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/* valablock.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;
using Gee;
/**
* Represents a source code block.
*/
public class Vala.Block : Symbol, Statement {
/**
* Specifies whether this block contains a jump statement. This
* information can be used to remove unreachable block cleanup code.
*/
public bool contains_jump_statement { get; set; }
private Gee.List<Statement> statement_list = new ArrayList<Statement> ();
private Gee.List<LocalVariable> local_variables = new ArrayList<LocalVariable> ();
/**
* Creates a new block.
*
* @param source reference to source code
*/
public Block (SourceReference? source_reference = null) {
this.source_reference = source_reference;
}
/**
* Append a statement to this block.
*
* @param stmt a statement
*/
public void add_statement (Statement stmt) {
statement_list.add (stmt);
}
/**
* Returns a copy of the list of statements.
*
* @return statement list
*/
public Gee.List<Statement> get_statements () {
return new ReadOnlyList<Statement> (statement_list);
}
/**
* Add a local variable to this block.
*
* @param decl a variable declarator
*/
public void add_local_variable (LocalVariable local) {
local_variables.add (local);
}
/**
* Returns a copy of the list of local variables.
*
* @return variable declarator list
*/
public Gee.List<LocalVariable> get_local_variables () {
return new ReadOnlyList<LocalVariable> (local_variables);
}
public override void accept (CodeVisitor visitor) {
visitor.visit_block (this);
}
public override void accept_children (CodeVisitor visitor) {
foreach (Statement stmt in statement_list) {
stmt.accept (visitor);
}
}
}
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