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Add -show-import-graph

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This commit is contained in:
gingerBill
2026-02-10 22:16:15 +00:00
parent 3eaa11044c
commit ae91b9b369
2 changed files with 93 additions and 0 deletions
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1
src/build_settings.cpp
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@@ -538,6 +538,7 @@ struct BuildContext {
bool different_os;
bool keep_object_files;
bool disallow_do;
bool show_import_graph;
IntegerDivisionByZeroKind integer_division_by_zero_behaviour;

92
src/main.cpp
View File

@@ -302,6 +302,7 @@ enum BuildFlagKind {
BuildFlag_ShowUnused,
BuildFlag_ShowUnusedWithLocation,
BuildFlag_ShowMoreTimings,
BuildFlag_ShowImportGraph,
BuildFlag_ExportTimings,
BuildFlag_ExportTimingsFile,
BuildFlag_ExportDependencies,
@@ -530,6 +531,7 @@ gb_internal bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_OptimizationMode, str_lit("o"), BuildFlagParam_String, Command__does_build);
add_flag(&build_flags, BuildFlag_ShowTimings, str_lit("show-timings"), BuildFlagParam_None, Command__does_check);
add_flag(&build_flags, BuildFlag_ShowMoreTimings, str_lit("show-more-timings"), BuildFlagParam_None, Command__does_check);
add_flag(&build_flags, BuildFlag_ShowImportGraph, str_lit("show-import-graph"), BuildFlagParam_None, Command__does_check);
add_flag(&build_flags, BuildFlag_ExportTimings, str_lit("export-timings"), BuildFlagParam_String, Command__does_check);
add_flag(&build_flags, BuildFlag_ExportTimingsFile, str_lit("export-timings-file"), BuildFlagParam_String, Command__does_check);
add_flag(&build_flags, BuildFlag_ExportDependencies, str_lit("export-dependencies"), BuildFlagParam_String, Command__does_build);
@@ -870,6 +872,10 @@ gb_internal bool parse_build_flags(Array<String> args) {
build_context.show_timings = true;
build_context.show_more_timings = true;
break;
case BuildFlag_ShowImportGraph:
GB_ASSERT(value.kind == ExactValue_Invalid);
build_context.show_import_graph = true;
break;
case BuildFlag_ExportTimings: {
GB_ASSERT(value.kind == ExactValue_String);
/*
@@ -2071,6 +2077,73 @@ gb_internal void show_defineables(Checker *c) {
}
}
gb_internal void show_import_graph(Checker *c) {
Parser *p = c->parser;
gb_printf("\nDOT Import graph:\n\n");
gb_printf("digraph odin_import_graph {\n\tnode [shape=box];\n");
int cluster_counter = 0;
for (LibraryCollections coll : library_collections) {
gb_printf("\tsubgraph cluster_%i {\n", cluster_counter);
gb_printf("\t\tlabel = \"%.*s\";\n", LIT(coll.name));
gb_printf("\t\tnode [style=filled, fillcolor=white];\n");
if (coll.name =="core") {
gb_printf("\t\tbgcolor = lightsalmon;\n");
} else if (coll.name =="vendor") {
gb_printf("\t\tbgcolor = lightblue;\n");
} else if (coll.name =="base") {
gb_printf("\t\tbgcolor = lightcoral;\n");
gb_printf("\t\tintrinsics;\n");
gb_printf("\t\tbuiltin;\n");
}
for (AstPackage *pkg : p->packages) {
if (string_starts_with(pkg->fullpath, coll.path)) {
gb_printf("\t\t\"%.*s\";\n", LIT(pkg->fullpath));
}
}
gb_printf("\t}\n");
cluster_counter += 1;
}
for (AstPackage *pkg : p->packages) {
for (int i = 0; i < pkg->files.count; i++) {
AstFile *file = pkg->files[i];
for(Ast *imp : file->imports) {
GB_ASSERT(imp->kind == Ast_ImportDecl);
bool exists = false;
for (int j = i + 1; j < pkg->files.count; j++) {
AstFile *other_file = pkg->files[j];
for(Ast *other_imp : other_file->imports) {
GB_ASSERT(other_imp->kind == Ast_ImportDecl);
if (0 == string_compare(imp->ImportDecl.fullpath, other_imp->ImportDecl.fullpath)) {
exists = true;
break;
}
}
if (exists) {
break;
}
}
if (exists) {
continue;
}
String path = imp->ImportDecl.fullpath;
if (imp->ImportDecl.package != nullptr) {
path = imp->ImportDecl.package->fullpath;
}
gb_printf("\t\"%.*s\" -> \"%.*s\";\n", LIT(pkg->fullpath), LIT(path));
}
}
}
gb_printf("}\n\n");
}
gb_internal void show_timings(Checker *c, Timings *t) {
Parser *p = c->parser;
isize lines = p->total_line_count;
@@ -2928,6 +3001,10 @@ gb_internal int print_show_help(String const arg0, String command, String option
print_usage_line(2, "Prints the whole command and arguments for calls to external tools like linker and assembler.");
}
if (print_flag("-show-import-graph")) {
print_usage_line(2, "Shows dot graph text format of the import graph of a project.");
}
if (print_flag("-show-timings")) {
print_usage_line(2, "Shows basic overview of the timings of different stages within the compiler in milliseconds.");
}
@@ -3976,6 +4053,9 @@ int main(int arg_count, char const **arg_ptr) {
if (build_context.show_timings) {
show_timings(checker, &global_timings);
}
if (build_context.show_import_graph) {
show_import_graph(checker);
}
return 0;
}
@@ -3987,6 +4067,9 @@ int main(int arg_count, char const **arg_ptr) {
if (build_context.show_timings) {
show_timings(checker, &global_timings);
}
if (build_context.show_import_graph) {
show_import_graph(checker);
}
if (global_error_collector.count != 0) {
return 1;
@@ -4020,6 +4103,9 @@ int main(int arg_count, char const **arg_ptr) {
if (build_context.show_timings) {
show_timings(checker, &global_timings);
}
if (build_context.show_import_graph) {
show_import_graph(checker);
}
if (build_context.export_dependencies_format != DependenciesExportUnspecified) {
export_dependencies(checker);
@@ -4051,6 +4137,9 @@ int main(int arg_count, char const **arg_ptr) {
if (build_context.show_timings) {
show_timings(checker, &global_timings);
}
if (build_context.show_import_graph) {
show_import_graph(checker);
}
if (build_context.export_dependencies_format != DependenciesExportUnspecified) {
export_dependencies(checker);
@@ -4096,6 +4185,9 @@ end_of_code_gen:;
if (build_context.show_timings) {
show_timings(checker, &global_timings);
}
if (build_context.show_import_graph) {
show_import_graph(checker);
}
if (run_output) {
String exe_name = path_to_string(heap_allocator(), build_context.build_paths[BuildPath_Output]);