Category Archives: Langscape

The state of the Trail parser generator

White Easter Snow came back, if only for a brief moment, to remind me laying Trail to rest until next winter… x + + + + + + + + + – – – – – – – – – … Continue reading

Posted in Algorithms, Grammars, Langscape, Parsing, TBP, Trail | Leave a comment

Patching tracebacks

One of the problems I early ran into¬† when working on EasyExtend ( and later on Langscape ) was to get error messages from code execution which were not corrupt. The situation is easily explained: you have a program `P` … Continue reading

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Python26 expressions

When you look at the following listing you might think it’s just a sequence of nonsense statements in Python 26,maybe created for testing purposes: raise a, b, c import d from e import* import f from .g import(a) from b … Continue reading

Posted in Grammars, Langscape, Python | Leave a comment