/**
* @Copyright(C) 2008 Software Engineering Laboratory (SELAB), Department of Computer
* Science, SUN YAT-SEN UNIVERSITY. All rights reserved.
**/
package parser;
import exceptions.*;
/**
* Main program of the expression based calculator ExprEval
*
* @author [PENDING your name]
* @version 1.00 (Last update: [PENDING the last update])
**/
public class Calculator
{
/**
* The main program of the parser. You should substitute the body of this method
* with your experiment result.
*
* @param expression user input to the calculator from GUI.
* @return if the expression is well-formed, return the evaluation result of it.
* @throws ExpressionException if the expression has error, a corresponding
* exception will be raised.
**/
public double calculate(String expression) throws ExpressionException
{
// You should substitute this method body ...
double result = ((int) (Math.random() * 1000000000)) / 100.0;
return result;
}
}
ExprEval.rar_ExprEval
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2022-09-22
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ExprEval.rar （97个子文件） 
实验软装置（基于表达式的计算器ExprEval） bin 
ExprEval.class 317B test ExprEvalTest.class 8KB TestCase.class 1KB exceptions IllegalIdentifierException.class 365B DividedByZeroException.class 343B ExpressionException.class 345B MissingOperandException.class 356B LexicalException.class 334B MissingLeftParenthesisException.class 382B FunctionCallException.class 362B TrinaryOperationException.class 374B MissingOperatorException.class 359B MissingRightParenthesisException.class 385B IllegalSymbolException.class 347B TypeMismatchedException.class 348B IllegalDecimalException.class 358B SemanticException.class 337B EmptyExpressionException.class 359B SyntacticException.class 340B gui MainWindow$7.class 723B MainWindow$6.class 664B MainWindow$2.class 1013B MainWindow.class 5KB MainWindow$5.class 696B MainWindow$1.class 628B MainWindow$3.class 671B MainWindow$8.class 507B MainWindow$4.class 635B test_standard.bat 173B ref package-list 25B
deprecated-list.html 5KB package-frame.html 794B help-doc.html 8KB allclasses-frame.html 3KB test package-summary.html 5KB ExprEvalTest.html 15KB package-frame.html 915B package-tree.html 5KB TestCase.html 16KB exceptions ExpressionException.html 11KB package-summary.html 9KB SemanticException.html 11KB TypeMismatchedException.html 11KB MissingOperandException.html 11KB EmptyExpressionException.html 11KB package-frame.html 3KB MissingOperatorException.html 11KB IllegalIdentifierException.html 11KB SyntacticException.html 12KB FunctionCallException.html 11KB package-tree.html 8KB IllegalDecimalException.html 11KB MissingLeftParenthesisException.html 11KB DividedByZeroException.html 11KB LexicalException.html 11KB MissingRightParenthesisException.html 11KB TrinaryOperationException.html 11KB IllegalSymbolException.html 11KB overview-summary.html 5KB index.html 922B allclasses-noframe.html 3KB resources 
inherit.gif 57B serialized-form.html 15KB overview-frame.html 1KB stylesheet.css 1KB constant-values.html 6KB index-all.html 26KB packages.html 696B gui package-summary.html 5KB MainWindow.html 26KB package-frame.html 820B package-tree.html 6KB overview-tree.html 8KB ExprEval.html 9KB src parser Calculator.java 1KB testcases simple.xml 2KB standard.xml 3KB build.bat 92B test_simple.bat 91B doc package-list 8B deprecated-list.html 4KB help-doc.html 8KB allclasses-frame.html 685B index.html 814B allclasses-noframe.html 665B resources inherit.gif 57B stylesheet.css 1KB constant-values.html 4KB index-all.html 5KB packages.html 702B overview-tree.html 5KB parser package-summary.html 5KB package-frame.html 835B package-tree.html 5KB Calculator.html 9KB run.bat 51B doc.bat 120B资源评论
