computer science, a recursive descent parser is a kind of top-down parser built from a set of mutually recursive procedures (or a non-recursive equivalent) where...
10 KB (1,109 words) - 12:39, 25 October 2024
in practice, e.g. by a recursive descent parser. Unlike CFGs, PEGs cannot be ambiguous; a string has exactly one valid parse tree or none. It is conjectured...
47 KB (6,505 words) - 18:00, 1 February 2025
parser combinator is a higher-order function that accepts several parsers as input and returns a new parser as its output. In this context, a parser is...
13 KB (1,678 words) - 10:15, 11 January 2025
The Packrat parser is a type of parser that shares similarities with the recursive descent parser in its construction. However, it differs because it...
32 KB (1,858 words) - 01:45, 1 April 2025
operator-precedence parser is a bottom-up parser that interprets an operator-precedence grammar. For example, most calculators use operator-precedence parsers to convert...
16 KB (1,839 words) - 15:28, 5 March 2025
recursive ascent parsing is a technique for implementing an LR parser which uses mutually-recursive functions rather than tables. Thus, the parser is...
15 KB (2,004 words) - 23:04, 22 December 2024
shift-reduce parser, and does bottom-up parsing. A formal grammar that contains left recursion cannot be parsed by a naive recursive descent parser unless they...
11 KB (1,368 words) - 14:32, 2 August 2024
John; Spiewak, Daniel (2010-09-17). "Tool Paper: ScalaBison Recursive Ascent-Descent Parser Generator". Electronic Notes in Theoretical Computer Science...
49 KB (1,110 words) - 11:13, 25 April 2025
Memoization (redirect from Memoizing parsers)
backtracking recursive descent parser to solve the problem of exponential time complexity. The basic idea in Norvig's approach is that when a parser is applied...
30 KB (3,741 words) - 09:02, 17 January 2025
is about the formal properties of LL grammars; for parsing, see LL parser or recursive descent parser. Given a natural number k ≥ 0 {\displaystyle k\geq...
14 KB (1,997 words) - 10:49, 7 December 2023
computer science, an LL parser (left-to-right, leftmost derivation) is a top-down parser for a restricted context-free language. It parses the input from Left...
31 KB (4,481 words) - 05:46, 7 April 2025
<identifier> A simple tail recursive parser can be written much like a recursive descent parser. The typical algorithm for parsing a grammar like this using...
3 KB (369 words) - 11:54, 25 July 2020
Mutual recursion (redirect from Mutually recursive)
and in some problem domains, such as recursive descent parsers, where the datatypes are naturally mutually recursive. The most important basic example of...
15 KB (2,013 words) - 19:17, 16 March 2024
formal representation of a recursive descent parser, in which each of the nonterminals schematically represents a parsing function. Each of these nonterminal-functions...
7 KB (922 words) - 22:56, 20 February 2024
The Spirit Parser Framework is an object oriented recursive descent parser generator framework implemented using template metaprogramming techniques....
4 KB (314 words) - 21:41, 22 March 2025
parser loop in table-driven parsers. The fastest parsers use generated assembler code. In the recursive ascent parser variation, the explicit parse stack...
62 KB (8,130 words) - 20:10, 28 April 2025
supporting some context-free grammars and parsing expression grammars Recursive descent parser: a top-down parser suitable for LL(k) grammars Shunting-yard...
37 KB (4,881 words) - 11:56, 14 February 2025
Hamilton C shell (section Parser)
command it could handle. By contrast, Hamilton uses a top-down recursive descent parser that allows it to compile statements to an internal form before...
9 KB (691 words) - 22:15, 30 March 2025
History of compiler construction (category Parsing algorithms)
code. A recursive ascent parser implements an LALR parser using mutually-recursive functions rather than tables. Thus, the parser is directly encoded in...
52 KB (6,372 words) - 07:59, 21 November 2024
Left recursion (category Parsing)
{Expression}}+{\mathit {Term}}} is directly left-recursive. A left-to-right recursive descent parser for this rule might look like void Expression() {...
13 KB (2,312 words) - 22:27, 28 November 2024
XML (redirect from XML parser)
Pull parsing treats the document as a series of items read in sequence using the iterator design pattern. This allows for writing of recursive descent parsers...
59 KB (7,244 words) - 02:06, 21 April 2025
"(" expression ")"; It is rather easy for students to write a recursive descent parser for such a simple syntax. Therefore, the PL/0 compiler is still...
11 KB (1,306 words) - 17:59, 13 August 2024
S/SL programming language (category Parser generators)
(S/SL) is an executable high level specification language for recursive descent parsers, semantic analyzers and code generators developed by James Cordy...
3 KB (430 words) - 01:46, 9 November 2023
defined by a context-free grammar amenable to being processed by recursive descent parser as described in seminal books on compiler design. A set of Charm...
11 KB (1,259 words) - 05:49, 6 April 2025
GCC started out using LALR parsers generated with Bison, but gradually switched to hand-written recursive-descent parsers for C++ in 2004, and for C and...
55 KB (4,863 words) - 18:27, 25 April 2025
of Perl 5.x regexes, but also allow BNF-style definition of a recursive descent parser via sub-rules. The use of regexes in structured information standards...
97 KB (8,860 words) - 20:26, 3 May 2025
GNU Bison (redirect from Bison parser generator)
grammars. GCC started out using Bison, but switched to a hand-written recursive-descent parser for C++ in 2004 (version 3.4), and for C and Objective-C in 2006...
22 KB (2,306 words) - 09:09, 3 January 2025
shift-reduce parser scans and parses the input text in one forward pass over the text, without backing up. The parser builds up the parse tree incrementally...
20 KB (2,667 words) - 20:45, 28 April 2025
detection program, for analysing genetic recombination Recursive descent parser, a type of top-down parser Remote Desktop Protocol, a Microsoft remote access...
1 KB (164 words) - 12:12, 1 November 2024
Shunting yard algorithm (category Parsing algorithms)
π ) Operator-precedence parser Stack-sortable permutation Theodore Norvell (1999). "Parsing Expressions by Recursive Descent". www.engr.mun.ca. Retrieved...
13 KB (1,054 words) - 15:19, 22 February 2025