Hans-Peter Diettrich wrote:
Mark Morgan Lloyd schrieb:
Apropos Paul's comments of doing a good cross-reference and handling
compiler directives, I think the thing that is likely to give real
problems is the {$if defined() } form...
I'm not sure whether $if defined() works with ordinary constants. The
$DEFINE and CONST identifiers most probably reside in different lists.
const a= 1;
var b: integer;
begin
{$if defined(a) }
This should work better:
{$if a=1 }
I think you're right, but your correction doesn't detract from the point
that it is a slightly awkward "crossover case" where it is necessary to
do more than simply parse {$ (and, for most cases, (*$ ) lines. I can
only think of one other compiler implementation which did this sort of
thing, and that was TopSpeed/JPI.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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