70 lines
3.1 KiB
Plaintext
70 lines
3.1 KiB
Plaintext
#!/usr/bin/env nomsu -V4.8.10
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#
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This file defines upgrades from Nomsu <2.4 to Nomsu 2.4
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use "compatibility/compatibility.nom"
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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upgrade %tree to "2.4" as:
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unless (%tree is "Action" syntax tree): return
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if %tree.stub is:
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"when" "if":
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if ((size of %tree) == 3):
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return %tree
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%conditions = []
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%new_lines = []
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%body = (..)
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(%tree.2 upgraded) if (%tree.2 is "Block" syntax tree) else [%tree.2 upgraded]
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for %line in %body:
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when:
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(not (%line is "Action" syntax tree)):
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%new_lines::add %line
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(%line.stub is "*"):
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if ((size of %line) == 2):
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%conditions::add %line.2
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..else:
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%new_lines::add %line
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(%line.stub == "* else"):
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%new_lines::add (\(else %block) with vars {block:%line.3})
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else:
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%conditions::add %line.2
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%action = %line.3
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unless (%action is "Block" syntax tree):
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%action = (=lua "SyntaxTree{type='Block', source=\%action.source, \%action}")
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%conditions::add %action
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%new_lines::add (=lua "SyntaxTree{type='Action', source=\%conditions[1].source, unpack(\%conditions)}")
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%conditions = []
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return (..)
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\(when %body) with vars {body:=lua "SyntaxTree{type='Block', source=\%tree[2].source, unpack(\%new_lines)}"}
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"if 1 is ?" "if 1 = ?":
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%values = []
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%new_lines = []
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%body = (..)
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(%tree.5 upgraded) if (%tree.5 is "Block" syntax tree) else [%tree.5 upgraded]
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for %line in %body:
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when:
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(not (%line is "Action" syntax tree)):
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%new_lines::add %line
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(%line.stub is "*"):
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if ((size of %line) == 2):
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%values::add %line.2
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..else:
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%new_lines::add %line
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(%line.stub == "* else"):
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%new_lines::add (\(else %block) with vars {block:%line.3})
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else:
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%values::add %line.2
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%action = %line.3
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unless (%action is "Block" syntax tree):
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%action = \(: %action)
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%values::add %action
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%new_lines::add (=lua "SyntaxTree{type='Action', source=\%values[1].source, unpack(\%values)}")
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%values = []
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return (..)
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\(if %var is %body) with vars {..}
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var:%tree.2 upgraded, body:=lua "SyntaxTree{type='Block', source=\%tree[5].source, unpack(\%new_lines)}"
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