public override GamaValueRef VisitExprOpAdd([NotNull] GamaParser.ExprOpAddContext context)
{
var lhs = Visit(context.expr(0));
var rhs = Visit(context.expr(1));
var op = context.opAdd().GetText();
GamaFunctionList oplist;
if (op == "+")
{
oplist = lhs.Type.Meta.Operators.Add;
}
else
{
oplist = lhs.Type.Meta.Operators.Sub;
}
var target = !IsEmptyTT ? TopTT : null;
GamaFunctionRef fnref = null;
if (target == null)
{
fnref = oplist.FindFunction(new[] { lhs.Type, rhs.Type });
}
else
{
fnref = oplist.FindFunction(target, new[] { lhs.Type, rhs.Type });
}
if (fnref == null)
{
GamaCompiledFunctionList coplist;
if (op == "+")
{
coplist = lhs.Type.Meta.CompiledOperators.Add;
}
else
{
coplist = lhs.Type.Meta.CompiledOperators.Sub;
}
GamaCompiledFunctionRef cfnref = null;
if (target == null)
{
cfnref = coplist.FindFunction(lhs.Type, rhs.Type);
}
else
{
cfnref = coplist.FindFunction(target, new[] { lhs.Type, rhs.Type });
}
if (cfnref == null)
{
Parent.NamespaceContext.Context.AddError(new ErrorNoViableOperator(context));
return(null);
}
var cbuilder = Parent.Builder;
Parent.CurrentBlock.PositionBuilderAtEnd(cbuilder);
return(cfnref.Call(cbuilder, lhs, rhs));
}
/* LLVM */
var block = Parent.CurrentBlock;
var builder = Parent.Builder;
block.PositionBuilderAtEnd(builder);
var result = builder.BuildCall(fnref.Value, new LLVMValueRef[] { lhs.Value, rhs.Value });
return(new GamaValueRef(fnref.ReturnType, result, false));
}
/// <summary>
/// Visit a parse tree produced by the <c>ExprOpAdd</c>
/// labeled alternative in <see cref="GamaParser.expr"/>.
/// <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 VisitExprOpAdd([NotNull] GamaParser.ExprOpAddContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>ExprOpAdd</c>
/// labeled alternative in <see cref="GamaParser.expr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitExprOpAdd([NotNull] GamaParser.ExprOpAddContext context)
{
}