elves/elvish

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Method inlineParser.render has a Cognitive Complexity of 140 (exceeds 20 allowed). Consider refactoring.
Open

func (p *inlineParser) render() {
    for p.pos < len(p.text) {
        b := p.text[p.pos]
        begin := p.pos
        p.pos++
Severity: Minor
Found in pkg/md/inline.go - About 2 days 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 readEvent has a Cognitive Complexity of 86 (exceeds 20 allowed). Consider refactoring.
Open

func readEvent(rd byteReaderWithTimeout) (event Event, err error) {
    var r rune
    r, err = readRune(rd, -1)
    if err != nil {
        return
Severity: Minor
Found in pkg/cli/term/reader_unix.go - About 1 day 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 htmlCodec.Do has a Cognitive Complexity of 66 (exceeds 20 allowed). Consider refactoring.
Open

func (c *htmlCodec) Do(op md.Op) {
    c.preprocessInline(op.Content)
    switch op.Type {
    case md.OpHeading:
        id := ""
Severity: Minor
Found in website/cmd/md2html/html_codec.go - About 7 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 completeGetopt has a Cognitive Complexity of 58 (exceeds 20 allowed). Consider refactoring.
Open

func completeGetopt(fm *eval.Frame, vArgs, vOpts, vArgHandlers any) error {
    args, err := parseGetoptArgs(vArgs)
    if err != nil {
        return err
    }
Severity: Minor
Found in pkg/edit/complete_getopt.go - About 6 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 main has a Cognitive Complexity of 42 (exceeds 5 allowed). Consider refactoring.
Open

def main(args):
    if len(args) != 2:
        print('Usage: check-rellinks dir')
        sys.exit(1)
    os.chdir(args[1])
Severity: Minor
Found in website/tools/check-rellinks.py - About 6 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

Method Primary.doubleQuotedInner has a Cognitive Complexity of 54 (exceeds 20 allowed). Consider refactoring.
Open

func (pn *Primary) doubleQuotedInner(ps *parser) {
    var buf bytes.Buffer
    defer func() { pn.Value = buf.String() }()
    for {
        switch r := ps.next(); r {
Severity: Minor
Found in pkg/parse/parse.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

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

func min(rawNums ...vals.Num) (vals.Num, error) {
    if len(rawNums) == 0 {
        return nil, errs.ArityMismatch{What: "arguments", ValidLow: 1, ValidHigh: -1, Actual: 0}
    }
    nums := vals.UnifyNums(rawNums, 0)
Severity: Major
Found in pkg/mods/math/math.go and 1 other location - About 5 hrs to fix
pkg/mods/math/math.go on lines 126..165

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 404.

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

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

func max(rawNums ...vals.Num) (vals.Num, error) {
    if len(rawNums) == 0 {
        return nil, errs.ArityMismatch{What: "arguments", ValidLow: 1, ValidHigh: -1, Actual: 0}
    }
    nums := vals.UnifyNums(rawNums, 0)
Severity: Major
Found in pkg/mods/math/math.go and 1 other location - About 5 hrs to fix
pkg/mods/math/math.go on lines 167..206

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 404.

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

Method goFn.Call has a Cognitive Complexity of 50 (exceeds 20 allowed). Consider refactoring.
Open

func (b *goFn) Call(f *Frame, args []any, opts map[string]any) error {
    if b.variadicArg != nil {
        if len(args) < len(b.normalArgs) {
            return errs.ArityMismatch{What: "arguments",
                ValidLow: len(b.normalArgs), ValidHigh: -1, Actual: len(args)}
Severity: Minor
Found in pkg/eval/go_fn.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 parseGetoptOptSpecs has a Cognitive Complexity of 50 (exceeds 20 allowed). Consider refactoring.
Open

func parseGetoptOptSpecs(v any) (parsedOptSpecs, error) {
    result := parsedOptSpecs{
        nil, map[*getopt.OptionSpec]string{},
        map[*getopt.OptionSpec]string{}, map[*getopt.OptionSpec]eval.Callable{}}

Severity: Minor
Found in pkg/edit/complete_getopt.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 testTranscripts has a Cognitive Complexity of 48 (exceeds 20 allowed). Consider refactoring.
Open

func testTranscripts(t *testing.T, sd *setupDirectives, nodes []*transcript.Node, setups []setupFunc, run *runCfg) {
    for _, node := range nodes {
        if run != nil && !(node.LineFrom <= run.line && run.line < node.LineTo) {
            continue
        }
Severity: Minor
Found in pkg/eval/evaltest/test_transcript.go - About 4 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 glob has a Cognitive Complexity of 45 (exceeds 20 allowed). Consider refactoring.
Open

func glob(segs []Segment, dir string, cb func(PathInfo) bool) bool {
    // Consume non-wildcard path elements simply by following the path. This may
    // seem like an optimization, but is actually required for "." and ".." to
    // be used as path elements, as they do not appear in the result of ReadDir.
    // It is also required for handling directory components that are actually
Severity: Minor
Found in pkg/glob/glob.go - About 4 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 DiffNoHeader has a Cognitive Complexity of 44 (exceeds 20 allowed). Consider refactoring.
Open

func DiffNoHeader(old, new string) []byte {
    x := lines(old)
    y := lines(new)

    var out bytes.Buffer
Severity: Minor
Found in pkg/diff/diff.go - About 4 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

Method linkTailParser.parse has a Cognitive Complexity of 41 (exceeds 20 allowed). Consider refactoring.
Open

func (p *linkTailParser) parse() (n int, dest, title string) {
    if len(p.text) < 2 || p.text[0] != '(' {
        return -1, "", ""
    }

Severity: Minor
Found in pkg/md/inline.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

Method formOp.exec has a Cognitive Complexity of 41 (exceeds 20 allowed). Consider refactoring.
Open

func (op *formOp) exec(fm *Frame) (errRet Exception) {
    // fm here is always a sub-frame created in compiler.pipeline, so it can
    // be safely modified.

    // Temporary assignment.
Severity: Minor
Found in pkg/eval/compile_effect.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

Method blockParser.render has a Cognitive Complexity of 40 (exceeds 20 allowed). Consider refactoring.
Open

func (p *blockParser) render() {
    for p.lines.more() {
        line, lineNo := p.lines.next()
        line, matchedContainers, newItem := p.tree.processContainerMarkers(line, lineNo, p.codec)

Severity: Minor
Found in pkg/md/md.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 Extract has a Cognitive Complexity of 37 (exceeds 20 allowed). Consider refactoring.
Open

func Extract(r io.Reader, symbolPrefix string) (Docs, error) {
    var docs Docs
    var block blockState
    scanner := bufio.NewScanner(r)
    lineNo := 0
Severity: Minor
Found in pkg/elvdoc/elvdoc.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

Method pipelineOp.exec has a Cognitive Complexity of 35 (exceeds 20 allowed). Consider refactoring.
Open

func (op *pipelineOp) exec(fm *Frame) Exception {
    if fm.Canceled() {
        return fm.errorp(op, ErrInterrupted)
    }

Severity: Minor
Found in pkg/eval/compile_effect.go - About 2 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 listingStartCustom has a Cognitive Complexity of 35 (exceeds 20 allowed). Consider refactoring.
Open

func listingStartCustom(ed *Editor, fm *eval.Frame, opts customListingOpts, items any) {
    var bindings tk.Bindings
    if opts.Binding.Map != nil {
        bindings = newMapBindings(ed, fm.Evaler, vars.FromPtr(&opts.Binding))
    }
Severity: Minor
Found in pkg/edit/listing_custom.go - About 2 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 highlight has a Cognitive Complexity of 34 (exceeds 20 allowed). Consider refactoring.
Open

func highlight(code string, cfg Config, lateCb func(ui.Text)) (ui.Text, []ui.Text) {
    var tips []ui.Text
    var errorRegions []region

    addDiagError := func(err diag.RangeError) {
Severity: Minor
Found in pkg/edit/highlight/highlight.go - About 2 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

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