refactor(cfg): use distinct cfg for php version

Refs: #334

Author: Xenira

build.rs

@@ -221,9 +221,6 @@ fn check_php_version(info: &PHPInfo) -> Result<()> {
     // introduced in PHP 8.1).
     //
     // PHP 8.0 is the baseline - no feature flags will be introduced here.
-    //
-    // The PHP version cfg flags should also stack - if you compile on PHP 8.2 you
-    // should get both the `php81` and `php82` flags.
     const PHP_81_API_VER: u32 = 20210902;
 
     const PHP_82_API_VER: u32 = 20220829;
@@ -235,17 +232,20 @@ fn check_php_version(info: &PHPInfo) -> Result<()> {
     println!(
         "cargo::rustc-check-cfg=cfg(php80, php81, php82, php83, php84, php_zts, php_debug, docs)"
     );
-    println!("cargo:rustc-cfg=php80");
+
+    if version < PHP_81_API_VER {
+        println!("cargo:rustc-cfg=php80");
+    }
 
     if (PHP_81_API_VER..PHP_82_API_VER).contains(&version) {
         println!("cargo:rustc-cfg=php81");
     }
 
-    if version >= PHP_82_API_VER {
+    if (PHP_82_API_VER..PHP_83_API_VER).contains(&version) {
         println!("cargo:rustc-cfg=php82");
     }
 
-    if version >= PHP_83_API_VER {
+    if (PHP_83_API_VER..PHP_84_API_VER).contains(&version) {
         println!("cargo:rustc-cfg=php83");
     }
 

src/builders/class.rs

@@ -247,7 +247,7 @@ impl ClassBuilder {
         // disable serialization if the class has an associated object
         if self.object_override.is_some() {
             cfg_if::cfg_if! {
-                if #[cfg(any(php81, php82))] {
+                if #[cfg(not(php80))] {
                     class.ce_flags |= ClassFlags::NotSerializable.bits();
                 } else {
                     class.serialize = Some(crate::ffi::zend_class_serialize_deny);

src/flags.rs

@@ -2,7 +2,7 @@
 
 use bitflags::bitflags;
 
-#[cfg(not(php82))]
+#[cfg(any(php80, php81))]
 use crate::ffi::ZEND_ACC_REUSE_GET_ITERATOR;
 use crate::ffi::{
     CONST_CS, CONST_DEPRECATED, CONST_NO_FILE_CACHE, CONST_PERSISTENT, E_COMPILE_ERROR,
@@ -84,14 +84,14 @@ bitflags! {
         const ConstantsUpdated = ZEND_ACC_CONSTANTS_UPDATED;
         const NoDynamicProperties = ZEND_ACC_NO_DYNAMIC_PROPERTIES;
         const HasStaticInMethods = ZEND_HAS_STATIC_IN_METHODS;
-        #[cfg(not(php82))]
+        #[cfg(any(php80, php81))]
         const ReuseGetIterator = ZEND_ACC_REUSE_GET_ITERATOR;
         const ResolvedParent = ZEND_ACC_RESOLVED_PARENT;
         const ResolvedInterfaces = ZEND_ACC_RESOLVED_INTERFACES;
         const UnresolvedVariance = ZEND_ACC_UNRESOLVED_VARIANCE;
         const NearlyLinked = ZEND_ACC_NEARLY_LINKED;
 
-        #[cfg(any(php81,php82))]
+        #[cfg(not(php80))]
         const NotSerializable = crate::ffi::ZEND_ACC_NOT_SERIALIZABLE;
     }
 }

src/zend/_type.rs

@@ -83,7 +83,7 @@ impl ZendType {
             flags |= _ZEND_TYPE_NULLABLE_BIT
         }
         cfg_if::cfg_if! {
-            if #[cfg(php83)] {
+            if #[cfg(not(any(php80, php81, php82)))] {
                 flags |= crate::ffi::_ZEND_TYPE_LITERAL_NAME_BIT
             } else {
                 flags |= crate::ffi::_ZEND_TYPE_NAME_BIT

src/zend/globals.rs

@@ -10,7 +10,7 @@ use parking_lot::{const_rwlock, RwLock, RwLockReadGuard, RwLockWriteGuard};
 
 use crate::boxed::ZBox;
 use crate::exception::PhpResult;
-#[cfg(php82)]
+#[cfg(not(any(php80, php81)))]
 use crate::ffi::zend_atomic_bool_store;
 use crate::ffi::{
     _sapi_module_struct, _zend_executor_globals, ext_php_rs_executor_globals,
@@ -154,7 +154,7 @@ impl ExecutorGlobals {
     /// set with [`crate::ffi::zend_interrupt_function`].
     pub fn request_interrupt(&mut self) {
         cfg_if::cfg_if! {
-            if #[cfg(php82)] {
+            if #[cfg(not(any(php80, php81)))] {
                 unsafe {
                     zend_atomic_bool_store(&mut self.vm_interrupt, true);
                 }
@@ -167,7 +167,7 @@ impl ExecutorGlobals {
     /// Cancel a requested an interrupt of the PHP VM.
     pub fn cancel_interrupt(&mut self) {
         cfg_if::cfg_if! {
-            if #[cfg(php82)] {
+            if #[cfg(not(any(php80, php81)))] {
                 unsafe {
                     zend_atomic_bool_store(&mut self.vm_interrupt, false);
                 }