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29 lines
943 B
C++
29 lines
943 B
C++
#pragma once
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#include "../base/basictypes.h"
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#include <vector>
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typedef std::pair<uint32,uint32> ExpressionPair;
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typedef std::vector<ExpressionPair> PostfixExpression;
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enum ExpressionType
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{
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EXPR_TYPE_UINT = 0,
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EXPR_TYPE_FLOAT = 2,
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};
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class IExpressionFunctions
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{
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public:
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virtual bool parseReference(char* str, uint32& referenceIndex) = 0;
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virtual bool parseSymbol(char* str, uint32& symbolValue) = 0;
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virtual uint32 getReferenceValue(uint32 referenceIndex) = 0;
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virtual ExpressionType getReferenceType(uint32 referenceIndex) = 0;
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virtual bool getMemoryValue(uint32 address, int size, uint32& dest, char* error) = 0;
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};
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bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, PostfixExpression& dest);
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bool parsePostfixExpression(PostfixExpression& exp, IExpressionFunctions* funcs, uint32& dest);
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bool parseExpression(const char* exp, IExpressionFunctions* funcs, uint32& dest);
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const char* getExpressionError();
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