Exemple #1
0
        private Statement ParseBlock()
        {
            Eat(TokenKind.LeftBrace);
            int start = GetStart();
            List<Statement> statements = new List<Statement>();
            try
            {
                _openParen++;
                while (!MaybeEat(TokenKind.RightBrace))
                {
                    var stmt = ParseStatement();
                    if (stmt == null)
                        return null;

                    statements.Add(stmt);
                }
            }
            finally
            {
                _openParen--;
            }
            Statement ret = new SuiteStatement(statements.ToArray());
            ret.SetLoc(_globalParent, start, GetEnd());
            return ret;
        }
Exemple #2
0
        private TotemAst ParseFileWorker(bool makeModule, bool returnValue)
        {
            _globalParent = new TotemAst(makeModule, false, _context);
            StartParsing();

            List<Statement> l = new List<Statement>();

            while (true)
            {
                if (MaybeEat(TokenKind.EndOfFile)) break;

                Statement s = ParseStatement();
                l.Add(s);
            }

            Statement[] stmts = l.ToArray();

            if (returnValue && stmts.Length > 0)
            {
                ExpressionStatement exprStmt = stmts[stmts.Length - 1] as ExpressionStatement;
                if (exprStmt != null)
                {
                    var retStmt = new ReturnStatement(exprStmt.Expression);
                    stmts[stmts.Length - 1] = retStmt;
                    retStmt.SetLoc(_globalParent, exprStmt.Expression.IndexSpan);
                }
            }

            SuiteStatement ret = new SuiteStatement(stmts);
            ret.SetLoc(_globalParent, 0, GetEnd());
            return FinishParsing(ret);
        }
Exemple #3
0
 public override bool Walk(SuiteStatement node)
 {
     node.Parent = _currentScope;
     return base.Walk(node);
 }