Lex/YACC: Difference between revisions

Revision as of 16:34, 15 February 2016

Lex and YACC are tools originally developed for the Multics operating system

YACC

YACC is a Look-Ahead LR parser generator that takes Backus–Naur Form text files and generates LALR parsers from it. Primarily used as tool for generating front end parsers for compilers or formal validation for file formats in export filters and so on, so forth.

Lex/YACC compatible tools that run under OS/2

flex 2.5.4
Berkeley Yacc 1.8 - LALR parser generator
GNU bison 2.7.91
Thinkage YAY [1]
Turbo Pascal Lex/YACC - Open source tool that uses L/Y syntax but outputs Turbo Pascal compatible code.

OS/2 text & programmers editors with Lex file and YACC BNF file support

jEdit - Java based - Lex and YACC syntax highlighting built in - Current.
NEdit - XFree86 - Autoindent, autocomplete and syntax highlighting for YACC BNF files - Open source - Discontinued.

Links & publications

The A-Z of Programming Languages: YACC An interview with Stephen C. Johnson - From Techworld.

Author

Stephen C. Johnson

@@ Line 5: / Line 5: @@
 ==Lex/YACC compatible tools that run under OS/2==
+* [http://hobbes.nmsu.edu/download/pub/os2/dev/misc/flex254-2.zip flex 2.5.4]
+* Berkeley [http://hobbes.nmsu.edu/download/pub/os2/dev/util/byacc.zip Yacc 1.8] - LALR parser generator
+* GNU [http://hobbes.nmsu.edu/download/pub/os2/dev/util/bison-2.7.91.zip bison 2.7.91]
+* Thinkage YAY [http://hobbes.nmsu.edu/download/pub/os2/dev/util/yay-1_0.zip]
 * [[Turbo Pascal Lex/YACC]] - Open source tool that uses L/Y syntax but outputs [[Turbo Pascal]] compatible code.