45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
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#pragma once
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#include "dvm.h"
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#include "../Utils/SgUtils.h"
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#include "VarUsages.h"
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#include <set>
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#include <tuple>
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#include <queue>
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#include <vector>
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#include <exception>
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#include <map>
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class ReadWriteAnalyzer
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{
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std::map<std::string, std::vector<FuncInfo*>> &funcInfo; // TODO: could be not initilized; should be rebuilt on invalidate()
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std::map<std::string, std::vector<int>> modified_pars; // func -> used for [in, inout, out] params,
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std::map<SgStatement*, VarUsages> usages_by_statement; // maps statements to variables used in them
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std::set<std::string> initialized; // files was inited
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void init(SgFile*);
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VarUsages findUsagesInStatement(SgStatement* st) const;
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VarUsages findUsagesInAssignment(SgStatement* st) const;
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void findReadUsagesInExpression(SgExpression* ex, VarUsages& toExtend) const;
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const std::set<int> compound_statements = { FOR_NODE, LOOP_NODE, FUNC_HEDR, PROC_HEDR };
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VarUsages gatherUsagesForCompound(SgStatement* st) const;
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public:
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explicit ReadWriteAnalyzer(std::map<std::string, std::vector<FuncInfo*>> &funcInfo) : funcInfo(funcInfo)
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{ }
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void invalidate(const std::string& fileName) { initialized.erase(fileName); }
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VarUsages get_usages(SgStatement*);
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VarUsages get_usages(std::vector<SgStatement*>&);
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VarUsages findUsagesInExpr(SgExpression* exp) const;
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VarUsages findUsagesInFuncCall(SgExpression*, const std::string&) const;
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void print() const;
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static std::map<std::string, std::vector<int>> load_modified_pars(const std::map<std::string, std::vector<FuncInfo*>>&);
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};
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