static ast.Expression parseArrayLiteral() { ast.ArrayLiteral array = new ast.ArrayLiteral { Token = curToken }; array.Elements = parseExpressionList(token.RBRACKET); return(array); }
public static ast.Node Modify(ast.Node node, MofifierFunc modifier) { if (node is ast.Program) { ast.Program _node = (ast.Program)node; for (int i = 0; i < _node.Statements.Count; i++) { _node.Statements[i] = (ast.Statement)Modify(_node.Statements[i], modifier); } node = _node; } if (node is ast.ExpressionStatement) { ast.ExpressionStatement _node = (ast.ExpressionStatement)node; _node.Expression = (ast.Expression)Modify(_node.Expression, modifier); node = _node; } if (node is ast.InfixExpression) { ast.InfixExpression _node = (ast.InfixExpression)node; _node.Left = (ast.Expression)Modify(_node.Left, modifier); _node.Right = (ast.Expression)Modify(_node.Right, modifier); node = _node; } if (node is ast.PrefixExpression) { ast.PrefixExpression _node = (ast.PrefixExpression)node; _node.Right = (ast.Expression)Modify(_node.Right, modifier); node = _node; } if (node is ast.IndexExpression) { ast.IndexExpression _node = (ast.IndexExpression)node; _node.Left = (ast.Expression)Modify(_node.Left, modifier); _node.Index = (ast.Expression)Modify(_node.Index, modifier); node = _node; } if (node is ast.IfExpression) { ast.IfExpression _node = (ast.IfExpression)node; _node.Condition = (ast.Expression)Modify(_node.Condition, modifier); _node.Consequence = (ast.BlockStatement)Modify(_node.Consequence, modifier); node = _node; if (_node.Alternative != null) { _node.Alternative = (ast.BlockStatement)Modify(_node.Alternative, modifier); } } if (node is ast.BlockStatement) { ast.BlockStatement _node = (ast.BlockStatement)node; for (int i = 0; i < _node.Statements.Count; i++) { _node.Statements[i] = (ast.Statement)Modify(_node.Statements[i], modifier); } node = _node; } if (node is ast.ReturnStatement) { ast.ReturnStatement _node = (ast.ReturnStatement)node; _node.ReturnValue = (ast.Expression)Modify(_node.ReturnValue, modifier); node = _node; } if (node is ast.LetStatement) { ast.LetStatement _node = (ast.LetStatement)node; _node.Value = (ast.Expression)Modify(_node.Value, modifier); node = _node; } if (node is ast.FunctionLiteral) { ast.FunctionLiteral _node = (ast.FunctionLiteral)node; for (int i = 0; i < _node.Parameters.Count; i++) { _node.Parameters[i] = (ast.Identifier)Modify(_node.Parameters[i], modifier); } _node.Body = (ast.BlockStatement)Modify(_node.Body, modifier); node = _node; } if (node is ast.ArrayLiteral) { ast.ArrayLiteral _node = (ast.ArrayLiteral)node; for (int i = 0; i < _node.Elements.Count; i++) { _node.Elements[i] = (ast.Expression)Modify(_node.Elements[i], modifier); } node = _node; } if (node is ast.HashLiteral) { ast.HashLiteral _node = (ast.HashLiteral)node; Dictionary <ast.Expression, ast.Expression> newPairs = new Dictionary <ast.Expression, ast.Expression>(); foreach (KeyValuePair <ast.Expression, ast.Expression> kv in _node.Pairs) { ast.Expression newKey = (ast.Expression)Modify(kv.Key, modifier); ast.Expression newVal = (ast.Expression)Modify(kv.Value, modifier); newPairs.Add(newKey, newVal); } _node.Pairs = newPairs; node = _node; } return(modifier(node)); }