Showing posts with label syntax. Show all posts
Showing posts with label syntax. Show all posts
Friday, January 21, 2011
Thursday, January 20, 2011
Some definitions about languages
A language consists of a structure definition (called abstract syntax or meta model), a definition of the notation (also called concrete syntax) and semantics. In semantics we distinguish between the static semantics (constraints, typesystem) and the operational semantics (what something means as it is executed).
Thursday, December 16, 2010
Synthax versus Semantic
The synthax defines the correctness of a sequence of characters without meaning. Semantic defines the meaning of this sequence of characters.
Example: 34 + 6 = 100 ist syntactic correct but semantic wrong.
Example: 34 + 6 = 100 ist syntactic correct but semantic wrong.
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