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Pad ‘^~~~^’-style diagnostic ranges properly

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Thomas Voss
2024-06-12 20:58:28 +02:00
parent 603581aa53
commit 657c516360
1 changed files with 7 additions and 2 deletions
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9
src/error.cpp
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@@ -323,8 +323,13 @@ gb_internal isize show_error_on_line(TokenPos const &pos, TokenPos end) {
}
error_out("\n\t");
for (i32 i = 0; i < offset; i++) {
error_out(" ");
for (i32 rune_width, off = 0; off < offset; off += rune_width) {
i32 rune;
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, " ");
}
}
terminal_set_colours(TerminalStyle_Bold, TerminalColour_Green);