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#!/usr/bin/env php
<?php
$types = [
'string'=>'IS_STRING',
'int'=>'IS_LONG',
'float'=>'IS_DOUBLE',
'double'=>'IS_DOUBLE',
'bool'=>'_IS_BOOL',
'boolean'=>'_IS_BOOL',
'array'=>'IS_ARRAY',
'objects'=>'IS_OBJECT',
'resource'=>'IS_RESOURCE',
'callable'=>'IS_CALLABLE',
'callback'=>'IS_CALLABLE'
];
$file_contents = file_get_contents($argv[1]);
$m = preg_match_all("~^\s*/\*\s+\{{3}\s+proto\s+(\S+)\s+(\w+)\s*\((.*?)\)~mU", $file_contents, $matches);
if($m) {
$rets = $names = $param_strs = [];
foreach($matches[1] as $mk => $mv) {
$origs[] = $matches[0][$mk];
$rets[] = $matches[1][$mk];
$names[] = $matches[2][$mk];
$param_strs[] = $matches[3][$mk];
}
foreach($names as $k => $name) {
$ret = $rets[$k];
$param_str = $param_strs[$k];
list(,$orig) = explode('proto ', $origs[$k]);
list($count, $optional, $args) = parse_params($param_str);
$required = $count - $optional;
echo "/* ".trim($orig)." */\n";
if(!empty($types[$ret])) {
echo "ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_{$name}, 0, {$required}, {$types[$ret]}, 0, 0)\n";
} else {
echo "ZEND_BEGIN_ARG_INFO_EX(arginfo_{$name}, 0, 0, {$required})\n";
}
foreach($args as $arg) {
list($type, $name) = explode(' ', trim($arg), 2);
list($name) = explode('|', trim($name), 2); // No |'s in the names - choose the first
$name = trim($name);
if ($ref = ($name[0] == "&")) {
$name = trim(substr($name, 1));
}
list($name, $default) = explode("=", $name, 2);
$name = trim($name);
$allow_null = (int) (trim($default) == "null");
$ref = (int) $ref;
$type=trim($type);
if(!empty($types[$type])) {
echo "\tZEND_ARG_TYPE_INFO($ref, {$name}, {$types[$type]}, $allow_null)\n";
} else {
echo "\tZEND_ARG_INFO($ref, {$name})\n";
}
}
echo "ZEND_END_ARG_INFO()\n\n";
}
} else {
echo "No function prototypes found in {$argv[1]}\n";
}
function parse_params($str) {
$str = trim(strtolower($str));
if(empty($str) || $str=='void') return [0,0,[]];
$params = explode(',', $str);
$optional = 0;
$args = [];
foreach($params as $i=>$p) {
$p = trim($p);
if($p[0]=='[') {
$optional++;
$p = ltrim($p, '[ ');
} else if($i) {
if(substr($params[$i-1],-1)=='[') $optional++;
}
$p = rtrim($p, ' ][');
$args[$i] = $p;
}
return [$i+1,$optional, $args];
}
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