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


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

Submitted by:  Dean Ferreyra <dferreyra>
Submitted on:  Mon 15 May 2006 07:42:57 PM UTC  
Category: NoneSeverity: 3 - Normal
Item Group: Feature RequestStatus: None
Privacy: PublicAssigned 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)

(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>


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