public IExpression Parse(string expression)
{
_expression = expression;
_lexicalScanner = new LexicalScanner(expression);
return(ParseExpression());
}
public void TestSimpleParenthesisExpression()
{
LexicalScanner scanner = new LexicalScanner("(1*2)");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(OpenParenthesis), token);
Assert.IsTrue(token.GetValue().Equals("("));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Operator), token);
Assert.IsTrue(token.GetValue().Equals("*"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(CloseParenthesis), token);
Assert.IsTrue(token.GetValue().Equals(")"));
}
public void TestGetAllTokens()
{
LexicalScanner scanner = new LexicalScanner("1+2");
List <AbstractToken> tokens = scanner.GetAllTokens() as List <AbstractToken>;
Assert.AreEqual(3, tokens.Count);
}
public void TestPolynomialMixedSpacesEqualsExpression()
{
LexicalScanner scanner = new LexicalScanner("4 = 1^2 + 4*x \\22.8");
List <AbstractToken> tokens = scanner.GetAllTokens() as List <AbstractToken>;
Assert.AreEqual(11, tokens.Count);
}
public void TestPolynomialMixedSpacesExpExpression()
{
LexicalScanner scanner = new LexicalScanner("1.0e+2 ^2 + 4*x +22.8");
List<AbstractToken> tokens = scanner.GetAllTokens() as List<AbstractToken>;
Assert.AreEqual(9, tokens.Count);
}
public void TestPolynomialExpression()
{
LexicalScanner scanner = new LexicalScanner("a^2+b*x+c");
List<AbstractToken> tokens = scanner.GetAllTokens() as List<AbstractToken>;
Assert.AreEqual(9, tokens.Count);
}
public void TestGetAllTokens()
{
LexicalScanner scanner = new LexicalScanner("1+2");
List<AbstractToken> tokens = scanner.GetAllTokens() as List<AbstractToken>;
Assert.AreEqual(3, tokens.Count);
}
public void TestPolynomialExpression()
{
LexicalScanner scanner = new LexicalScanner("a^2+b*x+c");
List <AbstractToken> tokens = scanner.GetAllTokens() as List <AbstractToken>;
Assert.AreEqual(9, tokens.Count);
}
public void TestFloat()
{
LexicalScanner scanner = new LexicalScanner("1.0");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Float), token);
Assert.IsTrue(token.GetValue().Equals("1.0"));
}
public void TestInt()
{
LexicalScanner scanner = new LexicalScanner("1");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
}
public void TestPolynomialsExpression()
{
LexicalScanner scanner = new LexicalScanner("(5-2)*3^6+1");
List <AbstractToken> tokens = new List <AbstractToken>();
while (!scanner.EndOfInput)
{
tokens.Add(scanner.GetNextToken());
}
Assert.AreEqual(11, tokens.Count);
}
public void TestSimpleAddSubExpression()
{
LexicalScanner scanner = new LexicalScanner("1+2");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(AddSub), token);
Assert.IsTrue(token.GetValue().Equals("+"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
}
public void TestSimpleParenthesisExpression()
{
LexicalScanner scanner = new LexicalScanner("(1*2)");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(OpenParenthesis), token);
Assert.IsTrue(token.GetValue().Equals("("));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Operator), token);
Assert.IsTrue(token.GetValue().Equals("*"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(CloseParenthesis), token);
Assert.IsTrue(token.GetValue().Equals(")"));
}
public CliApp(LexicalScanner lexicalScanner, SemanticAnalyzer.SemanticAnalyzer semanticAnalyzer)
{
Lexer = lexicalScanner;
SemAnalyzer = semanticAnalyzer;
}
public void TestPolynomialsExpression()
{
LexicalScanner scanner = new LexicalScanner("(5-2)*3^6+1");
List<AbstractToken> tokens = new List<AbstractToken>();
while (!scanner.EndOfInput)
{
tokens.Add(scanner.GetNextToken());
}
Assert.AreEqual(11, tokens.Count);
}
public Parser(String invoer)
{
_lex = new LexicalScanner(invoer);
_currentNode = _start;
}
public void TestSimpleAddSubExpression()
{
LexicalScanner scanner = new LexicalScanner("1+2");
AbstractToken token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("1"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(AddSub), token);
Assert.IsTrue(token.GetValue().Equals("+"));
token = scanner.GetNextToken();
Assert.IsInstanceOf(typeof(Integer), token);
Assert.IsTrue(token.GetValue().Equals("2"));
}
