136 lines
3.5 KiB
C++
136 lines
3.5 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmArgumentParser.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include "cmArgumentParserTypes.h"
|
|
#include "cmMakefile.h"
|
|
#include "cmMessageType.h"
|
|
#include "cmStringAlgorithms.h"
|
|
|
|
namespace ArgumentParser {
|
|
|
|
auto KeywordActionMap::Emplace(cm::string_view name, KeywordAction action)
|
|
-> std::pair<iterator, bool>
|
|
{
|
|
auto const it =
|
|
std::lower_bound(this->begin(), this->end(), name,
|
|
[](value_type const& elem, cm::string_view const& k) {
|
|
return elem.first < k;
|
|
});
|
|
return (it != this->end() && it->first == name)
|
|
? std::make_pair(it, false)
|
|
: std::make_pair(this->emplace(it, name, std::move(action)), true);
|
|
}
|
|
|
|
auto KeywordActionMap::Find(cm::string_view name) const -> const_iterator
|
|
{
|
|
auto const it =
|
|
std::lower_bound(this->begin(), this->end(), name,
|
|
[](value_type const& elem, cm::string_view const& k) {
|
|
return elem.first < k;
|
|
});
|
|
return (it != this->end() && it->first == name) ? it : this->end();
|
|
}
|
|
|
|
void Instance::Bind(bool& val)
|
|
{
|
|
val = true;
|
|
this->CurrentString = nullptr;
|
|
this->CurrentList = nullptr;
|
|
this->ExpectValue = false;
|
|
}
|
|
|
|
void Instance::Bind(std::string& val)
|
|
{
|
|
this->CurrentString = &val;
|
|
this->CurrentList = nullptr;
|
|
this->ExpectValue = true;
|
|
}
|
|
|
|
void Instance::Bind(Maybe<std::string>& val)
|
|
{
|
|
this->CurrentString = &val;
|
|
this->CurrentList = nullptr;
|
|
this->ExpectValue = false;
|
|
}
|
|
|
|
void Instance::Bind(MaybeEmpty<std::vector<std::string>>& val)
|
|
{
|
|
this->CurrentString = nullptr;
|
|
this->CurrentList = &val;
|
|
this->ExpectValue = false;
|
|
}
|
|
|
|
void Instance::Bind(NonEmpty<std::vector<std::string>>& val)
|
|
{
|
|
this->CurrentString = nullptr;
|
|
this->CurrentList = &val;
|
|
this->ExpectValue = true;
|
|
}
|
|
|
|
void Instance::Bind(std::vector<std::vector<std::string>>& val)
|
|
{
|
|
this->CurrentString = nullptr;
|
|
this->CurrentList = (static_cast<void>(val.emplace_back()), &val.back());
|
|
this->ExpectValue = false;
|
|
}
|
|
|
|
void Instance::Consume(cm::string_view arg)
|
|
{
|
|
auto const it = this->Bindings.Keywords.Find(arg);
|
|
if (it != this->Bindings.Keywords.end()) {
|
|
this->FinishKeyword();
|
|
this->Keyword = it->first;
|
|
if (this->Bindings.ParsedKeyword) {
|
|
this->Bindings.ParsedKeyword(*this, it->first);
|
|
}
|
|
it->second(*this);
|
|
return;
|
|
}
|
|
|
|
if (this->CurrentString != nullptr) {
|
|
this->CurrentString->assign(std::string(arg));
|
|
this->CurrentString = nullptr;
|
|
this->CurrentList = nullptr;
|
|
} else if (this->CurrentList != nullptr) {
|
|
this->CurrentList->emplace_back(arg);
|
|
} else if (this->UnparsedArguments != nullptr) {
|
|
this->UnparsedArguments->emplace_back(arg);
|
|
}
|
|
|
|
this->ExpectValue = false;
|
|
}
|
|
|
|
void Instance::FinishKeyword()
|
|
{
|
|
if (this->Keyword.empty()) {
|
|
return;
|
|
}
|
|
if (this->ExpectValue) {
|
|
if (this->ParseResults != nullptr) {
|
|
this->ParseResults->AddKeywordError(this->Keyword,
|
|
" missing required value\n");
|
|
}
|
|
if (this->Bindings.KeywordMissingValue) {
|
|
this->Bindings.KeywordMissingValue(*this, this->Keyword);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool ParseResult::MaybeReportError(cmMakefile& mf) const
|
|
{
|
|
if (*this) {
|
|
return false;
|
|
}
|
|
std::string e;
|
|
for (auto const& ke : this->KeywordErrors) {
|
|
e = cmStrCat(e, "Error after keyword \"", ke.first, "\":\n", ke.second);
|
|
}
|
|
mf.IssueMessage(MessageType::FATAL_ERROR, e);
|
|
return true;
|
|
}
|
|
|
|
} // namespace ArgumentParser
|