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Add support for hover and clipboard eval in debugger #680

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merged 2 commits into from
Feb 21, 2022
Merged

Add support for hover and clipboard eval in debugger #680

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d36e915
add support for hover and clipboard eval in debugger
lukaszsamson Feb 19, 2022
dddd1af
use empty string
lukaszsamson Feb 21, 2022
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45 changes: 33 additions & 12 deletions apps/elixir_ls_debugger/lib/debugger/server.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -550,20 +550,39 @@ defmodule ElixirLS.Debugger.Server do
timeout = Map.get(state.config, "debugExpressionTimeoutMs", 10_000)
bindings = all_variables(state.paused_processes, args["frameId"])

value = evaluate_code_expression(expr, bindings, timeout)
result = evaluate_code_expression(expr, bindings, timeout)

child_type = Variables.child_type(value)
{state, var_id} = get_variable_reference(child_type, state, :evaluator, value)
case result do
{:ok, value} ->
child_type = Variables.child_type(value)
{state, var_id} = get_variable_reference(child_type, state, :evaluator, value)

json =
%{
"result" => inspect(value),
"variablesReference" => var_id
}
|> maybe_append_children_number(state.client_info, child_type, value)
|> maybe_append_variable_type(state.client_info, value)

json =
%{
"result" => inspect(value),
"variablesReference" => var_id
}
|> maybe_append_children_number(state.client_info, child_type, value)
|> maybe_append_variable_type(state.client_info, value)
{json, state}

{json, state}
other ->
result_string =
if args["context"] == "hover" do
# avoid displaying hover info when evaluation crashed
nil
else
inspect(other)
end

json = %{
"result" => result_string,
"variablesReference" => 0
}

{json, state}
end
end

defp handle_request(continue_req(_, thread_id) = args, state = %__MODULE__{}) do
Expand Down Expand Up @@ -739,7 +758,7 @@ defmodule ElixirLS.Debugger.Server do
result = Task.yield(task, timeout) || Task.shutdown(task)

case result do
{:ok, data} -> data
{:ok, data} -> {:ok, data}
nil -> :elixir_ls_expression_timeout
_otherwise -> result
end
Expand Down Expand Up @@ -952,6 +971,8 @@ defmodule ElixirLS.Debugger.Server do
"supportsExceptionInfoRequest" => false,
"supportsTerminateThreadsRequest" => true,
"supportsSingleThreadExecutionRequests" => true,
"supportsEvaluateForHovers" => true,
"supportsClipboardContext" => true,
"supportTerminateDebuggee" => false
}
end
Expand Down