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gperf: reverse size_type patch from r258115.

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Silencing the broken warning as done in r258139 renders the
code unreacheable. An option could've been to turn off the
warnings in gperf but given that the code is not being used
it is better to just revert the original change altogether.

This code was never MFC'd.
This commit is contained in:
pfg 2014-01-07 01:40:49 +00:00
parent 7f18e0f33d
commit df0886c3c2
5 changed files with 16 additions and 51 deletions
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8
contrib/gperf/doc/gperf.1
View File

@ -1,7 +1,7 @@
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.23.
.TH GPERF "1" "October 2011" "GNU gperf 3.0.3" FSF
.TH GPERF "1" "May 2007" "GNU gperf 3.0.3" FSF
.SH NAME
gperf \- manual page for gperf 3.0.3
gperf \- generate a perfect hash function from a key set
.SH SYNOPSIS
.B gperf
[\fIOPTION\fR]... [\fIINPUT-FILE\fR]
@ -129,10 +129,6 @@ binary search.
Prevents the transfer of the type declaration to the
output file. Use this option if the type is already
defined elsewhere.
.TP
\fB\-\-size\-type\fR=\fITYPE\fR
Specify the type for length parameters. Default type is
\&'unsigned int'.
.SS "Algorithm employed by gperf:"
.TP
\fB\-k\fR, \fB\-\-key\-positions\fR=\fIKEYS\fR

21
contrib/gperf/src/options.cc
View File

@ -67,8 +67,6 @@ static const char *const DEFAULT_STRINGPOOL_NAME = "stringpool";
/* Default delimiters that separate keywords from their attributes. */
static const char *const DEFAULT_DELIMITERS = ",";
static const char *const DEFAULT_SIZE_TYPE = "unsigned int";
/* Prints program usage to given stream. */
void
@ -204,9 +202,6 @@ Options::long_usage (FILE * stream)
" Prevents the transfer of the type declaration to the\n"
" output file. Use this option if the type is already\n"
" defined elsewhere.\n");
fprintf (stream,
" --size-type=TYPE Specify the type for length parameters. Default type is\n"
" 'unsigned int'.\n");
fprintf (stream, "\n");
fprintf (stream,
"Algorithm employed by gperf:\n");
@ -475,7 +470,6 @@ Options::Options ()
_lengthtable_name (DEFAULT_LENGTHTABLE_NAME),
_stringpool_name (DEFAULT_STRINGPOOL_NAME),
_delimiters (DEFAULT_DELIMITERS),
_size_type (DEFAULT_SIZE_TYPE),
_key_positions ()
{
}
@ -520,7 +514,6 @@ Options::~Options ()
"\nhash table size multiplier = %g"
"\ninitial associated value = %d"
"\ndelimiters = %s"
"\nsize type = %s"
"\nnumber of switch statements = %d\n",
_option_word & TYPE ? "enabled" : "disabled",
_option_word & UPPERLOWER ? "enabled" : "disabled",
@ -546,7 +539,7 @@ Options::~Options ()
_function_name, _hash_name, _wordlist_name, _lengthtable_name,
_stringpool_name, _slot_name, _initializer_suffix,
_asso_iterations, _jump, _size_multiple, _initial_asso_value,
_delimiters, _size_type, _total_switches);
_delimiters, _total_switches);
if (_key_positions.is_useall())
fprintf (stderr, "all characters are used in the hash function\n");
else
@ -675,12 +668,6 @@ Options::set_delimiters (const char *delimiters)
_delimiters = delimiters;
}
void
Options::set_size_type (const char *size_type)
{
if (_size_type == DEFAULT_SIZE_TYPE)
_size_type = size_type;
}
/* Parses the command line Options and sets appropriate flags in option_word. */
@ -706,7 +693,6 @@ static const struct option long_options[] =
{ "global-table", no_argument, NULL, 'G' },
{ "word-array-name", required_argument, NULL, 'W' },
{ "length-table-name", required_argument, NULL, CHAR_MAX + 4 },
{ "size-type", required_argument, NULL, CHAR_MAX + 5 },
{ "switch", required_argument, NULL, 'S' },
{ "omit-struct-type", no_argument, NULL, 'T' },
{ "key-positions", required_argument, NULL, 'k' },
@ -1060,11 +1046,6 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
_lengthtable_name = /*getopt*/optarg;
break;
}
case CHAR_MAX + 5: /* Sets the name for the length table array. */
{
_size_type = /*getopt*/optarg;
break;
}
default:
short_usage (stderr);
exit (1);

5
contrib/gperf/src/options.h
View File

@ -209,9 +209,6 @@ public:
/* Sets the delimiters string, if not already set. */
void set_delimiters (const char *delimiters);
const char * get_size_type() const;
void set_size_type(const char*);
/* Returns key positions. */
const Positions& get_key_positions () const;
@ -282,8 +279,6 @@ private:
/* Separates keywords from other attributes. */
const char * _delimiters;
const char * _size_type;
/* Contains user-specified key choices. */
Positions _key_positions;
};

6
contrib/gperf/src/options.icc
View File

@ -155,9 +155,3 @@ Options::get_key_positions () const
{
return _key_positions;
}
INLINE const char *
Options::get_size_type() const
{
return _size_type;
}

27
contrib/gperf/src/output.cc
View File

@ -772,14 +772,14 @@ Output::output_hash_function () const
printf (option[KRC] ?
"(str, len)\n"
" register char *str;\n"
" register %s len;\n" :
" register unsigned int len;\n" :
option[C] ?
"(str, len)\n"
" register const char *str;\n"
" register %s len;\n" :
" register unsigned int len;\n" :
option[ANSIC] | option[CPLUSPLUS] ?
"(register const char *str, register %s len)\n" :
"%s", option.get_size_type());
"(register const char *str, register unsigned int len)\n" :
"");
/* Note that when the hash function is called, it has already been verified
that min_key_len <= len <= max_key_len. */
@ -875,7 +875,7 @@ Output::output_hash_function () const
" switch (%s)\n"
" {\n"
" default:\n",
option[NOLENGTH] ? "0" : "(int)len",
option[NOLENGTH] ? "0" : "len",
option[NOLENGTH] ? "len" : "hval");
while (key_pos != Positions::LASTCHAR && key_pos >= _max_key_len)
@ -1900,14 +1900,14 @@ Output::output_lookup_function () const
printf (option[KRC] ?
"(str, len)\n"
" register char *str;\n"
" register %s len;\n" :
" register unsigned int len;\n" :
option[C] ?
"(str, len)\n"
" register const char *str;\n"
" register %s len;\n" :
" register unsigned int len;\n" :
option[ANSIC] | option[CPLUSPLUS] ?
"(register const char *str, register %s len)\n" :
"%s", option.get_size_type());
"(register const char *str, register unsigned int len)\n" :
"");
/* Output the function's body. */
printf ("{\n");
@ -2074,14 +2074,13 @@ Output::output ()
printf ("class %s\n"
"{\n"
"private:\n"
" static inline unsigned int %s (const char *str, %s len);\n"
" static inline unsigned int %s (const char *str, unsigned int len);\n"
"public:\n"
" static %s%s%s (const char *str, %s len);\n"
" static %s%s%s (const char *str, unsigned int len);\n"
"};\n"
"\n",
option.get_class_name (), option.get_hash_name (), option.get_size_type(),
const_for_struct, _return_type, option.get_function_name (),
option.get_size_type());
option.get_class_name (), option.get_hash_name (),
const_for_struct, _return_type, option.get_function_name ());
output_hash_function ();