private Atom ParseLiteral(TemplateParser.ExprValueContext value)
{
if (value.integerValue != null)
{
long t = 0L;
if (long.TryParse(value.integerValue.Text, out t))
{
return(new Atom(AtomType.INT, t));
}
else
{
//error
}
}
else if (value.floatValue != null)
{
double t = 0;
if (double.TryParse(value.floatValue.Text, out t))
{
return(new Atom(AtomType.FLOAT, t));
}
else
{
//error
}
}
else if (value.boolValue != null)
{
bool t = false;
if (bool.TryParse(value.boolValue.Text, out t))
{
return(new Atom(AtomType.BOOL, t));
}
else
{
//error
}
}
else if (value.stringValue != null)
{
return(new Atom(AtomType.STRING, value.stringValue));
}
return(new Atom(AtomType.NULL, 0));
}
/// <summary>
/// Visit a parse tree produced by <see cref="TemplateParser.exprValue"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitExprValue([NotNull] TemplateParser.ExprValueContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="TemplateParser.exprValue"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitExprValue([NotNull] TemplateParser.ExprValueContext context)
{
}
