public override int VisitLogical_or(BRAQParser.Logical_orContext context)
{
if (context.left != null)
{
context.left.Accept(this);
//если левый истинный, тогда прыгаем, иначе правый
Label truthey_or = il.DefineLabel(); //stack: left
il.Emit(OpCodes.Brtrue_S, truthey_or); //stack:
Label falsey_or = il.DefineLabel();
context.right.Accept(this); //stack: right
il.Emit(OpCodes.Br_S, falsey_or); //stack: right
il.MarkLabel(truthey_or); //from brtrue, stack:
il.Emit(OpCodes.Ldc_I4_1); // stack : 1
il.MarkLabel(falsey_or); //from br_s, stack: right
}
else
{
context.right.Accept(this);
}
return(0);
}
/// <summary>
/// Visit a parse tree produced by <see cref="BRAQParser.logical_or"/>.
/// <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 VisitLogical_or([NotNull] BRAQParser.Logical_orContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="BRAQParser.logical_or"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitLogical_or([NotNull] BRAQParser.Logical_orContext context)
{
}
public override Type VisitLogical_or(BRAQParser.Logical_orContext context)
{
return(binary_optional_left_expr(context, context.left, context.op, context.right));
}
