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With the resurgence of ___domain-specific languages and the need for parser generators which are easy to use, easy to understand, and easy to maintain, metacompilers are becoming a valuable tool for advanced software engineering projects.
Other examples of parser generators in the yacc vein are [[ANTLR]], [[Coco/R]],<ref name="Rechenberg-Mössenböck_1985"/> CUP,{{Citation needed|date=March 2012}} [[GNU Bison]], Eli,<ref>{{cite journal|doi=10.1145/129630.129637 |title=Eli: A complete, flexible compiler construction system |year=1992 |last1=Gray |first1=Robert W. |last2=Levi |first2=Steven P. |last3=Heuring |first3=Vincent P. |last4=Sloane |first4=Anthony M. |last5=Waite |first5=William M. |journal=Communications of the ACM |volume=35 |issue=2 |pages=121–130 |s2cid=5121773 |doi-access=free }}</ref> FSL,{{Citation needed|date=March 2012}} [[SableCC]], SID (Syntax Improving Device),<ref>{{cite journal|doi=10.1093/comjnl/11.1.31 |doi-access=free |title=A syntax improving program |year=1968 |last1=Foster |first1=J. M. |journal=The Computer Journal |volume=11 |pages=31–34 }}</ref> and [[JavaCC]]. While useful, pure parser generators only address the parsing part of the problem of building a compiler. Tools with broader scope, such as [[PQCC]], [[Coco/R]] and [[DMS Software Reengineering Toolkit]] provide considerable support for more difficult post-parsing activities such as semantic analysis, code optimization and generation.
==Schorre metalanguages==
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