From 75944e3e755053bc2ebe9a2a8c55575941f79a56 Mon Sep 17 00:00:00 2001
From: Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
Date: Mon, 12 Jan 2015 21:54:59 +0100
Subject: Added missing executestate.h file (forgot that in previous commit),
 and solved issue #158, the Php::Object constructor for multiple parameters
 accidentally matched the call to Php::Object(name, implementation)

---
 include/base.h      | 12 ++++++++
 include/object.h    | 13 +++++++--
 zend/executestate.h | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 101 insertions(+), 3 deletions(-)
 create mode 100644 zend/executestate.h

diff --git a/include/base.h b/include/base.h
index f5ebed1..417aef0 100644
--- a/include/base.h
+++ b/include/base.h
@@ -34,6 +34,18 @@ protected:
      */
     Base() {}
 
+    /**
+     *  Copy constructor
+     * 
+     *  This copy constructor is explicitly defined to make sure that the
+     *  copied object does not already have an implementation in the zend engine.
+     *  Otherwise the copied object has the same object handle as the original
+     *  object.
+     * 
+     *  @param  base
+     */
+    Base(const Base &base) : _impl(nullptr) {}
+    
 public:
     /**
      *  Virtual destructor
diff --git a/include/object.h b/include/object.h
index 2e92f6a..0cdeb5c 100644
--- a/include/object.h
+++ b/include/object.h
@@ -64,17 +64,24 @@ public:
      */
     Object(Base *base) : Value(base) {}
 
+    /**
+     *  Constructor to create a new instance
+     *  @param  name        Name of the class to instantiate
+     */
+    Object(const char *name) : Value() { if (instantiate(name)) call("__construct"); }
+
     /**
      *  Constructor to create a new instance
      * 
-     *  This constructor comes in many different forms, to support all possible
-     *  number of parameters that are passed to the constructor
+     *  Note that it was not possible to create a constructor with signature
+     *  Object(const char *name, Args&&... args) because that overrides the
+     *  Object(const char *name, Base *base) constructor.
      *  
      *  @param  name        Name of the class to instantiate
      *  @param  args        Optional arguments
      */
     template <typename ...Args>
-    Object(const char *name, Args&&... args) : Value() { if (instantiate(name)) call("__construct", std::forward<Value>(args)...); }
+    Object(const char *name, Value arg0, Args&&... args) : Value() { if (instantiate(name)) call("__construct", arg0, std::forward<Value>(args)...); }
     
     /**
      *  Destructor
diff --git a/zend/executestate.h b/zend/executestate.h
new file mode 100644
index 0000000..8e33b16
--- /dev/null
+++ b/zend/executestate.h
@@ -0,0 +1,79 @@
+/**
+ *  ExecuteState.h
+ *
+ *  Class that keeps the current execution state (this is used when a different
+ *  script or file is eval'ed to store the execution state so that we can switch
+ *  back to the original state.
+ *
+ *  @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
+ *  @copyright 2014 Copernica BV
+ */
+
+/**
+ *  Set up namespace
+ */
+namespace Php {
+
+/**
+ *  Helper class to store and restore the current opcode state
+ * 
+ *  When we're going to execute a set of instructions, we need to store the
+ *  current state of the Zend engine. After the instructions have been processed,
+ *  we can switch back to the original instructions
+ */
+class ExecuteState
+{
+private:
+    /**
+     *  All the original settings
+     */
+    zend_op_array *_active_op_array;
+    zval **_return_value_ptr_ptr;
+    zend_op **_opline_ptr;
+    int _interactive;
+
+#ifdef ZTS
+    /**
+     *  When in thread safety mode, we also keep track of the TSRM_LS var
+     *  @var void***
+     */
+    void ***tsrm_ls;
+#endif
+    
+public:
+    /**
+     *  Constructor
+     */
+    ExecuteState(TSRMLS_D)
+    {
+        // store all the original stuff
+        _active_op_array = EG(active_op_array);
+        _return_value_ptr_ptr = EG(return_value_ptr_ptr);
+        _opline_ptr = EG(opline_ptr);
+        _interactive = CG(interactive);
+
+#ifdef ZTS
+        // copy tsrm_ls param
+        this->tsrm_ls = tsrm_ls;
+#endif
+    }
+
+    /**
+     *  Destructor
+     */
+    virtual ~ExecuteState()
+    {
+        // restore all settings
+        CG(interactive) = _interactive;
+        EG(no_extensions) = 0;
+        EG(opline_ptr) = _opline_ptr;
+        EG(active_op_array) = _active_op_array;
+        EG(return_value_ptr_ptr) = _return_value_ptr_ptr;
+    }
+};
+
+/**
+ *  End of namespace
+ */
+}
+
-- 
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