diff options
Diffstat (limited to 'vendor/golang.org/x/tools/internal/aliases')
3 files changed, 0 insertions, 166 deletions
diff --git a/vendor/golang.org/x/tools/internal/aliases/aliases.go b/vendor/golang.org/x/tools/internal/aliases/aliases.go deleted file mode 100644 index c24c2ee..0000000 --- a/vendor/golang.org/x/tools/internal/aliases/aliases.go +++ /dev/null @@ -1,32 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package aliases - -import ( - "go/token" - "go/types" -) - -// Package aliases defines backward compatible shims -// for the types.Alias type representation added in 1.22. -// This defines placeholders for x/tools until 1.26. - -// NewAlias creates a new TypeName in Package pkg that -// is an alias for the type rhs. -// -// The enabled parameter determines whether the resulting [TypeName]'s -// type is an [types.Alias]. Its value must be the result of a call to -// [Enabled], which computes the effective value of -// GODEBUG=gotypesalias=... by invoking the type checker. The Enabled -// function is expensive and should be called once per task (e.g. -// package import), not once per call to NewAlias. -func NewAlias(enabled bool, pos token.Pos, pkg *types.Package, name string, rhs types.Type) *types.TypeName { - if enabled { - tname := types.NewTypeName(pos, pkg, name, nil) - newAlias(tname, rhs) - return tname - } - return types.NewTypeName(pos, pkg, name, rhs) -} diff --git a/vendor/golang.org/x/tools/internal/aliases/aliases_go121.go b/vendor/golang.org/x/tools/internal/aliases/aliases_go121.go deleted file mode 100644 index 6652f7d..0000000 --- a/vendor/golang.org/x/tools/internal/aliases/aliases_go121.go +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build !go1.22 -// +build !go1.22 - -package aliases - -import ( - "go/types" -) - -// Alias is a placeholder for a go/types.Alias for <=1.21. -// It will never be created by go/types. -type Alias struct{} - -func (*Alias) String() string { panic("unreachable") } -func (*Alias) Underlying() types.Type { panic("unreachable") } -func (*Alias) Obj() *types.TypeName { panic("unreachable") } -func Rhs(alias *Alias) types.Type { panic("unreachable") } -func TypeParams(alias *Alias) *types.TypeParamList { panic("unreachable") } -func SetTypeParams(alias *Alias, tparams []*types.TypeParam) { panic("unreachable") } -func TypeArgs(alias *Alias) *types.TypeList { panic("unreachable") } -func Origin(alias *Alias) *Alias { panic("unreachable") } - -// Unalias returns the type t for go <=1.21. -func Unalias(t types.Type) types.Type { return t } - -func newAlias(name *types.TypeName, rhs types.Type) *Alias { panic("unreachable") } - -// Enabled reports whether [NewAlias] should create [types.Alias] types. -// -// Before go1.22, this function always returns false. -func Enabled() bool { return false } diff --git a/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go b/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go deleted file mode 100644 index 3ef1afe..0000000 --- a/vendor/golang.org/x/tools/internal/aliases/aliases_go122.go +++ /dev/null @@ -1,99 +0,0 @@ -// Copyright 2024 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build go1.22 -// +build go1.22 - -package aliases - -import ( - "go/ast" - "go/parser" - "go/token" - "go/types" -) - -// Alias is an alias of types.Alias. -type Alias = types.Alias - -// Rhs returns the type on the right-hand side of the alias declaration. -func Rhs(alias *Alias) types.Type { - if alias, ok := any(alias).(interface{ Rhs() types.Type }); ok { - return alias.Rhs() // go1.23+ - } - - // go1.22's Alias didn't have the Rhs method, - // so Unalias is the best we can do. - return Unalias(alias) -} - -// TypeParams returns the type parameter list of the alias. -func TypeParams(alias *Alias) *types.TypeParamList { - if alias, ok := any(alias).(interface{ TypeParams() *types.TypeParamList }); ok { - return alias.TypeParams() // go1.23+ - } - return nil -} - -// SetTypeParams sets the type parameters of the alias type. -func SetTypeParams(alias *Alias, tparams []*types.TypeParam) { - if alias, ok := any(alias).(interface { - SetTypeParams(tparams []*types.TypeParam) - }); ok { - alias.SetTypeParams(tparams) // go1.23+ - } else if len(tparams) > 0 { - panic("cannot set type parameters of an Alias type in go1.22") - } -} - -// TypeArgs returns the type arguments used to instantiate the Alias type. -func TypeArgs(alias *Alias) *types.TypeList { - if alias, ok := any(alias).(interface{ TypeArgs() *types.TypeList }); ok { - return alias.TypeArgs() // go1.23+ - } - return nil // empty (go1.22) -} - -// Origin returns the generic Alias type of which alias is an instance. -// If alias is not an instance of a generic alias, Origin returns alias. -func Origin(alias *Alias) *Alias { - if alias, ok := any(alias).(interface{ Origin() *types.Alias }); ok { - return alias.Origin() // go1.23+ - } - return alias // not an instance of a generic alias (go1.22) -} - -// Unalias is a wrapper of types.Unalias. -func Unalias(t types.Type) types.Type { return types.Unalias(t) } - -// newAlias is an internal alias around types.NewAlias. -// Direct usage is discouraged as the moment. -// Try to use NewAlias instead. -func newAlias(tname *types.TypeName, rhs types.Type) *Alias { - a := types.NewAlias(tname, rhs) - // TODO(go.dev/issue/65455): Remove kludgy workaround to set a.actual as a side-effect. - Unalias(a) - return a -} - -// Enabled reports whether [NewAlias] should create [types.Alias] types. -// -// This function is expensive! Call it sparingly. -func Enabled() bool { - // The only reliable way to compute the answer is to invoke go/types. - // We don't parse the GODEBUG environment variable, because - // (a) it's tricky to do so in a manner that is consistent - // with the godebug package; in particular, a simple - // substring check is not good enough. The value is a - // rightmost-wins list of options. But more importantly: - // (b) it is impossible to detect changes to the effective - // setting caused by os.Setenv("GODEBUG"), as happens in - // many tests. Therefore any attempt to cache the result - // is just incorrect. - fset := token.NewFileSet() - f, _ := parser.ParseFile(fset, "a.go", "package p; type A = int", 0) - pkg, _ := new(types.Config).Check("p", fset, []*ast.File{f}, nil) - _, enabled := pkg.Scope().Lookup("A").Type().(*types.Alias) - return enabled -} |