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Move Menu Expression to Simple Namespace to have generic configurable expressions

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Jan
2021-11-24 17:44:14 +01:00
parent 4f2a8454a6
commit 38f3d7d10e
21 changed files with 619 additions and 407 deletions
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45
src/Parser/Parsing/Impl/DefinesStreamProxy.cpp
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@ -3,7 +3,52 @@
#include <sstream>
#include <utility>
#include "AbstractParser.h"
#include "ParserSingleInputStream.h"
#include "Parsing/ParsingException.h"
#include "Parsing/Simple/SimpleLexer.h"
#include "Parsing/Simple/Expression/ISimpleExpression.h"
class DefinesIfDirectiveParsingState
{
public:
std::unique_ptr<ISimpleExpression> m_expression;
};
class DefinesIfDirectiveParser final : public AbstractParser<SimpleParserValue, DefinesIfDirectiveParsingState>
{
protected:
explicit DefinesIfDirectiveParser(ILexer<SimpleParserValue>* lexer)
: AbstractParser<SimpleParserValue, DefinesIfDirectiveParsingState>(lexer, std::make_unique<DefinesIfDirectiveParsingState>())
{
}
const std::vector<sequence_t*>& GetTestsForState() override
{
static std::vector<sequence_t*> sequences
{
};
return sequences;
}
public:
static bool EvaluateIfDirective(std::map<std::string, DefinesStreamProxy::Define>& defines, const std::string& value)
{
std::istringstream ss(value);
ParserSingleInputStream inputStream(ss, "");
SimpleLexer::Config config{};
config.m_emit_new_line_tokens = false;
config.m_read_numbers = true;
config.m_read_strings = false;
SimpleLexer lexer(&inputStream, std::move(config));
DefinesIfDirectiveParser parser(&lexer);
if (!parser.Parse())
return false;
const auto& expression = parser.m_state->m_expression;
return expression->IsStatic() && expression->Evaluate().IsTruthy();
}
};
DefinesStreamProxy::DefineParameterPosition::DefineParameterPosition()
: m_parameter_index(0u),