Split inheritance into separate file

This moves handling of inheritance and interface implementation
from zend_compile.c into a separate zend_inheritance.c file, as
this is not really related to compilation.

Zend/Zend.dsp

@@ -179,6 +179,10 @@ SOURCE=.\zend_indent.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\zend_inheritance.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\zend_ini.c
 # End Source File
 # Begin Source File

Zend/ZendTS.dsp

@@ -205,6 +205,10 @@ SOURCE=.\zend_indent.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\zend_inheritance.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\zend_ini.c
 # End Source File
 # Begin Source File

Zend/zend_API.c

@@ -27,6 +27,7 @@
 #include "zend_constants.h"
 #include "zend_exceptions.h"
 #include "zend_closures.h"
+#include "zend_inheritance.h"
 
 #ifdef HAVE_STDARG_H
 #include <stdarg.h>

Zend/zend_compile.h

@@ -449,14 +449,6 @@ void zend_do_free(znode *op1 TSRMLS_DC);
 ZEND_API int do_bind_function(const zend_op_array *op_array, const zend_op *opline, HashTable *function_table, zend_bool compile_time TSRMLS_DC);
 ZEND_API zend_class_entry *do_bind_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC);
 ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC);
-ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC);
-ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
-
-ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC);
-ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC);
-
-ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
-void zend_do_early_binding(TSRMLS_D);
 ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC);
 
 /* Functions for a null terminated pointer list, used for traits parsing and compilation */

Zend/zend_execute.c

@@ -38,6 +38,7 @@
 #include "zend_generators.h"
 #include "zend_vm.h"
 #include "zend_dtrace.h"
+#include "zend_inheritance.h"
 
 /* Virtual current working directory support */
 #include "zend_virtual_cwd.h"

Zend/zend_inheritance.h

@@ -0,0 +1,39 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Engine                                                          |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 2.00 of the Zend license,     |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.zend.com/license/2_00.txt.                                |
+   | If you did not receive a copy of the Zend license and are unable to  |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@zend.com so we can mail you a copy immediately.              |
+   +----------------------------------------------------------------------+
+   | Authors: Andi Gutmans <andi@zend.com>                                |
+   |          Zeev Suraski <zeev@zend.com>                                |
+   +----------------------------------------------------------------------+
+*/
+
+#ifndef ZEND_INHERITANCE_H
+#define ZEND_INHERITANCE_H
+
+#include "zend.h"
+
+BEGIN_EXTERN_C()
+
+ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC);
+ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
+
+ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC);
+ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC);
+
+ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
+void zend_do_early_binding(TSRMLS_D);
+
+END_EXTERN_C()
+
+#endif
+

configure.in

@@ -1490,11 +1490,8 @@ PHP_ADD_SOURCES(Zend, \
     zend_ini.c zend_qsort.c zend_multibyte.c zend_ts_hash.c zend_stream.c \
     zend_iterators.c zend_interfaces.c zend_exceptions.c zend_strtod.c zend_gc.c \
     zend_closures.c zend_float.c zend_string.c zend_signal.c zend_generators.c \
-    zend_virtual_cwd.c zend_ast.c)
-
-if test -r "$abs_srcdir/Zend/zend_objects.c"; then
-  PHP_ADD_SOURCES(Zend, zend_objects.c zend_object_handlers.c zend_objects_API.c zend_default_classes.c)
-fi
+    zend_virtual_cwd.c zend_ast.c zend_objects.c zend_object_handlers.c zend_objects_API.c \
+    zend_default_classes.c zend_inheritance.c)
 
 dnl Selectively disable optimization due to high RAM usage during
 dnl compiling the executor.