macro

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macro

[′mak·rō]
(computer science)

MACRO

(1)
Assembly language for VAX/VMS.

MACRO

(2)
PL/I-like language with extensions for string processing. "MACRO: A Programming Language", S.R. Greenwood, SIGPLAN Notices 14(9):80-91 (Sep 1979).

macro

(3)
A name (possibly followed by a formal argument list) that is equated to a text or symbolic expression to which it is to be expanded (possibly with the substitution of actual arguments) by a macro expander.

The term "macro" originated in early assemblers, which encouraged the use of macros as a structuring and information-hiding device. During the early 1970s, macro assemblers became ubiquitous, and sometimes quite as powerful and expensive as HLLs, only to fall from favour as improving compiler technology marginalised assembly language programming (see languages of choice). Nowadays the term is most often used in connection with the C preprocessor, Lisp, or one of several special-purpose languages built around a macro-expansion facility (such as TeX or Unix's troff suite).

Indeed, the meaning has drifted enough that the collective "macros" is now sometimes used for code in any special-purpose application control language (whether or not the language is actually translated by text expansion), and for macro-like entities such as the "keyboard macros" supported in some text editors (and PC TSRs or Macintosh INIT/CDEV keyboard enhancers).

macro

(1) A shortcut method for invoking a sequence of user interface functions. Macros let users turn widely used sequences of menu selections and keystrokes into one command or key combination. For example, pressing the F2 key might cause several menu options to be selected and several dialog box OK buttons to be clicked in a prescribed sequence. Macros can be created automatically by recording the keyboard and mouse actions (see macro recorder).

Macros are also used on home theater remote controls to switch sources. For example, when switching from cable TV to a DVD player, the macro causes the A/V receiver to switch audio source and the TV to switch video source (see IR remote control and RF remote control).

(2) A special-purpose command language within an application. See macro language.

(3) A camera close-up mode. See macro setting.

(4) In assembly language, a prewritten subroutine that is called for throughout the program. At assembly time, the macro calls are substituted with the actual subroutine or instructions that branch to it. The high-level language equivalent is a function.

(5) Methods for determining wiring patterns on a chip (see hard macro and soft macro).
References in periodicals archive ?
Macri recalled that the incident occurred on December 6 in the Buenos Aires neighborhood of La Boca, the American tourist victim of a robbery was attacked by criminals and received 10 stab wounds.
Currently, Dr Macri is a member of the board of directors of three veteran-centric non-profit organisations and the Steering Committee for the Asian American Health Initiative in Montgomery County, an attending physician for two free clinics in Maryland as well as a certified master trainer in the Chronic Disease Self-Management (CDSMP), Diabetes (DSMP) and Chronic Pain Self-Management (CPSMP) Programmes.
I came to this great city with the sole objective of promoting investments and of showing important businessmen that Argentina today is the best opportunity in the world for doing business," Macri told Argentine journalists gathered in the lobby of a Manhattan hotel.
Macri added that the three countries participating together gave "more power" to the bid.
Hay mucha decepcion en gente que esperaba que el gobierno de Macri tuviera una mirada original, mas moderna en cuanto a cambios estructurales que la sociedad argentina necesita", explica De Angelis.
Macri was scheduled to meet with President Trump at the White House in late April, following a February phone call in which the two discussed the plight of Venezuela.
No obstante, este interes no fue constante durante el ano: las notas sobre el gobierno del presidente Mauricio Macri y las denuncias por casos de corrupcion tuvieron una posicion dominante entre las mas leidas durante el primer semestre, mientras que en la segunda parte del ano dicha posicion fue ocupada por noticias sobre los logros deportivos del tenista Juan Martin Del Potro y otros medallistas olimpicos.
Pero ya le aparecio una espina critica en el zapato, ella salio de la horda, que es la mescolanza de la Alianza Cambiemos; se trata de una promotora--y aliada--desde que Mauricio Macri lanzo su candidatura presidencial al ruedo: la diputada nacional Elisa Carrio, quien fue muy dura--aunque precisa--cuando a finales de marzo senalo: "No comparto ajustes brutales de agua, gas, transporte en medio de tan alta inflacion.
Macri won the presidency last year by promising to open Argentina's economy to foreign investment.
Speaking on the sidelines of the Argentina Business & Investment Forum hosted by the country's new market-friendly president Mauricio Macri, Kaeser said Siemens would provide 3.
Argentine real GDP growth will begin to accelerate starting in H216 following a sharp contraction in the first half of the year, as the economy benefits from the economic reforms pushed through by President Mauricio Macri.