feat(std-array): 添加标准数组类型支持

- 添加了 TYPE_STD_ARRAY 常量定义
- 在全局头文件列表中加入 phpx_std_array.h
- 修复了嵌套数组索引解析逻辑，使用 convertIntExpr 方法转换整数表达式
- 优化了 std::array 函数参数解析，直接获取数值而非解析标量值
- 使用 TYPE_STD_ARRAY 常量替换硬编码的 std::array 字符串
- 修改返回值为注释格式的声明字符串以便调试

examples/array-loop/std-array.php

@@ -8,8 +8,7 @@ function main()
     $index = 9;
     $index2 = 5;
     $array[$index2][$index][0] = 2026;
-//    $array = std::array(native_types::type_int, 100);
-//    $array[99] = 2026;
+
     var_dump($array[$index2][$index][0]);
     var_dump($array[$index2][$index]);
 }

src/Php/CompilerBase.php

@@ -63,11 +63,11 @@ class CompilerBase extends \PhpAot\Core\Translator
     public const string TYPE_FLOAT = 'php::Float';
     public const string TYPE_OBJECT = 'php::Object';
     public const string TYPE_ARRAY = 'php::Array';
+    public const string TYPE_STD_ARRAY = 'php::StdArray';
     public const string TYPE_ARGS = 'php::Args';
     public const string TYPE_STR = 'php::Str';
     public const string TYPE_REF = 'php::Ref';
     public const string TYPE_VOID = 'void';
-    public const string TYPE_STD_ARRAY = 'std::array';
     public const int DECL_TYPE_OF_RETURN = 1;
     public const int DECL_TYPE_OF_PROPERTY = 2;
     public const int DECL_TYPE_OF_CONST = 3;
@@ -134,6 +134,7 @@ class CompilerBase extends \PhpAot\Core\Translator
     protected array $globalHeaders = [
         'phpx.h',
         'phpx_helper.h',
+        'phpx_std_array.h',
         'phpx_func.h',
         'php_func_decl.h',
         'php_global_var_decl.h',

src/Php/Parser/StdArrayParser.php

@@ -75,7 +75,7 @@ trait StdArrayParser
                     }
                 }
                 $index = $this->parseExpr($tmp->dim);
-                $nesting[] = '[' . Symbol::safeIndex($index, $info['sizes'][$level]) . ']';
+                $nesting[] = '[' . Symbol::safeIndex($this->convertIntExpr($index), $info['sizes'][$level]) . ']';
                 $tmp = $tmp->var;
                 $level++;
             } else {
@@ -103,7 +103,7 @@ trait StdArrayParser
             if (!$this->isScalarInt($tmp->args[1]->value)) {
                 $this->fatalError($tmp, 'std::array() expects second argument to be an integer');
             }
-            $size = $this->parseScalar($tmp->args[1]->value);
+            $size = $tmp->args[1]->value->value;
             $nesting[] = $size;
             $typeExpr = $tmp->args[0]->value;
             if ($this->isClassConstFetch($typeExpr)) {
@@ -135,7 +135,7 @@ trait StdArrayParser
             }
         }
 
-        $decl = str_repeat('std::array<', count($nesting));
+        $decl = str_repeat(self::TYPE_STD_ARRAY . '<', count($nesting));
         $decl .= $type;
         for ($i = count($nesting) - 1; $i >= 0; $i--) {
             $decl .= ', ' . $nesting[$i] . '>';
@@ -145,6 +145,6 @@ trait StdArrayParser
             'type' => $type,
             'sizes' => array_reverse($nesting),
         ];
-        return '';
+        return '// ' . $decl;
     }
 }

tests/aot/std-array/001.phpt

@@ -0,0 +1,27 @@
+--TEST--
+std array: 001
+--FILE--
+<?php
+function main() {
+    $array = std::array(native_types::type_int, 100);
+    $array[99] = 2026;
+    var_dump($array[99]);
+    var_dump($array[10]);
+    try {
+        $index = 100;
+        var_dump($array[$index]);
+    } catch (throwable $e) {
+        echo $e->getMessage();
+    }
+}
+?>
+--EXPECT--
+array(1) {
+  [0]=>
+  int(2026)
+}
+array(1) {
+  [0]=>
+  int(0)
+}
+Array index out of bounds: index 100, size 100