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go_agent/src/code.google.com/p/go.tools/present/args.go

Summary

Maintainability
F
3 days
Test Coverage

Function addrNumber has a Cognitive Complexity of 54 (exceeds 20 allowed). Consider refactoring.
Open

func addrNumber(data []byte, lo, hi int, dir byte, n int, charOffset bool) (int, int, error) {
    switch dir {
    case 0:
        lo = 0
        hi = 0
Severity: Minor
Found in go_agent/src/code.google.com/p/go.tools/present/args.go - About 5 hrs 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

Function addrToByteRange has a Cognitive Complexity of 42 (exceeds 20 allowed). Consider refactoring.
Open

func addrToByteRange(addr string, start int, data []byte) (lo, hi int, err error) {
    if addr == "" {
        lo, hi = start, len(data)
        return
    }
Severity: Minor
Found in go_agent/src/code.google.com/p/go.tools/present/args.go - About 3 hrs 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

Function addrToByteRange has 85 lines of code (exceeds 50 allowed). Consider refactoring.
Open

func addrToByteRange(addr string, start int, data []byte) (lo, hi int, err error) {
    if addr == "" {
        lo, hi = start, len(data)
        return
    }
Severity: Major
Found in go_agent/src/code.google.com/p/go.tools/present/args.go - About 2 hrs to fix

    Function addrNumber has 70 lines of code (exceeds 50 allowed). Consider refactoring.
    Open

    func addrNumber(data []byte, lo, hi int, dir byte, n int, charOffset bool) (int, int, error) {
    switch dir {
    case 0:
        lo = 0
        hi = 0
    Severity: Minor
    Found in go_agent/src/code.google.com/p/go.tools/present/args.go - About 1 hr to fix

      Function addrNumber has 5 arguments (exceeds 4 allowed). Consider refactoring.
      Open

      func addrNumber(data []byte, lo, hi int, dir byte, n int, charOffset bool) (int, int, error) {
      Severity: Minor
      Found in go_agent/src/code.google.com/p/go.tools/present/args.go - About 35 mins to fix

        Function addrNumber has 5 return statements (exceeds 4 allowed).
        Open

        func addrNumber(data []byte, lo, hi int, dir byte, n int, charOffset bool) (int, int, error) {
    switch dir {
    case 0:
        lo = 0
        hi = 0
        Severity: Major
        Found in go_agent/src/code.google.com/p/go.tools/present/args.go - About 35 mins to fix

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

          func addrNumber(data []byte, lo, hi int, dir byte, n int, charOffset bool) (int, int, error) {
    switch dir {
    case 0:
        lo = 0
        hi = 0
          Severity: Major
          Found in go_agent/src/code.google.com/p/go.tools/present/args.go and 1 other location - About 7 hrs to fix
          go_agent/src/code.google.com/p/go.tools/cmd/godoc/codewalk.go on lines 388..465

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 498.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

          Identical blocks of code found in 2 locations. Consider refactoring.
          Open

              for addr != "" && err == nil {
        c := addr[0]
        switch c {
        default:
            err = errors.New("invalid address syntax near " + string(c))
          Severity: Major
          Found in go_agent/src/code.google.com/p/go.tools/present/args.go and 1 other location - About 7 hrs to fix
          go_agent/src/code.google.com/p/go.tools/cmd/godoc/codewalk.go on lines 300..371

          Duplicated Code

          Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

          Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

          When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

          Tuning

          This issue has a mass of 497.

          We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

          The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

          If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

          See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

          Refactorings

          Further Reading

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