NDLI: The implementation of ALGOL N

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Babel, an application of extensible compilers

METAPI - a language for extensions

The description and the structure of ALGOL N

The implementation of ALGOL N

A short presentation of the main features of AEPL - an extensible programming language

An overview of the ECL programming system

A model of extensible language systems

Macros in higher-level languages

Syntax translation with context macros or macros without arguments

A syntax macro processor

Overview of the syntax processor generator SYNPROC

Parallel non-deterministic bottom-up parsing

An alternative approach to macro processing

Grammatical inference for defining extensions

Syntactic definition mechanisms

Data types and extensible languages

Extensibility in Simula 67

An implementation of ECL data types

Transition functions: A method for semantic extensions

The control structure facilities of ECL

Conversational systems programming by incremental extension of system configuration

Subroutine interface primitives for ETC

An extensible interpreter

Interpreter/compiler integration in ECL

MENELAUS: A system for measurement of the extensible language Proteus

Extensible languages: A potential user's point of view

Application of extensible languages to specialized application languages

PPL - an extensible language that failed

Extensible language - where are we going

The implementation of ALGOL N

Content Provider	ACM Digital Library
Author	Kakehi, K. Suzuki, N. Wada, E. Simauti, T. Fujisaki, T.
Abstract	Recent expansion of new techniques invented a great number of application areas in which computers are used in the ways which have not been dreamed of a decade ago. Since the usage of computers was controlled by programs stored in computers, the production of programs has been increasing in enormous rate. In order to ease programming efforts, many programming devices have been invented and organized to become an operating system and a programming system. Nowadays the operating system serves as an interface between the hardware and the programming system or a programmer. They are designed as a multipurpose program so as to be able to handle any usage of the computer. The programming system is, on the other hand, the tool for the programmer to make a program. It serves as an interface between a programmer and the operating system or the hardware. Since there are peculiar notions in each application area, different programming languages are invented for each application area so that programs become short and easy to write. The nucleus of the programming system is the language processor, so the programming system is expanding in terms of language processors. It now becomes necessary to find an easy way to create programming systems which can be expanded easily. There are three main approaches to resolving this problem. The first approach is to make a universal language and to write all programs in this language. Only one language processor is necessary for one computer. But this has never been realized. PL/I is supposed to serve as a higher programming language version of a universal language. The second approach is to make one compiler-compiler and to generate all compilers for different programming languages by that compiler-compiler. Strong tools for defining the syntax of the language already exist, but it is still not easy to define semantics. So it is very difficult to generate a good compiler with a good optimization facility. The third approach, now becoming more attractive, is the attempt to make a language extensible. An extensible language is the language which can introduce new syntax, practically in the form of operators, and new data structures. So if a programmer wants special operators and data structures, he can declare them before the program and can program in terms of them. This approach is promising since the programmer can make a program constructively.
Starting Page	15
Ending Page	22
Page Count	8
File Format	PDF
DOI	10.1145/800006.807974
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1971-09-01
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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