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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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71
src/Parser/Parsing/Impl/DefinesStreamProxy.h Normal file
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#pragma once
#include <unordered_map>
#include <stack>
#include "AbstractDirectiveStreamProxy.h"
#include "Parsing/IParserLineStream.h"
class DefinesStreamProxy final : public AbstractDirectiveStreamProxy
{
static constexpr const char* DEFINE_DIRECTIVE = "define ";
static constexpr const char* UNDEF_DIRECTIVE = "undef ";
static constexpr const char* IFDEF_DIRECTIVE = "ifdef ";
static constexpr const char* IFNDEF_DIRECTIVE = "ifndef ";
static constexpr const char* ELSE_DIRECTIVE = "else";
static constexpr const char* ENDIF_DIRECTIVE = "endif";
public:
class DefineParameterPosition
{
public:
unsigned m_parameter_index;
unsigned m_parameter_position;
DefineParameterPosition();
DefineParameterPosition(unsigned index, unsigned position);
};
class Define
{
public:
std::string m_name;
std::string m_value;
std::vector<DefineParameterPosition> m_parameter_positions;
Define();
Define(std::string name, std::string value);
void IdentifyParameters(std::vector<std::string>& parameterNames);
std::string Render(std::vector<std::string>& parameterValues);
};
private:
IParserLineStream* const m_stream;
std::unordered_map<std::string, Define> m_defines;
std::stack<bool> m_modes;
unsigned m_ignore_depth;
std::vector<std::string> MatchDefineParameters(const ParserLine& line, unsigned& parameterPosition);
_NODISCARD bool MatchDefineDirective(const ParserLine& line, unsigned directivePosition);
_NODISCARD bool MatchUndefDirective(const ParserLine& line, unsigned directivePosition);
_NODISCARD bool MatchIfdefDirective(const ParserLine& line, unsigned directivePosition);
_NODISCARD bool MatchElseDirective(const ParserLine& line, unsigned directivePosition);
_NODISCARD bool MatchEndifDirective(const ParserLine& line, unsigned directivePosition);
_NODISCARD bool MatchDirectives(const ParserLine& line);
void ExtractParametersFromDefineUsage(const ParserLine& line, unsigned parameterStart, unsigned& parameterEnd, std::vector<std::string>& parameterValues);
bool FindDefineForWord(const ParserLine& line, unsigned wordStart, unsigned wordEnd, Define*& value);
void ExpandDefines(ParserLine& line);
public:
explicit DefinesStreamProxy(IParserLineStream* stream);
void AddDefine(Define define);
void Undefine(const std::string& name);
ParserLine NextLine() override;
bool IncludeFile(const std::string& filename) override;
void PopCurrentFile() override;
_NODISCARD bool IsOpen() const override;
_NODISCARD bool Eof() const override;
};