public void SetUp()
{
var grammar = new CustomDslGrammar();
var language = new LanguageData(grammar);
_parser = new Parser(language);
_visitor = new CSharpExpressionBuilder();
}
public CustomDslCSharpExpressionVisitorTest()
{
var grammar = new CustomDslGrammar();
_parser = new Parser(grammar);
_visitor = new CSharpExpressionBuilder();
}
public void SetUp()
{
var grammar = new CustomDslGrammar();
var language = new LanguageData(grammar);
_parser = new Parser(language);
_visitor = new CSharpExpressionBuilder();
}
private void btnEvaluate_Click(object sender, EventArgs e)
{
var tree = _parser.Parse(txtExpression.Text);
if (tree.HasErrors())
{
MessageBox.Show(tree.ParserMessages.First().Message, "Error parsing message", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
var rootNode = (AstNode)tree.Root.AstNode;
var visitor = new CSharpExpressionBuilder();
var func = visitor.Build(rootNode);
txtResult.Text = func().ToString();
}
private void btnEvaluate_Click(object sender, EventArgs e)
{
ParseTree tree = _parser.Parse(txtExpression.Text);
if (tree.HasErrors())
{
MessageBox.Show(tree.ParserMessages.First().Message, "Error parsing message", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
var rootNode = (AstNode)tree.Root.AstNode;
var visitor = new CSharpExpressionBuilder();
Func<object> func = visitor.Build(rootNode);
txtResult.Text = func().ToString();
}
private void btnEvalRule_Click(object sender, EventArgs e)
{
var person = new Person
{
FirstName = txtFirstName.Text,
LastName = txtLastName.Text,
Age = (int) nudAge.Value
};
var tree = _parser.Parse(txtRule.Text);
if (tree.HasErrors())
{
MessageBox.Show(tree.ParserMessages.First().Message, "Error parsing message", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
var rootNode = (AstNode)tree.Root.AstNode;
var visitor = new CSharpExpressionBuilder();
var func = visitor.Build<Person>(rootNode);
var result = func(person);
if (result is bool)
{
var evalResult = (bool) result;
if (evalResult)
{
lblResult.Text = "Match!";
lblResult.BackColor = Color.LawnGreen;
}
else
{
lblResult.Text = "Not a match!";
lblResult.BackColor = Color.Red;
}
}
}
private void btnEvalRule_Click(object sender, EventArgs e)
{
var person = new Person
{
FirstName = txtFirstName.Text,
LastName = txtLastName.Text,
Age = (int)nudAge.Value
};
var tree = _parser.Parse(txtRule.Text);
if (tree.HasErrors())
{
MessageBox.Show(tree.ParserMessages.First().Message, "Error parsing message", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
var rootNode = (AstNode)tree.Root.AstNode;
var visitor = new CSharpExpressionBuilder();
var func = visitor.Build <Person>(rootNode);
var result = func(person);
if (result is bool)
{
var evalResult = (bool)result;
if (evalResult)
{
lblResult.Text = "Match!";
lblResult.BackColor = Color.LawnGreen;
}
else
{
lblResult.Text = "Not a match!";
lblResult.BackColor = Color.Red;
}
}
}
