87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
//===-- ClangPersistentVariables.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 "ClangPersistentVariables.h"
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#include "lldb/Core/Value.h"
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#include "lldb/Utility/DataExtractor.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/StreamString.h"
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#include "clang/AST/Decl.h"
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#include "llvm/ADT/StringMap.h"
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using namespace lldb;
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using namespace lldb_private;
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ClangPersistentVariables::ClangPersistentVariables()
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: lldb_private::PersistentExpressionState(LLVMCastKind::eKindClang),
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m_next_persistent_variable_id(0) {}
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ExpressionVariableSP ClangPersistentVariables::CreatePersistentVariable(
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const lldb::ValueObjectSP &valobj_sp) {
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return AddNewlyConstructedVariable(new ClangExpressionVariable(valobj_sp));
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}
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ExpressionVariableSP ClangPersistentVariables::CreatePersistentVariable(
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ExecutionContextScope *exe_scope, const ConstString &name,
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const CompilerType &compiler_type, lldb::ByteOrder byte_order,
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uint32_t addr_byte_size) {
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return AddNewlyConstructedVariable(new ClangExpressionVariable(
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exe_scope, name, compiler_type, byte_order, addr_byte_size));
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}
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void ClangPersistentVariables::RemovePersistentVariable(
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lldb::ExpressionVariableSP variable) {
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RemoveVariable(variable);
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const char *name = variable->GetName().AsCString();
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if (*name != '$')
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return;
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name++;
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if (strtoul(name, NULL, 0) == m_next_persistent_variable_id - 1)
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m_next_persistent_variable_id--;
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}
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ConstString ClangPersistentVariables::GetNextPersistentVariableName() {
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char name_cstr[256];
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::snprintf(name_cstr, sizeof(name_cstr), "$%u",
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m_next_persistent_variable_id++);
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ConstString name(name_cstr);
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return name;
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}
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void ClangPersistentVariables::RegisterPersistentDecl(const ConstString &name,
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clang::NamedDecl *decl) {
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m_persistent_decls.insert(
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std::pair<const char *, clang::NamedDecl *>(name.GetCString(), decl));
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if (clang::EnumDecl *enum_decl = llvm::dyn_cast<clang::EnumDecl>(decl)) {
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for (clang::EnumConstantDecl *enumerator_decl : enum_decl->enumerators()) {
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m_persistent_decls.insert(std::pair<const char *, clang::NamedDecl *>(
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ConstString(enumerator_decl->getNameAsString()).GetCString(),
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enumerator_decl));
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}
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}
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}
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clang::NamedDecl *
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ClangPersistentVariables::GetPersistentDecl(const ConstString &name) {
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PersistentDeclMap::const_iterator i =
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m_persistent_decls.find(name.GetCString());
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if (i == m_persistent_decls.end())
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return NULL;
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else
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return i->second;
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}
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