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/* valaccodeblock.vala
*
* Copyright (C) 2006-2008 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>
*/
using GLib;
/**
* Represents a C code block.
*/
public class Vala.CCodeBlock : CCodeStatement {
/**
* Specifies whether a newline at the end of the block should be
* suppressed.
*/
public bool suppress_newline { get; set; }
private List<CCodeNode> statements = new ArrayList<CCodeNode> ();
/**
* Prepend the specified statement to the list of statements.
*/
public void prepend_statement (CCodeNode statement) {
statements.insert (0, statement);
}
/**
* Append the specified statement to the list of statements.
*/
public void add_statement (CCodeNode statement) {
/* allow generic nodes to include comments */
statements.add (statement);
}
public override void write (CCodeWriter writer) {
// the last reachable statement
CCodeNode last_statement = null;
writer.write_begin_block ();
foreach (CCodeNode statement in statements) {
statement.write_declaration (writer);
// determine last reachable statement
if (statement is CCodeLabel || statement is CCodeCaseStatement) {
last_statement = null;
} else if (statement is CCodeReturnStatement || statement is CCodeGotoStatement
|| statement is CCodeContinueStatement || statement is CCodeBreakStatement) {
last_statement = statement;
}
}
foreach (CCodeNode statement in statements) {
statement.write (writer);
// only output reachable code
if (statement == last_statement) {
break;
}
}
writer.write_end_block ();
if (!suppress_newline) {
writer.write_newline ();
}
}
}
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