OntoDL Statement: set: Unterschied zwischen den Versionen
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== Syntax == | == Syntax == | ||
| − | + | <font face="courier"> | |
| − | {|border="0" | + | {|border="0" |
| − | | ''SetStatement'' | + | |- style="vertical-align:top" |
| − | | := | + | | style="width:10em" | ''SetStatement'' |
| − | | '''set''' [[OntoDL Syntax: InternalReference|''InternalReference'']] ''SetOperator'' ''CopyMode''? ''AssignedValue'' | + | | style="width:3em" | := |
| − | |- | + | | style="width:36em" | '''set''' [[OntoDL Syntax: InternalReference|''InternalReference'']] ''SetOperator'' ''CopyMode''? ''AssignedValue'' |
| + | | style="width:1em" | | ||
| + | | <font face="arial" size="2"> </font> | ||
| + | |- style="vertical-align:top" | ||
| ''AssignedValue'' | | ''AssignedValue'' | ||
| := | | := | ||
| [[OntoDL Syntax: InternalReference|''InternalReference'']] | | [[OntoDL Syntax: InternalReference|''InternalReference'']] | ||
| + | | | ||
| + | | | ||
|- | |- | ||
| | | | ||
| style="text-align:right" | | | | style="text-align:right" | | | ||
| '''=''' [[OntoDL Syntax: QualifiedConcept|''QualifiedConcept'']] | | '''=''' [[OntoDL Syntax: QualifiedConcept|''QualifiedConcept'']] | ||
| − | |- | + | | |
| + | | | ||
| + | |- style="vertical-align:top" | ||
| | | | ||
| style="text-align:right" | | | | style="text-align:right" | | | ||
| '''=''' [[OntoDL Syntax: Text|''Text'']] | | '''=''' [[OntoDL Syntax: Text|''Text'']] | ||
| − | |- | + | | |
| + | | <font face="arial" size="2"></font> | ||
| + | |- style="vertical-align:top" | ||
| ''SetOperator'' | | ''SetOperator'' | ||
| := | | := | ||
| − | | | + | | '''=''' | '''$=''' | '''-=''' | '''+=''' | ''':=''' |
| − | |||
| | | | ||
| − | | | + | |<font face="arial" size="2">controls the behavior of the set-statement, e. g. if a collection shall be extended by the ''AssignedValue'' or if the ''AssignedValue'' shall replace the existing contents of the collection (see section below for details)</font> |
| − | + | ||
| − | |- | + | |- style="vertical-align:top" |
| ''CopyMode'' | | ''CopyMode'' | ||
| := | | := | ||
| − | | | + | | '''=''' |
| + | | | ||
| + | | <font face="arial" size="2">signals that a full copy of the ''Assigned Value'' shall be created before assigning it to an object (see section below for details)</font> | ||
|} | |} | ||
</font> | </font> | ||
Version vom 7. September 2016, 14:05 Uhr
Syntax
| SetStatement | := | set InternalReference SetOperator CopyMode? AssignedValue | ||
| AssignedValue | := | InternalReference | ||
| | | = QualifiedConcept | |||
| | | = Text | |||
| SetOperator | := | $= | -= | += | := | controls the behavior of the set-statement, e. g. if a collection shall be extended by the AssignedValue or if the AssignedValue shall replace the existing contents of the collection (see section below for details) | |
| CopyMode | := | = | signals that a full copy of the Assigned Value shall be created before assigning it to an object (see section below for details) |
Semantics of the set-operator
| Operator | Sematics | a=string b=string |
a=object b=object |
a=empty collection | a=collection b=string |
a=collection b=object |
|---|---|---|---|---|---|---|
| $= | String Concatenation | ab | error | { b } | {a1b, .. , anb} | error |
