'Symbol table' diaporamas de présentation

Pengantar Teknik Kompiler

Pengantar Teknik Kompiler.

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Assemblers, Linkers, and Loaders

Assemblers, Linkers, and Loaders. Kevin Walsh CS 3410, Spring 2011 Computer Science Cornell University. See: P&H Appendix B.3-4. cs3410 Recap/Quiz. C. int x = 10; x = 2 * x + 15;. compiler. MIPS assembly. addi r5, r0, 10 muli r5, r5, 2 addi r5, r5, 15. assembler.

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Assemblers, Linkers, and Loaders

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Assembly and Bomb Lab

Assembly and Bomb Lab. 15-213: Introduction to Computer Systems Recitation 4: Monday, Sept. 16, 2013 Marjorie Carlson Section A. Agenda. Overview of Bomb Lab Assembly Refresher Intro to GDB Unix Refresher Bomb Lab Demo. Bomb Lab.

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Assembly and Bomb Lab

Assembly and Bomb Lab. 15-213: Introduction to Computer Systems Recitation 4: Monday, Sept. 16, 2013 Marjorie Carlson Section A. Agenda. Overview of Bomb Lab Assembly Refresher Intro to GDB Unix Refresher Bomb Lab Demo. Bomb Lab.

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unstrip : Restoring Function Information to Stripped Binaries Using Dyninst

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LL Compiler

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YACC Example

YACC Example. Taken from LEX & YACC Simple calculator a = 4 + 6 a a=10 b = 7 c = a + b c c = 17 pressure = (78 + 34) * 16.4 $. Grammar. expression ::= expression '+' term | expression '-' term | term term ::= term '*' factor |

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More yacc

More yacc. What is yacc. Tool to produce a parser given a grammar YACC (Yet Another Compiler Compiler) is a program designed to compile a LALR(1) grammar and to produce the source code of the syntactic analyzer of the language produced by this grammar

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Design of lexical analyzer using LEX

Design of lexical analyzer using LEX. Lex helps to specify lexical analyzers by specifying regular expression i /p notation for lex tool is lex language and the tool itself is refered to as lex compiler

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Edit, Assemble, Link & Debug

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Emit Calls Used in PL0

Emit Calls Used in PL0. System Software Spring 2013. Project Overview. Compiler Front End Scanner (assignment 2): Reads the source code written by users and creates tokens. The scanner should find syntax errors in the code. Compiler Mid Section

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Review: Compiler Phases:

Review: Compiler Phases:. Source program. Front End. Lexical analyzer. Syntax analyzer. Symbol table manager. Error handler. Semantic analyzer. Intermediate code generator. Code optimizer. Backend. Code generator. Chapter 3: Lexical Analysis.

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Symbol table handling in ScriptBasic

Symbol table handling in ScriptBasic. The Module sym. Who is this presentation for What is this module Data structures the module uses Services of the module How symbol/value pairs are stored Where is it used in ScriptBasic. Contents. Who this presentation is for.

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Memory Layout for Process

Memory Layout for Process. ?. Stack. Data. Code. 0. ?. Stack. Data. Code. 0. x.c. y.c. cc. cc. y.s. x.s. as. as. y.o. x.o. 101010101010101010101010101010101010101010101010. z.c. cc. z.s. as. z.o. 101010101010101010101010101010101010101010101010.

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Syntax Directed Translation

Syntax Directed Translation. Syntax directed translation. Yacc can do a simple kind of syntax directed translation from an input sentence to C code We can also think of it as compilation Each node in a parse tree produces a value That value depends on the type of the node

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Syntax Directed Translation

Syntax Directed Translation. Syntax directed translation. Yacc can do a simple kind of syntax directed translation from an input sentence to C code We can also think of it as comilation Each node in a parse tree produces a value That value depends on the type of the node

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Lexical Analyzer

Lexical Analyzer. The main task of the lexical analyzer is to read the input source program, scanning the characters, and produce a sequence of tokens that the parser can use for syntactic analysis. The interface may be to be called by the parser to produce one token at a time

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Gradual Implementation of Symbol Table

Gradual Implementation of Symbol Table. CSE310: Compiler Sessional Dr. S. M. Farhad CSE, BUET. Symbol Table. The symbol table stores information about the entire source program It is used by all phases of a compiler. Symbol Table Implementations.

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