yy_get_next_buffer - try to read in a new buffer * * Returns a code representing an action: * EOB_ACT_LAST_MATCH - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position * EOB_ACT_END_OF_FILE - end of file */
| 4346 | * EOB_ACT_END_OF_FILE - end of file |
| 4347 | */ |
| 4348 | static int yy_get_next_buffer (void) |
| 4349 | { |
| 4350 | register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; |
| 4351 | register char *source = (yytext_ptr); |
| 4352 | register int number_to_move, i; |
| 4353 | int ret_val; |
| 4354 | |
| 4355 | if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) |
| 4356 | YY_FATAL_ERROR( |
| 4357 | "fatal flex scanner internal error--end of buffer missed" ); |
| 4358 | |
| 4359 | if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) |
| 4360 | { /* Don't try to fill the buffer, so this is an EOF. */ |
| 4361 | if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) |
| 4362 | { |
| 4363 | /* We matched a single character, the EOB, so |
| 4364 | * treat this as a final EOF. |
| 4365 | */ |
| 4366 | return EOB_ACT_END_OF_FILE; |
| 4367 | } |
| 4368 | |
| 4369 | else |
| 4370 | { |
| 4371 | /* We matched some text prior to the EOB, first |
| 4372 | * process it. |
| 4373 | */ |
| 4374 | return EOB_ACT_LAST_MATCH; |
| 4375 | } |
| 4376 | } |
| 4377 | |
| 4378 | /* Try to read more data. */ |
| 4379 | |
| 4380 | /* First move last chars to start of buffer. */ |
| 4381 | number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; |
| 4382 | |
| 4383 | for ( i = 0; i < number_to_move; ++i ) |
| 4384 | *(dest++) = *(source++); |
| 4385 | |
| 4386 | if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) |
| 4387 | /* don't do the read, it's not guaranteed to return an EOF, |
| 4388 | * just force an EOF |
| 4389 | */ |
| 4390 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; |
| 4391 | |
| 4392 | else |
| 4393 | { |
| 4394 | int num_to_read = |
| 4395 | YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; |
| 4396 | |
| 4397 | while ( num_to_read <= 0 ) |
| 4398 | { /* Not enough room in the buffer - grow it. */ |
| 4399 | |
| 4400 | /* just a shorter name for the current buffer */ |
| 4401 | YY_BUFFER_STATE b = YY_CURRENT_BUFFER; |
| 4402 | |
| 4403 | int yy_c_buf_p_offset = |
| 4404 | (int) ((yy_c_buf_p) - b->yy_ch_buf); |
| 4405 |
no test coverage detected