systemc: Implement the sc_attr classes.

Change-Id: Ibbe6da957b1b36687178f226e80718adc0f4ab81
Reviewed-on: https://gem5-review.googlesource.com/11609
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

2 files changed, 47 insertions, 79 deletions

diff --git a/src/systemc/core/sc_attr.cc b/src/systemc/core/sc_attr.cc
index ca9e0af66..37a6575de 100644
--- a/src/systemc/core/sc_attr.cc
+++ b/src/systemc/core/sc_attr.cc
@@ -27,115 +27,92 @@
  * Authors: Gabe Black
  */
 
+#include <utility>
+
 #include "base/logging.hh"
 #include "systemc/ext/core/sc_attr.hh"
 
 namespace sc_core
 {
 
-sc_attr_base::sc_attr_base(const std::string &)
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
+sc_attr_base::sc_attr_base(const std::string &_name) : _name(_name) {}
+sc_attr_base::sc_attr_base(const sc_attr_base &other) : _name(other._name) {}
+sc_attr_base::~sc_attr_base() {}
 
-sc_attr_base::sc_attr_base(const sc_attr_base &)
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
-
-sc_attr_base::~sc_attr_base()
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
-
-const std::string &
-sc_attr_base::name() const
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return *(const std::string *)nullptr;
-}
-
-void
-sc_attr_base::warn_unimpl(const char *func)
-{
-    warn("%s not implemented.\n", func);
-}
+const std::string &sc_attr_base::name() const { return _name; }
 
 sc_attr_cltn::iterator
 sc_attr_cltn::begin()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return (iterator)nullptr;
+    return cltn.begin();
 }
 
 sc_attr_cltn::const_iterator
 sc_attr_cltn::begin() const
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return (const_iterator)nullptr;
+    return cltn.begin();
 }
 
 sc_attr_cltn::iterator
 sc_attr_cltn::end()
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return (iterator)nullptr;
+    return cltn.end();
 }
 
 sc_attr_cltn::const_iterator
 sc_attr_cltn::end() const
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return (const_iterator)nullptr;
+    return cltn.end();
 }
 
-sc_attr_cltn::sc_attr_cltn()
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
-
-sc_attr_cltn::sc_attr_cltn(const sc_attr_cltn &)
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
-
-sc_attr_cltn::~sc_attr_cltn()
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
+sc_attr_cltn::sc_attr_cltn() {}
+sc_attr_cltn::sc_attr_cltn(const sc_attr_cltn &other) : cltn(other.cltn) {}
+sc_attr_cltn::~sc_attr_cltn() {}
 
 bool
-sc_attr_cltn::push_back(sc_attr_base *)
+sc_attr_cltn::push_back(sc_attr_base *attr)
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-    return false;
+    if (!attr || (*this)[attr->name()])
+        return false;
+
+    cltn.push_back(attr);
+    return true;
 }
 
 sc_attr_base *
 sc_attr_cltn::operator [] (const std::string &name)
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    for (auto &attr: cltn)
+        if (attr->name() == name)
+            return attr;
     return nullptr;
 }
 
 const sc_attr_base *
 sc_attr_cltn::operator [] (const std::string &name) const
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    for (auto &attr: cltn)
+        if (attr->name() == name)
+            return attr;
     return nullptr;
 }
 
 sc_attr_base *
 sc_attr_cltn::remove(const std::string &name)
 {
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
+    for (auto &attr: cltn) {
+        if (attr->name() == name) {
+            sc_attr_base *ret = attr;
+            std::swap(attr, cltn.back());
+            cltn.pop_back();
+            return ret;
+        }
+    }
     return nullptr;
 }
 
-void
-sc_attr_cltn::remove_all()
-{
-    warn("%s not implemented.\n", __PRETTY_FUNCTION__);
-}
+void sc_attr_cltn::remove_all() { cltn.clear(); }
+
+int sc_attr_cltn::size() const { return cltn.size(); }
 
 } // namespace sc_core
diff --git a/src/systemc/ext/core/sc_attr.hh b/src/systemc/ext/core/sc_attr.hh
index e1c5ae771..16b0b1bed 100644
--- a/src/systemc/ext/core/sc_attr.hh
+++ b/src/systemc/ext/core/sc_attr.hh
@@ -39,40 +39,32 @@ namespace sc_core
 class sc_attr_base
 {
   public:
-    sc_attr_base(const std::string &);
-    sc_attr_base(const sc_attr_base &);
+    sc_attr_base(const std::string &_name);
+    sc_attr_base(const sc_attr_base &other);
     virtual ~sc_attr_base();
 
     const std::string &name() const;
 
-  protected:
-    void warn_unimpl(const char *func);
-
   private:
     // Disabled
     sc_attr_base();
     sc_attr_base &operator = (const sc_attr_base &);
+
+    const std::string _name;
 };
 
 template <class T>
 class sc_attribute : public sc_attr_base
 {
   public:
-    sc_attribute(const std::string &_name) : sc_attr_base(_name)
-    {
-        warn_unimpl(__PRETTY_FUNCTION__);
-    }
+    sc_attribute(const std::string &_name) : sc_attr_base(_name) {}
     sc_attribute(const std::string &_name, const T &t) :
         sc_attr_base(_name), value(t)
-    {
-        warn_unimpl(__PRETTY_FUNCTION__);
-    }
+    {}
     sc_attribute(const sc_attribute<T> &other) :
         sc_attr_base(other.name()), value(other.value)
-    {
-        warn_unimpl(__PRETTY_FUNCTION__);
-    }
-    virtual ~sc_attribute() { warn_unimpl(__PRETTY_FUNCTION__); }
+    {}
+    virtual ~sc_attribute() {}
     T value;
 
   private:
@@ -85,8 +77,8 @@ class sc_attr_cltn
 {
   public:
     typedef sc_attr_base *elem_type;
-    typedef elem_type *iterator;
-    typedef const elem_type *const_iterator;
+    typedef std::vector<elem_type>::iterator iterator;
+    typedef std::vector<elem_type>::const_iterator const_iterator;
 
     iterator begin();
     const_iterator begin() const;
@@ -114,8 +106,7 @@ class sc_attr_cltn
     sc_attr_base *remove(const std::string &name);
 
     void remove_all();
-
-    int size() const { return cltn.size(); }
+    int size() const;
 
   private:
     std::vector<sc_attr_base *> cltn;