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Add support for target templates

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main
cursey 3 years ago
parent 61851d2bee
commit eed1e38407
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GPG Key ID: A6A7163A1B8FD42C
4 changed files with 165 additions and 66 deletions
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1
include/project_parser.hpp
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@ -165,6 +165,7 @@ struct Project {
std::vector<Install> installs;
tsl::ordered_map<std::string, std::string> conditions;
std::vector<Subdir> subdirs;
std::vector<Target> templates;
Project(const Project *parent, const std::string &path, bool build);
};

119
src/project_parser.cpp
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@ -96,6 +96,36 @@ class TomlChecker {
visit(ky);
}
template <typename T>
void optional_append(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;
T *dest = nullptr;
if (value.is_table()) {
if (value.contains(ky)) {
dest = &destination[key];
}
} else if (key == ky) {
dest = &destination[""];
}
if (dest != nullptr) {
const auto &items = toml::find<T>(m_v, ky);
dest->insert(dest->end(), items.begin(), items.end());
}
}
// 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>
@ -105,6 +135,17 @@ class TomlChecker {
visit(ky);
}
template <typename T>
void optional_append(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)) {
const auto &items = toml::find<T>(m_v, ky);
destination.insert(destination.end(), items.begin(), items.end());
}
visit(ky);
}
template <typename T>
void required(const toml::key &ky, T &destination) {
destination = toml::find<T>(m_v, ky);
@ -386,46 +427,69 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
throw std::runtime_error("[[bin]] has been renamed to [[target]]");
}
if (toml.contains("target")) {
const auto &ts = toml::find(toml, "target").as_table();
if (toml.contains("target") || toml.contains("template")) {
auto is_template = true;
for (const auto &itr : ts) {
for (const auto &ts : {&toml::find(toml, "template"), &toml::find(toml, "target")}) {
for (const auto &itr : ts->as_table()) {
const auto &value = itr.second;
auto &t = checker.create(value);
std::string template_name;
if (!is_template) {
t.optional("template", template_name);
}
Target target;
auto from_template = false;
if (!template_name.empty()) {
for (const auto & template_ : templates) {
if (template_name == template_.name) {
from_template = true;
target = template_;
}
}
if (!from_template) {
throw std::runtime_error("Could not find template named " + template_name);
}
}
target.name = itr.first;
auto &t = checker.create(value);
if (!from_template) {
std::string type;
t.required("type", type);
target.type = to_enum<TargetType>(type, "target type");
}
t.optional("headers", target.headers);
t.optional("sources", target.sources);
t.optional_append("headers", target.headers);
t.optional_append("sources", target.sources);
t.optional("compile-definitions", target.compile_definitions);
t.optional("private-compile-definitions", target.private_compile_definitions);
t.optional_append("compile-definitions", target.compile_definitions);
t.optional_append("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_append("compile-features", target.compile_features);
t.optional_append("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_append("compile-options", target.compile_options);
t.optional_append("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_append("include-directories", target.include_directories);
t.optional_append("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_append("link-directories", target.link_directories);
t.optional_append("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_append("link-libraries", target.link_libraries);
t.optional_append("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_append("link-options", target.link_options);
t.optional_append("private-link-options", target.private_link_options);
t.optional("precompile-headers", target.precompile_headers);
t.optional("private-precompile-headers", target.private_precompile_headers);
t.optional_append("precompile-headers", target.precompile_headers);
t.optional_append("private-precompile-headers", target.private_precompile_headers);
if (!target.headers.empty()) {
auto &sources = target.sources.nth(0).value();
@ -470,13 +534,20 @@ Project::Project(const Project *parent, const std::string &path, bool build) {
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);
t.optional_append("include-before", target.include_before);
t.optional_append("include-after", target.include_after);
if (is_template) {
templates.push_back(target);
} else {
targets.push_back(target);
}
}
is_template = false;
}
}
if (toml.contains("test")) {
const auto &ts = toml::find(toml, "test").as_array();
for (const auto &value : ts) {

18
tests/templates/cmake.toml
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@ -0,0 +1,18 @@
# A project using templates.
[project]
name = "templates"
description = "Template example"
[template.app]
type = "executable"
sources = ["src/templates.cpp"]
compile-definitions = ["IS_APP=true"]
[target.app-a]
template = "app"
compile-definitions = ["APP_A"]
[target.app-b]
template = "app"
compile-definitions = ["APP_B"]

9
tests/templates/src/templates.cpp
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@ -0,0 +1,9 @@
#include <cstdio>
int main() {
#if defined(APP_A)
puts("Hello from app A!");
#elif defined(APP_B)
puts("Hello from app B!");
#endif
}
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