blob: ae0cfbaecda2d20a0a7f7d2a8569dc9be9e80273 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#!/usr/bin/env nomsu -V2.4
use "core"
use "compatibility/compatibility.nom"
upgrade %tree to "2.4" as:
unless (%tree is "Action" syntax tree): return
if %tree.stub is:
"when %":
%conditions = []
%new_lines = []
%body = ((%tree.2 upgraded) if (%tree.2 is "Block" syntax tree) else [%tree.2 upgraded])
for %line in %body:
if:
(not (%line is syntax tree)):
compile error at %tree.source "WUT: %s"
(not (%line is "Action" syntax tree)):
add %line to %new_lines
(%line.stub is "* %"):
add %line.2 to %conditions
(%line.stub == "* else %"):
add (\(else %block) with vars {block:%line.3}) to %new_lines
(%line.stub != "* % %"):
add %line to %new_lines
else:
add %line.2 to %conditions
%action = %line.3
unless (%action is "Block" syntax tree):
%action = (=lua "Block(\%action.source, \%action)")
add %action to %conditions
add (=lua "Action(\%conditions[1].source, unpack(\%conditions))") to %new_lines
%conditions = []
return (\(if %body) with vars {body:=lua "Block(\%tree[2].source, unpack(\%new_lines))"})
"when % is ? %" "when % = ? %":
%values = []
%new_lines = []
%body = ((%tree.5 upgraded) if (%tree.5 is "Block" syntax tree) else [%tree.5 upgraded])
for %line in %body:
if:
(not (%line is "Action" syntax tree)):
add %line to %new_lines
(%line.stub is "* %"):
add %line.2 to %values
(%line.stub == "* else %"):
add (\(else %block) with vars {block:%line.3}) to %new_lines
(%line.stub != "* % %"):
add %line to %new_lines
else:
add %line.2 to %values
%action = %line.3
unless (%action is "Block" syntax tree):
%action = (=lua "Block(\%action.source, \%action)")
add %action to %values
add (=lua "Action(\%values[1].source, unpack(\%values))") to %new_lines
%values = []
return (\(if %var is %body) with vars {var: %tree.2 upgraded, body:=lua "Block(\%tree[5].source, unpack(\%new_lines))"})
|
