diff options
| author | Taras Madan <tarasmadan@google.com> | 2025-01-22 16:07:17 +0100 |
|---|---|---|
| committer | Taras Madan <tarasmadan@google.com> | 2025-01-23 10:42:36 +0000 |
| commit | 7b4377ad9d8a7205416df8d6217ef2b010f89481 (patch) | |
| tree | e6fec4fd12ff807a16d847923f501075bf71d16c /vendor/github.com/gobwas/glob/syntax/ast/parser.go | |
| parent | 475a4c203afb8b7d3af51c4fd32bb170ff32a45e (diff) | |
vendor: delete
Diffstat (limited to 'vendor/github.com/gobwas/glob/syntax/ast/parser.go')
| -rw-r--r-- | vendor/github.com/gobwas/glob/syntax/ast/parser.go | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/vendor/github.com/gobwas/glob/syntax/ast/parser.go b/vendor/github.com/gobwas/glob/syntax/ast/parser.go deleted file mode 100644 index 429b40943..000000000 --- a/vendor/github.com/gobwas/glob/syntax/ast/parser.go +++ /dev/null @@ -1,157 +0,0 @@ -package ast - -import ( - "errors" - "fmt" - "github.com/gobwas/glob/syntax/lexer" - "unicode/utf8" -) - -type Lexer interface { - Next() lexer.Token -} - -type parseFn func(*Node, Lexer) (parseFn, *Node, error) - -func Parse(lexer Lexer) (*Node, error) { - var parser parseFn - - root := NewNode(KindPattern, nil) - - var ( - tree *Node - err error - ) - for parser, tree = parserMain, root; parser != nil; { - parser, tree, err = parser(tree, lexer) - if err != nil { - return nil, err - } - } - - return root, nil -} - -func parserMain(tree *Node, lex Lexer) (parseFn, *Node, error) { - for { - token := lex.Next() - switch token.Type { - case lexer.EOF: - return nil, tree, nil - - case lexer.Error: - return nil, tree, errors.New(token.Raw) - - case lexer.Text: - Insert(tree, NewNode(KindText, Text{token.Raw})) - return parserMain, tree, nil - - case lexer.Any: - Insert(tree, NewNode(KindAny, nil)) - return parserMain, tree, nil - - case lexer.Super: - Insert(tree, NewNode(KindSuper, nil)) - return parserMain, tree, nil - - case lexer.Single: - Insert(tree, NewNode(KindSingle, nil)) - return parserMain, tree, nil - - case lexer.RangeOpen: - return parserRange, tree, nil - - case lexer.TermsOpen: - a := NewNode(KindAnyOf, nil) - Insert(tree, a) - - p := NewNode(KindPattern, nil) - Insert(a, p) - - return parserMain, p, nil - - case lexer.Separator: - p := NewNode(KindPattern, nil) - Insert(tree.Parent, p) - - return parserMain, p, nil - - case lexer.TermsClose: - return parserMain, tree.Parent.Parent, nil - - default: - return nil, tree, fmt.Errorf("unexpected token: %s", token) - } - } - return nil, tree, fmt.Errorf("unknown error") -} - -func parserRange(tree *Node, lex Lexer) (parseFn, *Node, error) { - var ( - not bool - lo rune - hi rune - chars string - ) - for { - token := lex.Next() - switch token.Type { - case lexer.EOF: - return nil, tree, errors.New("unexpected end") - - case lexer.Error: - return nil, tree, errors.New(token.Raw) - - case lexer.Not: - not = true - - case lexer.RangeLo: - r, w := utf8.DecodeRuneInString(token.Raw) - if len(token.Raw) > w { - return nil, tree, fmt.Errorf("unexpected length of lo character") - } - lo = r - - case lexer.RangeBetween: - // - - case lexer.RangeHi: - r, w := utf8.DecodeRuneInString(token.Raw) - if len(token.Raw) > w { - return nil, tree, fmt.Errorf("unexpected length of lo character") - } - - hi = r - - if hi < lo { - return nil, tree, fmt.Errorf("hi character '%s' should be greater than lo '%s'", string(hi), string(lo)) - } - - case lexer.Text: - chars = token.Raw - - case lexer.RangeClose: - isRange := lo != 0 && hi != 0 - isChars := chars != "" - - if isChars == isRange { - return nil, tree, fmt.Errorf("could not parse range") - } - - if isRange { - Insert(tree, NewNode(KindRange, Range{ - Lo: lo, - Hi: hi, - Not: not, - })) - } else { - Insert(tree, NewNode(KindList, List{ - Chars: chars, - Not: not, - })) - } - - return parserMain, tree, nil - } - } -} |
