121 lines
3.5 KiB
C++
121 lines
3.5 KiB
C++
//===-- BreakpointID.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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// 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/BreakpointID.h"
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#include "lldb/Breakpoint/Breakpoint.h"
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using namespace lldb;
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using namespace lldb_private;
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BreakpointID::BreakpointID (break_id_t bp_id, break_id_t loc_id) :
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m_break_id (bp_id),
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m_location_id (loc_id)
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{
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}
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BreakpointID::~BreakpointID ()
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{
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}
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const char *BreakpointID::g_range_specifiers[] = { "-", "to", "To", "TO", NULL };
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// Tells whether or not STR is valid to use between two strings representing breakpoint IDs, to
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// indicate a range of breakpoint IDs. This is broken out into a separate function so that we can
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// easily change or add to the format for specifying ID ranges at a later date.
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bool
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BreakpointID::IsRangeIdentifier (const char *str)
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{
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int specifier_count = 0;
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for (int i = 0; g_range_specifiers[i] != NULL; ++i)
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++specifier_count;
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for (int i = 0; i < specifier_count; ++i)
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{
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if (strcmp (g_range_specifiers[i], str) == 0)
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return true;
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}
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return false;
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}
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bool
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BreakpointID::IsValidIDExpression (const char *str)
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{
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break_id_t bp_id;
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break_id_t loc_id;
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BreakpointID::ParseCanonicalReference (str, &bp_id, &loc_id);
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if (bp_id == LLDB_INVALID_BREAK_ID)
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return false;
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else
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return true;
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}
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void
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BreakpointID::GetDescription (Stream *s, lldb::DescriptionLevel level)
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{
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if (level == eDescriptionLevelVerbose)
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s->Printf("%p BreakpointID:", this);
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if (m_break_id == LLDB_INVALID_BREAK_ID)
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s->PutCString ("<invalid>");
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else if (m_location_id == LLDB_INVALID_BREAK_ID)
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s->Printf("%i", m_break_id);
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else
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s->Printf("%i.%i", m_break_id, m_location_id);
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}
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void
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BreakpointID::GetCanonicalReference (Stream *s, break_id_t bp_id, break_id_t loc_id)
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{
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if (bp_id == LLDB_INVALID_BREAK_ID)
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s->PutCString ("<invalid>");
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else if (loc_id == LLDB_INVALID_BREAK_ID)
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s->Printf("%i", bp_id);
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else
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s->Printf("%i.%i", bp_id, loc_id);
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}
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bool
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BreakpointID::ParseCanonicalReference (const char *input, break_id_t *break_id_ptr, break_id_t *break_loc_id_ptr)
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{
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*break_id_ptr = LLDB_INVALID_BREAK_ID;
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*break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
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if (input == NULL || *input == '\0')
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return false;
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const char *format = "%i%n.%i%n";
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int chars_consumed_1 = 0;
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int chars_consumed_2 = 0;
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int n_items_parsed = ::sscanf (input,
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format,
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break_id_ptr, // %i parse the breakpoint ID
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&chars_consumed_1, // %n gets the number of characters parsed so far
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break_loc_id_ptr, // %i parse the breakpoint location ID
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&chars_consumed_2); // %n gets the number of characters parsed so far
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if ((n_items_parsed == 1 && input[chars_consumed_1] == '\0') ||
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(n_items_parsed == 2 && input[chars_consumed_2] == '\0'))
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return true;
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// Badly formatted canonical reference.
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*break_id_ptr = LLDB_INVALID_BREAK_ID;
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*break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
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return false;
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}
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