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/* valadeletestatement.vala
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* Copyright (C) 2008-2011 Jürg Billeter
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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* Jürg Billeter <j@bitron.ch>
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* Represents a delete statement e.g. "delete a".
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public class Vala.DeleteStatement : CodeNode, Statement {
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* Expression representing the instance to be freed.
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public Expression expression {
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get { return _expression; }
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_expression.parent_node = this;
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private Expression _expression;
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public DeleteStatement (Expression expression, SourceReference? source_reference = null) {
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this.expression = expression;
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this.source_reference = source_reference;
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public override void accept (CodeVisitor visitor) {
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visitor.visit_delete_statement (this);
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public override void accept_children (CodeVisitor visitor) {
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expression.accept (visitor);
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public override bool check (CodeContext context) {
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if (!expression.check (context)) {
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// if there was an error in the inner expression, skip this check
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if (!(expression.value_type is PointerType) && !(expression.value_type is ArrayType)) {
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Report.error (source_reference, "delete operator not supported for `%s'".printf (expression.value_type.to_string ()));
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public override void emit (CodeGenerator codegen) {
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expression.emit (codegen);
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codegen.visit_delete_statement (this);