| 摘要 |
An editor, software engineering tool or collection of such tools may be configured to encode (or employ an encoding of) an insertion point representation that identifies a particular token of a token-oriented representation and offset thereinto, together with at least some line-oriented coordinates. Efficient implementations of insert and remove operations that employ such a representation are described herein. Computational costs of such operations typically scale at worst with the size of fragments inserted into and/or removed from such a token-oriented representation, rather than with buffer size. Accordingly, such implementations are particularly well-suited to providing efficient support for programming tool environments in which a token stream is updated incrementally in correspondence with user edits.
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