vcpkg/toolsrc/src/SourceParagraph.cpp
2017-09-01 17:22:55 -07:00

263 lines
9.7 KiB
C++

#include "pch.h"
#include "PackageSpec.h"
#include "SourceParagraph.h"
#include "Triplet.h"
#include "vcpkg_Checks.h"
#include "vcpkg_Maps.h"
#include "vcpkg_System.h"
#include "vcpkg_Util.h"
#include "vcpkg_expected.h"
namespace vcpkg
{
using namespace vcpkg::Parse;
namespace Fields
{
static const std::string BUILD_DEPENDS = "Build-Depends";
static const std::string DEFAULTFEATURES = "Default-Features";
static const std::string DESCRIPTION = "Description";
static const std::string FEATURE = "Feature";
static const std::string MAINTAINER = "Maintainer";
static const std::string SOURCE = "Source";
static const std::string SUPPORTS = "Supports";
static const std::string VERSION = "Version";
}
static span<const std::string> get_list_of_valid_fields()
{
static const std::string valid_fields[] = {
Fields::SOURCE,
Fields::VERSION,
Fields::DESCRIPTION,
Fields::MAINTAINER,
Fields::BUILD_DEPENDS,
};
return valid_fields;
}
void print_error_message(span<const std::unique_ptr<Parse::ParseControlErrorInfo>> error_info_list)
{
Checks::check_exit(VCPKG_LINE_INFO, error_info_list.size() > 0);
for (auto&& error_info : error_info_list)
{
Checks::check_exit(VCPKG_LINE_INFO, error_info != nullptr);
if (error_info->error)
{
System::println(
System::Color::error, "Error: while loading %s: %s", error_info->name, error_info->error.message());
}
}
bool have_remaining_fields = false;
for (auto&& error_info : error_info_list)
{
if (!error_info->extra_fields.empty())
{
System::println(System::Color::error,
"Error: There are invalid fields in the control file of %s",
error_info->name);
System::println("The following fields were not expected:\n\n %s\n",
Strings::join("\n ", error_info->extra_fields));
have_remaining_fields = true;
}
}
if (have_remaining_fields)
{
System::println("This is the list of valid fields (case-sensitive): \n\n %s\n",
Strings::join("\n ", get_list_of_valid_fields()));
System::println("Different source may be available for vcpkg. Use .\\bootstrap-vcpkg.bat to update.\n");
}
for (auto&& error_info : error_info_list)
{
if (!error_info->missing_fields.empty())
{
System::println(System::Color::error,
"Error: There are missing fields in the control file of %s",
error_info->name);
System::println("The following fields were missing:\n\n %s\n",
Strings::join("\n ", error_info->missing_fields));
}
}
}
static ParseExpected<SourceParagraph> parse_source_paragraph(RawParagraph&& fields)
{
ParagraphParser parser(std::move(fields));
auto spgh = std::make_unique<SourceParagraph>();
parser.required_field(Fields::SOURCE, spgh->name);
parser.required_field(Fields::VERSION, spgh->version);
spgh->description = parser.optional_field(Fields::DESCRIPTION);
spgh->maintainer = parser.optional_field(Fields::MAINTAINER);
spgh->depends = expand_qualified_dependencies(parse_comma_list(parser.optional_field(Fields::BUILD_DEPENDS)));
spgh->supports = parse_comma_list(parser.optional_field(Fields::SUPPORTS));
spgh->default_features = parse_comma_list(parser.optional_field(Fields::DEFAULTFEATURES));
auto err = parser.error_info(spgh->name);
if (err)
return std::move(err);
else
return std::move(spgh);
}
static ParseExpected<FeatureParagraph> parse_feature_paragraph(RawParagraph&& fields)
{
ParagraphParser parser(std::move(fields));
auto fpgh = std::make_unique<FeatureParagraph>();
parser.required_field(Fields::FEATURE, fpgh->name);
parser.required_field(Fields::DESCRIPTION, fpgh->description);
fpgh->depends = expand_qualified_dependencies(parse_comma_list(parser.optional_field(Fields::BUILD_DEPENDS)));
auto err = parser.error_info(fpgh->name);
if (err)
return std::move(err);
else
return std::move(fpgh);
}
ParseExpected<SourceControlFile> SourceControlFile::parse_control_file(
std::vector<std::unordered_map<std::string, std::string>>&& control_paragraphs)
{
if (control_paragraphs.size() == 0)
{
return std::make_unique<Parse::ParseControlErrorInfo>();
}
auto control_file = std::make_unique<SourceControlFile>();
auto maybe_source = parse_source_paragraph(std::move(control_paragraphs.front()));
if (const auto source = maybe_source.get())
control_file->core_paragraph = std::move(*source);
else
return std::move(maybe_source).error();
control_paragraphs.erase(control_paragraphs.begin());
for (auto&& feature_pgh : control_paragraphs)
{
auto maybe_feature = parse_feature_paragraph(std::move(feature_pgh));
if (const auto feature = maybe_feature.get())
control_file->feature_paragraphs.emplace_back(std::move(*feature));
else
return std::move(maybe_feature).error();
}
return std::move(control_file);
}
Dependency Dependency::parse_dependency(std::string name, std::string qualifier)
{
Dependency dep;
dep.qualifier = qualifier;
if (auto maybe_features = Features::from_string(name))
dep.depend = *maybe_features.get();
else
Checks::exit_with_message(
VCPKG_LINE_INFO, "error while parsing dependency: %s: %s", to_string(maybe_features.error()), name);
return dep;
}
std::string Dependency::name() const
{
if (this->depend.features.empty()) return this->depend.name;
const std::string features = Strings::join(",", this->depend.features);
return Strings::format("%s[%s]", this->depend.name, features);
}
std::vector<Dependency> vcpkg::expand_qualified_dependencies(const std::vector<std::string>& depends)
{
return Util::fmap(depends, [&](const std::string& depend_string) -> Dependency {
auto pos = depend_string.find(' ');
if (pos == std::string::npos) return Dependency::parse_dependency(depend_string, Strings::EMPTY);
// expect of the form "\w+ \[\w+\]"
Dependency dep;
dep.depend.name = depend_string.substr(0, pos);
if (depend_string.c_str()[pos + 1] != '(' || depend_string[depend_string.size() - 1] != ')')
{
// Error, but for now just slurp the entire string.
return Dependency::parse_dependency(depend_string, Strings::EMPTY);
}
dep.qualifier = depend_string.substr(pos + 2, depend_string.size() - pos - 3);
return dep;
});
}
std::vector<std::string> filter_dependencies(const std::vector<vcpkg::Dependency>& deps, const Triplet& t)
{
std::vector<std::string> ret;
for (auto&& dep : deps)
{
if (dep.qualifier.empty() || t.canonical_name().find(dep.qualifier) != std::string::npos)
{
ret.emplace_back(dep.name());
}
}
return ret;
}
std::vector<FeatureSpec> filter_dependencies_to_specs(const std::vector<Dependency>& deps, const Triplet& t)
{
return FeatureSpec::from_strings_and_triplet(filter_dependencies(deps, t), t);
}
std::string to_string(const Dependency& dep) { return dep.name(); }
ExpectedT<Supports, std::vector<std::string>> Supports::parse(const std::vector<std::string>& strs)
{
Supports ret;
std::vector<std::string> unrecognized;
for (auto&& str : strs)
{
if (str == "x64")
ret.architectures.push_back(Architecture::X64);
else if (str == "x86")
ret.architectures.push_back(Architecture::X86);
else if (str == "arm")
ret.architectures.push_back(Architecture::ARM);
else if (str == "windows")
ret.platforms.push_back(Platform::WINDOWS);
else if (str == "uwp")
ret.platforms.push_back(Platform::UWP);
else if (str == "v140")
ret.toolsets.push_back(ToolsetVersion::V140);
else if (str == "v141")
ret.toolsets.push_back(ToolsetVersion::V141);
else if (str == "crt-static")
ret.crt_linkages.push_back(Linkage::STATIC);
else if (str == "crt-dynamic")
ret.crt_linkages.push_back(Linkage::DYNAMIC);
else
unrecognized.push_back(str);
}
if (unrecognized.empty())
return std::move(ret);
else
return std::move(unrecognized);
}
bool Supports::is_supported(Architecture arch, Platform plat, Linkage crt, ToolsetVersion tools)
{
const auto is_in_or_empty = [](auto v, auto&& c) -> bool { return c.empty() || c.end() != Util::find(c, v); };
if (!is_in_or_empty(arch, architectures)) return false;
if (!is_in_or_empty(plat, platforms)) return false;
if (!is_in_or_empty(crt, crt_linkages)) return false;
if (!is_in_or_empty(tools, toolsets)) return false;
return true;
}
}