diff options
Diffstat (limited to 'lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.h')
| -rw-r--r-- | lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.h | 166 |
1 files changed, 37 insertions, 129 deletions
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.h b/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.h index 3149b4266b2fd..14761fbeb26b4 100644 --- a/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.h +++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.h @@ -6,12 +6,13 @@ // //===----------------------------------------------------------------------===// -#ifndef liblldb_ClangASTSource_h_ -#define liblldb_ClangASTSource_h_ +#ifndef LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGASTSOURCE_H +#define LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGASTSOURCE_H #include <set> -#include "lldb/Symbol/ClangASTImporter.h" +#include "Plugins/ExpressionParser/Clang/ClangASTImporter.h" +#include "Plugins/ExpressionParser/Clang/NameSearchContext.h" #include "lldb/Symbol/CompilerType.h" #include "lldb/Target/Target.h" #include "clang/AST/ExternalASTSource.h" @@ -42,7 +43,7 @@ public: /// \param[in] importer /// The ClangASTImporter to use. ClangASTSource(const lldb::TargetSP &target, - const lldb::ClangASTImporterSP &importer); + const std::shared_ptr<ClangASTImporter> &importer); /// Destructor ~ClangASTSource() override; @@ -60,7 +61,7 @@ public: } void MaterializeVisibleDecls(const clang::DeclContext *DC) { return; } - void InstallASTContext(ClangASTContext &ast_context); + void InstallASTContext(TypeSystemClang &ast_context); // // APIs for ExternalASTSource @@ -196,11 +197,6 @@ public: clang::Sema *getSema(); - void SetImportInProgress(bool import_in_progress) { - m_import_in_progress = import_in_progress; - } - bool GetImportInProgress() { return m_import_in_progress; } - void SetLookupsEnabled(bool lookups_enabled) { m_lookups_enabled = lookups_enabled; } @@ -282,14 +278,9 @@ protected: /// /// \param[in] namespace_decl /// If valid and module is non-NULL, the parent namespace. - /// - /// \param[in] current_id - /// The ID for the current FindExternalVisibleDecls invocation, - /// for logging purposes. void FindExternalVisibleDecls(NameSearchContext &context, lldb::ModuleSP module, - CompilerDeclContext &namespace_decl, - unsigned int current_id); + CompilerDeclContext &namespace_decl); /// Find all Objective-C methods matching a given selector. /// @@ -307,7 +298,13 @@ protected: /// is the containing object. void FindObjCPropertyAndIvarDecls(NameSearchContext &context); - /// A wrapper for ClangASTContext::CopyType that sets a flag that + /// Performs lookup into a namespace. + /// + /// \param context + /// The NameSearchContext for a lookup inside a namespace. + void LookupInNamespace(NameSearchContext &context); + + /// A wrapper for TypeSystemClang::CopyType that sets a flag that /// indicates that we should not respond to queries during import. /// /// \param[in] src_type @@ -331,7 +328,6 @@ public: /// global lookup for performance reasons. bool IgnoreName(const ConstString name, bool ignore_all_dollar_names); -public: /// Copies a single Decl into the parser's AST context. /// /// \param[in] src_decl @@ -346,139 +342,51 @@ public: /// \param[in] decl /// The Decl whose origin is to be found. /// - /// \param[out] original_decl - /// A pointer whose target is filled in with the original Decl. - /// - /// \param[in] original_ctx - /// A pointer whose target is filled in with the original's ASTContext. - /// /// \return /// True if lookup succeeded; false otherwise. ClangASTImporter::DeclOrigin GetDeclOrigin(const clang::Decl *decl); + /// Returns the TypeSystem that uses this ClangASTSource instance as it's + /// ExternalASTSource. + TypeSystemClang *GetTypeSystem() const { return m_clang_ast_context; } + protected: bool FindObjCMethodDeclsWithOrigin( - unsigned int current_id, NameSearchContext &context, + NameSearchContext &context, clang::ObjCInterfaceDecl *original_interface_decl, const char *log_info); + void FindDeclInModules(NameSearchContext &context, ConstString name); + void FindDeclInObjCRuntime(NameSearchContext &context, ConstString name); + + /// Fills the namespace map of the given NameSearchContext. + /// + /// \param context The NameSearchContext with the namespace map to fill. + /// \param module_sp The module to search for namespaces or a nullptr if + /// the current target should be searched. + /// \param namespace_decl The DeclContext in which to search for namespaces. + void FillNamespaceMap(NameSearchContext &context, lldb::ModuleSP module_sp, + const CompilerDeclContext &namespace_decl); + + clang::TagDecl *FindCompleteType(const clang::TagDecl *decl); + friend struct NameSearchContext; - bool m_import_in_progress; bool m_lookups_enabled; /// The target to use in finding variables and types. const lldb::TargetSP m_target; /// The AST context requests are coming in for. clang::ASTContext *m_ast_context; - /// The ClangASTContext for m_ast_context. - ClangASTContext *m_clang_ast_context; + /// The TypeSystemClang for m_ast_context. + TypeSystemClang *m_clang_ast_context; /// The file manager paired with the AST context. clang::FileManager *m_file_manager; /// The target's AST importer. - lldb::ClangASTImporterSP m_ast_importer_sp; + std::shared_ptr<ClangASTImporter> m_ast_importer_sp; std::set<const clang::Decl *> m_active_lexical_decls; std::set<const char *> m_active_lookups; }; -/// \class NameSearchContext ClangASTSource.h -/// "lldb/Expression/ClangASTSource.h" Container for all objects relevant to a -/// single name lookup -/// -/// LLDB needs to create Decls for entities it finds. This class communicates -/// what name is being searched for and provides helper functions to construct -/// Decls given appropriate type information. -struct NameSearchContext { - /// The AST source making the request. - ClangASTSource &m_ast_source; - /// The list of declarations already constructed. - llvm::SmallVectorImpl<clang::NamedDecl *> &m_decls; - /// The mapping of all namespaces found for this request back to their - /// modules. - ClangASTImporter::NamespaceMapSP m_namespace_map; - /// The name being looked for. - const clang::DeclarationName &m_decl_name; - /// The DeclContext to put declarations into. - const clang::DeclContext *m_decl_context; - /// All the types of functions that have been reported, so we don't - /// report conflicts. - llvm::SmallSet<CompilerType, 5> m_function_types; - - struct { - bool variable : 1; - bool function_with_type_info : 1; - bool function : 1; - bool local_vars_nsp : 1; - bool type : 1; - } m_found; - - /// Constructor - /// - /// Initializes class variables. - /// - /// \param[in] astSource - /// A reference to the AST source making a request. - /// - /// \param[in] decls - /// A reference to a list into which new Decls will be placed. This - /// list is typically empty when the function is called. - /// - /// \param[in] name - /// The name being searched for (always an Identifier). - /// - /// \param[in] dc - /// The DeclContext to register Decls in. - NameSearchContext(ClangASTSource &astSource, - llvm::SmallVectorImpl<clang::NamedDecl *> &decls, - clang::DeclarationName &name, const clang::DeclContext *dc) - : m_ast_source(astSource), m_decls(decls), m_decl_name(name), - m_decl_context(dc) { - memset(&m_found, 0, sizeof(m_found)); - } - - /// Create a VarDecl with the name being searched for and the provided type - /// and register it in the right places. - /// - /// \param[in] type - /// The opaque QualType for the VarDecl being registered. - clang::NamedDecl *AddVarDecl(const CompilerType &type); - - /// Create a FunDecl with the name being searched for and the provided type - /// and register it in the right places. - /// - /// \param[in] type - /// The opaque QualType for the FunDecl being registered. - /// - /// \param[in] extern_c - /// If true, build an extern "C" linkage specification for this. - clang::NamedDecl *AddFunDecl(const CompilerType &type, bool extern_c = false); - - /// Create a FunDecl with the name being searched for and generic type (i.e. - /// intptr_t NAME_GOES_HERE(...)) and register it in the right places. - clang::NamedDecl *AddGenericFunDecl(); - - /// Create a TypeDecl with the name being searched for and the provided type - /// and register it in the right places. - /// - /// \param[in] compiler_type - /// The opaque QualType for the TypeDecl being registered. - clang::NamedDecl *AddTypeDecl(const CompilerType &compiler_type); - - /// Add Decls from the provided DeclContextLookupResult to the list of - /// results. - /// - /// \param[in] result - /// The DeclContextLookupResult, usually returned as the result - /// of querying a DeclContext. - void AddLookupResult(clang::DeclContextLookupResult result); - - /// Add a NamedDecl to the list of results. - /// - /// \param[in] decl - /// The NamedDecl, usually returned as the result - /// of querying a DeclContext. - void AddNamedDecl(clang::NamedDecl *decl); -}; - } // namespace lldb_private -#endif // liblldb_ClangASTSource_h_ +#endif // LLDB_SOURCE_PLUGINS_EXPRESSIONPARSER_CLANG_CLANGASTSOURCE_H |