From b95498b8c206295b55767fa2d4855bee16233734 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Tue, 14 Jan 2025 13:11:20 +0000 Subject: [chore]: Bump mvdan.cc/xurls/v2 from 2.5.0 to 2.6.0 (#3643) Bumps [mvdan.cc/xurls/v2](https://github.com/mvdan/xurls) from 2.5.0 to 2.6.0. - [Release notes](https://github.com/mvdan/xurls/releases) - [Commits](https://github.com/mvdan/xurls/compare/v2.5.0...v2.6.0) --- updated-dependencies: - dependency-name: mvdan.cc/xurls/v2 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- .../x/tools/internal/modindex/directories.go | 135 +++++++++++ .../golang.org/x/tools/internal/modindex/index.go | 262 +++++++++++++++++++++ .../golang.org/x/tools/internal/modindex/lookup.go | 145 ++++++++++++ .../x/tools/internal/modindex/modindex.go | 164 +++++++++++++ .../x/tools/internal/modindex/symbols.go | 189 +++++++++++++++ .../golang.org/x/tools/internal/modindex/types.go | 25 ++ 6 files changed, 920 insertions(+) create mode 100644 vendor/golang.org/x/tools/internal/modindex/directories.go create mode 100644 vendor/golang.org/x/tools/internal/modindex/index.go create mode 100644 vendor/golang.org/x/tools/internal/modindex/lookup.go create mode 100644 vendor/golang.org/x/tools/internal/modindex/modindex.go create mode 100644 vendor/golang.org/x/tools/internal/modindex/symbols.go create mode 100644 vendor/golang.org/x/tools/internal/modindex/types.go (limited to 'vendor/golang.org/x/tools/internal/modindex') diff --git a/vendor/golang.org/x/tools/internal/modindex/directories.go b/vendor/golang.org/x/tools/internal/modindex/directories.go new file mode 100644 index 000000000..1e1a02f23 --- /dev/null +++ b/vendor/golang.org/x/tools/internal/modindex/directories.go @@ -0,0 +1,135 @@ +// 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 modindex + +import ( + "fmt" + "log" + "os" + "path/filepath" + "regexp" + "slices" + "strings" + "sync" + "time" + + "golang.org/x/mod/semver" + "golang.org/x/tools/internal/gopathwalk" +) + +type directory struct { + path Relpath + importPath string + version string // semantic version + syms []symbol +} + +// filterDirs groups the directories by import path, +// sorting the ones with the same import path by semantic version, +// most recent first. +func byImportPath(dirs []Relpath) (map[string][]*directory, error) { + ans := make(map[string][]*directory) // key is import path + for _, d := range dirs { + ip, sv, err := DirToImportPathVersion(d) + if err != nil { + return nil, err + } + ans[ip] = append(ans[ip], &directory{ + path: d, + importPath: ip, + version: sv, + }) + } + for k, v := range ans { + semanticSort(v) + ans[k] = v + } + return ans, nil +} + +// sort the directories by semantic version, latest first +func semanticSort(v []*directory) { + slices.SortFunc(v, func(l, r *directory) int { + if n := semver.Compare(l.version, r.version); n != 0 { + return -n // latest first + } + return strings.Compare(string(l.path), string(r.path)) + }) +} + +// modCacheRegexp splits a relpathpath into module, module version, and package. +var modCacheRegexp = regexp.MustCompile(`(.*)@([^/\\]*)(.*)`) + +// DirToImportPathVersion computes import path and semantic version +func DirToImportPathVersion(dir Relpath) (string, string, error) { + m := modCacheRegexp.FindStringSubmatch(string(dir)) + // m[1] is the module path + // m[2] is the version major.minor.patch(-
= 4 {
+					sig := strings.Split(flds[3], " ")
+					for i := 0; i < len(sig); i++ {
+						// $ cannot otherwise occur. removing the spaces
+						// almost works, but for chan struct{}, e.g.
+						sig[i] = strings.Replace(sig[i], "$", " ", -1)
+					}
+					px.Sig = toFields(sig)
+				}
+			}
+			ans = append(ans, px)
+		}
+	}
+	return ans
+}
+
+func toFields(sig []string) []Field {
+	ans := make([]Field, len(sig)/2)
+	for i := 0; i < len(ans); i++ {
+		ans[i] = Field{Arg: sig[2*i], Type: sig[2*i+1]}
+	}
+	return ans
+}
+
+// benchmarks show this is measurably better than strings.Split
+func fastSplit(x string) []string {
+	ans := make([]string, 0, 4)
+	nxt := 0
+	start := 0
+	for i := 0; i < len(x); i++ {
+		if x[i] != ' ' {
+			continue
+		}
+		ans = append(ans, x[start:i])
+		nxt++
+		start = i + 1
+		if nxt >= 3 {
+			break
+		}
+	}
+	ans = append(ans, x[start:])
+	return ans
+}
+
+func asLexType(c byte) LexType {
+	switch c {
+	case 'C':
+		return Const
+	case 'V':
+		return Var
+	case 'T':
+		return Type
+	case 'F':
+		return Func
+	}
+	return -1
+}
diff --git a/vendor/golang.org/x/tools/internal/modindex/modindex.go b/vendor/golang.org/x/tools/internal/modindex/modindex.go
new file mode 100644
index 000000000..355a53e71
--- /dev/null
+++ b/vendor/golang.org/x/tools/internal/modindex/modindex.go
@@ -0,0 +1,164 @@
+// 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 modindex contains code for building and searching an index to
+// the Go module cache. The directory containing the index, returned by
+// IndexDir(), contains a file index-name- that contains the name
+// of the current index. We believe writing that short file is atomic.
+// ReadIndex reads that file to get the file name of the index.
+// WriteIndex writes an index with a unique name and then
+// writes that name into a new version of index-name-.
+// ( stands for the CurrentVersion of the index format.)
+package modindex
+
+import (
+	"path/filepath"
+	"slices"
+	"strings"
+	"time"
+
+	"golang.org/x/mod/semver"
+)
+
+// Create always creates a new index for the go module cache that is in cachedir.
+func Create(cachedir string) error {
+	_, err := indexModCache(cachedir, true)
+	return err
+}
+
+// Update the index for the go module cache that is in cachedir,
+// If there is no existing index it will build one.
+// If there are changed directories since the last index, it will
+// write a new one and return true. Otherwise it returns false.
+func Update(cachedir string) (bool, error) {
+	return indexModCache(cachedir, false)
+}
+
+// indexModCache writes an index current as of when it is called.
+// If clear is true the index is constructed from all of GOMODCACHE
+// otherwise the index is constructed from the last previous index
+// and the updates to the cache. It returns true if it wrote an index,
+// false otherwise.
+func indexModCache(cachedir string, clear bool) (bool, error) {
+	cachedir, err := filepath.Abs(cachedir)
+	if err != nil {
+		return false, err
+	}
+	cd := Abspath(cachedir)
+	future := time.Now().Add(24 * time.Hour) // safely in the future
+	ok, err := modindexTimed(future, cd, clear)
+	if err != nil {
+		return false, err
+	}
+	return ok, nil
+}
+
+// modindexTimed writes an index current as of onlyBefore.
+// If clear is true the index is constructed from all of GOMODCACHE
+// otherwise the index is constructed from the last previous index
+// and all the updates to the cache before onlyBefore.
+// It returns true if it wrote a new index, false if it wrote nothing.
+func modindexTimed(onlyBefore time.Time, cachedir Abspath, clear bool) (bool, error) {
+	var curIndex *Index
+	if !clear {
+		var err error
+		curIndex, err = ReadIndex(string(cachedir))
+		if clear && err != nil {
+			return false, err
+		}
+		// TODO(pjw): check that most of those directories still exist
+	}
+	cfg := &work{
+		onlyBefore: onlyBefore,
+		oldIndex:   curIndex,
+		cacheDir:   cachedir,
+	}
+	if curIndex != nil {
+		cfg.onlyAfter = curIndex.Changed
+	}
+	if err := cfg.buildIndex(); err != nil {
+		return false, err
+	}
+	if len(cfg.newIndex.Entries) == 0 && curIndex != nil {
+		// no changes from existing curIndex, don't write a new index
+		return false, nil
+	}
+	if err := cfg.writeIndex(); err != nil {
+		return false, err
+	}
+	return true, nil
+}
+
+type work struct {
+	onlyBefore time.Time // do not use directories later than this
+	onlyAfter  time.Time // only interested in directories after this
+	// directories from before onlyAfter come from oldIndex
+	oldIndex *Index
+	newIndex *Index
+	cacheDir Abspath
+}
+
+func (w *work) buildIndex() error {
+	// The effective date of the new index should be at least
+	// slightly earlier than when the directories are scanned
+	// so set it now.
+	w.newIndex = &Index{Changed: time.Now(), Cachedir: w.cacheDir}
+	dirs := findDirs(string(w.cacheDir), w.onlyAfter, w.onlyBefore)
+	if len(dirs) == 0 {
+		return nil
+	}
+	newdirs, err := byImportPath(dirs)
+	if err != nil {
+		return err
+	}
+	// for each import path it might occur only in newdirs,
+	// only in w.oldIndex, or in both.
+	// If it occurs in both, use the semantically later one
+	if w.oldIndex != nil {
+		for _, e := range w.oldIndex.Entries {
+			found, ok := newdirs[e.ImportPath]
+			if !ok {
+				w.newIndex.Entries = append(w.newIndex.Entries, e)
+				continue // use this one, there is no new one
+			}
+			if semver.Compare(found[0].version, e.Version) > 0 {
+				// use the new one
+			} else {
+				// use the old one, forget the new one
+				w.newIndex.Entries = append(w.newIndex.Entries, e)
+				delete(newdirs, e.ImportPath)
+			}
+		}
+	}
+	// get symbol information for all the new diredtories
+	getSymbols(w.cacheDir, newdirs)
+	// assemble the new index entries
+	for k, v := range newdirs {
+		d := v[0]
+		pkg, names := processSyms(d.syms)
+		if pkg == "" {
+			continue // PJW: does this ever happen?
+		}
+		entry := Entry{
+			PkgName:    pkg,
+			Dir:        d.path,
+			ImportPath: k,
+			Version:    d.version,
+			Names:      names,
+		}
+		w.newIndex.Entries = append(w.newIndex.Entries, entry)
+	}
+	// sort the entries in the new index
+	slices.SortFunc(w.newIndex.Entries, func(l, r Entry) int {
+		if n := strings.Compare(l.PkgName, r.PkgName); n != 0 {
+			return n
+		}
+		return strings.Compare(l.ImportPath, r.ImportPath)
+	})
+	return nil
+}
+
+func (w *work) writeIndex() error {
+	return writeIndex(w.cacheDir, w.newIndex)
+}
diff --git a/vendor/golang.org/x/tools/internal/modindex/symbols.go b/vendor/golang.org/x/tools/internal/modindex/symbols.go
new file mode 100644
index 000000000..2e285ed99
--- /dev/null
+++ b/vendor/golang.org/x/tools/internal/modindex/symbols.go
@@ -0,0 +1,189 @@
+// 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 modindex
+
+import (
+	"fmt"
+	"go/ast"
+	"go/parser"
+	"go/token"
+	"go/types"
+	"os"
+	"path/filepath"
+	"slices"
+	"strings"
+
+	"golang.org/x/sync/errgroup"
+)
+
+// The name of a symbol contains information about the symbol:
+//  T for types
+//  C for consts
+//  V for vars
+// and for funcs:  F  ( )*
+// any spaces in  are replaced by $s so that the fields
+// of the name are space separated
+type symbol struct {
+	pkg  string // name of the symbols's package
+	name string // declared name
+	kind string // T, C, V, or F
+	sig  string // signature information, for F
+}
+
+// find the symbols for the best directories
+func getSymbols(cd Abspath, dirs map[string][]*directory) {
+	var g errgroup.Group
+	g.SetLimit(-1) // maybe throttle this some day
+	for _, vv := range dirs {
+		// throttling some day?
+		d := vv[0]
+		g.Go(func() error {
+			thedir := filepath.Join(string(cd), string(d.path))
+			mode := parser.SkipObjectResolution
+
+			fi, err := os.ReadDir(thedir)
+			if err != nil {
+				return nil // log this someday?
+			}
+			for _, fx := range fi {
+				if !strings.HasSuffix(fx.Name(), ".go") || strings.HasSuffix(fx.Name(), "_test.go") {
+					continue
+				}
+				fname := filepath.Join(thedir, fx.Name())
+				tr, err := parser.ParseFile(token.NewFileSet(), fname, nil, mode)
+				if err != nil {
+					continue // ignore errors, someday log them?
+				}
+				d.syms = append(d.syms, getFileExports(tr)...)
+			}
+			return nil
+		})
+	}
+	g.Wait()
+}
+
+func getFileExports(f *ast.File) []symbol {
+	pkg := f.Name.Name
+	if pkg == "main" {
+		return nil
+	}
+	var ans []symbol
+	// should we look for //go:build ignore?
+	for _, decl := range f.Decls {
+		switch decl := decl.(type) {
+		case *ast.FuncDecl:
+			if decl.Recv != nil {
+				// ignore methods, as we are completing package selections
+				continue
+			}
+			name := decl.Name.Name
+			dtype := decl.Type
+			// not looking at dtype.TypeParams. That is, treating
+			// generic functions just like non-generic ones.
+			sig := dtype.Params
+			kind := "F"
+			result := []string{fmt.Sprintf("%d", dtype.Results.NumFields())}
+			for _, x := range sig.List {
+				// This code creates a string representing the type.
+				// TODO(pjw): it may be fragile:
+				// 1. x.Type could be nil, perhaps in ill-formed code
+				// 2. ExprString might someday change incompatibly to
+				//    include struct tags, which can be arbitrary strings
+				if x.Type == nil {
+					// Can this happen without a parse error? (Files with parse
+					// errors are ignored in getSymbols)
+					continue // maybe report this someday
+				}
+				tp := types.ExprString(x.Type)
+				if len(tp) == 0 {
+					// Can this happen?
+					continue // maybe report this someday
+				}
+				// This is only safe if ExprString never returns anything with a $
+				// The only place a $ can occur seems to be in a struct tag, which
+				// can be an arbitrary string literal, and ExprString does not presently
+				// print struct tags. So for this to happen the type of a formal parameter
+				// has to be a explict struct, e.g. foo(x struct{a int "$"}) and ExprString
+				// would have to show the struct tag. Even testing for this case seems
+				// a waste of effort, but let's not ignore such pathologies
+				if strings.Contains(tp, "$") {
+					continue
+				}
+				tp = strings.Replace(tp, " ", "$", -1)
+				if len(x.Names) == 0 {
+					result = append(result, "_")
+					result = append(result, tp)
+				} else {
+					for _, y := range x.Names {
+						result = append(result, y.Name)
+						result = append(result, tp)
+					}
+				}
+			}
+			sigs := strings.Join(result, " ")
+			if s := newsym(pkg, name, kind, sigs); s != nil {
+				ans = append(ans, *s)
+			}
+		case *ast.GenDecl:
+			switch decl.Tok {
+			case token.CONST, token.VAR:
+				tp := "V"
+				if decl.Tok == token.CONST {
+					tp = "C"
+				}
+				for _, sp := range decl.Specs {
+					for _, x := range sp.(*ast.ValueSpec).Names {
+						if s := newsym(pkg, x.Name, tp, ""); s != nil {
+							ans = append(ans, *s)
+						}
+					}
+				}
+			case token.TYPE:
+				for _, sp := range decl.Specs {
+					if s := newsym(pkg, sp.(*ast.TypeSpec).Name.Name, "T", ""); s != nil {
+						ans = append(ans, *s)
+					}
+				}
+			}
+		}
+	}
+	return ans
+}
+
+func newsym(pkg, name, kind, sig string) *symbol {
+	if len(name) == 0 || !ast.IsExported(name) {
+		return nil
+	}
+	sym := symbol{pkg: pkg, name: name, kind: kind, sig: sig}
+	return &sym
+}
+
+// return the package name and the value for the symbols.
+// if there are multiple packages, choose one arbitrarily
+// the returned slice is sorted lexicographically
+func processSyms(syms []symbol) (string, []string) {
+	if len(syms) == 0 {
+		return "", nil
+	}
+	slices.SortFunc(syms, func(l, r symbol) int {
+		return strings.Compare(l.name, r.name)
+	})
+	pkg := syms[0].pkg
+	var names []string
+	for _, s := range syms {
+		var nx string
+		if s.pkg == pkg {
+			if s.sig != "" {
+				nx = fmt.Sprintf("%s %s %s", s.name, s.kind, s.sig)
+			} else {
+				nx = fmt.Sprintf("%s %s", s.name, s.kind)
+			}
+			names = append(names, nx)
+		} else {
+			continue // PJW: do we want to keep track of these?
+		}
+	}
+	return pkg, names
+}
diff --git a/vendor/golang.org/x/tools/internal/modindex/types.go b/vendor/golang.org/x/tools/internal/modindex/types.go
new file mode 100644
index 000000000..ece448863
--- /dev/null
+++ b/vendor/golang.org/x/tools/internal/modindex/types.go
@@ -0,0 +1,25 @@
+// 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 modindex
+
+import (
+	"strings"
+)
+
+// some special types to avoid confusions
+
+// distinguish various types of directory names. It's easy to get confused.
+type Abspath string // absolute paths
+type Relpath string // paths with GOMODCACHE prefix removed
+
+func toRelpath(cachedir Abspath, s string) Relpath {
+	if strings.HasPrefix(s, string(cachedir)) {
+		if s == string(cachedir) {
+			return Relpath("")
+		}
+		return Relpath(s[len(cachedir)+1:])
+	}
+	return Relpath(s)
+}
-- 
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