Fix mechanism registration function for non POINT_PROCESSes

[iomaganaris]

• Make generated code compilable and loadable with NEURON by implementing the registration function
• Provided empty stubs for needed nrn_* functions
• Supersedes Stubs of nrn_{alloc,init,jacob,cur,state}. #1103

[1uc]

Is this enough to generate a special that compiles, links and runs, e.g. for:

NEURON {
    SUFFIX leonhard
}

STATE { x }

INITIAL {
  x = 42
}

BREAKPOINT {
    SOLVE dX METHOD cnexp
}

DERIVATIVE dX { x' = -0.1*x }

and

from neuron import h, gui
from neuron.units import ms, mV

nsec = 10
nseg = 20

sections = [h.Section() for _ in range(nsec)]
for s in sections:
    s.insert("leonhard")
    s.nseg = nseg

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6abad06) 88.18% compared to head (e93019b) 88.23%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1111      +/-   ##
==========================================
+ Coverage   88.18%   88.23%   +0.05%     
==========================================
  Files         175      175              
  Lines       12905    12949      +44     
==========================================
+ Hits        11380    11426      +46     
+ Misses       1525     1523       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[iomaganaris]

Is this enough to generate a special that compiles, links and runs, e.g. for:

NEURON {
    SUFFIX leonhard
}

STATE { x }

INITIAL {
  x = 42
}

BREAKPOINT {
    SOLVE dX METHOD cnexp
}

DERIVATIVE dX { x' = -0.1*x }

and

from neuron import h, gui
from neuron.units import ms, mV

nsec = 10
nseg = 20

sections = [h.Section() for _ in range(nsec)]
for s in sections:
    s.insert("leonhard")
    s.nseg = nseg

After a small fix yes. You can also try it yourself and let me know if there is any issue

[bbpbuildbot]

Logfiles from GitLab pipeline #177237 (:white_check_mark:) have been uploaded here!

Status and direct links:

• ✅ spack_setup
• ✅ build:intel
• ✅ build:nvhpc
• ✅ test:intel
• ✅ test:nvhpc

[1uc]

I could have, but then I'd have had to make small fixes :)