Mouse (programming language): Difference between revisions

Revision as of 01:30, 12 February 2007

Revision as of 17:30, 13 February 2007

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Mouse was originally intended as a small, efficient language for [[microcomputer|microcomputers]] with limited memory. It is an interpreted, [[Stack (data structure)|stack]]-based language and uses [[Reverse Polish notation]]. In order to make an interpreter as easy as possible to implement, Mouse is designed so that a program is processed as a stream of characters, interpreted one character at a time.

The elements of the Mouse language consist of a set of (mostly) one-character symbols, each of which performs a specific function (see table below). Since variable names are limited to one character, there are only 26 possible variables in Mouse (named A-Z). Integers and characters are the only available data types.

Despite these limitations, Mouse includes a number of relatively advanced features, including:

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* Loops

* Pointers

* Macros (subroutines (which may be recursive))

* Arrays

* Code tracing

The design of the Mouse language makes it ideal for teaching the design of ana simple interpreter. Much of the book describing Mouse<ref name="grogono2" /> is devoted to describing the implementation of two interpreters, one in Z80 assembly language, the interpreterother in Pascal.

==Detailed Description==

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|-

| <space>

| No action.

|-

|align="center"| $

| End of program.

|-

| <number>

| Push <number> on theonto stack.

|-

|align="center"| +

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====Output====

Mouse may print integers, characters, or string constants, as shown in these examples. If an exclamation point appears in a string constant, a carriagenew returnline is printed.

<pre>

X. ! ~ recall number X and print it

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* [http://www.geocities.com/fullerhaparnoldafmil/mouse.html The Great MOUSE Programming Language Revival]

* [http://cth.dtdns.net/mouse/ Friends of the Mouse]

* [http://www.primepuzzle.com/mouse/mouse.html Mouse, the Language]

* [http://mouse.davidgsimpson.com Mouse: Computer Programming Language] (includes source code for Mouse interpreters)

* [http://mouse.sourceforge.net/ Information on sourceforge.net]