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debug.cc (format_word): Delete.

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2016-11-10  François Dumont  <fdumont@gcc.gnu.org>

	* src/c++11/debug.cc (format_word): Delete.
	(print_literal): New. Replace call to print_word for literals.

From-SVN: r242055
This commit is contained in:
François Dumont 2016-11-10 21:29:43 +00:00
parent 456f0dfa1c
commit 28d1bf4464
2 changed files with 63 additions and 61 deletions
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5
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,8 @@
2016-11-10 François Dumont <fdumont@gcc.gnu.org>
* src/c++11/debug.cc (format_word): Delete.
(print_literal): New. Replace call to print_word for literals.
2016-11-09 Tim Shen <timshen@google.com>
* libstdc++-v3/include/bits/regex.h (regex_iterator::regex_iterator()):

119
libstdc++-v3/src/c++11/debug.cc
View File

@ -540,11 +540,6 @@ namespace
using _Error_formatter = __gnu_debug::_Error_formatter;
using _Parameter = __gnu_debug::_Error_formatter::_Parameter;
template<typename _Tp>
int
format_word(char* buf, int n, const char* fmt, _Tp s)
{ return std::min(__builtin_snprintf(buf, n, fmt, s), n - 1); }
void
get_max_length(std::size_t& max_length)
{
@ -571,6 +566,11 @@ namespace
bool _M_wordwrap;
};
template<size_t Length>
void
print_literal(PrintContext& ctx, const char(&word)[Length])
{ print_word(ctx, word, Length - 1); }
void
print_word(PrintContext& ctx, const char* word,
std::ptrdiff_t count = -1)
@ -621,27 +621,28 @@ namespace
}
else
{
print_word(ctx, "\n", 1);
print_literal(ctx, "\n");
print_word(ctx, word, count);
}
}
void
print_type(PrintContext& ctx,
const type_info* info,
const char* unknown_name)
{
if (!info)
print_word(ctx, unknown_name);
else
{
int status;
char* demangled_name =
__cxxabiv1::__cxa_demangle(info->name(), NULL, NULL, &status);
print_word(ctx, status == 0 ? demangled_name : info->name());
free(demangled_name);
}
}
template<size_t Length>
void
print_type(PrintContext& ctx,
const type_info* info,
const char(&unknown_name)[Length])
{
if (!info)
print_literal(ctx, unknown_name);
else
{
int status;
char* demangled_name =
__cxxabiv1::__cxa_demangle(info->name(), NULL, NULL, &status);
print_word(ctx, status == 0 ? demangled_name : info->name());
free(demangled_name);
}
}
bool
print_field(PrintContext& ctx,
@ -778,20 +779,18 @@ namespace
{
if (type._M_name)
{
const int bufsize = 64;
char buf[bufsize];
int written
= format_word(buf, bufsize, "\"%s\"", type._M_name);
print_word(ctx, buf, written);
print_literal(ctx, "\"");
print_word(ctx, type._M_name);
print_literal(ctx, "\"");
}
print_word(ctx, " {\n");
print_literal(ctx, " {\n");
if (type._M_type)
{
print_word(ctx, " type = ");
print_literal(ctx, " type = ");
print_type(ctx, type._M_type, "<unknown type>");
print_word(ctx, ";\n");
print_literal(ctx, ";\n");
}
}
@ -803,9 +802,9 @@ namespace
if (inst._M_name)
{
int written
= format_word(buf, bufsize, "\"%s\" ", inst._M_name);
print_word(ctx, buf, written);
print_literal(ctx, "\"");
print_word(ctx, inst._M_name);
print_literal(ctx, "\" ");
}
int written
@ -814,7 +813,7 @@ namespace
if (inst._M_type)
{
print_word(ctx, " type = ");
print_literal(ctx, " type = ");
print_type(ctx, inst._M_type, "<unknown type>");
}
}
@ -832,36 +831,36 @@ namespace
{
const auto& ite = variant._M_iterator;
print_word(ctx, "iterator ");
print_literal(ctx, "iterator ");
print_description(ctx, ite);
if (ite._M_type)
{
if (ite._M_constness != _Error_formatter::__unknown_constness)
{
print_word(ctx, " (");
print_literal(ctx, " (");
print_field(ctx, param, "constness");
print_word(ctx, " iterator)");
print_literal(ctx, " iterator)");
}
print_word(ctx, ";\n");
print_literal(ctx, ";\n");
}
if (ite._M_state != _Error_formatter::__unknown_state)
{
print_word(ctx, " state = ");
print_literal(ctx, " state = ");
print_field(ctx, param, "state");
print_word(ctx, ";\n");
print_literal(ctx, ";\n");
}
if (ite._M_sequence)
{
print_word(ctx, " references sequence ");
print_literal(ctx, " references sequence ");
if (ite._M_seq_type)
{
print_word(ctx, "with type '");
print_literal(ctx, "with type '");
print_field(ctx, param, "seq_type");
print_word(ctx, "' ");
print_literal(ctx, "' ");
}
int written
@ -869,34 +868,34 @@ namespace
print_word(ctx, buf, written);
}
print_word(ctx, "}\n", 2);
print_literal(ctx, "}\n");
}
break;
case _Parameter::__sequence:
print_word(ctx, "sequence ");
print_literal(ctx, "sequence ");
print_description(ctx, variant._M_sequence);
if (variant._M_sequence._M_type)
print_word(ctx, ";\n", 2);
print_literal(ctx, ";\n");
print_word(ctx, "}\n", 2);
print_literal(ctx, "}\n");
break;
case _Parameter::__instance:
print_word(ctx, "instance ");
print_literal(ctx, "instance ");
print_description(ctx, variant._M_instance);
if (variant._M_instance._M_type)
print_word(ctx, ";\n", 2);
print_literal(ctx, ";\n");
print_word(ctx, "}\n", 2);
print_literal(ctx, "}\n");
break;
case _Parameter::__iterator_value_type:
print_word(ctx, "iterator::value_type ");
print_literal(ctx, "iterator::value_type ");
print_description(ctx, variant._M_iterator_value_type);
print_word(ctx, "}\n", 2);
print_literal(ctx, "}\n");
break;
default:
@ -1011,38 +1010,36 @@ namespace __gnu_debug
void
_Error_formatter::_M_error() const
{
const int bufsize = 128;
char buf[bufsize];
// Emit file & line number information
bool go_to_next_line = false;
PrintContext ctx;
if (_M_file)
{
int written = format_word(buf, bufsize, "%s:", _M_file);
print_word(ctx, buf, written);
print_word(ctx, _M_file);
print_literal(ctx, ":");
go_to_next_line = true;
}
if (_M_line > 0)
{
char buf[64];
int written = __builtin_sprintf(buf, "%u:", _M_line);
print_word(ctx, buf, written);
go_to_next_line = true;
}
if (go_to_next_line)
print_word(ctx, "\n", 1);
print_literal(ctx, "\n");
if (ctx._M_max_length)
ctx._M_wordwrap = true;
print_word(ctx, "Error: ");
print_literal(ctx, "Error: ");
// Print the error message
assert(_M_text);
print_string(ctx, _M_text, _M_parameters, _M_num_parameters);
print_word(ctx, ".\n", 2);
print_literal(ctx, ".\n");
// Emit descriptions of the objects involved in the operation
ctx._M_first_line = true;
@ -1058,7 +1055,7 @@ namespace __gnu_debug
case _Parameter::__iterator_value_type:
if (!has_header)
{
print_word(ctx, "\nObjects involved in the operation:\n");
print_literal(ctx, "\nObjects involved in the operation:\n");
has_header = true;
}
print_description(ctx, _M_parameters[i]);