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Diffstat (limited to 'source/Expression/ASTStructExtractor.cpp')
| -rw-r--r-- | source/Expression/ASTStructExtractor.cpp | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/source/Expression/ASTStructExtractor.cpp b/source/Expression/ASTStructExtractor.cpp deleted file mode 100644 index 98628db..0000000 --- a/source/Expression/ASTStructExtractor.cpp +++ /dev/null @@ -1,220 +0,0 @@ -//===-- ASTStructExtractor.cpp ----------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "stdlib.h" -#include "clang/AST/ASTContext.h" -#include "clang/AST/Decl.h" -#include "clang/AST/DeclCXX.h" -#include "clang/AST/DeclGroup.h" -#include "clang/AST/Expr.h" -#include "clang/AST/RecordLayout.h" -#include "clang/AST/Stmt.h" -#include "clang/Parse/Parser.h" -#include "clang/Sema/Sema.h" -#include "llvm/Support/Casting.h" -#include "llvm/Support/raw_ostream.h" -#include "lldb/Core/Log.h" -#include "lldb/Expression/ASTStructExtractor.h" - -using namespace llvm; -using namespace clang; -using namespace lldb_private; - -ASTStructExtractor::ASTStructExtractor(ASTConsumer *passthrough, - const char *struct_name, - ClangFunction &function) : - m_ast_context (NULL), - m_passthrough (passthrough), - m_passthrough_sema (NULL), - m_sema (NULL), - m_action (NULL), - m_function (function), - m_struct_name (struct_name) -{ - if (!m_passthrough) - return; - - m_passthrough_sema = dyn_cast<SemaConsumer>(passthrough); -} - -ASTStructExtractor::~ASTStructExtractor() -{ -} - -void -ASTStructExtractor::Initialize(ASTContext &Context) -{ - m_ast_context = &Context; - - if (m_passthrough) - m_passthrough->Initialize(Context); -} - -void -ASTStructExtractor::ExtractFromFunctionDecl(FunctionDecl *F) -{ - if (!F->hasBody()) - return; - - Stmt *body_stmt = F->getBody(); - CompoundStmt *body_compound_stmt = dyn_cast<CompoundStmt>(body_stmt); - - if (!body_compound_stmt) - return; // do we have to handle this? - - RecordDecl *struct_decl = NULL; - - StringRef desired_name(m_struct_name.c_str()); - - for (CompoundStmt::const_body_iterator bi = body_compound_stmt->body_begin(), be = body_compound_stmt->body_end(); - bi != be; - ++bi) - { - Stmt *curr_stmt = *bi; - DeclStmt *curr_decl_stmt = dyn_cast<DeclStmt>(curr_stmt); - if (!curr_decl_stmt) - continue; - DeclGroupRef decl_group = curr_decl_stmt->getDeclGroup(); - for (Decl *candidate_decl : decl_group) - { - RecordDecl *candidate_record_decl = dyn_cast<RecordDecl>(candidate_decl); - if (!candidate_record_decl) - continue; - if (candidate_record_decl->getName() == desired_name) - { - struct_decl = candidate_record_decl; - break; - } - } - if (struct_decl) - break; - } - - if (!struct_decl) - return; - - const ASTRecordLayout* struct_layout(&m_ast_context->getASTRecordLayout (struct_decl)); - - if (!struct_layout) - return; - - m_function.m_struct_size = struct_layout->getSize().getQuantity(); // TODO Store m_struct_size as CharUnits - m_function.m_return_offset = struct_layout->getFieldOffset(struct_layout->getFieldCount() - 1) / 8; - m_function.m_return_size = struct_layout->getDataSize().getQuantity() - m_function.m_return_offset; - - for (unsigned field_index = 0, num_fields = struct_layout->getFieldCount(); - field_index < num_fields; - ++field_index) - { - m_function.m_member_offsets.push_back(struct_layout->getFieldOffset(field_index) / 8); - } - - m_function.m_struct_valid = true; -} - -void -ASTStructExtractor::ExtractFromTopLevelDecl(Decl* D) -{ - LinkageSpecDecl *linkage_spec_decl = dyn_cast<LinkageSpecDecl>(D); - - if (linkage_spec_decl) - { - RecordDecl::decl_iterator decl_iterator; - - for (decl_iterator = linkage_spec_decl->decls_begin(); - decl_iterator != linkage_spec_decl->decls_end(); - ++decl_iterator) - { - ExtractFromTopLevelDecl(*decl_iterator); - } - } - - FunctionDecl *function_decl = dyn_cast<FunctionDecl>(D); - - if (m_ast_context && - function_decl && - !m_function.m_wrapper_function_name.compare(function_decl->getNameAsString().c_str())) - { - ExtractFromFunctionDecl(function_decl); - } -} - -bool -ASTStructExtractor::HandleTopLevelDecl(DeclGroupRef D) -{ - DeclGroupRef::iterator decl_iterator; - - for (decl_iterator = D.begin(); - decl_iterator != D.end(); - ++decl_iterator) - { - Decl *decl = *decl_iterator; - - ExtractFromTopLevelDecl(decl); - } - - if (m_passthrough) - return m_passthrough->HandleTopLevelDecl(D); - return true; -} - -void -ASTStructExtractor::HandleTranslationUnit(ASTContext &Ctx) -{ - if (m_passthrough) - m_passthrough->HandleTranslationUnit(Ctx); -} - -void -ASTStructExtractor::HandleTagDeclDefinition(TagDecl *D) -{ - if (m_passthrough) - m_passthrough->HandleTagDeclDefinition(D); -} - -void -ASTStructExtractor::CompleteTentativeDefinition(VarDecl *D) -{ - if (m_passthrough) - m_passthrough->CompleteTentativeDefinition(D); -} - -void -ASTStructExtractor::HandleVTable(CXXRecordDecl *RD) -{ - if (m_passthrough) - m_passthrough->HandleVTable(RD); -} - -void -ASTStructExtractor::PrintStats() -{ - if (m_passthrough) - m_passthrough->PrintStats(); -} - -void -ASTStructExtractor::InitializeSema(Sema &S) -{ - m_sema = &S; - m_action = reinterpret_cast<Action*>(m_sema); - - if (m_passthrough_sema) - m_passthrough_sema->InitializeSema(S); -} - -void -ASTStructExtractor::ForgetSema() -{ - m_sema = NULL; - m_action = NULL; - - if (m_passthrough_sema) - m_passthrough_sema->ForgetSema(); -} |
