From 961c04cae992eadb42d286d2f85f8a675bdc68c8 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 29 Jan 2018 14:17:40 -0800
Subject: Upgrading server dependancies (#8154)

---
 vendor/github.com/mailru/easyjson/parser/parser.go | 97 ++++++++++++++++++++++
 .../mailru/easyjson/parser/parser_unix.go          | 42 ++++++++++
 .../mailru/easyjson/parser/parser_windows.go       | 49 +++++++++++
 3 files changed, 188 insertions(+)
 create mode 100644 vendor/github.com/mailru/easyjson/parser/parser.go
 create mode 100644 vendor/github.com/mailru/easyjson/parser/parser_unix.go
 create mode 100644 vendor/github.com/mailru/easyjson/parser/parser_windows.go

(limited to 'vendor/github.com/mailru/easyjson/parser')

diff --git a/vendor/github.com/mailru/easyjson/parser/parser.go b/vendor/github.com/mailru/easyjson/parser/parser.go
new file mode 100644
index 000000000..5bd06e946
--- /dev/null
+++ b/vendor/github.com/mailru/easyjson/parser/parser.go
@@ -0,0 +1,97 @@
+package parser
+
+import (
+	"go/ast"
+	"go/parser"
+	"go/token"
+	"os/exec"
+	"strings"
+)
+
+const structComment = "easyjson:json"
+
+type Parser struct {
+	PkgPath     string
+	PkgName     string
+	StructNames []string
+	AllStructs  bool
+}
+
+type visitor struct {
+	*Parser
+
+	name     string
+	explicit bool
+}
+
+func (p *Parser) needType(comments string) bool {
+	for _, v := range strings.Split(comments, "\n") {
+		if strings.HasPrefix(v, structComment) {
+			return true
+		}
+	}
+	return false
+}
+
+func (v *visitor) Visit(n ast.Node) (w ast.Visitor) {
+	switch n := n.(type) {
+	case *ast.Package:
+		return v
+	case *ast.File:
+		v.PkgName = n.Name.String()
+		return v
+
+	case *ast.GenDecl:
+		v.explicit = v.needType(n.Doc.Text())
+
+		if !v.explicit && !v.AllStructs {
+			return nil
+		}
+		return v
+	case *ast.TypeSpec:
+		v.name = n.Name.String()
+
+		// Allow to specify non-structs explicitly independent of '-all' flag.
+		if v.explicit {
+			v.StructNames = append(v.StructNames, v.name)
+			return nil
+		}
+		return v
+	case *ast.StructType:
+		v.StructNames = append(v.StructNames, v.name)
+		return nil
+	}
+	return nil
+}
+
+func (p *Parser) Parse(fname string, isDir bool) error {
+	var err error
+	if p.PkgPath, err = getPkgPath(fname, isDir); err != nil {
+		return err
+	}
+
+	fset := token.NewFileSet()
+	if isDir {
+		packages, err := parser.ParseDir(fset, fname, nil, parser.ParseComments)
+		if err != nil {
+			return err
+		}
+
+		for _, pckg := range packages {
+			ast.Walk(&visitor{Parser: p}, pckg)
+		}
+	} else {
+		f, err := parser.ParseFile(fset, fname, nil, parser.ParseComments)
+		if err != nil {
+			return err
+		}
+
+		ast.Walk(&visitor{Parser: p}, f)
+	}
+	return nil
+}
+
+func getDefaultGoPath() (string, error) {
+	output, err := exec.Command("go", "env", "GOPATH").Output()
+	return string(output), err
+}
diff --git a/vendor/github.com/mailru/easyjson/parser/parser_unix.go b/vendor/github.com/mailru/easyjson/parser/parser_unix.go
new file mode 100644
index 000000000..09b20a2e1
--- /dev/null
+++ b/vendor/github.com/mailru/easyjson/parser/parser_unix.go
@@ -0,0 +1,42 @@
+// +build !windows
+
+package parser
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"strings"
+)
+
+func getPkgPath(fname string, isDir bool) (string, error) {
+	if !path.IsAbs(fname) {
+		pwd, err := os.Getwd()
+		if err != nil {
+			return "", err
+		}
+		fname = path.Join(pwd, fname)
+	}
+
+	gopath := os.Getenv("GOPATH")
+	if gopath == "" {
+		var err error
+		gopath, err = getDefaultGoPath()
+		if err != nil {
+			return "", fmt.Errorf("cannot determine GOPATH: %s", err)
+		}
+	}
+
+	for _, p := range strings.Split(os.Getenv("GOPATH"), ":") {
+		prefix := path.Join(p, "src") + "/"
+		if rel := strings.TrimPrefix(fname, prefix); rel != fname {
+			if !isDir {
+				return path.Dir(rel), nil
+			} else {
+				return path.Clean(rel), nil
+			}
+		}
+	}
+
+	return "", fmt.Errorf("file '%v' is not in GOPATH", fname)
+}
diff --git a/vendor/github.com/mailru/easyjson/parser/parser_windows.go b/vendor/github.com/mailru/easyjson/parser/parser_windows.go
new file mode 100644
index 000000000..90d3a78b5
--- /dev/null
+++ b/vendor/github.com/mailru/easyjson/parser/parser_windows.go
@@ -0,0 +1,49 @@
+package parser
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+func normalizePath(path string) string {
+	// use lower case, as Windows file systems will almost always be case insensitive 
+	return strings.ToLower(strings.Replace(path, "\\", "/", -1))
+}
+
+func getPkgPath(fname string, isDir bool) (string, error) {
+	// path.IsAbs doesn't work properly on Windows; use filepath.IsAbs instead
+	if !filepath.IsAbs(fname) {
+		pwd, err := os.Getwd()
+		if err != nil {
+			return "", err
+		}
+		fname = path.Join(pwd, fname)
+	}
+
+	fname = normalizePath(fname)
+
+	gopath := os.Getenv("GOPATH")
+	if gopath == "" {
+		var err error
+		gopath, err = getDefaultGoPath()
+		if err != nil {
+			return "", fmt.Errorf("cannot determine GOPATH: %s", err)
+		}
+	}
+
+	for _, p := range strings.Split(os.Getenv("GOPATH"), ";") {
+		prefix := path.Join(normalizePath(p), "src") + "/"
+		if rel := strings.TrimPrefix(fname, prefix); rel != fname {
+			if !isDir {
+				return path.Dir(rel), nil
+			} else {
+				return path.Clean(rel), nil
+			}
+		}
+	}
+
+	return "", fmt.Errorf("file '%v' is not in GOPATH", fname)
+}
-- 
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