Compiler Design Tutorial

LR Parser LR parsing is one type of bottom up parsing. It is used to parse the large class of grammars. In…

Global data flow analysis To efficiently optimize the code compiler collects all the information about the program and distribute this information to…

CLR (1) Parsing CLR refers to canonical lookahead. CLR parsing use the canonical collection of LR (1) items to build the CLR…

LALR (1) Parsing: LALR refers to the lookahead LR. To construct the LALR (1) parsing table, we use the canonical collection of…

Translation of Assignment Statements In the syntax directed translation, assignment statement is mainly deals with expressions. The expression can be of type…

Storage Organization When the target program executes then it runs in its own logical address space in which the value of each…

Code Generator Code generator is used to produce the target code for three-address statements. It uses registers to store the operands of…

LEX Lex is a program that generates lexical analyzer. It is used with YACC parser generator. The lexical analyzer is a program…

Triples The triples have three fields to implement the three address code. The field of triples contains the name of the operator,…

Symbol Table Symbol table is an important data structure used in a compiler. Symbol table is used to store the information about…