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//== GRSubEngine.h - Interface of the subengine of GRCoreEngine ----*- C++ -*-//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the interface of a subengine of the GRCoreEngine.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYSIS_GRSUBENGINE_H
#define LLVM_CLANG_ANALYSIS_GRSUBENGINE_H
namespace clang {
class Stmt;
class CFGBlock;
class GRState;
class GRStateManager;
class GRBlockCounter;
class GRStmtNodeBuilder;
class GRBranchNodeBuilder;
class GRIndirectGotoNodeBuilder;
class GRSwitchNodeBuilder;
class GREndPathNodeBuilder;
class LocationContext;
class GRSubEngine {
public:
virtual ~GRSubEngine() {}
virtual const GRState* getInitialState(const LocationContext *InitLoc) = 0;
virtual GRStateManager& getStateManager() = 0;
/// ProcessStmt - Called by GRCoreEngine. Used to generate new successor
/// nodes by processing the 'effects' of a block-level statement.
virtual void ProcessStmt(Stmt* S, GRStmtNodeBuilder& builder) = 0;
/// ProcessBlockEntrance - Called by GRCoreEngine when start processing
/// a CFGBlock. This method returns true if the analysis should continue
/// exploring the given path, and false otherwise.
virtual bool ProcessBlockEntrance(CFGBlock* B, const GRState* St,
GRBlockCounter BC) = 0;
/// ProcessBranch - Called by GRCoreEngine. Used to generate successor
/// nodes by processing the 'effects' of a branch condition.
virtual void ProcessBranch(Stmt* Condition, Stmt* Term,
GRBranchNodeBuilder& builder) = 0;
/// ProcessIndirectGoto - Called by GRCoreEngine. Used to generate successor
/// nodes by processing the 'effects' of a computed goto jump.
virtual void ProcessIndirectGoto(GRIndirectGotoNodeBuilder& builder) = 0;
/// ProcessSwitch - Called by GRCoreEngine. Used to generate successor
/// nodes by processing the 'effects' of a switch statement.
virtual void ProcessSwitch(GRSwitchNodeBuilder& builder) = 0;
/// ProcessEndPath - Called by GRCoreEngine. Used to generate end-of-path
/// nodes when the control reaches the end of a function.
virtual void ProcessEndPath(GREndPathNodeBuilder& builder) = 0;
};
}
#endif
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