2216 lines
71 KiB
C++
2216 lines
71 KiB
C++
//===-- ClangASTSource.cpp ---------------------------------------*- 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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#include "ClangASTSource.h"
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#include "ASTDumper.h"
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#include "ClangModulesDeclVendor.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleList.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Symbol/ClangUtil.h"
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#include "lldb/Symbol/CompilerDeclContext.h"
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#include "lldb/Symbol/Function.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/Symbol/SymbolVendor.h"
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#include "lldb/Symbol/TaggedASTType.h"
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#include "lldb/Target/ObjCLanguageRuntime.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/Log.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/RecordLayout.h"
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#include <vector>
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using namespace clang;
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using namespace lldb_private;
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//------------------------------------------------------------------
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// Scoped class that will remove an active lexical decl from the set
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// when it goes out of scope.
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//------------------------------------------------------------------
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namespace {
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class ScopedLexicalDeclEraser {
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public:
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ScopedLexicalDeclEraser(std::set<const clang::Decl *> &decls,
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const clang::Decl *decl)
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: m_active_lexical_decls(decls), m_decl(decl) {}
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~ScopedLexicalDeclEraser() { m_active_lexical_decls.erase(m_decl); }
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private:
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std::set<const clang::Decl *> &m_active_lexical_decls;
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const clang::Decl *m_decl;
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};
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}
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ClangASTSource::ClangASTSource(const lldb::TargetSP &target)
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: m_import_in_progress(false), m_lookups_enabled(false), m_target(target),
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m_ast_context(NULL), m_active_lexical_decls(), m_active_lookups() {
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if (!target->GetUseModernTypeLookup()) {
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m_ast_importer_sp = m_target->GetClangASTImporter();
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}
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}
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void ClangASTSource::InstallASTContext(clang::ASTContext &ast_context,
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clang::FileManager &file_manager,
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bool is_shared_context) {
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m_ast_context = &ast_context;
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m_file_manager = &file_manager;
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if (m_target->GetUseModernTypeLookup()) {
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// Configure the ExternalASTMerger. The merger needs to be able to import
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// types from any source that we would do lookups in, which includes the
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// persistent AST context as well as the modules and Objective-C runtime
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// AST contexts.
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lldbassert(!m_merger_up);
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clang::ExternalASTMerger::ImporterTarget target = {ast_context,
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file_manager};
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std::vector<clang::ExternalASTMerger::ImporterSource> sources;
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for (lldb::ModuleSP module_sp : m_target->GetImages().Modules()) {
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if (auto *module_ast_ctx = llvm::cast_or_null<ClangASTContext>(
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module_sp->GetTypeSystemForLanguage(lldb::eLanguageTypeC))) {
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lldbassert(module_ast_ctx->getASTContext());
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lldbassert(module_ast_ctx->getFileManager());
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sources.push_back({*module_ast_ctx->getASTContext(),
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*module_ast_ctx->getFileManager(),
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module_ast_ctx->GetOriginMap()
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});
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}
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}
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do {
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lldb::ProcessSP process(m_target->GetProcessSP());
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if (!process)
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break;
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ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime());
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if (!language_runtime)
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break;
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DeclVendor *runtime_decl_vendor = language_runtime->GetDeclVendor();
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if (!runtime_decl_vendor)
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break;
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sources.push_back(runtime_decl_vendor->GetImporterSource());
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} while (0);
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do {
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DeclVendor *modules_decl_vendor =
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m_target->GetClangModulesDeclVendor();
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if (!modules_decl_vendor)
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break;
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sources.push_back(modules_decl_vendor->GetImporterSource());
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} while (0);
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if (!is_shared_context) {
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// Update the scratch AST context's merger to reflect any new sources we
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// might have come across since the last time an expression was parsed.
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auto scratch_ast_context = static_cast<ClangASTContextForExpressions*>(
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m_target->GetScratchClangASTContext());
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scratch_ast_context->GetMergerUnchecked().AddSources(sources);
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sources.push_back({*scratch_ast_context->getASTContext(),
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*scratch_ast_context->getFileManager(),
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scratch_ast_context->GetOriginMap()});
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} while (0);
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m_merger_up =
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llvm::make_unique<clang::ExternalASTMerger>(target, sources);
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} else {
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m_ast_importer_sp->InstallMapCompleter(&ast_context, *this);
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}
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}
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ClangASTSource::~ClangASTSource() {
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if (m_ast_importer_sp)
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m_ast_importer_sp->ForgetDestination(m_ast_context);
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// We are in the process of destruction, don't create clang ast context on
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// demand
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// by passing false to Target::GetScratchClangASTContext(create_on_demand).
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ClangASTContext *scratch_clang_ast_context =
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m_target->GetScratchClangASTContext(false);
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if (!scratch_clang_ast_context)
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return;
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clang::ASTContext *scratch_ast_context =
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scratch_clang_ast_context->getASTContext();
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if (!scratch_ast_context)
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return;
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if (m_ast_context != scratch_ast_context && m_ast_importer_sp)
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m_ast_importer_sp->ForgetSource(scratch_ast_context, m_ast_context);
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}
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void ClangASTSource::StartTranslationUnit(ASTConsumer *Consumer) {
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if (!m_ast_context)
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return;
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m_ast_context->getTranslationUnitDecl()->setHasExternalVisibleStorage();
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m_ast_context->getTranslationUnitDecl()->setHasExternalLexicalStorage();
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}
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// The core lookup interface.
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bool ClangASTSource::FindExternalVisibleDeclsByName(
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const DeclContext *decl_ctx, DeclarationName clang_decl_name) {
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if (!m_ast_context) {
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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}
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if (GetImportInProgress()) {
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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}
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std::string decl_name(clang_decl_name.getAsString());
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// if (m_decl_map.DoingASTImport ())
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// return DeclContext::lookup_result();
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//
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switch (clang_decl_name.getNameKind()) {
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// Normal identifiers.
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case DeclarationName::Identifier: {
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clang::IdentifierInfo *identifier_info =
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clang_decl_name.getAsIdentifierInfo();
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if (!identifier_info || identifier_info->getBuiltinID() != 0) {
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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}
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} break;
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// Operator names.
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case DeclarationName::CXXOperatorName:
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case DeclarationName::CXXLiteralOperatorName:
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break;
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// Using directives found in this context.
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// Tell Sema we didn't find any or we'll end up getting asked a *lot*.
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case DeclarationName::CXXUsingDirective:
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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case DeclarationName::ObjCZeroArgSelector:
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case DeclarationName::ObjCOneArgSelector:
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case DeclarationName::ObjCMultiArgSelector: {
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llvm::SmallVector<NamedDecl *, 1> method_decls;
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NameSearchContext method_search_context(*this, method_decls,
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clang_decl_name, decl_ctx);
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FindObjCMethodDecls(method_search_context);
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SetExternalVisibleDeclsForName(decl_ctx, clang_decl_name, method_decls);
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return (method_decls.size() > 0);
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}
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// These aren't possible in the global context.
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case DeclarationName::CXXConstructorName:
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case DeclarationName::CXXDestructorName:
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case DeclarationName::CXXConversionFunctionName:
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case DeclarationName::CXXDeductionGuideName:
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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}
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if (!GetLookupsEnabled()) {
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// Wait until we see a '$' at the start of a name before we start doing
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// any lookups so we can avoid lookup up all of the builtin types.
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if (!decl_name.empty() && decl_name[0] == '$') {
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SetLookupsEnabled(true);
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} else {
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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}
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}
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ConstString const_decl_name(decl_name.c_str());
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const char *uniqued_const_decl_name = const_decl_name.GetCString();
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if (m_active_lookups.find(uniqued_const_decl_name) !=
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m_active_lookups.end()) {
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// We are currently looking up this name...
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SetNoExternalVisibleDeclsForName(decl_ctx, clang_decl_name);
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return false;
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}
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m_active_lookups.insert(uniqued_const_decl_name);
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// static uint32_t g_depth = 0;
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// ++g_depth;
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// printf("[%5u] FindExternalVisibleDeclsByName() \"%s\"\n", g_depth,
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// uniqued_const_decl_name);
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llvm::SmallVector<NamedDecl *, 4> name_decls;
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NameSearchContext name_search_context(*this, name_decls, clang_decl_name,
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decl_ctx);
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FindExternalVisibleDecls(name_search_context);
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SetExternalVisibleDeclsForName(decl_ctx, clang_decl_name, name_decls);
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// --g_depth;
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m_active_lookups.erase(uniqued_const_decl_name);
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return (name_decls.size() != 0);
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}
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void ClangASTSource::CompleteType(TagDecl *tag_decl) {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
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static unsigned int invocation_id = 0;
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unsigned int current_id = invocation_id++;
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if (log) {
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log->Printf(" CompleteTagDecl[%u] on (ASTContext*)%p Completing "
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"(TagDecl*)%p named %s",
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current_id, static_cast<void *>(m_ast_context),
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static_cast<void *>(tag_decl),
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tag_decl->getName().str().c_str());
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log->Printf(" CTD[%u] Before:", current_id);
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ASTDumper dumper((Decl *)tag_decl);
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dumper.ToLog(log, " [CTD] ");
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}
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auto iter = m_active_lexical_decls.find(tag_decl);
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if (iter != m_active_lexical_decls.end())
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return;
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m_active_lexical_decls.insert(tag_decl);
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ScopedLexicalDeclEraser eraser(m_active_lexical_decls, tag_decl);
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if (!m_ast_importer_sp) {
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if (HasMerger()) {
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GetMergerUnchecked().CompleteType(tag_decl);
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}
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return;
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}
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if (!m_ast_importer_sp->CompleteTagDecl(tag_decl)) {
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// We couldn't complete the type. Maybe there's a definition
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// somewhere else that can be completed.
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if (log)
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log->Printf(" CTD[%u] Type could not be completed in the module in "
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"which it was first found.",
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current_id);
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bool found = false;
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DeclContext *decl_ctx = tag_decl->getDeclContext();
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if (const NamespaceDecl *namespace_context =
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dyn_cast<NamespaceDecl>(decl_ctx)) {
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ClangASTImporter::NamespaceMapSP namespace_map =
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m_ast_importer_sp->GetNamespaceMap(namespace_context);
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if (log && log->GetVerbose())
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log->Printf(" CTD[%u] Inspecting namespace map %p (%d entries)",
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current_id, static_cast<void *>(namespace_map.get()),
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static_cast<int>(namespace_map->size()));
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if (!namespace_map)
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return;
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for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(),
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e = namespace_map->end();
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i != e && !found; ++i) {
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if (log)
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log->Printf(" CTD[%u] Searching namespace %s in module %s",
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current_id, i->second.GetName().AsCString(),
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i->first->GetFileSpec().GetFilename().GetCString());
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TypeList types;
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SymbolContext null_sc;
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ConstString name(tag_decl->getName().str().c_str());
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i->first->FindTypesInNamespace(null_sc, name, &i->second, UINT32_MAX,
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types);
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for (uint32_t ti = 0, te = types.GetSize(); ti != te && !found; ++ti) {
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lldb::TypeSP type = types.GetTypeAtIndex(ti);
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if (!type)
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continue;
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CompilerType clang_type(type->GetFullCompilerType());
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if (!ClangUtil::IsClangType(clang_type))
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continue;
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const TagType *tag_type =
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ClangUtil::GetQualType(clang_type)->getAs<TagType>();
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if (!tag_type)
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continue;
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TagDecl *candidate_tag_decl =
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const_cast<TagDecl *>(tag_type->getDecl());
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if (m_ast_importer_sp->CompleteTagDeclWithOrigin(tag_decl,
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candidate_tag_decl))
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found = true;
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}
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}
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} else {
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TypeList types;
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SymbolContext null_sc;
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ConstString name(tag_decl->getName().str().c_str());
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CompilerDeclContext namespace_decl;
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const ModuleList &module_list = m_target->GetImages();
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bool exact_match = false;
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llvm::DenseSet<SymbolFile *> searched_symbol_files;
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module_list.FindTypes(null_sc, name, exact_match, UINT32_MAX,
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searched_symbol_files, types);
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for (uint32_t ti = 0, te = types.GetSize(); ti != te && !found; ++ti) {
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lldb::TypeSP type = types.GetTypeAtIndex(ti);
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if (!type)
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continue;
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CompilerType clang_type(type->GetFullCompilerType());
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if (!ClangUtil::IsClangType(clang_type))
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continue;
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const TagType *tag_type =
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ClangUtil::GetQualType(clang_type)->getAs<TagType>();
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if (!tag_type)
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continue;
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TagDecl *candidate_tag_decl =
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const_cast<TagDecl *>(tag_type->getDecl());
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// We have found a type by basename and we need to make sure the decl
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// contexts
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// are the same before we can try to complete this type with another
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if (!ClangASTContext::DeclsAreEquivalent(tag_decl, candidate_tag_decl))
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continue;
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if (m_ast_importer_sp->CompleteTagDeclWithOrigin(tag_decl,
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candidate_tag_decl))
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found = true;
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}
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}
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}
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if (log) {
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log->Printf(" [CTD] After:");
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ASTDumper dumper((Decl *)tag_decl);
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dumper.ToLog(log, " [CTD] ");
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}
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}
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void ClangASTSource::CompleteType(clang::ObjCInterfaceDecl *interface_decl) {
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Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
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if (log) {
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log->Printf(" [CompleteObjCInterfaceDecl] on (ASTContext*)%p Completing "
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"an ObjCInterfaceDecl named %s",
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static_cast<void *>(m_ast_context),
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interface_decl->getName().str().c_str());
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log->Printf(" [COID] Before:");
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ASTDumper dumper((Decl *)interface_decl);
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dumper.ToLog(log, " [COID] ");
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}
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if (!m_ast_importer_sp) {
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if (HasMerger()) {
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ObjCInterfaceDecl *complete_iface_decl =
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GetCompleteObjCInterface(interface_decl);
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if (complete_iface_decl && (complete_iface_decl != interface_decl)) {
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m_merger_up->ForceRecordOrigin(interface_decl, {complete_iface_decl, &complete_iface_decl->getASTContext()});
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}
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GetMergerUnchecked().CompleteType(interface_decl);
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} else {
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lldbassert(0 && "No mechanism for completing a type!");
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}
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return;
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}
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Decl *original_decl = NULL;
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ASTContext *original_ctx = NULL;
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if (m_ast_importer_sp->ResolveDeclOrigin(interface_decl, &original_decl,
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&original_ctx)) {
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if (ObjCInterfaceDecl *original_iface_decl =
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dyn_cast<ObjCInterfaceDecl>(original_decl)) {
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ObjCInterfaceDecl *complete_iface_decl =
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GetCompleteObjCInterface(original_iface_decl);
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if (complete_iface_decl && (complete_iface_decl != original_iface_decl)) {
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m_ast_importer_sp->SetDeclOrigin(interface_decl, complete_iface_decl);
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}
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}
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}
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m_ast_importer_sp->CompleteObjCInterfaceDecl(interface_decl);
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if (interface_decl->getSuperClass() &&
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interface_decl->getSuperClass() != interface_decl)
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CompleteType(interface_decl->getSuperClass());
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if (log) {
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log->Printf(" [COID] After:");
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ASTDumper dumper((Decl *)interface_decl);
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dumper.ToLog(log, " [COID] ");
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}
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}
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clang::ObjCInterfaceDecl *ClangASTSource::GetCompleteObjCInterface(
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const clang::ObjCInterfaceDecl *interface_decl) {
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lldb::ProcessSP process(m_target->GetProcessSP());
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if (!process)
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return NULL;
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ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime());
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if (!language_runtime)
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return NULL;
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ConstString class_name(interface_decl->getNameAsString().c_str());
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lldb::TypeSP complete_type_sp(
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language_runtime->LookupInCompleteClassCache(class_name));
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if (!complete_type_sp)
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return NULL;
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TypeFromUser complete_type =
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TypeFromUser(complete_type_sp->GetFullCompilerType());
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lldb::opaque_compiler_type_t complete_opaque_type =
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|
complete_type.GetOpaqueQualType();
|
|
|
|
if (!complete_opaque_type)
|
|
return NULL;
|
|
|
|
const clang::Type *complete_clang_type =
|
|
QualType::getFromOpaquePtr(complete_opaque_type).getTypePtr();
|
|
const ObjCInterfaceType *complete_interface_type =
|
|
dyn_cast<ObjCInterfaceType>(complete_clang_type);
|
|
|
|
if (!complete_interface_type)
|
|
return NULL;
|
|
|
|
ObjCInterfaceDecl *complete_iface_decl(complete_interface_type->getDecl());
|
|
|
|
return complete_iface_decl;
|
|
}
|
|
|
|
void ClangASTSource::FindExternalLexicalDecls(
|
|
const DeclContext *decl_context,
|
|
llvm::function_ref<bool(Decl::Kind)> predicate,
|
|
llvm::SmallVectorImpl<Decl *> &decls) {
|
|
|
|
if (HasMerger()) {
|
|
if (auto *interface_decl = dyn_cast<ObjCInterfaceDecl>(decl_context)) {
|
|
ObjCInterfaceDecl *complete_iface_decl =
|
|
GetCompleteObjCInterface(interface_decl);
|
|
|
|
if (complete_iface_decl && (complete_iface_decl != interface_decl)) {
|
|
m_merger_up->ForceRecordOrigin(interface_decl, {complete_iface_decl, &complete_iface_decl->getASTContext()});
|
|
}
|
|
}
|
|
return GetMergerUnchecked().FindExternalLexicalDecls(decl_context,
|
|
predicate,
|
|
decls);
|
|
} else if (!m_ast_importer_sp)
|
|
return;
|
|
|
|
ClangASTMetrics::RegisterLexicalQuery();
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
const Decl *context_decl = dyn_cast<Decl>(decl_context);
|
|
|
|
if (!context_decl)
|
|
return;
|
|
|
|
auto iter = m_active_lexical_decls.find(context_decl);
|
|
if (iter != m_active_lexical_decls.end())
|
|
return;
|
|
m_active_lexical_decls.insert(context_decl);
|
|
ScopedLexicalDeclEraser eraser(m_active_lexical_decls, context_decl);
|
|
|
|
static unsigned int invocation_id = 0;
|
|
unsigned int current_id = invocation_id++;
|
|
|
|
if (log) {
|
|
if (const NamedDecl *context_named_decl = dyn_cast<NamedDecl>(context_decl))
|
|
log->Printf(
|
|
"FindExternalLexicalDecls[%u] on (ASTContext*)%p in '%s' (%sDecl*)%p",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
context_named_decl->getNameAsString().c_str(),
|
|
context_decl->getDeclKindName(),
|
|
static_cast<const void *>(context_decl));
|
|
else if (context_decl)
|
|
log->Printf(
|
|
"FindExternalLexicalDecls[%u] on (ASTContext*)%p in (%sDecl*)%p",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
context_decl->getDeclKindName(),
|
|
static_cast<const void *>(context_decl));
|
|
else
|
|
log->Printf(
|
|
"FindExternalLexicalDecls[%u] on (ASTContext*)%p in a NULL context",
|
|
current_id, static_cast<const void *>(m_ast_context));
|
|
}
|
|
|
|
Decl *original_decl = NULL;
|
|
ASTContext *original_ctx = NULL;
|
|
|
|
if (!m_ast_importer_sp->ResolveDeclOrigin(context_decl, &original_decl,
|
|
&original_ctx))
|
|
return;
|
|
|
|
if (log) {
|
|
log->Printf(" FELD[%u] Original decl (ASTContext*)%p (Decl*)%p:",
|
|
current_id, static_cast<void *>(original_ctx),
|
|
static_cast<void *>(original_decl));
|
|
ASTDumper(original_decl).ToLog(log, " ");
|
|
}
|
|
|
|
if (ObjCInterfaceDecl *original_iface_decl =
|
|
dyn_cast<ObjCInterfaceDecl>(original_decl)) {
|
|
ObjCInterfaceDecl *complete_iface_decl =
|
|
GetCompleteObjCInterface(original_iface_decl);
|
|
|
|
if (complete_iface_decl && (complete_iface_decl != original_iface_decl)) {
|
|
original_decl = complete_iface_decl;
|
|
original_ctx = &complete_iface_decl->getASTContext();
|
|
|
|
m_ast_importer_sp->SetDeclOrigin(context_decl, complete_iface_decl);
|
|
}
|
|
}
|
|
|
|
if (TagDecl *original_tag_decl = dyn_cast<TagDecl>(original_decl)) {
|
|
ExternalASTSource *external_source = original_ctx->getExternalSource();
|
|
|
|
if (external_source)
|
|
external_source->CompleteType(original_tag_decl);
|
|
}
|
|
|
|
const DeclContext *original_decl_context =
|
|
dyn_cast<DeclContext>(original_decl);
|
|
|
|
if (!original_decl_context)
|
|
return;
|
|
|
|
for (TagDecl::decl_iterator iter = original_decl_context->decls_begin();
|
|
iter != original_decl_context->decls_end(); ++iter) {
|
|
Decl *decl = *iter;
|
|
|
|
if (predicate(decl->getKind())) {
|
|
if (log) {
|
|
ASTDumper ast_dumper(decl);
|
|
if (const NamedDecl *context_named_decl =
|
|
dyn_cast<NamedDecl>(context_decl))
|
|
log->Printf(" FELD[%d] Adding [to %sDecl %s] lexical %sDecl %s",
|
|
current_id, context_named_decl->getDeclKindName(),
|
|
context_named_decl->getNameAsString().c_str(),
|
|
decl->getDeclKindName(), ast_dumper.GetCString());
|
|
else
|
|
log->Printf(" FELD[%d] Adding lexical %sDecl %s", current_id,
|
|
decl->getDeclKindName(), ast_dumper.GetCString());
|
|
}
|
|
|
|
Decl *copied_decl = CopyDecl(decl);
|
|
|
|
if (!copied_decl)
|
|
continue;
|
|
|
|
if (FieldDecl *copied_field = dyn_cast<FieldDecl>(copied_decl)) {
|
|
QualType copied_field_type = copied_field->getType();
|
|
|
|
m_ast_importer_sp->RequireCompleteType(copied_field_type);
|
|
}
|
|
|
|
DeclContext *decl_context_non_const =
|
|
const_cast<DeclContext *>(decl_context);
|
|
|
|
if (copied_decl->getDeclContext() != decl_context) {
|
|
if (copied_decl->getDeclContext()->containsDecl(copied_decl))
|
|
copied_decl->getDeclContext()->removeDecl(copied_decl);
|
|
copied_decl->setDeclContext(decl_context_non_const);
|
|
}
|
|
|
|
if (!decl_context_non_const->containsDecl(copied_decl))
|
|
decl_context_non_const->addDeclInternal(copied_decl);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
void ClangASTSource::FindExternalVisibleDecls(NameSearchContext &context) {
|
|
assert(m_ast_context);
|
|
|
|
ClangASTMetrics::RegisterVisibleQuery();
|
|
|
|
const ConstString name(context.m_decl_name.getAsString().c_str());
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
static unsigned int invocation_id = 0;
|
|
unsigned int current_id = invocation_id++;
|
|
|
|
if (log) {
|
|
if (!context.m_decl_context)
|
|
log->Printf("ClangASTSource::FindExternalVisibleDecls[%u] on "
|
|
"(ASTContext*)%p for '%s' in a NULL DeclContext",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
name.GetCString());
|
|
else if (const NamedDecl *context_named_decl =
|
|
dyn_cast<NamedDecl>(context.m_decl_context))
|
|
log->Printf("ClangASTSource::FindExternalVisibleDecls[%u] on "
|
|
"(ASTContext*)%p for '%s' in '%s'",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
name.GetCString(),
|
|
context_named_decl->getNameAsString().c_str());
|
|
else
|
|
log->Printf("ClangASTSource::FindExternalVisibleDecls[%u] on "
|
|
"(ASTContext*)%p for '%s' in a '%s'",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
name.GetCString(), context.m_decl_context->getDeclKindName());
|
|
}
|
|
|
|
if (HasMerger() && !isa<TranslationUnitDecl>(context.m_decl_context)
|
|
/* possibly handle NamespaceDecls here? */) {
|
|
if (auto *interface_decl =
|
|
dyn_cast<ObjCInterfaceDecl>(context.m_decl_context)) {
|
|
ObjCInterfaceDecl *complete_iface_decl =
|
|
GetCompleteObjCInterface(interface_decl);
|
|
|
|
if (complete_iface_decl && (complete_iface_decl != interface_decl)) {
|
|
GetMergerUnchecked().ForceRecordOrigin(
|
|
interface_decl,
|
|
{complete_iface_decl, &complete_iface_decl->getASTContext()});
|
|
}
|
|
}
|
|
|
|
GetMergerUnchecked().FindExternalVisibleDeclsByName(context.m_decl_context,
|
|
context.m_decl_name);
|
|
return; // otherwise we may need to fall back
|
|
}
|
|
|
|
context.m_namespace_map.reset(new ClangASTImporter::NamespaceMap);
|
|
|
|
if (const NamespaceDecl *namespace_context =
|
|
dyn_cast<NamespaceDecl>(context.m_decl_context)) {
|
|
ClangASTImporter::NamespaceMapSP namespace_map = m_ast_importer_sp ?
|
|
m_ast_importer_sp->GetNamespaceMap(namespace_context) : nullptr;
|
|
|
|
if (log && log->GetVerbose())
|
|
log->Printf(" CAS::FEVD[%u] Inspecting namespace map %p (%d entries)",
|
|
current_id, static_cast<void *>(namespace_map.get()),
|
|
static_cast<int>(namespace_map->size()));
|
|
|
|
if (!namespace_map)
|
|
return;
|
|
|
|
for (ClangASTImporter::NamespaceMap::iterator i = namespace_map->begin(),
|
|
e = namespace_map->end();
|
|
i != e; ++i) {
|
|
if (log)
|
|
log->Printf(" CAS::FEVD[%u] Searching namespace %s in module %s",
|
|
current_id, i->second.GetName().AsCString(),
|
|
i->first->GetFileSpec().GetFilename().GetCString());
|
|
|
|
FindExternalVisibleDecls(context, i->first, i->second, current_id);
|
|
}
|
|
} else if (isa<ObjCInterfaceDecl>(context.m_decl_context) && !HasMerger()) {
|
|
FindObjCPropertyAndIvarDecls(context);
|
|
} else if (!isa<TranslationUnitDecl>(context.m_decl_context)) {
|
|
// we shouldn't be getting FindExternalVisibleDecls calls for these
|
|
return;
|
|
} else {
|
|
CompilerDeclContext namespace_decl;
|
|
|
|
if (log)
|
|
log->Printf(" CAS::FEVD[%u] Searching the root namespace", current_id);
|
|
|
|
FindExternalVisibleDecls(context, lldb::ModuleSP(), namespace_decl,
|
|
current_id);
|
|
}
|
|
|
|
if (!context.m_namespace_map->empty()) {
|
|
if (log && log->GetVerbose())
|
|
log->Printf(" CAS::FEVD[%u] Registering namespace map %p (%d entries)",
|
|
current_id,
|
|
static_cast<void *>(context.m_namespace_map.get()),
|
|
static_cast<int>(context.m_namespace_map->size()));
|
|
|
|
NamespaceDecl *clang_namespace_decl =
|
|
AddNamespace(context, context.m_namespace_map);
|
|
|
|
if (clang_namespace_decl)
|
|
clang_namespace_decl->setHasExternalVisibleStorage();
|
|
}
|
|
}
|
|
|
|
bool ClangASTSource::IgnoreName(const ConstString name,
|
|
bool ignore_all_dollar_names) {
|
|
static const ConstString id_name("id");
|
|
static const ConstString Class_name("Class");
|
|
|
|
if (name == id_name || name == Class_name)
|
|
return true;
|
|
|
|
StringRef name_string_ref = name.GetStringRef();
|
|
|
|
// The ClangASTSource is not responsible for finding $-names.
|
|
if (name_string_ref.empty() ||
|
|
(ignore_all_dollar_names && name_string_ref.startswith("$")) ||
|
|
name_string_ref.startswith("_$"))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void ClangASTSource::FindExternalVisibleDecls(
|
|
NameSearchContext &context, lldb::ModuleSP module_sp,
|
|
CompilerDeclContext &namespace_decl, unsigned int current_id) {
|
|
assert(m_ast_context);
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
SymbolContextList sc_list;
|
|
|
|
const ConstString name(context.m_decl_name.getAsString().c_str());
|
|
if (IgnoreName(name, true))
|
|
return;
|
|
|
|
if (module_sp && namespace_decl) {
|
|
CompilerDeclContext found_namespace_decl;
|
|
|
|
SymbolVendor *symbol_vendor = module_sp->GetSymbolVendor();
|
|
|
|
if (symbol_vendor) {
|
|
SymbolContext null_sc;
|
|
|
|
found_namespace_decl =
|
|
symbol_vendor->FindNamespace(null_sc, name, &namespace_decl);
|
|
|
|
if (found_namespace_decl) {
|
|
context.m_namespace_map->push_back(
|
|
std::pair<lldb::ModuleSP, CompilerDeclContext>(
|
|
module_sp, found_namespace_decl));
|
|
|
|
if (log)
|
|
log->Printf(" CAS::FEVD[%u] Found namespace %s in module %s",
|
|
current_id, name.GetCString(),
|
|
module_sp->GetFileSpec().GetFilename().GetCString());
|
|
}
|
|
}
|
|
} else if (!HasMerger()) {
|
|
const ModuleList &target_images = m_target->GetImages();
|
|
std::lock_guard<std::recursive_mutex> guard(target_images.GetMutex());
|
|
|
|
for (size_t i = 0, e = target_images.GetSize(); i < e; ++i) {
|
|
lldb::ModuleSP image = target_images.GetModuleAtIndexUnlocked(i);
|
|
|
|
if (!image)
|
|
continue;
|
|
|
|
CompilerDeclContext found_namespace_decl;
|
|
|
|
SymbolVendor *symbol_vendor = image->GetSymbolVendor();
|
|
|
|
if (!symbol_vendor)
|
|
continue;
|
|
|
|
SymbolContext null_sc;
|
|
|
|
found_namespace_decl =
|
|
symbol_vendor->FindNamespace(null_sc, name, &namespace_decl);
|
|
|
|
if (found_namespace_decl) {
|
|
context.m_namespace_map->push_back(
|
|
std::pair<lldb::ModuleSP, CompilerDeclContext>(
|
|
image, found_namespace_decl));
|
|
|
|
if (log)
|
|
log->Printf(" CAS::FEVD[%u] Found namespace %s in module %s",
|
|
current_id, name.GetCString(),
|
|
image->GetFileSpec().GetFilename().GetCString());
|
|
}
|
|
}
|
|
}
|
|
|
|
do {
|
|
if (context.m_found.type)
|
|
break;
|
|
|
|
TypeList types;
|
|
SymbolContext null_sc;
|
|
const bool exact_match = false;
|
|
llvm::DenseSet<lldb_private::SymbolFile *> searched_symbol_files;
|
|
if (module_sp && namespace_decl)
|
|
module_sp->FindTypesInNamespace(null_sc, name, &namespace_decl, 1, types);
|
|
else
|
|
m_target->GetImages().FindTypes(null_sc, name, exact_match, 1,
|
|
searched_symbol_files, types);
|
|
|
|
if (size_t num_types = types.GetSize()) {
|
|
for (size_t ti = 0; ti < num_types; ++ti) {
|
|
lldb::TypeSP type_sp = types.GetTypeAtIndex(ti);
|
|
|
|
if (log) {
|
|
const char *name_string = type_sp->GetName().GetCString();
|
|
|
|
log->Printf(" CAS::FEVD[%u] Matching type found for \"%s\": %s",
|
|
current_id, name.GetCString(),
|
|
(name_string ? name_string : "<anonymous>"));
|
|
}
|
|
|
|
CompilerType full_type = type_sp->GetFullCompilerType();
|
|
|
|
CompilerType copied_clang_type(GuardedCopyType(full_type));
|
|
|
|
if (!copied_clang_type) {
|
|
if (log)
|
|
log->Printf(" CAS::FEVD[%u] - Couldn't export a type", current_id);
|
|
|
|
continue;
|
|
}
|
|
|
|
context.AddTypeDecl(copied_clang_type);
|
|
|
|
context.m_found.type = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!context.m_found.type) {
|
|
// Try the modules next.
|
|
|
|
do {
|
|
if (ClangModulesDeclVendor *modules_decl_vendor =
|
|
m_target->GetClangModulesDeclVendor()) {
|
|
bool append = false;
|
|
uint32_t max_matches = 1;
|
|
std::vector<clang::NamedDecl *> decls;
|
|
|
|
if (!modules_decl_vendor->FindDecls(name, append, max_matches, decls))
|
|
break;
|
|
|
|
if (log) {
|
|
log->Printf(" CAS::FEVD[%u] Matching entity found for \"%s\" in "
|
|
"the modules",
|
|
current_id, name.GetCString());
|
|
}
|
|
|
|
clang::NamedDecl *const decl_from_modules = decls[0];
|
|
|
|
if (llvm::isa<clang::TypeDecl>(decl_from_modules) ||
|
|
llvm::isa<clang::ObjCContainerDecl>(decl_from_modules) ||
|
|
llvm::isa<clang::EnumConstantDecl>(decl_from_modules)) {
|
|
clang::Decl *copied_decl = CopyDecl(decl_from_modules);
|
|
clang::NamedDecl *copied_named_decl =
|
|
copied_decl ? dyn_cast<clang::NamedDecl>(copied_decl) : nullptr;
|
|
|
|
if (!copied_named_decl) {
|
|
if (log)
|
|
log->Printf(
|
|
" CAS::FEVD[%u] - Couldn't export a type from the modules",
|
|
current_id);
|
|
|
|
break;
|
|
}
|
|
|
|
context.AddNamedDecl(copied_named_decl);
|
|
|
|
context.m_found.type = true;
|
|
}
|
|
}
|
|
} while (0);
|
|
}
|
|
|
|
if (!context.m_found.type) {
|
|
do {
|
|
// Couldn't find any types elsewhere. Try the Objective-C runtime if
|
|
// one exists.
|
|
|
|
lldb::ProcessSP process(m_target->GetProcessSP());
|
|
|
|
if (!process)
|
|
break;
|
|
|
|
ObjCLanguageRuntime *language_runtime(
|
|
process->GetObjCLanguageRuntime());
|
|
|
|
if (!language_runtime)
|
|
break;
|
|
|
|
DeclVendor *decl_vendor = language_runtime->GetDeclVendor();
|
|
|
|
if (!decl_vendor)
|
|
break;
|
|
|
|
bool append = false;
|
|
uint32_t max_matches = 1;
|
|
std::vector<clang::NamedDecl *> decls;
|
|
|
|
if (!decl_vendor->FindDecls(name, append, max_matches, decls))
|
|
break;
|
|
|
|
if (log) {
|
|
log->Printf(
|
|
" CAS::FEVD[%u] Matching type found for \"%s\" in the runtime",
|
|
current_id, name.GetCString());
|
|
}
|
|
|
|
clang::Decl *copied_decl = CopyDecl(decls[0]);
|
|
clang::NamedDecl *copied_named_decl =
|
|
copied_decl ? dyn_cast<clang::NamedDecl>(copied_decl) : nullptr;
|
|
|
|
if (!copied_named_decl) {
|
|
if (log)
|
|
log->Printf(
|
|
" CAS::FEVD[%u] - Couldn't export a type from the runtime",
|
|
current_id);
|
|
|
|
break;
|
|
}
|
|
|
|
context.AddNamedDecl(copied_named_decl);
|
|
} while (0);
|
|
}
|
|
|
|
} while (0);
|
|
}
|
|
|
|
template <class D> class TaggedASTDecl {
|
|
public:
|
|
TaggedASTDecl() : decl(NULL) {}
|
|
TaggedASTDecl(D *_decl) : decl(_decl) {}
|
|
bool IsValid() const { return (decl != NULL); }
|
|
bool IsInvalid() const { return !IsValid(); }
|
|
D *operator->() const { return decl; }
|
|
D *decl;
|
|
};
|
|
|
|
template <class D2, template <class D> class TD, class D1>
|
|
TD<D2> DynCast(TD<D1> source) {
|
|
return TD<D2>(dyn_cast<D2>(source.decl));
|
|
}
|
|
|
|
template <class D = Decl> class DeclFromParser;
|
|
template <class D = Decl> class DeclFromUser;
|
|
|
|
template <class D> class DeclFromParser : public TaggedASTDecl<D> {
|
|
public:
|
|
DeclFromParser() : TaggedASTDecl<D>() {}
|
|
DeclFromParser(D *_decl) : TaggedASTDecl<D>(_decl) {}
|
|
|
|
DeclFromUser<D> GetOrigin(ClangASTSource &source);
|
|
};
|
|
|
|
template <class D> class DeclFromUser : public TaggedASTDecl<D> {
|
|
public:
|
|
DeclFromUser() : TaggedASTDecl<D>() {}
|
|
DeclFromUser(D *_decl) : TaggedASTDecl<D>(_decl) {}
|
|
|
|
DeclFromParser<D> Import(ClangASTSource &source);
|
|
};
|
|
|
|
template <class D>
|
|
DeclFromUser<D> DeclFromParser<D>::GetOrigin(ClangASTSource &source) {
|
|
DeclFromUser<> origin_decl;
|
|
source.ResolveDeclOrigin(this->decl, &origin_decl.decl, NULL);
|
|
if (origin_decl.IsInvalid())
|
|
return DeclFromUser<D>();
|
|
return DeclFromUser<D>(dyn_cast<D>(origin_decl.decl));
|
|
}
|
|
|
|
template <class D>
|
|
DeclFromParser<D> DeclFromUser<D>::Import(ClangASTSource &source) {
|
|
DeclFromParser<> parser_generic_decl(source.CopyDecl(this->decl));
|
|
if (parser_generic_decl.IsInvalid())
|
|
return DeclFromParser<D>();
|
|
return DeclFromParser<D>(dyn_cast<D>(parser_generic_decl.decl));
|
|
}
|
|
|
|
bool ClangASTSource::FindObjCMethodDeclsWithOrigin(
|
|
unsigned int current_id, NameSearchContext &context,
|
|
ObjCInterfaceDecl *original_interface_decl, const char *log_info) {
|
|
const DeclarationName &decl_name(context.m_decl_name);
|
|
clang::ASTContext *original_ctx = &original_interface_decl->getASTContext();
|
|
|
|
Selector original_selector;
|
|
|
|
if (decl_name.isObjCZeroArgSelector()) {
|
|
IdentifierInfo *ident = &original_ctx->Idents.get(decl_name.getAsString());
|
|
original_selector = original_ctx->Selectors.getSelector(0, &ident);
|
|
} else if (decl_name.isObjCOneArgSelector()) {
|
|
const std::string &decl_name_string = decl_name.getAsString();
|
|
std::string decl_name_string_without_colon(decl_name_string.c_str(),
|
|
decl_name_string.length() - 1);
|
|
IdentifierInfo *ident =
|
|
&original_ctx->Idents.get(decl_name_string_without_colon);
|
|
original_selector = original_ctx->Selectors.getSelector(1, &ident);
|
|
} else {
|
|
SmallVector<IdentifierInfo *, 4> idents;
|
|
|
|
clang::Selector sel = decl_name.getObjCSelector();
|
|
|
|
unsigned num_args = sel.getNumArgs();
|
|
|
|
for (unsigned i = 0; i != num_args; ++i) {
|
|
idents.push_back(&original_ctx->Idents.get(sel.getNameForSlot(i)));
|
|
}
|
|
|
|
original_selector =
|
|
original_ctx->Selectors.getSelector(num_args, idents.data());
|
|
}
|
|
|
|
DeclarationName original_decl_name(original_selector);
|
|
|
|
llvm::SmallVector<NamedDecl *, 1> methods;
|
|
|
|
ClangASTContext::GetCompleteDecl(original_ctx, original_interface_decl);
|
|
|
|
if (ObjCMethodDecl *instance_method_decl =
|
|
original_interface_decl->lookupInstanceMethod(original_selector)) {
|
|
methods.push_back(instance_method_decl);
|
|
} else if (ObjCMethodDecl *class_method_decl =
|
|
original_interface_decl->lookupClassMethod(
|
|
original_selector)) {
|
|
methods.push_back(class_method_decl);
|
|
}
|
|
|
|
if (methods.empty()) {
|
|
return false;
|
|
}
|
|
|
|
for (NamedDecl *named_decl : methods) {
|
|
if (!named_decl)
|
|
continue;
|
|
|
|
ObjCMethodDecl *result_method = dyn_cast<ObjCMethodDecl>(named_decl);
|
|
|
|
if (!result_method)
|
|
continue;
|
|
|
|
Decl *copied_decl = CopyDecl(result_method);
|
|
|
|
if (!copied_decl)
|
|
continue;
|
|
|
|
ObjCMethodDecl *copied_method_decl = dyn_cast<ObjCMethodDecl>(copied_decl);
|
|
|
|
if (!copied_method_decl)
|
|
continue;
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
if (log) {
|
|
ASTDumper dumper((Decl *)copied_method_decl);
|
|
log->Printf(" CAS::FOMD[%d] found (%s) %s", current_id, log_info,
|
|
dumper.GetCString());
|
|
}
|
|
|
|
context.AddNamedDecl(copied_method_decl);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void ClangASTSource::FindObjCMethodDecls(NameSearchContext &context) {
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
if (HasMerger()) {
|
|
if (auto *interface_decl = dyn_cast<ObjCInterfaceDecl>(context.m_decl_context)) {
|
|
ObjCInterfaceDecl *complete_iface_decl =
|
|
GetCompleteObjCInterface(interface_decl);
|
|
|
|
if (complete_iface_decl && (complete_iface_decl != context.m_decl_context)) {
|
|
m_merger_up->ForceRecordOrigin(interface_decl, {complete_iface_decl, &complete_iface_decl->getASTContext()});
|
|
}
|
|
}
|
|
|
|
GetMergerUnchecked().FindExternalVisibleDeclsByName(context.m_decl_context,
|
|
context.m_decl_name);
|
|
return;
|
|
}
|
|
|
|
static unsigned int invocation_id = 0;
|
|
unsigned int current_id = invocation_id++;
|
|
|
|
const DeclarationName &decl_name(context.m_decl_name);
|
|
const DeclContext *decl_ctx(context.m_decl_context);
|
|
|
|
const ObjCInterfaceDecl *interface_decl =
|
|
dyn_cast<ObjCInterfaceDecl>(decl_ctx);
|
|
|
|
if (!interface_decl)
|
|
return;
|
|
|
|
do {
|
|
Decl *original_decl = NULL;
|
|
ASTContext *original_ctx = NULL;
|
|
|
|
m_ast_importer_sp->ResolveDeclOrigin(interface_decl, &original_decl,
|
|
&original_ctx);
|
|
|
|
if (!original_decl)
|
|
break;
|
|
|
|
ObjCInterfaceDecl *original_interface_decl =
|
|
dyn_cast<ObjCInterfaceDecl>(original_decl);
|
|
|
|
if (FindObjCMethodDeclsWithOrigin(current_id, context,
|
|
original_interface_decl, "at origin"))
|
|
return; // found it, no need to look any further
|
|
} while (0);
|
|
|
|
StreamString ss;
|
|
|
|
if (decl_name.isObjCZeroArgSelector()) {
|
|
ss.Printf("%s", decl_name.getAsString().c_str());
|
|
} else if (decl_name.isObjCOneArgSelector()) {
|
|
ss.Printf("%s", decl_name.getAsString().c_str());
|
|
} else {
|
|
clang::Selector sel = decl_name.getObjCSelector();
|
|
|
|
for (unsigned i = 0, e = sel.getNumArgs(); i != e; ++i) {
|
|
llvm::StringRef r = sel.getNameForSlot(i);
|
|
ss.Printf("%s:", r.str().c_str());
|
|
}
|
|
}
|
|
ss.Flush();
|
|
|
|
if (ss.GetString().contains("$__lldb"))
|
|
return; // we don't need any results
|
|
|
|
ConstString selector_name(ss.GetString());
|
|
|
|
if (log)
|
|
log->Printf("ClangASTSource::FindObjCMethodDecls[%d] on (ASTContext*)%p "
|
|
"for selector [%s %s]",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
interface_decl->getNameAsString().c_str(),
|
|
selector_name.AsCString());
|
|
SymbolContextList sc_list;
|
|
|
|
const bool include_symbols = false;
|
|
const bool include_inlines = false;
|
|
const bool append = false;
|
|
|
|
std::string interface_name = interface_decl->getNameAsString();
|
|
|
|
do {
|
|
StreamString ms;
|
|
ms.Printf("-[%s %s]", interface_name.c_str(), selector_name.AsCString());
|
|
ms.Flush();
|
|
ConstString instance_method_name(ms.GetString());
|
|
|
|
m_target->GetImages().FindFunctions(
|
|
instance_method_name, lldb::eFunctionNameTypeFull, include_symbols,
|
|
include_inlines, append, sc_list);
|
|
|
|
if (sc_list.GetSize())
|
|
break;
|
|
|
|
ms.Clear();
|
|
ms.Printf("+[%s %s]", interface_name.c_str(), selector_name.AsCString());
|
|
ms.Flush();
|
|
ConstString class_method_name(ms.GetString());
|
|
|
|
m_target->GetImages().FindFunctions(
|
|
class_method_name, lldb::eFunctionNameTypeFull, include_symbols,
|
|
include_inlines, append, sc_list);
|
|
|
|
if (sc_list.GetSize())
|
|
break;
|
|
|
|
// Fall back and check for methods in categories. If we find methods this
|
|
// way, we need to check that they're actually in
|
|
// categories on the desired class.
|
|
|
|
SymbolContextList candidate_sc_list;
|
|
|
|
m_target->GetImages().FindFunctions(
|
|
selector_name, lldb::eFunctionNameTypeSelector, include_symbols,
|
|
include_inlines, append, candidate_sc_list);
|
|
|
|
for (uint32_t ci = 0, ce = candidate_sc_list.GetSize(); ci != ce; ++ci) {
|
|
SymbolContext candidate_sc;
|
|
|
|
if (!candidate_sc_list.GetContextAtIndex(ci, candidate_sc))
|
|
continue;
|
|
|
|
if (!candidate_sc.function)
|
|
continue;
|
|
|
|
const char *candidate_name = candidate_sc.function->GetName().AsCString();
|
|
|
|
const char *cursor = candidate_name;
|
|
|
|
if (*cursor != '+' && *cursor != '-')
|
|
continue;
|
|
|
|
++cursor;
|
|
|
|
if (*cursor != '[')
|
|
continue;
|
|
|
|
++cursor;
|
|
|
|
size_t interface_len = interface_name.length();
|
|
|
|
if (strncmp(cursor, interface_name.c_str(), interface_len))
|
|
continue;
|
|
|
|
cursor += interface_len;
|
|
|
|
if (*cursor == ' ' || *cursor == '(')
|
|
sc_list.Append(candidate_sc);
|
|
}
|
|
} while (0);
|
|
|
|
if (sc_list.GetSize()) {
|
|
// We found a good function symbol. Use that.
|
|
|
|
for (uint32_t i = 0, e = sc_list.GetSize(); i != e; ++i) {
|
|
SymbolContext sc;
|
|
|
|
if (!sc_list.GetContextAtIndex(i, sc))
|
|
continue;
|
|
|
|
if (!sc.function)
|
|
continue;
|
|
|
|
CompilerDeclContext function_decl_ctx = sc.function->GetDeclContext();
|
|
if (!function_decl_ctx)
|
|
continue;
|
|
|
|
ObjCMethodDecl *method_decl =
|
|
ClangASTContext::DeclContextGetAsObjCMethodDecl(function_decl_ctx);
|
|
|
|
if (!method_decl)
|
|
continue;
|
|
|
|
ObjCInterfaceDecl *found_interface_decl =
|
|
method_decl->getClassInterface();
|
|
|
|
if (!found_interface_decl)
|
|
continue;
|
|
|
|
if (found_interface_decl->getName() == interface_decl->getName()) {
|
|
Decl *copied_decl = CopyDecl(method_decl);
|
|
|
|
if (!copied_decl)
|
|
continue;
|
|
|
|
ObjCMethodDecl *copied_method_decl =
|
|
dyn_cast<ObjCMethodDecl>(copied_decl);
|
|
|
|
if (!copied_method_decl)
|
|
continue;
|
|
|
|
if (log) {
|
|
ASTDumper dumper((Decl *)copied_method_decl);
|
|
log->Printf(" CAS::FOMD[%d] found (in symbols) %s", current_id,
|
|
dumper.GetCString());
|
|
}
|
|
|
|
context.AddNamedDecl(copied_method_decl);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// Try the debug information.
|
|
|
|
do {
|
|
ObjCInterfaceDecl *complete_interface_decl = GetCompleteObjCInterface(
|
|
const_cast<ObjCInterfaceDecl *>(interface_decl));
|
|
|
|
if (!complete_interface_decl)
|
|
break;
|
|
|
|
// We found the complete interface. The runtime never needs to be queried
|
|
// in this scenario.
|
|
|
|
DeclFromUser<const ObjCInterfaceDecl> complete_iface_decl(
|
|
complete_interface_decl);
|
|
|
|
if (complete_interface_decl == interface_decl)
|
|
break; // already checked this one
|
|
|
|
if (log)
|
|
log->Printf("CAS::FOPD[%d] trying origin "
|
|
"(ObjCInterfaceDecl*)%p/(ASTContext*)%p...",
|
|
current_id, static_cast<void *>(complete_interface_decl),
|
|
static_cast<void *>(&complete_iface_decl->getASTContext()));
|
|
|
|
FindObjCMethodDeclsWithOrigin(current_id, context, complete_interface_decl,
|
|
"in debug info");
|
|
|
|
return;
|
|
} while (0);
|
|
|
|
do {
|
|
// Check the modules only if the debug information didn't have a complete
|
|
// interface.
|
|
|
|
if (ClangModulesDeclVendor *modules_decl_vendor =
|
|
m_target->GetClangModulesDeclVendor()) {
|
|
ConstString interface_name(interface_decl->getNameAsString().c_str());
|
|
bool append = false;
|
|
uint32_t max_matches = 1;
|
|
std::vector<clang::NamedDecl *> decls;
|
|
|
|
if (!modules_decl_vendor->FindDecls(interface_name, append, max_matches,
|
|
decls))
|
|
break;
|
|
|
|
ObjCInterfaceDecl *interface_decl_from_modules =
|
|
dyn_cast<ObjCInterfaceDecl>(decls[0]);
|
|
|
|
if (!interface_decl_from_modules)
|
|
break;
|
|
|
|
if (FindObjCMethodDeclsWithOrigin(
|
|
current_id, context, interface_decl_from_modules, "in modules"))
|
|
return;
|
|
}
|
|
} while (0);
|
|
|
|
do {
|
|
// Check the runtime only if the debug information didn't have a complete
|
|
// interface and the modules don't get us anywhere.
|
|
|
|
lldb::ProcessSP process(m_target->GetProcessSP());
|
|
|
|
if (!process)
|
|
break;
|
|
|
|
ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime());
|
|
|
|
if (!language_runtime)
|
|
break;
|
|
|
|
DeclVendor *decl_vendor = language_runtime->GetDeclVendor();
|
|
|
|
if (!decl_vendor)
|
|
break;
|
|
|
|
ConstString interface_name(interface_decl->getNameAsString().c_str());
|
|
bool append = false;
|
|
uint32_t max_matches = 1;
|
|
std::vector<clang::NamedDecl *> decls;
|
|
|
|
if (!decl_vendor->FindDecls(interface_name, append, max_matches, decls))
|
|
break;
|
|
|
|
ObjCInterfaceDecl *runtime_interface_decl =
|
|
dyn_cast<ObjCInterfaceDecl>(decls[0]);
|
|
|
|
if (!runtime_interface_decl)
|
|
break;
|
|
|
|
FindObjCMethodDeclsWithOrigin(current_id, context, runtime_interface_decl,
|
|
"in runtime");
|
|
} while (0);
|
|
}
|
|
|
|
static bool FindObjCPropertyAndIvarDeclsWithOrigin(
|
|
unsigned int current_id, NameSearchContext &context, ClangASTSource &source,
|
|
DeclFromUser<const ObjCInterfaceDecl> &origin_iface_decl) {
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
if (origin_iface_decl.IsInvalid())
|
|
return false;
|
|
|
|
std::string name_str = context.m_decl_name.getAsString();
|
|
StringRef name(name_str);
|
|
IdentifierInfo &name_identifier(
|
|
origin_iface_decl->getASTContext().Idents.get(name));
|
|
|
|
DeclFromUser<ObjCPropertyDecl> origin_property_decl(
|
|
origin_iface_decl->FindPropertyDeclaration(
|
|
&name_identifier, ObjCPropertyQueryKind::OBJC_PR_query_instance));
|
|
|
|
bool found = false;
|
|
|
|
if (origin_property_decl.IsValid()) {
|
|
DeclFromParser<ObjCPropertyDecl> parser_property_decl(
|
|
origin_property_decl.Import(source));
|
|
if (parser_property_decl.IsValid()) {
|
|
if (log) {
|
|
ASTDumper dumper((Decl *)parser_property_decl.decl);
|
|
log->Printf(" CAS::FOPD[%d] found %s", current_id,
|
|
dumper.GetCString());
|
|
}
|
|
|
|
context.AddNamedDecl(parser_property_decl.decl);
|
|
found = true;
|
|
}
|
|
}
|
|
|
|
DeclFromUser<ObjCIvarDecl> origin_ivar_decl(
|
|
origin_iface_decl->getIvarDecl(&name_identifier));
|
|
|
|
if (origin_ivar_decl.IsValid()) {
|
|
DeclFromParser<ObjCIvarDecl> parser_ivar_decl(
|
|
origin_ivar_decl.Import(source));
|
|
if (parser_ivar_decl.IsValid()) {
|
|
if (log) {
|
|
ASTDumper dumper((Decl *)parser_ivar_decl.decl);
|
|
log->Printf(" CAS::FOPD[%d] found %s", current_id,
|
|
dumper.GetCString());
|
|
}
|
|
|
|
context.AddNamedDecl(parser_ivar_decl.decl);
|
|
found = true;
|
|
}
|
|
}
|
|
|
|
return found;
|
|
}
|
|
|
|
void ClangASTSource::FindObjCPropertyAndIvarDecls(NameSearchContext &context) {
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
static unsigned int invocation_id = 0;
|
|
unsigned int current_id = invocation_id++;
|
|
|
|
DeclFromParser<const ObjCInterfaceDecl> parser_iface_decl(
|
|
cast<ObjCInterfaceDecl>(context.m_decl_context));
|
|
DeclFromUser<const ObjCInterfaceDecl> origin_iface_decl(
|
|
parser_iface_decl.GetOrigin(*this));
|
|
|
|
ConstString class_name(parser_iface_decl->getNameAsString().c_str());
|
|
|
|
if (log)
|
|
log->Printf("ClangASTSource::FindObjCPropertyAndIvarDecls[%d] on "
|
|
"(ASTContext*)%p for '%s.%s'",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
parser_iface_decl->getNameAsString().c_str(),
|
|
context.m_decl_name.getAsString().c_str());
|
|
|
|
if (FindObjCPropertyAndIvarDeclsWithOrigin(
|
|
current_id, context, *this, origin_iface_decl))
|
|
return;
|
|
|
|
if (log)
|
|
log->Printf("CAS::FOPD[%d] couldn't find the property on origin "
|
|
"(ObjCInterfaceDecl*)%p/(ASTContext*)%p, searching "
|
|
"elsewhere...",
|
|
current_id, static_cast<const void *>(origin_iface_decl.decl),
|
|
static_cast<void *>(&origin_iface_decl->getASTContext()));
|
|
|
|
SymbolContext null_sc;
|
|
TypeList type_list;
|
|
|
|
do {
|
|
ObjCInterfaceDecl *complete_interface_decl = GetCompleteObjCInterface(
|
|
const_cast<ObjCInterfaceDecl *>(parser_iface_decl.decl));
|
|
|
|
if (!complete_interface_decl)
|
|
break;
|
|
|
|
// We found the complete interface. The runtime never needs to be queried
|
|
// in this scenario.
|
|
|
|
DeclFromUser<const ObjCInterfaceDecl> complete_iface_decl(
|
|
complete_interface_decl);
|
|
|
|
if (complete_iface_decl.decl == origin_iface_decl.decl)
|
|
break; // already checked this one
|
|
|
|
if (log)
|
|
log->Printf("CAS::FOPD[%d] trying origin "
|
|
"(ObjCInterfaceDecl*)%p/(ASTContext*)%p...",
|
|
current_id,
|
|
static_cast<const void *>(complete_iface_decl.decl),
|
|
static_cast<void *>(&complete_iface_decl->getASTContext()));
|
|
|
|
FindObjCPropertyAndIvarDeclsWithOrigin(current_id, context, *this,
|
|
complete_iface_decl);
|
|
|
|
return;
|
|
} while (0);
|
|
|
|
do {
|
|
// Check the modules only if the debug information didn't have a complete
|
|
// interface.
|
|
|
|
ClangModulesDeclVendor *modules_decl_vendor =
|
|
m_target->GetClangModulesDeclVendor();
|
|
|
|
if (!modules_decl_vendor)
|
|
break;
|
|
|
|
bool append = false;
|
|
uint32_t max_matches = 1;
|
|
std::vector<clang::NamedDecl *> decls;
|
|
|
|
if (!modules_decl_vendor->FindDecls(class_name, append, max_matches, decls))
|
|
break;
|
|
|
|
DeclFromUser<const ObjCInterfaceDecl> interface_decl_from_modules(
|
|
dyn_cast<ObjCInterfaceDecl>(decls[0]));
|
|
|
|
if (!interface_decl_from_modules.IsValid())
|
|
break;
|
|
|
|
if (log)
|
|
log->Printf(
|
|
"CAS::FOPD[%d] trying module "
|
|
"(ObjCInterfaceDecl*)%p/(ASTContext*)%p...",
|
|
current_id,
|
|
static_cast<const void *>(interface_decl_from_modules.decl),
|
|
static_cast<void *>(&interface_decl_from_modules->getASTContext()));
|
|
|
|
if (FindObjCPropertyAndIvarDeclsWithOrigin(current_id, context, *this,
|
|
interface_decl_from_modules))
|
|
return;
|
|
} while (0);
|
|
|
|
do {
|
|
// Check the runtime only if the debug information didn't have a complete
|
|
// interface
|
|
// and nothing was in the modules.
|
|
|
|
lldb::ProcessSP process(m_target->GetProcessSP());
|
|
|
|
if (!process)
|
|
return;
|
|
|
|
ObjCLanguageRuntime *language_runtime(process->GetObjCLanguageRuntime());
|
|
|
|
if (!language_runtime)
|
|
return;
|
|
|
|
DeclVendor *decl_vendor = language_runtime->GetDeclVendor();
|
|
|
|
if (!decl_vendor)
|
|
break;
|
|
|
|
bool append = false;
|
|
uint32_t max_matches = 1;
|
|
std::vector<clang::NamedDecl *> decls;
|
|
|
|
if (!decl_vendor->FindDecls(class_name, append, max_matches, decls))
|
|
break;
|
|
|
|
DeclFromUser<const ObjCInterfaceDecl> interface_decl_from_runtime(
|
|
dyn_cast<ObjCInterfaceDecl>(decls[0]));
|
|
|
|
if (!interface_decl_from_runtime.IsValid())
|
|
break;
|
|
|
|
if (log)
|
|
log->Printf(
|
|
"CAS::FOPD[%d] trying runtime "
|
|
"(ObjCInterfaceDecl*)%p/(ASTContext*)%p...",
|
|
current_id,
|
|
static_cast<const void *>(interface_decl_from_runtime.decl),
|
|
static_cast<void *>(&interface_decl_from_runtime->getASTContext()));
|
|
|
|
if (FindObjCPropertyAndIvarDeclsWithOrigin(
|
|
current_id, context, *this, interface_decl_from_runtime))
|
|
return;
|
|
} while (0);
|
|
}
|
|
|
|
typedef llvm::DenseMap<const FieldDecl *, uint64_t> FieldOffsetMap;
|
|
typedef llvm::DenseMap<const CXXRecordDecl *, CharUnits> BaseOffsetMap;
|
|
|
|
template <class D, class O>
|
|
static bool ImportOffsetMap(llvm::DenseMap<const D *, O> &destination_map,
|
|
llvm::DenseMap<const D *, O> &source_map,
|
|
ClangASTSource &source) {
|
|
// When importing fields into a new record, clang has a hard requirement that
|
|
// fields be imported in field offset order. Since they are stored in a
|
|
// DenseMap
|
|
// with a pointer as the key type, this means we cannot simply iterate over
|
|
// the
|
|
// map, as the order will be non-deterministic. Instead we have to sort by
|
|
// the offset
|
|
// and then insert in sorted order.
|
|
typedef llvm::DenseMap<const D *, O> MapType;
|
|
typedef typename MapType::value_type PairType;
|
|
std::vector<PairType> sorted_items;
|
|
sorted_items.reserve(source_map.size());
|
|
sorted_items.assign(source_map.begin(), source_map.end());
|
|
std::sort(sorted_items.begin(), sorted_items.end(),
|
|
[](const PairType &lhs, const PairType &rhs) {
|
|
return lhs.second < rhs.second;
|
|
});
|
|
|
|
for (const auto &item : sorted_items) {
|
|
DeclFromUser<D> user_decl(const_cast<D *>(item.first));
|
|
DeclFromParser<D> parser_decl(user_decl.Import(source));
|
|
if (parser_decl.IsInvalid())
|
|
return false;
|
|
destination_map.insert(
|
|
std::pair<const D *, O>(parser_decl.decl, item.second));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
template <bool IsVirtual>
|
|
bool ExtractBaseOffsets(const ASTRecordLayout &record_layout,
|
|
DeclFromUser<const CXXRecordDecl> &record,
|
|
BaseOffsetMap &base_offsets) {
|
|
for (CXXRecordDecl::base_class_const_iterator
|
|
bi = (IsVirtual ? record->vbases_begin() : record->bases_begin()),
|
|
be = (IsVirtual ? record->vbases_end() : record->bases_end());
|
|
bi != be; ++bi) {
|
|
if (!IsVirtual && bi->isVirtual())
|
|
continue;
|
|
|
|
const clang::Type *origin_base_type = bi->getType().getTypePtr();
|
|
const clang::RecordType *origin_base_record_type =
|
|
origin_base_type->getAs<RecordType>();
|
|
|
|
if (!origin_base_record_type)
|
|
return false;
|
|
|
|
DeclFromUser<RecordDecl> origin_base_record(
|
|
origin_base_record_type->getDecl());
|
|
|
|
if (origin_base_record.IsInvalid())
|
|
return false;
|
|
|
|
DeclFromUser<CXXRecordDecl> origin_base_cxx_record(
|
|
DynCast<CXXRecordDecl>(origin_base_record));
|
|
|
|
if (origin_base_cxx_record.IsInvalid())
|
|
return false;
|
|
|
|
CharUnits base_offset;
|
|
|
|
if (IsVirtual)
|
|
base_offset =
|
|
record_layout.getVBaseClassOffset(origin_base_cxx_record.decl);
|
|
else
|
|
base_offset =
|
|
record_layout.getBaseClassOffset(origin_base_cxx_record.decl);
|
|
|
|
base_offsets.insert(std::pair<const CXXRecordDecl *, CharUnits>(
|
|
origin_base_cxx_record.decl, base_offset));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ClangASTSource::layoutRecordType(const RecordDecl *record, uint64_t &size,
|
|
uint64_t &alignment,
|
|
FieldOffsetMap &field_offsets,
|
|
BaseOffsetMap &base_offsets,
|
|
BaseOffsetMap &virtual_base_offsets) {
|
|
ClangASTMetrics::RegisterRecordLayout();
|
|
|
|
static unsigned int invocation_id = 0;
|
|
unsigned int current_id = invocation_id++;
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
if (log)
|
|
log->Printf("LayoutRecordType[%u] on (ASTContext*)%p for (RecordDecl*)%p "
|
|
"[name = '%s']",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
static_cast<const void *>(record),
|
|
record->getNameAsString().c_str());
|
|
|
|
DeclFromParser<const RecordDecl> parser_record(record);
|
|
DeclFromUser<const RecordDecl> origin_record(
|
|
parser_record.GetOrigin(*this));
|
|
|
|
if (origin_record.IsInvalid())
|
|
return false;
|
|
|
|
FieldOffsetMap origin_field_offsets;
|
|
BaseOffsetMap origin_base_offsets;
|
|
BaseOffsetMap origin_virtual_base_offsets;
|
|
|
|
ClangASTContext::GetCompleteDecl(
|
|
&origin_record->getASTContext(),
|
|
const_cast<RecordDecl *>(origin_record.decl));
|
|
|
|
clang::RecordDecl *definition = origin_record.decl->getDefinition();
|
|
if (!definition || !definition->isCompleteDefinition())
|
|
return false;
|
|
|
|
const ASTRecordLayout &record_layout(
|
|
origin_record->getASTContext().getASTRecordLayout(origin_record.decl));
|
|
|
|
int field_idx = 0, field_count = record_layout.getFieldCount();
|
|
|
|
for (RecordDecl::field_iterator fi = origin_record->field_begin(),
|
|
fe = origin_record->field_end();
|
|
fi != fe; ++fi) {
|
|
if (field_idx >= field_count)
|
|
return false; // Layout didn't go well. Bail out.
|
|
|
|
uint64_t field_offset = record_layout.getFieldOffset(field_idx);
|
|
|
|
origin_field_offsets.insert(
|
|
std::pair<const FieldDecl *, uint64_t>(*fi, field_offset));
|
|
|
|
field_idx++;
|
|
}
|
|
|
|
lldbassert(&record->getASTContext() == m_ast_context);
|
|
|
|
DeclFromUser<const CXXRecordDecl> origin_cxx_record(
|
|
DynCast<const CXXRecordDecl>(origin_record));
|
|
|
|
if (origin_cxx_record.IsValid()) {
|
|
if (!ExtractBaseOffsets<false>(record_layout, origin_cxx_record,
|
|
origin_base_offsets) ||
|
|
!ExtractBaseOffsets<true>(record_layout, origin_cxx_record,
|
|
origin_virtual_base_offsets))
|
|
return false;
|
|
}
|
|
|
|
if (!ImportOffsetMap(field_offsets, origin_field_offsets, *this) ||
|
|
!ImportOffsetMap(base_offsets, origin_base_offsets, *this) ||
|
|
!ImportOffsetMap(virtual_base_offsets, origin_virtual_base_offsets,
|
|
*this))
|
|
return false;
|
|
|
|
size = record_layout.getSize().getQuantity() * m_ast_context->getCharWidth();
|
|
alignment = record_layout.getAlignment().getQuantity() *
|
|
m_ast_context->getCharWidth();
|
|
|
|
if (log) {
|
|
log->Printf("LRT[%u] returned:", current_id);
|
|
log->Printf("LRT[%u] Original = (RecordDecl*)%p", current_id,
|
|
static_cast<const void *>(origin_record.decl));
|
|
log->Printf("LRT[%u] Size = %" PRId64, current_id, size);
|
|
log->Printf("LRT[%u] Alignment = %" PRId64, current_id, alignment);
|
|
log->Printf("LRT[%u] Fields:", current_id);
|
|
for (RecordDecl::field_iterator fi = record->field_begin(),
|
|
fe = record->field_end();
|
|
fi != fe; ++fi) {
|
|
log->Printf("LRT[%u] (FieldDecl*)%p, Name = '%s', Offset = %" PRId64
|
|
" bits",
|
|
current_id, static_cast<void *>(*fi),
|
|
fi->getNameAsString().c_str(), field_offsets[*fi]);
|
|
}
|
|
DeclFromParser<const CXXRecordDecl> parser_cxx_record =
|
|
DynCast<const CXXRecordDecl>(parser_record);
|
|
if (parser_cxx_record.IsValid()) {
|
|
log->Printf("LRT[%u] Bases:", current_id);
|
|
for (CXXRecordDecl::base_class_const_iterator
|
|
bi = parser_cxx_record->bases_begin(),
|
|
be = parser_cxx_record->bases_end();
|
|
bi != be; ++bi) {
|
|
bool is_virtual = bi->isVirtual();
|
|
|
|
QualType base_type = bi->getType();
|
|
const RecordType *base_record_type = base_type->getAs<RecordType>();
|
|
DeclFromParser<RecordDecl> base_record(base_record_type->getDecl());
|
|
DeclFromParser<CXXRecordDecl> base_cxx_record =
|
|
DynCast<CXXRecordDecl>(base_record);
|
|
|
|
log->Printf(
|
|
"LRT[%u] %s(CXXRecordDecl*)%p, Name = '%s', Offset = %" PRId64
|
|
" chars",
|
|
current_id, (is_virtual ? "Virtual " : ""),
|
|
static_cast<void *>(base_cxx_record.decl),
|
|
base_cxx_record.decl->getNameAsString().c_str(),
|
|
(is_virtual
|
|
? virtual_base_offsets[base_cxx_record.decl].getQuantity()
|
|
: base_offsets[base_cxx_record.decl].getQuantity()));
|
|
}
|
|
} else {
|
|
log->Printf("LRD[%u] Not a CXXRecord, so no bases", current_id);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void ClangASTSource::CompleteNamespaceMap(
|
|
ClangASTImporter::NamespaceMapSP &namespace_map, const ConstString &name,
|
|
ClangASTImporter::NamespaceMapSP &parent_map) const {
|
|
static unsigned int invocation_id = 0;
|
|
unsigned int current_id = invocation_id++;
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
if (log) {
|
|
if (parent_map && parent_map->size())
|
|
log->Printf("CompleteNamespaceMap[%u] on (ASTContext*)%p Searching for "
|
|
"namespace %s in namespace %s",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
name.GetCString(),
|
|
parent_map->begin()->second.GetName().AsCString());
|
|
else
|
|
log->Printf("CompleteNamespaceMap[%u] on (ASTContext*)%p Searching for "
|
|
"namespace %s",
|
|
current_id, static_cast<void *>(m_ast_context),
|
|
name.GetCString());
|
|
}
|
|
|
|
if (parent_map) {
|
|
for (ClangASTImporter::NamespaceMap::iterator i = parent_map->begin(),
|
|
e = parent_map->end();
|
|
i != e; ++i) {
|
|
CompilerDeclContext found_namespace_decl;
|
|
|
|
lldb::ModuleSP module_sp = i->first;
|
|
CompilerDeclContext module_parent_namespace_decl = i->second;
|
|
|
|
SymbolVendor *symbol_vendor = module_sp->GetSymbolVendor();
|
|
|
|
if (!symbol_vendor)
|
|
continue;
|
|
|
|
SymbolContext null_sc;
|
|
|
|
found_namespace_decl = symbol_vendor->FindNamespace(
|
|
null_sc, name, &module_parent_namespace_decl);
|
|
|
|
if (!found_namespace_decl)
|
|
continue;
|
|
|
|
namespace_map->push_back(std::pair<lldb::ModuleSP, CompilerDeclContext>(
|
|
module_sp, found_namespace_decl));
|
|
|
|
if (log)
|
|
log->Printf(" CMN[%u] Found namespace %s in module %s", current_id,
|
|
name.GetCString(),
|
|
module_sp->GetFileSpec().GetFilename().GetCString());
|
|
}
|
|
} else {
|
|
const ModuleList &target_images = m_target->GetImages();
|
|
std::lock_guard<std::recursive_mutex> guard(target_images.GetMutex());
|
|
|
|
CompilerDeclContext null_namespace_decl;
|
|
|
|
for (size_t i = 0, e = target_images.GetSize(); i < e; ++i) {
|
|
lldb::ModuleSP image = target_images.GetModuleAtIndexUnlocked(i);
|
|
|
|
if (!image)
|
|
continue;
|
|
|
|
CompilerDeclContext found_namespace_decl;
|
|
|
|
SymbolVendor *symbol_vendor = image->GetSymbolVendor();
|
|
|
|
if (!symbol_vendor)
|
|
continue;
|
|
|
|
SymbolContext null_sc;
|
|
|
|
found_namespace_decl =
|
|
symbol_vendor->FindNamespace(null_sc, name, &null_namespace_decl);
|
|
|
|
if (!found_namespace_decl)
|
|
continue;
|
|
|
|
namespace_map->push_back(std::pair<lldb::ModuleSP, CompilerDeclContext>(
|
|
image, found_namespace_decl));
|
|
|
|
if (log)
|
|
log->Printf(" CMN[%u] Found namespace %s in module %s", current_id,
|
|
name.GetCString(),
|
|
image->GetFileSpec().GetFilename().GetCString());
|
|
}
|
|
}
|
|
}
|
|
|
|
NamespaceDecl *ClangASTSource::AddNamespace(
|
|
NameSearchContext &context,
|
|
ClangASTImporter::NamespaceMapSP &namespace_decls) {
|
|
if (!namespace_decls)
|
|
return nullptr;
|
|
|
|
const CompilerDeclContext &namespace_decl = namespace_decls->begin()->second;
|
|
|
|
clang::ASTContext *src_ast =
|
|
ClangASTContext::DeclContextGetClangASTContext(namespace_decl);
|
|
if (!src_ast)
|
|
return nullptr;
|
|
clang::NamespaceDecl *src_namespace_decl =
|
|
ClangASTContext::DeclContextGetAsNamespaceDecl(namespace_decl);
|
|
|
|
if (!src_namespace_decl)
|
|
return nullptr;
|
|
|
|
Decl *copied_decl = CopyDecl(src_namespace_decl);
|
|
|
|
if (!copied_decl)
|
|
return nullptr;
|
|
|
|
NamespaceDecl *copied_namespace_decl = dyn_cast<NamespaceDecl>(copied_decl);
|
|
|
|
if (!copied_namespace_decl)
|
|
return nullptr;
|
|
|
|
context.m_decls.push_back(copied_namespace_decl);
|
|
|
|
m_ast_importer_sp->RegisterNamespaceMap(copied_namespace_decl,
|
|
namespace_decls);
|
|
|
|
return dyn_cast<NamespaceDecl>(copied_decl);
|
|
}
|
|
|
|
clang::QualType ClangASTSource::CopyTypeWithMerger(
|
|
clang::ASTContext &from_context,
|
|
clang::ExternalASTMerger &merger,
|
|
clang::QualType type) {
|
|
if (!merger.HasImporterForOrigin(from_context)) {
|
|
lldbassert(0 && "Couldn't find the importer for a source context!");
|
|
return QualType();
|
|
}
|
|
|
|
return merger.ImporterForOrigin(from_context).Import(type);
|
|
}
|
|
|
|
clang::Decl *ClangASTSource::CopyDecl(Decl *src_decl) {
|
|
clang::ASTContext &from_context = src_decl->getASTContext();
|
|
if (m_ast_importer_sp) {
|
|
return m_ast_importer_sp->CopyDecl(m_ast_context, &from_context, src_decl);
|
|
} else if (m_merger_up) {
|
|
if (!m_merger_up->HasImporterForOrigin(from_context)) {
|
|
lldbassert(0 && "Couldn't find the importer for a source context!");
|
|
return nullptr;
|
|
}
|
|
|
|
return m_merger_up->ImporterForOrigin(from_context).Import(src_decl);
|
|
} else {
|
|
lldbassert(0 && "No mechanism for copying a decl!");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
bool ClangASTSource::ResolveDeclOrigin(const clang::Decl *decl,
|
|
clang::Decl **original_decl,
|
|
clang::ASTContext **original_ctx) {
|
|
if (m_ast_importer_sp) {
|
|
return m_ast_importer_sp->ResolveDeclOrigin(decl, original_decl,
|
|
original_ctx);
|
|
} else if (m_merger_up) {
|
|
return false; // Implement this correctly in ExternalASTMerger
|
|
} else {
|
|
// this can happen early enough that no ExternalASTSource is installed.
|
|
return false;
|
|
}
|
|
}
|
|
|
|
clang::ExternalASTMerger &ClangASTSource::GetMergerUnchecked() {
|
|
lldbassert(m_merger_up != nullptr);
|
|
return *m_merger_up;
|
|
}
|
|
|
|
CompilerType ClangASTSource::GuardedCopyType(const CompilerType &src_type) {
|
|
ClangASTContext *src_ast =
|
|
llvm::dyn_cast_or_null<ClangASTContext>(src_type.GetTypeSystem());
|
|
if (src_ast == nullptr)
|
|
return CompilerType();
|
|
|
|
ClangASTMetrics::RegisterLLDBImport();
|
|
|
|
SetImportInProgress(true);
|
|
|
|
QualType copied_qual_type;
|
|
|
|
if (m_ast_importer_sp) {
|
|
copied_qual_type =
|
|
m_ast_importer_sp->CopyType(m_ast_context, src_ast->getASTContext(),
|
|
ClangUtil::GetQualType(src_type));
|
|
} else if (m_merger_up) {
|
|
copied_qual_type =
|
|
CopyTypeWithMerger(*src_ast->getASTContext(), *m_merger_up,
|
|
ClangUtil::GetQualType(src_type));
|
|
} else {
|
|
lldbassert(0 && "No mechanism for copying a type!");
|
|
return CompilerType();
|
|
}
|
|
|
|
SetImportInProgress(false);
|
|
|
|
if (copied_qual_type.getAsOpaquePtr() &&
|
|
copied_qual_type->getCanonicalTypeInternal().isNull())
|
|
// this shouldn't happen, but we're hardening because the AST importer seems
|
|
// to be generating bad types
|
|
// on occasion.
|
|
return CompilerType();
|
|
|
|
return CompilerType(m_ast_context, copied_qual_type);
|
|
}
|
|
|
|
clang::NamedDecl *NameSearchContext::AddVarDecl(const CompilerType &type) {
|
|
assert(type && "Type for variable must be valid!");
|
|
|
|
if (!type.IsValid())
|
|
return NULL;
|
|
|
|
ClangASTContext *lldb_ast =
|
|
llvm::dyn_cast<ClangASTContext>(type.GetTypeSystem());
|
|
if (!lldb_ast)
|
|
return NULL;
|
|
|
|
IdentifierInfo *ii = m_decl_name.getAsIdentifierInfo();
|
|
|
|
clang::ASTContext *ast = lldb_ast->getASTContext();
|
|
|
|
clang::NamedDecl *Decl = VarDecl::Create(
|
|
*ast, const_cast<DeclContext *>(m_decl_context), SourceLocation(),
|
|
SourceLocation(), ii, ClangUtil::GetQualType(type), 0, SC_Static);
|
|
m_decls.push_back(Decl);
|
|
|
|
return Decl;
|
|
}
|
|
|
|
clang::NamedDecl *NameSearchContext::AddFunDecl(const CompilerType &type,
|
|
bool extern_c) {
|
|
assert(type && "Type for variable must be valid!");
|
|
|
|
if (!type.IsValid())
|
|
return NULL;
|
|
|
|
if (m_function_types.count(type))
|
|
return NULL;
|
|
|
|
ClangASTContext *lldb_ast =
|
|
llvm::dyn_cast<ClangASTContext>(type.GetTypeSystem());
|
|
if (!lldb_ast)
|
|
return NULL;
|
|
|
|
m_function_types.insert(type);
|
|
|
|
QualType qual_type(ClangUtil::GetQualType(type));
|
|
|
|
clang::ASTContext *ast = lldb_ast->getASTContext();
|
|
|
|
const bool isInlineSpecified = false;
|
|
const bool hasWrittenPrototype = true;
|
|
const bool isConstexprSpecified = false;
|
|
|
|
clang::DeclContext *context = const_cast<DeclContext *>(m_decl_context);
|
|
|
|
if (extern_c) {
|
|
context = LinkageSpecDecl::Create(
|
|
*ast, context, SourceLocation(), SourceLocation(),
|
|
clang::LinkageSpecDecl::LanguageIDs::lang_c, false);
|
|
}
|
|
|
|
// Pass the identifier info for functions the decl_name is needed for
|
|
// operators
|
|
clang::DeclarationName decl_name =
|
|
m_decl_name.getNameKind() == DeclarationName::Identifier
|
|
? m_decl_name.getAsIdentifierInfo()
|
|
: m_decl_name;
|
|
|
|
clang::FunctionDecl *func_decl = FunctionDecl::Create(
|
|
*ast, context, SourceLocation(), SourceLocation(), decl_name, qual_type,
|
|
NULL, SC_Extern, isInlineSpecified, hasWrittenPrototype,
|
|
isConstexprSpecified);
|
|
|
|
// We have to do more than just synthesize the FunctionDecl. We have to
|
|
// synthesize ParmVarDecls for all of the FunctionDecl's arguments. To do
|
|
// this, we raid the function's FunctionProtoType for types.
|
|
|
|
const FunctionProtoType *func_proto_type =
|
|
qual_type.getTypePtr()->getAs<FunctionProtoType>();
|
|
|
|
if (func_proto_type) {
|
|
unsigned NumArgs = func_proto_type->getNumParams();
|
|
unsigned ArgIndex;
|
|
|
|
SmallVector<ParmVarDecl *, 5> parm_var_decls;
|
|
|
|
for (ArgIndex = 0; ArgIndex < NumArgs; ++ArgIndex) {
|
|
QualType arg_qual_type(func_proto_type->getParamType(ArgIndex));
|
|
|
|
parm_var_decls.push_back(ParmVarDecl::Create(
|
|
*ast, const_cast<DeclContext *>(context), SourceLocation(),
|
|
SourceLocation(), NULL, arg_qual_type, NULL, SC_Static, NULL));
|
|
}
|
|
|
|
func_decl->setParams(ArrayRef<ParmVarDecl *>(parm_var_decls));
|
|
} else {
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS));
|
|
|
|
if (log)
|
|
log->Printf("Function type wasn't a FunctionProtoType");
|
|
}
|
|
|
|
m_decls.push_back(func_decl);
|
|
|
|
return func_decl;
|
|
}
|
|
|
|
clang::NamedDecl *NameSearchContext::AddGenericFunDecl() {
|
|
FunctionProtoType::ExtProtoInfo proto_info;
|
|
|
|
proto_info.Variadic = true;
|
|
|
|
QualType generic_function_type(m_ast_source.m_ast_context->getFunctionType(
|
|
m_ast_source.m_ast_context->UnknownAnyTy, // result
|
|
ArrayRef<QualType>(), // argument types
|
|
proto_info));
|
|
|
|
return AddFunDecl(
|
|
CompilerType(m_ast_source.m_ast_context, generic_function_type), true);
|
|
}
|
|
|
|
clang::NamedDecl *
|
|
NameSearchContext::AddTypeDecl(const CompilerType &clang_type) {
|
|
if (ClangUtil::IsClangType(clang_type)) {
|
|
QualType qual_type = ClangUtil::GetQualType(clang_type);
|
|
|
|
if (const TypedefType *typedef_type =
|
|
llvm::dyn_cast<TypedefType>(qual_type)) {
|
|
TypedefNameDecl *typedef_name_decl = typedef_type->getDecl();
|
|
|
|
m_decls.push_back(typedef_name_decl);
|
|
|
|
return (NamedDecl *)typedef_name_decl;
|
|
} else if (const TagType *tag_type = qual_type->getAs<TagType>()) {
|
|
TagDecl *tag_decl = tag_type->getDecl();
|
|
|
|
m_decls.push_back(tag_decl);
|
|
|
|
return tag_decl;
|
|
} else if (const ObjCObjectType *objc_object_type =
|
|
qual_type->getAs<ObjCObjectType>()) {
|
|
ObjCInterfaceDecl *interface_decl = objc_object_type->getInterface();
|
|
|
|
m_decls.push_back((NamedDecl *)interface_decl);
|
|
|
|
return (NamedDecl *)interface_decl;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void NameSearchContext::AddLookupResult(clang::DeclContextLookupResult result) {
|
|
for (clang::NamedDecl *decl : result)
|
|
m_decls.push_back(decl);
|
|
}
|
|
|
|
void NameSearchContext::AddNamedDecl(clang::NamedDecl *decl) {
|
|
m_decls.push_back(decl);
|
|
}
|