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cmkr/src/project_parser.cpp

598 lines
22 KiB

#include "project_parser.hpp"
#include "fs.hpp"
#include <deque>
#include <stdexcept>
#include <toml.hpp>
#include <tsl/ordered_map.h>
namespace cmkr {
namespace parser {
const char *targetTypeNames[target_last] = {"executable", "library", "shared", "static", "interface", "custom", "object", "template"};
static TargetType parse_targetType(const std::string &name) {
for (int i = 0; i < target_last; i++) {
if (name == targetTypeNames[i]) {
return static_cast<TargetType>(i);
}
}
return target_last;
}
using TomlBasicValue = toml::basic_value<toml::discard_comments, tsl::ordered_map, std::vector>;
static std::string format_key_error(const std::string &error, const toml::key &ky, const TomlBasicValue &value) {
auto loc = value.location();
auto line_number_str = std::to_string(loc.line());
auto line_width = line_number_str.length();
auto line_str = loc.line_str();
std::ostringstream oss;
oss << "[error] " << error << '\n';
oss << " --> " << loc.file_name() << ':' << loc.line() << '\n';
oss << std::string(line_width + 2, ' ') << "|\n";
oss << ' ' << line_number_str << " | " << line_str << '\n';
oss << std::string(line_width + 2, ' ') << '|';
auto key_start = line_str.substr(0, loc.column() - 1).rfind(ky);
if (key_start == std::string::npos) {
key_start = line_str.find(ky);
}
if (key_start != std::string::npos) {
oss << std::string(key_start + 1, ' ') << std::string(ky.length(), '~');
}
return oss.str();
}
class TomlChecker {
const TomlBasicValue &m_v;
tsl::ordered_map<toml::key, bool> m_visited;
tsl::ordered_map<toml::key, bool> m_conditionVisited;
public:
TomlChecker(const TomlBasicValue &v, const toml::key &ky) : m_v(toml::find(v, ky)) {}
TomlChecker(const TomlBasicValue &v) : m_v(v) {}
TomlChecker(const TomlChecker &) = delete;
TomlChecker(TomlChecker &&) = delete;
template <typename T>
void optional(const toml::key &ky, Condition<T> &destination) {
// TODO: this algorithm in O(n) over the amount of keys, kinda bad
const auto &table = m_v.as_table();
for (const auto &itr : table) {
const auto &key = itr.first;
const auto &value = itr.second;
if (value.is_table()) {
if (value.contains(ky)) {
destination[key] = toml::find<T>(value, ky);
}
} else if (key == ky) {
destination[""] = toml::find<T>(m_v, ky);
}
}
// Handle visiting logic
for (const auto &itr : destination) {
if (!itr.first.empty()) {
m_conditionVisited.emplace(itr.first, true);
}
}
visit(ky);
}
template <typename T>
void optional(const toml::key &ky, T &destination) {
// TODO: this currently doesn't allow you to get an optional map<string, X>
if (m_v.contains(ky)) {
destination = toml::find<T>(m_v, ky);
}
visit(ky);
}
template <typename T>
void required(const toml::key &ky, T &destination) {
destination = toml::find<T>(m_v, ky);
visit(ky);
}
bool contains(const toml::key &ky) {
visit(ky);
return m_v.contains(ky);
}
const TomlBasicValue &find(const toml::key &ky) {
visit(ky);
return toml::find(m_v, ky);
}
void visit(const toml::key &ky) { m_visited.emplace(ky, true); }
void check(const tsl::ordered_map<std::string, std::string> &conditions) const {
for (const auto &itr : m_v.as_table()) {
const auto &ky = itr.first;
if (m_conditionVisited.contains(ky)) {
if (!conditions.contains(ky)) {
throw std::runtime_error(format_key_error("Unknown condition '" + ky + "'", ky, itr.second));
}
for (const auto &jtr : itr.second.as_table()) {
if (!m_visited.contains(jtr.first)) {
throw std::runtime_error(format_key_error("Unknown key '" + jtr.first + "'", jtr.first, jtr.second));
}
}
} else if (!m_visited.contains(ky)) {
if (itr.second.is_table()) {
for (const auto &jtr : itr.second.as_table()) {
if (!m_visited.contains(jtr.first)) {
throw std::runtime_error(format_key_error("Unknown key '" + jtr.first + "'", jtr.first, jtr.second));
}
}
}
throw std::runtime_error(format_key_error("Unknown key '" + ky + "'", ky, itr.second));
} else if (ky == "condition") {
std::string condition = itr.second.as_string();
if (!conditions.contains(condition)) {
throw std::runtime_error(format_key_error("Unknown condition '" + condition + "'", condition, itr.second));
}
}
}
}
};
class TomlCheckerRoot {
std::deque<TomlChecker> m_checkers;
bool m_checked = false;
public:
TomlCheckerRoot() = default;
TomlCheckerRoot(const TomlCheckerRoot &) = delete;
TomlCheckerRoot(TomlCheckerRoot &&) = delete;
TomlChecker &create(const TomlBasicValue &v) {
m_checkers.emplace_back(v);
return m_checkers.back();
}
TomlChecker &create(const TomlBasicValue &v, const toml::key &ky) {
m_checkers.emplace_back(v, ky);
return m_checkers.back();
}
void check(const tsl::ordered_map<std::string, std::string> &conditions) {
for (const auto &checker : m_checkers) {
checker.check(conditions);
}
}
};
Project::Project(const Project *parent, const std::string &path, bool build) {
const auto toml_path = fs::path(path) / "cmake.toml";
if (!fs::exists(toml_path)) {
throw std::runtime_error("No cmake.toml was found!");
}
const auto toml = toml::parse<toml::discard_comments, tsl::ordered_map, std::vector>(toml_path.string());
TomlCheckerRoot checker;
if (toml.contains("cmake")) {
auto &cmake = checker.create(toml, "cmake");
cmake.required("version", cmake_version);
if (cmake.contains("bin-dir")) {
throw std::runtime_error("bin-dir has been renamed to build-dir");
}
cmake.optional("build-dir", build_dir);
cmake.optional("generator", generator);
cmake.optional("config", config);
cmake.optional("arguments", gen_args);
cmake.optional("allow-in-tree", allow_in_tree);
if (cmake.contains("cmkr-include")) {
const auto &cmkr_include_kv = cmake.find("cmkr-include");
if (cmkr_include_kv.is_string()) {
cmkr_include = cmkr_include_kv.as_string();
} else {
// Allow disabling this feature with cmkr-include = false
cmkr_include = "";
}
}
cmake.optional("cpp-flags", cppflags);
cmake.optional("c-flags", cflags);
cmake.optional("link-flags", linkflags);
}
// Skip the rest of the parsing when building
if (build) {
checker.check(conditions);
return;
}
// Reasonable default conditions (you can override these if you desire)
if (parent == nullptr) {
conditions["windows"] = R"cmake(WIN32)cmake";
conditions["macos"] = R"cmake(CMAKE_SYSTEM_NAME MATCHES "Darwin")cmake";
conditions["unix"] = R"cmake(UNIX)cmake";
conditions["bsd"] = R"cmake(CMAKE_SYSTEM_NAME MATCHES "BSD")cmake";
conditions["linux"] = conditions["lunix"] = R"cmake(CMAKE_SYSTEM_NAME MATCHES "Linux")cmake";
conditions["gcc"] = R"cmake(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "GNU")cmake";
conditions["clang"] = R"cmake(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "Clang")cmake";
conditions["msvc"] = R"cmake(MSVC)cmake";
conditions["root"] = R"cmake(CMKR_ROOT_PROJECT)cmake";
conditions["x64"] = R"cmake(CMAKE_SIZEOF_VOID_P EQUAL 8)cmake";
conditions["x32"] = R"cmake(CMAKE_SIZEOF_VOID_P EQUAL 4)cmake";
} else {
conditions = parent->conditions;
templates = parent->templates;
}
if (toml.contains("conditions")) {
auto conds = toml::find<decltype(conditions)>(toml, "conditions");
for (const auto &cond : conds) {
conditions[cond.first] = cond.second;
}
}
if (toml.contains("project")) {
auto &project = checker.create(toml, "project");
project.required("name", project_name);
project.optional("version", project_version);
project.optional("description", project_description);
project.optional("languages", project_languages);
project.optional("cmake-before", cmake_before);
project.optional("cmake-after", cmake_after);
project.optional("include-before", include_before);
project.optional("include-after", include_after);
project.optional("subdirs", project_subdirs);
}
if (toml.contains("subdir")) {
const auto &subs = toml::find(toml, "subdir").as_table();
for (const auto &itr : subs) {
Subdir subdir;
subdir.name = itr.first;
auto &sub = checker.create(itr.second);
sub.optional("condition", subdir.condition);
sub.optional("cmake-before", subdir.cmake_before);
sub.optional("cmake-after", subdir.cmake_after);
sub.optional("include-before", subdir.include_before);
sub.optional("include-after", subdir.include_after);
subdirs.push_back(subdir);
}
}
if (toml.contains("settings")) {
using set_map = tsl::ordered_map<std::string, TomlBasicValue>;
const auto &sets = toml::find<set_map>(toml, "settings");
for (const auto &itr : sets) {
Setting s;
s.name = itr.first;
const auto &value = itr.second;
if (value.is_boolean()) {
s.val = value.as_boolean();
} else if (value.is_string()) {
s.val = value.as_string();
} else {
auto &setting = checker.create(value);
setting.optional("comment", s.comment);
if (setting.contains("value")) {
const auto &v = setting.find("value");
if (v.is_boolean()) {
s.val = v.as_boolean();
} else {
s.val = v.as_string();
}
}
setting.optional("cache", s.cache);
setting.optional("force", s.force);
}
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 &itr : opts) {
Option o;
o.name = itr.first;
const auto &value = itr.second;
if (value.is_boolean()) {
o.val = value.as_boolean();
} else {
auto &option = checker.create(value);
option.optional("comment", o.comment);
option.optional("value", o.val);
}
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 &itr : pkgs) {
Package p;
p.name = itr.first;
const auto &value = itr.second;
if (itr.second.is_string()) {
p.version = itr.second.as_string();
} else {
auto &pkg = checker.create(value);
pkg.optional("condition", p.condition);
pkg.optional("version", p.version);
pkg.optional("required", p.required);
pkg.optional("config", p.config);
pkg.optional("components", p.components);
}
packages.push_back(p);
}
}
// TODO: perform checking here
if (toml.contains("fetch-content")) {
const auto &fc = toml::find(toml, "fetch-content").as_table();
for (const auto &itr : fc) {
Content content;
content.name = itr.first;
for (const auto &argItr : itr.second.as_table()) {
auto key = argItr.first;
if (key == "condition") {
content.condition = argItr.second.as_string();
continue;
}
if (key == "git") {
key = "GIT_REPOSITORY";
} else if (key == "tag") {
key = "GIT_TAG";
} else if (key == "svn") {
key = "SVN_REPOSITORY";
} else if (key == "rev") {
key = "SVN_REVISION";
} else if (key == "url") {
key = "URL";
} else if (key == "hash") {
key = "URL_HASH";
} else {
// don't change arg
}
content.arguments.emplace(key, argItr.second.as_string());
}
contents.emplace_back(std::move(content));
}
}
if (toml.contains("bin")) {
throw std::runtime_error("[[bin]] has been renamed to [[target]]");
}
auto parse_target = [&](const std::string &name, TomlChecker &t, bool isTemplate) {
Target target;
target.name = name;
t.required("type", target.type_name);
target.type = parse_targetType(target.type_name);
// Users cannot set this target type
if (target.type == target_template) {
target.type = target_last;
}
if (!isTemplate && target.type == target_last) {
for (const auto &tmplate : templates) {
if (target.type_name == tmplate.outline.name) {
target.type = target_template;
break;
}
}
}
if (target.type == target_last) {
std::string error = "Unknown target type '" + target.type_name + "'\n";
error += "Available types:\n";
for (std::string type_name : targetTypeNames) {
if (type_name != "template") {
error += " - " + type_name + "\n";
}
}
if (!isTemplate && !templates.empty()) {
error += "Available templates:\n";
for (const auto &tmplate : templates) {
error += " - " + tmplate.outline.name + "\n";
}
}
error.pop_back(); // Remove last newline
throw std::runtime_error(format_key_error(error, target.type_name, t.find("type")));
}
t.optional("headers", target.headers);
t.optional("sources", target.sources);
t.optional("compile-definitions", target.compile_definitions);
t.optional("private-compile-definitions", target.private_compile_definitions);
t.optional("compile-features", target.compile_features);
t.optional("private-compile-features", target.private_compile_features);
t.optional("compile-options", target.compile_options);
t.optional("private-compile-options", target.private_compile_options);
t.optional("include-directories", target.include_directories);
t.optional("private-include-directories", target.private_include_directories);
t.optional("link-directories", target.link_directories);
t.optional("private-link-directories", target.private_link_directories);
t.optional("link-libraries", target.link_libraries);
t.optional("private-link-libraries", target.private_link_libraries);
t.optional("link-options", target.link_options);
t.optional("private-link-options", target.private_link_options);
t.optional("precompile-headers", target.precompile_headers);
t.optional("private-precompile-headers", target.private_precompile_headers);
if (!target.headers.empty()) {
auto &sources = target.sources.nth(0).value();
const auto &headers = target.headers.nth(0)->second;
sources.insert(sources.end(), headers.begin(), headers.end());
}
t.optional("condition", target.condition);
t.optional("alias", target.alias);
if (t.contains("properties")) {
auto store_property = [&target](const toml::key &k, const TomlBasicValue &v, const std::string &condition) {
if (v.is_array()) {
std::string property_list;
for (const auto &list_val : v.as_array()) {
if (!property_list.empty()) {
property_list += ';';
}
property_list += list_val.as_string();
}
target.properties[condition][k] = property_list;
} else if (v.is_boolean()) {
target.properties[condition][k] = v.as_boolean() ? "ON" : "OFF";
} else {
target.properties[condition][k] = v.as_string();
}
};
const auto &props = t.find("properties").as_table();
for (const auto &propKv : props) {
const auto &k = propKv.first;
const auto &v = propKv.second;
if (v.is_table()) {
for (const auto &condKv : v.as_table()) {
store_property(condKv.first, condKv.second, k);
}
} else {
store_property(k, v, "");
}
}
}
t.optional("cmake-before", target.cmake_before);
t.optional("cmake-after", target.cmake_after);
t.optional("include-before", target.include_before);
t.optional("include-after", target.include_after);
return target;
};
if (toml.contains("template")) {
const auto &ts = toml::find(toml, "template").as_table();
for (const auto &itr : ts) {
auto &t = checker.create(itr.second);
const auto &name = itr.first;
for (const auto &type_name : targetTypeNames) {
if (name == type_name) {
throw std::runtime_error(format_key_error("Reserved template name '" + name + "'", name, itr.second));
}
}
for (const auto &tmplate : templates) {
if (name == tmplate.outline.name) {
throw std::runtime_error(format_key_error("Template '" + name + "' already defined", name, itr.second));
}
}
Template tmplate;
tmplate.outline = parse_target(name, t, true);
t.optional("add-function", tmplate.add_function);
t.optional("pass-sources-to-add-function", tmplate.pass_sources_to_add_function);
templates.push_back(tmplate);
}
}
if (toml.contains("target")) {
const auto &ts = toml::find(toml, "target").as_table();
for (const auto &itr : ts) {
auto &t = checker.create(itr.second);
targets.push_back(parse_target(itr.first, t, false));
}
}
if (toml.contains("test")) {
const auto &ts = toml::find(toml, "test").as_array();
for (const auto &value : ts) {
auto &t = checker.create(value);
Test test;
t.required("name", test.name);
t.optional("condition", test.condition);
t.optional("configurations", test.configurations);
t.optional("working-directory", test.working_directory);
t.required("command", test.command);
t.optional("arguments", test.arguments);
tests.push_back(test);
}
}
if (toml.contains("install")) {
const auto &is = toml::find(toml, "install").as_array();
for (const auto &value : is) {
auto &i = checker.create(value);
Install inst;
i.optional("condition", inst.condition);
i.optional("targets", inst.targets);
i.optional("files", inst.files);
i.optional("dirs", inst.dirs);
i.optional("configs", inst.configs);
i.required("destination", inst.destination);
installs.push_back(inst);
}
}
if (toml.contains("vcpkg")) {
auto &v = checker.create(toml, "vcpkg");
v.optional("url", vcpkg.url);
v.optional("version", vcpkg.version);
for (const auto &p : v.find("packages").as_array()) {
Vcpkg::Package package;
const auto &package_str = p.as_string().str;
const auto open_bracket = package_str.find('[');
const auto close_bracket = package_str.find(']', open_bracket);
if (open_bracket == std::string::npos && close_bracket == std::string::npos) {
package.name = package_str;
} else if (close_bracket != std::string::npos) {
package.name = package_str.substr(0, open_bracket);
const auto features = package_str.substr(open_bracket + 1, close_bracket - open_bracket - 1);
std::istringstream feature_stream{features};
std::string feature;
while (std::getline(feature_stream, feature, ',')) {
package.features.emplace_back(feature);
}
} else {
throw std::runtime_error("Invalid vcpkg package '" + package_str + "'");
}
vcpkg.packages.emplace_back(std::move(package));
}
}
checker.check(conditions);
}
bool is_root_path(const std::string &path) {
const auto toml_path = fs::path(path) / "cmake.toml";
if (!fs::exists(toml_path)) {
return false;
}
const auto toml = toml::parse<toml::discard_comments, tsl::ordered_map, std::vector>(toml_path.string());
return toml.contains("project");
}
} // namespace parser
} // namespace cmkr