concrete syntax - определение. Что такое concrete syntax
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Что (кто) такое concrete syntax - определение

ORDERED, ROOTED TREE THAT REPRESENTS THE SYNTACTIC STRUCTURE OF A STRING ACCORDING TO SOME CONTEXT-FREE GRAMMAR
Terminal and nonterminal functions; Terminal function; Parse graph; Concrete syntax; Syntactic tree diagram; Concrete syntax tree; Parsing tree; Non-terminal function; Terminal and non terminal functions; Derivation tree; Phrase marker; P-marker; P marker; Concrete Syntax Tree; Constituency-based parse tree; Dependency-based parse tree; Terminal and non-terminal functions
  • Parse tree to SAAB
  • Parse tree DG
  • Parse tree PSG

concrete syntax         
<language> The concrete syntax of a language including all the features visible in the source program such as parentheses and delimiters. The concrete syntax is used when parsing the program or other input, during which it is usually converted into some kind of abstract syntax tree. Compare: abstract syntax. (1997-07-21)
concrete         
  • [[Boston City Hall]] (1968) is a [[Brutalist]] design constructed largely of precast and poured in place concrete.
  • City Court Building]] in [[Buffalo, New York]]
  • Concrete floor of a [[parking garage]] being placed
  • Circularity of Concrete: Cradle-to-Cradle design
  • Compression testing of a concrete cylinder
  • Birmingham]], [[Alabama]] in 1936
  • [[Concrete plant]] showing a [[concrete mixer]] being filled from ingredient silos
  • Pouring and smoothing out concrete at Palisades Park in Washington, DC
  • Recycled crushed concrete, to be reused as granular fill, is loaded into a semi-dump truck
  • A concrete slab being kept hydrated during water curing by submersion (ponding)
  • Cross section of a concrete railway sleeper below a rail
  • Decorative plate made of Nano concrete with High-Energy Mixing (HEM)
  • Crushed stone aggregate
  • ''[[Opus caementicium]]'' exposed in a characteristic Roman arch. In contrast to modern concrete structures, the concrete used in Roman buildings was usually covered with brick or stone.
  • first1=Lorraine}}</ref>
  • Interior of the Pantheon dome, seen from beneath. The concrete for the [[coffer]]ed dome was laid on moulds, mounted on temporary scaffolding.
  • archive-date=6 October 2014 }}</ref>
  • ''Pohjolatalo'', an office building made of concrete in the city center of [[Kouvola]] in [[Kymenlaakso]], [[Finland]]
  • Stylized cacti decorate a sound/retaining wall in [[Scottsdale, Arizona]]
  • [[Smeaton's Tower]]
  • Black basalt polished concrete floor
  • Several tons of bagged cement, about two minutes of output from a 10,000 ton per day [[cement kiln]]
  • Assembled tremie placing concrete underwater
  • The [[Tunkhannock Viaduct]] in northeastern Pennsylvania opened in 1915 and is still in regular use today
  • Concrete being poured into [[rebar]]
  • Taum Sauk]] (Missouri) pumped storage facility in late November 2009. After the original reservoir failed, the new reservoir was made of roller-compacted concrete.
COMPOSITE CONSTRUCTION MATERIAL
C20 (engineering); Concrete (material); Concrete brick; Portland concrete; Waterproof concrete; Continuous pour concrete; Concrete road; Ready mixed; Ready-mixed; Admixture (concrete); Concrete additive; Concrete mixing plant; Exposed aggregate concrete; Concreting; Concrete strength; Curing compound; Poured concrete
n.
1) to pour concrete
2) prestressed; ready-mix; reinforced concrete
3) a slab of concrete
concrete         
  • [[Boston City Hall]] (1968) is a [[Brutalist]] design constructed largely of precast and poured in place concrete.
  • City Court Building]] in [[Buffalo, New York]]
  • Concrete floor of a [[parking garage]] being placed
  • Circularity of Concrete: Cradle-to-Cradle design
  • Compression testing of a concrete cylinder
  • Birmingham]], [[Alabama]] in 1936
  • [[Concrete plant]] showing a [[concrete mixer]] being filled from ingredient silos
  • Pouring and smoothing out concrete at Palisades Park in Washington, DC
  • Recycled crushed concrete, to be reused as granular fill, is loaded into a semi-dump truck
  • A concrete slab being kept hydrated during water curing by submersion (ponding)
  • Cross section of a concrete railway sleeper below a rail
  • Decorative plate made of Nano concrete with High-Energy Mixing (HEM)
  • Crushed stone aggregate
  • ''[[Opus caementicium]]'' exposed in a characteristic Roman arch. In contrast to modern concrete structures, the concrete used in Roman buildings was usually covered with brick or stone.
  • first1=Lorraine}}</ref>
  • Interior of the Pantheon dome, seen from beneath. The concrete for the [[coffer]]ed dome was laid on moulds, mounted on temporary scaffolding.
  • archive-date=6 October 2014 }}</ref>
  • ''Pohjolatalo'', an office building made of concrete in the city center of [[Kouvola]] in [[Kymenlaakso]], [[Finland]]
  • Stylized cacti decorate a sound/retaining wall in [[Scottsdale, Arizona]]
  • [[Smeaton's Tower]]
  • Black basalt polished concrete floor
  • Several tons of bagged cement, about two minutes of output from a 10,000 ton per day [[cement kiln]]
  • Assembled tremie placing concrete underwater
  • The [[Tunkhannock Viaduct]] in northeastern Pennsylvania opened in 1915 and is still in regular use today
  • Concrete being poured into [[rebar]]
  • Taum Sauk]] (Missouri) pumped storage facility in late November 2009. After the original reservoir failed, the new reservoir was made of roller-compacted concrete.
COMPOSITE CONSTRUCTION MATERIAL
C20 (engineering); Concrete (material); Concrete brick; Portland concrete; Waterproof concrete; Continuous pour concrete; Concrete road; Ready mixed; Ready-mixed; Admixture (concrete); Concrete additive; Concrete mixing plant; Exposed aggregate concrete; Concreting; Concrete strength; Curing compound; Poured concrete
(concretes, concreting, concreted)
Frequency: The word is one of the 3000 most common words in English.
1.
Concrete is a substance used for building which is made by mixing together cement, sand, small stones, and water.
The posts have to be set in concrete...
They had lain on sleeping bags on the concrete floor.
N-UNCOUNT: oft N n
2.
When you concrete something such as a path, you cover it with concrete.
He merely cleared and concreted the floors.
VERB: V n
3.
You use concrete to indicate that something is definite and specific.
He had no concrete evidence...
I must have something to tell him. Something concrete.
ADJ: usu ADJ n
• concretely
...by way of making their point more concretely.
ADV: oft ADV with cl
4.
A concrete object is a real, physical object.
...using concrete objects to teach addition and subtraction.
ADJ: usu ADJ n
5.
A concrete noun is a noun that refers to a physical object rather than to a quality or idea.
? abstract
ADJ: ADJ n
6.
If a plan or idea is set in concrete or embedded in concrete, it is fixed and cannot be changed.
As Mr Blunkett emphasised, nothing is yet set in concrete.
PHRASE: v-link PHR

Википедия

Parse tree

A parse tree or parsing tree or derivation tree or concrete syntax tree is an ordered, rooted tree that represents the syntactic structure of a string according to some context-free grammar. The term parse tree itself is used primarily in computational linguistics; in theoretical syntax, the term syntax tree is more common.

Concrete syntax trees reflect the syntax of the input language, making them distinct from the abstract syntax trees used in computer programming. Unlike Reed-Kellogg sentence diagrams used for teaching grammar, parse trees do not use distinct symbol shapes for different types of constituents.

Parse trees are usually constructed based on either the constituency relation of constituency grammars (phrase structure grammars) or the dependency relation of dependency grammars. Parse trees may be generated for sentences in natural languages (see natural language processing), as well as during processing of computer languages, such as programming languages.

A related concept is that of phrase marker or P-marker, as used in transformational generative grammar. A phrase marker is a linguistic expression marked as to its phrase structure. This may be presented in the form of a tree, or as a bracketed expression. Phrase markers are generated by applying phrase structure rules, and themselves are subject to further transformational rules. A set of possible parse trees for a syntactically ambiguous sentence is called a "parse forest."

https://en.wikipedia.org/wiki/Parse tree
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