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F3999574
dfagraph.h
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Thu, Jul 9, 2:35 AM
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text/x-c++
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rXR Xreate
dfagraph.h
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* File: dfa.h
* Author: pgess <v.melnychenko@xreate.org>
*
* Created on June 27, 2016, 1:50 PM
*/
#ifndef DFA_H
#define DFA_H
#include "clasplayer.h"
#include <unordered_set>
namespace xreate { namespace dfa {
struct SymbolAnonymous {
unsigned int id;
bool flagIsUsed = false;
};
bool operator==(const SymbolAnonymous& s1, const SymbolAnonymous& s2);
typedef boost::variant<SymbolAnonymous, SymbolPacked> SymbolNode;
}}
namespace std {
template<>
struct hash<xreate::dfa::SymbolNode> {
std::size_t operator()(xreate::dfa::SymbolNode const& s) const noexcept;
};
}
namespace xreate {namespace dfa {
enum DFACallInstanceType {
STRONG, WEAK
};
class DFACallInstance {
public:
unsigned int id;
std::string fnName;
std::vector<std::pair<SymbolPacked, SymbolNode>> args;
SymbolNode retActual;
DFACallInstanceType type;
void print(std::ostringstream& output) const;
};
/** \brief Holds DFA Analysis report produced by DFAPass */
class DFAGraph : public IAnalysisReport {
public:
// DFAGraph(ClaspLayer* engine): __clasp(engine){}
virtual void print(std::ostringstream& output) const override;
void addCallInstance(DFACallInstance && instance);
void addDependency(const SymbolNode& node, const SymbolNode& subnodeBlock);
void printInplaceAnnotations(SymbolNode node, const Expression& expression);
void printAlias(const SymbolNode& symbFormal, const SymbolNode& symbActual);
void printWeakAlias(const SymbolNode& symbFormal, const SymbolNode& symbActual);
void printFunctionRet(ManagedFnPtr function, const SymbolNode& symbolRet);
void printDependencies(std::ostringstream& output) const;
void printSymbols(ClaspLayer* clasp);
private:
mutable std::ostringstream __output;
std::list<DFACallInstance> __callInstances;
std::unordered_multimap<SymbolNode, SymbolNode> __dependencies;
std::unordered_set<SymbolNode> __usedSymbols;
std::unordered_set<SymbolNode> __roots;
void printDependency(std::ostringstream& output, const SymbolNode& nodeCurrent, const SymbolNode& nodeDependent) const;
};
}} // end of namespace xreate::dfa
#endif /* DFA_H */
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