void facteur(ref Expression ex)
{
if (la.kind == 1)
{
Get();
if (StartOf(8))
{
ex = new VariableExpression {
Name = t.val, Location = new Location(t.line, t.col, t.charPos)
};
}
else if (la.kind == 22)
{
ex = new MethodInvocationExpression {
Name = t.val, Location = new Location(t.line, t.col, t.charPos)
}; List <Expression> el = null;
Get();
expr_list(ref el);
(ex as MethodInvocationExpression).Arguments = el;
Expect(23);
}
else
{
SynErr(61);
}
}
else if (la.kind == 2)
{
Get();
ex = new IntegralExpression {
Value = int.Parse(t.val), Location = new Location(t.line, t.col, t.charPos)
};
}
else if (la.kind == 22)
{
Expression target = null;
Get();
ex = new ParenthesisExpression {
Location = new Location(t.line, t.col, t.charPos)
};
expr(ref target);
(ex as ParenthesisExpression).Target = target;
Expect(23);
}
else if (la.kind == 17)
{
Expression e = null;
Get();
ex = new UnaryOperationExpression {
Location = new Location(t.line, t.col, t.charPos), Operator = Operators.LogicalNot
};
facteur(ref e);
(ex as UnaryOperationExpression).Expression = e;
}
else
{
SynErr(62);
}
}
protected IExpression MayNegate(IExpression expression)
{
if (negate)
{
if (expression is BinaryOperationExpression)
{
expression = new ParenthesisExpression(null, expression);
}
expression = new UnaryOperationExpression(null, UnaryOperator.Not, expression);
}
return(expression);
}
public void UnaryOperationExpressionHasProperties()
{
var a = JS.Id("a");
var expression = new UnaryOperationExpression(a, UnaryOperator.Number);
Assert.AreEqual("+a;", expression.ToString());
expression.Operator = UnaryOperator.New;
Assert.AreEqual(UnaryOperator.New, expression.Operator);
Assert.AreEqual("new a;", expression.ToString());
expression.Operand = JS.ParseId("Sys.UI.Component");
Assert.AreEqual("Sys.UI.Component;", expression.Operand.ToString());
Assert.AreEqual("new Sys.UI.Component;", expression.ToString());
}
public void UnaryOperationExpressionHasProperties()
{
var a = JS.Id("a");
var expression = new UnaryOperationExpression(a, UnaryOperator.Number);
Assert.AreEqual("+a;", expression.ToString());
expression.Operator = UnaryOperator.New;
Assert.AreEqual(UnaryOperator.New, expression.Operator);
Assert.AreEqual("new a;", expression.ToString());
expression.Operand = JS.ParseId("Sys.UI.Component");
Assert.AreEqual("Sys.UI.Component;", expression.Operand.ToString());
Assert.AreEqual("new Sys.UI.Component;", expression.ToString());
}
void simple_expr(ref Expression expr)
{
if (la.kind == 27 || la.kind == 28)
{
Expression e = null; Operators op = Operators.Add;
signe(ref op);
terme(ref e);
expr = new UnaryOperationExpression {
Operator = op, Location = e.Location, Expression = e
};
}
else if (StartOf(4))
{
Expression e = null; Operators op = Operators.Add;
terme(ref expr);
if (StartOf(5))
{
}
else if (la.kind == 27 || la.kind == 28)
{
signe(ref op);
simple_expr(ref e);
expr = new BinaryOperationExpression {
Left = expr, Right = e, Operator = op, Location = expr.Location
};
}
else if (la.kind == 16)
{
Get();
simple_expr(ref e);
expr = new BinaryOperationExpression {
Left = expr, Right = e, Operator = Operators.Or, Location = expr.Location
};
}
else
{
SynErr(56);
}
}
else
{
SynErr(57);
}
}
public void UnaryOperationExpressionDetectsUnknownEnumeration()
{
var expression = new UnaryOperationExpression(1, (UnaryOperator)int.MaxValue);
Expect.Throw <InvalidOperationException>(() => expression.ToString());
}
public void UnaryOperationExpressionDetectsUnknownEnumeration()
{
var expression = new UnaryOperationExpression(1, (UnaryOperator) int.MaxValue);
Expect.Throw<InvalidOperationException>(() => expression.ToString());
}
