Packages
credo
1.7.13
1.7.19
1.7.18
1.7.17
1.7.16
1.7.15
1.7.14
1.7.13
1.7.12
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.7-rc.0
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1.7.5
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
1.6.0-rc.0
1.5.6
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.5.0-rc.5
1.5.0-rc.4
1.5.0-rc.3
1.5.0-rc.2
1.5.0-rc.1
1.4.1
1.4.0
1.4.0-rc.2
1.4.0-rc.1
1.3.2
1.3.1
1.3.0
1.3.0-rc3
1.3.0-rc2
1.3.0-rc1
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc4
1.2.0-rc3
1.2.0-rc2
1.2.0-rc1
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.1.0-rc3
1.1.0-rc2
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
0.10.1
0.10.0
0.9.3
0.9.2
0.9.1
0.9.0
0.9.0-rc8
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0.9.0-rc6
0.9.0-rc5
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0.9.0-rc3
0.9.0-rc2
0.9.0-rc1
0.8.10
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0.8.7
0.8.6
0.8.5
0.8.4
0.8.3
0.8.2
0.8.1
0.8.0
0.8.0-rc7
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0.8.0-rc4
0.8.0-rc3
0.8.0-rc2
0.8.0-rc1
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
0.6.0-rc1
0.5.3
0.5.2
0.5.1
0.5.0
0.4.14
0.4.13
0.4.12
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
0.3.12
0.3.11
0.3.10
0.3.9
0.3.8
0.3.7
0.3.6
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
0.2.4
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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.template.check.ex
defmodule <%= @check_name %> do
@moduledoc """
Checks all lines for a given Regex.
This is fun!
"""
@explanation [
check: @moduledoc,
params: [
regex: "All lines matching this Regex will yield an issue.",
]
]
@default_params [
regex: ~r/Creeeedo/, # our check will find this line.
]
# you can configure the basics of your check via the `use Credo.Check` call
use Credo.Check, base_priority: :high, category: :custom, exit_status: 0
@doc false
@impl true
def run(%SourceFile{} = source_file, params) do
lines = SourceFile.lines(source_file)
# IssueMeta helps us pass down both the source_file and params of a check
# run to the lower levels where issues are created, formatted and returned
issue_meta = IssueMeta.for(source_file, params)
# we use the `params` parameter and the `Params` module to extract a
# configuration parameter from `.credo.exs` while also providing a
# default value
line_regex = params |> Params.get(:regex, __MODULE__)
# Finally, we can run our custom made analysis.
# In this example, we look for lines in source code matching our regex:
Enum.reduce(lines, [], &process_line(&1, &2, line_regex, issue_meta))
end
defp process_line({line_no, line}, issues, line_regex, issue_meta) do
case Regex.run(line_regex, line) do
nil -> issues
matches ->
trigger = matches |> List.last
new_issue = issue_for(issue_meta, line_no, trigger)
[new_issue] ++ issues
end
end
defp issue_for(issue_meta, line_no, trigger) do
# format_issue/2 is a function provided by Credo.Check to help us format the
# found issue
format_issue issue_meta,
message: "OMG! This line matches our Regexp in @default_params!",
line_no: line_no,
trigger: trigger
end
end