forked from OSchip/llvm-project
135 lines
4.1 KiB
C++
135 lines
4.1 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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#include "lldb/lldb-private-log.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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) :
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BreakpointResolver (bkpt, BreakpointResolver::FileLineResolver),
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m_regex (regex)
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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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LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
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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 (int i = 0; i < num_matches; i++)
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{
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uint32_t start_idx = 0;
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bool exact = false;
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while (1)
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{
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LineEntry line_entry;
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// Cycle through all the line entries that might match this one:
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start_idx = cu->FindLineEntry (start_idx, line_matches[i], NULL, exact, &line_entry);
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if (start_idx == UINT32_MAX)
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break;
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exact = true;
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start_idx++;
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Address line_start = line_entry.range.GetBaseAddress();
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if (line_start.IsValid())
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{
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if (filter.AddressPasses(line_start))
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{
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BreakpointLocationSP bp_loc_sp (m_breakpoint->AddLocation(line_start));
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if (log && bp_loc_sp && !m_breakpoint->IsInternal())
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{
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StreamString s;
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bp_loc_sp->GetDescription (&s, lldb::eDescriptionLevelVerbose);
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log->Printf ("Added location: %s\n", s.GetData());
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}
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}
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else if (log)
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{
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log->Printf ("Breakpoint at file address 0x%" PRIx64 " for %s:%d didn't pass filter.\n",
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line_start.GetFileAddress(),
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cu_file_spec.GetFilename().AsCString("<Unknown>"),
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line_matches[i]);
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}
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}
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else
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{
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if (log)
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log->Printf ("error: Unable to set breakpoint at file address 0x%" PRIx64 " for %s:%d\n",
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line_start.GetFileAddress(),
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cu_file_spec.GetFilename().AsCString("<Unknown>"),
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line_matches[i]);
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}
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}
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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\"", m_regex.GetText());
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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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