test(named_args): 添加命名参数功能测试用例

- 添加基本命名参数功能测试 (001.phpt)
- 添加跳过可选参数的命名参数测试 (002.phpt)
- 添加混合位置和命名参数的测试 (004.phpt, 005.phpt)
- 在ArgInfo类中添加默认值表达式存储字段
- 在编译器中实现命名参数空洞填充默认值逻辑
- 移除二进制文件名数字前缀处理逻辑

run-tests.php

@@ -4210,9 +4210,6 @@ function compile_php_file(string $file): string
     }
     system('./bin/compiler.php ' . $file);
     $binary_file = str_replace('-', '_', basename($file, '.php'));
-    if (is_numeric($binary_file)) {
-        $binary_file = 'app_' . $binary_file;
-    }
     if (!file_exists($binary_file)) {
         throw new Exception('Compilation failed');
     }

src/Php/ArgInfo.php

@@ -8,11 +8,14 @@
 
 namespace PhpAot\Php;
 
+use PhpParser\Node\Expr;
+
 class ArgInfo
 {
     public string $name;
     public string $type;
     public string $default = '';
+    public ?Expr $defaultValue = null;
     public bool $byRef = false;
     public bool $variadic = false;
     public bool $property = false;

src/Php/CompilerBase.php

@@ -995,6 +995,7 @@ class CompilerBase extends \PhpAot\Core\Translator
             if ($param->default) {
                 $defaultValueCount++;
                 $argInfo->default = $this->parseParamDefaultValue($param->default);
+                $argInfo->defaultValue = $param->default;
             }
             $functionDef->argInfoList[] = $argInfo;
         }
@@ -2246,6 +2247,12 @@ class CompilerBase extends \PhpAot\Core\Translator
         }
         // 对 key 进行排序，确保参数顺序正确
         if ($hasNamedArg) {
+            // 命名参数中间存在空洞，需要使用默认参数填充
+            foreach ($functionDef->argInfoList as $k => $argInfo) {
+                if (!isset($args[$k])) {
+                    $args[$k] = new Node\Arg($argInfo->defaultValue);
+                }
+            }
             ksort($args);
         }
 

tests/aot/named_args/001.phpt

@@ -0,0 +1,53 @@
+--TEST--
+Named Arguments - PHP 8+ function call syntax
+--FILE--
+<?php
+// Test basic named arguments
+function create_user($name, $email, $age = 18, $active = true) {
+    return [
+        'name' => $name,
+        'email' => $email,
+        'age' => $age,
+        'active' => $active,
+    ];
+}
+
+function main() {
+    // Test basic named arguments
+    $user1 = create_user(
+        name: 'John Doe',
+        email: 'john@example.com',
+        age: 25
+    );
+    var_dump($user1);
+    
+    // Test skipping optional parameters
+    $user2 = create_user(
+        name: 'Jane Smith',
+        email: 'jane@example.com'
+    );
+    var_dump($user2);
+}
+?>
+--EXPECT--
+array(4) {
+  ["name"]=>
+  string(8) "John Doe"
+  ["email"]=>
+  string(16) "john@example.com"
+  ["age"]=>
+  int(25)
+  ["active"]=>
+  bool(true)
+}
+array(4) {
+  ["name"]=>
+  string(10) "Jane Smith"
+  ["email"]=>
+  string(16) "jane@example.com"
+  ["age"]=>
+  int(18)
+  ["active"]=>
+  bool(true)
+}
+

tests/aot/named_args/002.phpt

@@ -0,0 +1,35 @@
+--TEST--
+Named Arguments - PHP 8+ function call syntax
+--FILE--
+<?php
+// Test basic named arguments
+function create_user($name, $email, $age = 18, $active = true) {
+    return [
+        'name' => $name,
+        'email' => $email,
+        'age' => $age,
+        'active' => $active,
+    ];
+}
+
+function main() {
+    // Test all defaults
+    $user3 = create_user(
+        name: 'Bob',
+        email: 'bob@example.com',
+        active: false
+    );
+    var_dump($user3);
+}
+?>
+--EXPECT--
+array(4) {
+  ["name"]=>
+  string(3) "Bob"
+  ["email"]=>
+  string(15) "bob@example.com"
+  ["age"]=>
+  int(18)
+  ["active"]=>
+  bool(false)
+}

tests/aot/named_args/004.phpt

@@ -0,0 +1,117 @@
+--TEST--
+Named Arguments - PHP 8+ function call syntax
+--FILE--
+<?php
+// Test named arguments with required params
+function multiply($a, $b, $scale = 1) {
+    return ($a * $b) * $scale;
+}
+
+// Test all optional parameters
+function greet($greeting = 'Hello', $name = 'World', $punctuation = '!') {
+    return $greeting . ', ' . $name . $punctuation;
+}
+
+// Test mixed positional and named
+function format_string($prefix, $content, $suffix = '') {
+    return $prefix . $content . $suffix;
+}
+
+// Test named arguments order independence
+function build_query($table, $fields = ['*'], $where = '', $limit = 100) {
+    return [
+        'table' => $table,
+        'fields' => $fields,
+        'where' => $where,
+        'limit' => $limit,
+    ];
+}
+
+function main() {
+    // Test named arguments with math
+    var_dump(multiply(a: 5, b: 10));
+    var_dump(multiply(a: 5, b: 10, scale: 2));
+    var_dump(multiply(scale: 3, a: 4, b: 6));
+    
+    // Test all optional with named
+    var_dump(greet());
+    var_dump(greet(greeting: 'Hi'));
+    var_dump(greet(name: 'Alice'));
+    var_dump(greet(punctuation: '?', greeting: 'How are you', name: ''));
+    
+    // Test mixed positional and named (positional must come first)
+    var_dump(format_string('[', 'content', ']'));
+    var_dump(format_string('[', 'content', suffix: ')'));
+
+    // Test build query with various combinations
+    $query1 = build_query(table: 'users');
+    var_dump($query1);
+    
+    $query2 = build_query(
+        table: 'products',
+        fields: ['id', 'name', 'price'],
+        where: 'active = 1'
+    );
+    var_dump($query2);
+    
+    $query3 = build_query(
+        limit: 10,
+        table: 'orders',
+        where: 'status = "pending"'
+    );
+    var_dump($query3);
+}
+?>
+--EXPECT--
+int(50)
+int(100)
+int(72)
+string(13) "Hello, World!"
+string(10) "Hi, World!"
+string(13) "Hello, Alice!"
+string(14) "How are you, ?"
+string(9) "[content]"
+string(9) "[content)"
+array(4) {
+  ["table"]=>
+  string(5) "users"
+  ["fields"]=>
+  array(1) {
+    [0]=>
+    string(1) "*"
+  }
+  ["where"]=>
+  string(0) ""
+  ["limit"]=>
+  int(100)
+}
+array(4) {
+  ["table"]=>
+  string(8) "products"
+  ["fields"]=>
+  array(3) {
+    [0]=>
+    string(2) "id"
+    [1]=>
+    string(4) "name"
+    [2]=>
+    string(5) "price"
+  }
+  ["where"]=>
+  string(10) "active = 1"
+  ["limit"]=>
+  int(100)
+}
+array(4) {
+  ["table"]=>
+  string(6) "orders"
+  ["fields"]=>
+  array(1) {
+    [0]=>
+    string(1) "*"
+  }
+  ["where"]=>
+  string(18) "status = "pending""
+  ["limit"]=>
+  int(10)
+}

tests/aot/named_args/005.phpt

@@ -0,0 +1,20 @@
+--TEST--
+Named Arguments - PHP 8+ function call syntax
+--FILE--
+<?php
+// Test mixed positional and named
+function format_string($prefix, $content, $suffix = '') {
+    return $prefix . $content . $suffix;
+}
+
+function main() {
+    // Test mixed positional and named (positional must come first)
+    var_dump(format_string('[', 'content', ']'));
+    var_dump(format_string('[', 'content', suffix: ')'));
+    var_dump(format_string('<<', 'data', suffix: '>>'));
+}
+?>
+--EXPECT--
+string(9) "[content]"
+string(9) "[content)"
+string(8) "<<data>>"