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A predicate-based approach to defining visual language syntax

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2 Author(s)
Janneck, J.W. ; Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA ; Esser, R.

This paper presents an approach to the specification of visual language syntax. Based on attributed graphs as the notion of abstract syntax, syntactical correctness is specified by a set of predicates over that structure. The proposed technique facilitates the natural embedding of other visual and textual notations, the definition of complex syntactic and static-semantic properties, as well as a precise error diagnosis and localization. An editing environment supporting this technique is briefly discussed

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Human-Centric Computing Languages and Environments, 2001. Proceedings IEEE Symposia on

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