60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#ifndef GUARD_PROGRAMMEMORY_H
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#define GUARD_PROGRAMMEMORY_H
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#include "config.h"
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#include "utils.h"
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#include "valueflow.h"
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#include "mathlib.h"
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#include <map>
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struct ProgramMemory {
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std::map<int, ValueFlow::Value> values;
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void setValue(nonneg int varid, const ValueFlow::Value &value);
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bool getIntValue(nonneg int varid, MathLib::bigint* result) const;
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void setIntValue(nonneg int varid, MathLib::bigint value);
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bool getTokValue(nonneg int varid, const Token** result) const;
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bool hasValue(nonneg int varid);
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void swap(ProgramMemory &pm);
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void clear();
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bool empty() const;
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void replace(const ProgramMemory &pm);
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void insert(const ProgramMemory &pm);
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};
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void execute(const Token *expr,
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ProgramMemory * const programMemory,
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MathLib::bigint *result,
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bool *error);
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/**
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* Is condition always false when variable has given value?
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* \param condition top ast token in condition
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* \param programMemory program memory
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*/
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bool conditionIsFalse(const Token *condition, const ProgramMemory &programMemory);
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/**
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* Is condition always true when variable has given value?
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* \param condition top ast token in condition
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* \param programMemory program memory
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*/
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bool conditionIsTrue(const Token *condition, const ProgramMemory &programMemory);
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/**
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* Get program memory by looking backwards from given token.
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*/
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ProgramMemory getProgramMemory(const Token *tok, nonneg int varid, const ValueFlow::Value &value);
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#endif
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