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cmkr/src/cmkrlib/cmake.cpp

239 lines
10 KiB

#include "cmake.hpp"
#include "enum_helper.hpp"
#include "fs.hpp"
#include <stdexcept>
#include <toml.hpp>
#include <tsl/ordered_map.h>
template <>
const char *enumStrings<cmkr::cmake::TargetType>::data[] = {"executable", "library", "shared", "static", "interface", "custom"};
namespace cmkr {
namespace cmake {
using TomlBasicValue = toml::basic_value<toml::preserve_comments, tsl::ordered_map, std::vector>;
template <typename EnumType>
static EnumType to_enum(const std::string &str, const std::string &help_name) {
EnumType value;
try {
std::stringstream ss(str);
ss >> enumFromString(value);
} catch (std::invalid_argument &) {
std::string supported;
for (const auto &s : enumStrings<EnumType>::data) {
if (!supported.empty()) {
supported += ", ";
}
supported += s;
}
throw std::runtime_error("Unknown " + help_name + "'" + str + "'! Supported types are: " + supported);
}
return value;
}
static std::vector<std::string> optional_array(const TomlBasicValue &v, const toml::key &ky) {
return toml::find_or(v, ky, std::vector<std::string>());
};
CMake::CMake(const std::string &path, bool build) {
if (!fs::exists(fs::path(path) / "cmake.toml")) {
throw std::runtime_error("No cmake.toml was found!");
}
const auto toml = toml::parse<toml::preserve_comments, tsl::ordered_map, std::vector>((fs::path(path) / "cmake.toml").string());
if (build) {
if (toml.contains("cmake")) {
const auto &cmake = toml::find(toml, "cmake");
if (cmake.contains("bin-dir")) {
throw std::runtime_error("bin-dir has been renamed to build-dir");
}
build_dir = toml::find_or(cmake, "build-dir", build_dir);
generator = toml::find_or(cmake, "generator", generator);
config = toml::find_or(cmake, "config", config);
gen_args = optional_array(cmake, "arguments");
}
} else {
if (toml.contains("cmake")) {
const auto &cmake = toml::find(toml, "cmake");
cmake_version = toml::find(cmake, "version").as_string();
cmkr_include = toml::find_or(cmake, "cmkr-include", cmkr_include);
cppflags = optional_array(cmake, "cpp-flags");
cflags = optional_array(cmake, "c-flags");
linkflags = optional_array(cmake, "link-flags");
}
if (toml.contains("project")) {
const auto &project = toml::find(toml, "project");
project_name = toml::find(project, "name").as_string();
project_version = toml::find_or(project, "version", "");
project_description = toml::find_or(project, "description", "");
project_languages = optional_array(project, "languages");
cmake_before = toml::find_or(project, "cmake-before", "");
cmake_after = toml::find_or(project, "cmake-after", "");
include_before = optional_array(project, "include-before");
include_after = optional_array(project, "include-after");
subdirs = optional_array(project, "subdirs");
}
if (toml.contains("settings")) {
using set_map = std::map<std::string, TomlBasicValue>;
const auto &sets = toml::find<set_map>(toml, "settings");
for (const auto set : sets) {
Setting s;
s.name = set.first;
if (set.second.is_boolean()) {
s.val = set.second.as_boolean();
} else if (set.second.is_string()) {
s.val = set.second.as_string();
} else {
s.comment = toml::find_or(set.second, "comment", "");
if (set.second.contains("value")) {
auto v = toml::find(set.second, "value");
if (v.is_boolean()) {
s.val = v.as_boolean();
} else {
s.val = v.as_string();
}
}
s.cache = toml::find_or(set.second, "cache", false);
s.force = toml::find_or(set.second, "force", false);
}
settings.push_back(s);
}
}
if (toml.contains("options")) {
using opts_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &opts = toml::find<opts_map>(toml, "options");
for (const auto opt : opts) {
Option o;
o.name = opt.first;
if (opt.second.is_boolean()) {
o.val = opt.second.as_boolean();
} else {
o.comment = toml::find_or(opt.second, "comment", "");
o.val = toml::find_or(opt.second, "value", false);
}
options.push_back(o);
}
}
if (toml.contains("find-package")) {
using pkg_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &pkgs = toml::find<pkg_map>(toml, "find-package");
for (const auto &pkg : pkgs) {
Package p;
p.name = pkg.first;
if (pkg.second.is_string()) {
p.version = pkg.second.as_string();
} else {
p.version = toml::find_or(pkg.second, "version", p.version);
p.required = toml::find_or(pkg.second, "required", p.required);
p.config = toml::find_or(pkg.second, "config", p.config);
p.components = toml::find_or(pkg.second, "components", p.components);
}
packages.push_back(p);
}
}
// TODO: refactor to std::vector<Content> instead of this hacky thing?
contents = toml::find_or<decltype(contents)>(toml, "fetch-content", {});
if (toml.contains("bin")) {
throw std::runtime_error("[[bin]] has been renamed to [[target]]");
}
if (toml.contains("target")) {
const auto &ts = toml::find(toml, "target").as_table();
for (const auto &itr : ts) {
const auto &t = itr.second;
Target target;
target.name = itr.first;
target.type = to_enum<TargetType>(toml::find(t, "type").as_string(), "target type");
target.sources = optional_array(t, "sources");
#define renamed(from, to) \
if (t.contains(from)) { \
throw std::runtime_error(from "has been renamed to " to); \
}
renamed("include-dirs", "include-directories");
renamed("link-libs", "link-libraries");
renamed("defines", "compile-definitions");
renamed("features", "compile-features");
#undef renamed
target.compile_definitions = optional_array(t, "compile-definitions");
target.compile_features = optional_array(t, "compile-features");
target.compile_options = optional_array(t, "compile-options");
target.include_directories = optional_array(t, "include-directories");
target.link_directories = optional_array(t, "link-directories");
target.link_libraries = optional_array(t, "link-libraries");
target.link_options = optional_array(t, "link-options");
target.precompile_headers = optional_array(t, "precompile-headers");
if (t.contains("alias")) {
target.alias = toml::find(t, "alias").as_string();
}
if (t.contains("properties")) {
using prop_map = tsl::ordered_map<std::string, std::string>;
target.properties = toml::find<prop_map>(t, "properties");
}
target.cmake_before = toml::find_or(t, "cmake-before", target.cmake_before);
target.cmake_after = toml::find_or(t, "cmake-after", target.cmake_after);
target.include_before = optional_array(t, "include-before");
target.include_after = optional_array(t, "include-after");
targets.push_back(target);
}
}
if (toml.contains("test")) {
const auto &ts = toml::find(toml, "test").as_array();
for (const auto &t : ts) {
Test test;
test.name = toml::find(t, "name").as_string();
test.cmd = toml::find(t, "type").as_string();
test.args = optional_array(t, "arguments");
tests.push_back(test);
}
}
if (toml.contains("install")) {
const auto &ts = toml::find(toml, "install").as_array();
for (const auto &t : ts) {
Install inst;
inst.targets = optional_array(t, "targets");
inst.files = optional_array(t, "files");
inst.dirs = optional_array(t, "dirs");
inst.configs = optional_array(t, "configs");
inst.destination = toml::find(t, "destination").as_string();
installs.push_back(inst);
}
}
if (toml.contains("vcpkg")) {
const auto &v = toml::find(toml, "vcpkg");
vcpkg.version = toml::find(v, "version").as_string();
vcpkg.packages = toml::find<decltype(vcpkg.packages)>(v, "packages");
// This allows the user to use a custom pmm version if desired
if (contents.count("pmm") == 0) {
contents["pmm"]["url"] = "https://github.com/vector-of-bool/pmm/archive/refs/tags/1.5.1.tar.gz";
// Hack to not execute pmm's example CMakeLists.txt
contents["pmm"]["SOURCE_SUBDIR"] = "pmm";
}
}
}
}
} // namespace cmake
} // namespace cmkr