These helper functions simplify the implemention of common tasks. They can be used as is or can serve as the starting point for your own framework.
// Compare relation between two objects of the same type. // Uses the object's opCmp method to perform the comparison. // Returns a negative value if the comparison couldn't be performed. int CompareRelation(asIScriptEngine *engine, void *leftObj, void *rightObj, int typeId, int &result); // Compare equality between two objects of the same type. // Uses the object's opEquals method to perform the comparison, or if that doesn't exist the opCmp method. // Returns a negative value if the comparison couldn't be performed. int CompareEquality(asIScriptEngine *engine, void *leftObj, void *rightObj, int typeId, bool &result); // Compile and execute simple statements. // The module is optional. If given the statements can access the entities compiled in the module. // The caller can optionally provide its own context, for example if a context should be reused. int ExecuteString(asIScriptEngine *engine, const char *code, asIScriptModule *mod = 0, asIScriptContext *ctx = 0);
void Compare(asIScriptObject *a, asIScriptObject *b) { asIScriptEngine *engine = a->GetEngine(); int typeId = a->GetTypeId(); int cmp; int r = CompareRelation(engine, a, b, typeId, cmp); if( r < 0 ) { cout << "The relation between a and b cannot be established b" << endl; } else { if( cmp < 0 ) cout << "a is smaller than b" << endl; else if( cmp == 0 ) cout << "a is equal to b" << endl; else cout << "a is greater than b" << endl; } }