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Refactor cmake generation

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vcpkg-wip
Duncan Ogilvie 4 years ago
parent 1af0b5f1cc
commit f2dbd1fcb8
2 changed files with 339 additions and 402 deletions
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10
CMakeLists.txt
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@ -76,8 +76,10 @@ target_link_libraries(cmkr PRIVATE
) )
install( install(
TARGETS cmkr TARGETS
DESTINATION ${CMAKE_INSTALL_PREFIX}/bin cmkr
COMPONENT cmkr DESTINATION
"${CMAKE_INSTALL_PREFIX}/bin"
COMPONENT
cmkr
) )

731
src/cmkrlib/gen.cpp
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@ -16,8 +16,6 @@
namespace cmkr { namespace cmkr {
namespace gen { namespace gen {
namespace detail {
inline std::string to_upper(const std::string &str) { inline std::string to_upper(const std::string &str) {
std::string temp; std::string temp;
temp.reserve(str.size()); temp.reserve(str.size());
@ -65,7 +63,18 @@ static std::vector<std::string> expand_cmake_path(const fs::path &p) {
return temp; return temp;
} }
} // namespace detail static std::vector<std::string> expand_cmake_paths(const std::vector<std::string> &sources) {
// TODO: add duplicate checking
std::vector<std::string> result;
for (const auto &src : sources) {
auto path = fs::path(src);
auto expanded = expand_cmake_path(path);
for (const auto &f : expanded) {
result.push_back(f);
}
}
return result;
}
int generate_project(const char *str) { int generate_project(const char *str) {
fs::create_directory("src"); fs::create_directory("src");
@ -76,12 +85,12 @@ int generate_project(const char *str) {
std::string target; std::string target;
std::string dest; std::string dest;
if (!strcmp(str, "executable")) { if (!strcmp(str, "executable")) {
mainbuf = detail::format(hello_world, "main"); mainbuf = format(hello_world, "main");
installed = "targets"; installed = "targets";
target = dir_name; target = dir_name;
dest = "bin"; dest = "bin";
} else if (!strcmp(str, "static") || !strcmp(str, "shared") || !strcmp(str, "library")) { } else if (!strcmp(str, "static") || !strcmp(str, "shared") || !strcmp(str, "library")) {
mainbuf = detail::format(hello_world, "test"); mainbuf = format(hello_world, "test");
installed = "targets"; installed = "targets";
target = dir_name; target = dir_name;
dest = "lib"; dest = "lib";
@ -94,7 +103,7 @@ int generate_project(const char *str) {
"! Supported types are: executable, library, shared, static, interface"); "! Supported types are: executable, library, shared, static, interface");
} }
const auto tomlbuf = detail::format(cmake_toml, dir_name.c_str(), dir_name.c_str(), str, installed.c_str(), target.c_str(), dest.c_str()); const auto tomlbuf = format(cmake_toml, dir_name.c_str(), dir_name.c_str(), str, installed.c_str(), target.c_str(), dest.c_str());
if (strcmp(str, "interface")) { if (strcmp(str, "interface")) {
std::ofstream ofs("src/main.cpp"); std::ofstream ofs("src/main.cpp");
@ -121,15 +130,6 @@ struct CommandEndl {
void endl() { ss << '\n'; } void endl() { ss << '\n'; }
}; };
template <typename T>
struct NamedArg {
std::string name;
T value;
NamedArg() = default;
NamedArg(std::string name, T value) : name(std::move(name)), value(std::move(value)) {}
};
// Credit: JustMagic // Credit: JustMagic
struct Command { struct Command {
std::stringstream &ss; std::stringstream &ss;
@ -182,11 +182,11 @@ struct Command {
return true; return true;
} }
had_newline = true;
for (const auto &value : vec) { for (const auto &value : vec) {
ss << '\n' << indent(depth + 1) << quote(value); print_arg(value);
} }
had_newline = true;
first_arg = false;
return true; return true;
} }
@ -197,25 +197,9 @@ struct Command {
} }
for (const auto &itr : map) { for (const auto &itr : map) {
ss << '\n' << indent(depth + 1) << itr.first; print_arg(itr);
ss << '\n' << indent(depth + 2) << quote(itr.second);
} }
had_newline = true;
first_arg = false;
return true;
}
bool print_arg(const std::string &value) {
if (value.empty()) {
return true;
}
if (first_arg) {
first_arg = false;
} else {
ss << (had_newline ? '\n' : ' ');
}
ss << quote(value);
return true; return true;
} }
@ -225,40 +209,57 @@ struct Command {
return true; return true;
} }
ss << '\n' << indent(depth + 1) << kv.first; had_newline = true;
print_arg(kv.first);
depth++;
for (const auto &s : kv.second) { for (const auto &s : kv.second) {
ss << '\n' << indent(depth + 2) << quote(s); print_arg(s);
} }
had_newline = true; depth--;
first_arg = false;
return true; return true;
} }
template <class K, class V> template <class K, class V>
bool print_arg(const std::pair<K, V> &kv) { bool print_arg(const std::pair<K, V> &kv) {
std::stringstream tmp;
tmp << kv.second;
auto str = tmp.str();
if (kv.second.empty()) { if (kv.second.empty()) {
return true; return true;
} }
ss << '\n' << indent(depth + 1) << kv.first;
ss << '\n' << indent(depth + 2) << quote(kv.second);
had_newline = true; had_newline = true;
first_arg = false; print_arg(kv.first);
depth++;
print_arg(str);
depth--;
return true; return true;
} }
template <class T> template <class T>
bool print_arg(const T &value) { bool print_arg(const T &value, bool indentation = true) {
if (first_arg) {
first_arg = false;
} else {
ss << (had_newline ? '\n' : ' ');
}
std::stringstream tmp; std::stringstream tmp;
tmp << value; tmp << value;
ss << quote(tmp.str()); auto str = tmp.str();
if (str.empty()) {
return true;
}
if (indentation) {
if (had_newline) {
first_arg = false;
ss << '\n' << indent(depth + 1);
} else if (first_arg) {
first_arg = false;
} else {
ss << ' ';
}
}
ss << quote(str);
return true; return true;
} }
@ -275,416 +276,350 @@ struct Command {
}; };
int generate_cmake(const char *path, bool root) { int generate_cmake(const char *path, bool root) {
if (fs::exists(fs::path(path) / "cmake.toml")) { if (!fs::exists(fs::path(path) / "cmake.toml")) {
cmake::CMake cmake(path, false); throw std::runtime_error("No cmake.toml found!");
std::stringstream ss; }
int indent = 0;
auto cmd = [&ss, &indent](const std::string &command) {
if (command.empty())
throw std::invalid_argument("command cannot be empty");
if (command == "if") {
indent++;
return Command(ss, indent - 1, command);
} else if (command == "else" || command == "elseif") {
return Command(ss, indent - 1, command);
} else if (command == "endif") {
indent--;
}
return Command(ss, indent, command);
};
auto comment = [&ss](const std::string &comment) {
ss << "# " << comment << '\n';
return CommandEndl(ss);
};
auto endl = [&ss]() { ss << '\n'; };
auto tolf = [](const std::string &str) {
std::string result;
for (char ch : str) {
if (ch != '\r') {
result += ch;
}
}
return result;
};
comment("This file was generated automatically by cmkr.").endl();
if (!cmake.cmake_before.empty()) { // Helper lambdas for more convenient CMake generation
ss << tolf(cmake.cmake_before) << "\n\n"; std::stringstream ss;
int indent = 0;
auto cmd = [&ss, &indent](const std::string &command) {
if (command.empty())
throw std::invalid_argument("command cannot be empty");
if (command == "if") {
indent++;
return Command(ss, indent - 1, command);
} else if (command == "else" || command == "elseif") {
return Command(ss, indent - 1, command);
} else if (command == "endif") {
indent--;
}
return Command(ss, indent, command);
};
auto comment = [&ss](const std::string &comment) {
ss << "# " << comment << '\n';
return CommandEndl(ss);
};
auto endl = [&ss]() { ss << '\n'; };
auto tolf = [](const std::string &str) {
std::string result;
for (char ch : str) {
if (ch != '\r') {
result += ch;
}
} }
return result;
if (!cmake.include_before.empty()) { };
for (const auto &file : cmake.include_before) { auto inject_includes = [&cmd, &endl](const std::vector<std::string> &includes) {
if (!includes.empty()) {
for (const auto &file : includes) {
// TODO: warn/error if file doesn't exist? // TODO: warn/error if file doesn't exist?
cmd("include")(file); cmd("include")(file);
} }
endl(); endl();
} }
};
auto inject_cmake = [&ss, &tolf](const std::string &cmake) {
if (!cmake.empty()) {
ss << tolf(cmake) << "\n\n";
}
};
if (root) { comment("This file was generated automatically by cmkr.").endl();
comment("Regenerate CMakeLists.txt file when necessary"); // TODO: add link with proper documentation
cmd("include")(cmake.cmkr_include, "OPTIONAL", "RESULT_VARIABLE", "CMKR_INCLUDE_RESULT").endl();
// clang-format off cmake::CMake cmake(path, false);
cmd("if")("CMKR_INCLUDE_RESULT");
cmd("cmkr")();
cmd("endif")().endl();
// clang-format on
cmd("cmake_minimum_required")("VERSION", cmake.cmake_version).endl(); if (root) {
comment("Regenerate CMakeLists.txt file when necessary");
cmd("include")(cmake.cmkr_include, "OPTIONAL", "RESULT_VARIABLE", "CMKR_INCLUDE_RESULT").endl();
cmd("set_property")("GLOBAL", "PROPERTY", "USE_FOLDERS", "ON").endl(); // clang-format off
} cmd("if")("CMKR_INCLUDE_RESULT");
cmd("cmkr")();
cmd("endif")().endl();
// clang-format on
// TODO: remove support and replace with global compile-features cmd("cmake_minimum_required")("VERSION", cmake.cmake_version).endl();
if (!cmake.cppflags.empty()) {
ss << "set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} \"";
for (const auto &flag : cmake.cppflags) {
ss << flag << " ";
}
ss << "\")\n\n";
}
// TODO: remove support and replace with global compile-features cmd("set_property")("GLOBAL", "PROPERTY", "USE_FOLDERS", "ON").endl();
if (!cmake.cflags.empty()) { }
ss << "set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} \"";
for (const auto &flag : cmake.cflags) {
ss << flag << " ";
}
ss << "\")\n\n";
}
// TODO: remove support and replace with global linker-flags // TODO: remove support and replace with global compile-features
if (!cmake.linkflags.empty()) { if (!cmake.cppflags.empty()) {
ss << "set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} \""; ss << "set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} \"";
for (const auto &flag : cmake.linkflags) { for (const auto &flag : cmake.cppflags) {
ss << flag << " "; ss << flag << " ";
}
ss << "\")\n\n";
} }
ss << "\")\n\n";
}
if (!cmake.project_name.empty()) { // TODO: remove support and replace with global compile-features
auto languages = std::make_pair("LANGUAGES", cmake.project_languages); if (!cmake.cflags.empty()) {
auto version = std::make_pair("VERSION", cmake.project_version); ss << "set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} \"";
auto description = std::make_pair("DESCRIPTION", cmake.project_description); for (const auto &flag : cmake.cflags) {
cmd("project")(cmake.project_name, languages, version, description).endl(); ss << flag << " ";
} }
ss << "\")\n\n";
}
if (!cmake.cmake_after.empty()) { // TODO: remove support and replace with global linker-flags
ss << tolf(cmake.cmake_after) << "\n\n"; if (!cmake.linkflags.empty()) {
ss << "set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} \"";
for (const auto &flag : cmake.linkflags) {
ss << flag << " ";
} }
ss << "\")\n\n";
}
if (!cmake.include_after.empty()) { inject_includes(cmake.include_before);
for (const auto &file : cmake.include_after) { inject_cmake(cmake.cmake_before);
// TODO: warn/error if file doesn't exist?
cmd("include")(file); if (!cmake.project_name.empty()) {
} auto languages = std::make_pair("LANGUAGES", cmake.project_languages);
endl(); auto version = std::make_pair("VERSION", cmake.project_version);
auto description = std::make_pair("DESCRIPTION", cmake.project_description);
cmd("project")(cmake.project_name, languages, version, description).endl();
}
inject_includes(cmake.include_after);
inject_cmake(cmake.cmake_after);
if (!cmake.packages.empty()) {
for (const auto &dep : cmake.packages) {
auto version = dep.version;
if (version == "*")
version.clear();
auto required = dep.required ? "REQUIRED" : "";
auto components = std::make_pair("COMPONENTS", dep.components);
cmd("find_package")(dep.name, version, required, components).endl();
} }
}
if (!cmake.packages.empty()) { if (!cmake.contents.empty()) {
for (const auto &dep : cmake.packages) { cmd("include")("FetchContent").endl();
ss << "find_package(" << dep.name << ' '; for (const auto &dep : cmake.contents) {
if (dep.version != "*") { cmd("message")("STATUS", "Fetching " + dep.first + "...");
ss << dep.version << " "; ss << "FetchContent_Declare(\n\t" << dep.first << "\n";
} for (const auto &arg : dep.second) {
if (dep.required) { std::string first_arg = arg.first;
ss << "REQUIRED "; if (first_arg == "git") {
} first_arg = "GIT_REPOSITORY";
if (!dep.components.empty()) { } else if (first_arg == "tag") {
ss << "COMPONENTS "; first_arg = "GIT_TAG";
for (const auto &comp : dep.components) { } else if (first_arg == "svn") {
ss << comp << " "; first_arg = "SVN_REPOSITORY";
} } else if (first_arg == "rev") {
first_arg = "SVN_REVISION";
} else if (first_arg == "url") {
first_arg = "URL";
} else if (first_arg == "hash") {
first_arg = "URL_HASH";
} else {
// don't change arg
} }
ss << ")\n\n"; ss << "\t" << first_arg << "\n\t\t" << arg.second << "\n";
} }
ss << ")\n";
cmd("FetchContent_MakeAvailable")(dep.first).endl();
} }
}
if (!cmake.contents.empty()) { if (!cmake.options.empty()) {
ss << "include(FetchContent)\n\n"; for (const auto &opt : cmake.options) {
for (const auto &dep : cmake.contents) { cmd("option")(opt.name, opt.comment, opt.val ? "ON" : "OFF");
ss << "message(STATUS \"Fetching " << dep.first << "...\")\n";
ss << "FetchContent_Declare(\n\t" << dep.first << "\n";
for (const auto &arg : dep.second) {
std::string first_arg = arg.first;
if (first_arg == "git") {
first_arg = "GIT_REPOSITORY";
} else if (first_arg == "tag") {
first_arg = "GIT_TAG";
} else if (first_arg == "svn") {
first_arg = "SVN_REPOSITORY";
} else if (first_arg == "rev") {
first_arg = "SVN_REVISION";
} else if (first_arg == "url") {
first_arg = "URL";
} else if (first_arg == "hash") {
first_arg = "URL_HASH";
} else {
// don't change arg
}
ss << "\t" << first_arg << " " << arg.second << "\n";
}
ss << ")\n"
<< "FetchContent_MakeAvailable(" << dep.first << ")\n\n";
}
} }
endl();
}
if (!cmake.options.empty()) { if (!cmake.settings.empty()) {
for (const auto &opt : cmake.options) { for (const auto &set : cmake.settings) {
ss << "option(" << opt.name << " \"" << opt.comment << "\" " << (opt.val ? "ON" : "OFF") << ")\n\n"; std::string set_val;
if (set.val.index() == 1) {
set_val = mpark::get<1>(set.val);
} else {
set_val = mpark::get<0>(set.val) ? "ON" : "OFF";
} }
}
if (!cmake.settings.empty()) { if (set.cache) {
for (const auto &set : cmake.settings) { auto typ = set.val.index() == 1 ? "STRING" : "BOOL";
std::string set_val; auto force = set.force ? "FORCE" : "";
if (set.val.index() == 1) { cmd("set")(set.name, set_val, typ, set.comment, force);
set_val = mpark::get<1>(set.val); } else {
} else { cmd("set")(set.name, set_val);
set_val = mpark::get<0>(set.val) ? "ON" : "OFF";
}
ss << "set(" << set.name << " " << set_val;
;
if (set.cache) {
std::string typ;
if (set.val.index() == 1)
typ = "STRING";
else
typ = "BOOL";
ss << " CACHE " << typ << " \"" << set.comment << "\"";
if (set.force)
ss << " FORCE";
}
ss << ")\n\n";
} }
} }
endl();
}
// generate_cmake is called on these recursively later // generate_cmake is called on the subdirectories recursively later
if (!cmake.subdirs.empty()) { if (!cmake.subdirs.empty()) {
for (const auto &dir : cmake.subdirs) { for (const auto &dir : cmake.subdirs) {
// clang-format off // clang-format off
cmd("set")("CMKR_CMAKE_FOLDER", "${CMAKE_FOLDER}"); cmd("set")("CMKR_CMAKE_FOLDER", "${CMAKE_FOLDER}");
cmd("if")("CMAKE_FOLDER"); cmd("if")("CMAKE_FOLDER");
cmd("set")("CMAKE_FOLDER", "${CMAKE_FOLDER}/" + dir); cmd("set")("CMAKE_FOLDER", "${CMAKE_FOLDER}/" + dir);
cmd("else")(); cmd("else")();
cmd("set")("CMAKE_FOLDER", dir); cmd("set")("CMAKE_FOLDER", dir);
cmd("endif")(); cmd("endif")();
// clang-format on // clang-format on
cmd("add_subdirectory")(dir); cmd("add_subdirectory")(dir);
cmd("set")("CMAKE_FOLDER", "${CMKR_CMAKE_FOLDER}").endl(); cmd("set")("CMAKE_FOLDER", "${CMKR_CMAKE_FOLDER}").endl();
}
endl();
} }
endl();
}
if (!cmake.targets.empty()) { if (!cmake.targets.empty()) {
for (const auto &target : cmake.targets) { for (const auto &target : cmake.targets) {
comment("Target " + target.name); comment("Target " + target.name);
if (!target.cmake_before.empty()) { inject_includes(target.include_before);
ss << tolf(target.cmake_before) << "\n\n"; inject_cmake(target.cmake_before);
}
if (!target.include_before.empty()) { if (!target.sources.empty()) {
for (const auto &file : target.include_before) { auto sources = expand_cmake_paths(target.sources);
// TODO: warn/error if file doesn't exist? if (sources.empty()) {
cmd("include")(file); throw std::runtime_error(target.name + " sources wildcard found 0 files");
}
endl();
} }
if (target.type != cmake::target_interface) {
if (!target.sources.empty()) { // Do not add cmake.toml twice
// TODO: add duplicate checking if (std::find(sources.begin(), sources.end(), "cmake.toml") == sources.end()) {
std::vector<std::string> sources; sources.push_back("cmake.toml");
for (const auto &src : target.sources) {
auto path = fs::path(src);
auto expanded = detail::expand_cmake_path(path);
for (const auto &f : expanded) {
sources.push_back(f);
}
}
if (sources.empty()) {
throw std::runtime_error(target.name + " sources wildcard found 0 files");
} }
if (target.type != cmake::target_interface) {
// Do not add cmake.toml twice
if (std::find(sources.begin(), sources.end(), "cmake.toml") == sources.end()) {
sources.push_back("cmake.toml");
}
}
cmd("set")(target.name + "_SOURCES", sources).endl();
}
std::string add_command;
std::string target_type;
std::string target_scope;
switch (target.type) {
case cmake::target_executable:
add_command = "add_executable";
target_type = "";
target_scope = "PRIVATE";
break;
case cmake::target_library:
add_command = "add_library";
target_type = "";
target_scope = "PUBLIC";
break;
case cmake::target_shared:
add_command = "add_library";
target_type = "SHARED";
target_scope = "PUBLIC";
break;
case cmake::target_static:
add_command = "add_library";
target_type = "STATIC";
target_scope = "PUBLIC";
break;
case cmake::target_interface:
add_command = "add_library";
target_type = "INTERFACE";
target_scope = "INTERFACE";
break;
case cmake::target_custom:
// TODO: add proper support, this is hacky
add_command = "add_custom_target";
target_type = "SOURCES";
target_scope = "PUBLIC";
break;
default:
assert("Unimplemented enum value" && false);
} }
cmd("set")(target.name + "_SOURCES", sources).endl();
}
cmd(add_command)(target.name, target_type, "${" + target.name + "_SOURCES}").endl(); std::string add_command;
std::string target_type;
std::string target_scope;
switch (target.type) {
case cmake::target_executable:
add_command = "add_executable";
target_type = "";
target_scope = "PRIVATE";
break;
case cmake::target_library:
add_command = "add_library";
target_type = "";
target_scope = "PUBLIC";
break;
case cmake::target_shared:
add_command = "add_library";
target_type = "SHARED";
target_scope = "PUBLIC";
break;
case cmake::target_static:
add_command = "add_library";
target_type = "STATIC";
target_scope = "PUBLIC";
break;
case cmake::target_interface:
add_command = "add_library";
target_type = "INTERFACE";
target_scope = "INTERFACE";
break;
case cmake::target_custom:
// TODO: add proper support, this is hacky
add_command = "add_custom_target";
target_type = "SOURCES";
target_scope = "PUBLIC";
break;
default:
assert("Unimplemented enum value" && false);
}
if (!target.sources.empty()) { cmd(add_command)(target.name, target_type, "${" + target.name + "_SOURCES}").endl();
cmd("source_group")("TREE", "${CMAKE_CURRENT_SOURCE_DIR}", "FILES", "${" + target.name + "_SOURCES}").endl();
}
if (!target.alias.empty()) { if (!target.sources.empty()) {
cmd("add_library")(target.alias, "ALIAS", target.name); cmd("source_group")("TREE", "${CMAKE_CURRENT_SOURCE_DIR}", "FILES", "${" + target.name + "_SOURCES}").endl();
} }
auto target_cmd = [&](const char *command, const std::vector<std::string> &args) {
if (!args.empty()) {
cmd(command)(target.name, target_scope, args).endl();
}
};
target_cmd("target_compile_definitions", target.compile_definitions);
target_cmd("target_compile_features", target.compile_features);
target_cmd("target_compile_options", target.compile_options);
target_cmd("target_include_directories", target.include_directories);
target_cmd("target_link_directories", target.link_directories);
target_cmd("target_link_libraries", target.link_libraries);
target_cmd("target_precompile_headers", target.precompile_headers);
if (!target.properties.empty()) {
cmd("set_target_properties")(target.name, "PROPERTIES", target.properties).endl();
}
if (!target.cmake_after.empty()) { if (!target.alias.empty()) {
ss << tolf(target.cmake_after) << "\n\n"; cmd("add_library")(target.alias, "ALIAS", target.name);
} }
if (!target.include_after.empty()) { auto target_cmd = [&](const char *command, const std::vector<std::string> &args) {
for (const auto &file : target.include_after) { if (!args.empty()) {
// TODO: warn/error if file doesn't exist? cmd(command)(target.name, target_scope, args).endl();
cmd("include")(file);
}
endl();
} }
};
target_cmd("target_compile_definitions", target.compile_definitions);
target_cmd("target_compile_features", target.compile_features);
target_cmd("target_compile_options", target.compile_options);
target_cmd("target_include_directories", target.include_directories);
target_cmd("target_link_directories", target.link_directories);
target_cmd("target_link_libraries", target.link_libraries);
target_cmd("target_precompile_headers", target.precompile_headers);
if (!target.properties.empty()) {
cmd("set_target_properties")(target.name, "PROPERTIES", target.properties).endl();
} }
inject_includes(target.include_after);
inject_cmake(target.cmake_after);
} }
}
if (!cmake.tests.empty()) { if (!cmake.tests.empty()) {
cmd("include")("CTest"); cmd("include")("CTest");
cmd("enable_testing")().endl(); cmd("enable_testing")().endl();
for (const auto &test : cmake.tests) { for (const auto &test : cmake.tests) {
ss << "add_test(NAME " << test.name << " COMMAND " << test.cmd; auto name = std::make_pair("NAME", test.name);
if (!test.args.empty()) { auto command = std::make_pair("COMMAND", test.cmd);
for (const auto &arg : test.args) { cmd("add_test")(name, command, test.args).endl();
ss << " " << arg;
}
}
ss << ")\n\n";
}
} }
}
if (!cmake.installs.empty()) { if (!cmake.installs.empty()) {
for (const auto &inst : cmake.installs) { for (const auto &inst : cmake.installs) {
ss << "install(\n"; auto targets = std::make_pair("TARGETS", inst.targets);
if (!inst.targets.empty()) { auto dirs = std::make_pair("DIRS", inst.dirs);
ss << "\tTARGETS "; std::vector<std::string> files_data;
for (const auto &target : inst.targets) { if (!inst.files.empty()) {
ss << target << " "; files_data = expand_cmake_paths(inst.files);
} if (files_data.empty()) {
} throw std::runtime_error("[[install]] files wildcard did not resolve to any files");
if (!inst.dirs.empty()) {
ss << "\tDIRS ";
for (const auto &dir : inst.dirs) {
ss << dir << " ";
}
}
if (!inst.files.empty()) {
ss << "\tFILES ";
int files_added = 0;
for (const auto &file : inst.files) {
auto path = detail::expand_cmake_path(fs::path(file));
for (const auto &f : path) {
ss << f << " ";
files_added++;
}
}
if (files_added == 0) {
throw std::runtime_error("[[install]] files wildcard did not resolve to any files");
}
} }
if (!inst.configs.empty()) {
ss << "\tCONFIGURATIONS";
for (const auto &conf : inst.configs) {
ss << conf << " ";
}
}
ss << "\n\tDESTINATION " << inst.destination << "\n\t";
if (!inst.targets.empty())
ss << "COMPONENT " << inst.targets[0] << "\n)\n\n";
else
ss << "\n)\n\n";
} }
auto files = std::make_pair("FILES", inst.files);
auto configs = std::make_pair("CONFIGURATIONS", inst.configs);
auto destination = std::make_pair("DESTINATION", inst.destination);
auto component = std::make_pair("COMPONENT", inst.targets.empty() ? "" : inst.targets.front());
cmd("install")(targets, dirs, files, configs, destination, component);
} }
}
auto list_path = fs::path(path) / "CMakeLists.txt"; // Generate CMakeLists.txt
auto list_path = fs::path(path) / "CMakeLists.txt";
auto should_regenerate = [&list_path, &ss]() { auto should_regenerate = [&list_path, &ss]() {
if (!fs::exists(list_path)) if (!fs::exists(list_path))
return true; return true;
std::ifstream ifs(list_path, std::ios_base::binary); std::ifstream ifs(list_path, std::ios_base::binary);
if (!ifs.is_open()) { if (!ifs.is_open()) {
throw std::runtime_error("Failed to read " + list_path.string()); throw std::runtime_error("Failed to read " + list_path.string());
} }
std::string data((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>()); std::string data((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
return data != ss.str(); return data != ss.str();
}(); }();
if (should_regenerate) { if (should_regenerate) {
std::ofstream ofs(list_path, std::ios_base::binary); std::ofstream ofs(list_path, std::ios_base::binary);
if (ofs.is_open()) { if (ofs.is_open()) {
ofs << ss.str(); ofs << ss.str();
} else { } else {
throw std::runtime_error("Failed to write " + list_path.string()); throw std::runtime_error("Failed to write " + list_path.string());
}
} }
}
for (const auto &sub : cmake.subdirs) { for (const auto &sub : cmake.subdirs) {
if (fs::exists(fs::path(sub) / "cmake.toml")) if (fs::exists(fs::path(sub) / "cmake.toml"))
generate_cmake(sub.c_str(), false); generate_cmake(sub.c_str(), false);
}
} else {
throw std::runtime_error("No cmake.toml found!");
} }
return 0; return 0;
} }
} // namespace gen } // namespace gen

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