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Diffstat (limited to 'lldb/source/Core/SearchFilter.cpp')
| -rw-r--r-- | lldb/source/Core/SearchFilter.cpp | 435 |
1 files changed, 435 insertions, 0 deletions
diff --git a/lldb/source/Core/SearchFilter.cpp b/lldb/source/Core/SearchFilter.cpp new file mode 100644 index 00000000000..4c54a912801 --- /dev/null +++ b/lldb/source/Core/SearchFilter.cpp @@ -0,0 +1,435 @@ +//===-- SearchFilter.cpp ----------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes + +#include "lldb/lldb-private.h" +#include "lldb/Core/SearchFilter.h" +#include "lldb/Target/Target.h" + +using namespace lldb; +using namespace lldb_private; + +//---------------------------------------------------------------------- +// SearchFilter constructor +//---------------------------------------------------------------------- +Searcher::Searcher () +{ + +} + +Searcher::~Searcher () +{ + +} + +void +Searcher::GetDescription (Stream *s) +{ +} + +//---------------------------------------------------------------------- +// SearchFilter constructor +//---------------------------------------------------------------------- +SearchFilter::SearchFilter(lldb::TargetSP &target_sp) : + m_target_sp (target_sp) +{ +} + +//---------------------------------------------------------------------- +// SearchFilter copy constructor +//---------------------------------------------------------------------- +SearchFilter::SearchFilter(const SearchFilter& rhs) : + m_target_sp (rhs.m_target_sp) +{ +} + +//---------------------------------------------------------------------- +// SearchFilter assignment operator +//---------------------------------------------------------------------- +const SearchFilter& +SearchFilter::operator=(const SearchFilter& rhs) +{ + m_target_sp = rhs.m_target_sp; + return *this; +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +SearchFilter::~SearchFilter() +{ +} + +bool +SearchFilter::ModulePasses (const FileSpec &spec) +{ + return true; +} + +bool +SearchFilter::ModulePasses (const ModuleSP &module_sp) +{ + return true; +} + +bool +SearchFilter::SymbolContextPasses +( + const SymbolContext &context, + lldb::SymbolContextItem scope +) +{ + return true; +} + +bool +SearchFilter::AddressPasses (Address &address) +{ + return true; +} + +bool +SearchFilter::CompUnitPasses (FileSpec &fileSpec) +{ + return true; +} + +bool +SearchFilter::CompUnitPasses (CompileUnit &compUnit) +{ + return true; +} + +void +SearchFilter::GetDescription (Stream *s) +{ + s->PutCString("No Filter"); +} + +void +SearchFilter::Dump (Stream *s) const +{ + +} + +//---------------------------------------------------------------------- +// UTILITY Functions to help iterate down through the elements of the +// SymbolContext. +//---------------------------------------------------------------------- + +void +SearchFilter::Search (Searcher &searcher) +{ + SymbolContext empty_sc; + + if (m_target_sp == NULL) + return; + empty_sc.target_sp = m_target_sp; + + if (searcher.GetDepth() == Searcher::eDepthTarget) + searcher.SearchCallback (*this, empty_sc, NULL, false); + else + DoModuleIteration(empty_sc, searcher); +} + +void +SearchFilter::SearchInModuleList (Searcher &searcher, ModuleList &modules) +{ + SymbolContext empty_sc; + + if (m_target_sp == NULL) + return; + empty_sc.target_sp = m_target_sp; + + if (searcher.GetDepth() == Searcher::eDepthTarget) + searcher.SearchCallback (*this, empty_sc, NULL, false); + else + { + size_t numModules = modules.GetSize(); + + for (int i = 0; i < numModules; i++) + { + ModuleSP module_sp(modules.GetModuleAtIndex(i)); + if (ModulePasses(module_sp)) + { + if (DoModuleIteration(module_sp, searcher) == Searcher::eCallbackReturnStop) + return; + } + } + } +} + + +Searcher::CallbackReturn +SearchFilter::DoModuleIteration (const lldb::ModuleSP& module_sp, Searcher &searcher) +{ + SymbolContext matchingContext (m_target_sp, module_sp); + return DoModuleIteration(matchingContext, searcher); +} + +Searcher::CallbackReturn +SearchFilter::DoModuleIteration (const SymbolContext &context, Searcher &searcher) +{ + Searcher::CallbackReturn shouldContinue; + + if (searcher.GetDepth () >= Searcher::eDepthModule) + { + if (!context.module_sp) + { + size_t n_modules = m_target_sp->GetImages().GetSize(); + for (int i = 0; i < n_modules; i++) + { + // If this is the last level supplied, then call the callback directly, + // otherwise descend. + ModuleSP module_sp(m_target_sp->GetImages().GetModuleAtIndex(i)); + if (!ModulePasses (module_sp)) + continue; + + if (searcher.GetDepth () == Searcher::eDepthModule) + { + SymbolContext matchingContext(m_target_sp, module_sp); + + shouldContinue = searcher.SearchCallback (*this, matchingContext, NULL, false); + if (shouldContinue == Searcher::eCallbackReturnStop + || shouldContinue == Searcher::eCallbackReturnPop) + return shouldContinue; + } + else + { + shouldContinue = DoCUIteration(module_sp, context, searcher); + if (shouldContinue == Searcher::eCallbackReturnStop) + return shouldContinue; + else if (shouldContinue == Searcher::eCallbackReturnPop) + continue; + } + } + } + else + { + if (searcher.GetDepth () == Searcher::eDepthModule) + { + SymbolContext matchingContext(context.module_sp.get()); + + shouldContinue = searcher.SearchCallback (*this, matchingContext, NULL, false); + } + else + { + return DoCUIteration(context.module_sp, context, searcher); + } + } + + } + return Searcher::eCallbackReturnContinue; +} + +Searcher::CallbackReturn +SearchFilter::DoCUIteration (const ModuleSP &module_sp, const SymbolContext &context, Searcher &searcher) +{ + Searcher::CallbackReturn shouldContinue; + if (context.comp_unit == NULL) + { + uint32_t num_comp_units = module_sp->GetNumCompileUnits(); + for (uint32_t i = 0; i < num_comp_units; i++) + { + CompUnitSP cu_sp (module_sp->GetCompileUnitAtIndex (i)); + if (!CompUnitPasses (*(cu_sp.get()))) + continue; + + if (searcher.GetDepth () == Searcher::eDepthCompUnit) + { + SymbolContext matchingContext(m_target_sp, module_sp, cu_sp.get()); + + shouldContinue = searcher.SearchCallback (*this, matchingContext, NULL, false); + + if (shouldContinue == Searcher::eCallbackReturnPop) + return Searcher::eCallbackReturnContinue; + else if (shouldContinue == Searcher::eCallbackReturnStop) + return shouldContinue; + } + else + { + // FIXME Descend to block. + } + + } + } + else + { + if (CompUnitPasses(*context.comp_unit)) + { + SymbolContext matchingContext (m_target_sp, module_sp, context.comp_unit); + return searcher.SearchCallback (*this, matchingContext, NULL, false); + } + } + return Searcher::eCallbackReturnContinue; +} + +Searcher::CallbackReturn +SearchFilter::DoFunctionIteration (Function *function, const SymbolContext &context, Searcher &searcher) +{ + // FIXME: Implement... + return Searcher::eCallbackReturnContinue; +} + +//---------------------------------------------------------------------- +// SearchFilterByModule: +// Selects a shared library matching a given file spec +//---------------------------------------------------------------------- + +//---------------------------------------------------------------------- +// SearchFilterByModule constructors +//---------------------------------------------------------------------- + +SearchFilterByModule::SearchFilterByModule (lldb::TargetSP &target_sp, const FileSpec &module) : + SearchFilter (target_sp), + m_module_spec (module) +{ +} + + +//---------------------------------------------------------------------- +// SearchFilterByModule copy constructor +//---------------------------------------------------------------------- +SearchFilterByModule::SearchFilterByModule(const SearchFilterByModule& rhs) : + SearchFilter (rhs), + m_module_spec (rhs.m_module_spec) +{ +} + +//---------------------------------------------------------------------- +// SearchFilterByModule assignment operator +//---------------------------------------------------------------------- +const SearchFilterByModule& +SearchFilterByModule::operator=(const SearchFilterByModule& rhs) +{ + m_target_sp = rhs.m_target_sp; + m_module_spec = rhs.m_module_spec; + return *this; +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +SearchFilterByModule::~SearchFilterByModule() +{ +} + +bool +SearchFilterByModule::ModulePasses (const ModuleSP &module_sp) +{ + if (module_sp && FileSpec::Compare (module_sp->GetFileSpec(), m_module_spec, false) == 0) + return true; + else + return false; +} + +bool +SearchFilterByModule::ModulePasses (const FileSpec &spec) +{ + if (FileSpec::Compare(spec, m_module_spec, false) == 0) + return true; + else + return false; +} + +bool +SearchFilterByModule::SymbolContextPasses +( + const SymbolContext &context, + lldb::SymbolContextItem scope + ) +{ + if (!(scope & eSymbolContextModule)) + return false; + + if (context.module_sp && FileSpec::Compare (context.module_sp->GetFileSpec(), m_module_spec, false) == 0) + return true; + else + return false; +} + +bool +SearchFilterByModule::AddressPasses (Address &address) +{ + // FIXME: Not yet implemented + return true; +} + + +bool +SearchFilterByModule::CompUnitPasses (FileSpec &fileSpec) +{ + return true; +} + +bool +SearchFilterByModule::CompUnitPasses (CompileUnit &compUnit) +{ + return true; +} + +void +SearchFilterByModule::Search (Searcher &searcher) +{ + if (!m_target_sp) + return; + + if (searcher.GetDepth() == Searcher::eDepthTarget) + { + SymbolContext empty_sc; + empty_sc.target_sp = m_target_sp; + searcher.SearchCallback (*this, empty_sc, NULL, false); + } + + // If the module file spec is a full path, then we can just find the one + // filespec that passes. Otherwise, we need to go through all modules and + // find the ones that match the file name. + + ModuleList matching_modules; + // const size_t num_matching_modules = m_target_sp->GetImages().FindModules(&m_module_spec, NULL, NULL, NULL, matching_modules); + for (int i = 0; i < m_target_sp->GetImages().GetSize (); i++) + { + Module* module = m_target_sp->GetImages().GetModulePointerAtIndex(i); + if (FileSpec::Compare (m_module_spec, module->GetFileSpec(), false) == 0) + { + SymbolContext matchingContext(m_target_sp, module->GetSP()); + Searcher::CallbackReturn shouldContinue; + + shouldContinue = DoModuleIteration(matchingContext, searcher); + if (shouldContinue == Searcher::eCallbackReturnStop) + return; + } + } +} + +void +SearchFilterByModule::GetDescription (Stream *s) +{ + s->PutCString("In module "); + if (s->GetVerbose()) + { + char buffer[2048]; + m_module_spec.GetPath(buffer, 2047); + s->PutCString(buffer); + } + else + { + s->PutCString(m_module_spec.GetFilename().AsCString("<unknown>")); + } +} + +void +SearchFilterByModule::Dump (Stream *s) const +{ + +} |
