[Oberon] Re (2): Detecting whether a Text is a module source.

[Bob Walkden]

OK, I believe the Boyer-Moore algorithm is the most efficient. There is an
implementation in Wirth's Algorithm's and Data Structures, section 1.9.6.

http://www.ethoberon.ethz.ch/WirthPubl/AD.pdf

https://en.wikipedia.org/wiki/Boyer%E2%80%93Moore_string_search_algorithm

B

> -----Original Message-----
> From: Oberon [mailto:oberon-bounces at lists.inf.ethz.ch] On Behalf Of
> peter at easthope.ca
> Sent: Sunday, 29 January, 2017 4:11 PM
> To: oberon at lists.inf.ethz.ch
> Subject: [Oberon] Re (2): Detecting whether a Text is a module source.
> 
> > According to the EBNF for O7, the smallest legal module ...
> 
> OK, thanks.  Will keep in mind for later. For now I'm concerned only with
> detecting the presence of a word in a text; not with conformity to a
syntax.
> 
> What is efficient code to find whether the word "Jaguar" is present in a
text
> for example?  There are many ways of varying efficiency.  A compiler must
> have a solution but I'm unlikely to recognize it.  Can anyone give a code
> example or direct me to one?
> 
> Thanks,                                 ... Lyall E.
> 
> 
> 
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