//
// VariableStatement.cs: The AST representation of a VariableStatement.
//
// Author:
// Cesar Octavio Lopez Nataren
//
// (C) 2003, Cesar Octavio Lopez Nataren, <cesar@ciencias.unam.mx>
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.Text;
using System;
namespace Microsoft.JScript {
internal class VariableStatement : AST, ICanModifyContext {
internal ArrayList var_decls;
internal VariableStatement (AST parent, Location location)
: base (parent, location)
{
var_decls = new ArrayList ();
}
internal void Add (VariableDeclaration varDecl)
{
var_decls.Add (varDecl);
}
public override string ToString ()
{
StringBuilder sb = new StringBuilder ();
foreach (VariableDeclaration var_decl in var_decls)
sb.Append (var_decl.ToString () + " ");
return sb.ToString ();
}
void ICanModifyContext.EmitDecls (EmitContext ec)
{
foreach (VariableDeclaration var_decl in var_decls)
((ICanModifyContext) var_decl).EmitDecls (ec);
}
internal override void Emit (EmitContext ec)
{
int i, size = var_decls.Count;
for (i = 0; i < size; i++)
((VariableDeclaration) var_decls [i]).Emit (ec);
}
void ICanModifyContext.PopulateContext (Environment env, string ns)
{
foreach (VariableDeclaration var_decl in var_decls)
((ICanModifyContext) var_decl).PopulateContext (env, ns);
}
internal override bool Resolve (Environment env)
{
VariableDeclaration tmp_decl;
int n = var_decls.Count;
bool r = true;
for (int i = 0; i < n; i++) {
tmp_decl = (VariableDeclaration) var_decls [i];
r &= tmp_decl.Resolve (env);
}
return r;
}
}
}