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====== TWENEX Interlisp Tutorial ====== | ====== TWENEX Interlisp Tutorial ====== | ||
- | **Interlisp-10**, | + | **Interlisp-10**, |
- | The language became popular with Stanford University AI researchers and at other principly | + | The language became popular with Stanford University AI researchers and at other principally |
- | Interlisp | + | ===== Interlisp |
- | ===== Set-up ===== | + | At the time of its creation, what distinguished Interlisp from most other programming languages and systems was that it attempted to provide the user with a complete set of tools for making it possible for him or her to accomplish the desired task as easily as possible. Listed below are a brief summary of some of the more interesting features, and complete details are found in the __Interlisp Reference Manual__((Warren Teitelman. Interlisp Reference Manual. (1978). Accessed: October 6, 2024. [Online]. Available: https:// |
- | Before running | + | * **Editor** -- Interlisp |
- | + | * **Break package** -- A package for giving control to he user when an error occurs so variable values can be examined and other tests preformed. It also includes the ability to set breakpoints and trace functions. | |
- | - Define | + | |
- | - Undefine the logical name '' | + | * **Record package** -- A package for creating record structures which allow one's code to be written independent of the data structures acutally chosen for the implementation. |
+ | | ||
+ | * **CLISP** -- " | ||
+ | * **Helpsys** -- An on-line help and documentation facility. //(Not available on TWENEX.)// | ||
+ | * **Masterscope** -- A program for analyzing | ||
===== In and Out ===== | ===== In and Out ===== | ||
- | Start Interlisp with the EXEC command '' | + | Start Interlisp with the EXEC command '' |
+ | |||
+ | ===== Interlisp Tips ===== | ||
+ | |||
+ | * Although the Interlisp programming language is not identical to Lisp 1.5, Clark Weissman' | ||
+ | * The Interlisp | ||
+ | * The Interlisp top-level allows expressions to be entered over multiple lines. Type a carriage-return to continue input on a new line. To make Interlisp evaluate an input expression, type a right parenthesis to close the last open left parenthesis. (Interlisp will append a carriage-return automatically.) | ||
+ | * The Interlisp top-level accepts commands in either of two formats: | ||
+ | - EVAL format: | ||
+ | - EVALQUOTE format: ''// | ||
+ | * Interlisp supports both upper- and lower-case characters, and names are case-sensitive. Names of core functions are defined in uppercase, but the DWIM facility can automatically correct incorrect capitalization. | ||
+ | * The Interlisp read program treats square brackets (" | ||
+ | * You can insert comments in your Interlisp | ||
+ | * Type a single quotation mark ("'" | ||
+ | * Type a percent sign (" | ||
+ | * Type "? | ||
+ | |||
+ | ===== Interlisp Control Characters ===== | ||
+ | |||
+ | |Ctrl-C|Return to EXEC. Interlisp can be resumed with '' | ||
+ | |Ctrl-D|Return to Interlisp top-level. | | ||
+ | |Ctrl-N|Call Interlisp editor on the expression being read, when the __read__ is completed. | | ||
+ | |Ctrl-O|Clear output buffer. | | ||
+ | |Ctrl-U|Print "##" | ||
+ | |Ctrl-V|Escape the following control character that would otherwise interrupt the input process. | | ||
+ | |Ctrl-W|Erase the last // | ||
+ | |Backspace|Erase the last character typed in, echoing a " | ||
+ | |||
+ | ===== Example Session ===== | ||
+ | |||
+ | For an example of basic Interlisp usage (defining a function, debugging, and saving it to a file), see [[https:// | ||
+ | |||
+ | ===== Interlisp Editor ===== | ||
+ | |||
+ | For an introduction to Interlisp' | ||
+ | |||
+ | ===== Hello, World! ===== | ||
- | **Note:** Interlisp built-in | + | The example session referenced above defines a recursive factorial |
- | ===== References ===== | + | (DEFINEQ |
+ | (HELLO | ||
+ | [LAMBDA NIL (* edited: | ||
+ | " 6-Oct-2024 23:" | ||
+ | (PRIN1 " | ||
+ | quotation marks, then | ||
+ | CR-LF on standard | ||
+ | output) | ||
+ | (TERPRI]) | ||
+ | ) | ||
+ | | ||
- | Warren Teitelman. Interlisp Reference Manual. (1978). Accessed: October 3, 2024. [Online]. Available: https:// | ||
- | Clark Weissman. Lisp 1.5 Primer. (1967). Accessed: October 3, 2024. [Online]. Available: http:// | ||