//return char except comments
static int getChar(SrcFile *sf)
{
int c = getChar_(sf);
if(c == '\\'){
int nc = getChar_(sf);
if(nc == '"'){ //escaped double-quotation
sf->inStrLiteral = !sf->inStrLiteral;
}
ungetChar_(nc, sf);
}else if(sf->inStrLiteral){
if(c == '"'){
sf->inStrLiteral = 0;
}
}else{
if(c == '/'){
int nc = getChar_(sf);
if(nc == '*'){ // block comment
sf->numCommentedLFs += skipBlockComment(sf);
c = ' ';
}else if(nc == '/'){ // single-line comment
skipSingleLineComment(sf);
c = '\n';
}else{
ungetChar_(nc, sf);
}
}else if(c == '"'){
sf->inStrLiteral = 1;
}
}
if(c == '\n'){
while(sf->numCommentedLFs > 0){
ungetChar_('\n', sf);
sf->numCommentedLFs--;
}
}
return c;
}
char * removeComments(char* source) {
/*char* rez = stradd("as\0", 'b');*/
/*printf("[%s]", rez);*/
/*return 1;*/
const int DEBUG = 0;
const char FIRST_COMMENT_SYMBOL = '/';
const char SINGLELINE = '/';
const char MULTILINE = '*';
const char IS_NOT_COMMENT = -1;
char* result = "\0";
int matchedPreviously = 0, i = 0;
if (DEBUG) {
printf("ORIGINAL:[%s]\n", source);
}
int sourceLen = strlen(source);
for(i = 0; i < sourceLen; i++) {
// printf("\n[%s]\n", source);
char curChar = source[i];
char typeOfComment = IS_NOT_COMMENT;
if (matchedPreviously) {
matchedPreviously = 0;
if (curChar == MULTILINE) {
typeOfComment = MULTILINE;
}else if (curChar == SINGLELINE) {
typeOfComment = SINGLELINE;
}
if (typeOfComment == IS_NOT_COMMENT) {
//if comment was not matched add first comment symbol(/) to string
result = stradd(result, FIRST_COMMENT_SYMBOL);
}else {
if (typeOfComment == SINGLELINE) {
i = skipSingleLineComment(i+1, sourceLen, source);
}else if (typeOfComment == MULTILINE) {
int rez = skipMultilineComment(i+1, sourceLen, source);
//if end of comment was not recognized
if (rez == -1) {
//return first two charackter that were skipped
result = stradd(result, FIRST_COMMENT_SYMBOL);
result = stradd(result, MULTILINE);
}else {
i = rez;
}
}
}
}else {
int isFirstCommentSymbol = curChar == FIRST_COMMENT_SYMBOL;
if (!isFirstCommentSymbol) {
result = stradd(result, curChar);
}
matchedPreviously = isFirstCommentSymbol;
}
if (DEBUG == 2) {
printf("RESULT:[%s]\n", result);
}
}
if (DEBUG) {
printf("RESULT:[%s]", result);
}
return result;
}
