34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
#!/usr/bin/env nomsu -V2.5.5.5
|
|
#
|
|
This file defines upgrades from Nomsu 1 to Nomsu 2
|
|
|
|
use "compatibility/compatibility.nom"
|
|
|
|
upgrade %tree to "2" as:
|
|
unless (%tree is "Action" syntax tree): return
|
|
if (%tree.stub is "if % % else %"):
|
|
%true_body = (%tree.3 upgraded)
|
|
unless (%true_body is "Block" syntax tree):
|
|
%true_body = \(: %true_body)
|
|
%false_body = (%tree.5 upgraded)
|
|
unless (%false_body is "Block" syntax tree):
|
|
%false_body = (=lua "Block(\%false_body.source, \%false_body)")
|
|
return (..)
|
|
\(if %cond %true_body else %false_body) with vars {..}
|
|
cond:%tree.2 upgraded, true_body:%true_body, false_body:%false_body
|
|
|
|
%need_blocks = [..]
|
|
"if % %", "unless % %", "for % in % %", "for % = % in % %", "repeat while % %"
|
|
"repeat % times %", "repeat %", "repeat until % %", "for % in % to % by % %"
|
|
"for % in % to % via % %", "for % in % to % %", "for % % in % %"
|
|
"do %", "for % in recursive % %", "test %", "with % %", "result of %"
|
|
|
|
for %n in %need_blocks:
|
|
if (%tree.stub is %n):
|
|
%bits = (((% upgraded) if (% is syntax tree) else %) for % in %tree)
|
|
unless ((last in %bits) is "Block" syntax tree):
|
|
%body = (last in %bits)
|
|
%bits.(length of %bits) = (=lua "Block(\%body.source, \%body)")
|
|
|
|
return (=lua "Action(\%tree.source, unpack(\%bits))")
|