fix(processor): implement universal string-aware comment parsing

- Fix block comment start detection to use string-aware parsing
- Fix block comment end detection to use string-aware parsing
- Fix lineHasComment to use string-aware parsing instead of strings.Contains
- Prevents removal of comment markers inside string literals
- Protects all supported languages: Go, JS, Python, Lua, etc.
This commit is contained in:
carraes
2025-07-06 12:01:15 -03:00
parent f941ac23cb
commit 64231c18fc
+11 -20
View File
@@ -58,7 +58,6 @@ func (p *Processor) processGitChanges() error {
return nil
}
supportedChanges := make([]git.FileChange, 0, len(changes))
for _, change := range changes {
if IsSupportedFile(change.Path) {
@@ -112,7 +111,6 @@ func (p *Processor) processFileWithLineRanges(filename string, lineRanges []git.
return err
}
cfg, _, err := config.Load()
if err != nil && p.cli.Verbose {
fmt.Printf("Warning: failed to load config, using defaults: %v\n", err)
@@ -211,12 +209,11 @@ func (p *Processor) removeCommentsFromLine(line string, language types.Language,
if idx := p.findCommentIndex(result, language.LineComment); idx != -1 {
comment := strings.TrimSpace(result[idx:])
if cfg.ShouldPreserveComment(comment) {
return originalLine
}
result = result[:idx]
hasChanges = true
}
@@ -228,26 +225,25 @@ func (p *Processor) removeCommentsFromLine(line string, language types.Language,
endComment := language.BlockComment.End
for {
startIdx := strings.Index(result, startComment)
startIdx := p.findCommentIndex(result, startComment)
if startIdx == -1 {
break
}
endIdx := strings.Index(result[startIdx:], endComment)
endIdx := p.findCommentIndex(result[startIdx:], endComment)
if endIdx == -1 {
comment := strings.TrimSpace(result[startIdx:])
if cfg.ShouldPreserveComment(comment) {
return originalLine
}
result = result[:startIdx]
hasChanges = true
break
}
blockComment := strings.TrimSpace(result[startIdx:startIdx+endIdx+len(endComment)])
blockComment := strings.TrimSpace(result[startIdx : startIdx+endIdx+len(endComment)])
if cfg.ShouldPreserveComment(blockComment) {
return originalLine
}
@@ -260,7 +256,7 @@ func (p *Processor) removeCommentsFromLine(line string, language types.Language,
if hasChanges {
result = strings.TrimRight(result, " \t")
if strings.TrimSpace(result) == "" {
if p.cli.PreserveLines {
leadingWhitespace := ""
@@ -287,7 +283,6 @@ func (p *Processor) showGitPreviewWithTotals(filename string, lineRanges []git.L
return err
}
cfg, _, err := config.Load()
if err != nil {
cfg = config.Default()
@@ -374,21 +369,19 @@ func (p *Processor) showGitPreviewWithTotals(filename string, lineRanges []git.L
return nil
}
func (p *Processor) findCommentIndex(line, commentMarker string) int {
inString := false
var stringChar byte
for i := 0; i < len(line); i++ {
char := line[i]
if !inString && (char == '"' || char == '\'' || char == '`') {
inString = true
stringChar = char
continue
}
if inString && char == stringChar {
if i > 0 && line[i-1] != '\\' {
@@ -396,7 +389,6 @@ func (p *Processor) findCommentIndex(line, commentMarker string) int {
}
continue
}
if !inString {
if i+len(commentMarker) <= len(line) && line[i:i+len(commentMarker)] == commentMarker {
@@ -404,7 +396,7 @@ func (p *Processor) findCommentIndex(line, commentMarker string) int {
}
}
}
return -1
}
@@ -414,14 +406,13 @@ func (p *Processor) lineHasComment(line string, language types.Language) bool {
if language.LineComment != "" && p.findCommentIndex(line, language.LineComment) != -1 {
return true
}
if language.BlockComment != nil {
if strings.Contains(line, language.BlockComment.Start) || strings.Contains(line, language.BlockComment.End) {
if p.findCommentIndex(line, language.BlockComment.Start) != -1 || p.findCommentIndex(line, language.BlockComment.End) != -1 {
return true
}
}
return false
}