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Warn in debugger if on an unsupported version of elixir #221

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Apr 25, 2020
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Warn in debugger if on an unsupported version of elixir #221

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16 changes: 16 additions & 0 deletions apps/debugger/lib/debugger/cli.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,22 @@ defmodule ElixirLS.Debugger.CLI do
Application.ensure_all_started(:debugger, :permanent)
IO.puts("Started ElixirLS debugger v#{Launch.debugger_version()}")
Launch.print_versions()
warn_if_unsupported_version()
WireProtocol.stream_packets(&Server.receive_packet/1)
end

# Debugging does not work on Elixir 1.10.0-1.10.2:
# https://github.com/elixir-lsp/elixir-ls/issues/158
defp warn_if_unsupported_version do
elixir_version = System.version()

if Version.match?(elixir_version, ">= 1.10.0") && Version.match?(elixir_version, "< 1.10.3") do
message =
"WARNING: Debugging is not supported on Elixir #{elixir_version}. Please upgrade" <>
" to at least 1.10.3\n" <>
"more info: https://github.com/elixir-lsp/elixir-ls/issues/158"

Output.print_err(message)
end
end
end