moved

Sapfor/_src/DvmhRegions/ReadWriteAnalyzer.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "dvm.h"
+#include "../Utils/SgUtils.h"
+#include "VarUsages.h"
+#include <set>
+#include <tuple>
+#include <queue>
+#include <vector>
+#include <exception>
+#include <map>
+
+
+class ReadWriteAnalyzer
+{
+    std::map<std::string, std::vector<FuncInfo*>> &funcInfo;  // TODO: could be not initilized; should be rebuilt on invalidate()
+    std::map<std::string, std::vector<int>> modified_pars;   // func -> used for [in, inout, out] params,
+    std::map<SgStatement*, VarUsages> usages_by_statement;    // maps statements to variables used in them
+
+    std::set<std::string> initialized; // files was inited
+    void init(SgFile*);
+
+    VarUsages findUsagesInStatement(SgStatement* st) const;
+    VarUsages findUsagesInAssignment(SgStatement* st) const;
+    void findReadUsagesInExpression(SgExpression* ex, VarUsages& toExtend) const;
+
+    const std::set<int> compound_statements = { FOR_NODE, LOOP_NODE, FUNC_HEDR, PROC_HEDR };
+    VarUsages gatherUsagesForCompound(SgStatement* st) const;
+public:
+    explicit ReadWriteAnalyzer(std::map<std::string, std::vector<FuncInfo*>> &funcInfo) : funcInfo(funcInfo) 
+    { }
+
+    void invalidate(const std::string& fileName) { initialized.erase(fileName); }
+
+    VarUsages get_usages(SgStatement*);
+    VarUsages get_usages(std::vector<SgStatement*>&);
+
+    VarUsages findUsagesInExpr(SgExpression* exp) const;
+    VarUsages findUsagesInFuncCall(SgExpression*, const std::string&) const;
+
+    void print() const;
+
+    static std::map<std::string, std::vector<int>> load_modified_pars(const std::map<std::string, std::vector<FuncInfo*>>&);
+};