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/* valatemplate.vala
*
* Copyright (C) 2009-2010 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
public class Vala.Template : Expression {
private List<Expression> expression_list = new ArrayList<Expression> ();
public Template (SourceReference? source_reference = null) {
this.source_reference = source_reference;
}
public override void accept (CodeVisitor visitor) {
visitor.visit_template (this);
}
public override void accept_children (CodeVisitor visitor) {
foreach (var expr in expression_list) {
expr.accept (visitor);
}
}
public void add_expression (Expression expr) {
expression_list.add (expr);
expr.parent_node = this;
}
public List<Expression> get_expressions () {
return expression_list;
}
public override bool is_pure () {
return false;
}
public override string to_string () {
var b = new StringBuilder ();
b.append ("@\"");
foreach (var expr in expression_list) {
if (expr is StringLiteral) {
unowned string value = ((StringLiteral) expr).value;
b.append (value.substring (1, (uint) (value.length - 2)));
} else {
b.append ("$(");
b.append (expr.to_string ());
b.append_c (')');
}
}
b.append_c ('"');
return b.str;
}
public override void replace_expression (Expression old_node, Expression new_node) {
int index = expression_list.index_of (old_node);
if (index >= 0) {
expression_list[index] = new_node;
new_node.parent_node = this;
}
}
public override bool check (CodeContext context) {
if (checked) {
return !error;
}
checked = true;
foreach (var expr in expression_list) {
if (!expr.check (context)) {
error = true;
continue;
}
}
value_type = context.analyzer.string_type.copy ();
value_type.value_owned = true;
return !error;
}
}
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