AmigaOS Manual: ARexx Glossary - Revision history

Janne Peräaho: Added SETCLIP link

2019-04-21T23:07:43Z

Added SETCLIP link

← Older revision		Revision as of 23:07, 21 April 2019
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	; clip list		; clip list
	: A clipboard used for intertask communication. Name and value pairs can be added to the clip list with the SETCLIP() function.		: A clipboard used for intertask communication. Name and value pairs can be added to the clip list with the [[AmigaOS_Manual:_ARexx_Functions#SETCLIP.28.29\|SETCLIP()]] function.

	; command clause		; command clause

Tony Wyatt: Fixed typos

2014-01-28T02:59:10Z

Fixed typos

← Older revision		Revision as of 02:59, 28 January 2014
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	; assignment clause		; assignment clause
	: A variable symbol (simple, stem or compound symbol) followed by an = operator. In an assignment clause, the ~~token~~ to the right of the = sign are evaluated and the result is assigned to the variable symbol.		: A variable symbol (simple, stem or compound symbol) followed by an = operator. In an assignment clause, the tokens to the right of the = sign are evaluated and the result is assigned to the variable symbol.

	; Boolean		; Boolean
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	; clip list		; clip list
	: A clipboard used for intertask communication. ~~Names~~ and value pairs can be added to the clip list with the SETCLIP() function.		: A clipboard used for intertask communication. Name and value pairs can be added to the clip list with the SETCLIP() function.

	; command clause		; command clause
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	; global environment		; global environment
	: The fixed components of an ARexx program, including the program source code, static data strings, and argument strings.		: The fixed components of an ARexx program, including the program source code, static data strings and argument strings.

	; host address		; host address
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	: Internal flags in ARexx that allow a program to detect errors and retain control when the program would normally abort. Interrupts are controlled by the SIGNAL: instruction.		: Internal flags in ARexx that allow a program to detect errors and retain control when the program would normally abort. Interrupts are controlled by the SIGNAL: instruction.

			; iterating
	; iteration
	: Repeating a section of a program.		: Repeating a section of a program.

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	; library list		; library list
	: An internal list, maintained by ARexx, of all the currently available function libraries and function hosts. Applications can add or remove ~~function~~ as needed.		: An internal list, maintained by ARexx, of all the currently available function libraries and function hosts. Applications can add or remove functions as needed.

	; macro		; macro
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	; storage environment		; storage environment
	: The variable components of an ARexx program, including the symbol table, numeric options, trace options, and host address strings.		: The variable components of an ARexx program, including the symbol table, numeric options, trace options and host address strings.

	; string		; string

Steven Solie: Created page with "This glossary provides definitions of terms used in the ARexx manual. ; Address : An identifying number assigned to every byte of information in a computer's memory and every..."

2014-01-23T23:35:59Z

Created page with "This glossary provides definitions of terms used in the ARexx manual. ; Address : An identifying number assigned to every byte of information in a computer's memory and every..."

New page

This glossary provides definitions of terms used in the ARexx manual.

; Address
: An identifying number assigned to every byte of information in a computer's memory and every sector on a disk.

; argument
: An additional piece of information included with an instruction or function. The argument determines the action to be taken.

; assignment clause
: A variable symbol (simple, stem or compound symbol) followed by an = operator. In an assignment clause, the token to the right of the = sign are evaluated and the result is assigned to the variable symbol.

; Boolean
: Having two possible states: 0 (false) or 1 (true).

; clause
: The smallest executable language unit.

; clip list
: A clipboard used for intertask communication. Names and value pairs can be added to the clip list with the SETCLIP() function.

; command clause
: An ARexx expression in which the result is issued as a command to an external application.

; command interface
: A message port through which ARexx issues commands to compatible applications.

; comment
: A group of characters enclosed in /*...*/ symbols. Each ARexx program starts with a comment.

; compound symbol
: A token made up of alphanumeric or ., !, ?, $, _ characters with one or more periods within the name. Compound symbols have the structure stem.n1.n2...nk.

; concatenation
: The process of linking together two strings.

; debugging
: Finding and fixing errors in a program.

; delimiter
: A character that marks the beginning and end of a string. ARexx delimiters are a single quote (') and a double quote (").

; expression
: A group of tokens to be evaluated. Expressions are made up of strings, symbols, operators, and parentheses.

; fixed symbol
: A token beginning with a digit or a period.

; function
: A group of statements that can be executed as a whole. Functions allow you to build complex programs from smaller modules.

; function hosts
: An external application that contains an ARexx port. The name of a function host is the name of the program's public message port.

; function libraries
: A collection of one or more functions organized as an Amiga shared library. A function library must contain a library name, a search priority, an entry point offset, and a version number.

; global environment
: The fixed components of an ARexx program, including the program source code, static data strings, and argument strings.

; host address
: In an outside application, the host address is the name of the message port to which ARexx commands can be sent.

; instruction
: A clause beginning with a certain keyword that tells ARexx to perform an action.

; interprocess communication
: The exchange of information between applications.

; interrupts
: Internal flags in ARexx that allow a program to detect errors and retain control when the program would normally abort. Interrupts are controlled by the SIGNAL: instruction.

; iteration
: Repeating a section of a program.

; label
: A symbol token followed by a colon (:). Labels identify a particular location in the program.

; library list
: An internal list, maintained by ARexx, of all the currently available function libraries and function hosts. Applications can add or remove function as needed.

; macro
: Another name for an ARexx program.

; marker
: A token that determines the beginning and end of a parse string.

; message port
: An interface in an Amiga application that allows the program to communicate with an ARexx program.

; null clause
: A blank line or a comment line.

; numeric precision
: The number of decimal places in an arithmetic result. As the number of decimal places decreases, the result becomes less precise.

; operators
: A character such as (+), (-), or (|) used in an arithmetic, concatenation, comparison, or logical operation.

; parsing
: Breaking a string into smaller units.

; return code
: The severity level of an error. This number (5, 10, or 20) is displayed when an error occurs in an ARexx program.

; RexxMast
: The program that acts as an interpreter for ARexx programs.

; simple symbol
: A token that does not begin with a digit or contain any periods.

; statement
: An assignment, instruction, or command clause.

; stem symbol
: A token that has one period at the end of its name. Stem symbols are used to initialize compound symbols.

; storage environment
: The variable components of an ARexx program, including the symbol table, numeric options, trace options, and host address strings.

; string
: A group of characters beginning and ending with a delimiter (single or double quote). The value of a string is the string itself.

; symbol
: Any group of the alphanumeric characters a-z, A-Z, 0-9, period (.), exclamation point (!), question mark (?), dollar sign ($), or underscore (_).

; symbol table
: An internal table created by ARexx that stores the value strings that have been assigned to the variables in a program.

; target
: A symbol, usually a variable symbol, that is assigned a value during a parsing operation.

; template
: A group of tokens that specifies the variables used in a parsing operation. It also specifies the way in which the values will be determined.

; tokenization
: The process of breaking a statement into its individual tokens.

; tokens
: The smallest entities of the ARexx language.

; tracing
: Displaying the lines of an ARexx program as the program is executing. This allows you to determine exactly where any errors are occurring.

; variable
: A symbol that can be assigned a value.