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path: root/src/pkg/go/token/position.go
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Diffstat (limited to 'src/pkg/go/token/position.go')
-rw-r--r--src/pkg/go/token/position.go33
1 files changed, 0 insertions, 33 deletions
diff --git a/src/pkg/go/token/position.go b/src/pkg/go/token/position.go
index 23a3cc00f..c559e19f8 100644
--- a/src/pkg/go/token/position.go
+++ b/src/pkg/go/token/position.go
@@ -12,7 +12,6 @@ import (
"sync"
)
-
// Position describes an arbitrary source position
// including the file, line, and column location.
// A Position is valid if the line number is > 0.
@@ -24,11 +23,9 @@ type Position struct {
Column int // column number, starting at 1 (character count)
}
-
// IsValid returns true if the position is valid.
func (pos *Position) IsValid() bool { return pos.Line > 0 }
-
// String returns a string in one of several forms:
//
// file:line:column valid position with file name
@@ -50,7 +47,6 @@ func (pos Position) String() string {
return s
}
-
// Pos is a compact encoding of a source position within a file set.
// It can be converted into a Position for a more convenient, but much
// larger, representation.
@@ -73,7 +69,6 @@ func (pos Position) String() string {
//
type Pos int
-
// The zero value for Pos is NoPos; there is no file and line information
// associated with it, and NoPos().IsValid() is false. NoPos is always
// smaller than any other Pos value. The corresponding Position value
@@ -81,18 +76,15 @@ type Pos int
//
const NoPos Pos = 0
-
// IsValid returns true if the position is valid.
func (p Pos) IsValid() bool {
return p != NoPos
}
-
func searchFiles(a []*File, x int) int {
return sort.Search(len(a), func(i int) bool { return a[i].base > x }) - 1
}
-
func (s *FileSet) file(p Pos) *File {
if f := s.last; f != nil && f.base <= int(p) && int(p) <= f.base+f.size {
return f
@@ -108,7 +100,6 @@ func (s *FileSet) file(p Pos) *File {
return nil
}
-
// File returns the file which contains the position p.
// If no such file is found (for instance for p == NoPos),
// the result is nil.
@@ -122,7 +113,6 @@ func (s *FileSet) File(p Pos) (f *File) {
return
}
-
func (f *File) position(p Pos) (pos Position) {
offset := int(p) - f.base
pos.Offset = offset
@@ -130,7 +120,6 @@ func (f *File) position(p Pos) (pos Position) {
return
}
-
// Position converts a Pos in the fileset into a general Position.
func (s *FileSet) Position(p Pos) (pos Position) {
if p != NoPos {
@@ -147,14 +136,12 @@ func (s *FileSet) Position(p Pos) (pos Position) {
return
}
-
type lineInfo struct {
offset int
filename string
line int
}
-
// AddLineInfo adds alternative file and line number information for
// a given file offset. The offset must be larger than the offset for
// the previously added alternative line info and smaller than the
@@ -171,7 +158,6 @@ func (f *File) AddLineInfo(offset int, filename string, line int) {
f.set.mutex.Unlock()
}
-
// A File is a handle for a file belonging to a FileSet.
// A File has a name, size, and line offset table.
//
@@ -186,25 +172,21 @@ type File struct {
infos []lineInfo
}
-
// Name returns the file name of file f as registered with AddFile.
func (f *File) Name() string {
return f.name
}
-
// Base returns the base offset of file f as registered with AddFile.
func (f *File) Base() int {
return f.base
}
-
// Size returns the size of file f as registered with AddFile.
func (f *File) Size() int {
return f.size
}
-
// LineCount returns the number of lines in file f.
func (f *File) LineCount() int {
f.set.mutex.RLock()
@@ -213,7 +195,6 @@ func (f *File) LineCount() int {
return n
}
-
// AddLine adds the line offset for a new line.
// The line offset must be larger than the offset for the previous line
// and smaller than the file size; otherwise the line offset is ignored.
@@ -226,7 +207,6 @@ func (f *File) AddLine(offset int) {
f.set.mutex.Unlock()
}
-
// SetLines sets the line offsets for a file and returns true if successful.
// The line offsets are the offsets of the first character of each line;
// for instance for the content "ab\nc\n" the line offsets are {0, 3}.
@@ -251,7 +231,6 @@ func (f *File) SetLines(lines []int) bool {
return true
}
-
// SetLinesForContent sets the line offsets for the given file content.
func (f *File) SetLinesForContent(content []byte) {
var lines []int
@@ -272,7 +251,6 @@ func (f *File) SetLinesForContent(content []byte) {
f.set.mutex.Unlock()
}
-
// Pos returns the Pos value for the given file offset;
// the offset must be <= f.Size().
// f.Pos(f.Offset(p)) == p.
@@ -284,7 +262,6 @@ func (f *File) Pos(offset int) Pos {
return Pos(f.base + offset)
}
-
// Offset returns the offset for the given file position p;
// p must be a valid Pos value in that file.
// f.Offset(f.Pos(offset)) == offset.
@@ -296,7 +273,6 @@ func (f *File) Offset(p Pos) int {
return int(p) - f.base
}
-
// Line returns the line number for the given file position p;
// p must be a Pos value in that file or NoPos.
//
@@ -305,7 +281,6 @@ func (f *File) Line(p Pos) int {
return f.Position(p).Line
}
-
// Position returns the Position value for the given file position p;
// p must be a Pos value in that file or NoPos.
//
@@ -319,7 +294,6 @@ func (f *File) Position(p Pos) (pos Position) {
return
}
-
func searchInts(a []int, x int) int {
// This function body is a manually inlined version of:
//
@@ -342,12 +316,10 @@ func searchInts(a []int, x int) int {
return i - 1
}
-
func searchLineInfos(a []lineInfo, x int) int {
return sort.Search(len(a), func(i int) bool { return a[i].offset > x }) - 1
}
-
// info returns the file name, line, and column number for a file offset.
func (f *File) info(offset int) (filename string, line, column int) {
filename = f.name
@@ -367,7 +339,6 @@ func (f *File) info(offset int) (filename string, line, column int) {
return
}
-
// A FileSet represents a set of source files.
// Methods of file sets are synchronized; multiple goroutines
// may invoke them concurrently.
@@ -379,7 +350,6 @@ type FileSet struct {
last *File // cache of last file looked up
}
-
// NewFileSet creates a new file set.
func NewFileSet() *FileSet {
s := new(FileSet)
@@ -387,7 +357,6 @@ func NewFileSet() *FileSet {
return s
}
-
// Base returns the minimum base offset that must be provided to
// AddFile when adding the next file.
//
@@ -399,7 +368,6 @@ func (s *FileSet) Base() int {
}
-
// AddFile adds a new file with a given filename, base offset, and file size
// to the file set s and returns the file. Multiple files may have the same
// name. The base offset must not be smaller than the FileSet's Base(), and
@@ -434,7 +402,6 @@ func (s *FileSet) AddFile(filename string, base, size int) *File {
return f
}
-
// Files returns the files added to the file set.
func (s *FileSet) Files() <-chan *File {
ch := make(chan *File)
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-17 09:45:49 +0000