.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.1.1-0.20210319172145-bda8f5cee399 / godoc / parser.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/godoc/parser.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/godoc/parser.go
new file mode 100644 (file)
index 0000000..c864a0a
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/godoc/parser.go
@@ -0,0 +1,74 @@
+// Copyright 2011 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.
+
+// This file contains support functions for parsing .go files
+// accessed via godoc's file system fs.
+
+package godoc
+
+import (
+       "bytes"
+       "go/ast"
+       "go/parser"
+       "go/token"
+       pathpkg "path"
+
+       "golang.org/x/tools/godoc/vfs"
+)
+
+var linePrefix = []byte("//line ")
+
+// This function replaces source lines starting with "//line " with a blank line.
+// It does this irrespective of whether the line is truly a line comment or not;
+// e.g., the line may be inside a string, or a /*-style comment; however that is
+// rather unlikely (proper testing would require a full Go scan which we want to
+// avoid for performance).
+func replaceLinePrefixCommentsWithBlankLine(src []byte) {
+       for {
+               i := bytes.Index(src, linePrefix)
+               if i < 0 {
+                       break // we're done
+               }
+               // 0 <= i && i+len(linePrefix) <= len(src)
+               if i == 0 || src[i-1] == '\n' {
+                       // at beginning of line: blank out line
+                       for i < len(src) && src[i] != '\n' {
+                               src[i] = ' '
+                               i++
+                       }
+               } else {
+                       // not at beginning of line: skip over prefix
+                       i += len(linePrefix)
+               }
+               // i <= len(src)
+               src = src[i:]
+       }
+}
+
+func (c *Corpus) parseFile(fset *token.FileSet, filename string, mode parser.Mode) (*ast.File, error) {
+       src, err := vfs.ReadFile(c.fs, filename)
+       if err != nil {
+               return nil, err
+       }
+
+       // Temporary ad-hoc fix for issue 5247.
+       // TODO(gri,dmitshur) Remove this in favor of a better fix, eventually (see issue 32092).
+       replaceLinePrefixCommentsWithBlankLine(src)
+
+       return parser.ParseFile(fset, filename, src, mode)
+}
+
+func (c *Corpus) parseFiles(fset *token.FileSet, relpath string, abspath string, localnames []string) (map[string]*ast.File, error) {
+       files := make(map[string]*ast.File)
+       for _, f := range localnames {
+               absname := pathpkg.Join(abspath, f)
+               file, err := c.parseFile(fset, absname, parser.ParseComments)
+               if err != nil {
+                       return nil, err
+               }
+               files[pathpkg.Join(relpath, f)] = file
+       }
+
+       return files, nil
+}