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Commit dd686d49 authored by olale's avatar olale
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Moved assignment code to clean repository

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Task C/src/visitor/CompoundExpression.java 0 → 100755
+ 25
− 0
View file @ dd686d49
package visitor;
import java.text.MessageFormat;
public abstract class CompoundExpression extends AbstractExpression {
protected AbstractExpression leftOperand;
protected AbstractExpression rightOperand;
protected abstract String operator();
@Override
public String toString() {
String formatString = "{0} " + operator() + " {1}";
if (leftOperand instanceof CompoundExpression
|| rightOperand instanceof CompoundExpression) {
formatString = "({0}) " + operator() + " ({1})";
}
return MessageFormat.format(formatString, leftOperand, rightOperand);
}
}
Task C/src/visitor/CountingVariablesVisitor.java 0 → 100755
+ 42
− 0
View file @ dd686d49
package visitor;
public class CountingVariablesVisitor extends Visitor {
int count;
public int getCount() {
return count;
}
@Override
public void visit(Number exp) {
// TODO Auto-generated method stub
}
@Override
public void visit(Variable exp) {
count++;
}
@Override
public void visit(Sum exp) {
// TODO Auto-generated method stub
}
@Override
public void visit(Minus exp) {
// TODO Auto-generated method stub
}
}
Task C/src/visitor/EvaluationVisitor.java 0 → 100755
+ 32
− 0
View file @ dd686d49
package visitor;
public class EvaluationVisitor extends Visitor {
private int result;
public int getResult() {
return result;
}
@Override
public void visit(Number exp) {
result = exp.getValue();
}
@Override
public void visit(Variable exp) {
result = exp.getValue();
}
@Override
public void visit(Sum exp) {
// result = ??
}
@Override
public void visit(Minus exp) {
// result = ??
}
}
Task C/src/visitor/ExpressionTest.java 0 → 100755
+ 12
− 0
View file @ dd686d49
package visitor;
public class ExpressionTest {
public static void main(String[] args) {
AbstractExpression expression = new Sum(new Minus(new Number(1),
new Variable("x", 3)), new Sum(new Number(5), new Variable("y",
7)));
System.out.println(expression);
}
}
Task C/src/visitor/Minus.java 0 → 100755
+ 21
− 0
View file @ dd686d49
package visitor;
public class Minus extends CompoundExpression {
public Minus(AbstractExpression op1, AbstractExpression op2) {
this.leftOperand = op1;
this.rightOperand = op2;
}
@Override
protected String operator() {
return "-";
}
@Override
public void accept(Visitor v) {
v.visit(leftOperand);
v.visit(rightOperand);
v.visit(this);
}
}
Task C/src/visitor/Number.java 0 → 100755
+ 25
− 0
View file @ dd686d49
package visitor;
public class Number extends SimpleExpression {
private int value;
public Number(int value) {
super();
this.value = value;
}
public int getValue() {
return value;
}
@Override
public String toString() {
return new Integer(getValue()).toString();
}
@Override
public void accept(Visitor v) {
v.visit(this);
}
}
Task C/src/visitor/PrintVisitor.java 0 → 100755
+ 28
− 0
View file @ dd686d49
package visitor;
import java.text.MessageFormat;
public class PrintVisitor extends Visitor {
@Override
public void visit(Number exp) {
System.out.print(MessageFormat.format("{0} ", exp.getValue()));
}
@Override
public void visit(Variable exp) {
System.out.print(MessageFormat.format("{0} ", exp.getName()));
}
@Override
public void visit(Sum exp) {
System.out.print("+ ");
}
@Override
public void visit(Minus exp) {
System.out.print("- ");
}
}
Task C/src/visitor/SimpleExpression.java 0 → 100755
+ 6
− 0
View file @ dd686d49
package visitor;
public abstract class SimpleExpression extends AbstractExpression {
}
Task C/src/visitor/Sum.java 0 → 100755
+ 22
− 0
View file @ dd686d49
package visitor;
public class Sum extends CompoundExpression {
public Sum(AbstractExpression op1, AbstractExpression op2) {
this.leftOperand = op1;
this.rightOperand = op2;
}
@Override
protected String operator() {
return "+";
}
@Override
public void accept(Visitor v) {
leftOperand.accept(v);
rightOperand.accept(v);
v.visit(this);
}
}
Task C/src/visitor/Variable.java 0 → 100755
+ 32
− 0
View file @ dd686d49
package visitor;
public class Variable extends SimpleExpression {
private String name;
private int value;
public Variable(String name, int value) {
super();
this.name = name;
this.value = value;
}
public String getName() {
return name;
}
public int getValue() {
return value;
}
@Override
public String toString() {
return getName();
}
@Override
public void accept(Visitor v) {
v.visit(this);
}
}
Task C/src/visitor/Visitor.java 0 → 100755
+ 22
− 0
View file @ dd686d49
package visitor;
import java.text.MessageFormat;
public abstract class Visitor {
public abstract void visit(Number exp);
public abstract void visit(Variable exp);
public abstract void visit(Sum exp);
public abstract void visit(Minus exp);
public void visit(CompoundExpression compoundExpression) {
System.err.print(MessageFormat.format("Wrong type of expression: {0}", compoundExpression));
}
public void visit(AbstractExpression expr) {
System.err.print(MessageFormat.format("Wrong type of expression: {0}", expr));
}
}
Task C/src/visitor/VisitorTest.java 0 → 100755
+ 16
− 0
View file @ dd686d49
package visitor;
public class VisitorTest {
public static void main(String[] args) {
// CountingVariablesVisitor v = new CountingVariablesVisitor();
AbstractExpression expression = new Sum(new Minus(new Number(1),
new Variable("x", 3)), new Sum(new Number(5), new Variable("y",
7)));
System.out.println(expression.toString());
// expression.accept(v);
// System.out.println(MessageFormat.format(
// "There were {0} variables in the expression", v.getCount()));
expression.accept(new PrintVisitor());
}
}
Task C/src/visitor/overview.png 0 → 100755
+ 0
− 0
View file @ dd686d49
Task C/src/visitor/overview.png

62.2 KiB

Task C/src/visitor/overview.ucls 0 → 100755
+ 116
− 0
View file @ dd686d49
<?xml version="1.0" encoding="UTF-8"?>
<class-diagram version="1.1.6" icons="true" automaticImage="PNG" always-add-relationships="false" generalizations="true"
realizations="true" associations="true" dependencies="false" nesting-relationships="true">
<class id="1" language="java" name="visitor.SimpleExpression" project="Le7"
file="/Le7/src/visitor/SimpleExpression.java" binary="false" corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="296" y="286"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="2" language="java" name="visitor.AbstractExpression" project="Le7"
file="/Le7/src/visitor/AbstractExpression.java" binary="false" corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="305" y="100"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="3" language="java" name="visitor.Sum" project="Le7" file="/Le7/src/visitor/Sum.java" binary="false"
corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="617" y="319"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="4" language="java" name="visitor.Number" project="Le7" file="/Le7/src/visitor/Number.java" binary="false"
corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="257" y="460"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="5" language="java" name="visitor.Variable" project="Le7" file="/Le7/src/visitor/Variable.java"
binary="false" corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="412" y="469"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="6" language="java" name="visitor.Minus" project="Le7" file="/Le7/src/visitor/Minus.java" binary="false"
corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="839" y="475"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<class id="7" language="java" name="visitor.CompoundExpression" project="Le7"
file="/Le7/src/visitor/CompoundExpression.java" binary="false" corner="BOTTOM_RIGHT">
<position height="-1" width="-1" x="740" y="149"/>
<display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true"
visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</display>
</class>
<generalization id="8">
<end type="SOURCE" refId="3"/>
<end type="TARGET" refId="7"/>
</generalization>
<generalization id="9">
<end type="SOURCE" refId="6"/>
<end type="TARGET" refId="7"/>
</generalization>
<generalization id="10">
<end type="SOURCE" refId="4"/>
<end type="TARGET" refId="1"/>
</generalization>
<generalization id="11">
<bendpoint x="545" y="92"/>
<end type="SOURCE" refId="7"/>
<end type="TARGET" refId="2"/>
</generalization>
<association id="12">
<bendpoint x="547" y="243"/>
<end type="SOURCE" refId="7" navigable="false">
<attribute id="13" name="leftOperand"/>
<multiplicity id="14" minimum="0" maximum="1"/>
</end>
<end type="TARGET" refId="2" navigable="true"/>
<display labels="true" multiplicity="true"/>
</association>
<generalization id="15">
<end type="SOURCE" refId="5"/>
<end type="TARGET" refId="1"/>
</generalization>
<generalization id="16">
<end type="SOURCE" refId="1"/>
<end type="TARGET" refId="2"/>
</generalization>
<association id="17">
<end type="SOURCE" refId="7" navigable="false">
<attribute id="18" name="rightOperand"/>
<multiplicity id="19" minimum="0" maximum="1"/>
</end>
<end type="TARGET" refId="2" navigable="true"/>
<display labels="true" multiplicity="true"/>
</association>
<classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true"
accessors="true" visibility="true">
<attributes public="true" package="true" protected="true" private="true" static="true"/>
<operations public="true" package="true" protected="true" private="true" static="true"/>
</classifier-display>
<association-display labels="true" multiplicity="true"/>
</class-diagram>
\ No newline at end of file
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