1 files changed, 0 insertions, 289 deletions
diff --git a/vendor/golang.org/x/tools/imports/imports.go b/vendor/golang.org/x/tools/imports/imports.go
deleted file mode 100644
index 67573f497..000000000
--- a/vendor/golang.org/x/tools/imports/imports.go
+++ /dev/null
@@ -1,289 +0,0 @@
-// Copyright 2013 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:generate go run mkstdlib.go
-
-// Package imports implements a Go pretty-printer (like package "go/format")
-// that also adds or removes import statements as necessary.
-package imports // import "golang.org/x/tools/imports"
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"go/ast"
-	"go/format"
-	"go/parser"
-	"go/printer"
-	"go/token"
-	"io"
-	"regexp"
-	"strconv"
-	"strings"
-
-	"golang.org/x/tools/go/ast/astutil"
-)
-
-// Options specifies options for processing files.
-type Options struct {
-	Fragment  bool // Accept fragment of a source file (no package statement)
-	AllErrors bool // Report all errors (not just the first 10 on different lines)
-
-	Comments  bool // Print comments (true if nil *Options provided)
-	TabIndent bool // Use tabs for indent (true if nil *Options provided)
-	TabWidth  int  // Tab width (8 if nil *Options provided)
-
-	FormatOnly bool // Disable the insertion and deletion of imports
-}
-
-// Process formats and adjusts imports for the provided file.
-// If opt is nil the defaults are used.
-//
-// Note that filename's directory influences which imports can be chosen,
-// so it is important that filename be accurate.
-// To process data ``as if'' it were in filename, pass the data as a non-nil src.
-func Process(filename string, src []byte, opt *Options) ([]byte, error) {
-	if opt == nil {
-		opt = &Options{Comments: true, TabIndent: true, TabWidth: 8}
-	}
-
-	fileSet := token.NewFileSet()
-	file, adjust, err := parse(fileSet, filename, src, opt)
-	if err != nil {
-		return nil, err
-	}
-
-	if !opt.FormatOnly {
-		_, err = fixImports(fileSet, file, filename)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	sortImports(fileSet, file)
-	imps := astutil.Imports(fileSet, file)
-
-	var spacesBefore []string // import paths we need spaces before
-	for _, impSection := range imps {
-		// Within each block of contiguous imports, see if any
-		// import lines are in different group numbers. If so,
-		// we'll need to put a space between them so it's
-		// compatible with gofmt.
-		lastGroup := -1
-		for _, importSpec := range impSection {
-			importPath, _ := strconv.Unquote(importSpec.Path.Value)
-			groupNum := importGroup(importPath)
-			if groupNum != lastGroup && lastGroup != -1 {
-				spacesBefore = append(spacesBefore, importPath)
-			}
-			lastGroup = groupNum
-		}
-
-	}
-
-	printerMode := printer.UseSpaces
-	if opt.TabIndent {
-		printerMode |= printer.TabIndent
-	}
-	printConfig := &printer.Config{Mode: printerMode, Tabwidth: opt.TabWidth}
-
-	var buf bytes.Buffer
-	err = printConfig.Fprint(&buf, fileSet, file)
-	if err != nil {
-		return nil, err
-	}
-	out := buf.Bytes()
-	if adjust != nil {
-		out = adjust(src, out)
-	}
-	if len(spacesBefore) > 0 {
-		out = addImportSpaces(bytes.NewReader(out), spacesBefore)
-	}
-
-	out, err = format.Source(out)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// parse parses src, which was read from filename,
-// as a Go source file or statement list.
-func parse(fset *token.FileSet, filename string, src []byte, opt *Options) (*ast.File, func(orig, src []byte) []byte, error) {
-	parserMode := parser.Mode(0)
-	if opt.Comments {
-		parserMode |= parser.ParseComments
-	}
-	if opt.AllErrors {
-		parserMode |= parser.AllErrors
-	}
-
-	// Try as whole source file.
-	file, err := parser.ParseFile(fset, filename, src, parserMode)
-	if err == nil {
-		return file, nil, nil
-	}
-	// If the error is that the source file didn't begin with a
-	// package line and we accept fragmented input, fall through to
-	// try as a source fragment.  Stop and return on any other error.
-	if !opt.Fragment || !strings.Contains(err.Error(), "expected 'package'") {
-		return nil, nil, err
-	}
-
-	// If this is a declaration list, make it a source file
-	// by inserting a package clause.
-	// Insert using a ;, not a newline, so that the line numbers
-	// in psrc match the ones in src.
-	psrc := append([]byte("package main;"), src...)
-	file, err = parser.ParseFile(fset, filename, psrc, parserMode)
-	if err == nil {
-		// If a main function exists, we will assume this is a main
-		// package and leave the file.
-		if containsMainFunc(file) {
-			return file, nil, nil
-		}
-
-		adjust := func(orig, src []byte) []byte {
-			// Remove the package clause.
-			// Gofmt has turned the ; into a \n.
-			src = src[len("package main\n"):]
-			return matchSpace(orig, src)
-		}
-		return file, adjust, nil
-	}
-	// If the error is that the source file didn't begin with a
-	// declaration, fall through to try as a statement list.
-	// Stop and return on any other error.
-	if !strings.Contains(err.Error(), "expected declaration") {
-		return nil, nil, err
-	}
-
-	// If this is a statement list, make it a source file
-	// by inserting a package clause and turning the list
-	// into a function body.  This handles expressions too.
-	// Insert using a ;, not a newline, so that the line numbers
-	// in fsrc match the ones in src.
-	fsrc := append(append([]byte("package p; func _() {"), src...), '}')
-	file, err = parser.ParseFile(fset, filename, fsrc, parserMode)
-	if err == nil {
-		adjust := func(orig, src []byte) []byte {
-			// Remove the wrapping.
-			// Gofmt has turned the ; into a \n\n.
-			src = src[len("package p\n\nfunc _() {"):]
-			src = src[:len(src)-len("}\n")]
-			// Gofmt has also indented the function body one level.
-			// Remove that indent.
-			src = bytes.Replace(src, []byte("\n\t"), []byte("\n"), -1)
-			return matchSpace(orig, src)
-		}
-		return file, adjust, nil
-	}
-
-	// Failed, and out of options.
-	return nil, nil, err
-}
-
-// containsMainFunc checks if a file contains a function declaration with the
-// function signature 'func main()'
-func containsMainFunc(file *ast.File) bool {
-	for _, decl := range file.Decls {
-		if f, ok := decl.(*ast.FuncDecl); ok {
-			if f.Name.Name != "main" {
-				continue
-			}
-
-			if len(f.Type.Params.List) != 0 {
-				continue
-			}
-
-			if f.Type.Results != nil && len(f.Type.Results.List) != 0 {
-				continue
-			}
-
-			return true
-		}
-	}
-
-	return false
-}
-
-func cutSpace(b []byte) (before, middle, after []byte) {
-	i := 0
-	for i < len(b) && (b[i] == ' ' || b[i] == '\t' || b[i] == '\n') {
-		i++
-	}
-	j := len(b)
-	for j > 0 && (b[j-1] == ' ' || b[j-1] == '\t' || b[j-1] == '\n') {
-		j--
-	}
-	if i <= j {
-		return b[:i], b[i:j], b[j:]
-	}
-	return nil, nil, b[j:]
-}
-
-// matchSpace reformats src to use the same space context as orig.
-// 1) If orig begins with blank lines, matchSpace inserts them at the beginning of src.
-// 2) matchSpace copies the indentation of the first non-blank line in orig
-//    to every non-blank line in src.
-// 3) matchSpace copies the trailing space from orig and uses it in place
-//   of src's trailing space.
-func matchSpace(orig []byte, src []byte) []byte {
-	before, _, after := cutSpace(orig)
-	i := bytes.LastIndex(before, []byte{'\n'})
-	before, indent := before[:i+1], before[i+1:]
-
-	_, src, _ = cutSpace(src)
-
-	var b bytes.Buffer
-	b.Write(before)
-	for len(src) > 0 {
-		line := src
-		if i := bytes.IndexByte(line, '\n'); i >= 0 {
-			line, src = line[:i+1], line[i+1:]
-		} else {
-			src = nil
-		}
-		if len(line) > 0 && line[0] != '\n' { // not blank
-			b.Write(indent)
-		}
-		b.Write(line)
-	}
-	b.Write(after)
-	return b.Bytes()
-}
-
-var impLine = regexp.MustCompile(`^\s+(?:[\w\.]+\s+)?"(.+)"`)
-
-func addImportSpaces(r io.Reader, breaks []string) []byte {
-	var out bytes.Buffer
-	sc := bufio.NewScanner(r)
-	inImports := false
-	done := false
-	for sc.Scan() {
-		s := sc.Text()
-
-		if !inImports && !done && strings.HasPrefix(s, "import") {
-			inImports = true
-		}
-		if inImports && (strings.HasPrefix(s, "var") ||
-			strings.HasPrefix(s, "func") ||
-			strings.HasPrefix(s, "const") ||
-			strings.HasPrefix(s, "type")) {
-			done = true
-			inImports = false
-		}
-		if inImports && len(breaks) > 0 {
-			if m := impLine.FindStringSubmatch(s); m != nil {
-				if m[1] == breaks[0] {
-					out.WriteByte('\n')
-					breaks = breaks[1:]
-				}
-			}
-		}
-
-		fmt.Fprintln(&out, s)
-	}
-	return out.Bytes()
-}