Beispiel #1
0
        public override bool VisitStmtAssign([NotNull] GamaParser.StmtAssignContext context)
        {
            ExpressionCompiler.PushLoad(false);
            var lhs = VisitExpression(context.expr(0));

            ExpressionCompiler.PopLoad();

            if (lhs == null)
            {
                return(false);
            }

            if (!lhs.IsModifiableLValue)
            {
                NamespaceContext.Context.AddError(new ErrorAssignToNonModLValue(context.expr(0)));
                return(false);
            }

            var value = VisitExpression(lhs.Type, context.expr(1));

            if (value == null)
            {
                NamespaceContext.Context.AddError(new ErrorTypeMismatch(context.expr(1)));
                return(false);
            }

            /* LLVM */
            CurrentBlock.PositionBuilderAtEnd(Builder);
            Builder.BuildStore(value.Value, lhs.Value);
            return(true);
        }
Beispiel #2
0
 /// <summary>
 /// Visit a parse tree produced by <see cref="GamaParser.stmtAssign"/>.
 /// <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 VisitStmtAssign([NotNull] GamaParser.StmtAssignContext context)
 {
     return(VisitChildren(context));
 }
Beispiel #3
0
 /// <summary>
 /// Exit a parse tree produced by <see cref="GamaParser.stmtAssign"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitStmtAssign([NotNull] GamaParser.StmtAssignContext context)
 {
 }