COMPILER DESIGN Dr. O.G. KAKDE M. Tech (Comp. Sc) HT Bombay, Ph.D Asst . Prof, in Comp. Sc. Visvesvaraya National Institute of Technology Nagpur. Comprehensive Compiler Design by O. G. Kakde and a great selection of similar Used, New and Collectible Books available now at About the Author Dr. O.G. Kakde has been associated with Visvesvaraya National He is also a author of “Comprehensive Compiler Design”, “Algorithms for.

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Comprehensive Compiler Design

This book covers the various aspects of designing a language translator in depth. It includes some exercises for practice. User Review – Flag as inappropriate great book.

User Review – Flag as inappropriate Very good for beginners and please add day to day example Selected pages Title Page. Contents Finite Automata and Regular Expressions. ContextFree Grammar and Syntax Analysis. SyntaxDirected Definitions and Translations. Kakde No preview available – Common terms and phrases Action Table activation record added to Cnew algorithm attribute augmented grammar automata that accepts backtrack basic block bottom-up parsing called canonical collection closure compiler computed consider the following construct eliminate error evaluate example FIRST a flow graph FOLLOW 5 following grammar gencode GOTO Table grammar symbols Hence id.


Popular passages Page – Wocfw, that is sequences of consecutive statements which may be entered only at the beginning, and when entered are executed in sequence without halt or possibility of branch except at the end of the basic block.

There is a directed edge from block Page – The message should be produced in terms of the original source program rather than in terms of some internal representation of the source program. For example, the message should be produced along with the line numbers of the source program.

The error message should be easy to understand by the user. The error message should be specific and should localize the problem.

For example, an error message should read, “x is not declared hi function fun,” and not just, “missing declaration. Similarly, fixed-point multiplication or division by a power of co,prehensive is cheaper to implement as a shift. Using Machine Idioms The target machine may have hardware instructions to implement certain specific operations efficiently.

Detecting situations that permit the use of these instructions can reduce execution time significantly.

For example, some machines have auto-increment and auto-decrement Page – These names are used in the source program to identify the various program elements, like variables, constants, procedures, and the labels of statements. The symbol table is searched every time a name is encountered in the source text.

When a new name or new information about an existing name is discovered, the content of the symbol table changes. Therefore, a symbol table must have an efficient mechanism for accessing the information held in the table as well as for adding new entries to the symbol For this, we maintain what is called a “register descriptor, ” which is simply a pointer to a list that contains information about what is currently in each of the registers.


Initially, all of the registers are empty. We also need to keep track of the locations for each name — where the current value of the name can be found at run time. Page – The program considers X, the symbol on the top of the stack, and the next input symbol a. Execute the statement associated with the value found. Step 2 is an n-way branch, which can be implemented in ocmpiler of several ways.

If the number of cases is not too comprehensiv, say 10 at most, then it is reasonable to use a sequence of conditional goto’s, each of which tests for an individual value and transfers to the code for the corresponding statement.

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A more compact way to implement this sequence of conditional goto’s is to create a table of pairs, Comprehensive Compiler Design O. Finite Automata and Regular Expressions. Algorithms for Compiler Design O.