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Extract commonly used Parser code to new Parser component

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Jan
2021-03-08 20:06:34 +01:00
parent d96f813e73
commit 8d9080066f
39 changed files with 54 additions and 3 deletions
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30
src/Parser/Parsing/Impl/IncludingStreamProxy.h Normal file
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#pragma once
#include <set>
#include "AbstractDirectiveStreamProxy.h"
#include "Parsing/IParserLineStream.h"
class IncludingStreamProxy final : public AbstractDirectiveStreamProxy
{
static constexpr const char* INCLUDE_QUOTES_ERROR = "Invalid include directive. Expected \"\" or <>";
static constexpr const char* INCLUDE_DIRECTIVE = "include ";
static constexpr const char* PRAGMA_ONCE_DIRECTIVE = "pragma once";
IParserLineStream* const m_stream;
std::set<std::string> m_included_files;
_NODISCARD static bool ExtractIncludeFilename(const ParserLine& line, unsigned includeDirectivePosition, unsigned& filenameStartPosition, unsigned& filenameEndPosition);
_NODISCARD bool MatchIncludeDirective(const ParserLine& line, unsigned directivePosition) const;
_NODISCARD bool MatchPragmaOnceDirective(const ParserLine& line, unsigned directivePosition);
_NODISCARD bool MatchDirectives(const ParserLine& line);
public:
explicit IncludingStreamProxy(IParserLineStream* stream);
ParserLine NextLine() override;
bool IncludeFile(const std::string& filename) override;
void PopCurrentFile() override;
_NODISCARD bool IsOpen() const override;
_NODISCARD bool Eof() const override;
};