• 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) - 20:06, 19 June 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
  • 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
  • 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
  • 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 (1,852 words) - 05:51, 25 May 2025
  • 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
  • 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
  • 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) - 22:37, 23 May 2025
  • 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
  • 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
  • <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) - 03:44, 5 June 2025
  • Thumbnail for LL grammar
    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
  • John; Spiewak, Daniel (2010-09-17). "Tool Paper: ScalaBison Recursive Ascent-Descent Parser Generator". Electronic Notes in Theoretical Computer Science...
    50 KB (1,133 words) - 03:56, 22 May 2025
  • 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
  • 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 Pratt parser Recursive descent parser: a top-down parser suitable for LL(k) grammars Shunting-yard...
    37 KB (4,880 words) - 03:36, 30 May 2025
  • 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
  • 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) - 18:17, 25 May 2025
  • Thumbnail for History of compiler construction
    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...
    53 KB (6,447 words) - 13:54, 6 June 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
  • Thumbnail for GNU Compiler Collection
    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 (4,867 words) - 15:51, 19 June 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
  • Thumbnail for Hamilton C shell
    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
  • Thumbnail for XML
    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 (7,246 words) - 22:46, 19 June 2025
  • 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) - 11:15, 14 June 2025
  • Thumbnail for Regular expression
    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 (8,871 words) - 12:07, 26 May 2025
  • 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
  • Recovery-oriented computing – Recursive descent parser – Recursion (computer science) – Recursive set – Recursively enumerable language – Recursively enumerable set...
    17 KB (1,384 words) - 14:26, 28 February 2025
  • supporting some context-free grammars and parsing expression grammars Pratt parser Recursive descent parser: a top-down parser suitable for LL(k) grammars Shunting-yard...
    72 KB (7,951 words) - 17:13, 5 June 2025