forked from OSchip/llvm-project
85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
//===-- ClangPersistentVariables.h ------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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 "llvm/ADT/DenseMap.h"
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#include "ClangExpressionVariable.h"
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#include "ClangModulesDeclVendor.h"
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#include "lldb/Expression/ExpressionVariable.h"
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namespace lldb_private {
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/// \class ClangPersistentVariables ClangPersistentVariables.h
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/// "lldb/Expression/ClangPersistentVariables.h" Manages persistent values
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/// 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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class ClangPersistentVariables : public PersistentExpressionState {
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public:
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ClangPersistentVariables();
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~ClangPersistentVariables() override = default;
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// llvm casting support
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static bool classof(const PersistentExpressionState *pv) {
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return pv->getKind() == PersistentExpressionState::eKindClang;
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}
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lldb::ExpressionVariableSP
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CreatePersistentVariable(const lldb::ValueObjectSP &valobj_sp) override;
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lldb::ExpressionVariableSP CreatePersistentVariable(
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ExecutionContextScope *exe_scope, ConstString name,
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const CompilerType &compiler_type, lldb::ByteOrder byte_order,
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uint32_t addr_byte_size) override;
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void RemovePersistentVariable(lldb::ExpressionVariableSP variable) override;
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llvm::StringRef
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GetPersistentVariablePrefix(bool is_error) const override {
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return "$";
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}
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llvm::Optional<CompilerType>
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GetCompilerTypeFromPersistentDecl(ConstString type_name) override;
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void RegisterPersistentDecl(ConstString name, clang::NamedDecl *decl);
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clang::NamedDecl *GetPersistentDecl(ConstString name);
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void AddHandLoadedClangModule(ClangModulesDeclVendor::ModuleID module) {
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m_hand_loaded_clang_modules.push_back(module);
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}
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const ClangModulesDeclVendor::ModuleVector &GetHandLoadedClangModules() {
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return m_hand_loaded_clang_modules;
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}
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private:
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uint32_t m_next_persistent_variable_id; ///< The counter used by
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///GetNextResultName().
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typedef llvm::DenseMap<const char *, clang::NamedDecl *> PersistentDeclMap;
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PersistentDeclMap
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m_persistent_decls; ///< Persistent entities declared by the user.
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ClangModulesDeclVendor::ModuleVector
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m_hand_loaded_clang_modules; ///< These are Clang modules we hand-loaded;
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///these are the highest-
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///< priority source for macros.
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};
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} // namespace lldb_private
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#endif // liblldb_ClangPersistentVariables_h_
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