Import lldb as of SVN r188801

(A number of files not required for the FreeBSD build have been removed.)

Sponsored by:	DARPA, AFRL

1 files changed, 117 insertions, 0 deletions

diff --git a/source/Core/FileLineResolver.cpp b/source/Core/FileLineResolver.cpp
new file mode 100644
index 0000000..15cbbe6
--- /dev/null
+++ b/source/Core/FileLineResolver.cpp
@@ -0,0 +1,117 @@
+//===-- FileLineResolver.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/Core/FileLineResolver.h"
+
+// Project includes
+#include "lldb/lldb-private-log.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/StreamString.h"
+#include "lldb/Symbol/CompileUnit.h"
+#include "lldb/Symbol/LineTable.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// FileLineResolver:
+//----------------------------------------------------------------------
+FileLineResolver::FileLineResolver
+(
+    const FileSpec &file_spec,
+    uint32_t line_no,
+    bool check_inlines
+) :
+    Searcher (),
+    m_file_spec (file_spec),
+    m_line_number (line_no),
+    m_inlines (check_inlines)
+{
+}
+
+FileLineResolver::~FileLineResolver ()
+{
+}
+
+Searcher::CallbackReturn
+FileLineResolver::SearchCallback
+(
+    SearchFilter &filter,
+    SymbolContext &context,
+    Address *addr,
+    bool containing
+)
+{
+    CompileUnit *cu = context.comp_unit;
+
+    if (m_inlines || m_file_spec.Compare(*cu, m_file_spec, m_file_spec.GetDirectory()))
+    {
+        uint32_t start_file_idx = 0;
+        uint32_t file_idx = cu->GetSupportFiles().FindFileIndex(start_file_idx, m_file_spec, false);
+        if (file_idx != UINT32_MAX)
+        {
+            LineTable *line_table = cu->GetLineTable();
+            if (line_table)
+            {
+                if (m_line_number == 0)
+                {
+                    // Match all lines in a file...
+                    const bool append = true;
+                    while (file_idx != UINT32_MAX)
+                    {
+                        line_table->FineLineEntriesForFileIndex (file_idx, append, m_sc_list);
+                        // Get the next file index in case we have multiple file 
+                        // entries for the same file
+                        file_idx = cu->GetSupportFiles().FindFileIndex(file_idx + 1, m_file_spec, false);
+                    }
+                }
+                else
+                {
+                    // Match a specific line in a file...
+                }
+            }
+        }
+    }
+    return Searcher::eCallbackReturnContinue;
+}
+
+Searcher::Depth
+FileLineResolver::GetDepth()
+{
+    return Searcher::eDepthCompUnit;
+}
+
+void
+FileLineResolver::GetDescription (Stream *s)
+{
+    s->Printf ("File and line resolver for file: \"%s\" line: %u", 
+               m_file_spec.GetPath().c_str(),
+               m_line_number);
+}
+
+void
+FileLineResolver::Clear()
+{
+    m_file_spec.Clear();
+    m_line_number = UINT32_MAX;
+    m_sc_list.Clear();
+    m_inlines = true;
+}
+
+void
+FileLineResolver::Reset (const FileSpec &file_spec,
+                         uint32_t line,
+                         bool check_inlines)
+{
+    m_file_spec = file_spec;
+    m_line_number = line;
+    m_sc_list.Clear();
+    m_inlines = check_inlines;
+}
+