Update to tengo v2 (#976)

4 files changed, 0 insertions, 265 deletions

diff --git a/vendor/github.com/d5/tengo/compiler/source/file.go b/vendor/github.com/d5/tengo/compiler/source/file.go
deleted file mode 100644
index 9e51c9a4..00000000
--- a/vendor/github.com/d5/tengo/compiler/source/file.go
+++ /dev/null
@@ -1,110 +0,0 @@
-package source
-
-// File represents a source file.
-type File struct {
-	// File set for the file
-	set *FileSet
-	// File name as provided to AddFile
-	Name string
-	// Pos value range for this file is [base...base+size]
-	Base int
-	// File size as provided to AddFile
-	Size int
-	// Lines contains the offset of the first character for each line (the first entry is always 0)
-	Lines []int
-}
-
-// Set returns FileSet.
-func (f *File) Set() *FileSet {
-	return f.set
-}
-
-// LineCount returns the current number of lines.
-func (f *File) LineCount() int {
-	return len(f.Lines)
-}
-
-// AddLine adds a new line.
-func (f *File) AddLine(offset int) {
-	if i := len(f.Lines); (i == 0 || f.Lines[i-1] < offset) && offset < f.Size {
-		f.Lines = append(f.Lines, offset)
-	}
-}
-
-// LineStart returns the position of the first character in the line.
-func (f *File) LineStart(line int) Pos {
-	if line < 1 {
-		panic("illegal line number (line numbering starts at 1)")
-	}
-
-	if line > len(f.Lines) {
-		panic("illegal line number")
-	}
-
-	return Pos(f.Base + f.Lines[line-1])
-}
-
-// FileSetPos returns the position in the file set.
-func (f *File) FileSetPos(offset int) Pos {
-	if offset > f.Size {
-		panic("illegal file offset")
-	}
-
-	return Pos(f.Base + offset)
-}
-
-// Offset translates the file set position into the file offset.
-func (f *File) Offset(p Pos) int {
-	if int(p) < f.Base || int(p) > f.Base+f.Size {
-		panic("illegal Pos value")
-	}
-
-	return int(p) - f.Base
-}
-
-// Position translates the file set position into the file position.
-func (f *File) Position(p Pos) (pos FilePos) {
-	if p != NoPos {
-		if int(p) < f.Base || int(p) > f.Base+f.Size {
-			panic("illegal Pos value")
-		}
-
-		pos = f.position(p)
-	}
-
-	return
-}
-
-func (f *File) position(p Pos) (pos FilePos) {
-	offset := int(p) - f.Base
-	pos.Offset = offset
-	pos.Filename, pos.Line, pos.Column = f.unpack(offset)
-
-	return
-}
-
-func (f *File) unpack(offset int) (filename string, line, column int) {
-	filename = f.Name
-	if i := searchInts(f.Lines, offset); i >= 0 {
-		line, column = i+1, offset-f.Lines[i]+1
-	}
-
-	return
-}
-
-func searchInts(a []int, x int) int {
-	// This function body is a manually inlined version of:
-	//   return sort.Search(len(a), func(i int) bool { return a[i] > x }) - 1
-	i, j := 0, len(a)
-	for i < j {
-		h := i + (j-i)/2 // avoid overflow when computing h
-		// i ≤ h < j
-		if a[h] <= x {
-			i = h + 1
-		} else {
-			j = h
-		}
-	}
-
-	return i - 1
-}
diff --git a/vendor/github.com/d5/tengo/compiler/source/file_pos.go b/vendor/github.com/d5/tengo/compiler/source/file_pos.go
deleted file mode 100644
index 4055fe6d..00000000
--- a/vendor/github.com/d5/tengo/compiler/source/file_pos.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package source
-
-import "fmt"
-
-// FilePos represents a position information in the file.
-type FilePos struct {
-	Filename string // filename, if any
-	Offset   int    // offset, starting at 0
-	Line     int    // line number, starting at 1
-	Column   int    // column number, starting at 1 (byte count)
-}
-
-// IsValid returns true if the position is valid.
-func (p FilePos) IsValid() bool {
-	return p.Line > 0
-}
-
-// String returns a string in one of several forms:
-//
-//	file:line:column    valid position with file name
-//	file:line           valid position with file name but no column (column == 0)
-//	line:column         valid position without file name
-//	line                valid position without file name and no column (column == 0)
-//	file                invalid position with file name
-//	-                   invalid position without file name
-//
-func (p FilePos) String() string {
-	s := p.Filename
-
-	if p.IsValid() {
-		if s != "" {
-			s += ":"
-		}
-
-		s += fmt.Sprintf("%d", p.Line)
-
-		if p.Column != 0 {
-			s += fmt.Sprintf(":%d", p.Column)
-		}
-	}
-
-	if s == "" {
-		s = "-"
-	}
-
-	return s
-}
diff --git a/vendor/github.com/d5/tengo/compiler/source/file_set.go b/vendor/github.com/d5/tengo/compiler/source/file_set.go
deleted file mode 100644
index da342364..00000000
--- a/vendor/github.com/d5/tengo/compiler/source/file_set.go
+++ /dev/null
@@ -1,96 +0,0 @@
-package source
-
-import (
-	"sort"
-)
-
-// FileSet represents a set of source files.
-type FileSet struct {
-	Base     int     // base offset for the next file
-	Files    []*File // list of files in the order added to the set
-	LastFile *File   // cache of last file looked up
-}
-
-// NewFileSet creates a new file set.
-func NewFileSet() *FileSet {
-	return &FileSet{
-		Base: 1, // 0 == NoPos
-	}
-}
-
-// AddFile adds a new file in the file set.
-func (s *FileSet) AddFile(filename string, base, size int) *File {
-	if base < 0 {
-		base = s.Base
-	}
-	if base < s.Base || size < 0 {
-		panic("illegal base or size")
-	}
-
-	f := &File{
-		set:   s,
-		Name:  filename,
-		Base:  base,
-		Size:  size,
-		Lines: []int{0},
-	}
-
-	base += size + 1 // +1 because EOF also has a position
-	if base < 0 {
-		panic("offset overflow (> 2G of source code in file set)")
-	}
-
-	// add the file to the file set
-	s.Base = base
-	s.Files = append(s.Files, f)
-	s.LastFile = f
-
-	return f
-}
-
-// File returns the file that contains the position p.
-// If no such file is found (for instance for p == NoPos),
-// the result is nil.
-//
-func (s *FileSet) File(p Pos) (f *File) {
-	if p != NoPos {
-		f = s.file(p)
-	}
-
-	return
-}
-
-// Position converts a Pos p in the fileset into a FilePos value.
-func (s *FileSet) Position(p Pos) (pos FilePos) {
-	if p != NoPos {
-		if f := s.file(p); f != nil {
-			return f.position(p)
-		}
-	}
-
-	return
-}
-
-func (s *FileSet) file(p Pos) *File {
-	// common case: p is in last file
-	if f := s.LastFile; f != nil && f.Base <= int(p) && int(p) <= f.Base+f.Size {
-		return f
-	}
-
-	// p is not in last file - search all files
-	if i := searchFiles(s.Files, int(p)); i >= 0 {
-		f := s.Files[i]
-
-		// f.base <= int(p) by definition of searchFiles
-		if int(p) <= f.Base+f.Size {
-			s.LastFile = f // race is ok - s.last is only a cache
-			return f
-		}
-	}
-
-	return nil
-}
-
-func searchFiles(a []*File, x int) int {
-	return sort.Search(len(a), func(i int) bool { return a[i].Base > x }) - 1
-}
diff --git a/vendor/github.com/d5/tengo/compiler/source/pos.go b/vendor/github.com/d5/tengo/compiler/source/pos.go
deleted file mode 100644
index 72128b13..00000000
--- a/vendor/github.com/d5/tengo/compiler/source/pos.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package source
-
-// Pos represents a position in the file set.
-type Pos int
-
-// NoPos represents an invalid position.
-const NoPos Pos = 0
-
-// IsValid returns true if the position is valid.
-func (p Pos) IsValid() bool {
-	return p != NoPos
-}