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//===-- LineEntry.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/Symbol/LineEntry.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
using namespace lldb_private;
LineEntry::LineEntry() :
range(),
file(),
line(LLDB_INVALID_LINE_NUMBER),
column(0),
is_start_of_statement(0),
is_start_of_basic_block(0),
is_prologue_end(0),
is_epilogue_begin(0),
is_terminal_entry(0)
{
}
LineEntry::LineEntry
(
const lldb::SectionSP §ion_sp,
lldb::addr_t section_offset,
lldb::addr_t byte_size,
const FileSpec &_file,
uint32_t _line,
uint16_t _column,
bool _is_start_of_statement,
bool _is_start_of_basic_block,
bool _is_prologue_end,
bool _is_epilogue_begin,
bool _is_terminal_entry
) :
range(section_sp, section_offset, byte_size),
file(_file),
line(_line),
column(_column),
is_start_of_statement(_is_start_of_statement),
is_start_of_basic_block(_is_start_of_basic_block),
is_prologue_end(_is_prologue_end),
is_epilogue_begin(_is_epilogue_begin),
is_terminal_entry(_is_terminal_entry)
{
}
void
LineEntry::Clear()
{
range.Clear();
file.Clear();
line = LLDB_INVALID_LINE_NUMBER;
column = 0;
is_start_of_statement = 0;
is_start_of_basic_block = 0;
is_prologue_end = 0;
is_epilogue_begin = 0;
is_terminal_entry = 0;
}
bool
LineEntry::IsValid() const
{
return range.GetBaseAddress().IsValid() && line != LLDB_INVALID_LINE_NUMBER;
}
bool
LineEntry::DumpStopContext(Stream *s, bool show_fullpaths) const
{
bool result = false;
if (file)
{
if (show_fullpaths)
file.Dump (s);
else
file.GetFilename().Dump (s);
if (line)
s->PutChar(':');
result = true;
}
if (line)
s->Printf ("%u", line);
else
result = false;
return result;
}
bool
LineEntry::Dump
(
Stream *s,
Target *target,
bool show_file,
Address::DumpStyle style,
Address::DumpStyle fallback_style,
bool show_range
) const
{
if (show_range)
{
// Show address range
if (!range.Dump(s, target, style, fallback_style))
return false;
}
else
{
// Show address only
if (!range.GetBaseAddress().Dump(s,
target,
style,
fallback_style))
return false;
}
if (show_file)
*s << ", file = " << file;
if (line)
s->Printf(", line = %u", line);
if (column)
s->Printf(", column = %u", column);
if (is_start_of_statement)
*s << ", is_start_of_statement = TRUE";
if (is_start_of_basic_block)
*s << ", is_start_of_basic_block = TRUE";
if (is_prologue_end)
*s << ", is_prologue_end = TRUE";
if (is_epilogue_begin)
*s << ", is_epilogue_begin = TRUE";
if (is_terminal_entry)
*s << ", is_terminal_entry = TRUE";
return true;
}
bool
LineEntry::GetDescription (Stream *s, lldb::DescriptionLevel level, CompileUnit* cu, Target *target, bool show_address_only) const
{
if (level == lldb::eDescriptionLevelBrief || level == lldb::eDescriptionLevelFull)
{
if (show_address_only)
{
range.GetBaseAddress().Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleFileAddress);
}
else
{
range.Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleFileAddress);
}
*s << ": " << file;
if (line)
{
s->Printf(":%u", line);
if (column)
s->Printf(":%u", column);
}
if (level == lldb::eDescriptionLevelFull)
{
if (is_start_of_statement)
*s << ", is_start_of_statement = TRUE";
if (is_start_of_basic_block)
*s << ", is_start_of_basic_block = TRUE";
if (is_prologue_end)
*s << ", is_prologue_end = TRUE";
if (is_epilogue_begin)
*s << ", is_epilogue_begin = TRUE";
if (is_terminal_entry)
*s << ", is_terminal_entry = TRUE";
}
else
{
if (is_terminal_entry)
s->EOL();
}
}
else
{
return Dump (s, target, true, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress, true);
}
return true;
}
bool
lldb_private::operator< (const LineEntry& a, const LineEntry& b)
{
return LineEntry::Compare (a, b) < 0;
}
int
LineEntry::Compare (const LineEntry& a, const LineEntry& b)
{
int result = Address::CompareFileAddress (a.range.GetBaseAddress(), b.range.GetBaseAddress());
if (result != 0)
return result;
const lldb::addr_t a_byte_size = a.range.GetByteSize();
const lldb::addr_t b_byte_size = b.range.GetByteSize();
if (a_byte_size < b_byte_size)
return -1;
if (a_byte_size > b_byte_size)
return +1;
// Check for an end sequence entry mismatch after we have determined
// that the address values are equal. If one of the items is an end
// sequence, we don't care about the line, file, or column info.
if (a.is_terminal_entry > b.is_terminal_entry)
return -1;
if (a.is_terminal_entry < b.is_terminal_entry)
return +1;
if (a.line < b.line)
return -1;
if (a.line > b.line)
return +1;
if (a.column < b.column)
return -1;
if (a.column > b.column)
return +1;
return FileSpec::Compare (a.file, b.file, true);
}
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