[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/github.com/golang/protobuf/protoc-gen-go/generator/internal/remap/remap.go b/vendor/github.com/golang/protobuf/protoc-gen-go/generator/internal/remap/remap.go
new file mode 100644
index 0000000..a9b6103
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/protoc-gen-go/generator/internal/remap/remap.go
@@ -0,0 +1,117 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2017 The Go Authors. All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/*
+Package remap handles tracking the locations of Go tokens in a source text
+across a rewrite by the Go formatter.
+*/
+package remap
+
+import (
+ "fmt"
+ "go/scanner"
+ "go/token"
+)
+
+// A Location represents a span of byte offsets in the source text.
+type Location struct {
+ Pos, End int // End is exclusive
+}
+
+// A Map represents a mapping between token locations in an input source text
+// and locations in the correspnding output text.
+type Map map[Location]Location
+
+// Find reports whether the specified span is recorded by m, and if so returns
+// the new location it was mapped to. If the input span was not found, the
+// returned location is the same as the input.
+func (m Map) Find(pos, end int) (Location, bool) {
+ key := Location{
+ Pos: pos,
+ End: end,
+ }
+ if loc, ok := m[key]; ok {
+ return loc, true
+ }
+ return key, false
+}
+
+func (m Map) add(opos, oend, npos, nend int) {
+ m[Location{Pos: opos, End: oend}] = Location{Pos: npos, End: nend}
+}
+
+// Compute constructs a location mapping from input to output. An error is
+// reported if any of the tokens of output cannot be mapped.
+func Compute(input, output []byte) (Map, error) {
+ itok := tokenize(input)
+ otok := tokenize(output)
+ if len(itok) != len(otok) {
+ return nil, fmt.Errorf("wrong number of tokens, %d ≠ %d", len(itok), len(otok))
+ }
+ m := make(Map)
+ for i, ti := range itok {
+ to := otok[i]
+ if ti.Token != to.Token {
+ return nil, fmt.Errorf("token %d type mismatch: %s ≠ %s", i+1, ti, to)
+ }
+ m.add(ti.pos, ti.end, to.pos, to.end)
+ }
+ return m, nil
+}
+
+// tokinfo records the span and type of a source token.
+type tokinfo struct {
+ pos, end int
+ token.Token
+}
+
+func tokenize(src []byte) []tokinfo {
+ fs := token.NewFileSet()
+ var s scanner.Scanner
+ s.Init(fs.AddFile("src", fs.Base(), len(src)), src, nil, scanner.ScanComments)
+ var info []tokinfo
+ for {
+ pos, next, lit := s.Scan()
+ switch next {
+ case token.SEMICOLON:
+ continue
+ }
+ info = append(info, tokinfo{
+ pos: int(pos - 1),
+ end: int(pos + token.Pos(len(lit)) - 1),
+ Token: next,
+ })
+ if next == token.EOF {
+ break
+ }
+ }
+ return info
+}