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