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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmCxxModuleMapper.h"
#include <cassert>
#include <sstream>
#include <vector>
#include "cmScanDepFormat.h"
cm::optional<std::string> CxxModuleLocations::BmiGeneratorPathForModule(
std::string const& logical_name) const
{
if (auto l = this->BmiLocationForModule(logical_name)) {
return this->PathForGenerator(*l);
}
return {};
}
namespace {
std::string CxxModuleMapContentGcc(CxxModuleLocations const& loc,
cmScanDepInfo const& obj)
{
std::stringstream mm;
// Documented in GCC's documentation. The format is a series of
// lines with a module name and the associated filename separated
// by spaces. The first line may use `$root` as the module name
// to specify a "repository root". That is used to anchor any
// relative paths present in the file (CMake should never
// generate any).
// Write the root directory to use for module paths.
mm << "$root " << loc.RootDirectory << "\n";
for (auto const& p : obj.Provides) {
if (auto bmi_loc = loc.BmiGeneratorPathForModule(p.LogicalName)) {
mm << p.LogicalName << ' ' << *bmi_loc << '\n';
}
}
for (auto const& r : obj.Requires) {
if (auto bmi_loc = loc.BmiGeneratorPathForModule(r.LogicalName)) {
mm << r.LogicalName << ' ' << *bmi_loc << '\n';
}
}
return mm.str();
}
}
cm::static_string_view CxxModuleMapExtension(
cm::optional<CxxModuleMapFormat> format)
{
if (format) {
switch (*format) {
case CxxModuleMapFormat::Gcc:
return ".gcm"_s;
}
}
return ".bmi"_s;
}
std::string CxxModuleMapContent(CxxModuleMapFormat format,
CxxModuleLocations const& loc,
cmScanDepInfo const& obj)
{
switch (format) {
case CxxModuleMapFormat::Gcc:
return CxxModuleMapContentGcc(loc, obj);
}
assert(false);
return {};
}
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