resolve

type Define struct {
	// is this Def causes a split?
	// if so, should look for parent scope
	Split bool
	Expr  ast.Expr

	// if index==-1, it means exact match
	Index int
}

type FileScope struct {
	File    *edit.File
	Imports Imports
}

type GlobalScope struct {
	Packages PackageRegistry
	Recorder *Recorder

	// key is the expr, value is the type info
	ExprInfo map[ast.Expr]types.Info

	NamedTypeToDecl map[PkgName]*edit.Decl
	// contains filtered or unexported fields
}

type Imports map[string]string

type NameRecorder struct {
	HasMockRef      bool
	HasVarTrap      bool
	NamesHavingMock map[string]bool
}

type PackageRegistry interface {
	Fset() *token.FileSet
	LoadPackage(pkgPath string) (*edit.Package, bool, error)
	GetPackage(pkgPath string) *edit.Package
}

type PackageScope struct {
	Package *edit.Package
	Decls   PkgScopeNames
}

type PkgName struct {
	PkgPath string
	Name    string
}

type PkgRecorder struct {
	Names map[string]*NameRecorder
	// Names count of vars
	NumVars int
}

type PkgScopeNames map[string]*edit.Decl

type Recorder struct {
	// has called `trap.AddInterceptor`?
	// if so, we need to enable trapAll mode
	// as mentioned in https://github.com/xhd2015/xgo/issues/308#issuecomment-2800327536
	HasTrapInterceptorRef bool
	Pkgs                  map[string]*PkgRecorder
}

type Scope struct {
	Global  *GlobalScope
	Package *PackageScope
	File    *FileScope

	Parent *Scope
	Defs   map[string]*Define
	Names  map[string]bool

	PkgDepth int
}