Context term calculus for rewriting systems

R.S. Shevchenko


In this paper, a calculus of context-full terms is proposed. Calculus extends the traditional algebraic signatures, used in term rewriting systems, by so-called constructions, that works with context: context constructor, resolving a context value and binding term to context with compatibility checking. Such extension allows to refining algorithms connected with analysis and transformations of source code in the more natural form, because f the structure of the sense in the modern programming language defined in hierarchical contexts, which can be directly mapped to context-full term in rewriting rule. Type analysis for a programming language can be implemented as checking for context compatibility. In such way, relative simple mechanism, which unites term rewriting and context analysis can be received. The approach is illustrated by defining rules for typing in context-full term formalism.

Problems in programming 2018; 2-3: 021-030



software development automation; term rewriting; type systems; programming languages; code analysis; termware

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