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ImageExprGram.h
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1//# ImageExprGram.h: Grammar for image expressions
2//# Copyright (C) 1998
3//# Associated Universities, Inc. Washington DC, USA.
4//#
5//# This library is free software; you can redistribute it and/or modify it
6//# under the terms of the GNU Library General Public License as published by
7//# the Free Software Foundation; either version 2 of the License, or (at your
8//# option) any later version.
9//#
10//# This library is distributed in the hope that it will be useful, but WITHOUT
11//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
13//# License for more details.
14//#
15//# You should have received a copy of the GNU Library General Public License
16//# along with this library; if not, write to the Free Software Foundation,
17//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
18//#
19//# Correspondence concerning AIPS++ should be addressed as follows:
20//# Internet email: aips2-request@nrao.edu.
21//# Postal address: AIPS++ Project Office
22//# National Radio Astronomy Observatory
23//# 520 Edgemont Road
24//# Charlottesville, VA 22903-2475 USA
25//#
26//# $Id$
27
28#ifndef IMAGES_IMAGEEXPRGRAM_H
29#define IMAGES_IMAGEEXPRGRAM_H
30
31
32//# Includes
33#include <casacore/casa/aips.h>
34#include <casacore/casa/BasicSL/String.h>
35
36namespace casacore { //# NAMESPACE CASACORE - BEGIN
37
38//# Forward Declarations
39
40
41// <summary>
42// Global functions for flex/bison scanner/parser for ImageExprGram
43// </summary>
44
45// <use visibility=local>
46
47// <reviewed reviewer="" date="" tests="">
48// </reviewed>
49
50// <prerequisite>
51//# Classes you should understand before using this one.
52// <li> ImageExprGram.l and .y (flex and bison grammar)
53// </prerequisite>
54
55// <synopsis>
56// Global functions are needed to define the input of the flex scanner
57// and to start the bison parser.
58// The input is taken from a string.
59// </synopsis>
60
61// <motivation>
62// It is necessary to be able to give an image expression in ASCII.
63// This can be used in glish.
64// </motivation>
65
66// <todo asof="$DATE:$">
67//# A List of bugs, limitations, extensions or planned refinements.
68// </todo>
69
70
71// <group name=ImageExprGramFunctions>
73// Declare the bison parser (is implemented by bison command).
74int imageExprGramParseCommand (const String& command);
75
76// The yyerror function for the parser.
77// It throws an exception with the current token.
78void ImageExprGramerror (const char*);
79
80// Give the current position in the string.
81// This can be used when parse errors occur.
83
84// Declare the input routine for flex/bison.
85int imageExprGramInput (char* buf, int max_size);
86
87// A function to remove escaped characters.
89
90// A function to remove quotes from a quoted string.
92
93// </group>
94
95
96
97} //# NAMESPACE CASACORE - END
98
99#endif
String: the storage and methods of handling collections of characters.
Definition String.h:225
this file contains all the compiler specific defines
Definition mainpage.dox:28
int Int
Definition aipstype.h:50
int imageExprGramParseCommand(const String &command)
Declare the bison parser (is implemented by bison command).
Int & imageExprGramPosition()
Give the current position in the string.
void ImageExprGramerror(const char *)
The yyerror function for the parser.
int imageExprGramInput(char *buf, int max_size)
Declare the input routine for flex/bison.
String imageExprGramRemoveEscapes(const String &in)
A function to remove escaped characters.
String imageExprGramRemoveQuotes(const String &in)
A function to remove quotes from a quoted string.