Packages
credo
0.3.0-dev
1.7.19
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1.7.17
1.7.16
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1.7.4
1.7.3
1.7.2
1.7.2-rc.4
1.7.2-rc.3
1.7.2-rc.2
1.7.2-rc.1
1.7.2-rc.0
1.7.1
1.7.0
1.7.0-rc.2
1.7.0-rc.1
1.6.7
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.6.0-rc.1
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1.5.6
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1.5.0-rc.1
1.4.1
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1.4.0-rc.1
1.3.2
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1.3.0
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1.3.0-rc1
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1.2.0
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1.1.5
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1.1.1
1.1.0
1.1.0-rc3
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1.1.0-rc1
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
1.0.1-rc1
1.0.0
1.0.0-rc1
0.10.2
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0.9.0
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0.8.10
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0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.1
0.6.0
0.6.0-rc2
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0.5.3
0.5.2
0.5.1
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0.4.14
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0.4.11
0.4.10
0.4.10-dev
0.4.9
0.4.8
0.4.7
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.4.0-beta5
0.4.0-beta4
0.4.0-beta3
0.4.0-beta2
0.4.0-beta1
0.3.13
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0.3.11
0.3.10
0.3.9
0.3.8
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0.3.5
0.3.4
0.3.3
0.3.2
0.3.1
0.3.0
0.3.0-dev2
0.3.0-dev
0.2.6
0.2.5
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0.2.3
0.2.2
0.2.1
0.2.0
0.1.10
0.1.9
0.1.8
0.1.7
0.1.6
0.1.5
0.1.4
0.1.3
0.1.2
0.1.1
0.1.0
0.0.1-dev
A static code analysis tool with a focus on code consistency and teaching.
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Files
lib/credo/cli/command/explain.ex
defmodule Credo.CLI.Command.Explain do
use Credo.CLI.Command
@shortdoc "Show code object and explain why it is/might be an issue"
alias Credo.Check.Runner
alias Credo.Config
alias Credo.CLI.Output.Explain
alias Credo.CLI.Output.UI
alias Credo.CLI.Output
alias Credo.Sources
# TODO: explain used config options
def run(_dir, %Config{help: true}), do: print_help
def run(file, config) do
{_, source_files} = load_and_validate_source_files(config)
{_, source_files} = run_checks(source_files, config)
file
|> String.split(":")
|> print_result(source_files, config)
# TODO: return :error if there are issues so the CLI can exit with a status
# code other than zero
:ok
end
defp load_and_validate_source_files(config) do
{time_load, {valid_source_files, invalid_source_files}} =
:timer.tc fn ->
source_files = config |> Sources.find
valid_source_files = Enum.filter(source_files, &(&1.valid?))
invalid_source_files = Enum.filter(source_files, &(!&1.valid?))
{valid_source_files, invalid_source_files}
end
invalid_source_files
|> Output.complain_about_invalid_source_files
{time_load, valid_source_files}
end
defp run_checks(source_files, config) do
:timer.tc fn ->
Runner.run(source_files, config)
end
end
defp output_mod(_) do
Explain
end
defp print_result([filename], source_files, config) do
print_result([filename, nil, nil], source_files, config)
end
defp print_result([filename, line_no], source_files, config) do
print_result([filename, line_no, nil], source_files, config)
end
defp print_result([filename, line_no, column], source_files, config) do
source_files
|> Enum.find(&(&1.filename == filename))
|> print_result(config, line_no, column)
end
def print_result(source_file, config, line_no, column) do
output_mod = output_mod(config)
output_mod.print_before_info([source_file], config)
source_file
|> output_mod.print_after_info(config, line_no, column)
end
defp print_help do
["Usage: ", :olive, "mix credo explain [path_line_no_column] [options]"]
|> UI.puts
"""
Explain the given issue.
"""
|> UI.puts
["Example: ", :olive, :faint, "$ mix credo explain lib/foo/bar.ex:13:6"]
|> UI.puts
"""
General options:
-v, --version Show version
-h, --help Show this help
"""
|> UI.puts
end
end