1 files changed, 0 insertions, 151 deletions
diff --git a/internal/lsp/protocol/span.go b/internal/lsp/protocol/span.go
deleted file mode 100644
index 381e5f500..000000000
--- a/internal/lsp/protocol/span.go
+++ /dev/null
@@ -1,151 +0,0 @@
-// Copyright 2018 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.
-
-// this file contains protocol<->span converters
-
-package protocol
-
-import (
-	"fmt"
-
-	"golang.org/x/tools/internal/span"
-	errors "golang.org/x/xerrors"
-)
-
-type ColumnMapper struct {
-	URI       span.URI
-	Converter *span.TokenConverter
-	Content   []byte
-}
-
-func URIFromSpanURI(uri span.URI) DocumentURI {
-	return DocumentURI(uri)
-}
-
-func URIFromPath(path string) DocumentURI {
-	return URIFromSpanURI(span.URIFromPath(path))
-}
-
-func (u DocumentURI) SpanURI() span.URI {
-	return span.URIFromURI(string(u))
-}
-
-func (m *ColumnMapper) Location(s span.Span) (Location, error) {
-	rng, err := m.Range(s)
-	if err != nil {
-		return Location{}, err
-	}
-	return Location{URI: URIFromSpanURI(s.URI()), Range: rng}, nil
-}
-
-func (m *ColumnMapper) Range(s span.Span) (Range, error) {
-	if span.CompareURI(m.URI, s.URI()) != 0 {
-		return Range{}, errors.Errorf("column mapper is for file %q instead of %q", m.URI, s.URI())
-	}
-	s, err := s.WithAll(m.Converter)
-	if err != nil {
-		return Range{}, err
-	}
-	start, err := m.Position(s.Start())
-	if err != nil {
-		return Range{}, err
-	}
-	end, err := m.Position(s.End())
-	if err != nil {
-		return Range{}, err
-	}
-	return Range{Start: start, End: end}, nil
-}
-
-func (m *ColumnMapper) Position(p span.Point) (Position, error) {
-	chr, err := span.ToUTF16Column(p, m.Content)
-	if err != nil {
-		return Position{}, err
-	}
-	return Position{
-		Line:      uint32(p.Line() - 1),
-		Character: uint32(chr - 1),
-	}, nil
-}
-
-func (m *ColumnMapper) Span(l Location) (span.Span, error) {
-	return m.RangeSpan(l.Range)
-}
-
-func (m *ColumnMapper) RangeSpan(r Range) (span.Span, error) {
-	start, err := m.Point(r.Start)
-	if err != nil {
-		return span.Span{}, err
-	}
-	end, err := m.Point(r.End)
-	if err != nil {
-		return span.Span{}, err
-	}
-	return span.New(m.URI, start, end).WithAll(m.Converter)
-}
-
-func (m *ColumnMapper) RangeToSpanRange(r Range) (span.Range, error) {
-	spn, err := m.RangeSpan(r)
-	if err != nil {
-		return span.Range{}, err
-	}
-	return spn.Range(m.Converter)
-}
-
-func (m *ColumnMapper) PointSpan(p Position) (span.Span, error) {
-	start, err := m.Point(p)
-	if err != nil {
-		return span.Span{}, err
-	}
-	return span.New(m.URI, start, start).WithAll(m.Converter)
-}
-
-func (m *ColumnMapper) Point(p Position) (span.Point, error) {
-	line := int(p.Line) + 1
-	offset, err := m.Converter.ToOffset(line, 1)
-	if err != nil {
-		return span.Point{}, err
-	}
-	lineStart := span.NewPoint(line, 1, offset)
-	return span.FromUTF16Column(lineStart, int(p.Character)+1, m.Content)
-}
-
-func IsPoint(r Range) bool {
-	return r.Start.Line == r.End.Line && r.Start.Character == r.End.Character
-}
-
-func CompareRange(a, b Range) int {
-	if r := ComparePosition(a.Start, b.Start); r != 0 {
-		return r
-	}
-	return ComparePosition(a.End, b.End)
-}
-
-func ComparePosition(a, b Position) int {
-	if a.Line < b.Line {
-		return -1
-	}
-	if a.Line > b.Line {
-		return 1
-	}
-	if a.Character < b.Character {
-		return -1
-	}
-	if a.Character > b.Character {
-		return 1
-	}
-	return 0
-}
-
-func Intersect(a, b Range) bool {
-	if a.Start.Line > b.End.Line || a.End.Line < b.Start.Line {
-		return false
-	}
-	return !((a.Start.Line == b.End.Line) && a.Start.Character > b.End.Character ||
-		(a.End.Line == b.Start.Line) && a.End.Character < b.Start.Character)
-}
-
-func (r Range) Format(f fmt.State, _ rune) {
-	fmt.Fprintf(f, "%v:%v-%v:%v", r.Start.Line, r.Start.Character, r.End.Line, r.End.Character)
-}