/** enter_scope enter a new nested scope. Increment the nesting
* level. push new scope's symbol table onto the
* stack.
*
*/
void cx_symtab_stack::enter_scope(void) {
if (++current_nesting_level > max_nesting_level) {
cx_error(err_nesting_too_deep);
abort_translation(abort_nesting_too_deep);
}
set_current_symtab(new cx_symtab);
}
/** enter_scope enter a new nested scope. Increment the nesting
* level. push new scope's symbol table onto the
* stack.
*
*/
void cx_symtab_stack::enter_scope(void) {
// dont overwrite mains scope
//if (current_nesting_level <= 1)++current_nesting_level;
if (++current_nesting_level > max_nesting_level) {
cx_error(err_nesting_too_deep);
abort_translation(abort_nesting_too_deep);
}
set_current_symtab(new cx_symtab);
}
/** Constructor Construct a input text buffer by opening the
* input file.
*
* @param p_input_file_name : ptr to the name of the input file
* @param ac : abort code to use if open failed
*/
cx_text_in_buffer::cx_text_in_buffer(const char *p_input_file_name,
cx_abort_code ac)
: p_file_name(new char[strlen(p_input_file_name) + 1]) {
// Copy the input file name.
strcpy(p_file_name, p_input_file_name);
// Open the input file. Abort if failed.
file.open(p_file_name, std::ios::in);
if (!file.good()) {
std::cout << p_file_name << ": " << std::strerror(errno) << std::endl;
abort_translation(ac);
}
}
