public static LanguageType GetType(ALangParser.DclContext context)
{
var type = context.TYPE().GetText();
switch (type)
{
case "void":
return(LanguageType.Void);
case "int":
return(LanguageType.Int);
case "pin":
return(LanguageType.Pin);
case "time":
return(LanguageType.Time);
default:
return(LanguageType.Null);
}
}
public override AstNode VisitDcl(ALangParser.DclContext context)
{
AstNode node;
if (context.functioncall() != null)
{
node = context.functioncall().Accept(this);
}
else
{
var dclNode = new DeclarationNode(context);
if (context.primaryExpression() != null)
{
dclNode.RightHandSide = context.primaryExpression().Accept(this);
}
dclNode.Identifier = context.ID().GetText();
dclNode.Type = Type.GetType(context);
node = dclNode;
}
return(node);
}
/// <summary>
/// Exit a parse tree produced by <see cref="ALangParser.dcl"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitDcl([NotNull] ALangParser.DclContext context)
{
}
public DeclarationNode(ALangParser.DclContext context) : base(context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="ALangParser.dcl"/>.
/// <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 VisitDcl([NotNull] ALangParser.DclContext context)
{
return(VisitChildren(context));
}
