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75 lines
2.9 KiB
C++
75 lines
2.9 KiB
C++
//===-- ClangPersistentVariables.h ------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_ClangPersistentVariables_h_
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#define liblldb_ClangPersistentVariables_h_
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#include "lldb/Expression/ClangExpressionVariable.h"
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#include "llvm/ADT/DenseMap.h"
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namespace lldb_private
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{
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//----------------------------------------------------------------------
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/// @class ClangPersistentVariables ClangPersistentVariables.h "lldb/Expression/ClangPersistentVariables.h"
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/// @brief Manages persistent values that need to be preserved between expression invocations.
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///
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/// A list of variables that can be accessed and updated by any expression. See
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/// ClangPersistentVariable for more discussion. Also provides an increasing,
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/// 0-based counter for naming result variables.
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//----------------------------------------------------------------------
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class ClangPersistentVariables : public ClangExpressionVariableList
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{
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public:
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//----------------------------------------------------------------------
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/// Constructor
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//----------------------------------------------------------------------
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ClangPersistentVariables ();
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lldb::ClangExpressionVariableSP
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CreatePersistentVariable (const lldb::ValueObjectSP &valobj_sp);
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lldb::ClangExpressionVariableSP
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CreatePersistentVariable (ExecutionContextScope *exe_scope,
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const ConstString &name,
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const TypeFromUser& user_type,
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lldb::ByteOrder byte_order,
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uint32_t addr_byte_size);
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//----------------------------------------------------------------------
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/// Return the next entry in the sequence of strings "$0", "$1", ... for
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/// use naming persistent expression convenience variables.
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///
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/// @return
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/// A string that contains the next persistent variable name.
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//----------------------------------------------------------------------
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ConstString
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GetNextPersistentVariableName ();
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void
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RemovePersistentVariable (lldb::ClangExpressionVariableSP variable);
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void
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RegisterPersistentType (const ConstString &name,
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clang::TypeDecl *tag_decl);
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clang::TypeDecl *
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GetPersistentType (const ConstString &name);
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private:
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uint32_t m_next_persistent_variable_id; ///< The counter used by GetNextResultName().
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typedef llvm::DenseMap<const char *, clang::TypeDecl *> PersistentTypeMap;
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PersistentTypeMap m_persistent_types; ///< The persistent types declared by the user.
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};
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}
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#endif
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