mirror of
https://github.com/golang/go
synced 2024-11-19 06:34:42 -07:00
2c0ae70061
Change-Id: I6148539509364655e7d42044b73789870d30fbb6 Reviewed-on: https://go-review.googlesource.com/c/tools/+/178161 Run-TryBot: Ian Cottrell <iancottrell@google.com> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
47 lines
963 B
Go
47 lines
963 B
Go
// 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 cache
|
|
|
|
import (
|
|
"crypto/sha1"
|
|
"fmt"
|
|
"go/token"
|
|
|
|
"golang.org/x/tools/internal/lsp/source"
|
|
"golang.org/x/tools/internal/lsp/xlog"
|
|
"golang.org/x/tools/internal/span"
|
|
)
|
|
|
|
func New() source.Cache {
|
|
return &cache{
|
|
fset: token.NewFileSet(),
|
|
}
|
|
}
|
|
|
|
type cache struct {
|
|
nativeFileSystem
|
|
|
|
fset *token.FileSet
|
|
}
|
|
|
|
func (c *cache) NewSession(log xlog.Logger) source.Session {
|
|
return &session{
|
|
cache: c,
|
|
log: log,
|
|
overlays: make(map[span.URI]*source.FileContent),
|
|
filesWatchMap: NewWatchMap(),
|
|
}
|
|
}
|
|
|
|
func (c *cache) FileSet() *token.FileSet {
|
|
return c.fset
|
|
}
|
|
|
|
func hashContents(contents []byte) string {
|
|
// TODO: consider whether sha1 is the best choice here
|
|
// This hash is used for internal identity detection only
|
|
return fmt.Sprintf("%x", sha1.Sum(contents))
|
|
}
|