Concepts Of Programming Languages
Concepts Of Programming Languages
12th Edition
ISBN: 9780134997186
Author: Sebesta, Robert W.
Publisher: Pearson,
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Chapter 1, Problem 17RQ

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Compiler:

Compiler is a translator used to convert the programs in high-level language to low-level language.

  • Compiler is also a program.
    • It translates the one instruction in high-level language program into the many machine code instructions. So, the translator of assembler is one to many processes.
  • When a program is compiled, it involves six phases of compiler:
    • Lexical analyzer
    • Syntax analyzer
    • Semantic analyzer
    • Intermediate code generator
    • Code optimizer
    • Code generator

Language design depends upon the cost of variety of things.

  • The first is the cost of training the programmers in that particular language. It is normally a function of expertise level of the programmers and the writability of the language...

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How to develop a C program that receives the message sent by the provided program and displays the name and email included in the message on the screen?Here is the code of the program that sends the message for reference: typedef struct {    long tipo;    struct {        char nome[50];        char email[40];    } dados;} MsgStruct; int main() {    int msg_id, status;    msg_id = msgget(1000, 0600 | IPC_CREAT);    exit_on_error(msg_id, "Creation/Connection");    MsgStruct msg;    msg.tipo = 5;    strcpy(msg.dados.nome, "Pedro Silva");    strcpy(msg.dados.email, "pedro@sapo.pt");    status = msgsnd(msg_id, &msg, sizeof(msg.dados), 0);    exit_on_error(status, "Send");    printf("Message sent!\n");}
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Chapter 1 Solutions

Concepts Of Programming Languages

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