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RFC: Improved tab completion for symbols #634

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RFC: Improved tab completion for symbols #634

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22 changes: 22 additions & 0 deletions src/handlers.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@ end
complete_type(::Type{<:Function}) = "function"
complete_type(::Type{<:Type}) = "type"
complete_type(::Type{<:Tuple}) = "tuple"
complete_type(::Void) = "void"

function complete_type(T::DataType)
s = string(T)
Expand Down Expand Up @@ -119,6 +120,21 @@ function complete_types(comps)
return typeMap
end

function complete_symbols(comps, symbol_dict)
newcomps = []
for c in comps
smb = get(symbol_dict, c, c)
scomps, positions = Base.REPLCompletions.completions(smb, 1)
(smb in scomps) || push!(newcomps, smb)
if !isempty(scomps)
for s in scomps
push!(newcomps, s)
end
end
end
return newcomps
end

function complete_request(socket, msg)
code = msg.content["code"]
cursor_chr = msg.content["cursor_pos"]
Expand Down Expand Up @@ -146,6 +162,12 @@ function complete_request(socket, msg)
else
cursor_start = ind2chr(msg, code, prevind(code, first(positions)))
cursor_end = ind2chr(msg, code, last(positions))
#Get completions for symbols
if startswith(comps[1], "\\:")
comps = complete_symbols(comps, emoji_symbols)
elseif startswith(comps[1], "\\")
comps = complete_symbols(comps, latex_symbols)
end
metadata["_jupyter_types_experimental"] = complete_types(comps)
end
send_ipython(requests[], msg_reply(msg, "complete_reply",
Expand Down