ppsspp/math/expression_parser.h
Henrik Rydgard a038f612bd Unicode prep
2013-08-26 18:59:08 +02:00

22 lines
805 B
C++

#pragma once
#include "../base/basictypes.h"
#include <vector>
typedef std::pair<uint32,uint32> ExpressionPair;
typedef std::vector<ExpressionPair> PostfixExpression;
class IExpressionFunctions
{
public:
virtual bool parseReference(char* str, uint32& referenceIndex) = 0;
virtual bool parseSymbol(char* str, uint32& symbolValue) = 0;
virtual uint32 getReferenceValue(uint32 referenceIndex) = 0;
virtual bool getMemoryValue(uint32 address, int size, uint32& dest, char* error) = 0;
};
bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, PostfixExpression& dest);
bool parsePostfixExpression(PostfixExpression& exp, IExpressionFunctions* funcs, uint32& dest);
bool parseExpression(const char* exp, IExpressionFunctions* funcs, uint32& dest);
const char* getExpressionError();