Class TCasScriptValue
Unit
CastleScript
Declaration
type TCasScriptValue = class(TCasScriptExpression)
Description
No description available, ancestor TCasScriptExpression description follows
Hierarchy
Overview
Methods
Properties
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property Writeable: boolean read FWriteable write FWriteable; |
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property OwnedByParentExpression: boolean
read FOwnedByParentExpression write FOwnedByParentExpression
default true; |
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property Name: string read FName write FName; |
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property ValueAssigned: boolean read FValueAssigned write FValueAssigned
default false; |
Description
Methods
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constructor Create(const AWriteable: boolean); virtual; |
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procedure AssignValue(Source: TCasScriptValue); virtual; abstract; |
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Assign value from Source to Self.
Exceptions raised
- ECasScriptAssignError
- if assignment is not possible because types don't match.
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Properties
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property Writeable: boolean read FWriteable write FWriteable; |
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Is this value writeable. If not, this will not be allowed to change by CastleScript assignment and such functions. Note that Writeable = False will not prevent you from changing value internally, by AssignValue or changin Value property directly (that would be too uncomfortable).
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property OwnedByParentExpression: boolean
read FOwnedByParentExpression write FOwnedByParentExpression
default true; |
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property Name: string read FName write FName; |
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Name of this value, or '' if not named. Named value can be recognized in expressions by CastleScriptParser.
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property ValueAssigned: boolean read FValueAssigned write FValueAssigned
default false; |
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Set to True on each assign to Value. You can reset it at any time to False.
This allows the caller to know which variables were assigned during script execution, which is useful if changes to CastleScript variables should be propagated to some other things after the script finished execution. This is essential for behavior in VRML/X3D Script node.
Descendants note: you have to set this to True in SetValue.
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