)
{
$p = <<<'EOF'
@
^
\.(else|elseif) # ".else" / ".elseif"
(?:\s+(.+?))? # exp
$
@x
EOF;
if(!preg_match($p, $line, $m))
return false;
for($i=0; $i<=2; $i++)
$m[$i] = issetor($m[$i], '');
assert($indent > 1);
$cond = $m[1];
$exp = $m[2];
if($cond == 'elseif')
$cond = 'else if';
if($exp != '')
$exp = "($exp)";
else
assert($cond == 'else');
$out = str_repeat("\t", $indent-1).
"}\n";
$out .= str_repeat("\t", $indent-1).
"$cond$exp\n";
$out .= str_repeat("\t", $indent-1).
"{\n";
return $out;
}
function parse_endif_endw($line, &$indent)
{
$p = <<<'EOF'
@
^
\.(endif|endw) # ".endif" / ".endw"
$
@x
EOF;
if(!preg_match($p, $line, $m))
return false;