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add do in front-end deparser. fixes #17781 #26840

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merged 1 commit into from
Apr 18, 2018
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add do in front-end deparser. fixes #17781 #26840

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7 changes: 7 additions & 0 deletions src/ast.scm
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,13 @@
""))
"")
(string.rep " " ilvl) "end"))
((do)
(let ((call (cadr e))
(args (cdr (cadr (caddr e))))
(body (caddr (caddr e))))
(deparse-block (string (deparse call) " do" (if (null? args) "" " ")
(deparse-arglist args))
(cdr body) ilvl)))
((struct)
(string (if (eq? (cadr e) 'true) "mutable " "")
"struct "
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20 changes: 20 additions & 0 deletions test/syntax.jl
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Expand Up @@ -1386,3 +1386,23 @@ end

# issue #26717
@test Meta.lower(@__MODULE__, :( :(:) = 2 )) == Expr(:error, "invalid assignment location \":(:)\"")

# issue #17781
let ex = Meta.lower(@__MODULE__, Meta.parse("
A = function (s, o...)
f(a, b) do
end
end,
B = function (s, o...)
f(a, b) do
end
end"))
@test isa(ex, Expr) && ex.head === :error
@test ex.args[1] == """
invalid assignment location "function (s, o...)
# none, line 3
f(a, b) do
# none, line 4
end
end\""""
end