1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* This file is part of PetaScope.
*
* PetaScope is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* PetaScope is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
*
* For more information please see <http://www.PetaScope.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*
* Copyright 2009 Jacobs University Bremen, Peter Baumann.
*/
package grammar;
/**
* NumericScalarExpr
* Creation date: (3/3/2003 2:28:43 AM)
* @author: mattia parigiani, Sorin Stancu-Mara, Andrei Aiordachioaie
*/
public class NumericScalarExpr implements IParseTreeNode
{
CondenseExpr condense;
String constValue;
String function;
NumericScalarExpr leftNumericScalarExpr, rightNumericScalarExpr;
public NumericScalarExpr(CondenseExpr c)
{
condense = c;
function = "condense";
}
public NumericScalarExpr(String val)
{
if (val.contains("+i"))
{
ComplexConst cc = new ComplexConst(val);
constValue = cc.toXML();
function = "complexConstant";
}
else
{
constValue = val;
function = "numericConstant";
}
}
public NumericScalarExpr(String op, NumericScalarExpr expr)
{
leftNumericScalarExpr = expr;
if (op.equals("-"))
{
function = "numericUnaryMinus";
}
else
{
System.err.println("Unary Operator " + op + " is not recognized!");
}
}
public NumericScalarExpr(String varOp, String varName)
{
if (varOp.equals("var"))
{
function = "variableRef";
constValue = varName;
}
else
System.err.println("Internal error: this should have been a variable name:" + varName);
}
public NumericScalarExpr(String op, NumericScalarExpr lbe, NumericScalarExpr rbe)
{
leftNumericScalarExpr = lbe;
rightNumericScalarExpr = rbe;
if (op.equals("+"))
{
function = "numericAdd";
}
else if (op.equals("-"))
{
function = "numericMinus";
}
else if (op.equals("*"))
{
function = "numericMult";
}
else if (op.equals("/"))
{
function = "numericDiv";
}
else
{
System.err.println("Operator " + op + " is not recognized!");
}
}
public String toXML()
{
String result;
if (function.equals("complexConstant"))
{
return constValue;
}
if (function.equals("condense"))
{
return condense.toXML();
}
result = "<" + function + ">";
if (function.equals("numericConstant") || function.equals("variableRef"))
{
result += constValue;
}
else
{
result += leftNumericScalarExpr.toXML();
if (rightNumericScalarExpr != null)
{
result += rightNumericScalarExpr.toXML();
}
}
result += "</" + function + ">";
return result;
}
}
|
