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-rw-r--r--src/main.cpp159
1 files changed, 159 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 67dc5da00..17477384e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -568,6 +568,7 @@ enum BuildFlagKind {
BuildFlag_OutFile,
BuildFlag_OptimizationLevel,
BuildFlag_ShowTimings,
+ BuildFlag_ShowUnused,
BuildFlag_ShowMoreTimings,
BuildFlag_ShowSystemCalls,
BuildFlag_ThreadCount,
@@ -669,6 +670,7 @@ bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_OutFile, str_lit("out"), BuildFlagParam_String);
add_flag(&build_flags, BuildFlag_OptimizationLevel, str_lit("opt"), BuildFlagParam_Integer);
add_flag(&build_flags, BuildFlag_ShowTimings, str_lit("show-timings"), BuildFlagParam_None);
+ add_flag(&build_flags, BuildFlag_ShowUnused, str_lit("show-unused"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_ShowMoreTimings, str_lit("show-more-timings"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_ShowSystemCalls, str_lit("show-system-calls"), BuildFlagParam_None);
add_flag(&build_flags, BuildFlag_ThreadCount, str_lit("thread-count"), BuildFlagParam_Integer);
@@ -860,6 +862,14 @@ bool parse_build_flags(Array<String> args) {
GB_ASSERT(value.kind == ExactValue_Invalid);
build_context.show_timings = true;
break;
+ case BuildFlag_ShowUnused:
+ GB_ASSERT(value.kind == ExactValue_Invalid);
+ build_context.show_unused = true;
+ if (build_context.command != "check") {
+ gb_printf_err("%.*s is only allowed with 'odin check'\n", LIT(name));
+ bad_flags = true;
+ }
+ break;
case BuildFlag_ShowMoreTimings:
GB_ASSERT(value.kind == ExactValue_Invalid);
build_context.show_timings = true;
@@ -1487,6 +1497,7 @@ void print_show_help(String const arg0, String const &command) {
bool build = command == "build";
bool run_or_build = command == "run" || command == "build";
+ bool check_only = command == "check";
bool check = command == "run" || command == "build" || command == "check";
print_usage_line(0, "");
@@ -1521,6 +1532,12 @@ void print_show_help(String const arg0, String const &command) {
print_usage_line(0, "");
}
+ if (check_only) {
+ print_usage_line(1, "-show-unused");
+ print_usage_line(2, "Shows unused package declarations within the current project");
+ print_usage_line(0, "");
+ }
+
if (run_or_build) {
print_usage_line(1, "-keep-temp-files");
print_usage_line(2, "Keeps the temporary files generated during compilation");
@@ -1599,6 +1616,23 @@ void print_show_help(String const arg0, String const &command) {
print_usage_line(1, "-extra-linker-flags:<string>");
print_usage_line(2, "Adds extra linker specific flags in a string");
print_usage_line(0, "");
+
+ print_usage_line(1, "-microarch:<string>");
+ print_usage_line(2, "Specifies the specific micro-architecture for the build in a string");
+ print_usage_line(2, "Examples:");
+ print_usage_line(3, "-microarch:sandybridge");
+ print_usage_line(3, "-microarch:native");
+ print_usage_line(0, "");
+ }
+
+ if (check) {
+ print_usage_line(1, "-disallow-do");
+ print_usage_line(2, "Disallows the 'do' keyword in the project");
+ print_usage_line(0, "");
+
+ print_usage_line(1, "-default-to-nil-allocator");
+ print_usage_line(2, "Sets the default allocator to be the nil_allocator, an allocator which does nothing");
+ print_usage_line(0, "");
}
if (run_or_build) {
@@ -1632,6 +1666,127 @@ void print_show_help(String const arg0, String const &command) {
}
}
+int unused_entity_kind_ordering[Entity_Count] = {
+ /*Invalid*/ -1,
+ /*Constant*/ 0,
+ /*Variable*/ 1,
+ /*TypeName*/ 4,
+ /*Procedure*/ 2,
+ /*ProcGroup*/ 3,
+ /*Builtin*/ -1,
+ /*ImportName*/ -1,
+ /*LibraryName*/ -1,
+ /*Nil*/ -1,
+ /*Label*/ -1,
+};
+char const *unused_entity_names[Entity_Count] = {
+ /*Invalid*/ "",
+ /*Constant*/ "constants",
+ /*Variable*/ "variables",
+ /*TypeName*/ "types",
+ /*Procedure*/ "procedures",
+ /*ProcGroup*/ "proc_group",
+ /*Builtin*/ "",
+ /*ImportName*/ "import names",
+ /*LibraryName*/ "library names",
+ /*Nil*/ "",
+ /*Label*/ "",
+};
+
+
+GB_COMPARE_PROC(cmp_entities_for_unused) {
+ GB_ASSERT(a != nullptr);
+ GB_ASSERT(b != nullptr);
+ Entity *x = *cast(Entity **)a;
+ Entity *y = *cast(Entity **)b;
+ int res = 0;
+ res = string_compare(x->pkg->name, y->pkg->name);
+ if (res != 0) {
+ return res;
+ }
+ int ox = unused_entity_kind_ordering[x->kind];
+ int oy = unused_entity_kind_ordering[y->kind];
+ if (ox < oy) {
+ return -1;
+ } else if (ox > oy) {
+ return +1;
+ }
+ res = string_compare(x->token.string, y->token.string);
+ return res;
+}
+
+
+void print_show_unused(Checker *c) {
+ CheckerInfo *info = &c->info;
+
+ auto unused = array_make<Entity *>(permanent_allocator(), 0, info->entities.count);
+ for_array(i, info->entities) {
+ Entity *e = info->entities[i];
+ if (e == nullptr) {
+ continue;
+ }
+ if (e->pkg == nullptr || e->pkg->scope == nullptr) {
+ continue;
+ }
+ if (e->pkg->scope->flags & ScopeFlag_Builtin) {
+ continue;
+ }
+ switch (e->kind) {
+ case Entity_Invalid:
+ case Entity_Builtin:
+ case Entity_Nil:
+ case Entity_Label:
+ continue;
+ case Entity_Constant:
+ case Entity_Variable:
+ case Entity_TypeName:
+ case Entity_Procedure:
+ case Entity_ProcGroup:
+ case Entity_ImportName:
+ case Entity_LibraryName:
+ // Fine
+ break;
+ }
+ if ((e->scope->flags & (ScopeFlag_Pkg|ScopeFlag_File)) == 0) {
+ continue;
+ }
+ if (e->token.string.len == 0) {
+ continue;
+ }
+ if (e->token.string == "_") {
+ continue;
+ }
+ if (ptr_set_exists(&info->minimum_dependency_set, e)) {
+ continue;
+ }
+ array_add(&unused, e);
+ }
+
+ gb_sort_array(unused.data, unused.count, cmp_entities_for_unused);
+
+ print_usage_line(0, "Unused Package Declarations");
+
+ AstPackage *curr_pkg = nullptr;
+ EntityKind curr_entity_kind = Entity_Invalid;
+ for_array(i, unused) {
+ Entity *e = unused[i];
+ if (curr_pkg != e->pkg) {
+ curr_pkg = e->pkg;
+ curr_entity_kind = Entity_Invalid;
+ print_usage_line(0, "");
+ print_usage_line(0, "package %.*s", LIT(curr_pkg->name));
+ }
+ if (curr_entity_kind != e->kind) {
+ curr_entity_kind = e->kind;
+ print_usage_line(1, "%s", unused_entity_names[e->kind]);
+ }
+ // TokenPos pos = e->token.pos;
+ // print_usage_line(2, "%.*s(%td:%td) %.*s", LIT(pos.file), pos.line, pos.column, LIT(e->token.string));
+ print_usage_line(2, "%.*s", LIT(e->token.string));
+ }
+ print_usage_line(0, "");
+}
+
int main(int arg_count, char const **arg_ptr) {
if (arg_count < 2) {
usage(make_string_c(arg_ptr[0]));
@@ -1821,6 +1976,10 @@ int main(int arg_count, char const **arg_ptr) {
temp_allocator_free_all(&temporary_allocator_data);
if (build_context.no_output_files) {
+ if (build_context.show_unused) {
+ print_show_unused(&checker);
+ }
+
if (build_context.query_data_set_settings.ok) {
generate_and_print_query_data(&checker, timings);
} else {
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-15 12:00:00 +0000