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32 lines
1.0 KiB
C++
32 lines
1.0 KiB
C++
#pragma once
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#include <cstdint>
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#include <cstddef>
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#include <string>
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#include <vector>
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typedef std::pair<uint32_t, uint32_t> 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 ~IExpressionFunctions() {}
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virtual bool parseReference(char* str, uint32_t& referenceIndex) = 0;
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virtual bool parseSymbol(char* str, uint32_t& symbolValue) = 0;
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virtual uint32_t getReferenceValue(uint32_t referenceIndex) = 0;
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virtual ExpressionType getReferenceType(uint32_t referenceIndex) = 0;
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virtual bool getMemoryValue(uint32_t address, int size, uint32_t& dest, std::string *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_t& dest);
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bool parseExpression(const char* exp, IExpressionFunctions* funcs, uint32_t& dest);
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const char* getExpressionError();
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