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Return position where parsing is failed #80

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Merged
reshke merged 1 commit into from
Nov 27, 2025
Merged

Return position where parsing is failed #80

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15 changes: 8 additions & 7 deletions lyx/util.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,20 +44,21 @@ func setParseTree(yylex interface{}, stmt []Node) {
yylex.(*Tokenizer).ParseTree = stmt
}

func Parse(sql string) ([]Node, error) {
func Parse(sql string) ([]Node, int, error) {
tokenizer := NewStringTokenizer(sql)
if yyParse(tokenizer) != 0 {
return nil, errors.New(tokenizer.LastError + fmt.Sprintf(" on pos %d", tokenizer.l.ts))
p := yyNewParser()
if p.Parse(tokenizer) != 0 {
return nil, tokenizer.l.ts, errors.New(tokenizer.LastError)
}
ast := tokenizer.ParseTree
return ast, nil
return ast, 0, nil
}

func ParseWithLexerParser(l LyxParser, t *Tokenizer, sql string) ([]Node, error) {
func ParseWithLexerParser(l LyxParser, t *Tokenizer, sql string) ([]Node, int, error) {
t.Reset(sql)
if l.Parse(t) != 0 {
return nil, errors.New(t.LastError + fmt.Sprintf(" on pos %d", t.l.ts))
return nil, 0, errors.New(t.LastError + fmt.Sprintf(" at or near %d", t.l.ts))
}
ast := t.ParseTree
return ast, nil
return ast, 0, nil
}
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