From 9f3d750e7cb1d15b243964f1b44ca5ba3d84187e Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 18 Dec 2023 14:51:04 +0000 Subject: [PATCH] Bump github.com/cloudfoundry/gosigar from 1.3.38 to 1.3.39 in /src Bumps [github.com/cloudfoundry/gosigar](https://github.com/cloudfoundry/gosigar) from 1.3.38 to 1.3.39. - [Release notes](https://github.com/cloudfoundry/gosigar/releases) - [Commits](https://github.com/cloudfoundry/gosigar/compare/v1.3.38...v1.3.39) --- updated-dependencies: - dependency-name: github.com/cloudfoundry/gosigar dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] --- src/go.mod | 6 +- src/go.sum | 13 +- .../x/tools/go/ast/inspector/typeof.go | 4 +- .../x/tools/internal/typeparams/common.go | 204 ---------------- .../x/tools/internal/typeparams/coretype.go | 122 ---------- .../internal/typeparams/enabled_go117.go | 12 - .../internal/typeparams/enabled_go118.go | 15 -- .../x/tools/internal/typeparams/normalize.go | 218 ------------------ .../x/tools/internal/typeparams/termlist.go | 163 ------------- .../internal/typeparams/typeparams_go117.go | 197 ---------------- .../internal/typeparams/typeparams_go118.go | 151 ------------ .../x/tools/internal/typeparams/typeterm.go | 169 -------------- src/vendor/modules.txt | 7 +- 13 files changed, 13 insertions(+), 1268 deletions(-) delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/common.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/coretype.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/enabled_go117.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/enabled_go118.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/normalize.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/termlist.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go117.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go118.go delete mode 100644 src/vendor/golang.org/x/tools/internal/typeparams/typeterm.go diff --git a/src/go.mod b/src/go.mod index 814cb34d7..af307ea04 100644 --- a/src/go.mod +++ b/src/go.mod @@ -13,7 +13,7 @@ require ( github.com/Benjamintf1/unmarshalledmatchers v0.0.0-20190408201839-bb1c1f34eaea github.com/benbjohnson/jmphash v0.0.0-20141216154655-2d58f234cd86 github.com/cespare/xxhash v1.1.0 - github.com/cloudfoundry/gosigar v1.3.38 + github.com/cloudfoundry/gosigar v1.3.39 github.com/dvsekhvalnov/jose2go v1.5.1-0.20211102184025-feb89cf56911 github.com/emirpasic/gods v1.18.1 github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1 @@ -48,7 +48,7 @@ require ( github.com/golang/protobuf v1.5.3 // indirect github.com/golang/snappy v0.0.1 // indirect github.com/google/go-cmp v0.6.0 // indirect - github.com/google/pprof v0.0.0-20231205033806-a5a03c77bf08 // indirect + github.com/google/pprof v0.0.0-20231212022811-ec68065c825e // indirect github.com/kr/text v0.2.0 // indirect github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect @@ -65,7 +65,7 @@ require ( golang.org/x/sync v0.5.0 // indirect golang.org/x/sys v0.15.0 // indirect golang.org/x/text v0.14.0 // indirect - golang.org/x/tools v0.16.0 // indirect + golang.org/x/tools v0.16.1 // indirect google.golang.org/genproto v0.0.0-20231030173426-d783a09b4405 // indirect google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect google.golang.org/genproto/googleapis/rpc v0.0.0-20231030173426-d783a09b4405 // indirect diff --git a/src/go.sum b/src/go.sum index 487c51546..ca58ed229 100644 --- a/src/go.sum +++ b/src/go.sum @@ -70,8 +70,8 @@ github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag= github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= -github.com/cloudfoundry/gosigar v1.3.38 h1:WbsrYoLFkJ/bN1s8SFLnFwjfo9U9bJ3rKFAZVj/AbM8= -github.com/cloudfoundry/gosigar v1.3.38/go.mod h1:/V8poLl3GrM7iW3/UtoI3Mx64THn3Kfv21JR54A2E2M= +github.com/cloudfoundry/gosigar v1.3.39 h1:YnZlJ8iTYcEtWP8UKOFAQJPOq29HmKiTWRIF+ZxjtvY= +github.com/cloudfoundry/gosigar v1.3.39/go.mod h1:TWNpWKV2QqGbTs9DBXsg4jSWgBsTn84CTOoCIZ+8fOs= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= @@ -204,8 +204,8 @@ github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXi github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190723021845-34ac40c74b70/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= -github.com/google/pprof v0.0.0-20231205033806-a5a03c77bf08 h1:PxlBVtIFHR/mtWk2i0gTEdCz+jBnqiuHNSki0epDbVs= -github.com/google/pprof v0.0.0-20231205033806-a5a03c77bf08/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik= +github.com/google/pprof v0.0.0-20231212022811-ec68065c825e h1:bwOy7hAFd0C91URzMIEBfr6BAz29yk7Qj0cy6S7DJlU= +github.com/google/pprof v0.0.0-20231212022811-ec68065c825e/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik= github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.1.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= @@ -448,7 +448,6 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE= -golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0= golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -541,8 +540,8 @@ golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgw golang.org/x/tools v0.0.0-20190617190820-da514acc4774/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= golang.org/x/tools v0.0.0-20190918214516-5a1a30219888/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= -golang.org/x/tools v0.16.0 h1:GO788SKMRunPIBCXiQyo2AaexLstOrVhuAL5YwsckQM= -golang.org/x/tools v0.16.0/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0= +golang.org/x/tools v0.16.1 h1:TLyB3WofjdOEepBHAU20JdNC1Zbg87elYofWYAY5oZA= +golang.org/x/tools v0.16.1/go.mod h1:kYVVN6I1mBNoB1OX+noeBjbRk4IUEPa7JJ+TJMEooJ0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE= diff --git a/src/vendor/golang.org/x/tools/go/ast/inspector/typeof.go b/src/vendor/golang.org/x/tools/go/ast/inspector/typeof.go index 703c81395..2a872f89d 100644 --- a/src/vendor/golang.org/x/tools/go/ast/inspector/typeof.go +++ b/src/vendor/golang.org/x/tools/go/ast/inspector/typeof.go @@ -12,8 +12,6 @@ package inspector import ( "go/ast" "math" - - "golang.org/x/tools/internal/typeparams" ) const ( @@ -171,7 +169,7 @@ func typeOf(n ast.Node) uint64 { return 1 << nIncDecStmt case *ast.IndexExpr: return 1 << nIndexExpr - case *typeparams.IndexListExpr: + case *ast.IndexListExpr: return 1 << nIndexListExpr case *ast.InterfaceType: return 1 << nInterfaceType diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/common.go b/src/vendor/golang.org/x/tools/internal/typeparams/common.go deleted file mode 100644 index d0d0649fe..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/common.go +++ /dev/null @@ -1,204 +0,0 @@ -// Copyright 2021 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 typeparams contains common utilities for writing tools that interact -// with generic Go code, as introduced with Go 1.18. -// -// Many of the types and functions in this package are proxies for the new APIs -// introduced in the standard library with Go 1.18. For example, the -// typeparams.Union type is an alias for go/types.Union, and the ForTypeSpec -// function returns the value of the go/ast.TypeSpec.TypeParams field. At Go -// versions older than 1.18 these helpers are implemented as stubs, allowing -// users of this package to write code that handles generic constructs inline, -// even if the Go version being used to compile does not support generics. -// -// Additionally, this package contains common utilities for working with the -// new generic constructs, to supplement the standard library APIs. Notably, -// the StructuralTerms API computes a minimal representation of the structural -// restrictions on a type parameter. -// -// An external version of these APIs is available in the -// golang.org/x/exp/typeparams module. -package typeparams - -import ( - "fmt" - "go/ast" - "go/token" - "go/types" -) - -// UnpackIndexExpr extracts data from AST nodes that represent index -// expressions. -// -// For an ast.IndexExpr, the resulting indices slice will contain exactly one -// index expression. For an ast.IndexListExpr (go1.18+), it may have a variable -// number of index expressions. -// -// For nodes that don't represent index expressions, the first return value of -// UnpackIndexExpr will be nil. -func UnpackIndexExpr(n ast.Node) (x ast.Expr, lbrack token.Pos, indices []ast.Expr, rbrack token.Pos) { - switch e := n.(type) { - case *ast.IndexExpr: - return e.X, e.Lbrack, []ast.Expr{e.Index}, e.Rbrack - case *IndexListExpr: - return e.X, e.Lbrack, e.Indices, e.Rbrack - } - return nil, token.NoPos, nil, token.NoPos -} - -// PackIndexExpr returns an *ast.IndexExpr or *ast.IndexListExpr, depending on -// the cardinality of indices. Calling PackIndexExpr with len(indices) == 0 -// will panic. -func PackIndexExpr(x ast.Expr, lbrack token.Pos, indices []ast.Expr, rbrack token.Pos) ast.Expr { - switch len(indices) { - case 0: - panic("empty indices") - case 1: - return &ast.IndexExpr{ - X: x, - Lbrack: lbrack, - Index: indices[0], - Rbrack: rbrack, - } - default: - return &IndexListExpr{ - X: x, - Lbrack: lbrack, - Indices: indices, - Rbrack: rbrack, - } - } -} - -// IsTypeParam reports whether t is a type parameter. -func IsTypeParam(t types.Type) bool { - _, ok := t.(*TypeParam) - return ok -} - -// OriginMethod returns the origin method associated with the method fn. -// For methods on a non-generic receiver base type, this is just -// fn. However, for methods with a generic receiver, OriginMethod returns the -// corresponding method in the method set of the origin type. -// -// As a special case, if fn is not a method (has no receiver), OriginMethod -// returns fn. -func OriginMethod(fn *types.Func) *types.Func { - recv := fn.Type().(*types.Signature).Recv() - if recv == nil { - return fn - } - base := recv.Type() - p, isPtr := base.(*types.Pointer) - if isPtr { - base = p.Elem() - } - named, isNamed := base.(*types.Named) - if !isNamed { - // Receiver is a *types.Interface. - return fn - } - if ForNamed(named).Len() == 0 { - // Receiver base has no type parameters, so we can avoid the lookup below. - return fn - } - orig := NamedTypeOrigin(named) - gfn, _, _ := types.LookupFieldOrMethod(orig, true, fn.Pkg(), fn.Name()) - - // This is a fix for a gopls crash (#60628) due to a go/types bug (#60634). In: - // package p - // type T *int - // func (*T) f() {} - // LookupFieldOrMethod(T, true, p, f)=nil, but NewMethodSet(*T)={(*T).f}. - // Here we make them consistent by force. - // (The go/types bug is general, but this workaround is reached only - // for generic T thanks to the early return above.) - if gfn == nil { - mset := types.NewMethodSet(types.NewPointer(orig)) - for i := 0; i < mset.Len(); i++ { - m := mset.At(i) - if m.Obj().Id() == fn.Id() { - gfn = m.Obj() - break - } - } - } - - // In golang/go#61196, we observe another crash, this time inexplicable. - if gfn == nil { - panic(fmt.Sprintf("missing origin method for %s.%s; named == origin: %t, named.NumMethods(): %d, origin.NumMethods(): %d", named, fn, named == orig, named.NumMethods(), orig.NumMethods())) - } - - return gfn.(*types.Func) -} - -// GenericAssignableTo is a generalization of types.AssignableTo that -// implements the following rule for uninstantiated generic types: -// -// If V and T are generic named types, then V is considered assignable to T if, -// for every possible instantation of V[A_1, ..., A_N], the instantiation -// T[A_1, ..., A_N] is valid and V[A_1, ..., A_N] implements T[A_1, ..., A_N]. -// -// If T has structural constraints, they must be satisfied by V. -// -// For example, consider the following type declarations: -// -// type Interface[T any] interface { -// Accept(T) -// } -// -// type Container[T any] struct { -// Element T -// } -// -// func (c Container[T]) Accept(t T) { c.Element = t } -// -// In this case, GenericAssignableTo reports that instantiations of Container -// are assignable to the corresponding instantiation of Interface. -func GenericAssignableTo(ctxt *Context, V, T types.Type) bool { - // If V and T are not both named, or do not have matching non-empty type - // parameter lists, fall back on types.AssignableTo. - - VN, Vnamed := V.(*types.Named) - TN, Tnamed := T.(*types.Named) - if !Vnamed || !Tnamed { - return types.AssignableTo(V, T) - } - - vtparams := ForNamed(VN) - ttparams := ForNamed(TN) - if vtparams.Len() == 0 || vtparams.Len() != ttparams.Len() || NamedTypeArgs(VN).Len() != 0 || NamedTypeArgs(TN).Len() != 0 { - return types.AssignableTo(V, T) - } - - // V and T have the same (non-zero) number of type params. Instantiate both - // with the type parameters of V. This must always succeed for V, and will - // succeed for T if and only if the type set of each type parameter of V is a - // subset of the type set of the corresponding type parameter of T, meaning - // that every instantiation of V corresponds to a valid instantiation of T. - - // Minor optimization: ensure we share a context across the two - // instantiations below. - if ctxt == nil { - ctxt = NewContext() - } - - var targs []types.Type - for i := 0; i < vtparams.Len(); i++ { - targs = append(targs, vtparams.At(i)) - } - - vinst, err := Instantiate(ctxt, V, targs, true) - if err != nil { - panic("type parameters should satisfy their own constraints") - } - - tinst, err := Instantiate(ctxt, T, targs, true) - if err != nil { - return false - } - - return types.AssignableTo(vinst, tinst) -} diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/coretype.go b/src/vendor/golang.org/x/tools/internal/typeparams/coretype.go deleted file mode 100644 index 71248209e..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/coretype.go +++ /dev/null @@ -1,122 +0,0 @@ -// Copyright 2022 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 typeparams - -import ( - "go/types" -) - -// CoreType returns the core type of T or nil if T does not have a core type. -// -// See https://go.dev/ref/spec#Core_types for the definition of a core type. -func CoreType(T types.Type) types.Type { - U := T.Underlying() - if _, ok := U.(*types.Interface); !ok { - return U // for non-interface types, - } - - terms, err := _NormalTerms(U) - if len(terms) == 0 || err != nil { - // len(terms) -> empty type set of interface. - // err != nil => U is invalid, exceeds complexity bounds, or has an empty type set. - return nil // no core type. - } - - U = terms[0].Type().Underlying() - var identical int // i in [0,identical) => Identical(U, terms[i].Type().Underlying()) - for identical = 1; identical < len(terms); identical++ { - if !types.Identical(U, terms[identical].Type().Underlying()) { - break - } - } - - if identical == len(terms) { - // https://go.dev/ref/spec#Core_types - // "There is a single type U which is the underlying type of all types in the type set of T" - return U - } - ch, ok := U.(*types.Chan) - if !ok { - return nil // no core type as identical < len(terms) and U is not a channel. - } - // https://go.dev/ref/spec#Core_types - // "the type chan E if T contains only bidirectional channels, or the type chan<- E or - // <-chan E depending on the direction of the directional channels present." - for chans := identical; chans < len(terms); chans++ { - curr, ok := terms[chans].Type().Underlying().(*types.Chan) - if !ok { - return nil - } - if !types.Identical(ch.Elem(), curr.Elem()) { - return nil // channel elements are not identical. - } - if ch.Dir() == types.SendRecv { - // ch is bidirectional. We can safely always use curr's direction. - ch = curr - } else if curr.Dir() != types.SendRecv && ch.Dir() != curr.Dir() { - // ch and curr are not bidirectional and not the same direction. - return nil - } - } - return ch -} - -// _NormalTerms returns a slice of terms representing the normalized structural -// type restrictions of a type, if any. -// -// For all types other than *types.TypeParam, *types.Interface, and -// *types.Union, this is just a single term with Tilde() == false and -// Type() == typ. For *types.TypeParam, *types.Interface, and *types.Union, see -// below. -// -// Structural type restrictions of a type parameter are created via -// non-interface types embedded in its constraint interface (directly, or via a -// chain of interface embeddings). For example, in the declaration type -// T[P interface{~int; m()}] int the structural restriction of the type -// parameter P is ~int. -// -// With interface embedding and unions, the specification of structural type -// restrictions may be arbitrarily complex. For example, consider the -// following: -// -// type A interface{ ~string|~[]byte } -// -// type B interface{ int|string } -// -// type C interface { ~string|~int } -// -// type T[P interface{ A|B; C }] int -// -// In this example, the structural type restriction of P is ~string|int: A|B -// expands to ~string|~[]byte|int|string, which reduces to ~string|~[]byte|int, -// which when intersected with C (~string|~int) yields ~string|int. -// -// _NormalTerms computes these expansions and reductions, producing a -// "normalized" form of the embeddings. A structural restriction is normalized -// if it is a single union containing no interface terms, and is minimal in the -// sense that removing any term changes the set of types satisfying the -// constraint. It is left as a proof for the reader that, modulo sorting, there -// is exactly one such normalized form. -// -// Because the minimal representation always takes this form, _NormalTerms -// returns a slice of tilde terms corresponding to the terms of the union in -// the normalized structural restriction. An error is returned if the type is -// invalid, exceeds complexity bounds, or has an empty type set. In the latter -// case, _NormalTerms returns ErrEmptyTypeSet. -// -// _NormalTerms makes no guarantees about the order of terms, except that it -// is deterministic. -func _NormalTerms(typ types.Type) ([]*Term, error) { - switch typ := typ.(type) { - case *TypeParam: - return StructuralTerms(typ) - case *Union: - return UnionTermSet(typ) - case *types.Interface: - return InterfaceTermSet(typ) - default: - return []*Term{NewTerm(false, typ)}, nil - } -} diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/enabled_go117.go b/src/vendor/golang.org/x/tools/internal/typeparams/enabled_go117.go deleted file mode 100644 index 18212390e..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/enabled_go117.go +++ /dev/null @@ -1,12 +0,0 @@ -// Copyright 2021 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 !go1.18 -// +build !go1.18 - -package typeparams - -// Enabled reports whether type parameters are enabled in the current build -// environment. -const Enabled = false diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/enabled_go118.go b/src/vendor/golang.org/x/tools/internal/typeparams/enabled_go118.go deleted file mode 100644 index d67148823..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/enabled_go118.go +++ /dev/null @@ -1,15 +0,0 @@ -// Copyright 2021 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 go1.18 -// +build go1.18 - -package typeparams - -// Note: this constant is in a separate file as this is the only acceptable -// diff between the <1.18 API of this package and the 1.18 API. - -// Enabled reports whether type parameters are enabled in the current build -// environment. -const Enabled = true diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/normalize.go b/src/vendor/golang.org/x/tools/internal/typeparams/normalize.go deleted file mode 100644 index 9c631b651..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/normalize.go +++ /dev/null @@ -1,218 +0,0 @@ -// Copyright 2021 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 typeparams - -import ( - "errors" - "fmt" - "go/types" - "os" - "strings" -) - -//go:generate go run copytermlist.go - -const debug = false - -var ErrEmptyTypeSet = errors.New("empty type set") - -// StructuralTerms returns a slice of terms representing the normalized -// structural type restrictions of a type parameter, if any. -// -// Structural type restrictions of a type parameter are created via -// non-interface types embedded in its constraint interface (directly, or via a -// chain of interface embeddings). For example, in the declaration -// -// type T[P interface{~int; m()}] int -// -// the structural restriction of the type parameter P is ~int. -// -// With interface embedding and unions, the specification of structural type -// restrictions may be arbitrarily complex. For example, consider the -// following: -// -// type A interface{ ~string|~[]byte } -// -// type B interface{ int|string } -// -// type C interface { ~string|~int } -// -// type T[P interface{ A|B; C }] int -// -// In this example, the structural type restriction of P is ~string|int: A|B -// expands to ~string|~[]byte|int|string, which reduces to ~string|~[]byte|int, -// which when intersected with C (~string|~int) yields ~string|int. -// -// StructuralTerms computes these expansions and reductions, producing a -// "normalized" form of the embeddings. A structural restriction is normalized -// if it is a single union containing no interface terms, and is minimal in the -// sense that removing any term changes the set of types satisfying the -// constraint. It is left as a proof for the reader that, modulo sorting, there -// is exactly one such normalized form. -// -// Because the minimal representation always takes this form, StructuralTerms -// returns a slice of tilde terms corresponding to the terms of the union in -// the normalized structural restriction. An error is returned if the -// constraint interface is invalid, exceeds complexity bounds, or has an empty -// type set. In the latter case, StructuralTerms returns ErrEmptyTypeSet. -// -// StructuralTerms makes no guarantees about the order of terms, except that it -// is deterministic. -func StructuralTerms(tparam *TypeParam) ([]*Term, error) { - constraint := tparam.Constraint() - if constraint == nil { - return nil, fmt.Errorf("%s has nil constraint", tparam) - } - iface, _ := constraint.Underlying().(*types.Interface) - if iface == nil { - return nil, fmt.Errorf("constraint is %T, not *types.Interface", constraint.Underlying()) - } - return InterfaceTermSet(iface) -} - -// InterfaceTermSet computes the normalized terms for a constraint interface, -// returning an error if the term set cannot be computed or is empty. In the -// latter case, the error will be ErrEmptyTypeSet. -// -// See the documentation of StructuralTerms for more information on -// normalization. -func InterfaceTermSet(iface *types.Interface) ([]*Term, error) { - return computeTermSet(iface) -} - -// UnionTermSet computes the normalized terms for a union, returning an error -// if the term set cannot be computed or is empty. In the latter case, the -// error will be ErrEmptyTypeSet. -// -// See the documentation of StructuralTerms for more information on -// normalization. -func UnionTermSet(union *Union) ([]*Term, error) { - return computeTermSet(union) -} - -func computeTermSet(typ types.Type) ([]*Term, error) { - tset, err := computeTermSetInternal(typ, make(map[types.Type]*termSet), 0) - if err != nil { - return nil, err - } - if tset.terms.isEmpty() { - return nil, ErrEmptyTypeSet - } - if tset.terms.isAll() { - return nil, nil - } - var terms []*Term - for _, term := range tset.terms { - terms = append(terms, NewTerm(term.tilde, term.typ)) - } - return terms, nil -} - -// A termSet holds the normalized set of terms for a given type. -// -// The name termSet is intentionally distinct from 'type set': a type set is -// all types that implement a type (and includes method restrictions), whereas -// a term set just represents the structural restrictions on a type. -type termSet struct { - complete bool - terms termlist -} - -func indentf(depth int, format string, args ...interface{}) { - fmt.Fprintf(os.Stderr, strings.Repeat(".", depth)+format+"\n", args...) -} - -func computeTermSetInternal(t types.Type, seen map[types.Type]*termSet, depth int) (res *termSet, err error) { - if t == nil { - panic("nil type") - } - - if debug { - indentf(depth, "%s", t.String()) - defer func() { - if err != nil { - indentf(depth, "=> %s", err) - } else { - indentf(depth, "=> %s", res.terms.String()) - } - }() - } - - const maxTermCount = 100 - if tset, ok := seen[t]; ok { - if !tset.complete { - return nil, fmt.Errorf("cycle detected in the declaration of %s", t) - } - return tset, nil - } - - // Mark the current type as seen to avoid infinite recursion. - tset := new(termSet) - defer func() { - tset.complete = true - }() - seen[t] = tset - - switch u := t.Underlying().(type) { - case *types.Interface: - // The term set of an interface is the intersection of the term sets of its - // embedded types. - tset.terms = allTermlist - for i := 0; i < u.NumEmbeddeds(); i++ { - embedded := u.EmbeddedType(i) - if _, ok := embedded.Underlying().(*TypeParam); ok { - return nil, fmt.Errorf("invalid embedded type %T", embedded) - } - tset2, err := computeTermSetInternal(embedded, seen, depth+1) - if err != nil { - return nil, err - } - tset.terms = tset.terms.intersect(tset2.terms) - } - case *Union: - // The term set of a union is the union of term sets of its terms. - tset.terms = nil - for i := 0; i < u.Len(); i++ { - t := u.Term(i) - var terms termlist - switch t.Type().Underlying().(type) { - case *types.Interface: - tset2, err := computeTermSetInternal(t.Type(), seen, depth+1) - if err != nil { - return nil, err - } - terms = tset2.terms - case *TypeParam, *Union: - // A stand-alone type parameter or union is not permitted as union - // term. - return nil, fmt.Errorf("invalid union term %T", t) - default: - if t.Type() == types.Typ[types.Invalid] { - continue - } - terms = termlist{{t.Tilde(), t.Type()}} - } - tset.terms = tset.terms.union(terms) - if len(tset.terms) > maxTermCount { - return nil, fmt.Errorf("exceeded max term count %d", maxTermCount) - } - } - case *TypeParam: - panic("unreachable") - default: - // For all other types, the term set is just a single non-tilde term - // holding the type itself. - if u != types.Typ[types.Invalid] { - tset.terms = termlist{{false, t}} - } - } - return tset, nil -} - -// under is a facade for the go/types internal function of the same name. It is -// used by typeterm.go. -func under(t types.Type) types.Type { - return t.Underlying() -} diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/termlist.go b/src/vendor/golang.org/x/tools/internal/typeparams/termlist.go deleted file mode 100644 index cbd12f801..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/termlist.go +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright 2021 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. - -// Code generated by copytermlist.go DO NOT EDIT. - -package typeparams - -import ( - "bytes" - "go/types" -) - -// A termlist represents the type set represented by the union -// t1 βˆͺ y2 βˆͺ ... tn of the type sets of the terms t1 to tn. -// A termlist is in normal form if all terms are disjoint. -// termlist operations don't require the operands to be in -// normal form. -type termlist []*term - -// allTermlist represents the set of all types. -// It is in normal form. -var allTermlist = termlist{new(term)} - -// String prints the termlist exactly (without normalization). -func (xl termlist) String() string { - if len(xl) == 0 { - return "βˆ…" - } - var buf bytes.Buffer - for i, x := range xl { - if i > 0 { - buf.WriteString(" | ") - } - buf.WriteString(x.String()) - } - return buf.String() -} - -// isEmpty reports whether the termlist xl represents the empty set of types. -func (xl termlist) isEmpty() bool { - // If there's a non-nil term, the entire list is not empty. - // If the termlist is in normal form, this requires at most - // one iteration. - for _, x := range xl { - if x != nil { - return false - } - } - return true -} - -// isAll reports whether the termlist xl represents the set of all types. -func (xl termlist) isAll() bool { - // If there's a 𝓀 term, the entire list is 𝓀. - // If the termlist is in normal form, this requires at most - // one iteration. - for _, x := range xl { - if x != nil && x.typ == nil { - return true - } - } - return false -} - -// norm returns the normal form of xl. -func (xl termlist) norm() termlist { - // Quadratic algorithm, but good enough for now. - // TODO(gri) fix asymptotic performance - used := make([]bool, len(xl)) - var rl termlist - for i, xi := range xl { - if xi == nil || used[i] { - continue - } - for j := i + 1; j < len(xl); j++ { - xj := xl[j] - if xj == nil || used[j] { - continue - } - if u1, u2 := xi.union(xj); u2 == nil { - // If we encounter a 𝓀 term, the entire list is 𝓀. - // Exit early. - // (Note that this is not just an optimization; - // if we continue, we may end up with a 𝓀 term - // and other terms and the result would not be - // in normal form.) - if u1.typ == nil { - return allTermlist - } - xi = u1 - used[j] = true // xj is now unioned into xi - ignore it in future iterations - } - } - rl = append(rl, xi) - } - return rl -} - -// union returns the union xl βˆͺ yl. -func (xl termlist) union(yl termlist) termlist { - return append(xl, yl...).norm() -} - -// intersect returns the intersection xl ∩ yl. -func (xl termlist) intersect(yl termlist) termlist { - if xl.isEmpty() || yl.isEmpty() { - return nil - } - - // Quadratic algorithm, but good enough for now. - // TODO(gri) fix asymptotic performance - var rl termlist - for _, x := range xl { - for _, y := range yl { - if r := x.intersect(y); r != nil { - rl = append(rl, r) - } - } - } - return rl.norm() -} - -// equal reports whether xl and yl represent the same type set. -func (xl termlist) equal(yl termlist) bool { - // TODO(gri) this should be more efficient - return xl.subsetOf(yl) && yl.subsetOf(xl) -} - -// includes reports whether t ∈ xl. -func (xl termlist) includes(t types.Type) bool { - for _, x := range xl { - if x.includes(t) { - return true - } - } - return false -} - -// supersetOf reports whether y βŠ† xl. -func (xl termlist) supersetOf(y *term) bool { - for _, x := range xl { - if y.subsetOf(x) { - return true - } - } - return false -} - -// subsetOf reports whether xl βŠ† yl. -func (xl termlist) subsetOf(yl termlist) bool { - if yl.isEmpty() { - return xl.isEmpty() - } - - // each term x of xl must be a subset of yl - for _, x := range xl { - if !yl.supersetOf(x) { - return false // x is not a subset yl - } - } - return true -} diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go117.go b/src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go117.go deleted file mode 100644 index 7ed86e171..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go117.go +++ /dev/null @@ -1,197 +0,0 @@ -// Copyright 2021 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 !go1.18 -// +build !go1.18 - -package typeparams - -import ( - "go/ast" - "go/token" - "go/types" -) - -func unsupported() { - panic("type parameters are unsupported at this go version") -} - -// IndexListExpr is a placeholder type, as type parameters are not supported at -// this Go version. Its methods panic on use. -type IndexListExpr struct { - ast.Expr - X ast.Expr // expression - Lbrack token.Pos // position of "[" - Indices []ast.Expr // index expressions - Rbrack token.Pos // position of "]" -} - -// ForTypeSpec returns an empty field list, as type parameters on not supported -// at this Go version. -func ForTypeSpec(*ast.TypeSpec) *ast.FieldList { - return nil -} - -// ForFuncType returns an empty field list, as type parameters are not -// supported at this Go version. -func ForFuncType(*ast.FuncType) *ast.FieldList { - return nil -} - -// TypeParam is a placeholder type, as type parameters are not supported at -// this Go version. Its methods panic on use. -type TypeParam struct{ types.Type } - -func (*TypeParam) Index() int { unsupported(); return 0 } -func (*TypeParam) Constraint() types.Type { unsupported(); return nil } -func (*TypeParam) Obj() *types.TypeName { unsupported(); return nil } - -// TypeParamList is a placeholder for an empty type parameter list. -type TypeParamList struct{} - -func (*TypeParamList) Len() int { return 0 } -func (*TypeParamList) At(int) *TypeParam { unsupported(); return nil } - -// TypeList is a placeholder for an empty type list. -type TypeList struct{} - -func (*TypeList) Len() int { return 0 } -func (*TypeList) At(int) types.Type { unsupported(); return nil } - -// NewTypeParam is unsupported at this Go version, and panics. -func NewTypeParam(name *types.TypeName, constraint types.Type) *TypeParam { - unsupported() - return nil -} - -// SetTypeParamConstraint is unsupported at this Go version, and panics. -func SetTypeParamConstraint(tparam *TypeParam, constraint types.Type) { - unsupported() -} - -// NewSignatureType calls types.NewSignature, panicking if recvTypeParams or -// typeParams is non-empty. -func NewSignatureType(recv *types.Var, recvTypeParams, typeParams []*TypeParam, params, results *types.Tuple, variadic bool) *types.Signature { - if len(recvTypeParams) != 0 || len(typeParams) != 0 { - panic("signatures cannot have type parameters at this Go version") - } - return types.NewSignature(recv, params, results, variadic) -} - -// ForSignature returns an empty slice. -func ForSignature(*types.Signature) *TypeParamList { - return nil -} - -// RecvTypeParams returns a nil slice. -func RecvTypeParams(sig *types.Signature) *TypeParamList { - return nil -} - -// IsComparable returns false, as no interfaces are type-restricted at this Go -// version. -func IsComparable(*types.Interface) bool { - return false -} - -// IsMethodSet returns true, as no interfaces are type-restricted at this Go -// version. -func IsMethodSet(*types.Interface) bool { - return true -} - -// IsImplicit returns false, as no interfaces are implicit at this Go version. -func IsImplicit(*types.Interface) bool { - return false -} - -// MarkImplicit does nothing, because this Go version does not have implicit -// interfaces. -func MarkImplicit(*types.Interface) {} - -// ForNamed returns an empty type parameter list, as type parameters are not -// supported at this Go version. -func ForNamed(*types.Named) *TypeParamList { - return nil -} - -// SetForNamed panics if tparams is non-empty. -func SetForNamed(_ *types.Named, tparams []*TypeParam) { - if len(tparams) > 0 { - unsupported() - } -} - -// NamedTypeArgs returns nil. -func NamedTypeArgs(*types.Named) *TypeList { - return nil -} - -// NamedTypeOrigin is the identity method at this Go version. -func NamedTypeOrigin(named *types.Named) *types.Named { - return named -} - -// Term holds information about a structural type restriction. -type Term struct { - tilde bool - typ types.Type -} - -func (m *Term) Tilde() bool { return m.tilde } -func (m *Term) Type() types.Type { return m.typ } -func (m *Term) String() string { - pre := "" - if m.tilde { - pre = "~" - } - return pre + m.typ.String() -} - -// NewTerm is unsupported at this Go version, and panics. -func NewTerm(tilde bool, typ types.Type) *Term { - return &Term{tilde, typ} -} - -// Union is a placeholder type, as type parameters are not supported at this Go -// version. Its methods panic on use. -type Union struct{ types.Type } - -func (*Union) Len() int { return 0 } -func (*Union) Term(i int) *Term { unsupported(); return nil } - -// NewUnion is unsupported at this Go version, and panics. -func NewUnion(terms []*Term) *Union { - unsupported() - return nil -} - -// InitInstanceInfo is a noop at this Go version. -func InitInstanceInfo(*types.Info) {} - -// Instance is a placeholder type, as type parameters are not supported at this -// Go version. -type Instance struct { - TypeArgs *TypeList - Type types.Type -} - -// GetInstances returns a nil map, as type parameters are not supported at this -// Go version. -func GetInstances(info *types.Info) map[*ast.Ident]Instance { return nil } - -// Context is a placeholder type, as type parameters are not supported at -// this Go version. -type Context struct{} - -// NewContext returns a placeholder Context instance. -func NewContext() *Context { - return &Context{} -} - -// Instantiate is unsupported on this Go version, and panics. -func Instantiate(ctxt *Context, typ types.Type, targs []types.Type, validate bool) (types.Type, error) { - unsupported() - return nil, nil -} diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go118.go b/src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go118.go deleted file mode 100644 index cf301af1d..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/typeparams_go118.go +++ /dev/null @@ -1,151 +0,0 @@ -// Copyright 2021 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 go1.18 -// +build go1.18 - -package typeparams - -import ( - "go/ast" - "go/types" -) - -// IndexListExpr is an alias for ast.IndexListExpr. -type IndexListExpr = ast.IndexListExpr - -// ForTypeSpec returns n.TypeParams. -func ForTypeSpec(n *ast.TypeSpec) *ast.FieldList { - if n == nil { - return nil - } - return n.TypeParams -} - -// ForFuncType returns n.TypeParams. -func ForFuncType(n *ast.FuncType) *ast.FieldList { - if n == nil { - return nil - } - return n.TypeParams -} - -// TypeParam is an alias for types.TypeParam -type TypeParam = types.TypeParam - -// TypeParamList is an alias for types.TypeParamList -type TypeParamList = types.TypeParamList - -// TypeList is an alias for types.TypeList -type TypeList = types.TypeList - -// NewTypeParam calls types.NewTypeParam. -func NewTypeParam(name *types.TypeName, constraint types.Type) *TypeParam { - return types.NewTypeParam(name, constraint) -} - -// SetTypeParamConstraint calls tparam.SetConstraint(constraint). -func SetTypeParamConstraint(tparam *TypeParam, constraint types.Type) { - tparam.SetConstraint(constraint) -} - -// NewSignatureType calls types.NewSignatureType. -func NewSignatureType(recv *types.Var, recvTypeParams, typeParams []*TypeParam, params, results *types.Tuple, variadic bool) *types.Signature { - return types.NewSignatureType(recv, recvTypeParams, typeParams, params, results, variadic) -} - -// ForSignature returns sig.TypeParams() -func ForSignature(sig *types.Signature) *TypeParamList { - return sig.TypeParams() -} - -// RecvTypeParams returns sig.RecvTypeParams(). -func RecvTypeParams(sig *types.Signature) *TypeParamList { - return sig.RecvTypeParams() -} - -// IsComparable calls iface.IsComparable(). -func IsComparable(iface *types.Interface) bool { - return iface.IsComparable() -} - -// IsMethodSet calls iface.IsMethodSet(). -func IsMethodSet(iface *types.Interface) bool { - return iface.IsMethodSet() -} - -// IsImplicit calls iface.IsImplicit(). -func IsImplicit(iface *types.Interface) bool { - return iface.IsImplicit() -} - -// MarkImplicit calls iface.MarkImplicit(). -func MarkImplicit(iface *types.Interface) { - iface.MarkImplicit() -} - -// ForNamed extracts the (possibly empty) type parameter object list from -// named. -func ForNamed(named *types.Named) *TypeParamList { - return named.TypeParams() -} - -// SetForNamed sets the type params tparams on n. Each tparam must be of -// dynamic type *types.TypeParam. -func SetForNamed(n *types.Named, tparams []*TypeParam) { - n.SetTypeParams(tparams) -} - -// NamedTypeArgs returns named.TypeArgs(). -func NamedTypeArgs(named *types.Named) *TypeList { - return named.TypeArgs() -} - -// NamedTypeOrigin returns named.Orig(). -func NamedTypeOrigin(named *types.Named) *types.Named { - return named.Origin() -} - -// Term is an alias for types.Term. -type Term = types.Term - -// NewTerm calls types.NewTerm. -func NewTerm(tilde bool, typ types.Type) *Term { - return types.NewTerm(tilde, typ) -} - -// Union is an alias for types.Union -type Union = types.Union - -// NewUnion calls types.NewUnion. -func NewUnion(terms []*Term) *Union { - return types.NewUnion(terms) -} - -// InitInstanceInfo initializes info to record information about type and -// function instances. -func InitInstanceInfo(info *types.Info) { - info.Instances = make(map[*ast.Ident]types.Instance) -} - -// Instance is an alias for types.Instance. -type Instance = types.Instance - -// GetInstances returns info.Instances. -func GetInstances(info *types.Info) map[*ast.Ident]Instance { - return info.Instances -} - -// Context is an alias for types.Context. -type Context = types.Context - -// NewContext calls types.NewContext. -func NewContext() *Context { - return types.NewContext() -} - -// Instantiate calls types.Instantiate. -func Instantiate(ctxt *Context, typ types.Type, targs []types.Type, validate bool) (types.Type, error) { - return types.Instantiate(ctxt, typ, targs, validate) -} diff --git a/src/vendor/golang.org/x/tools/internal/typeparams/typeterm.go b/src/vendor/golang.org/x/tools/internal/typeparams/typeterm.go deleted file mode 100644 index 7350bb702..000000000 --- a/src/vendor/golang.org/x/tools/internal/typeparams/typeterm.go +++ /dev/null @@ -1,169 +0,0 @@ -// Copyright 2021 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. - -// Code generated by copytermlist.go DO NOT EDIT. - -package typeparams - -import "go/types" - -// A term describes elementary type sets: -// -// βˆ…: (*term)(nil) == βˆ… // set of no types (empty set) -// 𝓀: &term{} == 𝓀 // set of all types (𝓀niverse) -// T: &term{false, T} == {T} // set of type T -// ~t: &term{true, t} == {t' | under(t') == t} // set of types with underlying type t -type term struct { - tilde bool // valid if typ != nil - typ types.Type -} - -func (x *term) String() string { - switch { - case x == nil: - return "βˆ…" - case x.typ == nil: - return "𝓀" - case x.tilde: - return "~" + x.typ.String() - default: - return x.typ.String() - } -} - -// equal reports whether x and y represent the same type set. -func (x *term) equal(y *term) bool { - // easy cases - switch { - case x == nil || y == nil: - return x == y - case x.typ == nil || y.typ == nil: - return x.typ == y.typ - } - // βˆ… βŠ‚ x, y βŠ‚ 𝓀 - - return x.tilde == y.tilde && types.Identical(x.typ, y.typ) -} - -// union returns the union x βˆͺ y: zero, one, or two non-nil terms. -func (x *term) union(y *term) (_, _ *term) { - // easy cases - switch { - case x == nil && y == nil: - return nil, nil // βˆ… βˆͺ βˆ… == βˆ… - case x == nil: - return y, nil // βˆ… βˆͺ y == y - case y == nil: - return x, nil // x βˆͺ βˆ… == x - case x.typ == nil: - return x, nil // 𝓀 βˆͺ y == 𝓀 - case y.typ == nil: - return y, nil // x βˆͺ 𝓀 == 𝓀 - } - // βˆ… βŠ‚ x, y βŠ‚ 𝓀 - - if x.disjoint(y) { - return x, y // x βˆͺ y == (x, y) if x ∩ y == βˆ… - } - // x.typ == y.typ - - // ~t βˆͺ ~t == ~t - // ~t βˆͺ T == ~t - // T βˆͺ ~t == ~t - // T βˆͺ T == T - if x.tilde || !y.tilde { - return x, nil - } - return y, nil -} - -// intersect returns the intersection x ∩ y. -func (x *term) intersect(y *term) *term { - // easy cases - switch { - case x == nil || y == nil: - return nil // βˆ… ∩ y == βˆ… and ∩ βˆ… == βˆ… - case x.typ == nil: - return y // 𝓀 ∩ y == y - case y.typ == nil: - return x // x ∩ 𝓀 == x - } - // βˆ… βŠ‚ x, y βŠ‚ 𝓀 - - if x.disjoint(y) { - return nil // x ∩ y == βˆ… if x ∩ y == βˆ… - } - // x.typ == y.typ - - // ~t ∩ ~t == ~t - // ~t ∩ T == T - // T ∩ ~t == T - // T ∩ T == T - if !x.tilde || y.tilde { - return x - } - return y -} - -// includes reports whether t ∈ x. -func (x *term) includes(t types.Type) bool { - // easy cases - switch { - case x == nil: - return false // t ∈ βˆ… == false - case x.typ == nil: - return true // t ∈ 𝓀 == true - } - // βˆ… βŠ‚ x βŠ‚ 𝓀 - - u := t - if x.tilde { - u = under(u) - } - return types.Identical(x.typ, u) -} - -// subsetOf reports whether x βŠ† y. -func (x *term) subsetOf(y *term) bool { - // easy cases - switch { - case x == nil: - return true // βˆ… βŠ† y == true - case y == nil: - return false // x βŠ† βˆ… == false since x != βˆ… - case y.typ == nil: - return true // x βŠ† 𝓀 == true - case x.typ == nil: - return false // 𝓀 βŠ† y == false since y != 𝓀 - } - // βˆ… βŠ‚ x, y βŠ‚ 𝓀 - - if x.disjoint(y) { - return false // x βŠ† y == false if x ∩ y == βˆ… - } - // x.typ == y.typ - - // ~t βŠ† ~t == true - // ~t βŠ† T == false - // T βŠ† ~t == true - // T βŠ† T == true - return !x.tilde || y.tilde -} - -// disjoint reports whether x ∩ y == βˆ…. -// x.typ and y.typ must not be nil. -func (x *term) disjoint(y *term) bool { - if debug && (x.typ == nil || y.typ == nil) { - panic("invalid argument(s)") - } - ux := x.typ - if y.tilde { - ux = under(ux) - } - uy := y.typ - if x.tilde { - uy = under(uy) - } - return !types.Identical(ux, uy) -} diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt index 900af791f..fa221c683 100644 --- a/src/vendor/modules.txt +++ b/src/vendor/modules.txt @@ -49,7 +49,7 @@ github.com/cespare/xxhash # github.com/cespare/xxhash/v2 v2.2.0 ## explicit; go 1.11 github.com/cespare/xxhash/v2 -# github.com/cloudfoundry/gosigar v1.3.38 +# github.com/cloudfoundry/gosigar v1.3.39 ## explicit; go 1.21 github.com/cloudfoundry/gosigar github.com/cloudfoundry/gosigar/sys/windows @@ -111,7 +111,7 @@ github.com/google/go-cmp/cmp/internal/diff github.com/google/go-cmp/cmp/internal/flags github.com/google/go-cmp/cmp/internal/function github.com/google/go-cmp/cmp/internal/value -# github.com/google/pprof v0.0.0-20231205033806-a5a03c77bf08 +# github.com/google/pprof v0.0.0-20231212022811-ec68065c825e ## explicit; go 1.19 github.com/google/pprof/profile # github.com/grpc-ecosystem/grpc-gateway/v2 v2.18.1 @@ -289,10 +289,9 @@ golang.org/x/text/secure/bidirule golang.org/x/text/transform golang.org/x/text/unicode/bidi golang.org/x/text/unicode/norm -# golang.org/x/tools v0.16.0 +# golang.org/x/tools v0.16.1 ## explicit; go 1.18 golang.org/x/tools/go/ast/inspector -golang.org/x/tools/internal/typeparams # google.golang.org/genproto v0.0.0-20231030173426-d783a09b4405 ## explicit; go 1.19 google.golang.org/genproto/internal