/* Print the physical source line corresponding to the location of
this diagnostics, and a caret indicating the precise column. */
void
diagnostic_show_locus (diagnostic_context * context,
const diagnostic_info *diagnostic)
{
const char *line;
char *buffer;
expanded_location s;
int max_width;
const char *saved_prefix;
const char *caret_cs, *caret_ce;
if (!context->show_caret
|| diagnostic->location <= BUILTINS_LOCATION
|| diagnostic->location == context->last_location)
return;
context->last_location = diagnostic->location;
s = expand_location_to_spelling_point (diagnostic->location);
line = location_get_source_line (s);
if (line == NULL)
return;
max_width = context->caret_max_width;
line = adjust_line (line, max_width, &(s.column));
pp_newline (context->printer);
saved_prefix = pp_get_prefix (context->printer);
pp_set_prefix (context->printer, NULL);
pp_character (context->printer, ' ');
while (max_width > 0 && *line != '\0')
{
char c = *line == '\t' ? ' ' : *line;
pp_character (context->printer, c);
max_width--;
line++;
}
pp_newline (context->printer);
caret_cs = colorize_start (pp_show_color (context->printer), "caret");
caret_ce = colorize_stop (pp_show_color (context->printer));
/* pp_printf does not implement %*c. */
size_t len = s.column + 3 + strlen (caret_cs) + strlen (caret_ce);
buffer = XALLOCAVEC (char, len);
snprintf (buffer, len, "%s %*c%s", caret_cs, s.column, '^', caret_ce);
pp_string (context->printer, buffer);
pp_set_prefix (context->printer, saved_prefix);
}
static void adjust_region(cv::Rect ®ion, const int const_width, const int const_height)
{
adjust_line(region.x, region.width, const_width);
adjust_line(region.y, region.height, const_height);
}
