Adwaith-Rajesh/gperf
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Completely new asso_values search algorithm.

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This commit is contained in:
Bruno Haible
2003-03-18 10:22:37 +00:00
parent 40f37680ac
commit 6d268d095b
20 changed files with 1918 additions and 2117 deletions
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40
src/options.cc
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@@ -195,13 +195,6 @@ Options::long_usage (FILE * stream) const
fprintf (stream,
" -D, --duplicates Handle keywords that hash to duplicate values. This\n"
" is useful for certain highly redundant keyword sets.\n");
fprintf (stream,
" -f, --fast=ITERATIONS Generate the gen-perf.hash function \"fast\". This\n"
" decreases gperf's running time at the cost of\n"
" minimizing generated table size. The numeric\n"
" argument represents the number of times to iterate\n"
" when resolving a collision. '0' means \"iterate by\n"
" the number of keywords\".\n");
fprintf (stream,
" -m, --multiple-iterations=ITERATIONS\n"
" Perform multiple choices of the -i and -j values,\n"
@@ -220,10 +213,6 @@ Options::long_usage (FILE * stream) const
fprintf (stream,
" -n, --no-strlen Do not include the length of the keyword when\n"
" computing the hash function.\n");
fprintf (stream,
" -o, --occurrence-sort Reorders input keys by frequency of occurrence of\n"
" the key sets. This should decrease the search time\n"
" dramatically.\n");
fprintf (stream,
" -r, --random Utilizes randomness to initialize the associated\n"
" values table.\n");
@@ -429,7 +418,6 @@ Options::Options ()
_input_file_name (NULL),
_output_file_name (NULL),
_language (NULL),
_iterations (0),
_jump (DEFAULT_JUMP_VALUE),
_initial_asso_value (0),
_asso_iterations (0),
@@ -454,14 +442,12 @@ Options::~Options ()
{
fprintf (stderr, "\ndumping Options:"
"\nDEBUG is.......: %s"
"\nORDER is.......: %s"
"\nTYPE is........: %s"
"\nRANDOM is......: %s"
"\nSWITCH is......: %s"
"\nNOLENGTH is....: %s"
"\nLENTABLE is....: %s"
"\nDUP is.........: %s"
"\nFAST is........: %s"
"\nCOMP is........: %s"
"\nNOTYPE is......: %s"
"\nGLOBAL is......: %s"
@@ -473,8 +459,6 @@ Options::~Options ()
"\nENUM is........: %s"
"\nINCLUDE is.....: %s"
"\nSEVENBIT is....: %s"
"\nOPT_CHOICE is..: %s"
"\niterations = %d"
"\nlookup function name = %s"
"\nhash function name = %s"
"\nword list name = %s"
@@ -487,14 +471,12 @@ Options::~Options ()
"\ndelimiters = %s"
"\nnumber of switch statements = %d\n",
_option_word & DEBUG ? "enabled" : "disabled",
_option_word & ORDER ? "enabled" : "disabled",
_option_word & TYPE ? "enabled" : "disabled",
_option_word & RANDOM ? "enabled" : "disabled",
_option_word & SWITCH ? "enabled" : "disabled",
_option_word & NOLENGTH ? "enabled" : "disabled",
_option_word & LENTABLE ? "enabled" : "disabled",
_option_word & DUP ? "enabled" : "disabled",
_option_word & FAST ? "enabled" : "disabled",
_option_word & COMP ? "enabled" : "disabled",
_option_word & NOTYPE ? "enabled" : "disabled",
_option_word & GLOBAL ? "enabled" : "disabled",
@@ -506,8 +488,6 @@ Options::~Options ()
_option_word & ENUM ? "enabled" : "disabled",
_option_word & INCLUDE ? "enabled" : "disabled",
_option_word & SEVENBIT ? "enabled" : "disabled",
_option_word & OPT_CHOICE ? "enabled" : "disabled",
_iterations,
_function_name, _hash_name, _wordlist_name, _slot_name,
_initializer_suffix, _asso_iterations, _jump, _size_multiple,
_initial_asso_value, _delimiters, _total_switches);
@@ -711,15 +691,7 @@ Options::parse_options (int argc, char *argv[])
break;
}
case 'f': /* Generate the hash table "fast". */
{
_option_word |= FAST;
if ((_iterations = atoi (/*getopt*/optarg)) < 0)
{
fprintf (stderr, "iterations value must not be negative, assuming 0\n");
_iterations = 0;
}
break;
}
break; /* Not needed any more. */
case 'F':
{
_initializer_suffix = /*getopt*/optarg;
@@ -861,15 +833,9 @@ Options::parse_options (int argc, char *argv[])
break;
}
case 'o': /* Order input by frequency of key set occurrence. */
{
_option_word |= ORDER;
break;
}
break; /* Not needed any more. */
case 'O': /* Optimized choice during collision resolution. */
{
_option_word |= OPT_CHOICE;
break;
}
break; /* Not needed any more. */
case 'p': /* Generated lookup function a pointer instead of int. */
break; /* This is now the default. */
case 'r': /* Utilize randomness to initialize the associated values table. */