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@ -14,11 +14,33 @@
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namespace cmkr {
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namespace cmkr {
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namespace gen {
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namespace gen {
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using LanguageExtensions = std::vector<std::string>;
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/*
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static tsl::ordered_map<std::string, LanguageExtensions> known_languages = {
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Location: CMake/share/cmake-3.26/Modules
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rg "set\(CMAKE_(.+)_SOURCE_FILE_EXTENSIONS"
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Links:
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- https://gitlab.kitware.com/cmake/cmake/-/issues/24340
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- https://cmake.org/cmake/help/latest/command/enable_language.html
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*/
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static tsl::ordered_map<std::string, std::vector<std::string>> known_languages = {
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{"ASM", {".s", ".S", ".asm", ".abs", ".msa", ".s90", ".s43", ".s85", ".s51"}},
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{"ASM-ATT", {".s", ".asm"}},
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{"ASM_MARMASM", {".asm"}},
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{"ASM_MASM", {".asm"}},
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{"ASM_NASM", {".nasm", ".asm"}},
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{"C", {".c", ".m"}},
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{"C", {".c", ".m"}},
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{"CXX", {".C", ".M", ".c++", ".cc", ".cpp", ".cxx", ".mm", ".CPP"}},
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{"CSharp", {".cs"}},
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{"CSharp", {".cs"}},
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{"CUDA", {".cu"}},
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{"CXX", {".C", ".M", ".c++", ".cc", ".cpp", ".cxx", ".m", ".mm", ".mpp", ".CPP", ".ixx", ".cppm"}},
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{"Fortran", {".f", ".F", ".fpp", ".FPP", ".f77", ".F77", ".f90", ".F90", ".for", ".For", ".FOR", ".f95", ".F95", ".cuf", ".CUF"}},
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{"HIP", {".hip"}},
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{"ISPC", {".ispc"}},
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{"Java", {".java"}},
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{"OBJC", {".m"}},
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{"OBJCXX", {".M", ".m", ".mm"}},
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{"RC", {".rc", ".RC"}},
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{"Swift", {".swift"}},
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};
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};
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static std::string format(const char *format, tsl::ordered_map<std::string, std::string> variables) {
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static std::string format(const char *format, tsl::ordered_map<std::string, std::string> variables) {
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@ -520,7 +542,11 @@ void generate_cmake(const char *path, const parser::Project *parent_project) {
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for (auto const &lang : project.project_languages) {
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for (auto const &lang : project.project_languages) {
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if (known_languages.find(lang) == known_languages.end()) {
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if (known_languages.find(lang) == known_languages.end()) {
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throw std::runtime_error("Unknown language specified: " + lang);
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if (project.project_allow_unknown_languages) {
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printf("Unknown language '%s' specified\n", lang.c_str());
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} else {
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throw std::runtime_error("Unknown language '" + lang + "' specified");
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}
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}
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}
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}
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}
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@ -851,6 +877,31 @@ void generate_cmake(const char *path, const parser::Project *parent_project) {
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gen.conditional_cmake(subdir.cmake_after);
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gen.conditional_cmake(subdir.cmake_after);
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}
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}
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// The implicit default is ["C", "CXX"], so make sure this list isn't
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// empty or projects without languages explicitly defined will error.
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auto project_languages = project.project_languages;
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if (project_languages.empty())
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project_languages = {"C", "CXX"};
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// All acceptable extensions based off our given languages.
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tsl::ordered_set<std::string> project_extensions;
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for (const auto &language : project_languages) {
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auto itr = known_languages.find(language);
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if (itr != known_languages.end()) {
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project_extensions.insert(itr->second.begin(), itr->second.end());
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}
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}
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auto contains_language_source = [&project_extensions](const std::vector<std::string>& sources) {
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for (const auto &source : sources) {
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auto extension = fs::path(source).extension().string();
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if (project_extensions.count(extension) > 0) {
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return true;
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}
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}
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return false;
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};
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if (!project.targets.empty()) {
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if (!project.targets.empty()) {
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auto project_root = project.root();
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auto project_root = project.root();
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for (size_t i = 0; i < project.targets.size(); i++) {
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for (size_t i = 0; i < project.targets.size(); i++) {
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@ -961,57 +1012,19 @@ void generate_cmake(const char *path, const parser::Project *parent_project) {
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throw std::runtime_error(target.name + " " + source_key + " wildcard found 0 files");
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throw std::runtime_error(target.name + " " + source_key + " wildcard found 0 files");
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}
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}
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// For non-interface targets, ensure there is a source file linked for the project's languages.
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// Make sure there are source files for the languages used by the project
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if (target.type != parser::target_interface) {
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switch (target.type) {
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// The implicit default is ["C", "CXX"], so make sure this list isn't
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case parser::target_executable:
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// empty or projects without languages explicitly defined will error.
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case parser::target_library:
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auto proj_languages = project.project_languages;
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case parser::target_shared:
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if (proj_languages.empty())
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case parser::target_static:
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proj_languages = {"C", "CXX"};
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case parser::target_object:
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if (!contains_language_source(sources)) {
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// All acceptable extensions based off our given languages.
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tsl::ordered_set<std::string> proj_extensions = [&]() {
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tsl::ordered_set<std::string> exts;
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for (auto it = known_languages.begin(); it != known_languages.end(); ++it) {
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if (std::find(proj_languages.begin(), proj_languages.end(), it->first) == proj_languages.end()) {
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continue;
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}
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// Add all extensions of this language into the list
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for (auto const &ext : it->second) {
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exts.insert(ext);
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}
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}
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return exts;
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}();
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bool has_hit_def = false;
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for (auto &source : sources) {
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fs::path path = source;
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if (!path.has_extension()) {
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continue;
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}
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auto ext = path.extension().string();
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// Only test lower-case variant of the extension
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static auto asciitolower = [](char in) -> char {
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if (in <= 'Z' && in >= 'A')
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return in - ('Z' - 'z');
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return in;
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};
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std::transform(ext.begin(), ext.end(), ext.begin(), asciitolower);
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// Check if we've hit an acceptable project extensions
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if (std::find(proj_extensions.begin(), proj_extensions.end(), ext) != proj_extensions.end()) {
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has_hit_def = true;
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break;
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}
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}
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if (!has_hit_def) {
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throw std::runtime_error("There were no source files linked within the target " + target.name);
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throw std::runtime_error("There were no source files linked within the target " + target.name);
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}
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}
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break;
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default:
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break;
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}
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}
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if (sources_with_set) {
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if (sources_with_set) {
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