| //===-- BreakpointIDList.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/BreakpointIDList.h" |
| |
| #include "lldb/Breakpoint/Breakpoint.h" |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Interpreter/CommandReturnObject.h" |
| #include "lldb/Interpreter/Args.h" |
| #include "lldb/Target/Target.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //---------------------------------------------------------------------- |
| // class BreakpointIDList |
| //---------------------------------------------------------------------- |
| |
| BreakpointIDList::BreakpointIDList () : |
| m_invalid_id (LLDB_INVALID_BREAK_ID, LLDB_INVALID_BREAK_ID) |
| { |
| } |
| |
| BreakpointIDList::~BreakpointIDList () |
| { |
| } |
| |
| size_t |
| BreakpointIDList::GetSize() |
| { |
| return m_breakpoint_ids.size(); |
| } |
| |
| BreakpointID & |
| BreakpointIDList::GetBreakpointIDAtIndex (size_t index) |
| { |
| if (index < m_breakpoint_ids.size()) |
| return m_breakpoint_ids[index]; |
| else |
| return m_invalid_id; |
| } |
| |
| bool |
| BreakpointIDList::RemoveBreakpointIDAtIndex (size_t index) |
| { |
| if (index >= m_breakpoint_ids.size()) |
| return false; |
| |
| m_breakpoint_ids.erase (m_breakpoint_ids.begin() + index); |
| return true; |
| } |
| |
| void |
| BreakpointIDList::Clear() |
| { |
| m_breakpoint_ids.clear (); |
| } |
| |
| bool |
| BreakpointIDList::AddBreakpointID (BreakpointID bp_id) |
| { |
| m_breakpoint_ids.push_back (bp_id); |
| |
| return true; // We don't do any verification in this function, so always return true. |
| } |
| |
| bool |
| BreakpointIDList::AddBreakpointID (const char *bp_id_str) |
| { |
| BreakpointID temp_bp_id; |
| break_id_t bp_id; |
| break_id_t loc_id; |
| |
| bool success = BreakpointID::ParseCanonicalReference (bp_id_str, &bp_id, &loc_id); |
| |
| if (success) |
| { |
| temp_bp_id.SetID (bp_id, loc_id); |
| m_breakpoint_ids.push_back (temp_bp_id); |
| } |
| |
| return success; |
| } |
| |
| bool |
| BreakpointIDList::FindBreakpointID (BreakpointID &bp_id, size_t *position) |
| { |
| for (size_t i = 0; i < m_breakpoint_ids.size(); ++i) |
| { |
| BreakpointID tmp_id = m_breakpoint_ids[i]; |
| if (tmp_id.GetBreakpointID() == bp_id.GetBreakpointID() |
| && tmp_id.GetLocationID() == bp_id.GetLocationID()) |
| { |
| *position = i; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| bool |
| BreakpointIDList::FindBreakpointID (const char *bp_id_str, size_t *position) |
| { |
| BreakpointID temp_bp_id; |
| break_id_t bp_id; |
| break_id_t loc_id; |
| |
| if (BreakpointID::ParseCanonicalReference (bp_id_str, &bp_id, &loc_id)) |
| { |
| temp_bp_id.SetID (bp_id, loc_id); |
| return FindBreakpointID (temp_bp_id, position); |
| } |
| else |
| return false; |
| } |
| |
| void |
| BreakpointIDList::InsertStringArray (const char **string_array, size_t array_size, CommandReturnObject &result) |
| { |
| if (string_array == NULL) |
| return; |
| |
| for (uint32_t i = 0; i < array_size; ++i) |
| { |
| break_id_t bp_id; |
| break_id_t loc_id; |
| |
| if (BreakpointID::ParseCanonicalReference (string_array[i], &bp_id, &loc_id)) |
| { |
| if (bp_id != LLDB_INVALID_BREAK_ID) |
| { |
| BreakpointID temp_bp_id(bp_id, loc_id); |
| m_breakpoint_ids.push_back (temp_bp_id); |
| } |
| else |
| { |
| result.AppendErrorWithFormat ("'%s' is not a valid breakpoint ID.\n", string_array[i]); |
| result.SetStatus (eReturnStatusFailed); |
| return; |
| } |
| } |
| } |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| } |
| |
| |
| // This function takes OLD_ARGS, which is usually the result of breaking the command string arguments into |
| // an array of space-separated strings, and searches through the arguments for any breakpoint ID range specifiers. |
| // Any string in the array that is not part of an ID range specifier is copied directly into NEW_ARGS. If any |
| // ID range specifiers are found, the range is interpreted and a list of canonical breakpoint IDs corresponding to |
| // all the current breakpoints and locations in the range are added to NEW_ARGS. When this function is done, |
| // NEW_ARGS should be a copy of OLD_ARGS, with and ID range specifiers replaced by the members of the range. |
| |
| void |
| BreakpointIDList::FindAndReplaceIDRanges (Args &old_args, Target *target, CommandReturnObject &result, |
| Args &new_args) |
| { |
| std::string range_start; |
| const char *range_end; |
| const char *current_arg; |
| const size_t num_old_args = old_args.GetArgumentCount(); |
| |
| for (size_t i = 0; i < num_old_args; ++i) |
| { |
| bool is_range = false; |
| current_arg = old_args.GetArgumentAtIndex (i); |
| |
| size_t range_start_len = 0; |
| size_t range_end_pos = 0; |
| if (BreakpointIDList::StringContainsIDRangeExpression (current_arg, &range_start_len, &range_end_pos)) |
| { |
| is_range = true; |
| range_start.assign (current_arg, range_start_len); |
| range_end = current_arg + range_end_pos; |
| } |
| else if ((i + 2 < num_old_args) |
| && BreakpointID::IsRangeIdentifier (old_args.GetArgumentAtIndex (i+1)) |
| && BreakpointID::IsValidIDExpression (current_arg) |
| && BreakpointID::IsValidIDExpression (old_args.GetArgumentAtIndex (i+2))) |
| { |
| range_start.assign (current_arg); |
| range_end = old_args.GetArgumentAtIndex (i+2); |
| is_range = true; |
| i = i+2; |
| } |
| else |
| { |
| // See if user has specified id.* |
| std::string tmp_str = old_args.GetArgumentAtIndex (i); |
| size_t pos = tmp_str.find ('.'); |
| if (pos != std::string::npos) |
| { |
| std::string bp_id_str = tmp_str.substr (0, pos); |
| if (BreakpointID::IsValidIDExpression (bp_id_str.c_str()) |
| && tmp_str[pos+1] == '*' |
| && tmp_str.length() == (pos + 2)) |
| { |
| break_id_t bp_id; |
| break_id_t bp_loc_id; |
| |
| BreakpointID::ParseCanonicalReference (bp_id_str.c_str(), &bp_id, &bp_loc_id); |
| BreakpointSP breakpoint_sp = target->GetBreakpointByID (bp_id); |
| if (! breakpoint_sp) |
| { |
| new_args.Clear(); |
| result.AppendErrorWithFormat ("'%d' is not a valid breakpoint ID.\n", bp_id); |
| result.SetStatus (eReturnStatusFailed); |
| return; |
| } |
| const size_t num_locations = breakpoint_sp->GetNumLocations(); |
| for (size_t j = 0; j < num_locations; ++j) |
| { |
| BreakpointLocation *bp_loc = breakpoint_sp->GetLocationAtIndex(j).get(); |
| StreamString canonical_id_str; |
| BreakpointID::GetCanonicalReference (&canonical_id_str, bp_id, bp_loc->GetID()); |
| new_args.AppendArgument (canonical_id_str.GetData()); |
| } |
| } |
| |
| } |
| } |
| |
| if (is_range) |
| { |
| break_id_t start_bp_id; |
| break_id_t end_bp_id; |
| break_id_t start_loc_id; |
| break_id_t end_loc_id; |
| |
| BreakpointID::ParseCanonicalReference (range_start.c_str(), &start_bp_id, &start_loc_id); |
| BreakpointID::ParseCanonicalReference (range_end, &end_bp_id, &end_loc_id); |
| |
| if ((start_bp_id == LLDB_INVALID_BREAK_ID) |
| || (! target->GetBreakpointByID (start_bp_id))) |
| { |
| new_args.Clear(); |
| result.AppendErrorWithFormat ("'%s' is not a valid breakpoint ID.\n", range_start.c_str()); |
| result.SetStatus (eReturnStatusFailed); |
| return; |
| } |
| |
| if ((end_bp_id == LLDB_INVALID_BREAK_ID) |
| || (! target->GetBreakpointByID (end_bp_id))) |
| { |
| new_args.Clear(); |
| result.AppendErrorWithFormat ("'%s' is not a valid breakpoint ID.\n", range_end); |
| result.SetStatus (eReturnStatusFailed); |
| return; |
| } |
| |
| |
| if (((start_loc_id == LLDB_INVALID_BREAK_ID) |
| && (end_loc_id != LLDB_INVALID_BREAK_ID)) |
| || ((start_loc_id != LLDB_INVALID_BREAK_ID) |
| && (end_loc_id == LLDB_INVALID_BREAK_ID))) |
| { |
| new_args.Clear (); |
| result.AppendErrorWithFormat ("Invalid breakpoint id range: Either both ends of range must specify" |
| " a breakpoint location, or neither can specify a breakpoint location.\n"); |
| result.SetStatus (eReturnStatusFailed); |
| return; |
| } |
| |
| // We have valid range starting & ending breakpoint IDs. Go through all the breakpoints in the |
| // target and find all the breakpoints that fit into this range, and add them to new_args. |
| |
| // Next check to see if we have location id's. If so, make sure the start_bp_id and end_bp_id are |
| // for the same breakpoint; otherwise we have an illegal range: breakpoint id ranges that specify |
| // bp locations are NOT allowed to cross major bp id numbers. |
| |
| if ((start_loc_id != LLDB_INVALID_BREAK_ID) |
| || (end_loc_id != LLDB_INVALID_BREAK_ID)) |
| { |
| if (start_bp_id != end_bp_id) |
| { |
| new_args.Clear(); |
| result.AppendErrorWithFormat ("Invalid range: Ranges that specify particular breakpoint locations" |
| " must be within the same major breakpoint; you specified two" |
| " different major breakpoints, %d and %d.\n", |
| start_bp_id, end_bp_id); |
| result.SetStatus (eReturnStatusFailed); |
| return; |
| } |
| } |
| |
| const BreakpointList& breakpoints = target->GetBreakpointList(); |
| const size_t num_breakpoints = breakpoints.GetSize(); |
| for (size_t j = 0; j < num_breakpoints; ++j) |
| { |
| Breakpoint *breakpoint = breakpoints.GetBreakpointAtIndex (j).get(); |
| break_id_t cur_bp_id = breakpoint->GetID(); |
| |
| if ((cur_bp_id < start_bp_id) || (cur_bp_id > end_bp_id)) |
| continue; |
| |
| const size_t num_locations = breakpoint->GetNumLocations(); |
| |
| if ((cur_bp_id == start_bp_id) && (start_loc_id != LLDB_INVALID_BREAK_ID)) |
| { |
| for (size_t k = 0; k < num_locations; ++k) |
| { |
| BreakpointLocation * bp_loc = breakpoint->GetLocationAtIndex(k).get(); |
| if ((bp_loc->GetID() >= start_loc_id) && (bp_loc->GetID() <= end_loc_id)) |
| { |
| StreamString canonical_id_str; |
| BreakpointID::GetCanonicalReference (&canonical_id_str, cur_bp_id, bp_loc->GetID()); |
| new_args.AppendArgument (canonical_id_str.GetData()); |
| } |
| } |
| } |
| else if ((cur_bp_id == end_bp_id) && (end_loc_id != LLDB_INVALID_BREAK_ID)) |
| { |
| for (size_t k = 0; k < num_locations; ++k) |
| { |
| BreakpointLocation * bp_loc = breakpoint->GetLocationAtIndex(k).get(); |
| if (bp_loc->GetID() <= end_loc_id) |
| { |
| StreamString canonical_id_str; |
| BreakpointID::GetCanonicalReference (&canonical_id_str, cur_bp_id, bp_loc->GetID()); |
| new_args.AppendArgument (canonical_id_str.GetData()); |
| } |
| } |
| } |
| else |
| { |
| StreamString canonical_id_str; |
| BreakpointID::GetCanonicalReference (&canonical_id_str, cur_bp_id, LLDB_INVALID_BREAK_ID); |
| new_args.AppendArgument (canonical_id_str.GetData()); |
| } |
| } |
| } |
| else // else is_range was false |
| { |
| new_args.AppendArgument (current_arg); |
| } |
| } |
| |
| result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| return; |
| } |
| |
| bool |
| BreakpointIDList::StringContainsIDRangeExpression (const char *in_string, |
| size_t *range_start_len, |
| size_t *range_end_pos) |
| { |
| bool is_range_expression = false; |
| std::string arg_str = in_string; |
| std::string::size_type idx; |
| std::string::size_type start_pos = 0; |
| |
| *range_start_len = 0; |
| *range_end_pos = 0; |
| |
| int specifiers_size = 0; |
| for (int i = 0; BreakpointID::g_range_specifiers[i] != NULL; ++i) |
| ++specifiers_size; |
| |
| for (int i = 0; i < specifiers_size && !is_range_expression; ++i) |
| { |
| const char *specifier_str = BreakpointID::g_range_specifiers[i]; |
| size_t len = strlen (specifier_str); |
| idx = arg_str.find (BreakpointID::g_range_specifiers[i]); |
| if (idx != std::string::npos) |
| { |
| *range_start_len = idx - start_pos; |
| std::string start_str = arg_str.substr (start_pos, *range_start_len); |
| if (idx + len < arg_str.length()) |
| { |
| *range_end_pos = idx + len; |
| std::string end_str = arg_str.substr (*range_end_pos); |
| if (BreakpointID::IsValidIDExpression (start_str.c_str()) |
| && BreakpointID::IsValidIDExpression (end_str.c_str())) |
| { |
| is_range_expression = true; |
| //*range_start = start_str; |
| //*range_end = end_str; |
| } |
| } |
| } |
| } |
| |
| if (!is_range_expression) |
| { |
| *range_start_len = 0; |
| *range_end_pos = 0; |
| } |
| |
| return is_range_expression; |
| } |