86 lines
3.4 KiB
Plaintext
86 lines
3.4 KiB
Plaintext
#!/usr/bin/env nomsu -V6.14
|
|
#
|
|
This file defines upgrades from Nomsu <2.4 to Nomsu 2.4
|
|
|
|
use "compatibility/compatibility"
|
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
upgrade $tree to "2.4" as:
|
|
unless ($tree is "Action" syntax tree): return
|
|
if $tree.stub is:
|
|
"when" "if":
|
|
if ((size of $tree) == 3): return $tree
|
|
$conditions = []
|
|
$new_lines = []
|
|
$body =
|
|
($tree.2 upgraded) if ($tree.2 is "Block" syntax tree) else [$tree.2 upgraded]
|
|
|
|
for $line in $body:
|
|
when:
|
|
(not ($line is "Action" syntax tree)):
|
|
$new_lines, add $line
|
|
|
|
($line.stub is "*"):
|
|
if ((size of $line) == 2):
|
|
$conditions, add $line.2
|
|
..else:
|
|
$new_lines, add $line
|
|
|
|
($line.stub == "* else"):
|
|
$new_lines, add (\(else $block) with vars {.block = $line.3})
|
|
|
|
else:
|
|
$conditions, add $line.2
|
|
$action = $line.3
|
|
unless ($action is "Block" syntax tree):
|
|
$action = (=lua "SyntaxTree{type='Block', source=\$action.source, \$action}")
|
|
$conditions, add $action
|
|
$new_lines, add
|
|
=lua ("
|
|
SyntaxTree{type='Action', source=\$conditions[1].source, unpack(\$conditions)}
|
|
")
|
|
$conditions = []
|
|
|
|
return
|
|
\(when $body) with vars {
|
|
.body =
|
|
=lua "SyntaxTree{type='Block', source=\$tree[2].source, unpack(\$new_lines)}"
|
|
}
|
|
|
|
"if 1 is ?" "if 1 = ?":
|
|
$values = []
|
|
$new_lines = []
|
|
$body =
|
|
($tree.5 upgraded) if ($tree.5 is "Block" syntax tree) else [$tree.5 upgraded]
|
|
|
|
for $line in $body:
|
|
when:
|
|
(not ($line is "Action" syntax tree)):
|
|
$new_lines, add $line
|
|
|
|
($line.stub is "*"):
|
|
if ((size of $line) == 2):
|
|
$values, add $line.2
|
|
..else:
|
|
$new_lines, add $line
|
|
|
|
($line.stub == "* else"):
|
|
$new_lines, add (\(else $block) with vars {.block = $line.3})
|
|
|
|
else:
|
|
$values, add $line.2
|
|
$action = $line.3
|
|
unless ($action is "Block" syntax tree): $action = \(: $action)
|
|
$values, add $action
|
|
$new_lines, add
|
|
=lua "SyntaxTree{type='Action', source=\$values[1].source, unpack(\$values)}"
|
|
$values = []
|
|
|
|
return
|
|
\(if $var is $body) with vars {
|
|
.var = ($tree.2 upgraded)
|
|
.body =
|
|
=lua "SyntaxTree{type='Block', source=\$tree[5].source, unpack(\$new_lines)}"
|
|
}
|