Am 13.05.2014 21:53, schrieb Tim Holzschuh via Digitalmars-d-learn:
[...]
Thank you for all your interesing links and tips, I'll check these out!
Tim
Am 13.05.2014 21:53, schrieb Tim Holzschuh via Digitalmars-d-learn:
In the book a parser generator like Yacc is used to create a suitable
parser.
Is there an equivalent for D?
Or if not: is it really that hard to create a parser that is able to
parse sth. like this:
Ah, found pegged [1
Hi there,
I read a book about an introduction to creating programming languages
(really basic).
The sample code is written in Ruby, but I want to rewrite the examples in D.
However, the Lexer uses Ruby's regex features to scan the code.
I'm not very familiar with D's RegEx system (nor with an
Am 03.05.2014 21:47, schrieb Timon Gehr via Digitalmars-d-learn:
On 05/03/2014 08:20 PM, Tim Holzschuh via Digitalmars-d-learn wrote:
Let me know if you also want hints on how to get the logic right.
Would be very nice!
While 2*2 works, 2+2 throws an Error because the number-method gets an
Am 03.05.2014 13:29, schrieb Timon Gehr via Digitalmars-d-learn:
@property Lexer lexer() pure { return _lexer; }
If you change the result of a call to 'lexer' this will not change
'_lexer'. Mark the property 'ref' or get rid of it
How did I forget about Lexer being a struct is a value type...
Am 03.05.2014 11:17, schrieb Rikki Cattermole via Digitalmars-d-learn:
General suggestions:
Don't commit the build ext. files along with source code and in this
case they aren't needed. Mono-D can load dub.json straight. As well as
the obj/bin directories.
Yeah you're right, thank you.
(And
Hi there,
I currently try to write a simple math-parser in D.
However.. something isn't working and I just can't figure out what's the
problem.
(I'm relative new to D, and this is my first test to write a parser/lexer)
I'm pretty sure it's a simple layer-8-problem, but I always overlook it.
Am 22.04.2014 16:58, schrieb Andrej Mitrovic via Digitalmars-d-learn:
On 4/22/14, Tim Holzschuh via Digitalmars-d-learn
wrote:
What does (inout int = 0) mean/affect here?
This was asked recently, see my reponse here:
http://forum.dlang.org/post/mailman.102.1396007039.25518.digitalmars-d-le
Hi there,
I recently read the 'More Templates' chapter of Ali's book (<-- thanks
for that ;) ).
At the section 'Named constraints', there were a definition like this:
template isUsable(T)
{
enum isUsable = is ( typeof(
{
T obj;
obj.call();
obj.otherCall(1);
Am 18.04.2014 22:27, schrieb Steven Schveighoffer via Digitalmars-d-learn:
arr.sort();
arr = arr.uniq.array();
-Steve
Thanks, also for the explanation!
- Tim
Hi there,
I try to remove all equal elements of an array, thus [2,2] --> [2].
I thought this maybe would be possible with std.algorithm.reduce, but at
least the way I tried it doesn't work:
arr.reduce( (a,b) => a != b );
Is there a simple solution using Phobos-functions?
Thank you,
Tim
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