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Add -target:<string> fuzzy checking with "Did you mean" message

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gingerBill
2020-06-10 12:59:54 +01:00
parent 6b3ee447f0
commit b8d33165c9
3 changed files with 67 additions and 3 deletions
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src/main.cpp
+26
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@@ -992,7 +992,33 @@ bool parse_build_flags(Array<String> args) {
}
if (!found) {
struct DistanceAndTarget {
isize distance;
isize target_index;
};
DistanceAndTarget distances[gb_count_of(named_targets)] = {};
for (isize i = 0; i < gb_count_of(named_targets); i++) {
distances[i].target_index = i;
distances[i].distance = levenstein_distance_case_insensitive(str, named_targets[i].name);
}
gb_sort_array(distances, gb_count_of(distances), gb_isize_cmp(gb_offset_of(DistanceAndTarget, distance)));
gb_printf_err("Unknown target '%.*s'\n", LIT(str));
enum {MAX_SMALLEST_DISTANCE = 3};
if (distances[0].distance <= MAX_SMALLEST_DISTANCE) {
gb_printf_err("Did you mean:\n");
for (isize i = 0; i < gb_count_of(named_targets); i++) {
if (distances[i].distance > MAX_SMALLEST_DISTANCE) {
break;
}
gb_printf_err("\t%.*s\n", LIT(named_targets[distances[i].target_index].name));
}
}
gb_printf_err("All supported targets:\n");
for (isize i = 0; i < gb_count_of(named_targets); i++) {
gb_printf_err("\t%.*s\n", LIT(named_targets[i].name));
}
bad_flags = true;
}