add go module v2 (#244)

README.md

@@ -84,7 +84,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func main() {

bytecode.go

@@ -6,7 +6,7 @@ import (
 	"io"
 	"reflect"
 
-	"github.com/d5/tengo/parser"
+	"github.com/d5/tengo/v2/parser"
 )
 
 // Bytecode is a compiled instructions and constants.

bytecode_test.go

@@ -5,9 +5,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/require"
 )
 
 type srcfile struct {

cmd/bench/main.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
 )
 
 func main() {

cmd/tengo/main.go

@@ -11,9 +11,9 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/stdlib"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/stdlib"
 )
 
 const (

compiler.go

@@ -8,8 +8,8 @@ import (
 	"reflect"
 	"strings"
 
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/token"
 )
 
 // compilationScope represents a compiled instructions and the last two

compiler_test.go

@@ -5,9 +5,9 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/require"
 )
 
 func TestCompiler_Compile(t *testing.T) {

docs/interoperability.md

@@ -26,7 +26,7 @@ The following is an example where a Tengo script is compiled and run with no
 input/output variables.
 
 ```golang
-import "github.com/d5/tengo"
+import "github.com/d5/tengo/v2"
 
 var code = `
 reduce := func(seq, fn) {
@@ -54,7 +54,7 @@ output variable is accessed through
 import (
 	"fmt"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func main() {

example_test.go

@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func Example() {

go.mod

@@ -1,3 +1,3 @@
-module github.com/d5/tengo
+module github.com/d5/tengo/v2
 
 go 1.13

instructions.go

@@ -3,7 +3,7 @@ package tengo
 import (
 	"fmt"
 
-	"github.com/d5/tengo/parser"
+	"github.com/d5/tengo/v2/parser"
 )
 
 // MakeInstruction returns a bytecode for an opcode and the operands.

objects.go

@@ -8,8 +8,8 @@ import (
 	"strings"
 	"time"
 
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/token"
 )
 
 var (

objects_test.go

@@ -3,9 +3,9 @@ package tengo_test
 import (
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/token"
 )
 
 func TestObject_TypeName(t *testing.T) {

parser/ast_test.go

@@ -3,7 +3,7 @@ package parser_test
 import (
 	"testing"
 
-	"github.com/d5/tengo/parser"
+	"github.com/d5/tengo/v2/parser"
 )
 
 func TestIdentListString(t *testing.T) {

parser/expr.go

@@ -3,7 +3,7 @@ package parser
 import (
 	"strings"
 
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/token"
 )
 
 // Expr represents an expression node in the AST.

parser/parser.go

@@ -6,7 +6,7 @@ import (
 	"sort"
 	"strconv"
 
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/token"
 )
 
 type bailout struct{}

parser/parser_test.go

@@ -7,9 +7,9 @@ import (
 	"strings"
 	"testing"
 
-	. "github.com/d5/tengo/parser"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/token"
+	. "github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/token"
 )
 
 func TestParserError(t *testing.T) {

parser/scanner.go

@@ -5,7 +5,7 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/token"
 )
 
 // byte order mark

parser/scanner_test.go

@@ -7,9 +7,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/token"
 )
 
 var testFileSet = parser.NewFileSet()

parser/stmt.go

@@ -3,7 +3,7 @@ package parser
 import (
 	"strings"
 
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/token"
 )
 
 // Stmt represents a statement in the AST.

require/require.go

@@ -10,9 +10,9 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/token"
 )
 
 // NoError asserts err is not an error.

script.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"sync"
 
-	"github.com/d5/tengo/parser"
+	"github.com/d5/tengo/v2/parser"
 )
 
 // Script can simplify compilation and execution of embedded scripts.

script_test.go

@@ -10,10 +10,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/stdlib"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/stdlib"
+	"github.com/d5/tengo/v2/token"
 )
 
 func TestScript_Add(t *testing.T) {

stdlib/base64.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"encoding/base64"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var base64Module = map[string]tengo.Object{

stdlib/builtin_modules.go

@@ -1,7 +1,7 @@
 package stdlib
 
 import (
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 // BuiltinModules are builtin type standard library modules.

stdlib/errors.go

@@ -1,7 +1,7 @@
 package stdlib
 
 import (
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func wrapError(err error) tengo.Object {

stdlib/fmt.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"fmt"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var fmtModule = map[string]tengo.Object{

stdlib/func_typedefs.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"fmt"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 // FuncAR transform a function of 'func()' signature into CallableFunc type.

stdlib/func_typedefs_test.go

@@ -6,9 +6,9 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/stdlib"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/stdlib"
 )
 
 func TestFuncAIR(t *testing.T) {

stdlib/hex.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"encoding/hex"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var hexModule = map[string]tengo.Object{

stdlib/json.go

@@ -4,8 +4,8 @@ import (
 	"bytes"
 	gojson "encoding/json"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/stdlib/json"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/stdlib/json"
 )
 
 var jsonModule = map[string]tengo.Object{

stdlib/json/decode.go

@@ -12,7 +12,7 @@ import (
 	"unicode/utf16"
 	"unicode/utf8"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 // Decode parses the JSON-encoded data and returns the result object.

stdlib/json/encode.go

@@ -12,7 +12,7 @@ import (
 	"math"
 	"strconv"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 // Encode returns the JSON encoding of the object.

stdlib/json/json_test.go

@@ -4,9 +4,9 @@ import (
 	gojson "encoding/json"
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/stdlib/json"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/stdlib/json"
 )
 
 type ARR = []interface{}

stdlib/math.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"math"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var mathModule = map[string]tengo.Object{

stdlib/os.go

@@ -7,7 +7,7 @@ import (
 	"os"
 	"os/exec"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var osModule = map[string]tengo.Object{

stdlib/os_exec.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"os/exec"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func makeOSExecCommand(cmd *exec.Cmd) *tengo.ImmutableMap {

stdlib/os_file.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"os"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func makeOSFile(file *os.File) *tengo.ImmutableMap {

stdlib/os_process.go

@@ -4,7 +4,7 @@ import (
 	"os"
 	"syscall"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func makeOSProcessState(state *os.ProcessState) *tengo.ImmutableMap {

stdlib/os_test.go

@@ -5,8 +5,8 @@ import (
 	"os"
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
 )
 
 func TestReadFile(t *testing.T) {

stdlib/rand.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"math/rand"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var randModule = map[string]tengo.Object{

stdlib/rand_test.go

@@ -4,8 +4,8 @@ import (
 	"math/rand"
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
 )
 
 func TestRand(t *testing.T) {

stdlib/stdlib.go

@@ -3,7 +3,7 @@ package stdlib
 //go:generate go run gensrcmods.go
 
 import (
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 // AllModuleNames returns a list of all default module names.

stdlib/stdlib_test.go

@@ -5,9 +5,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/stdlib"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/stdlib"
 )
 
 type ARR = []interface{}

stdlib/text.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 	"unicode/utf8"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var textModule = map[string]tengo.Object{

stdlib/text_regexp.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"regexp"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func makeTextRegexp(re *regexp.Regexp) *tengo.ImmutableMap {

stdlib/text_test.go

@@ -4,7 +4,7 @@ import (
 	"regexp"
 	"testing"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 func TestTextRE(t *testing.T) {

stdlib/times.go

@@ -3,7 +3,7 @@ package stdlib
 import (
 	"time"
 
-	"github.com/d5/tengo"
+	"github.com/d5/tengo/v2"
 )
 
 var timesModule = map[string]tengo.Object{

stdlib/times_test.go

@@ -4,8 +4,8 @@ import (
 	"testing"
 	"time"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
 )
 
 func TestTimes(t *testing.T) {

symbol_table_test.go

@@ -3,8 +3,8 @@ package tengo_test
 import (
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
 )
 
 func TestSymbolTable(t *testing.T) {

tengo_test.go

@@ -5,9 +5,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/require"
 )
 
 func TestInstructions_String(t *testing.T) {

variable_test.go

@@ -3,8 +3,8 @@ package tengo_test
 import (
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/require"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/require"
 )
 
 type VariableTest struct {

vm.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"sync/atomic"
 
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/token"
 )
 
 // frame represents a function call frame.

vm_test.go

@@ -10,11 +10,11 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/d5/tengo"
-	"github.com/d5/tengo/parser"
-	"github.com/d5/tengo/require"
-	"github.com/d5/tengo/stdlib"
-	"github.com/d5/tengo/token"
+	"github.com/d5/tengo/v2"
+	"github.com/d5/tengo/v2/parser"
+	"github.com/d5/tengo/v2/require"
+	"github.com/d5/tengo/v2/stdlib"
+	"github.com/d5/tengo/v2/token"
 )
 
 const testOut = "out"