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check if -define is actually used

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This commit is contained in:
Laytan Laats
2024-01-25 02:16:30 +01:00
parent 9a95049393
commit b818a77131
3 changed files with 42 additions and 7 deletions
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src/main.cpp
+28 -5
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@@ -822,9 +822,9 @@ gb_internal bool parse_build_flags(Array<String> args) {
}
case BuildFlag_ShowDefineables: {
GB_ASSERT(value.kind == ExactValue_Invalid);
build_context.show_defineables = true;
break;
}
build_context.show_defineables = true;
break;
}
case BuildFlag_ExportDefineables: {
GB_ASSERT(value.kind == ExactValue_String);
@@ -1577,6 +1577,28 @@ gb_internal void timings_export_all(Timings *t, Checker *c, bool timings_are_fin
gb_printf("Done.\n");
}
gb_internal void check_defines(BuildContext *bc, Checker *c) {
for (auto const &entry : bc->defined_values) {
String name = make_string_c(entry.key);
ExactValue value = entry.value;
GB_ASSERT(value.kind != ExactValue_Invalid);
bool found = false;
for_array(i, c->info.defineables) {
Defineable *def = &c->info.defineables[i];
if (def->name == name) {
found = true;
break;
}
}
if (!found) {
warning(nullptr, "given -define:%s is unused in the project", name);
error_line("\tSuggestion: use the -show-defineables flag for an overview of the possible defines\n");
}
}
}
gb_internal void temp_alloc_defineable_strings(Checker *c) {
for_array(i, c->info.defineables) {
Defineable *def = &c->info.defineables[i];
@@ -2059,11 +2081,11 @@ gb_internal void print_show_help(String const arg0, String const &command) {
print_usage_line(0, "");
print_usage_line(1, "-show-defineables");
print_usage_line(2, "Shows an overview of all the #config usages in the project.");
print_usage_line(2, "Shows an overview of all the #config/#defined usages in the project.");
print_usage_line(0, "");
print_usage_line(1, "-export-defineables:<filename>");
print_usage_line(2, "Exports an overview of all the #config usages in CSV format to the given file path.");
print_usage_line(2, "Exports an overview of all the #config/#defined usages in CSV format to the given file path.");
print_usage_line(2, "Example: -export-defineables:defineables.csv");
print_usage_line(0, "");
}
@@ -3063,6 +3085,7 @@ int main(int arg_count, char const **arg_ptr) {
defer (destroy_checker(checker));
check_parsed_files(checker);
check_defines(&build_context, checker);
if (any_errors()) {
print_all_errors();
return 1;