Merge lldb r188801 to contrib/llvm/tools/lldb/

1 files changed, 134 insertions, 0 deletions

diff --git a/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileRegex.cpp b/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileRegex.cpp
new file mode 100644
index 0000000..de974d0
--- /dev/null
+++ b/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileRegex.cpp
@@ -0,0 +1,134 @@
+//===-- BreakpointResolverFileRegex.cpp --------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Breakpoint/BreakpointResolverFileRegex.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Breakpoint/BreakpointLocation.h"
+#include "lldb/Core/SourceManager.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Symbol/CompileUnit.h"
+#include "lldb/Target/Target.h"
+#include "lldb/lldb-private-log.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// BreakpointResolverFileRegex:
+//----------------------------------------------------------------------
+BreakpointResolverFileRegex::BreakpointResolverFileRegex
+(
+    Breakpoint *bkpt,
+    RegularExpression &regex
+) :
+    BreakpointResolver (bkpt, BreakpointResolver::FileLineResolver),
+    m_regex (regex)
+{
+}
+
+BreakpointResolverFileRegex::~BreakpointResolverFileRegex ()
+{
+}
+
+Searcher::CallbackReturn
+BreakpointResolverFileRegex::SearchCallback
+(
+    SearchFilter &filter,
+    SymbolContext &context,
+    Address *addr,
+    bool containing
+)
+{
+
+    assert (m_breakpoint != NULL);
+    if (!context.target_sp)
+        return eCallbackReturnContinue;
+        
+    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
+
+    CompileUnit *cu = context.comp_unit;
+    FileSpec cu_file_spec = *(static_cast<FileSpec *>(cu));
+    std::vector<uint32_t> line_matches;
+    context.target_sp->GetSourceManager().FindLinesMatchingRegex(cu_file_spec, m_regex, 1, UINT32_MAX, line_matches); 
+    uint32_t num_matches = line_matches.size();
+    for (uint32_t i = 0; i < num_matches; i++)
+    {
+        uint32_t start_idx = 0;
+        bool exact = false;
+        while (1)
+        {
+            LineEntry line_entry;
+        
+            // Cycle through all the line entries that might match this one:
+            start_idx = cu->FindLineEntry (start_idx, line_matches[i], NULL, exact, &line_entry);
+            if (start_idx == UINT32_MAX)
+                break;
+            exact = true;
+            start_idx++;
+            
+            Address line_start = line_entry.range.GetBaseAddress();
+            if (line_start.IsValid())
+            {
+                if (filter.AddressPasses(line_start))
+                {
+                    BreakpointLocationSP bp_loc_sp (m_breakpoint->AddLocation(line_start));
+                    if (log && bp_loc_sp && !m_breakpoint->IsInternal())
+                    {
+                        StreamString s;
+                        bp_loc_sp->GetDescription (&s, lldb::eDescriptionLevelVerbose);
+                        log->Printf ("Added location: %s\n", s.GetData());
+                    }
+                }
+                else if (log)
+                {
+                    log->Printf ("Breakpoint at file address 0x%" PRIx64 " for %s:%d didn't pass filter.\n",
+                                 line_start.GetFileAddress(),
+                                 cu_file_spec.GetFilename().AsCString("<Unknown>"),
+                                 line_matches[i]);
+                }
+            }
+            else
+            {
+                if (log)
+                    log->Printf ("error: Unable to set breakpoint at file address 0x%" PRIx64 " for %s:%d\n",
+                                 line_start.GetFileAddress(),
+                                 cu_file_spec.GetFilename().AsCString("<Unknown>"),
+                                 line_matches[i]);
+            }
+
+        }
+    }
+    assert (m_breakpoint != NULL);        
+
+    return Searcher::eCallbackReturnContinue;
+}
+
+Searcher::Depth
+BreakpointResolverFileRegex::GetDepth()
+{
+    return Searcher::eDepthCompUnit;
+}
+
+void
+BreakpointResolverFileRegex::GetDescription (Stream *s)
+{
+    s->Printf ("source regex = \"%s\"", m_regex.GetText());
+}
+
+void
+BreakpointResolverFileRegex::Dump (Stream *s) const
+{
+
+}
+