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(lua) Add support for returns in local_functions

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The extractor function being the same, I refactored the lua config file
a little bit
This commit is contained in:
Daniel Mathiot
2021-08-25 12:22:36 +02:00
parent 85cd80f8e6
commit ce765cc43c
1 changed files with 31 additions and 43 deletions
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74
lua/neogen/configurations/lua.lua
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@@ -1,56 +1,44 @@
local common_function_extractor = function(node)
local tree = {
{
retrieve = "first",
node_type = "parameters",
subtree = {
{ retrieve = "all", node_type = "identifier", extract = true },
{ retrieve = "all", node_type = "spread", extract = true },
},
},
{ retrieve = "first", node_type = "return_statement", extract = true },
}
local nodes = neogen.utilities.nodes:matching_nodes_from(node, tree)
local res = neogen.utilities.extractors:extract_from_matched(nodes)
return {
parameters = res.identifier,
vararg = res.spread,
return_statement = res.return_statement,
}
end
return { return {
-- Search for these nodes -- Search for these nodes
parent = { "function", "local_function", "local_variable_declaration", "field", "variable_declaration" }, parent = { "function", "local_function", "local_variable_declaration", "field", "variable_declaration" },
-- Traverse down these nodes and extract the information as necessary
data = { data = {
["function|local_function"] = { -- When the function is inside one of those
-- Get second child from the parent node
["2"] = {
-- It has to be of type "parameters"
match = "parameters",
extract = function(node)
local tree = {
{ retrieve = "all", node_type = "identifier", extract = true },
{ retrieve = "all", node_type = "spread", extract = true },
}
local nodes = neogen.utilities.nodes:matching_nodes_from(node, tree)
local res = neogen.utilities.extractors:extract_from_matched(nodes)
return {
parameters = res.identifier,
vararg = res.spread,
}
end,
},
},
["local_variable_declaration|field|variable_declaration"] = { ["local_variable_declaration|field|variable_declaration"] = {
["2"] = { ["2"] = {
match = "function_definition", match = "function_definition",
extract = function(node) extract = common_function_extractor,
local tree = { },
{ },
retrieve = "first", -- When the function is in the root tree
node_type = "parameters", ["function_definition|function|local_function"] = {
subtree = { ["0"] = {
{ retrieve = "all", node_type = "identifier", extract = true },
{ retrieve = "all", node_type = "spread", extract = true },
},
},
{ retrieve = "first", node_type = "return_statement", extract = true },
}
local nodes = neogen.utilities.nodes:matching_nodes_from(node, tree) extract = common_function_extractor,
local res = neogen.utilities.extractors:extract_from_matched(nodes)
return {
parameters = res.identifier,
vararg = res.spread,
return_statement = res.return_statement,
}
end,
}, },
}, },
}, },