Remove unused codes.

Author: jmjoy

README.md

@@ -6,6 +6,7 @@ A library that allows us to write PHP extensions using pure Rust and using safe
 
 ## Requirement
 
+- php version: 
 - libclang >= 9
 
 ## Usage

phper-alloc/src/lib.rs

@@ -7,72 +7,3 @@ pub type EBox<T> = Box<T>;
 /// The Vec which use php `emalloc` and `efree` to manage memory.
 /// TODO now feature `allocator_api` is still unstable, using global allocator instead.
 pub type EVec<T> = Vec<T>;
-
-// pub struct Allocator {
-//     #[cfg(phper_debug)]
-//     zend_filename: *const std::os::raw::c_char,
-//     #[cfg(phper_debug)]
-//     zend_lineno: u32,
-//     #[cfg(phper_debug)]
-//     zend_orig_filename: *const std::os::raw::c_char,
-//     #[cfg(phper_debug)]
-//     zend_orig_lineno: u32,
-// }
-//
-// impl Allocator {
-//     pub const fn new(
-//         #[cfg(phper_debug)] zend_filename: *const std::os::raw::c_char,
-//         #[cfg(phper_debug)] zend_lineno: u32,
-//         #[cfg(phper_debug)] zend_orig_filename: *const std::os::raw::c_char,
-//         #[cfg(phper_debug)] zend_orig_lineno: u32,
-//     ) -> Self {
-//         Self {
-//             #[cfg(phper_debug)]
-//             zend_filename,
-//             #[cfg(phper_debug)]
-//             zend_lineno,
-//             #[cfg(phper_debug)]
-//             zend_orig_filename,
-//             #[cfg(phper_debug)]
-//             zend_orig_lineno,
-//         }
-//     }
-// }
-//
-// unsafe impl AllocRef for Allocator {
-//     fn alloc(&self, layout: Layout) -> Result<NonNull<[u8]>, AllocError> {
-//         unsafe {
-//             #[cfg(phper_debug)]
-//             let ptr = _emalloc(
-//                 layout.size(),
-//                 self.zend_filename,
-//                 self.zend_lineno,
-//                 self.zend_orig_filename,
-//                 self.zend_orig_lineno,
-//             );
-//             #[cfg(not(phper_debug))]
-//             let ptr = _emalloc(layout.size());
-//
-//             if ptr.is_null() {
-//                 Err(AllocError)
-//             } else {
-//                 let ptr = slice_from_raw_parts_mut(ptr.cast(), layout.size());
-//                 Ok(NonNull::new_unchecked(ptr))
-//             }
-//         }
-//     }
-//
-//     unsafe fn dealloc(&self, ptr: NonNull<u8>, _layout: Layout) {
-//         // Not the correct position of `efree`, but can work!.
-//         #[cfg(phper_debug)]
-//         _efree(
-//             ptr.as_ptr().cast(),
-//             self.zend_filename,
-//             self.zend_lineno,
-//             self.zend_orig_filename,
-//             self.zend_orig_lineno,
-//         );
-//         #[cfg(not(phper_debug))]
-//         _efree(ptr.as_ptr().cast());
-//     }
-// }