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Generate ranges of the correct length

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Thomas Voss
2024-06-13 16:42:04 +02:00
parent 657c516360
commit 9f7ac1469f
1 changed files with 16 additions and 4 deletions
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20
src/error.cpp
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@@ -336,15 +336,27 @@ gb_internal isize show_error_on_line(TokenPos const &pos, TokenPos end) {
error_out("^");
if (end.file_id == pos.file_id) {
i32 rune;
if (end.line > pos.line) {
for (i32 i = offset; i < line_len; i++) {
error_out("~");
for (i32 rune, rune_width, off = offset; off < line_len; off += rune_width) {
rune_width = cast(i32)utf8proc_iterate((u8 const *)line_text + off, line_len - off, &rune);
int w = utf8proc_charwidth(rune);
if (w > 0) {
error_out("%.*s", w, "~~~~");
}
}
} else if (end.line == pos.line && end.column > pos.column) {
for (i32 i = 1; i < error_length-1+squiggle_extra; i++) {
isize columns = squiggle_extra;
for (i32 rune, rune_width, off = offset; off < offset + error_length - 1; off += rune_width) {
rune_width = cast(i32)utf8proc_iterate((u8 const *)line_text + off, line_len - off, &rune);
columns += utf8proc_charwidth(rune);
}
for (isize i = 1; i < columns; i++) {
error_out("~");
}
if (error_length > 1 && squiggle_extra == 0) {
if (columns > 0 && squiggle_extra == 0) {
error_out("^");
}
}