utilities.c

#include <stdio.h>
#include <stdlib.h>
#include "headers/executor.h"
#include "headers/variables.h"
#include "headers/loader.h"

void printError(char *errorText);

int countFileChars(char *fileName) {
    int lenght = 0;
    FILE *inputFile = fopen(fileName, "r");
    if (!inputFile) {
        printError("Unable to read the program file.");
    }
    int ch = fgetc(inputFile);
    while (ch != EOF) {
        ++lenght;
        ch = fgetc(inputFile);
    }
    fclose(inputFile);
    return lenght;
}

void printError(char *errorText) {
    printf("Error!\n");
    printf(errorText);
    exit(1);
}

void writeResult(char *fileName, struct Program *program) {
    FILE *inFile, *outFile;
    inFile = fopen(fileName, "r");
    outFile = fopen(program->fileNameResult, "w");
    if (!inFile) {
        printError("Unable to open file with out variables.");
    }
    if (!outFile) {
        printError("Unable to open file with results.");
    }
    char name[SIZE_LEXEM];
    char *t = name;
    do {
        *t = (char) fgetc(inFile);
        while (*t != '\n' && !feof(inFile)) {
            t++;
            *t = (char) fgetc(inFile);
        }
        *t='\0';
        struct Variable *currVariable = findVariable(name, program);
        if (currVariable == NULL) {
            printError("Variable not init");
        }
        fprintf(outFile, "%s = %d\n", currVariable->name, currVariable->value);
        t = name;
    } while (!feof(inFile));
    fclose(inFile);
    fclose(outFile);

}

int lenght(char *name) {
    int counter = 0;
    char *temp = name;
    for (; *temp; temp++) {
        counter++;
    }
    return counter;
}