[antlr-interest] Standard library functions: how to??

[Bharath S]

Hi Mark,
>> Standard library functions should be added to your symbol 
tables before you begin the interpretation or compilation step

By adding, Should I write code for each of the standard library function I
am planning to provide? There should be a whole load of library functions
for any language and there should be an easier way of getting this done,
right?

Thanks for your comments!

Bharath
 

-----Original Message-----
From: Mark Lentczner [mailto:markl at glyphic.com] 
Sent: Wednesday, April 21, 2004 5:15 PM
To: antlr-interest at yahoogroups.com
Subject: Re: [antlr-interest] Standard library functions: how to??


On Apr 21, 2004, at 2:39 PM, Bharath S wrote:

> For example, if the user inputs a
> statement "x := abs(y);", should I write the abs() function as an 
> action in
> the grammar, when the "abs" keyword is encountered?

Unless abs(y) needs to be handled very differently than a call to a 
user function, foo(y), then no, the parser should know nothing about 
it.  .

	- Mark

Mark Lentczner
markl at wheatfarm.org
http://www.wheatfarm.org/



 
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