bugKawa - Bugs: bug #16594, Prefix-colon syntax: Warn when...

 
 

bug #16594: Prefix-colon syntax: Warn when generating expensive runtime lookups

Submitter:  Dean Ferreyra <dferreyra>
Submitted:  Mon 15 May 2006 07:42:57 PM UTC
   
 
Category:  None Severity:  3 - Normal
Item Group:  Feature Request Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open
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Mon 15 May 2006 07:42:57 PM UTC, original submission:  

In this example:

  (module-static #t)
 
  (define-simple-class <A> ()
    ((an-identity-meth name)
     name)
    )
 
  (define a (<A>))
 
  ;; Inexpensive:
  ((as <A> a):anIdentityMeth 'foo)
  ;; Expensive:
  (a:anIdentityMeth 'foo)
  ;; Expensive:
  (*:anIdentityMeth a 'foo)

the last call gives the following warning, letting us know that an expensive runtime lookup will be performed for each invocation:

  types.scm:15:1: warning - no accessible method 'anIdentityMeth' in java.lang.Object

The feature request is that the second-to-the-last call also give us a warning.

Dean Ferreyra <dferreyra>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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