[VOL-4291] Rw-core updates for gRPC migration
Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/google.golang.org/protobuf/reflect/protoreflect/source.go b/vendor/google.golang.org/protobuf/reflect/protoreflect/source.go
new file mode 100644
index 0000000..121ba3a
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/reflect/protoreflect/source.go
@@ -0,0 +1,128 @@
+// Copyright 2019 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 protoreflect
+
+import (
+ "strconv"
+)
+
+// SourceLocations is a list of source locations.
+type SourceLocations interface {
+ // Len reports the number of source locations in the proto file.
+ Len() int
+ // Get returns the ith SourceLocation. It panics if out of bounds.
+ Get(int) SourceLocation
+
+ // ByPath returns the SourceLocation for the given path,
+ // returning the first location if multiple exist for the same path.
+ // If multiple locations exist for the same path,
+ // then SourceLocation.Next index can be used to identify the
+ // index of the next SourceLocation.
+ // If no location exists for this path, it returns the zero value.
+ ByPath(path SourcePath) SourceLocation
+
+ // ByDescriptor returns the SourceLocation for the given descriptor,
+ // returning the first location if multiple exist for the same path.
+ // If no location exists for this descriptor, it returns the zero value.
+ ByDescriptor(desc Descriptor) SourceLocation
+
+ doNotImplement
+}
+
+// SourceLocation describes a source location and
+// corresponds with the google.protobuf.SourceCodeInfo.Location message.
+type SourceLocation struct {
+ // Path is the path to the declaration from the root file descriptor.
+ // The contents of this slice must not be mutated.
+ Path SourcePath
+
+ // StartLine and StartColumn are the zero-indexed starting location
+ // in the source file for the declaration.
+ StartLine, StartColumn int
+ // EndLine and EndColumn are the zero-indexed ending location
+ // in the source file for the declaration.
+ // In the descriptor.proto, the end line may be omitted if it is identical
+ // to the start line. Here, it is always populated.
+ EndLine, EndColumn int
+
+ // LeadingDetachedComments are the leading detached comments
+ // for the declaration. The contents of this slice must not be mutated.
+ LeadingDetachedComments []string
+ // LeadingComments is the leading attached comment for the declaration.
+ LeadingComments string
+ // TrailingComments is the trailing attached comment for the declaration.
+ TrailingComments string
+
+ // Next is an index into SourceLocations for the next source location that
+ // has the same Path. It is zero if there is no next location.
+ Next int
+}
+
+// SourcePath identifies part of a file descriptor for a source location.
+// The SourcePath is a sequence of either field numbers or indexes into
+// a repeated field that form a path starting from the root file descriptor.
+//
+// See google.protobuf.SourceCodeInfo.Location.path.
+type SourcePath []int32
+
+// Equal reports whether p1 equals p2.
+func (p1 SourcePath) Equal(p2 SourcePath) bool {
+ if len(p1) != len(p2) {
+ return false
+ }
+ for i := range p1 {
+ if p1[i] != p2[i] {
+ return false
+ }
+ }
+ return true
+}
+
+// String formats the path in a humanly readable manner.
+// The output is guaranteed to be deterministic,
+// making it suitable for use as a key into a Go map.
+// It is not guaranteed to be stable as the exact output could change
+// in a future version of this module.
+//
+// Example output:
+// .message_type[6].nested_type[15].field[3]
+func (p SourcePath) String() string {
+ b := p.appendFileDescriptorProto(nil)
+ for _, i := range p {
+ b = append(b, '.')
+ b = strconv.AppendInt(b, int64(i), 10)
+ }
+ return string(b)
+}
+
+type appendFunc func(*SourcePath, []byte) []byte
+
+func (p *SourcePath) appendSingularField(b []byte, name string, f appendFunc) []byte {
+ if len(*p) == 0 {
+ return b
+ }
+ b = append(b, '.')
+ b = append(b, name...)
+ *p = (*p)[1:]
+ if f != nil {
+ b = f(p, b)
+ }
+ return b
+}
+
+func (p *SourcePath) appendRepeatedField(b []byte, name string, f appendFunc) []byte {
+ b = p.appendSingularField(b, name, nil)
+ if len(*p) == 0 || (*p)[0] < 0 {
+ return b
+ }
+ b = append(b, '[')
+ b = strconv.AppendUint(b, uint64((*p)[0]), 10)
+ b = append(b, ']')
+ *p = (*p)[1:]
+ if f != nil {
+ b = f(p, b)
+ }
+ return b
+}