From 7152f1dc4515cb14067fed4c5d5b5374f0d475b4 Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Mon, 6 Nov 2000 21:55:46 +0000 Subject: [PATCH] 2000-11-06 Kazu Hirata * input-file.c: Fix formatting. * input-file.h: Likewise. * input-scrub.c: Likewise. --- gas/ChangeLog | 6 +++ gas/input-file.c | 19 ++++---- gas/input-file.h | 8 ++-- gas/input-scrub.c | 136 +++++++++++++++++++++++++----------------------------- 4 files changed, 79 insertions(+), 90 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index dd2b316..6232652 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2000-11-06 Kazu Hirata + + * input-file.c: Fix formatting. + * input-file.h: Likewise. + * input-scrub.c: Likewise. + 2000-11-06 Nick Clifton * doc/as.texinfo: Add GNU Free Documentation License. diff --git a/gas/input-file.c b/gas/input-file.c index 339c4da..b390a8f 100644 --- a/gas/input-file.c +++ b/gas/input-file.c @@ -1,5 +1,5 @@ /* input_file.c - Deal with Input Files - - Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 98, 1999 + Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 98, 99, 2000 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -57,13 +57,12 @@ static FILE *f_in; static char *file_name; /* Struct for saving the state of this module for file includes. */ -struct saved_file - { - FILE *f_in; - char *file_name; - int preprocess; - char *app_save; - }; +struct saved_file { + FILE *f_in; + char *file_name; + int preprocess; + char *app_save; +}; /* These hooks accomodate most operating systems. */ @@ -188,7 +187,7 @@ input_file_close () fclose (f_in); } /* don't close a null file pointer */ f_in = 0; -} /* input_file_close() */ +} /* This function is passed to do_scrub_chars. */ @@ -245,5 +244,3 @@ input_file_give_next_buffer (where) } return (return_value); } - -/* end of input-file.c */ diff --git a/gas/input-file.h b/gas/input-file.h index 129bf28..14cb5e3 100644 --- a/gas/input-file.h +++ b/gas/input-file.h @@ -14,12 +14,12 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with GAS; see the file COPYING. If not, write to - the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + along with GAS; see the file COPYING. If not, write to the Free + Software Foundation, 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ /*"input_file.c":Operating-system dependant functions to read source files.*/ - /* * No matter what the operating system, this module must provide the * following services to its callers. @@ -64,5 +64,3 @@ void input_file_close PARAMS ((void)); void input_file_end PARAMS ((void)); void input_file_open PARAMS ((char *filename, int pre)); void input_file_pop PARAMS ((char *arg)); - -/* end of input_file.h */ diff --git a/gas/input-scrub.c b/gas/input-scrub.c index 8c5957b..ee5bdc8 100644 --- a/gas/input-scrub.c +++ b/gas/input-scrub.c @@ -59,14 +59,15 @@ static char *buffer_start; /*->1st char of full buffer area. */ static char *partial_where; /*->after last full line in buffer. */ static int partial_size; /* >=0. Number of chars in partial line in buffer. */ + +/* Because we need AFTER_STRING just after last full line, it clobbers + 1st part of partial line. So we preserve 1st part of partial line + here. */ static char save_source[AFTER_SIZE]; -/* Because we need AFTER_STRING just after last */ -/* full line, it clobbers 1st part of partial */ -/* line. So we preserve 1st part of partial */ -/* line here. */ -static unsigned int buffer_length; /* What is the largest size buffer that */ -/* input_file_give_next_buffer() could */ -/* return to us? */ + +/* What is the largest size buffer that input_file_give_next_buffer() + could return to us? */ +static unsigned int buffer_length; /* The index into an sb structure we are reading from. -1 if none. */ static int sb_index = -1; @@ -101,24 +102,23 @@ static line_numberT physical_input_line; static int logical_input_line; /* Struct used to save the state of the input handler during include files */ -struct input_save - { - char *buffer_start; - char *partial_where; - int partial_size; - char save_source[AFTER_SIZE]; - unsigned int buffer_length; - char *physical_input_file; - char *logical_input_file; - line_numberT physical_input_line; - int logical_input_line; - int sb_index; - sb from_sb; - int from_sb_is_expansion; /* Should we do a conditional check? */ - struct input_save *next_saved_file; /* Chain of input_saves */ - char *input_file_save; /* Saved state of input routines */ - char *saved_position; /* Caller's saved position in buf */ - }; +struct input_save { + char *buffer_start; + char *partial_where; + int partial_size; + char save_source[AFTER_SIZE]; + unsigned int buffer_length; + char *physical_input_file; + char *logical_input_file; + line_numberT physical_input_line; + int logical_input_line; + int sb_index; + sb from_sb; + int from_sb_is_expansion; /* Should we do a conditional check? */ + struct input_save *next_saved_file; /* Chain of input_saves */ + char *input_file_save; /* Saved state of input routines */ + char *saved_position; /* Caller's saved position in buf */ +}; static struct input_save *input_scrub_push PARAMS ((char *saved_position)); static char *input_scrub_pop PARAMS ((struct input_save *arg)); @@ -132,6 +132,7 @@ static struct input_save *next_saved_file; /* Push the state of input reading and scrubbing so that we can #include. The return value is a 'void *' (fudged for old compilers) to a save area, which can be restored by passing it to input_scrub_pop(). */ + static struct input_save * input_scrub_push (saved_position) char *saved_position; @@ -166,7 +167,7 @@ input_scrub_push (saved_position) memcpy (buffer_start, BEFORE_STRING, (int) BEFORE_SIZE); return saved; -} /* input_scrub_push() */ +} static char * input_scrub_pop (saved) @@ -196,12 +197,12 @@ input_scrub_pop (saved) return saved_position; } - void input_scrub_begin () { know (strlen (BEFORE_STRING) == BEFORE_SIZE); - know (strlen (AFTER_STRING) == AFTER_SIZE || (AFTER_STRING[0] == '\0' && AFTER_SIZE == 1)); + know (strlen (AFTER_STRING) == AFTER_SIZE + || (AFTER_STRING[0] == '\0' && AFTER_SIZE == 1)); input_file_begin (); @@ -229,9 +230,10 @@ input_scrub_end () } } -/* Start reading input from a new file. */ +/* Start reading input from a new file. + Return start of caller's part of buffer. */ -char * /* Return start of caller's part of buffer. */ +char * input_scrub_new_file (filename) char *filename; { @@ -311,16 +313,17 @@ input_scrub_next_buffer (bufp) if (sb_index >= from_sb.len) { sb_kill (&from_sb); - if (from_sb_is_expansion + if (from_sb_is_expansion ) - { - cond_finish_check (macro_nest); + { + cond_finish_check (macro_nest); #ifdef md_macro_end - /* allow the target to clean up per-macro expansion data */ - md_macro_end (); + /* Allow the target to clean up per-macro expansion + data. */ + md_macro_end (); #endif - } - --macro_nest; + } + --macro_nest; partial_where = NULL; if (next_saved_file != NULL) *bufp = input_scrub_pop (next_saved_file); @@ -404,15 +407,13 @@ input_scrub_next_buffer (bufp) } } return (partial_where); -} /* input_scrub_next_buffer() */ +} -/* - * The remaining part of this file deals with line numbers, error - * messages and so on. - */ +/* The remaining part of this file deals with line numbers, error + messages and so on. Return TRUE if we opened any file. */ int -seen_at_least_1_file () /* TRUE if we opened any file. */ +seen_at_least_1_file () { return (physical_input_file != NULL); } @@ -428,20 +429,17 @@ bump_line_counters () } } -/* - * new_logical_line() - * - * Tells us what the new logical line number and file are. - * If the line_number is -1, we don't change the current logical line - * number. If it is -2, we decrement the logical line number (this is - * to support the .appfile pseudo-op inserted into the stream by - * do_scrub_chars). - * If the fname is NULL, we don't change the current logical file name. - * Returns nonzero if the filename actually changes. - */ +/* Tells us what the new logical line number and file are. + If the line_number is -1, we don't change the current logical line + number. If it is -2, we decrement the logical line number (this is + to support the .appfile pseudo-op inserted into the stream by + do_scrub_chars). + If the fname is NULL, we don't change the current logical file name. + Returns nonzero if the filename actually changes. */ + int new_logical_line (fname, line_number) - char *fname; /* DON'T destroy it! We point to it! */ + char *fname; /* DON'T destroy it! We point to it! */ int line_number; { if (line_number >= 0) @@ -458,15 +456,12 @@ new_logical_line (fname, line_number) } else return 0; -} /* new_logical_line() */ +} -/* - * a s _ w h e r e () - * - * Return the current file name and line number. - * namep should be char * const *, but there are compilers which screw - * up declarations like that, and it's easier to avoid it. - */ +/* Return the current file name and line number. + namep should be char * const *, but there are compilers which screw + up declarations like that, and it's easier to avoid it. */ + void as_where (namep, linep) char **namep; @@ -491,22 +486,17 @@ as_where (namep, linep) if (linep != NULL) *linep = 0; } -} /* as_where() */ +} +/* Output to given stream how much of line we have scanned so far. + Assumes we have scanned up to and including input_line_pointer. + No free '\n' at end of line. */ -/* - * a s _ h o w m u c h () - * - * Output to given stream how much of line we have scanned so far. - * Assumes we have scanned up to and including input_line_pointer. - * No free '\n' at end of line. - */ void as_howmuch (stream) FILE *stream; /* Opened for write please. */ { register char *p; /* Scan input line. */ - /* register char c; JF unused */ for (p = input_line_pointer - 1; *p != '\n'; --p) { @@ -536,5 +526,3 @@ as_1_char (c, stream) } (void) putc (c, stream); } - -/* end of input_scrub.c */ -- 2.7.4