Update vendor d5/tengo (#1066)

7 files changed, 124 insertions, 11 deletions

diff --git a/go.mod b/go.mod
index 63ed540d..272958cf 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/Jeffail/gabs v1.1.1 // indirect
 	github.com/Philipp15b/go-steam v1.0.1-0.20190816133340-b04c5a83c1c0
 	github.com/Rhymen/go-whatsapp v0.1.0
-	github.com/d5/tengo/v2 v2.0.2
+	github.com/d5/tengo/v2 v2.1.2
 	github.com/dfordsoft/golib v0.0.0-20180902042739-76ee6ab99bec
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/go-telegram-bot-api/telegram-bot-api v4.6.5-0.20181225215658-ec221ba9ea45+incompatible
diff --git a/go.sum b/go.sum
index d7770880..e4db1b30 100644
--- a/go.sum
+++ b/go.sum
@@ -33,8 +33,8 @@ github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/d5/tengo/v2 v2.0.2 h1:3APkPZPc1FExaJoWrN5YzvDqc6GNkQH6ehmCRDmN83I=
-github.com/d5/tengo/v2 v2.0.2/go.mod h1:XRGjEs5I9jYIKTxly6HCF8oiiilk5E/RYXOZ5b0DZC8=
+github.com/d5/tengo/v2 v2.1.2 h1:JR5O6qJW2GW9lpv/MfEqK16a/Wpp2y8I0JZZ5fqNOL0=
+github.com/d5/tengo/v2 v2.1.2/go.mod h1:XRGjEs5I9jYIKTxly6HCF8oiiilk5E/RYXOZ5b0DZC8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/vendor/github.com/d5/tengo/v2/.goreleaser.yml b/vendor/github.com/d5/tengo/v2/.goreleaser.yml
index 1bd14324..a86ce7e0 100644
--- a/vendor/github.com/d5/tengo/v2/.goreleaser.yml
+++ b/vendor/github.com/d5/tengo/v2/.goreleaser.yml
@@ -11,9 +11,10 @@ builds:
       - darwin
       - linux
       - windows
-archive:
-  files:
-    - none*
+archives:
+  -
+    files:
+      - none*
 checksum:
   name_template: 'checksums.txt'
 changelog:
diff --git a/vendor/github.com/d5/tengo/v2/README.md b/vendor/github.com/d5/tengo/v2/README.md
index 92277cfe..f170be24 100644
--- a/vendor/github.com/d5/tengo/v2/README.md
+++ b/vendor/github.com/d5/tengo/v2/README.md
@@ -7,7 +7,6 @@
 [![GoDoc](https://godoc.org/github.com/d5/tengo?status.svg)](https://godoc.org/github.com/d5/tengo)
 [![Go Report Card](https://goreportcard.com/badge/github.com/d5/tengo)](https://goreportcard.com/report/github.com/d5/tengo)
 [![CircleCI](https://circleci.com/gh/d5/tengo.svg?style=svg)](https://circleci.com/gh/d5/tengo)
-[![Sourcegraph](https://sourcegraph.com/github.com/d5/tengo/-/badge.svg)](https://sourcegraph.com/github.com/d5/tengo?badge)
 
 **Tengo is a small, dynamic, fast, secure script language for Go.** 
 
@@ -75,6 +74,10 @@ _* See [here](https://github.com/d5/tengobench) for commands/codes used_
 
 ## Quick Start
 
+```
+go get github.com/d5/tengo/v2
+```
+
 A simple Go example code that compiles/runs Tengo script code with some input/output values:
 
 ```golang
diff --git a/vendor/github.com/d5/tengo/v2/builtins.go b/vendor/github.com/d5/tengo/v2/builtins.go
index 87f7fc3d..fcda81cd 100644
--- a/vendor/github.com/d5/tengo/v2/builtins.go
+++ b/vendor/github.com/d5/tengo/v2/builtins.go
@@ -14,6 +14,14 @@ var builtinFuncs = []*BuiltinFunction{
 		Value: builtinAppend,
 	},
 	{
+		Name:  "delete",
+		Value: builtinDelete,
+	},
+	{
+		Name:  "splice",
+		Value: builtinSplice,
+	},
+	{
 		Name:  "string",
 		Value: builtinString,
 	},
@@ -500,3 +508,104 @@ func builtinAppend(args ...Object) (Object, error) {
 		}
 	}
 }
+
+// builtinDelete deletes Map keys
+// usage: delete(map, "key")
+// key must be a string
+func builtinDelete(args ...Object) (Object, error) {
+	argsLen := len(args)
+	if argsLen != 2 {
+		return nil, ErrWrongNumArguments
+	}
+	switch arg := args[0].(type) {
+	case *Map:
+		if key, ok := args[1].(*String); ok {
+			delete(arg.Value, key.Value)
+			return UndefinedValue, nil
+		}
+		return nil, ErrInvalidArgumentType{
+			Name:     "second",
+			Expected: "string",
+			Found:    args[1].TypeName(),
+		}
+	default:
+		return nil, ErrInvalidArgumentType{
+			Name:     "first",
+			Expected: "map",
+			Found:    arg.TypeName(),
+		}
+	}
+}
+
+// builtinSplice deletes and changes given Array, returns deleted items.
+// usage:
+// deleted_items := splice(array[,start[,delete_count[,item1[,item2[,...]]]])
+func builtinSplice(args ...Object) (Object, error) {
+	argsLen := len(args)
+	if argsLen == 0 {
+		return nil, ErrWrongNumArguments
+	}
+
+	array, ok := args[0].(*Array)
+	if !ok {
+		return nil, ErrInvalidArgumentType{
+			Name:     "first",
+			Expected: "array",
+			Found:    args[0].TypeName(),
+		}
+	}
+	arrayLen := len(array.Value)
+
+	var startIdx int
+	if argsLen > 1 {
+		arg1, ok := args[1].(*Int)
+		if !ok {
+			return nil, ErrInvalidArgumentType{
+				Name:     "second",
+				Expected: "int",
+				Found:    args[1].TypeName(),
+			}
+		}
+		startIdx = int(arg1.Value)
+		if startIdx < 0 || startIdx > arrayLen {
+			return nil, ErrIndexOutOfBounds
+		}
+	}
+
+	delCount := len(array.Value)
+	if argsLen > 2 {
+		arg2, ok := args[2].(*Int)
+		if !ok {
+			return nil, ErrInvalidArgumentType{
+				Name:     "third",
+				Expected: "int",
+				Found:    args[2].TypeName(),
+			}
+		}
+		delCount = int(arg2.Value)
+		if delCount < 0 {
+			return nil, ErrIndexOutOfBounds
+		}
+	}
+	// if count of to be deleted items is bigger than expected, truncate it
+	if startIdx+delCount > arrayLen {
+		delCount = arrayLen - startIdx
+	}
+	// delete items
+	endIdx := startIdx + delCount
+	deleted := append([]Object{}, array.Value[startIdx:endIdx]...)
+
+	head := array.Value[:startIdx]
+	var items []Object
+	if argsLen > 3 {
+		items = make([]Object, 0, argsLen-3)
+		for i := 3; i < argsLen; i++ {
+			items = append(items, args[i])
+		}
+	}
+	items = append(items, array.Value[endIdx:]...)
+	array.Value = append(head, items...)
+
+	// return deleted items
+	return &Array{Value: deleted}, nil
+}
diff --git a/vendor/github.com/d5/tengo/v2/vm.go b/vendor/github.com/d5/tengo/v2/vm.go
index 783a54a9..af8783f0 100644
--- a/vendor/github.com/d5/tengo/v2/vm.go
+++ b/vendor/github.com/d5/tengo/v2/vm.go
@@ -80,14 +80,14 @@ func (v *VM) Run() (err error) {
 	if err != nil {
 		filePos := v.fileSet.Position(
 			v.curFrame.fn.SourcePos(v.ip - 1))
-		err = fmt.Errorf("Runtime Error: %s\n\tat %s",
-			err.Error(), filePos)
+		err = fmt.Errorf("Runtime Error: %w\n\tat %s",
+			err, filePos)
 		for v.framesIndex > 1 {
 			v.framesIndex--
 			v.curFrame = &v.frames[v.framesIndex-1]
 			filePos = v.fileSet.Position(
 				v.curFrame.fn.SourcePos(v.curFrame.ip - 1))
-			err = fmt.Errorf("%s\n\tat %s", err.Error(), filePos)
+			err = fmt.Errorf("%w\n\tat %s", err, filePos)
 		}
 		return err
 	}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 05336076..75549d7a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -23,7 +23,7 @@ github.com/Rhymen/go-whatsapp/binary/token
 github.com/Rhymen/go-whatsapp/crypto/cbc
 github.com/Rhymen/go-whatsapp/crypto/curve25519
 github.com/Rhymen/go-whatsapp/crypto/hkdf
-# github.com/d5/tengo/v2 v2.0.2
+# github.com/d5/tengo/v2 v2.1.2
 github.com/d5/tengo/v2
 github.com/d5/tengo/v2/parser
 github.com/d5/tengo/v2/stdlib