Finally, the Poor Law of 1601 provided a clear definition of the poor and articulated services that they were to receive. This legislation is the foundation for the current social welfare system existing today in Great Britain.The following describes the Law.inally, the Poor Law of 1601 provided a clear definition of the poor and articulated services that they were to receive. This legislation is the foundation for the current social welfare system existing today in Great Britain.
Yacc is a computer program for the Unix operating system. The name is an acronym for . Yet Another Compiler Compiler .It is a LALR parser generator, generating a parser, the part of a compiler that tries to make syntactic sense of the source code, specifically a LALR parser, based on an analytic grammar written in a notation similar to BNF.t is a LALR parser generator, generating a parser, the part of a compiler that tries to make syntactic sense of the source code, specifically a LALR parser, based on an analytic grammar written in a notation similar to BNF.
These utilities greatly simplify compiler writing. Implementation details for lex and yacc may be found in Aho [2006] . Flex and bison, clones for lex and yacc, can be obtained for free from GNU and Cygwin. Cygwin is a 32-bit Windows ports of GNU software.hese utilities greatly simplify compiler writing. Implementation details for lex and yacc may be found in Aho [2006] . Flex and bison, clones for lex and yacc, can be obtained for free from GNU and Cygwin. Cygwin is a 32-bit Windows ports of GNU software.