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WIP DSL for generating cmake

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toml-checker
Duncan Ogilvie 4 years ago
parent 173c5e0f58
commit 00969ee77d
5 changed files with 176 additions and 97 deletions
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2
.clang-format
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@ -42,7 +42,7 @@ BreakBeforeTernaryOperators: true
BreakConstructorInitializersBeforeComma: false
BreakConstructorInitializers: BeforeColon
BreakStringLiterals: true
ColumnLimit: 100
ColumnLimit: 150
CommentPragmas: '^ IWYU pragma:'
CompactNamespaces: false
ConstructorInitializerAllOnOneLineOrOnePerLine: false

18
CMakeLists.txt
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@ -19,7 +19,7 @@ include(FetchContent)
message(STATUS "Fetching filesystem...")
FetchContent_Declare(
filesystem
GIT_REPOSITORY https://github.com/gulrak/filesystem
URL https://github.com/gulrak/filesystem/archive/v1.5.2.tar.gz
)
FetchContent_MakeAvailable(filesystem)
@ -33,11 +33,11 @@ FetchContent_MakeAvailable(mpark_variant)
message(STATUS "Fetching toml11...")
FetchContent_Declare(
toml11
GIT_REPOSITORY https://github.com/ToruNiina/toml11
URL https://github.com/ToruNiina/toml11/archive/v3.6.0.tar.gz
)
FetchContent_MakeAvailable(toml11)
set(CMKRLIB_SOURCES
set(cmkrlib_SOURCES
src/cmkrlib/args.cpp
src/cmkrlib/build.cpp
src/cmkrlib/cmake.cpp
@ -55,9 +55,9 @@ set(CMKRLIB_SOURCES
cmake.toml
)
add_library(cmkrlib STATIC ${CMKRLIB_SOURCES})
add_library(cmkrlib STATIC ${cmkrlib_SOURCES})
source_group(TREE ${PROJECT_SOURCE_DIR} FILES ${CMKRLIB_SOURCES})
source_group(TREE ${PROJECT_SOURCE_DIR} FILES ${cmkrlib_SOURCES})
target_include_directories(cmkrlib PUBLIC
include
@ -73,16 +73,16 @@ target_compile_features(cmkrlib PUBLIC
cxx_std_11
)
set(CMKR_SOURCES
set(cmkr_SOURCES
src/main.cpp
cmake.toml
)
add_executable(cmkr ${CMKR_SOURCES})
add_executable(cmkr ${cmkr_SOURCES})
source_group(TREE ${PROJECT_SOURCE_DIR} FILES ${CMKR_SOURCES})
source_group(TREE ${PROJECT_SOURCE_DIR} FILES ${cmkr_SOURCES})
target_link_libraries(cmkr PUBLIC
target_link_libraries(cmkr PRIVATE
cmkrlib
)

4
cmake.toml
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@ -6,8 +6,8 @@ name = "cmkr"
version = "0.1.3"
[fetch-content]
toml11 = { git = "https://github.com/ToruNiina/toml11" }
filesystem = { git = "https://github.com/gulrak/filesystem" }
toml11 = { url = "https://github.com/ToruNiina/toml11/archive/v3.6.0.tar.gz" }
filesystem = { url = "https://github.com/gulrak/filesystem/archive/v1.5.2.tar.gz" }
mpark_variant = { url = "https://github.com/mpark/variant/archive/v1.4.0.tar.gz" }
[[target]]

244
src/cmkrlib/gen.cpp
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@ -4,12 +4,13 @@
#include "literals.h"
#include "fs.hpp"
#include <cassert>
#include <cstdio>
#include <cstring>
#include <fstream>
#include <new>
#include <sstream>
#include <stdexcept>
#include <stdio.h>
#include <string.h>
#include <string>
namespace cmkr {
@ -43,15 +44,13 @@ static std::vector<std::string> expand_cmake_path(const fs::path &p) {
auto stem = p.filename().stem().string();
auto ext = p.extension();
if (stem == "*") {
for (const auto &f : fs::directory_iterator(
p.parent_path(), fs::directory_options::follow_directory_symlink)) {
for (const auto &f : fs::directory_iterator(p.parent_path(), fs::directory_options::follow_directory_symlink)) {
if (!f.is_directory() && f.path().extension() == ext) {
temp.push_back(f.path().string());
}
}
} else if (stem == "**") {
for (const auto &f : fs::recursive_directory_iterator(
p.parent_path(), fs::directory_options::follow_directory_symlink)) {
for (const auto &f : fs::recursive_directory_iterator(p.parent_path(), fs::directory_options::follow_directory_symlink)) {
if (!f.is_directory() && f.path().extension() == ext) {
temp.push_back(f.path().string());
}
@ -91,13 +90,11 @@ int generate_project(const char *str) {
target = "include/*.h";
dest = "include/" + dir_name;
} else {
throw std::runtime_error(
"Unknown project type " + std::string(str) +
"! Supported types are: executable, library, shared, static, interface");
throw std::runtime_error("Unknown project type " + std::string(str) +
"! 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 = detail::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")) {
std::ofstream ofs("src/main.cpp");
@ -118,26 +115,133 @@ int generate_project(const char *str) {
return 0;
}
struct CommandEndl {
std::stringstream &ss;
CommandEndl(std::stringstream &ss) : ss(ss) {}
void endl() { ss << '\n'; }
};
// Credit: JustMagic
struct Command {
std::stringstream &ss;
int depth = 0;
std::string command;
bool first_arg = true;
bool generated = false;
Command(std::stringstream &ss, int depth, const std::string &command) : ss(ss), depth(depth), command(command) {}
~Command() {
if (!generated) {
assert(false && "Incorrect usage of cmd()");
}
}
const char *indent(int n) {
for (int i = 0; i < n; i++) {
ss << '\t';
}
return "";
}
template <class T>
bool print_arg(const std::vector<T> &vec) {
if (vec.empty()) {
return true;
}
ss << '\n';
for (const auto &value : vec) {
ss << indent(depth + 1) << value << '\n';
}
return true;
}
template <class Key, class Value>
bool print_arg(const std::map<Key, Value> &map) {
if (map.empty()) {
return true;
}
ss << '\n';
for (const auto &itr : map) {
ss << indent(depth + 1) << itr.first << ' ' << itr.second << '\n';
}
return true;
}
bool print_arg(const std::string &value) {
if (value.empty()) {
return true;
}
if (first_arg) {
first_arg = false;
} else {
ss << ' ';
}
ss << value;
return true;
}
template <class T>
bool print_arg(const T &value) {
if (first_arg) {
first_arg = false;
} else {
ss << ' ';
}
ss << value;
return true;
}
template <class... Ts>
CommandEndl operator()(Ts &&... values) {
generated = true;
ss << indent(depth) << command << '(';
std::initializer_list<bool>{print_arg(values)...};
ss << ")\n";
return CommandEndl(ss);
}
};
int generate_cmake(const char *path) {
if (fs::exists(fs::path(path) / "cmake.toml")) {
cmake::CMake cmake(path, false);
std::stringstream ss;
ss << "# This file was generated automatically by cmkr.\n";
ss << "\n";
ss << "# Regenerate CMakeLists.txt file when necessary\n";
ss << "include(cmkr.cmake OPTIONAL RESULT_VARIABLE CMKR_INCLUDE_RESULT)\n\n";
ss << "if(CMKR_INCLUDE_RESULT)\n";
ss << "\tcmkr()\n";
ss << "endif()\n";
ss << "\n";
int indent = 0;
auto cmd = [&ss, &indent](const std::string &command) {
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 char *comment) {
ss << "# " << comment << '\n';
return CommandEndl(ss);
};
auto endl = [&ss]() { ss << '\n'; };
comment("This file was generated automatically by cmkr.").endl();
ss << "cmake_minimum_required(VERSION " << cmake.cmake_version << ")\n";
ss << "\n";
comment("Regenerate CMakeLists.txt file when necessary");
cmd("include")("cmkr.cmake", "OPTIONAL", "RESULT_VARIABLE", "CMKR_INCLUDE_RESULT").endl();
ss << "set_property(GLOBAL PROPERTY USE_FOLDERS ON)\n";
ss << "\n";
cmd("if")("CMKR_INCLUDE_RESULT");
cmd("cmkr")();
cmd("endif")().endl();
cmd("cmake_minimum_required")("VERSION", cmake.cmake_version).endl();
cmd("set_property")("GLOBAL", "PROPERTY", "USE_FOLDERS", "ON").endl();
// TODO: remove support and replace with global compile-features
if (!cmake.cppflags.empty()) {
ss << "set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} \"";
for (const auto &flag : cmake.cppflags) {
@ -146,6 +250,7 @@ int generate_cmake(const char *path) {
ss << "\")\n\n";
}
// TODO: remove support and replace with global compile-features
if (!cmake.cflags.empty()) {
ss << "set(CMAKE_C_FLAGS ${CMAKE_C_FLAGS} \"";
for (const auto &flag : cmake.cflags) {
@ -154,6 +259,7 @@ int generate_cmake(const char *path) {
ss << "\")\n\n";
}
// TODO: remove support and replace with global linker-flags
if (!cmake.linkflags.empty()) {
ss << "set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} \"";
for (const auto &flag : cmake.linkflags) {
@ -162,23 +268,24 @@ int generate_cmake(const char *path) {
ss << "\")\n\n";
}
// TODO: support cmake.toml subdirectory generation
if (!cmake.subdirs.empty()) {
for (const auto &dir : cmake.subdirs) {
ss << "add_subdirectory(" << dir << ")\n";
cmd("add_subdirectory")(dir);
}
ss << "\n\n";
ss << '\n';
}
if (!cmake.proj_name.empty() && !cmake.proj_version.empty()) {
ss << "set(" << cmake.proj_name << "_PROJECT_VERSION " << cmake.proj_version << ")\n"
<< "project(" << cmake.proj_name << " VERSION "
<< "${" << cmake.proj_name << "_PROJECT_VERSION}"
<< ")\n\n";
auto name = cmake.proj_name;
auto version = cmake.proj_version;
cmd("set")(name + "_PROJECT_VERSION", version);
cmd("project")(name, "VERSION", "${" + name + "_PROJECT_VERSION}").endl();
}
if (!cmake.packages.empty()) {
for (const auto &dep : cmake.packages) {
ss << "find_package(" << dep.name << " ";
ss << "find_package(" << dep.name << ' ';
if (dep.version != "*") {
ss << dep.version << " ";
}
@ -226,8 +333,7 @@ int generate_cmake(const char *path) {
if (!cmake.options.empty()) {
for (const auto &opt : cmake.options) {
ss << "option(" << opt.name << " \"" << opt.comment << "\" "
<< (opt.val ? "ON" : "OFF") << ")\n\n";
ss << "option(" << opt.name << " \"" << opt.comment << "\" " << (opt.val ? "ON" : "OFF") << ")\n\n";
}
}
@ -259,104 +365,77 @@ int generate_cmake(const char *path) {
for (const auto &target : cmake.targets) {
std::string add_command;
std::string target_type;
std::string target_scope;
if (target.type == "executable") {
add_command = "add_executable";
target_type = "";
} else if (target.type == "shared" || target.type == "static" ||
target.type == "interface") {
target_scope = "PRIVATE";
} else if (target.type == "shared" || target.type == "static" || target.type == "interface") {
add_command = "add_library";
target_type = detail::to_upper(target.type);
target_scope = target_type == "INTERFACE" ? target_type : "PUBLIC";
} else if (target.type == "library") {
add_command = "add_library";
target_type = "";
target_scope = "PUBLIC";
} else {
throw std::runtime_error(
"Unknown binary type " + target.type +
"! Supported types are: executable, library, shared, static, interface");
throw std::runtime_error("Unknown binary type " + target.type +
"! Supported types are: executable, library, shared, static, interface");
}
if (!target.sources.empty()) {
ss << "set(" << detail::to_upper(target.name) << "_SOURCES\n";
int sources_added = 0;
std::vector<std::string> sources;
for (const auto &src : target.sources) {
auto path = fs::path(src);
auto expanded = detail::expand_cmake_path(path);
for (const auto &f : expanded) {
ss << "\t" << f << "\n";
sources_added++;
sources.push_back(f);
}
}
if (sources_added == 0) {
if (sources.empty()) {
throw std::runtime_error(target.name + " sources wildcard found 0 files");
}
if (target.type != "interface") {
ss << "\tcmake.toml\n";
sources.push_back("cmake.toml");
}
ss << ")\n\n";
cmd("set")(target.name + "_SOURCES", sources).endl();
}
ss << add_command << "(" << target.name;
if (!target_type.empty()) {
ss << " " << target_type;
}
cmd(add_command)(target.name, target_type, "${" + target.name + "_SOURCES}").endl();
if (!target.sources.empty()) {
ss << " ${" << detail::to_upper(target.name) << "_SOURCES})\n\n";
ss << "source_group(TREE ${PROJECT_SOURCE_DIR} FILES ${"
<< detail::to_upper(target.name) << "_SOURCES})\n\n";
} else {
ss << ")\n\n";
cmd("source_group")("TREE", "${PROJECT_SOURCE_DIR}", "FILES", "${" + target.name + "_SOURCES}").endl();
}
if (!target.alias.empty()) {
ss << "add_library(" << target.alias << " ALIAS " << target.name << ")\n\n";
cmd("add_library")(target.alias, "ALIAS", target.name);
}
if (!target.include_directories.empty()) {
ss << "target_include_directories(" << target.name << " PUBLIC\n";
for (const auto &inc : target.include_directories) {
ss << "\t" << inc << "\n";
}
ss << ")\n\n";
cmd("target_include_directories")(target.name, target_scope, target.include_directories).endl();
}
if (!target.link_libraries.empty()) {
ss << "target_link_libraries(" << target.name << " PUBLIC\n";
for (const auto &l : target.link_libraries) {
ss << "\t" << l << "\n";
}
ss << ")\n\n";
cmd("target_link_libraries")(target.name, target_scope, target.link_libraries).endl();
}
if (!target.compile_features.empty()) {
ss << "target_compile_features(" << target.name << " PUBLIC\n";
for (const auto &feat : target.compile_features) {
ss << "\t" << feat << "\n";
}
ss << ")\n\n";
cmd("target_compile_features")(target.name, target_scope, target.compile_features).endl();
}
if (!target.compile_definitions.empty()) {
ss << "target_compile_definitions(" << target.name << " PUBLIC\n";
for (const auto &def : target.compile_definitions) {
ss << "\t" << def << "\n";
}
ss << ")\n\n";
cmd("target_compile_definitions")(target.name, target_scope, target.compile_definitions).endl();
}
if (!target.properties.empty()) {
ss << "set_target_properties(" << target.name << " PROPERTIES\n";
for (const auto &prop : target.properties) {
ss << "\t" << prop.first << " " << prop.second << "\n";
}
ss << ")\n\n";
cmd("set_target_properties")(target.name, "PROPERTIES", target.properties).endl();
}
}
}
if (!cmake.tests.empty()) {
ss << "include(CTest)\n"
<< "enable_testing()\n\n";
cmd("include")("CTest");
cmd("enable_testing")().endl();
for (const auto &test : cmake.tests) {
ss << "add_test(NAME " << test.name << " COMMAND " << test.cmd;
if (!test.args.empty()) {
@ -394,8 +473,7 @@ int generate_cmake(const char *path) {
}
}
if (files_added == 0) {
throw std::runtime_error(
"[[install]] files wildcard did not resolve to any files");
throw std::runtime_error("[[install]] files wildcard did not resolve to any files");
}
}
if (!inst.configs.empty()) {

5
src/main.cpp
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@ -1,8 +1,9 @@
#include "args.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <stdexcept>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char **argv) try {
auto output = cmkr::args::handle_args(argc, argv);

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