Changeset 490 for cpp

Timestamp:

03/30/16 17:08:08 (9 years ago)

Author:

Maciej Komosinski

Message:

Introduced general-use ErrorObject?, fixed enumeration of mixed private/public property lists

Location:

cpp/frams

Files:

• param/paramobj.cpp (modified) (4 diffs)
• param/paramobj.h (modified) (1 diff)
• util/extvalue.cpp (modified) (5 diffs)
• util/extvalue.h (modified) (2 diffs)
• vm/classes/collectionobj.cpp (modified) (1 diff)
• vm/classes/collectionobj.h (modified) (2 diffs)

cpp/frams/param/paramobj.cpp

@@ -23 +23 @@
 
 ParamEntry* ParamObject::makeParamTab(ParamInterface *pi, bool stripgroups, bool stripproc,
-                                      int firstprop, int maxprops, bool dupentries, int flagsexclude, bool addnew, const char* rename, bool readonly_into_userreadonly)
-{
+                                      int firstprop, int maxprops, bool dupentries, int flagsexclude_data, int flagsexclude_tab, bool addnew, const char* rename, bool readonly_into_userreadonly)
+{
+// flagsexclude_data - skip while calculating data offsets
+// flagsexclude_tab - skip while creating paramtab
+// usually _data==_tab, but vmneuron public properties need _data=0 and _tab=PARAM_USERHIDDEN (data object has all fields, paramtab skips private fields)
         ParamEntry *tab, *t;
         int i, n, offset;
@@ -30 +33 @@
         int count = 0, gcount = 1;
         if (!stripgroups) gcount = pi->getGroupCount();
-        if (stripproc || flagsexclude)
+        if (stripproc || flagsexclude_tab)
                 for (int i = firstprop; i < pi->getPropCount(); i++)
                 {
                 const char*t = pi->type(i);
                 if ((!stripproc) || (strchr("dfsox", *t)))
-                        if ((!flagsexclude) || (!(pi->flags(i)&flagsexclude)))
+                        if ((!flagsexclude_tab) || (!(pi->flags(i)&flagsexclude_tab)))
                                 if (++count >= maxprops) break;
                 }
@@ -72 +75 @@
                 if ((!stripproc) || (strchr("dfsox", type[0])))
                 {
-                        if ((!flagsexclude) || (!(pi->flags(i)&flagsexclude)))
+                        paInt flag=pi->flags(i);
+                        int tmp_offset;
+                        if ((!flagsexclude_data) || (!(flag&flagsexclude_data)))
                         {
                                 if (type[0]=='p')
-                                        t->offset=0;
+                                        tmp_offset=0;
                                 else
                                         {
-                                        t->offset = offset;
-                                        if (type[0] != 'x') t->offset += (((char*)&ex.data[0]) - ((char*)&ex));
+                                        tmp_offset = offset;
+                                        if (type[0] != 'x') tmp_offset += (((char*)&ex.data[0]) - ((char*)&ex));
                                         offset += sizeof(ExtValue);
                                         }
+                        }
+
+                        if ((!flagsexclude_tab) || (!(flag&flagsexclude_tab)))
+                        {
+                                t->offset=tmp_offset;
                                 t->group = (paInt)(stripgroups ? 0 : pi->group(i));
-                                t->flags = (paInt)pi->flags(i);
+                                t->flags = (paInt)flag;
                                 if (readonly_into_userreadonly && (t->flags & PARAM_READONLY))
                                         t->flags=(t->flags & ~PARAM_READONLY) | PARAM_USERREADONLY;
@@ -190 +200 @@
                 case 'f': v->setDouble(0); v++; break;
                 case 's': v->setString(SString::empty()); v++; break;
-                case 'o': v->setObject(ExtObject()); v++; break;
+                case 'o':
+                        {
+                        ExtObject new_obj;
+                        if (t->flags & PARAM_OBJECTSET)
+                                {
+                                ParamInterface *cls=ExtValue::findDeserializableClass(t->type+1);
+                                if (cls)
+                                        {
+                                        int new_fun = cls->findId("new");
+                                        if (new_fun>=0)
+                                                {
+                                                ExtValue dummy,new_value;
+                                                cls->call(new_fun, &dummy, &new_value);
+                                                new_obj=new_value.getObject();
+                                                }
+                                        }
+                                }
+                        v->setObject(new_obj);
+                        v++;
+                        }
+                        break;
                 case 'x': v++; break;
         }

cpp/frams/param/paramobj.h

@@ -53 +53 @@
                 ParamObject::freeObject(obj2);
                 */
-        static ParamEntry* makeParamTab(ParamInterface *pi, bool stripgroups = 0, bool stripproc = 0, int firstprop = 0, int maxprops = 9999, bool dupentries = false, int flagsexclude = 0, bool addnew = false, const char* rename = NULL,bool readonly_into_userreadonly=false);
+        static ParamEntry* makeParamTab(ParamInterface *pi, bool stripgroups = 0, bool stripproc = 0, int firstprop = 0, int maxprops = 9999, bool dupentries = false, int flagsexclude_data = 0, int flagsexclude_tab = 0, bool addnew = false, const char* rename = NULL,bool readonly_into_userreadonly=false);
 
         /** deallocate paramtab obtained from makeParamTab() */

cpp/frams/util/extvalue.cpp

@@ -357 +357 @@
 }
 
+void ExtValue::setError(const SString& msg)
+{
+ErrorObject *err=new ErrorObject;
+err->message=msg;
+setObject(ErrorObject::makeDynamicObject(err));
+}
+
 static ExtValue::CompareResult longsign(paInt x)
 {
@@ -369 +376 @@
         if ((v.getType() == TInt) && (v.getInt() == 0)) return ExtValue::ResultUnequal_RelaxedEqual;
         return ExtValue::ResultUnequal_RelaxedUnequal; //comparing anything else with null is valid but null is neither higher nor lower than numbers or strings
+}
+
+static ExtValue::CompareResult compareInvalid(const ExtValue& v)
+{
+        if (v.getType()==TInvalid) return ExtValue::ResultEqualUnordered;
+        if ((v.getType() == TInt) && (v.getInt() == 0)) return ExtValue::ResultUnequal_RelaxedEqual;
+        return ExtValue::ResultMismatch; //comparing anything else with invalid is invalid
 }
 
@@ -392 +406 @@
         else if (src.isNull())
                 return compareNull(*this);
+        if (getType()==TInvalid)
+                return compareInvalid(src);
+        else if (src.getType()==TInvalid)
+                return compareInvalid(*this);
         switch (type)
         {
@@ -1121 +1139 @@
                 return in + 5;
         }
-        else if (!strncmp(in, "invalid", 9))
+        else if (!strncmp(in, "invalid", 7))
         {
                 setInvalid();
-                return in + 9;
+                return in + 7;
         }
         else if (*in == '<')
         { //unserializable object
-                setInvalid();
-                while (*in)
-                        if (*in == '>')
-                                return in + 1;
-                        else in++;
-                        return in;
+                const char* end=in+1;
+                while (*end)
+                        if (*end == '>')
+                                {
+                                setError(SString("Unserializable class: ")+SString(in+1,end-in-1));
+                                return end+1;
+                                }
+                        else
+                                end++;
+                logPrintf("ExtValue", "deserialize", LOG_ERROR, "Missing '>'");
+                return NULL;
         }
         else if (*in == '^')
@@ -1236 +1259 @@
         return v.toString();
 }
+
+#define FIELDSTRUCT ErrorObject
+static ParamEntry errorobject_paramtab[]=
+{
+{"Error",1,3,"Error",},
+{"message",0,0,"Message","s",FIELD(message),},
+{"newFromString",0,0,"create new object","p oError(s message)",PROCEDURE(p_newfromstring),},
+{"toString",0,PARAM_READONLY | PARAM_NOSTATIC,"Textual form","s",GETONLY(toString),},
+{0,0,0,},
+};
+#undef FIELDSTRUCT
+
+Param& ErrorObject::getParam()
+{
+        static Param param(errorobject_paramtab);
+        return param;
+}
+
+ExtObject ErrorObject::makeDynamicObject(ErrorObject* e)
+{
+        return ExtObject(&getParam(), (DestrBase*)e);
+}
+
+const SString ErrorObject::TO_STRING_PREFIX="Error: ";
+
+void ErrorObject::get_toString(ExtValue* ret)
+{
+ret->setString(TO_STRING_PREFIX+message);
+}
+
+void ErrorObject::p_newfromstring(ExtValue *args, ExtValue *ret)
+{
+ErrorObject *err=new ErrorObject();
+err->message=args[0].getString();
+if (err->message.startsWith(TO_STRING_PREFIX.c_str()))
+        err->message=err->message.substr(TO_STRING_PREFIX.len());
+*ret = makeDynamicObject(err);
+}
+
+REGISTER_DESERIALIZABLE(ErrorObject)

cpp/frams/util/extvalue.h

@@ -185 +185 @@
         void setEmpty();
         void setInvalid() { setEmpty(); type = TInvalid; }
+        void setError(const SString& msg);
         bool makeUnique() { return (type == TObj) && odata().makeUnique(); } //< @return false if nothing has changed
         ExtPType getType() const { return type; }
@@ -243 +244 @@
 #define REGISTER_DESERIALIZABLE(name) ExtValue::AddDeserializable<name> deserializable_autoinit_ ## name;
 
-#endif
+class ErrorObject: public DestrBase
+{
+  public:
+SString message;
+static Param& getParam();
+static Param& getStaticParam() {return getParam();}
+static ExtObject makeDynamicObject(ErrorObject* e);
+static const SString TO_STRING_PREFIX;
+#define STATRICKCLASS ErrorObject
+PARAMGETDEF(toString);
+PARAMPROCDEF(p_newfromstring);
+#undef STATRICKCLASS
+};
+
+#endif

cpp/frams/vm/classes/collectionobj.cpp

@@ -545 +545 @@
         ret->setEmpty();
 }
+
+// not actually needed for deserialization (vector and dict are special cases) but findDeserializableClass can be also used in other contexts
+REGISTER_DESERIALIZABLE(VectorObject)
+REGISTER_DESERIALIZABLE(DictionaryObject)

cpp/frams/vm/classes/collectionobj.h

@@ -25 +25 @@
 VectorObject():readonly(0),owndata(1) {}
 ~VectorObject() {clear();}
+static Param& getStaticParam() {return par;}
 #define STATRICKCLASS VectorObject
 PARAMPROCDEF(p_clear) {if (readonly) return; clear();}
@@ -62 +63 @@
 DictionaryObject():it(hash),it_index(-1) {}
 ~DictionaryObject() {clear();}
+static Param& getStaticParam() {return par;}
 #define STATRICKCLASS DictionaryObject
 PARAMPROCDEF(p_clear) {clear();}