public override AstNode VisitPostfix_expression([NotNull] GLSL_ES300Parser.Postfix_expressionContext context)
{
if (context.Increment() != null || context.Decrement() != null)
{
var rUnary = new ExpressionUnaryPostfix();
if (context.Increment() != null)
{
rUnary.Operator = Operator.Increment;
}
else
{
rUnary.Operator = Operator.Decrement;
}
rUnary.Left = (Expression)this.Visit(context.postfix_expression());
return(rUnary);
}
var field = context.field_selection();
if (field != null)
{
return(new ExpressionFieldSelection()
{
Name = new Identifier()
{
Name = field.Identifier().Symbol.Text
},
Left = (Expression)this.Visit(context.postfix_expression())
});
}
var func = context.function_call_generic();
if (func != null)
{
var rFunc = this.VisitFunctionCall(func);
if (context.postfix_expression() != null)
{
rFunc.Left = (Expression)this.Visit(context.postfix_expression());
}
return(rFunc);
}
var intExpr = context.integer_expression();
if (intExpr != null)
{
return(new ExpressionIndexAccess()
{
Left = (Expression)this.Visit(context.postfix_expression()),
Index = (Expression)this.Visit(context.integer_expression())
});
}
return(this.Visit(context.primary_expression()));
}
/// <summary>
/// Visit a parse tree produced by <see cref="GLSL_ES300Parser.postfix_expression"/>.
/// <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 VisitPostfix_expression([NotNull] GLSL_ES300Parser.Postfix_expressionContext context)
{
return(VisitChildren(context));
}
