http://community.schemewiki.org/?syntax-case Web1 Brief introduction to syntax-case We proceed with a few brief syntax-case examples, adapted from the Chez Scheme Version 7 User’s Guide [5]. Additional examples and a …
Syntax Transformer Helpers (Guile Reference Manual)
WebOct 19, 2024 · I am trying to make my own pattern-matching system in Scheme. To begin I am making a parser for s-expressions that divides them into tokens like this: It should be noted that I have not used define-syntax before in Scheme so that may be where I am messing up. Chez Scheme throws me this error: Exception: invalid syntax classify at … Web6.8.3 Support for the syntax-case System. syntax-case macros are procedural syntax transformers, with a power worthy of Scheme.. Syntax: syntax-case syntax literals (pattern [guard] exp) … ¶ Match the syntax object syntax against the given patterns, in order. If a pattern matches, return the result of evaluating the associated exp. Compare the … habs federation
How to pack a R7RS program into a Chez program? - Google …
http://icfp06.cs.uchicago.edu/dybvig-talk.pdf WebJul 4, 2013 · The test is a "side effect" of an exercise of translating Scheme procedures into syntax-rules by the Scheme -to- syntax-rule compiler. Try loading the file below in your favorite Scheme system. The results may vary by a few orders of magnitude: from 0.9 seconds (the latest Chez Scheme) to 15 minutes, on a comparable capable hardware. Chez Schemeprovides several procedures and syntactic forms that maybe used to simplify the coding of certain syntactic abstractions. procedure: (syntax->list syntax-object) returns: a list of syntax objects libraries: (chezscheme) This procedure takes a syntax object representinga list-structured form and returns a list … See more Keyword bindings established via the Revised6 Reportdefine-syntax, let-syntax, or letrec-syntaxforms may be rebound temporarily with fluid-let-syntax. syntax: (fluid-let-syntax ((keyword expr) ...) form1 form2 ...) … See more Modules are used to help organize programs into separateparts that interact cleanly via declared interfaces.Although modular programming is typically used to facilitate the … See more Chez Scheme extends syntax-rules to permit clause to includefenders just like those allowed within syntax-caseclauses. syntax: (syntax … See more When defining sets of dependent macros, it is often convenient to attachinformation to identifiers in the same compile time environmentthat the … See more habs firefly login