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whoward/cadenza

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lib/cadenza/lexer.rb

Summary

Maintainability
B
5 hrs
Test Coverage

Method scan_statement has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.
Open

    def scan_statement
      # eat any whitespace at the start of the string
      whitespace = @scanner.scan_until(/\S/)

      if whitespace
Severity: Minor
Found in lib/cadenza/lexer.rb - About 1 hr to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method scan_statement has 45 lines of code (exceeds 25 allowed). Consider refactoring.
Open

    def scan_statement
      # eat any whitespace at the start of the string
      whitespace = @scanner.scan_until(/\S/)

      if whitespace
Severity: Minor
Found in lib/cadenza/lexer.rb - About 1 hr to fix

    Method scan_body has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
    Open

        def scan_body
      if (text = @scanner.scan(/\{\{/))
        @context = :statement
        token(:VAR_OPEN, text)
    Severity: Minor
    Found in lib/cadenza/lexer.rb - About 1 hr to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

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