Compiler Design Pdf

Introduction To Compiler Construction Pdf
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This document is a companion to the textbook Modern Compiler Design by David Galles. The textbook covers compiler design theory, as well as implementation details for writing a compiler using JavaCC and Java. This document contains all of the implementation details for writing a compiler using C, Lex, and Yacc.
These books contains compiler design in pdf format.Files contains:1. Compilers Principles, Techniques, and Tools, by A. Aho, Monica S.
GATE Previous Years Questions: Set – 1, Set – 2 Quiz on Compiler Design ‘Practice Problems’ on Compiler! Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.
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Compiler Design Textbook A.A.Puntambekar Pdf Free Download for Jntu Books

Name of the Book: Compiler Design Textbook by A.A.Puntambekar

COMPILER DESIGN Questions:-1. What is a compiler? A compiler is a program that reads a program written in one language –the source language and translates it into an equivalent program in another language-the target language.

Author(s) Name:A.A. Puntambekar

Name of the Publisher:Technical Publications

Book Format: PDF

Book Language: English

Compiler Design Textbook A.A.Puntambekar Pdf Free Download. This textbook is useful for Computer Science Engineering (CSE) students belongs to Jntu, JntuA, JntuK, JntuH and other top Universities. This Textbook will also useful to students who were prepared for competitive exams.

Table of Contents of Compiler Design Textbook

Overview of Compilation: Phases of compilation – Lexical analysis, Regular grammar and regular expression for common programming language features, Pass and phases of translation, Interpretation, Bootstrapping, Data structures in compilation – LEX lexical analyzer generator.

Top Down Parsing:Context free grammars, Top down parsing, Backtracking, LL (1), Recursive descent parsing, Predictive parsing, Preprocessing steps required for predictive parsing.

Bottom up Parsing: Shift reduce parsing, LR and LALR parsing, Error recovery in parsing, Handling ambiguous grammar, YACC – automatic parser generator.

Semantic Analysis: Intermediate forms of source programs – abstract syntax tree, Polish notation and three address codes. Attributed grammars, Syntax directed translation, Conversion of popular programming languages language constructs into intermediate code forms, Type checker.

Symbol Tables: Symbol table format, Organization for block structures languages, Hashing, Tree structures representation of scope information. Block structures and non block structure

storage allocation: Static, Runtime stack and heap storage allocation, Storage allocation for arrays, strings and records.

Code Optimization: Consideration for optimization, Scope of optimization, Local optimization, Loop optimization, Frequency reduction, Folding, DAG representation.

Data Flow Analysis: Flow graph, Data flow equation, Global optimization, Redundant subexpression elimination, Induction variable elements, Live variable analysis, Copy propagation.

Object Code Generation: Object code forms, Machine dependent code optimization, Register allocation and assignment generic code generation algorithms, DAG for register allocation.

Check the above links for Compiler Design Textbook by A.A. Puntambekar for Jntu Students.

Compiler is a software which converts a program written in high level language (Source Language) to low level language (Object/Target/Machine Language).

Cross Compiler that runs on a machine ‘A’ and produces a code for another machine ‘B’. It is capable of creating code for a platform other than the one on which the compiler is running.
Source-to-source Compiler or transcompiler or transpiler is a compiler that translates source code written in one programming language into source code of another programming language.

Introduction To Compiler Construction Pdf

Language processing systems (using Compiler) –
We know a computer is a logical assembly of Software and Hardware. The hardware knows a language, that is hard for us to grasp, consequently we tend to write programs in high-level language, that is much less complicated for us to comprehend and maintain in thoughts. Now these programs go through a series of transformation so that they can readily be used machines. This is where language procedure systems come handy.

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High Level Language – If a program contains #define or #include directives such as #include or #define it is called HLL. They are closer to humans but far from machines. These (#) tags are called pre-processor directives. They direct the pre-processor about what to do.
Pre-Processor – The pre-processor removes all the #include directives by including the files called file inclusion and all the #define directives using macro expansion. It performs file inclusion, augmentation, macro-processing etc.
Assembly Language – Its neither in binary form nor high level. It is an intermediate state that is a combination of machine instructions and some other useful data needed for execution.
Assembler – For every platform (Hardware + OS) we will have a assembler. They are not universal since for each platform we have one. The output of assembler is called object file. Its translates assembly language to machine code.
Interpreter – An interpreter converts high level language into low level machine language, just like a compiler. But they are different in the way they read the input. The Compiler in one go reads the inputs, does the processing and executes the source code whereas the interpreter does the same line by line. Compiler scans the entire program and translates it as a whole into machine code whereas an interpreter translates the program one statement at a time. Interpreted programs are usually slower with respect to compiled ones.
Relocatable Machine Code – It can be loaded at any point and can be run. The address within the program will be in such a way that it will cooperate for the program movement.
Loader/Linker – It converts the relocatable code into absolute code and tries to run the program resulting in a running program or an error message (or sometimes both can happen). Linker loads a variety of object files into a single file to make it executable. Then loader loads it in memory and executes it.

Phases of a Compiler –
There are two major phases of compilation, which in turn have many parts. Each of them take input from the output of the previous level and work in a coordinated way.

Analysis Phase – An intermediate representation is created from the give source code :

Lexical Analyzer
Syntax Analyzer
Semantic Analyzer
Intermediate Code Generator

Lexical analyzer divides the program into “tokens”, Syntax analyzer recognizes “sentences” in the program using syntax of language and Semantic analyzer checks static semantics of each construct. Intermediate Code Generator generates “abstract” code.
Synthesis Phase –Winamp. Equivalent target program is created from the intermediate representation. It has two parts :

Compiler Design Ppt

Code Optimizer
Code Generator

Code Optimizer optimizes the abstract code, and final Code Generator translates abstract intermediate code into specific machine instructions.