Yacc source program has 3 parts. Which of the following are Yacc source program parts?
YACC:-
Yacc("Yet another compiler compiler") is the standard parser generator for the UNIX operating system. An open source program, yacc generates code for the parser in the C programming language. The acronym is usually rendered in lowercase but is occasionally seen as Yacc.
YACC source program has 3 parts:-
Declaration:-
The declarations section is used to declare and describe constructs that are needed by the parsing mechanism and the actions associated with rules in the rules section.
Translation rules:-
A YACC program is a translation scheme. Thus, a YACC parser evaluates the actions by a depth-first traversal of the parse tree.
C programs:-
Yacc provides a general tool for describing the input to a computer program. The Yacc user specifies the structures of his input, together with code to be invoked as each such structure is recognized.