mutator

package

v0.0.0-...-a33683f Latest Latest Go to latest Published: Dec 19, 2025 License: MIT Imports: 4 Imported by: 0

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Valid go.mod file
Redistributable license
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Repository

github.com/danicat/selene

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Documentation ¶

Index ¶

func Register(m Mutator)
type Candidate
- func Scan(file *ast.File, fset *token.FileSet, mutators []Mutator) []Candidate
type Comparison
type Logical
type Mutator
- func All() []Mutator
- func Get(name string) (Mutator, bool)
type ReverseIfCond
type SwapArithmetic

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Register ¶

func Register(m Mutator)

Register adds a mutator to the registry.

Types ¶

type Candidate ¶

type Candidate struct {
	ID      string
	Mutator Mutator
	Node    ast.Node
}

Candidate represents a potential mutation.

func Scan ¶

func Scan(file *ast.File, fset *token.FileSet, mutators []Mutator) []Candidate

Scan finds all mutation candidates in a file.

type Comparison ¶

type Comparison struct{}

Comparison swaps relational operators with their logical opposites.

func (*Comparison) Apply ¶

func (m *Comparison) Apply(node ast.Node)

func (*Comparison) Check ¶

func (m *Comparison) Check(node ast.Node) bool

func (*Comparison) Name ¶

func (m *Comparison) Name() string

func (*Comparison) Position ¶

func (m *Comparison) Position(node ast.Node) token.Pos

type Logical ¶

type Logical struct{}

Logical swaps logical operators (&& <-> ||).

func (*Logical) Apply ¶

func (m *Logical) Apply(node ast.Node)

func (*Logical) Check ¶

func (m *Logical) Check(node ast.Node) bool

func (*Logical) Name ¶

func (m *Logical) Name() string

func (*Logical) Position ¶

func (m *Logical) Position(node ast.Node) token.Pos

type Mutator ¶

type Mutator interface {
	Name() string
	Check(node ast.Node) bool
	Apply(node ast.Node)
	Position(node ast.Node) token.Pos
}

Mutator defines the interface for AST mutations.

func All ¶

func All() []Mutator

All returns all registered mutators.

func Get ¶

func Get(name string) (Mutator, bool)

Get returns a mutator by name.

type ReverseIfCond ¶

type ReverseIfCond struct{}

ReverseIfCond negates boolean expressions in if statements.

func (*ReverseIfCond) Apply ¶

func (m *ReverseIfCond) Apply(node ast.Node)

func (*ReverseIfCond) Check ¶

func (m *ReverseIfCond) Check(node ast.Node) bool

func (*ReverseIfCond) Name ¶

func (m *ReverseIfCond) Name() string

func (*ReverseIfCond) Position ¶

func (m *ReverseIfCond) Position(node ast.Node) token.Pos

type SwapArithmetic ¶

type SwapArithmetic struct{}

SwapArithmetic swaps arithmetic operators.

func (*SwapArithmetic) Apply ¶

func (m *SwapArithmetic) Apply(node ast.Node)

func (*SwapArithmetic) Check ¶

func (m *SwapArithmetic) Check(node ast.Node) bool

func (*SwapArithmetic) Name ¶

func (m *SwapArithmetic) Name() string

func (*SwapArithmetic) Position ¶

func (m *SwapArithmetic) Position(node ast.Node) token.Pos

Source Files ¶

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