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[ Zdroj: flex  ]

Balík: flex (2.5.35-6)

A fast lexical analyzer generator.

Flex is a tool for generating scanners: programs which recognized lexical patterns in text. It reads the given input files for a description of a scanner to generate. The description is in the form of pairs of regular expressions and C code, called rules. Flex generates as output a C source file, lex.yy.c, which defines a routine yylex(). This file is compiled and linked with the -lfl library to produce an executable. When the executable is run, it analyzes its input for occurrences of the regular expressions. Whenever it finds one, it executes the corresponding C code.

The behaviour of Flex has undergone a major change since version 2.5.4a. Flex scanners are now reentrant, and it is now possible to have multiple scanners in the same program with differing sets of defaults, and the scanners play nicer with modern C and C++ compilers. The Flip side is that Flex no longer conforms to the POSIX lex behaviour, and the scanners require conforming implementations when flex is used in ANSI C mode. The package flex-old provides the older behaviour.

Značky: Software Development: Code Generation, Implemented in: C, User Interface: Command Line, Role: Program, Scope: Utility, Works with: Source Code

Ostatné balíky súvisiace s balíkom flex

  • závisí
  • odporúča
  • navrhuje
  • dep: libc6 (>= 2.7-1) [nie alpha, ia64]
    knižnica GNU C - zdieľané knižnice
    tiež virtuálny balík poskytovaný balíkom libc6-udeb
  • dep: libc6.1 (>= 2.7-1) [alpha, ia64]
    knižnica GNU C - zdieľané knižnice
    tiež virtuálny balík poskytovaný balíkom libc6.1-udeb
  • dep: m4
    Jazyk na spracovanie makier
  • sug: bison
    A parser generator that is compatible with YACC

Stiahnuť flex

Stiahnuť pre všetky dostupné architektúry
Architektúra Veľkosť balíka Nainštalovaná veľkosť Súbory
alpha 320.6 kB1032 kB [zoznam súborov]
amd64 320.8 kB1004 kB [zoznam súborov]
arm 316.6 kB785 kB [zoznam súborov]
armel 313.4 kB984 kB [zoznam súborov]
hppa 318.8 kB988 kB [zoznam súborov]
i386 306.7 kB776 kB [zoznam súborov]
ia64 352.6 kB1244 kB [zoznam súborov]
mips 321.5 kB1036 kB [zoznam súborov]
mipsel 320.9 kB1036 kB [zoznam súborov]
powerpc 318.9 kB1000 kB [zoznam súborov]
s390 318.6 kB996 kB [zoznam súborov]
sparc 314.5 kB992 kB [zoznam súborov]