Parser Parser is a compiler that is used to break the data into smaller elements coming from lexical analysis phase. A parser…
Tag:
Formal Grammar
-
-
Machine-Independent Optimization Machine independent optimization attempts to improve the intermediate code to get a better target code. The part of the code…
-
Automatic Parser Generator YACC is an automatic tool that generates the parser program. As we have discussed YACC in the first unit…
-
Declarations When we encounter declarations, we need to lay out storage for the declared variables. For every local name in a procedure,…
-
Quadruples The quadruples have four fields to implement the three address code. The field of quadruples contains the name of the operator,…
-
Postfix Notation Postfix notation is the useful form of intermediate code if the given language is expressions. Postfix notation is also called…
-
Basic Block Basic block contains a sequence of statement. The flow of control enters at the beginning of the statement and leave…
-
Derivation Derivation is a sequence of production rules. It is used to get the input string through these production rules. During parsing…
-
Regular expression Regular expression is a sequence of pattern that defines a string. It is used to denote regular languages. It is…
-
Postfix Translation In a production A → α, the translation rule of A.CODE consists of the concatenation of the CODE translations of…