pkgset

Documentation

Index

• func IsStd(p *packages.Package) bool
• func IsStdName(id string) bool
• func Parse(ctx context.Context, expr []string) (ast.Expr, error)
• type Set
  • func Calc(ctx context.Context, expr []string) (Set, error)
  • func Dependencies(a Set) Set
  • func Intersect(a, b Set) Set
  • func New(roots ...*packages.Package) Set
  • func NewRoot(roots ...*packages.Package) Set
  • func Reach(a, b Set) Set
  • func Sources(a Set) Set
  • func Std() Set
  • func Subtract(a, b Set) Set
  • func SymmetricDifference(a, b Set) Set
  • func Union(a, b Set) Set
  • func (set Set) Clone() Set
  • func (set Set) IncludeRecursive(p *packages.Package)
  • func (set Set) Sorted() []*packages.Package
  • func (set Set) Tree() *Tree
  • func (set Set) Walk(fn func(*packages.Package))
  • func (set Set) WalkDependencies(fn func(*packages.Package))
• type Tree
  • func NewTree(parent *Tree, path string) *Tree
  • func (tree *Tree) Add(pkg *packages.Package)
  • func (tree *Tree) HasParent(parent *Tree) bool
  • func (tree *Tree) Insert(prefix, suffix []string, pkg *packages.Package)
  • func (tree *Tree) LookupTable() map[*packages.Package]*Tree
  • func (tree *Tree) Sort()
  • func (tree *Tree) Walk(fn func(tree *Tree))

Functions

func IsStd

func IsStd(p *packages.Package) bool

IsStd returns whether *packages.Package is a std package

func IsStdName

func IsStdName(id string) bool

IsStdName returns whether id corresponds to a standard package

func Parse

func Parse(ctx context.Context, expr []string) (ast.Expr, error)

Types

type Set

type Set map[string]*packages.Package

Set is a p.ID -> *packages.Package

func Calc

func Calc(ctx context.Context, expr []string) (Set, error)

func Dependencies

func Dependencies(a Set) Set

Dependencies returns packages that has removed first layer in the DAG

func Intersect

func Intersect(a, b Set) Set

Intersect returns packages that exist in both

func New

func New(roots ...*packages.Package) Set

New makes a set from roots recursively

func NewRoot

func NewRoot(roots ...*packages.Package) Set

NewRoot makes a set from roots recursively

func Reach

func Reach(a, b Set) Set

Reach returns packages in a that terminate in b

func Sources

func Sources(a Set) Set

Sources returns packages that don't have incoming edges

func Std

func Std() Set

Std returns the standard package set

func Subtract

func Subtract(a, b Set) Set

Subtract returns packages that exist in a, but not in b

func SymmetricDifference

func SymmetricDifference(a, b Set) Set

SymmetricDifference returns packages that are different

func Union

func Union(a, b Set) Set

Union includes packages from both sets

func (Set) Clone

func (set Set) Clone() Set

Clone makes a copy of the set

func (Set) IncludeRecursive

func (set Set) IncludeRecursive(p *packages.Package)

IncludeRecursive adds p recursively

func (Set) Sorted

func (set Set) Sorted() []*packages.Package

Sorted returns packages in sorted order

func (Set) Tree

func (set Set) Tree() *Tree

Tree returns package tree

func (Set) Walk

func (set Set) Walk(fn func(*packages.Package))

func (Set) WalkDependencies

func (set Set) WalkDependencies(fn func(*packages.Package))

type Tree

type Tree struct {
	Path    string
	Package *packages.Package

	Child map[string]*Tree

	Parent   *Tree
	Children []*Tree
}

func NewTree

func NewTree(parent *Tree, path string) *Tree

func (*Tree) Add

func (tree *Tree) Add(pkg *packages.Package)

func (*Tree) HasParent

func (tree *Tree) HasParent(parent *Tree) bool

func (*Tree) Insert

func (tree *Tree) Insert(prefix, suffix []string, pkg *packages.Package)

func (*Tree) LookupTable

func (tree *Tree) LookupTable() map[*packages.Package]*Tree

func (*Tree) Sort

func (tree *Tree) Sort()

func (*Tree) Walk

func (tree *Tree) Walk(fn func(tree *Tree))