// Well, this is not a namespace creator, instead this will import everything from another file
public override GamaNamespace VisitImportStmt([NotNull] GamaParser.ImportStmtContext context)
{
var file = context.StringLiteral().GetText().Trim('"');
if (GlobalContext.ImportedFiles.Contains(file))
{
return(null); // just skip already included files, this is dumb, fix later: TODO:
}
if (!file.EndsWith(".gm"))
{
file += ".gm";
}
if (!File.Exists(file))
{
file = "./include/" + file; // TODO: might need fixing to app path
if (!File.Exists(file))
{
Console.WriteLine("Imported file not found: '{0}'", file);
// GlobalContext.AddError(new ErrorImportFileNotFound(file));
return(null);
}
}
GlobalContext.ImportedFiles.Add(file);
var input = new AntlrInputStream(File.ReadAllText(file));
var lexer = new GamaLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new GamaParser(tokens);
var program = parser.program();
if (parser.NumberOfSyntaxErrors > 0)
{
Console.WriteLine("Imported file contains syntax errors, aborting compilation.");
return(null);
}
var unit = new GamaNamespaceCompiler(GlobalContext);
unit.Visit(program);
return(null);
}
/// <summary>
/// Visit a parse tree produced by the <c>ImportStmt</c>
/// labeled alternative in <see cref="GamaParser.namespace"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitImportStmt([NotNull] GamaParser.ImportStmtContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>ImportStmt</c>
/// labeled alternative in <see cref="GamaParser.namespace"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitImportStmt([NotNull] GamaParser.ImportStmtContext context)
{
}
