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A compiler-compiler or parser generator is a utility for generating the source code of a parser, interpreter or compiler from an annotated language description in the form of a grammar (usually in BNF) plus code that is associated with each of the rules of the grammar that should be executed when these rules are applied by the parser. These pieces of code are sometimes referred to as semantic action routines since they define the semantics of the syntactic structure that is analysed by the parser. Depending upon the type of parser that should be generated, these routines may construct a parse tree (or AST), or generate executable code directly.The first Compiler Compiler to use that name was written by Tony Brooker in 1960 and was used to create compilers for the Ferranti Atlas computer at the University of Manchester, including the Atlas Autocode compiler. However it was rather different from modern compiler compilers, and today would probably be described as lying somewhere between a highly customisable generic compiler and an extensible-syntax language. The name 'compiler compiler' was far more appropriate for Brooker's system than it is for most modern compiler compilers, which are more accurately described as mere parser generators. It is almost certain that the Compiler Compiler name has entered common use due to Yacc rather than Brooker's work being remembered.
Other examples of parser generators in the yacc vein are Coco/R, GNU bison, Eli, FSL , META 5 , MUG2 , Parsley , Pre-cc , SableCC, JavaCCJavaCC (Java Compiler Compiler) is a parser generator for the Java programming language. JavaCC is similar to Yacc in that it generates a parser for a grammar provided in BNF notation, except the output is Java source code. In 1996, Sun Microsystems relea and MixedCCMixedCC Mixed Compiler Compiler is generic parsing engine and parser generator. It is capable of parsing and handling inner layer stacks in multi-layer templates (like JSP/ PHP). It is open source in Java. Mixed has nothing to do with number of languages.
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Brooker Autocodes
