Not Quite Perl is a lightweight Perl 6-like environment for virtual machines.
Not Quite Perl is a lightweight Perl 6-like environment for virtual machines.
Questions tagged [nqp]
22 questions
5
votes
2 answers
Strings and Strands in MoarVM
When running Raku code on Rakudo with the MoarVM backend, is there any way to print information about how a given Str is stored in memory from inside the running program? In particular, I am curious whether there's a way to see how many Strands…
codesections
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5
votes
1 answer
It is possible to write NQP's precedence parser in Raku
I'm trying to figure out how I can rewrite NQP's Precedence Parser in Raku :
The Precedence Parser is implemented here: https://github.com/Raku/nqp/blob/master/src/HLL/Grammar.nqp#L384
NQP should be a subset of Raku but the Grammar part seems to be…
Konrad Eisele
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5
votes
0 answers
Errors using Metamodel::ConcreteRoleHOW.new_type
There does not seem to be a way to use new_type in MetamodelConcreteRoleHOW, which as its name implies should be used to create new instances of a Role. The main problem is when you try to mix-in new roles, as implied by the signature ( method…
jjmerelo
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5
votes
1 answer
Obtaining the QAST of a Perl 6 file from another program
This is related to this question on accesing the POD, but it goes further than that. You can easily access the Abstract Syntax Tree of a Perl 6 program using:
perl6 --target=ast -e '"Þor is mighty!".say'
This will print the whole Q abstract syntax…
jjmerelo
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4
votes
1 answer
What are nqp, nqp-m, rakudo-debug, rakudo-debug-m, rakudo-gdb-m, rakudo-m, rakudo-valgrind-m?
When I install rakudo from source:
$ git clone git@github.com:rakudo/rakudo.git
$ cd rakudo
$ perl Configure.pl --gen-moar --gen-nqp --backends=moar
$ make
$ make install
it generates the following files in ./install/bin:
$ ls -1…
Håkon Hægland
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4
votes
1 answer
How to tell the difference between types of nqp iterators
In nqp, you can create an iterator on an nqp hash, or on an nqp list. I would like to be able to find out if a given nqp iterator is iterating over a hash or a list. Alas, I have not find a way to do that. They even seem to share the same…
Elizabeth Mattijsen
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3
votes
0 answers
Introspecting NQP roles
From this question in StackOverflow, I discovered Type.^roles, which includes all roles that are composed into a type. It works all over the place, but it fails to print if there are NQP roles somewhere:
say Cursor.^roles# OUTPUT: «No such method…
jjmerelo
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- 86