TFPExprIdentifierDefs class
Collection class for expression identifier definitions
Declaration
TFPExprIdentifierDefs = class(TCollection)Inheritance
- TFPExprIdentifierDefs
- TCollection
- TPersistent
- TObject
Description
This collection class manages a set of TFPExprIdentifierDef objects, providing methods for adding, removing, and searching identifier definitions. I t serves as a registry for all available variables and functions in an expression context.
Properties
Parser | protected | |
Identifiers | public | Access to identifier definitions by index |
Methods
Update | protected | Handler called when an item in the collection has changed. |
IndexOfIdentifier | public | Find the index of an identifier by name |
FindIdentifier | public | Find an identifier by name |
IdentifierByName | public | Get an identifier by name |
AddVariable | public | Add a variable to the identifier collection |
AddBooleanVariable | public | Add a boolean variable to the collection |
AddIntegerVariable | public | Add an integer variable to the collection |
AddFloatVariable | public | Add a float variable to the collection |
AddCurrencyVariable | public | Add a currency variable to the collection |
AddStringVariable | public | Add a string variable to the collection |
AddDateTimeVariable | public | Add a datetime variable to the collection |
AddFunction | public | Add a function to the collection |
Inherited
From TCollection (30)
Add Assign BeginUpdate Changed Clear Count Create Delete Destroy EndUpdate Exchange FindItemID GetAttr GetAttrCount GetEnumerator GetItem GetItemAttr GetNamePath Insert ItemClass Items Move Notify Owner PropName SetItem SetItemName SetPropName Sort UpdateCount
From TPersistent (6)
AssignTo DefineProperties FPOAttachObserver FPODetachObserver FPONotifyObservers GetOwner
From TObject (40)
AfterConstruction BeforeDestruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandler DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName newinstance QualifiedClassName SafeCallException StringMessageTable SystemHasExtendedRTTI ToString UnitName
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.