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scfg_test_main.cc
/*************************************************************************/
/* */
/* Centre for Speech Technology Research */
/* University of Edinburgh, UK */
/* Copyright (c) 1996,1997 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author : Alan W Black */
/* Date : October 1997 */
/*-----------------------------------------------------------------------*/
/* Test a stochastic context free grammar with respect to a given */
/* corpus. */
/* */
/* Can test against a bracket corpus or simply parse it */
/* */
/*=======================================================================*/
#include <cstdlib>
#include <cstdio>
#include <iostream>
#include <fstream>
#include <cstring>
#include "EST.h"
#include "EST_SCFG.h"
#include "siod.h"
static EST_String outfile = "-";
static int scfg_test_main(int argc, char **argv);
/** @name <command>scfg_test</command> <emphasis>Test the output of a parser</emphasis>
@id scfg-make-manual
* @toc
*/
//@{
/**@name Synopsis
*/
//@{
//@synopsis
/**
This program applies a stochastic context free grammar to a given
corpus and reports the parsing accuracy and cross bracketing
accuracy of the grammar with respect to the grammar.
*/
//@}
/**@name OPTIONS
*/
//@{
//@options
//@}
int main(int argc, char **argv)
{
scfg_test_main(argc,argv);
exit(0);
return 0;
}
static int scfg_test_main(int argc, char **argv)
{
// Top level function generates a probabilistic grammar
EST_Option al;
EST_StrList files;
parse_command_line
(argc, argv,
EST_String("[options]\n")+
"Summary: Test a stochastic context free grammar against a corpus\n"+
"-grammar <ifile> Grammar file, one rule per line.\n"+
"-corpus <ifile> Single Corpus file, one bracketed sentence per line.\n"+
"-crossbrackets Measure cross bracket performance.\n"+
"-heap <int> {210000}\n"+
" Set size of Lisp heap, needed for large corpora\n"+
"-o <ofile> Output file for parsed sentences.\n",
files, al);
if (al.present("-o"))
outfile = al.val("-o");
else
outfile = "-";
siod_init(al.ival("-heap"));
EST_SCFG_traintest grammar;
if (al.present("-grammar"))
{
grammar.load(al.val("-grammar"));
}
else
{
cerr << "scfg_test: no grammar specified" << endl;
exit(1);
}
if (al.present("-corpus"))
{
grammar.load_corpus(al.val("-corpus"));
}
else
{
cerr << "scfg_test: no corpus specified" << endl;
exit(1);
}
// Test and summarise parsing of corpus
if (al.present("-crossbrackets"))
grammar.test_crossbrackets(); // parse and test brackets
else
grammar.test_corpus(); // only cross entropy
return 0;
}
EST_Option
Definition EST_Option.h:50
EST_Option::ival
int ival(const EST_String &rkey, int m=1) const
Definition EST_Option.cc:76
EST_String
Definition EST_String.h:70
EST_TKVL::val
const V & val(const K &rkey, bool m=0) const
return value according to key (const)
Definition EST_TKVL.cc:145
EST_TKVL::present
const int present(const K &rkey) const
Returns true if key is present.
Definition EST_TKVL.cc:222