[cfe-dev] clang errors vs clang_getDiagnostics

[Anders Bakken]

Cool. Thanks.

On Jan 22, 2013, at 11:52 AM, Douglas Gregor <dgregor at apple.com> wrote:

> 
> On Jan 21, 2013, at 11:32 PM, Anders Bakken <agbakken at gmail.com> wrote:
> 
>> Oops. I found it. -fspell-checking. Sorry for the spam.
> 
> Right. We did this because spell-checking/typo correction can have a significant impact on performance, so we turned it off by default for libclang clients, which are likely to care more about performance.
> 
>    - Doug
> 
>> Anders
>> 
>> On Mon, Jan 21, 2013 at 11:25 PM, Anders Bakken <agbakken at gmail.com> wrote:
>>> Hi
>>> 
>>> I have a problem with using diagnostics with the C API.
>>> 
>>> I do this on the command line:
>>> 
>>> main.cpp:
>>> 
>>> void foobar();
>>> 
>>> int main() {
>>> foobaz();
>>> }
>>> 
>>> clang main.cpp
>>> 
>>> I get this:
>>> 
>>> main.cpp:4:3: error: use of undeclared identifier 'foobaz'; did you
>>> mean 'foobar'?
>>> foobaz();
>>> ^~~~~~
>>> foobar
>>> main.cpp:1:6: note: 'foobar' declared here
>>> void foobar();
>>>    ^
>>> 1 error generated.
>>> 
>>> If I do the same thing with clang_parseTranslationUnit and then
>>> clang_getDiagnostic I don't seem to get this suggestion. I just get:
>>> 
>>> error: use of undeclared identifier 'foobaz' [2, Semantic Issue]
>>> 
>>> Do I need to pass a switch that is on by default for clang itself?
>>> 
>>> regards
>>> 
>>> Anders
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>