72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
//------------------------------------------------------------------------------
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// CLING - the C++ LLVM-based InterpreterG :)
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// author: Vassil Vassilev <vasil.georgiev.vasilev@cern.ch>
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//
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// This file is dual-licensed: you can choose to license it under the University
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// of Illinois Open Source License or the GNU Lesser General Public License. See
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// LICENSE.TXT for details.
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//------------------------------------------------------------------------------
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#ifndef CLING_VALUE_PRINTER_SYNTHESIZER_H
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#define CLING_VALUE_PRINTER_SYNTHESIZER_H
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#include "TransactionTransformer.h"
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#include "llvm/ADT/OwningPtr.h"
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namespace clang {
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class ASTContext;
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class CompoundStmt;
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class FunctionDecl;
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class Expr;
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class Sema;
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}
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namespace llvm {
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class raw_ostream;
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}
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namespace cling {
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class ValuePrinterSynthesizer : public TransactionTransformer {
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private:
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///\brief Needed for the AST transformations, owned by Sema.
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///
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clang::ASTContext* m_Context;
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///\brief Stream to dump values into.
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///
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llvm::OwningPtr<llvm::raw_ostream> m_ValuePrinterStream;
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public:
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///\ brief Constructs the value printer synthesizer.
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///
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///\param[in] S - The semantic analysis object
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///\param[in] Stream - The output stream where the value printer will write
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/// to. Defaults to std::cout. Owns the stream.
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ValuePrinterSynthesizer(clang::Sema* S, llvm::raw_ostream* Stream);
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virtual ~ValuePrinterSynthesizer();
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virtual void Transform();
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private:
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///\brief Tries to attach a value printing mechanism to the given decl group
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/// ref.
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///
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///\param[in] FD - wrapper function that the value printer will attached to.
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///
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///\returns true if the attachment was considered as success. I.e. even if
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/// even if the value printer wasn't attached because of the compilation
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/// options disallowint it - it will return still true. Returns false on
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/// critical error.
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bool tryAttachVP(clang::FunctionDecl* FD);
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clang::Expr* SynthesizeVP(clang::Expr* E);
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unsigned ClearNullStmts(clang::CompoundStmt* CS);
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};
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} // namespace cling
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#endif // CLING_DECL_EXTRACTOR_H
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