Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Breakpoint/BreakpointID.cpp b/source/Breakpoint/BreakpointID.cpp
new file mode 100644
index 0000000..691e5c0
--- /dev/null
+++ b/source/Breakpoint/BreakpointID.cpp
@@ -0,0 +1,120 @@
+//===-- BreakpointID.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/Breakpoint/BreakpointID.h"
+#include "lldb/Breakpoint/Breakpoint.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+BreakpointID::BreakpointID (break_id_t bp_id, break_id_t loc_id) :
+ m_break_id (bp_id),
+ m_location_id (loc_id)
+{
+}
+
+BreakpointID::~BreakpointID ()
+{
+}
+
+const char *BreakpointID::g_range_specifiers[] = { "-", "to", "To", "TO", NULL };
+
+// Tells whether or not STR is valid to use between two strings representing breakpoint IDs, to
+// indicate a range of breakpoint IDs. This is broken out into a separate function so that we can
+// easily change or add to the format for specifying ID ranges at a later date.
+
+bool
+BreakpointID::IsRangeIdentifier (const char *str)
+{
+ int specifier_count = 0;
+ for (int i = 0; g_range_specifiers[i] != NULL; ++i)
+ ++specifier_count;
+
+ for (int i = 0; i < specifier_count; ++i)
+ {
+ if (strcmp (g_range_specifiers[i], str) == 0)
+ return true;
+ }
+
+ return false;
+}
+
+bool
+BreakpointID::IsValidIDExpression (const char *str)
+{
+ break_id_t bp_id;
+ break_id_t loc_id;
+ BreakpointID::ParseCanonicalReference (str, &bp_id, &loc_id);
+
+ if (bp_id == LLDB_INVALID_BREAK_ID)
+ return false;
+ else
+ return true;
+}
+
+void
+BreakpointID::GetDescription (Stream *s, lldb::DescriptionLevel level)
+{
+ if (level == eDescriptionLevelVerbose)
+ s->Printf("%p BreakpointID:", this);
+
+ if (m_break_id == LLDB_INVALID_BREAK_ID)
+ s->PutCString ("<invalid>");
+ else if (m_location_id == LLDB_INVALID_BREAK_ID)
+ s->Printf("%i", m_break_id);
+ else
+ s->Printf("%i.%i", m_break_id, m_location_id);
+}
+
+void
+BreakpointID::GetCanonicalReference (Stream *s, break_id_t bp_id, break_id_t loc_id)
+{
+ if (bp_id == LLDB_INVALID_BREAK_ID)
+ s->PutCString ("<invalid>");
+ else if (loc_id == LLDB_INVALID_BREAK_ID)
+ s->Printf("%i", bp_id);
+ else
+ s->Printf("%i.%i", bp_id, loc_id);
+}
+
+bool
+BreakpointID::ParseCanonicalReference (const char *input, break_id_t *break_id_ptr, break_id_t *break_loc_id_ptr)
+{
+ *break_id_ptr = LLDB_INVALID_BREAK_ID;
+ *break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
+
+ if (input == NULL || *input == '\0')
+ return false;
+
+ const char *format = "%i%n.%i%n";
+ int chars_consumed_1 = 0;
+ int chars_consumed_2 = 0;
+ int n_items_parsed = ::sscanf (input,
+ format,
+ break_id_ptr, // %i parse the breakpoint ID
+ &chars_consumed_1, // %n gets the number of characters parsed so far
+ break_loc_id_ptr, // %i parse the breakpoint location ID
+ &chars_consumed_2); // %n gets the number of characters parsed so far
+
+ if ((n_items_parsed == 1 && input[chars_consumed_1] == '\0') ||
+ (n_items_parsed == 2 && input[chars_consumed_2] == '\0'))
+ return true;
+
+ // Badly formatted canonical reference.
+ *break_id_ptr = LLDB_INVALID_BREAK_ID;
+ *break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
+ return false;
+}
+