// Check table
void tablecheck(char *inFile) {
FILE *tableFile = fopen(inFile, "rb");
static int const lineCount = 14;
// Initialize counters
int i;
char *lineBuffer = malloc(200 * sizeof (char));
if (tableFile == NULL) {
printError(1);
}
for (i = 0; i < lineCount; i++) {
fgets(lineBuffer, 200, tableFile);
if (fDebug == 1) {
debug(1, lineBuffer);
}
if (strncmp(lineBuffer, "IP=", 3) == 0) {
verifyLine(lineBuffer, 1);
}
else if (strncmp(lineBuffer, "E=", 2) == 0) {
verifyLine(lineBuffer, 2);
}
else if (strncmp(lineBuffer, "P=", 2) == 0) {
verifyLine(lineBuffer, 3);
}
else if (strncmp(lineBuffer, "S1=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S2=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S3=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S4=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S5=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S6=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S7=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "S8=", 3) == 0) {
verifyLine(lineBuffer, 4);
}
else if (strncmp(lineBuffer, "V=",2) == 0) {
verifyLine(lineBuffer, 12);
}
else if (strncmp(lineBuffer, "PC1=", 4) == 0) {
verifyLine(lineBuffer, 13);
}
else if (strncmp(lineBuffer, "PC2=", 4) == 0) {
verifyLine(lineBuffer, 14);
}
else {
printError(2);
}
free(lineBuffer);
}
fclose(tableFile);
}
//Does the assembly code verification, counting the instructions and data number.
int checksAssembly()
{
FILE *file = NULL;
char *line;
char aux[300];
//Number of lines
int lineNumber = 1;
//Counts the program lines(only instructions, directives and labels)
int lineCount = 0;
//Tells which part of the reader program is
int module = 0, end = 0, pseg = 0, dseg = 0;
//Save the directive code
int directiveCode = -2;
int instructionState = 0;
file = fopen(urlInputFile, "r");
while(fgets(aux, sizeof(aux), file)!= NULL)
{
//Verifies the line
line = verifyLine(aux);
//If is anything
if(line!=NULL)
{
//Reads the directive code
directiveCode = getDirective(line);
//Asserts that the first instructions are the .module
if(lineCount == 0 && directiveCode != 0){
informError(1, lineNumber);
fclose(file);
return 1;
}
//If is .module
if(directiveCode == 0){
module = 1;
end = 0;
}
//If is .pseg
else if(directiveCode == 1){
pseg = 1;
dseg = 0;
}
//If is .dseg
else if(directiveCode == 2){
if(pseg == 0){
informError(6, lineNumber);
fclose(file);
return 1;
}
pseg = 0;
dseg = 1;
}
//If is .end
else if(directiveCode == 4){
module = 0;
end = 1;
lineCount = 0;
}
//If is a wrong directive
else if(directiveCode == -2){
informError(3, lineNumber);
fclose(file);
return 1;
}
//If is a instruction increments the number of instruction
if(pseg == 1 && module == 1 && line[0] != '.' && directiveCode != 3){
addCommand(line, lineNumber);
numberOfInstructions++;
}
else if(pseg == 1 && module == 1 && line[0] == '.' && directiveCode == 3){
informError(4, lineNumber);
fclose(file);
return 1;
}
//If is a word increments the number of instruction
if(dseg == 1 && module == 1 && directiveCode == 3){
addCommand(line, lineNumber);
numberOfData++;
}
else if(dseg == 1 && module == 1 && directiveCode == -1){
informError(5, lineNumber);
fclose(file);
return 1;
}
//Checks if the memory(64KB -> 16384 32-bits address) was exceeded
if((numberOfData + numberOfInstructions) > 16384){
informError(2, lineNumber);
fclose(file);
return 1;
}
if(end != 1)
lineCount++;
}
lineNumber++;
}
fclose(file);
return 0;
}
