casacore
MSObservationGram.h
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1//# MSObservationGram.h: Grammar for ms scan sub-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 MS_MSOBSERVATIONGRAM_H
29#define MS_MSOBSERVATIONGRAM_H
30
31
32//# Includes
33#include <casacore/casa/aips.h>
34#include <casacore/ms/MSSel/MSObservationParse.h>
35#include <casacore/casa/BasicSL/String.h>
36
37namespace casacore { //# NAMESPACE CASACORE - BEGIN
38
39//# Forward Declarations
40class MeasurementSet;
41class TableExprNode;
42
43// <summary>
44// Global functions for flex/bison scanner/parser for MSObservationGram
45// </summary>
46
47// <use visibility=local>
48
49// <reviewed reviewer="" date="" tests="">
50// </reviewed>
51
52// <prerequisite>
53//# Classes you should understand before using this one.
54// <li> MSObservationGram.l and .y (flex and bison grammar)
55// </prerequisite>
56
57// <synopsis>
58// Global functions are needed to define the input of the flex scanner
59// and to start the bison parser.
60// The input is taken from a string.
61// </synopsis>
62
63// <motivation>
64// It is necessary to be able to give an image expression in ASCII.
65// This can be used in glish.
66// </motivation>
67// <todo asof="$DATE:$">
68//# A List of bugs, limitations, extensions or planned refinements.
69// </todo>
70
71
72// <group name=MSObservationGramFunctions>
74// Declare the bison parser (is implemented by bison command).
76 const MSObservation& obsSubTable,
77 const TableExprNode& colAsTEN,
78 const String& command,
79 Vector<Int>& idList);
80
82 const TableExprNode& colAsTEN,
83 const String& command,
84 Vector<Int>& selectedIDs);
85 // The yyerror function for the parser.
86 // It throws an exception with the current token.
87 void MSObservationGramerror (const char*);
88
89 // Give the table expression node.
90 //const TableExprNode *msObservationGramParseNode();
92
93 // Give the current position in the string.
94 // This can be used when parse errors occur.
96
97 // Declare the input routine for flex/bison.
98 int msObservationGramInput (char* buf, int max_size);
99
100 // A function to remove escaped characters.
101 //String msObservationGramRemoveEscapes (const String& in);
102
103 // A function to remove quotes from a quoted string.
104 //String msObservationGramRemoveQuotes (const String& in);
105
106 // </group>
107
108} //# NAMESPACE CASACORE - END
109
110#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
void msObservationGramParseDeleteNode()
Give the table expression node.
Int & msObservationGramPosition()
Give the current position in the string.
void MSObservationGramerror(const char *)
The yyerror function for the parser.
int msObservationGramInput(char *buf, int max_size)
Declare the input routine for flex/bison.
TableExprNode msObservationGramParseCommand(const MeasurementSet *ms, const MSObservation &obsSubTable, const TableExprNode &colAsTEN, const String &command, Vector< Int > &idList)
Declare the bison parser (is implemented by bison command).
TableExprNode baseMSObservationGramParseCommand(MSObservationParse *parser, const TableExprNode &colAsTEN, const String &command, Vector< Int > &selectedIDs)