Concepts and realization of a diagram editor generator based on hypergraph transformation
Science of Computer Programming - Special issue on applications of graph transformations (GRATRA 2000)
Syntax analysis for diagram editors: a constraint satisfaction problem
Proceedings of the working conference on Advanced visual interfaces
Towards Syntax-Aware Editors for Visual Languages
Electronic Notes in Theoretical Computer Science (ENTCS)
Syntax analysis for diagram editors: a constraint satisfaction problem
Proceedings of the working conference on Advanced visual interfaces
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Visual language syntax can be specified by grammars or meta-models. Grammars are more complicated to build than meta-models, but allow for parsing of visual sentences which is necessary for building free-hand editors. Parsing has not yet been considered for meta-model-based specifications. Such visual editors support only structured editing so far. This paper shows that the syntax analysis problem ("parsing") for meta-model-based language specifications can be transformed into a constraint satisfaction problem and solved that way. This approach, therefore, allows for easy free-hand editing and, at the same time, easy meta-model-based language specifications.