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A digital presentation technology that manages anything from text to full-motion video has the potential of expanding the usefulness of personal computers, while rendering them less intimidating.
Results of measuring the performance of the storage management subsystem in an implementation of SNOBOL4 are described. By instrumenting the storage management system, data concerning the size, lifetime, and use of storage blocks were collected. These data, like those obtained from conventional time measurement techniques, were used to locate program… (More)
A procedure is described for augmenting a Simple LR(k) parser with new states which enable the extended parser to continue parsing the input after an error is detected. Examples of the error recovery technique are given.
This paper concems the representation and processing of data resulting from the measurement of programs written in high-level programming languages. The value of various "perspectives" of measurement results, especially in languages having many levels of activity, is illustrated. A representation of measurement data based on ideas from relational data bases… (More)
A simple method is described enabling simple precedence parsers to recover from syntax errors. No attempt to repair errors is made, yet parsing and most semantic processing can continue. The result is a good “first approximation” to syntax error handling with negligible increase in parsing time, space, and complexity of both the parser and its… (More)
This paper describes a graduate Computer Science course in which all aspects of the programming process are examined. The course has been taught for the past three years, and represents an attempt to pull together various results of researchers working on this rather undeveloped but important area. Unfortunately space does not permit the inclusion here of… (More)