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Rename some long options.
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Bruno Haible
@@ -1,5 +1,11 @@
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2002-11-16 Bruno Haible <bruno@clisp.org>
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* src/options.cc (Options::long_usage): Rename options -H, -N, -l, -G.
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(long_options): Add --hash-function-name, --lookup-function-name,
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--compare-lengths.
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* doc/gperf.texi (Output Details): Rename options -H, -N, -l, -G.
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* tests/test-6.exp: Update.
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* src/options.cc (DEFAULT_DELIMITERS): Remove newline.
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* src/options.cc (Options::long_usage): Change default --delimiters.
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* doc/gperf.texi (Input Details): Likewise.
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6
NEWS
6
NEWS
@@ -3,6 +3,12 @@ New in 2.8:
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* Added option -m/--multiple-iterations that reduces the size of the
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generated table.
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* Added option --output that allows to specify the output file name.
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* Some options have been renamed:
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--hash-fn-name=NAME --> --hash-function-name=NAME
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--lookup-fn-name=NAME --> --lookup-function-name=NAME
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--compare-strlen --> --compare-lengths
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--global --> --global-table
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The older variants are still supported for backward compatibility.
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* If the input file is given by name, the output file will now contain
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#line directives referring to the input file.
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* Bug fixes.
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@@ -653,13 +653,13 @@ should start with a comma. By default, the emitted code will
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zero-initialize structure members following @var{slot-name}.
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@item -H @var{hash-function-name}
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@itemx --hash-fn-name=@var{hash-function-name}
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@itemx --hash-function-name=@var{hash-function-name}
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Allows you to specify the name for the generated hash function. Default
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name is @samp{hash}. This option permits the use of two hash tables in
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the same file.
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@item -N @var{lookup-function-name}
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@itemx --lookup-fn-name=@var{lookup-function-name}
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@itemx --lookup-function-name=@var{lookup-function-name}
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Allows you to specify the name for the generated lookup function.
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Default name is @samp{in_word_set}. This option permits completely
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automatic generation of perfect hash functions, especially when multiple
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@@ -684,7 +684,7 @@ default in versions of @code{gperf} earlier than 2.7; now the default is
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to support 8-bit and multibyte characters.
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@item -l
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@itemx --compare-strlen
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@itemx --compare-lengths
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Compare keyword lengths before trying a string comparison. This option
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is mandatory for binary comparisons (@pxref{Binary Strings}). It also might
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cut down on the number of string comparisons made during the lookup, since
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@@ -718,7 +718,7 @@ beginning of the code. By default, this is not done; the user must
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include this header file himself to allow compilation of the code.
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@item -G
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@itemx --global
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@itemx --global-table
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Generate the static table of keywords as a static global variable,
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rather than hiding it inside of the lookup function (which is the
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default behavior).
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@@ -125,11 +125,11 @@ Options::long_usage (FILE * stream) const
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" Initializers for additional components in the keyword\n"
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" structure.\n");
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fprintf (stream,
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" -H, --hash-fn-name=NAME\n"
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" -H, --hash-function-name=NAME\n"
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" Specify name of generated hash function. Default is\n"
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" 'hash'.\n");
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fprintf (stream,
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" -N, --lookup-fn-name=NAME\n"
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" -N, --lookup-function-name=NAME\n"
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" Specify name of generated lookup function. Default\n"
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" name is 'in_word_set'.\n");
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fprintf (stream,
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@@ -138,7 +138,7 @@ Options::long_usage (FILE * stream) const
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fprintf (stream,
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" -7, --seven-bit Assume 7-bit characters.\n");
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fprintf (stream,
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" -l, --compare-strlen Compare key lengths before trying a string\n"
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" -l, --compare-lengths Compare key lengths before trying a string\n"
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" comparison. This is necessary if the keywords\n"
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" contain NUL bytes. It also helps cut down on the\n"
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" number of string comparisons made during the lookup.\n");
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@@ -155,7 +155,7 @@ Options::long_usage (FILE * stream) const
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" -I, --includes Include the necessary system include file <string.h>\n"
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" at the beginning of the code.\n");
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fprintf (stream,
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" -G, --global Generate the static table of keywords as a static\n"
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" -G, --global-table Generate the static table of keywords as a static\n"
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" global variable, rather than hiding it inside of the\n"
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" lookup function (which is the default behavior).\n");
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fprintf (stream,
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@@ -538,20 +538,23 @@ static const struct option long_options[] =
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{ "language", required_argument, NULL, 'L' },
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{ "slot-name", required_argument, NULL, 'K' },
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{ "initializer-suffix", required_argument, NULL, 'F' },
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{ "hash-fn-name", required_argument, NULL, 'H' },
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{ "lookup-fn-name", required_argument, NULL, 'N' },
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{ "hash-fn-name", required_argument, NULL, 'H' }, /* backward compatibility */
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{ "hash-function-name", required_argument, NULL, 'H' },
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{ "lookup-fn-name", required_argument, NULL, 'N' }, /* backward compatibility */
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{ "lookup-function-name", required_argument, NULL, 'N' },
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{ "class-name", required_argument, NULL, 'Z' },
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{ "seven-bit", no_argument, NULL, '7' },
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{ "compare-strncmp", no_argument, NULL, 'c' },
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{ "readonly-tables", no_argument, NULL, 'C' },
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{ "enum", no_argument, NULL, 'E' },
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{ "includes", no_argument, NULL, 'I' },
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{ "global", no_argument, NULL, 'G' },
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{ "global-table", no_argument, NULL, 'G' },
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{ "word-array-name", required_argument, NULL, 'W' },
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{ "switch", required_argument, NULL, 'S' },
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{ "omit-struct-type", no_argument, NULL, 'T' },
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{ "key-positions", required_argument, NULL, 'k' },
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{ "compare-strlen", no_argument, NULL, 'l' },
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{ "compare-strlen", no_argument, NULL, 'l' }, /* backward compatibility */
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{ "compare-lengths", no_argument, NULL, 'l' },
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{ "duplicates", no_argument, NULL, 'D' },
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{ "fast", required_argument, NULL, 'f' },
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{ "initial-asso", required_argument, NULL, 'i' },
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@@ -33,16 +33,16 @@ Details in the output code:
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-F, --initializer-suffix=INITIALIZERS
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Initializers for additional components in the keyword
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structure.
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-H, --hash-fn-name=NAME
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-H, --hash-function-name=NAME
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Specify name of generated hash function. Default is
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'hash'.
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-N, --lookup-fn-name=NAME
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-N, --lookup-function-name=NAME
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Specify name of generated lookup function. Default
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name is 'in_word_set'.
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-Z, --class-name=NAME Specify name of generated C++ class. Default name is
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'Perfect_Hash'.
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-7, --seven-bit Assume 7-bit characters.
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-l, --compare-strlen Compare key lengths before trying a string
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-l, --compare-lengths Compare key lengths before trying a string
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comparison. This is necessary if the keywords
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contain NUL bytes. It also helps cut down on the
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number of string comparisons made during the lookup.
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@@ -54,7 +54,7 @@ Details in the output code:
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lookup function rather than with defines.
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-I, --includes Include the necessary system include file <string.h>
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at the beginning of the code.
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-G, --global Generate the static table of keywords as a static
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-G, --global-table Generate the static table of keywords as a static
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global variable, rather than hiding it inside of the
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lookup function (which is the default behavior).
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-W, --word-array-name=NAME
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