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/* valaccodeifsection.vala
*
* Copyright (C) 2013 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:
* Marc-André Lurau <marcandre.lureau@redhat.com>
*/
using GLib;
/**
* Represents a section that should be processed on condition.
*/
public class Vala.CCodeIfSection : CCodeFragment {
/**
* The conditional expression, or null if there is no condition.
*/
public string? expression { get; set; }
CCodeIfSection? else_section;
bool is_else_section;
public CCodeIfSection (string? expr) {
expression = expr;
is_else_section = false;
}
public unowned CCodeIfSection append_else (string? expr = null) {
else_section = new CCodeIfSection (expr);
else_section.is_else_section = true;
return else_section;
}
public override void write (CCodeWriter writer) {
if (is_else_section) {
if (expression != null) {
writer.write_string ("#elif ");
writer.write_string (expression);
} else {
writer.write_string ("#else");
}
} else if (expression != null) {
writer.write_string ("#if ");
writer.write_string (expression);
}
writer.write_newline ();
foreach (CCodeNode node in get_children ()) {
node.write_combined (writer);
}
if (else_section != null) {
else_section.write_combined (writer);
} else {
writer.write_string ("#endif");
writer.write_newline ();
}
}
public override void write_declaration (CCodeWriter writer) {
}
public override void write_combined (CCodeWriter writer) {
write (writer);
}
}
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