Forth - meaning and definition. What is Forth
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What (who) is Forth - definition

PROGRAMMING LANGUAGE
FORTH; Forth virtual machine; Forth language; Reverse Polish (programming language); ANS Forth; Forth programming language; MacFORTH; FIG-Forth; Forth-II; ISO/IEC 15145; Forth Interest Group
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Forth         
·prep Forth from; out of.
II. Forth ·noun A way; a passage or ford.
III. Forth ·adv Throughly; from beginning to end.
IV. Forth ·adv Beyond a (certain) boundary; away; abroad; out.
V. Forth ·adv Forward; onward in time, place, or order; in advance from a given point; on to end; as, from that day forth; one, two, three, and so forth.
VI. Forth ·adv Out, as from a state of concealment, retirement, confinement, nondevelopment, or the like; out into notice or view; as, the plants in spring put forth leaves.
forth         
Frequency: The word is one of the 3000 most common words in English.
Note: In addition to the uses shown below, 'forth' is also used in the phrasal verbs 'put forth' and 'set forth'.
1.
When someone goes forth from a place, they leave it. (LITERARY)
Go forth into the desert...
= out
ADV: ADV after v
2.
If one thing brings forth another, the first thing produces the second. (LITERARY)
My reflections brought forth no conclusion.
ADV: ADV after v
3.
When someone or something is brought forth, they are brought to a place or moved into a position where people can see them. (LITERARY)
Pilate ordered Jesus to be brought forth...
= out
ADV: ADV after v
4.
back and forth: see back
to hold forth: see hold
forth         
¦ adverb formal or literary
1. out and away from a starting point.
so as to be revealed.
2. onwards in time.
Phrases
and so forth and so on.
Origin
OE, of Gmc origin; related to fore-.

Wikipedia

Forth (programming language)

Forth is a procedural, stack-oriented programming language and interactive environment designed by Charles H. "Chuck" Moore and first used by other programmers in 1970. Although not an acronym, the language's name in its early years was often spelled in all capital letters as FORTH. The FORTH-79 and FORTH-83 implementations, which were not written by Moore, became de facto standards, and an official standardization of the language was published in 1994 as ANS Forth. A wide range of Forth derivatives existed before and after ANS Forth. The free software Gforth implementation is actively maintained, as are several commercially supported systems.

Forth typically combines a compiler with an integrated command shell, where the user interacts via subroutines called words. Words can be defined, tested, redefined, and debugged without recompiling or restarting the whole program. All syntactic elements, including variables, operators, and control flow, are defined as words. A stack is used to pass parameters between words, leading to a Reverse Polish Notation style.

For much of Forth's existence, the standard technique was to compile to threaded code, which can be interpreted faster than bytecode. One of the early benefits of Forth was size: an entire development environment—including compiler, editor, and user programs—could fit in memory on an 8-bit or similarly limited system. No longer constrained by space, there are modern implementations that generate optimized machine code like other language compilers. The relative simplicity of creating a basic Forth system has led to many personal and proprietary variants, such as the custom Forth used to implement the bestselling 1986 video game Starflight from Electronic Arts.

Forth is used in the Open Firmware boot loader, in space applications such as the Philae spacecraft, and in other embedded systems which involve interaction with hardware.

Moore later developed a series of microprocessors for executing compiled Forth-like code directly and experimented with smaller languages based on Forth concepts, including cmForth and colorForth. Most of these languages were designed to support Moore's own projects, such as chip design.

Examples of use of Forth
1. Back and forth, back and forth, we look through the screen to the old cedar tree and the yard next door.
2. "There is a group of people inside the White House who are bringing forth who will bring forth nominees," he said.
3. The music seems to have called forth the neighborhood.
4. Today President Hu and President Bush talk back and forth.
5. "During our meeting, we will not put forth any demands.