protected virtual MethodNode ParseMethod()
{
// PARSE X3J20: <method definition> ::= <message pattern> [<temporaries> ] [<statements>]
// NB: We've extended the method definition to allow API calls into the .Net Framework,
// PARSE: <method definition> ::= <message pattern> [<temporaries>] [<api call>] [<statements>]
MethodNode result = this.ParseMessagePattern();
Token token = this.GetNextTokenxx(Preference.NegativeSign | Preference.VerticalBar);
// PARSE: [<temporaries>]
ParseTemporariesResult ptr = this.ParseTemporaries(result, token);
// PARSE [<api call>]
token = this.GetNextTokenxx(Preference.NegativeSign);
if (Parser.IsApiOpeningDelimiter(token))
{
result.SetContents(this.ParseApiCall(result, (BinarySelectorToken)token));
token = this.GetNextTokenxx(Preference.NegativeSign);
}
// PARSE: <statements>
StatementNode statements = this.ParseStatement(result, token);
// Should be done.
token = this.GetNextTokenxx(Preference.Default);
if (!(token is EofToken))
{
this.ReportParserError(result, SemanticErrors.UnexpectedCodeAfterMethodDefinition, token);
}
result.SetContents(ptr.LeftBar, ptr.Temporaries, ptr.RightBar, statements);
return(result);
}
