281 lines
7.5 KiB
C
281 lines
7.5 KiB
C
|
/* flex - tool to generate fast lexical analyzers */
|
|||
|
|
|
|||
|
|
/* Copyright (c) 1990 The Regents of the University of California. */
|
|||
|
|
/* All rights reserved. */
|
|||
|
|
|
|||
|
|
/* This code is derived from software contributed to Berkeley by */
|
|||
|
|
/* Vern Paxson. */
|
|||
|
|
|
|||
|
|
/* The United States Government has rights in this work pursuant */
|
|||
|
|
/* to contract no. DE-AC03-76SF00098 between the United States */
|
|||
|
|
/* Department of Energy and the University of California. */
|
|||
|
|
|
|||
|
|
/* This file is part of flex. */
|
|||
|
|
|
|||
|
|
/* Redistribution and use in source and binary forms, with or without */
|
|||
|
|
/* modification, are permitted provided that the following conditions */
|
|||
|
|
/* are met: */
|
|||
|
|
|
|||
|
|
/* 1. Redistributions of source code must retain the above copyright */
|
|||
|
|
/* notice, this list of conditions and the following disclaimer. */
|
|||
|
|
/* 2. Redistributions in binary form must reproduce the above copyright */
|
|||
|
|
/* notice, this list of conditions and the following disclaimer in the */
|
|||
|
|
/* documentation and/or other materials provided with the distribution. */
|
|||
|
|
|
|||
|
|
/* Neither the name of the University nor the names of its contributors */
|
|||
|
|
/* may be used to endorse or promote products derived from this software */
|
|||
|
|
/* without specific prior written permission. */
|
|||
|
|
|
|||
|
|
/* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR */
|
|||
|
|
/* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */
|
|||
|
|
/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
|
|||
|
|
/* PURPOSE. */
|
|||
|
|
|
|||
|
|
#include "options.h"
|
|||
|
|
|
|||
|
|
/* Be sure to synchronize these options with those defined in "options.h",
|
|||
|
|
* the giant switch() statement in "main.c", and the %option processing in
|
|||
|
|
* "scan.l".
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
|
|||
|
|
/* The command-line options, passed to scanopt_init() */
|
|||
|
|
optspec_t flexopts[] = {
|
|||
|
|
|
|||
|
|
{"-7", OPT_7BIT, 0}
|
|||
|
|
,
|
|||
|
|
{"--7bit", OPT_7BIT, 0}
|
|||
|
|
, /* Generate 7-bit scanner. */
|
|||
|
|
{"-8", OPT_8BIT, 0}
|
|||
|
|
,
|
|||
|
|
{"--8bit", OPT_8BIT, 0}
|
|||
|
|
, /* Generate 8-bit scanner. */
|
|||
|
|
{"--align", OPT_ALIGN, 0}
|
|||
|
|
, /* Trade off larger tables for better memory alignment. */
|
|||
|
|
{"--noalign", OPT_NO_ALIGN, 0}
|
|||
|
|
,
|
|||
|
|
{"--always-interactive", OPT_ALWAYS_INTERACTIVE, 0}
|
|||
|
|
,
|
|||
|
|
{"--array", OPT_ARRAY, 0}
|
|||
|
|
,
|
|||
|
|
{"-b", OPT_BACKUP, 0}
|
|||
|
|
,
|
|||
|
|
{"--backup", OPT_BACKUP, 0}
|
|||
|
|
, /* Generate backing-up information to lex.backup. */
|
|||
|
|
{"-B", OPT_BATCH, 0}
|
|||
|
|
,
|
|||
|
|
{"--batch", OPT_BATCH, 0}
|
|||
|
|
, /* Generate batch scanner (opposite of -I). */
|
|||
|
|
{"--bison-bridge", OPT_BISON_BRIDGE, 0}
|
|||
|
|
, /* Scanner to be called by a bison pure parser. */
|
|||
|
|
{"--bison-locations", OPT_BISON_BRIDGE_LOCATIONS, 0}
|
|||
|
|
, /* Scanner to be called by a bison pure parser. */
|
|||
|
|
{"-i", OPT_CASE_INSENSITIVE, 0}
|
|||
|
|
,
|
|||
|
|
{"--case-insensitive", OPT_CASE_INSENSITIVE, 0}
|
|||
|
|
, /* Generate case-insensitive scanner. */
|
|||
|
|
|
|||
|
|
{"-C[aefFmr]", OPT_COMPRESSION,
|
|||
|
|
"Specify degree of table compression (default is -Cem)"},
|
|||
|
|
{"-+", OPT_CPLUSPLUS, 0}
|
|||
|
|
,
|
|||
|
|
{"--c++", OPT_CPLUSPLUS, 0}
|
|||
|
|
, /* Generate C++ scanner class. */
|
|||
|
|
{"-d", OPT_DEBUG, 0}
|
|||
|
|
,
|
|||
|
|
{"--debug", OPT_DEBUG, 0}
|
|||
|
|
, /* Turn on debug mode in generated scanner. */
|
|||
|
|
{"--nodebug", OPT_NO_DEBUG, 0}
|
|||
|
|
,
|
|||
|
|
{"-s", OPT_NO_DEFAULT, 0}
|
|||
|
|
,
|
|||
|
|
{"--nodefault", OPT_NO_DEFAULT, 0}
|
|||
|
|
, /* Suppress default rule to ECHO unmatched text. */
|
|||
|
|
{"--default", OPT_DEFAULT, 0}
|
|||
|
|
,
|
|||
|
|
{"-c", OPT_DONOTHING, 0}
|
|||
|
|
, /* For POSIX lex compatibility. */
|
|||
|
|
{"-n", OPT_DONOTHING, 0}
|
|||
|
|
, /* For POSIX lex compatibility. */
|
|||
|
|
{"--ecs", OPT_ECS, 0}
|
|||
|
|
, /* Construct equivalence classes. */
|
|||
|
|
{"--noecs", OPT_NO_ECS, 0}
|
|||
|
|
,
|
|||
|
|
{"-F", OPT_FAST, 0}
|
|||
|
|
,
|
|||
|
|
{"--fast", OPT_FAST, 0}
|
|||
|
|
, /* Same as -CFr. */
|
|||
|
|
{"-f", OPT_FULL, 0}
|
|||
|
|
,
|
|||
|
|
{"--full", OPT_FULL, 0}
|
|||
|
|
, /* Same as -Cfr. */
|
|||
|
|
{"--header-file[=FILE]", OPT_HEADER_FILE, 0}
|
|||
|
|
,
|
|||
|
|
{"-?", OPT_HELP, 0}
|
|||
|
|
,
|
|||
|
|
{"-h", OPT_HELP, 0}
|
|||
|
|
,
|
|||
|
|
{"--help", OPT_HELP, 0}
|
|||
|
|
, /* Produce this help message. */
|
|||
|
|
{"-I", OPT_INTERACTIVE, 0}
|
|||
|
|
,
|
|||
|
|
{"--interactive", OPT_INTERACTIVE, 0}
|
|||
|
|
, /* Generate interactive scanner (opposite of -B). */
|
|||
|
|
{"-l", OPT_LEX_COMPAT, 0}
|
|||
|
|
,
|
|||
|
|
{"--lex-compat", OPT_LEX_COMPAT, 0}
|
|||
|
|
, /* Maximal compatibility with original lex. */
|
|||
|
|
{"-X", OPT_POSIX_COMPAT, 0}
|
|||
|
|
,
|
|||
|
|
{"--posix-compat", OPT_POSIX_COMPAT, 0}
|
|||
|
|
, /* Maximal compatibility with POSIX lex. */
|
|||
|
|
{"--preproc=NUM", OPT_PREPROC_LEVEL, 0}
|
|||
|
|
,
|
|||
|
|
{"-L", OPT_NO_LINE, 0}
|
|||
|
|
, /* Suppress #line directives in scanner. */
|
|||
|
|
{"--noline", OPT_NO_LINE, 0}
|
|||
|
|
, /* Suppress #line directives in scanner. */
|
|||
|
|
{"--main", OPT_MAIN, 0}
|
|||
|
|
, /* use built-in main() function. */
|
|||
|
|
{"--nomain", OPT_NO_MAIN, 0}
|
|||
|
|
,
|
|||
|
|
{"--meta-ecs", OPT_META_ECS, 0}
|
|||
|
|
, /* Construct meta-equivalence classes. */
|
|||
|
|
{"--nometa-ecs", OPT_NO_META_ECS, 0}
|
|||
|
|
,
|
|||
|
|
{"--never-interactive", OPT_NEVER_INTERACTIVE, 0}
|
|||
|
|
,
|
|||
|
|
{"-o FILE", OPT_OUTFILE, 0}
|
|||
|
|
,
|
|||
|
|
{"--outfile=FILE", OPT_OUTFILE, 0}
|
|||
|
|
, /* Write to FILE (default is lex.yy.c) */
|
|||
|
|
{"-p", OPT_PERF_REPORT, 0}
|
|||
|
|
,
|
|||
|
|
{"--perf-report", OPT_PERF_REPORT, 0}
|
|||
|
|
, /* Generate performance report to stderr. */
|
|||
|
|
{"--pointer", OPT_POINTER, 0}
|
|||
|
|
,
|
|||
|
|
{"-P PREFIX", OPT_PREFIX, 0}
|
|||
|
|
,
|
|||
|
|
{"--prefix=PREFIX", OPT_PREFIX, 0}
|
|||
|
|
, /* Use PREFIX (default is yy) */
|
|||
|
|
{"-Dmacro", OPT_PREPROCDEFINE, 0}
|
|||
|
|
, /* Define a preprocessor symbol. */
|
|||
|
|
{"--read", OPT_READ, 0}
|
|||
|
|
, /* Use read(2) instead of stdio. */
|
|||
|
|
{"-R", OPT_REENTRANT, 0}
|
|||
|
|
,
|
|||
|
|
{"--reentrant", OPT_REENTRANT, 0}
|
|||
|
|
, /* Generate a reentrant C scanner. */
|
|||
|
|
{"--noreentrant", OPT_NO_REENTRANT, 0}
|
|||
|
|
,
|
|||
|
|
{"--reject", OPT_REJECT, 0}
|
|||
|
|
,
|
|||
|
|
{"--noreject", OPT_NO_REJECT, 0}
|
|||
|
|
,
|
|||
|
|
{"-S FILE", OPT_SKEL, 0}
|
|||
|
|
,
|
|||
|
|
{"--skel=FILE", OPT_SKEL, 0}
|
|||
|
|
, /* Use skeleton from FILE */
|
|||
|
|
{"--stack", OPT_STACK, 0}
|
|||
|
|
,
|
|||
|
|
{"--stdinit", OPT_STDINIT, 0}
|
|||
|
|
,
|
|||
|
|
{"--nostdinit", OPT_NO_STDINIT, 0}
|
|||
|
|
,
|
|||
|
|
{"-t", OPT_STDOUT, 0}
|
|||
|
|
,
|
|||
|
|
{"--stdout", OPT_STDOUT, 0}
|
|||
|
|
, /* Write generated scanner to stdout. */
|
|||
|
|
{"-T", OPT_TRACE, 0}
|
|||
|
|
,
|
|||
|
|
{"--trace", OPT_TRACE, 0}
|
|||
|
|
, /* Flex should run in trace mode. */
|
|||
|
|
{"--tables-file[=FILE]", OPT_TABLES_FILE, 0}
|
|||
|
|
, /* Save tables to FILE */
|
|||
|
|
{"--tables-verify", OPT_TABLES_VERIFY, 0}
|
|||
|
|
, /* Tables integrity check */
|
|||
|
|
{"--nounistd", OPT_NO_UNISTD_H, 0}
|
|||
|
|
, /* Do not include unistd.h */
|
|||
|
|
{"-v", OPT_VERBOSE, 0}
|
|||
|
|
,
|
|||
|
|
{"--verbose", OPT_VERBOSE, 0}
|
|||
|
|
, /* Write summary of scanner statistics to stdout. */
|
|||
|
|
{"-V", OPT_VERSION, 0}
|
|||
|
|
,
|
|||
|
|
{"--version", OPT_VERSION, 0}
|
|||
|
|
, /* Report flex version. */
|
|||
|
|
{"--warn", OPT_WARN, 0}
|
|||
|
|
,
|
|||
|
|
{"-w", OPT_NO_WARN, 0}
|
|||
|
|
,
|
|||
|
|
{"--nowarn", OPT_NO_WARN, 0}
|
|||
|
|
, /* Suppress warning messages. */
|
|||
|
|
{"--noansi-definitions", OPT_NO_ANSI_FUNC_DEFS, 0}
|
|||
|
|
,
|
|||
|
|
{"--noansi-prototypes", OPT_NO_ANSI_FUNC_PROTOS, 0}
|
|||
|
|
,
|
|||
|
|
{"--yyclass=NAME", OPT_YYCLASS, 0}
|
|||
|
|
,
|
|||
|
|
{"--yylineno", OPT_YYLINENO, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyylineno", OPT_NO_YYLINENO, 0}
|
|||
|
|
,
|
|||
|
|
|
|||
|
|
{"--yymore", OPT_YYMORE, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyymore", OPT_NO_YYMORE, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyywrap", OPT_NO_YYWRAP, 0}
|
|||
|
|
,
|
|||
|
|
{"--yywrap", OPT_YYWRAP, 0}
|
|||
|
|
,
|
|||
|
|
|
|||
|
|
{"--nounput", OPT_NO_UNPUT, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyy_push_state", OPT_NO_YY_PUSH_STATE, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyy_pop_state", OPT_NO_YY_POP_STATE, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyy_top_state", OPT_NO_YY_TOP_STATE, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyy_scan_buffer", OPT_NO_YY_SCAN_BUFFER, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyy_scan_bytes", OPT_NO_YY_SCAN_BYTES, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyy_scan_string", OPT_NO_YY_SCAN_STRING, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_extra", OPT_NO_YYGET_EXTRA, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyset_extra", OPT_NO_YYSET_EXTRA, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_leng", OPT_NO_YYGET_LENG, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_text", OPT_NO_YYGET_TEXT, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_lineno", OPT_NO_YYGET_LINENO, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyset_lineno", OPT_NO_YYSET_LINENO, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_in", OPT_NO_YYGET_IN, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyset_in", OPT_NO_YYSET_IN, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_out", OPT_NO_YYGET_OUT, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyset_out", OPT_NO_YYSET_OUT, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_lval", OPT_NO_YYGET_LVAL, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyset_lval", OPT_NO_YYSET_LVAL, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyget_lloc", OPT_NO_YYGET_LLOC, 0}
|
|||
|
|
,
|
|||
|
|
{"--noyyset_lloc", OPT_NO_YYSET_LLOC, 0}
|
|||
|
|
,
|
|||
|
|
|
|||
|
|
{0, 0, 0} /* required final NULL entry. */
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
/* vim:set tabstop=8 softtabstop=4 shiftwidth=4: */
|