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Decoding error position tracking

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This commit is contained in:
Thomas Pelletier
2021-03-30 21:43:57 -04:00
parent 18d45c446b
commit 32da85ab11
8 changed files with 150 additions and 34 deletions
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errors.go
+9 -1
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@@ -129,8 +129,16 @@ func formatLineNumber(line int, width int) string {
func linesOfContext(document []byte, highlight []byte, offset int, linesAround int) ([][]byte, [][]byte) {
var beforeLines [][]byte
for beforeOffset, lastOffset := offset, offset; beforeOffset >= 0 && len(beforeLines) <= linesAround; beforeOffset-- {
if beforeOffset == len(document) {
beforeLines = append(beforeLines, []byte{})
continue
}
if document[beforeOffset] == '\n' {
beforeLines = append(beforeLines, document[beforeOffset+1:lastOffset])
if beforeOffset == lastOffset {
beforeLines = append(beforeLines, []byte{})
} else {
beforeLines = append(beforeLines, document[beforeOffset+1:lastOffset])
}
lastOffset = beforeOffset
} else if beforeOffset == 0 && beforeOffset != lastOffset {
beforeLines = append(beforeLines, document[beforeOffset:lastOffset])