예제 #1
0
        public override ASTNode VisitAssignStmt([NotNull] llangParser.AssignStmtContext context)
        {
            Expression lhs = (Expression)Visit(context.expr(0)), rhs = (Expression)Visit(context.expr(1));

            //if (!TypeSymbol.Match(lhs.type, rhs.type)) Program.ErrorExit("Type mismatch", context.Start.Line, context.Start.Column);

            if (context.assignop().GetText().Length == 2)
            {
                return(new AugAssignNode(lhs, rhs, context.assignop().GetText(), MakeSourceLoc(context)));
            }

            return(new AssignNode(lhs, rhs, MakeSourceLoc(context)));
        }
예제 #2
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 /// <summary>
 /// Exit a parse tree produced by <see cref="llangParser.assignStmt"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitAssignStmt([NotNull] llangParser.AssignStmtContext context)
 {
 }
예제 #3
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 /// <summary>
 /// Visit a parse tree produced by <see cref="llangParser.assignStmt"/>.
 /// <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 VisitAssignStmt([NotNull] llangParser.AssignStmtContext context)
 {
     return(VisitChildren(context));
 }