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//===-- ClangPersistentVariables.h ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ClangPersistentVariables_h_
#define liblldb_ClangPersistentVariables_h_
#include "llvm/ADT/DenseMap.h"
#include "ClangExpressionVariable.h"
#include "ClangModulesDeclVendor.h"
#include "lldb/Expression/ExpressionVariable.h"
namespace lldb_private {
//----------------------------------------------------------------------
/// @class ClangPersistentVariables ClangPersistentVariables.h
/// "lldb/Expression/ClangPersistentVariables.h" Manages persistent values
/// that need to be preserved between expression invocations.
///
/// A list of variables that can be accessed and updated by any expression. See
/// ClangPersistentVariable for more discussion. Also provides an increasing,
/// 0-based counter for naming result variables.
//----------------------------------------------------------------------
class ClangPersistentVariables : public PersistentExpressionState {
public:
ClangPersistentVariables();
~ClangPersistentVariables() override = default;
//------------------------------------------------------------------
// llvm casting support
//------------------------------------------------------------------
static bool classof(const PersistentExpressionState *pv) {
return pv->getKind() == PersistentExpressionState::eKindClang;
}
lldb::ExpressionVariableSP
CreatePersistentVariable(const lldb::ValueObjectSP &valobj_sp) override;
lldb::ExpressionVariableSP CreatePersistentVariable(
ExecutionContextScope *exe_scope, const ConstString &name,
const CompilerType &compiler_type, lldb::ByteOrder byte_order,
uint32_t addr_byte_size) override;
void RemovePersistentVariable(lldb::ExpressionVariableSP variable) override;
llvm::StringRef
GetPersistentVariablePrefix(bool is_error) const override {
return "$";
}
void RegisterPersistentDecl(const ConstString &name, clang::NamedDecl *decl);
clang::NamedDecl *GetPersistentDecl(const ConstString &name);
void AddHandLoadedClangModule(ClangModulesDeclVendor::ModuleID module) {
m_hand_loaded_clang_modules.push_back(module);
}
const ClangModulesDeclVendor::ModuleVector &GetHandLoadedClangModules() {
return m_hand_loaded_clang_modules;
}
private:
uint32_t m_next_persistent_variable_id; ///< The counter used by
///GetNextResultName().
typedef llvm::DenseMap<const char *, clang::NamedDecl *> PersistentDeclMap;
PersistentDeclMap
m_persistent_decls; ///< Persistent entities declared by the user.
ClangModulesDeclVendor::ModuleVector
m_hand_loaded_clang_modules; ///< These are Clang modules we hand-loaded;
///these are the highest-
///< priority source for macros.
};
} // namespace lldb_private
#endif // liblldb_ClangPersistentVariables_h_
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