public static Expression MakeOperator(string @operator, FunctionExpression function)
{
var token = new Token(function.Token, TokenType.Global, "global", TokenSubType.Keyword);
var global = new GlobalExpression(token);
token = new Token(function.Token, TokenType.Identifier, "__ops", TokenSubType.None);
var opsField = new FieldExpression(token, global);
token = new Token(function.Token, TokenType.String, @operator, TokenSubType.Operator);
var opField = new FieldExpression(token, opsField);
token = new Token(function.Token, TokenType.Assign, "=", TokenSubType.Operator);
return new BinaryOperatorExpression(token, opField, function);
}
public Expression Parse(Parser parser, Token token)
{
string name;
List<string> arguments;
string otherArgs;
ScopeExpression body;
bool isOperator;
bool trailingSemicolon;
ParseFunction(parser, token, false, out trailingSemicolon, out name, out arguments, out otherArgs, out isOperator, out body);
var function = new FunctionExpression(token, name, arguments, otherArgs, isOperator, body);
return isOperator ? MakeOperator(name, function) : function;
}
