rebase: update kubernetes to latest

updating the kubernetes release to the
latest in main go.mod

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/github.com/antlr4-go/antlr/v4/input_stream.go

@@ -0,0 +1,157 @@
+// Copyright (c) 2012-2022 The ANTLR Project. All rights reserved.
+// Use of this file is governed by the BSD 3-clause license that
+// can be found in the LICENSE.txt file in the project root.
+
+package antlr
+
+import (
+	"bufio"
+	"io"
+)
+
+type InputStream struct {
+	name  string
+	index int
+	data  []rune
+	size  int
+}
+
+// NewIoStream creates a new input stream from the given io.Reader reader.
+// Note that the reader is read completely into memory and so it must actually
+// have a stopping point - you cannot pass in a reader on an open-ended source such
+// as a socket for instance.
+func NewIoStream(reader io.Reader) *InputStream {
+
+	rReader := bufio.NewReader(reader)
+
+	is := &InputStream{
+		name:  "<empty>",
+		index: 0,
+	}
+
+	// Pre-build the buffer and read runes reasonably efficiently given that
+	// we don't exactly know how big the input is.
+	//
+	is.data = make([]rune, 0, 512)
+	for {
+		r, _, err := rReader.ReadRune()
+		if err != nil {
+			break
+		}
+		is.data = append(is.data, r)
+	}
+	is.size = len(is.data) // number of runes
+	return is
+}
+
+// NewInputStream creates a new input stream from the given string
+func NewInputStream(data string) *InputStream {
+
+	is := &InputStream{
+		name:  "<empty>",
+		index: 0,
+		data:  []rune(data), // This is actually the most efficient way
+	}
+	is.size = len(is.data) // number of runes, but we could also use len(data), which is efficient too
+	return is
+}
+
+func (is *InputStream) reset() {
+	is.index = 0
+}
+
+// Consume moves the input pointer to the next character in the input stream
+func (is *InputStream) Consume() {
+	if is.index >= is.size {
+		// assert is.LA(1) == TokenEOF
+		panic("cannot consume EOF")
+	}
+	is.index++
+}
+
+// LA returns the character at the given offset from the start of the input stream
+func (is *InputStream) LA(offset int) int {
+
+	if offset == 0 {
+		return 0 // nil
+	}
+	if offset < 0 {
+		offset++ // e.g., translate LA(-1) to use offset=0
+	}
+	pos := is.index + offset - 1
+
+	if pos < 0 || pos >= is.size { // invalid
+		return TokenEOF
+	}
+
+	return int(is.data[pos])
+}
+
+// LT returns the character at the given offset from the start of the input stream
+func (is *InputStream) LT(offset int) int {
+	return is.LA(offset)
+}
+
+// Index returns the current offset in to the input stream
+func (is *InputStream) Index() int {
+	return is.index
+}
+
+// Size returns the total number of characters in the input stream
+func (is *InputStream) Size() int {
+	return is.size
+}
+
+// Mark does nothing here as we have entire buffer
+func (is *InputStream) Mark() int {
+	return -1
+}
+
+// Release does nothing here as we have entire buffer
+func (is *InputStream) Release(_ int) {
+}
+
+// Seek the input point to the provided index offset
+func (is *InputStream) Seek(index int) {
+	if index <= is.index {
+		is.index = index // just jump don't update stream state (line,...)
+		return
+	}
+	// seek forward
+	is.index = intMin(index, is.size)
+}
+
+// GetText returns the text from the input stream from the start to the stop index
+func (is *InputStream) GetText(start int, stop int) string {
+	if stop >= is.size {
+		stop = is.size - 1
+	}
+	if start >= is.size {
+		return ""
+	}
+
+	return string(is.data[start : stop+1])
+}
+
+// GetTextFromTokens returns the text from the input stream from the first character of the start token to the last
+// character of the stop token
+func (is *InputStream) GetTextFromTokens(start, stop Token) string {
+	if start != nil && stop != nil {
+		return is.GetTextFromInterval(NewInterval(start.GetTokenIndex(), stop.GetTokenIndex()))
+	}
+
+	return ""
+}
+
+func (is *InputStream) GetTextFromInterval(i Interval) string {
+	return is.GetText(i.Start, i.Stop)
+}
+
+func (*InputStream) GetSourceName() string {
+	return ""
+}
+
+// String returns the entire input stream as a string
+func (is *InputStream) String() string {
+	return string(is.data)
+}