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148 | //===-- sotoc/src/Visitor.h -----------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#pragma once
#include <unordered_set>
#include "DeclResolver.h"
#include "clang/AST/RecursiveASTVisitor.h"
#include "llvm/ADT/Optional.h"
namespace clang {
class Stmt;
class Decl;
class Type;
class CapturedStmt;
class OMPExecutableDirective;
class SourceLocation;
class FunctionDecl;
class Attr;
class Rewriter;
class ASTContext;
} // namespace clang
class TargetCode;
class TargetCodeFragment;
class TargetCodeRegion;
class TypeDeclResolver;
class DiscoverTypesInDeclVisitor
: public clang::RecursiveASTVisitor<DiscoverTypesInDeclVisitor> {
std::function<void(clang::TypeDecl *)> OnEachTypeRef;
void processType(const clang::Type *D);
public:
DiscoverTypesInDeclVisitor(TypeDeclResolver &Types);
DiscoverTypesInDeclVisitor(std::function<void(clang::TypeDecl *)> F)
: OnEachTypeRef(F){};
bool VisitDecl(clang::Decl *D);
bool VisitExpr(clang::Expr *D);
bool VisitType(clang::Type *T);
};
class DiscoverFunctionsInDeclVisitor
: public clang::RecursiveASTVisitor<DiscoverFunctionsInDeclVisitor> {
std::function<void(clang::FunctionDecl *)> OnEachFuncRef;
public:
DiscoverFunctionsInDeclVisitor(FunctionDeclResolver &Functions);
DiscoverFunctionsInDeclVisitor(std::function<void(clang::FunctionDecl *)> F)
: OnEachFuncRef(F){};
bool VisitExpr(clang::Expr *E);
};
class FindDeclRefExprVisitor
: public clang::RecursiveASTVisitor<FindDeclRefExprVisitor> {
std::unordered_set<clang::VarDecl *> VarSet;
public:
FindDeclRefExprVisitor() {}
bool VisitStmt(clang::Stmt *S);
// bool VisitDecl(clang::Decl *D);
std::unordered_set<clang::VarDecl *> *getVarSet() { return &VarSet; }
};
class FindLoopStmtVisitor
: public clang::RecursiveASTVisitor<FindLoopStmtVisitor> {
FindDeclRefExprVisitor FindDeclRefVisitor;
public:
FindLoopStmtVisitor() {}
bool VisitStmt(clang::Stmt *S);
std::unordered_set<clang::VarDecl *> *getVarSet() {
return FindDeclRefVisitor.getVarSet();
}
};
class FindTargetCodeVisitor
: public clang::RecursiveASTVisitor<FindTargetCodeVisitor> {
clang::ASTContext &Context;
TargetCode &TargetCodeInfo;
DiscoverTypesInDeclVisitor DiscoverTypeVisitor;
DiscoverFunctionsInDeclVisitor DiscoverFunctionVisitor;
FunctionDeclResolver &Functions;
FindDeclRefExprVisitor FindDeclRefVisitor;
std::stack<clang::FunctionDecl *> LastVisitedFuncDecl;
std::unordered_set<std::string> FuncDeclWithoutBody;
public:
FindTargetCodeVisitor(TargetCode &Code, TypeDeclResolver &Types,
FunctionDeclResolver &Functions,
clang::ASTContext &Context)
: Context(Context), TargetCodeInfo(Code), DiscoverTypeVisitor(Types),
DiscoverFunctionVisitor(Functions), Functions(Functions){};
bool TraverseDecl(clang::Decl *D);
bool VisitStmt(clang::Stmt *S);
bool VisitDecl(clang::Decl *D);
private:
bool processTargetRegion(clang::OMPExecutableDirective *TargetDirective);
void addTargetRegionArgs(clang::CapturedStmt *S,
clang::OMPExecutableDirective *TargetDirective,
std::shared_ptr<TargetCodeRegion> TCR);
};
class FindArraySectionVisitor
: public clang::RecursiveASTVisitor<FindArraySectionVisitor> {
std::map<clang::VarDecl *, clang::Expr *> &LowerBoundsMap;
public:
FindArraySectionVisitor(
std::map<clang::VarDecl *, clang::Expr *> &LowerBoundsMap)
: LowerBoundsMap(LowerBoundsMap) {}
bool VisitExpr(clang::Expr *E);
};
class FindPrivateVariablesVisitor
: public clang::RecursiveASTVisitor<FindPrivateVariablesVisitor> {
clang::SourceManager &SM;
clang::SourceLocation RegionTopSourceLocation;
std::set<clang::VarDecl *> VarSet;
public:
FindPrivateVariablesVisitor(clang::SourceLocation TopSourceLocation, clang::SourceManager &SM)
: SM(SM), RegionTopSourceLocation(TopSourceLocation) {}
bool VisitExpr(clang::Expr *E);
std::set<clang::VarDecl *> &getVarSet() {
return VarSet;
}
};
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