diff options
Diffstat (limited to 'gcc/fortran/scanner.c')
| -rw-r--r-- | gcc/fortran/scanner.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/gcc/fortran/scanner.c b/gcc/fortran/scanner.c index da4c37b..9bbb065 100644 --- a/gcc/fortran/scanner.c +++ b/gcc/fortran/scanner.c @@ -1106,6 +1106,7 @@ load_line (FILE *input, char **pbuf, int *pbuflen) int trunc_flag = 0, seen_comment = 0; int seen_printable = 0, seen_ampersand = 0; char *buffer; + bool found_tab = false; /* Determine the maximum allowed line length. */ if (gfc_current_form == FORM_FREE) @@ -1184,17 +1185,30 @@ load_line (FILE *input, char **pbuf, int *pbuflen) && (c == '*' || c == 'c' || c == 'd')) seen_comment = 1; - if (gfc_current_form == FORM_FIXED && c == '\t' && i <= 6) + /* Vendor extension: "<tab>1" marks a continuation line. */ + if (found_tab) { + found_tab = false; + if (c >= '1' && c <= '9') + { + *(buffer-1) = c; + continue; + } + } + + if (gfc_current_form == FORM_FIXED && c == '\t' && i < 6) + { + found_tab = true; + if (!gfc_option.warn_tabs && seen_comment == 0 && current_line != linenum) { linenum = current_line; - gfc_warning_now ("Nonconforming tab character in column 1 " - "of line %d", linenum); + gfc_warning_now ("Nonconforming tab character in column %d " + "of line %d", i+1, linenum); } - while (i <= 6) + while (i < 6) { *buffer++ = ' '; i++; |