Considering following grammar in EBNF: h开发者_StackOverflowttp://pauillac.inria.fr/cdrom_a_graver/www/bigloo/manual/r5rs-8.html
i\'m implementing an IDE for scheme in eclipse using DLTK. So far, i am programming the grammar to recognize the lexical structure.
Is there a way in Scheme Revision 5 to call out to an external program? For example: (system \"ls\") 开发者_如何学运维
While thinking about the way to implement Scheme R5RS, I have become puzzled about the following extract of R5RS (pages 22-23):
I want a macro that create a new identifier like (new-name first second) => first-second that could be used to define new toplevel bindings
In DrRacket IDE开发者_如何学Python, I was able to get the system date in the following manner when the language setting was \'Swindle\':
I created this solution: ; use like开发者_开发问答 this: ; (/* content ... */ <default-return>)
I love DrRacket IDE, but currently I\'m building a pet project whe开发者_StackOverflowre I would like to be independent from it, meaning i\'m commited to use only R5RS standard procedures.
Background: I am new to scheme, and am using DrScheme to write my programs. The following program outputs 12345 when I run the program as r5rs:
I\'m building a mash-up to store meta-data on items from multiple REST API datasources. I\'d like to be able to generate typical feeds (most recent, top rated, most viewed, etc) based on data summariz