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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
86 lines
3.1 KiB
C++
86 lines
3.1 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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//----------------------------------------------------------------------
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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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//----------------------------------------------------------------------
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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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//------------------------------------------------------------------
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// llvm casting support
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//------------------------------------------------------------------
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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, const 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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void RegisterPersistentDecl(const ConstString &name, clang::NamedDecl *decl);
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clang::NamedDecl *GetPersistentDecl(const 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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