forked from OSchip/llvm-project
139 lines
4.0 KiB
C++
139 lines
4.0 KiB
C++
//===-- BreakpointResolverFileRegex.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 "lldb/Breakpoint/BreakpointResolverFileRegex.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Core/SourceManager.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Target/Target.h"
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using namespace lldb;
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// BreakpointResolverFileRegex:
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//----------------------------------------------------------------------
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BreakpointResolverFileRegex::BreakpointResolverFileRegex
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(
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Breakpoint *bkpt,
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RegularExpression ®ex,
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const std::unordered_set<std::string> &func_names,
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bool exact_match
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) :
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BreakpointResolver (bkpt, BreakpointResolver::FileLineResolver),
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m_regex (regex),
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m_exact_match (exact_match),
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m_function_names(func_names)
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{
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}
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BreakpointResolverFileRegex::~BreakpointResolverFileRegex ()
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{
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}
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Searcher::CallbackReturn
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BreakpointResolverFileRegex::SearchCallback
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(
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SearchFilter &filter,
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SymbolContext &context,
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Address *addr,
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bool containing
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)
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{
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assert (m_breakpoint != NULL);
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if (!context.target_sp)
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return eCallbackReturnContinue;
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CompileUnit *cu = context.comp_unit;
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FileSpec cu_file_spec = *(static_cast<FileSpec *>(cu));
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std::vector<uint32_t> line_matches;
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context.target_sp->GetSourceManager().FindLinesMatchingRegex(cu_file_spec, m_regex, 1, UINT32_MAX, line_matches);
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uint32_t num_matches = line_matches.size();
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for (uint32_t i = 0; i < num_matches; i++)
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{
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SymbolContextList sc_list;
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const bool search_inlines = false;
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cu->ResolveSymbolContext (cu_file_spec, line_matches[i], search_inlines, m_exact_match, eSymbolContextEverything, sc_list);
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// Find all the function names:
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if (!m_function_names.empty())
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{
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std::vector<size_t> sc_to_remove;
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for (size_t i = 0; i < sc_list.GetSize(); i++)
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{
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SymbolContext sc_ctx;
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sc_list.GetContextAtIndex(i, sc_ctx);
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std::string name(sc_ctx.GetFunctionName(Mangled::NamePreference::ePreferDemangledWithoutArguments).AsCString());
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if (!m_function_names.count(name))
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{
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sc_to_remove.push_back(i);
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}
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}
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if (!sc_to_remove.empty())
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{
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std::vector<size_t>::reverse_iterator iter;
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std::vector<size_t>::reverse_iterator rend = sc_to_remove.rend();
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for (iter = sc_to_remove.rbegin(); iter != rend; iter++)
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{
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sc_list.RemoveContextAtIndex(*iter);
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}
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}
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}
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const bool skip_prologue = true;
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BreakpointResolver::SetSCMatchesByLine (filter, sc_list, skip_prologue, m_regex.GetText());
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}
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assert (m_breakpoint != NULL);
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return Searcher::eCallbackReturnContinue;
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}
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Searcher::Depth
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BreakpointResolverFileRegex::GetDepth()
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{
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return Searcher::eDepthCompUnit;
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}
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void
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BreakpointResolverFileRegex::GetDescription (Stream *s)
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{
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s->Printf ("source regex = \"%s\", exact_match = %d", m_regex.GetText(), m_exact_match);
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}
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void
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BreakpointResolverFileRegex::Dump (Stream *s) const
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{
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}
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lldb::BreakpointResolverSP
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BreakpointResolverFileRegex::CopyForBreakpoint (Breakpoint &breakpoint)
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{
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lldb::BreakpointResolverSP ret_sp(new BreakpointResolverFileRegex(&breakpoint, m_regex, m_function_names, m_exact_match));
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return ret_sp;
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}
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void
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BreakpointResolverFileRegex::AddFunctionName(const char *func_name)
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{
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m_function_names.insert(func_name);
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}
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