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#include "pch.h"
#include <ctime>
#include "strings.h"
#include "settings.h"
#include "type_writers.h"
#include "helpers.h"
#include "code_writers.h"
#include "component_writers.h"
#include "file_writers.h"
#include "type_writers.h"
namespace cppwinrt
{
settings_type settings;
struct usage_exception {};
static constexpr option options[]
{
{ "input", 0, option::no_max, "<spec>", "Windows metadata to include in projection" },
{ "reference", 0, option::no_max, "<spec>", "Windows metadata to reference from projection" },
{ "output", 0, 1, "<path>", "Location of generated projection and component templates" },
{ "component", 0, 1, "[<path>]", "Generate component templates, and optional implementation" },
{ "name", 0, 1, "<name>", "Specify explicit name for component files" },
{ "verbose", 0, 0, {}, "Show detailed progress information" },
{ "overwrite", 0, 0, {}, "Overwrite generated component files" },
{ "prefix", 0, 0, {}, "Use dotted namespace convention for component files (defaults to folders)" },
{ "pch", 0, 1, "<name>", "Specify name of precompiled header file (defaults to pch.h)" },
{ "include", 0, option::no_max, "<prefix>", "One or more prefixes to include in input" },
{ "exclude", 0, option::no_max, "<prefix>", "One or more prefixes to exclude from input" },
{ "base", 0, 0, {}, "Generate base.h unconditionally" },
{ "optimize", 0, 0, {}, "Generate component projection with unified construction support" },
{ "help", 0, option::no_max, {}, "Show detailed help with examples" },
{ "?", 0, option::no_max, {}, {} },
{ "library", 0, 1, "<prefix>", "Specify library prefix (defaults to winrt)" },
{ "filter" }, // One or more prefixes to include in input (same as -include)
{ "license", 0, 0 }, // Generate license comment
{ "brackets", 0, 0 }, // Use angle brackets for #includes (defaults to quotes)
{ "fastabi", 0, 0 }, // Enable support for the Fast ABI
{ "ignore_velocity", 0, 0 }, // Ignore feature staging metadata and always include implementations
};
static void print_usage(writer& w)
{
static auto printColumns = [](writer& w, std::string_view const& col1, std::string_view const& col2)
{
w.write_printf(" %-20s%s\n", col1.data(), col2.data());
};
static auto printOption = [](writer& w, option const& opt)
{
if(opt.desc.empty())
{
return;
}
printColumns(w, w.write_temp("-% %", opt.name, opt.arg), opt.desc);
};
auto format = R"(
C++/WinRT v%
Copyright (c) Microsoft Corporation. All rights reserved.
cppwinrt.exe [options...]
Options:
% ^@<path> Response file containing command line options
Where <spec> is one or more of:
path Path to winmd file or recursively scanned folder
local Local ^%WinDir^%\System32\WinMetadata folder
sdk[+] Current version of Windows SDK [with extensions]
10.0.12345.0[+] Specific version of Windows SDK [with extensions]
)";
w.write(format, CPPWINRT_VERSION_STRING, bind_each(printOption, options));
}
static void process_args(reader const& args)
{
settings.verbose = args.exists("verbose");
settings.fastabi = args.exists("fastabi");
settings.input = args.files("input", database::is_database);
settings.reference = args.files("reference", database::is_database);
settings.component = args.exists("component");
settings.base = args.exists("base");
settings.license = args.exists("license");
settings.brackets = args.exists("brackets");
path output_folder = args.value("output");
create_directories(output_folder / "winrt/impl");
settings.output_folder = canonical(output_folder).string();
settings.output_folder += '\\';
for (auto && include : args.values("include"))
{
settings.include.insert(include);
}
for (auto && include : args.values("filter"))
{
settings.include.insert(include);
}
for (auto && exclude : args.values("exclude"))
{
settings.exclude.insert(exclude);
}
if (settings.component)
{
settings.component_overwrite = args.exists("overwrite");
settings.component_name = args.value("name");
if (settings.component_name.empty())
{
// For compatibility with C++/WinRT 1.0, the component_name defaults to the *first*
// input, hence the use of values() here that will return the args in input order.
auto& values = args.values("input");
if (!values.empty())
{
settings.component_name = path(values[0]).filename().replace_extension().string();
}
}
settings.component_pch = args.value("pch", "pch.h");
settings.component_prefix = args.exists("prefix");
settings.component_lib = args.value("library", "winrt");
settings.component_opt = args.exists("optimize");
settings.component_ignore_velocity = args.exists("ignore_velocity");
if (settings.component_pch == ".")
{
settings.component_pch.clear();
}
auto component = args.value("component");
if (!component.empty())
{
create_directories(component);
settings.component_folder = canonical(component).string();
settings.component_folder += '\\';
}
}
}
static auto get_files_to_cache()
{
std::vector<std::string> files;
files.insert(files.end(), settings.input.begin(), settings.input.end());
files.insert(files.end(), settings.reference.begin(), settings.reference.end());
return files;
}
static void build_filters(cache const& c)
{
if (settings.reference.empty())
{
return;
}
std::set<std::string> include;
for (auto file : settings.input)
{
auto db = std::find_if(c.databases().begin(), c.databases().end(), [&](auto&& db)
{
return db.path() == file;
});
for (auto&& type : db->TypeDef)
{
if (!type.Flags().WindowsRuntime())
{
continue;
}
std::string full_name{ type.TypeNamespace() };
full_name += '.';
full_name += type.TypeName();
include.insert(full_name);
}
}
settings.projection_filter = { include, {} };
settings.component_filter = { settings.include.empty() ? include : settings.include, settings.exclude };
}
static void build_fastabi_cache(cache const& c)
{
if (!settings.fastabi)
{
return;
}
for (auto&& [ns, members] : c.namespaces())
{
for (auto&& type : members.classes)
{
if (!has_fastabi(type))
{
continue;
}
auto default_interface = get_default_interface(type);
if (default_interface.type() == TypeDefOrRef::TypeDef)
{
settings.fastabi_cache.try_emplace(default_interface.TypeDef(), type);
}
else
{
settings.fastabi_cache.try_emplace(find_required(default_interface.TypeRef()), type);
}
}
}
}
static void remove_foundation_types(cache& c)
{
c.remove_type("Windows.Foundation", "DateTime");
c.remove_type("Windows.Foundation", "EventRegistrationToken");
c.remove_type("Windows.Foundation", "HResult");
c.remove_type("Windows.Foundation", "Point");
c.remove_type("Windows.Foundation", "Rect");
c.remove_type("Windows.Foundation", "Size");
c.remove_type("Windows.Foundation", "TimeSpan");
c.remove_type("Windows.Foundation.Numerics", "Matrix3x2");
c.remove_type("Windows.Foundation.Numerics", "Matrix4x4");
c.remove_type("Windows.Foundation.Numerics", "Plane");
c.remove_type("Windows.Foundation.Numerics", "Quaternion");
c.remove_type("Windows.Foundation.Numerics", "Vector2");
c.remove_type("Windows.Foundation.Numerics", "Vector3");
c.remove_type("Windows.Foundation.Numerics", "Vector4");
}
static int run(int const argc, char** argv)
{
int result{};
writer w;
try
{
auto start = get_start_time();
reader args{ argc, argv, options };
if (!args || args.exists("help") || args.exists("?"))
{
throw usage_exception{};
}
process_args(args);
cache c{ get_files_to_cache() };
remove_foundation_types(c);
build_filters(c);
settings.base = settings.base || (!settings.component && settings.projection_filter.empty());
build_fastabi_cache(c);
if (settings.verbose)
{
w.write(" tool: %\n", canonical(path(argv[0]).replace_extension("exe")).string());
w.write(" ver: %\n", CPPWINRT_VERSION_STRING);
for (auto&& file : settings.input)
{
w.write(" in: %\n", file);
}
for (auto&& file : settings.reference)
{
w.write(" ref: %\n", file);
}
w.write(" out: %\n", settings.output_folder);
if (!settings.component_folder.empty())
{
w.write(" cout: %\n", settings.component_folder);
}
}
w.flush_to_console();
task_group group;
writer ixx;
write_preamble(ixx);
ixx.write("module;\n");
ixx.write(strings::base_includes);
ixx.write("\nexport module winrt;\n#define WINRT_EXPORT export\n\n");
for (auto&&[ns, members] : c.namespaces())
{
if (!has_projected_types(members) || !settings.projection_filter.includes(members))
{
continue;
}
ixx.write("#include \"winrt/%.h\"\n", ns);
group.add([&, &ns = ns, &members = members]
{
write_namespace_0_h(ns, members);
write_namespace_1_h(ns, members);
write_namespace_2_h(ns, members);
write_namespace_h(c, ns, members);
});
}
if (settings.base)
{
write_base_h();
ixx.flush_to_file(settings.output_folder + "winrt/winrt.ixx");
}
if (settings.component)
{
std::vector<TypeDef> classes;
for (auto&&[ns, members] : c.namespaces())
{
for (auto&& type : members.classes)
{
if (settings.component_filter.includes(type))
{
classes.push_back(type);
}
}
}
if (!classes.empty())
{
write_fast_forward_h(classes);
write_module_g_cpp(classes);
for (auto&& type : classes)
{
write_component_g_h(type);
write_component_g_cpp(type);
write_component_h(type);
write_component_cpp(type);
}
}
}
group.get();
if (settings.verbose)
{
w.write(" time: %ms\n", get_elapsed_time(start));
}
}
catch (usage_exception const&)
{
print_usage(w);
}
catch (std::exception const& e)
{
w.write("cppwinrt : error %\n", e.what());
result = 1;
}
w.flush_to_console(result == 0);
return result;
}
}
int main(int const argc, char** argv)
{
return cppwinrt::run(argc, argv);
}