Syntax directed Translation

Ambiguity A grammar is said to be ambiguous if there exists more than one leftmost derivation or more than one rightmost derivative…

Compiler Design Tutorial Compiler Design Tutorial provides basic and advanced concepts of Compiler. Our Compiler Tutorial is designed for beginners and professionals…

Parse tree Parse tree is the graphical representation of symbol. The symbol can be terminal or non-terminal. In parsing, the string is…

Loop Optimization Loop optimization is most valuable machine-independent optimization because program’s inner loop takes bulk to time of a programmer. If we…

Array references in arithmetic expressions Elements of arrays can be accessed quickly if the elements are stored in a block of consecutive…

Data structure for symbol table A compiler contains two type of symbol table: global symbol table and scope symbol table. Global symbol…

Parser Parser is a compiler that is used to break the data into smaller elements coming from lexical analysis phase. A parser…

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,…