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GMLCompiler: Allow using GML in any kind of Userland program

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This is accomplished by detecting the Userland subdirectory from the GML
file's own path. Thereby, any Userland program, e.g. applet,
application, or even service, can use GML and the include paths of the
generated files will be correct.
This commit is contained in:
kleines Filmröllchen 2023-08-12 16:37:04 +02:00 committed by Andrew Kaster
parent 285119bc1a
commit aa741a1544
Notes: sideshowbarker 2024-07-17 02:37:08 +09:00 
Author: https://github.com/kleinesfilmroellchen
Commit: https://github.com/SerenityOS/serenity/commit/aa741a1544
Pull-request: https://github.com/SerenityOS/serenity/pull/20523
Reviewed-by: https://github.com/ADKaster
1 changed files with 15 additions and 9 deletions
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24
Meta/Lagom/Tools/CodeGenerators/GMLCompiler/main.cpp
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@ -6,6 +6,7 @@
#include <AK/Forward.h>
#include <AK/HashTable.h>
#include <AK/LexicalPath.h>
#include <AK/SourceGenerator.h>
#include <AK/String.h>
#include <AK/Try.h>
@ -78,7 +79,7 @@ static bool takes_deprecated_string(StringView property)
return deprecated_string_properties.contains(property);
}
static ErrorOr<String> include_path_for(StringView class_name)
static ErrorOr<String> include_path_for(StringView class_name, LexicalPath const& gml_file_name)
{
String pathed_name;
if (auto mapping = map_class_to_file(class_name); mapping.has_value())
@ -90,19 +91,24 @@ static ErrorOr<String> include_path_for(StringView class_name)
return String::formatted("<Lib{}.h>", pathed_name);
// We assume that all other paths are within the current application, for now.
return String::formatted("<Applications/{}.h>", pathed_name);
// To figure out what kind of userland program this is (application, service, ...) we consider the path to the original GML file.
auto const& paths = gml_file_name.parts_view();
auto path_iter = paths.find("Userland"sv);
path_iter++;
auto const userland_subdirectory = (path_iter == paths.end()) ? "Applications"_string : TRY(String::from_utf8(*path_iter));
return String::formatted("<{}/{}.h>", userland_subdirectory, pathed_name);
}
// Each entry is an include path, without the "#include" itself.
static ErrorOr<HashTable<String>> extract_necessary_includes(GUI::GML::Object const& gml_hierarchy)
static ErrorOr<HashTable<String>> extract_necessary_includes(GUI::GML::Object const& gml_hierarchy, LexicalPath const& gml_file_name)
{
HashTable<String> necessary_includes;
TRY(necessary_includes.try_set(TRY(include_path_for(gml_hierarchy.name()))));
TRY(necessary_includes.try_set(TRY(include_path_for(gml_hierarchy.name(), gml_file_name))));
if (gml_hierarchy.layout_object() != nullptr)
TRY(necessary_includes.try_set(TRY(include_path_for(gml_hierarchy.layout_object()->name()))));
TRY(necessary_includes.try_set(TRY(include_path_for(gml_hierarchy.layout_object()->name(), gml_file_name))));
TRY(gml_hierarchy.try_for_each_child_object([&](auto const& object) -> ErrorOr<void> {
auto necessary_child_includes = TRY(extract_necessary_includes(object));
auto necessary_child_includes = TRY(extract_necessary_includes(object, gml_file_name));
for (auto const& include : necessary_child_includes)
TRY(necessary_includes.try_set(include));
return {};
@ -323,7 +329,7 @@ static ErrorOr<void> generate_loader_for_object(GUI::GML::Object const& gml_obje
return {};
}
static ErrorOr<String> generate_cpp(NonnullRefPtr<GUI::GML::GMLFile> gml)
static ErrorOr<String> generate_cpp(NonnullRefPtr<GUI::GML::GMLFile> gml, LexicalPath const& gml_file_name)
{
StringBuilder builder;
SourceGenerator generator { builder };
@ -331,7 +337,7 @@ static ErrorOr<String> generate_cpp(NonnullRefPtr<GUI::GML::GMLFile> gml)
generator.append(header);
auto& main_class = gml->main_class();
auto necessary_includes = TRY(extract_necessary_includes(main_class));
auto necessary_includes = TRY(extract_necessary_includes(main_class, gml_file_name));
static String const always_necessary_includes[] = {
TRY(String::from_utf8("<AK/Error.h>"sv)),
TRY(String::from_utf8("<AK/JsonValue.h>"sv)),
@ -363,7 +369,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto gml_text = TRY(TRY(Core::File::open(gml_file_name, Core::File::OpenMode::Read))->read_until_eof());
auto parsed_gml = TRY(GUI::GML::parse_gml(gml_text));
auto generated_cpp = TRY(generate_cpp(parsed_gml));
auto generated_cpp = TRY(generate_cpp(parsed_gml, LexicalPath { gml_file_name }));
outln("{}", generated_cpp);
return 0;
}