Re: Wondering about errors…

[Timothee Cour]

I posted bugzilla entry:
http://d.puremagic.com/issues/show_bug.cgi?id=10177a few days ago. In
short, it says: 'why not just stop semantic3 passes at
1st error occurence' ?

Other entries related to irrelevant error messages that I've recently
reported:10169 , 10141, 10177.


On Mon, May 27, 2013 at 11:43 PM, Rainer Schuetze <r.sagitario at gmx.de>wrote:

>
>
> On 27.05.2013 13:51, Adam D. Ruppe wrote:
>
>> Yeah, me too.
>>
>> I take a working program and add "gf" to the middle of it. Here's the
>> errors:
>>
>> base.d(2143): Error: found '{' when expecting ';' following statement
>> base.d(2168): Error: unexpected ( in declarator
>> base.d(2168): Error: basic type expected, not "div"
>> base.d(2168): Error: found '"div"' when expecting ')'
>> base.d(2168): Error: no identifier for declarator div.addChild(int)
>> base.d(2168): Error: semicolon expected following function declaration
>> base.d(2168): Error: Declaration expected, not ','
>> base.d(2177): Error: Declaration expected, not 'if'
>> base.d(2179): Error: no identifier for declarator qrUrl
>> base.d(2180): Error: unrecognized declaration
>>
>>
>> OK.... now let's add a semicolon to it. Prepare yourself, here's what
>> dmd gives me now:
>>
>> base.d(2141): Error: undefined identifier gf, did you mean template to(T)?
>> /home/me/d/dmd2/linux/bin32/..**/../src/phobos/std/format.d(**1723):
>> Error:
>> template std.format.formatRange does not match any function template
>>
> [...]
>
>  formattedWrite!(Appender!(**immutable(dchar)[]), dchar,
>> immutable(dchar)[],immutable(**dchar)[],immutable(dchar)[],**
>> immutable(dchar)[],immutable(**dchar)[])
>>
>> make: *** [all] Error 1
>>
>>
> I think most of these floods of errors come from not wanting to
> instantiate templates once any (completely unrelated) error has been shown.
> This has improved, but I just found two instances of that in mtype.c:
>
>     if (global.errors)
>         return new ErrorExp();  // TemplateInstance::semantic() will fail
> anyway
>
> The mechanism of not showing errors if they contain ErrorExp seems to not
> work in that case, but I think not even trying to do the instantiation is
> unreasonable (just stopping compilation would be better).
>
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