2002-12-02 16:42:15 +01:00
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/* macro.c - macro support for gas
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2020-01-01 08:57:01 +01:00
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Copyright (C) 1994-2020 Free Software Foundation, Inc.
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1999-05-03 09:29:11 +02:00
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Written by Steve and Judy Chamberlain of Cygnus Support,
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sac@cygnus.com
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-07-03 13:01:12 +02:00
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the Free Software Foundation; either version 3, or (at your option)
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1999-05-03 09:29:11 +02:00
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any later version.
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GAS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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2005-05-05 11:13:19 +02:00
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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1999-05-03 09:29:11 +02:00
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2004-10-07 17:16:08 +02:00
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#include "as.h"
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2001-09-19 07:33:36 +02:00
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#include "safe-ctype.h"
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1999-05-03 09:29:11 +02:00
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#include "sb.h"
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#include "macro.h"
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/* The routines in this file handle macro definition and expansion.
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2002-12-02 16:42:15 +01:00
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They are called by gas. */
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1999-05-03 09:29:11 +02:00
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#define ISWHITE(x) ((x) == ' ' || (x) == '\t')
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#define ISSEP(x) \
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((x) == ' ' || (x) == '\t' || (x) == ',' || (x) == '"' || (x) == ';' \
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|| (x) == ')' || (x) == '(' \
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|| ((macro_alternate || macro_mri) && ((x) == '<' || (x) == '>')))
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#define ISBASE(x) \
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((x) == 'b' || (x) == 'B' \
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|| (x) == 'q' || (x) == 'Q' \
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|| (x) == 'h' || (x) == 'H' \
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|| (x) == 'd' || (x) == 'D')
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/* The macro hash table. */
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2005-05-03 14:02:47 +02:00
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struct hash_control *macro_hash;
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1999-05-03 09:29:11 +02:00
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/* Whether any macros have been defined. */
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int macro_defined;
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2002-12-02 16:42:15 +01:00
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/* Whether we are in alternate syntax mode. */
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1999-05-03 09:29:11 +02:00
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static int macro_alternate;
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/* Whether we are in MRI mode. */
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static int macro_mri;
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/* Whether we should strip '@' characters. */
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static int macro_strip_at;
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/* Function to use to parse an expression. */
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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static size_t (*macro_expr) (const char *, size_t, sb *, offsetT *);
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1999-05-03 09:29:11 +02:00
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/* Number of macro expansions that have been done. */
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static int macro_number;
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/* Initialize macro processing. */
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void
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2003-11-24 18:52:33 +01:00
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macro_init (int alternate, int mri, int strip_at,
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t (*exp) (const char *, size_t, sb *, offsetT *))
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1999-05-03 09:29:11 +02:00
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{
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macro_hash = hash_new ();
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macro_defined = 0;
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macro_alternate = alternate;
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macro_mri = mri;
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macro_strip_at = strip_at;
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2009-12-11 14:42:17 +01:00
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macro_expr = exp;
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1999-05-03 09:29:11 +02:00
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}
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2004-08-13 21:53:52 +02:00
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/* Switch in and out of alternate mode on the fly. */
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void
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2004-08-16 10:34:28 +02:00
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macro_set_alternate (int alternate)
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2004-08-13 21:53:52 +02:00
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{
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macro_alternate = alternate;
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}
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1999-05-03 09:29:11 +02:00
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/* Switch in and out of MRI mode on the fly. */
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void
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2003-11-24 18:52:33 +01:00
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macro_mri_mode (int mri)
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1999-05-03 09:29:11 +02:00
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{
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macro_mri = mri;
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}
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/* Read input lines till we get to a TO string.
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Increase nesting depth if we get a FROM string.
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Put the results into sb at PTR.
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2005-01-31 15:30:34 +01:00
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FROM may be NULL (or will be ignored) if TO is "ENDR".
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1999-05-03 09:29:11 +02:00
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Add a new input line to an sb using GET_LINE.
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Return 1 on success, 0 on unexpected EOF. */
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int
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2003-11-24 18:52:33 +01:00
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buffer_and_nest (const char *from, const char *to, sb *ptr,
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t (*get_line) (sb *))
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1999-05-03 09:29:11 +02:00
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{
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t from_len;
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size_t to_len = strlen (to);
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1999-05-03 09:29:11 +02:00
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int depth = 1;
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t line_start = ptr->len;
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size_t more = get_line (ptr);
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1999-05-03 09:29:11 +02:00
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2011-03-30 17:10:37 +02:00
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if (to_len == 4 && strcasecmp (to, "ENDR") == 0)
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2005-01-31 15:30:34 +01:00
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{
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from = NULL;
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from_len = 0;
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}
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else
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from_len = strlen (from);
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1999-05-03 09:29:11 +02:00
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while (more)
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{
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2005-11-07 02:47:54 +01:00
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/* Try to find the first pseudo op on the line. */
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PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
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size_t i = line_start;
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2009-10-15 12:58:34 +02:00
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bfd_boolean had_colon = FALSE;
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1999-05-03 09:29:11 +02:00
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2005-11-07 02:47:54 +01:00
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/* With normal syntax we can suck what we want till we get
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to the dot. With the alternate, labels have to start in
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the first column, since we can't tell what's a label and
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what's a pseudoop. */
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1999-05-03 09:29:11 +02:00
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2005-11-07 02:47:54 +01:00
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if (! LABELS_WITHOUT_COLONS)
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{
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/* Skip leading whitespace. */
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while (i < ptr->len && ISWHITE (ptr->ptr[i]))
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i++;
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}
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1999-05-03 09:29:11 +02:00
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2005-11-07 02:47:54 +01:00
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for (;;)
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{
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/* Skip over a label, if any. */
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if (i >= ptr->len || ! is_name_beginner (ptr->ptr[i]))
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break;
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i++;
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while (i < ptr->len && is_part_of_name (ptr->ptr[i]))
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i++;
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if (i < ptr->len && is_name_ender (ptr->ptr[i]))
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i++;
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/* Skip whitespace. */
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while (i < ptr->len && ISWHITE (ptr->ptr[i]))
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i++;
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/* Check for the colon. */
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if (i >= ptr->len || ptr->ptr[i] != ':')
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2005-04-11 14:46:38 +02:00
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{
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2009-10-15 12:58:34 +02:00
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/* LABELS_WITHOUT_COLONS doesn't mean we cannot have a
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colon after a label. If we do have a colon on the
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first label then handle more than one label on the
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line, assuming that each label has a colon. */
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if (LABELS_WITHOUT_COLONS && !had_colon)
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break;
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2005-11-07 02:47:54 +01:00
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i = line_start;
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break;
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2005-04-11 14:46:38 +02:00
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}
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2005-11-07 02:47:54 +01:00
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i++;
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line_start = i;
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2009-10-15 12:58:34 +02:00
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had_colon = TRUE;
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1999-05-03 09:29:11 +02:00
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}
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2005-11-07 02:47:54 +01:00
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2000-08-31 20:36:18 +02:00
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/* Skip trailing whitespace. */
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1999-05-03 09:29:11 +02:00
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while (i < ptr->len && ISWHITE (ptr->ptr[i]))
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i++;
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if (i < ptr->len && (ptr->ptr[i] == '.'
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2005-01-31 15:30:34 +01:00
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|| NO_PSEUDO_DOT
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1999-05-03 09:29:11 +02:00
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|| macro_mri))
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{
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2005-01-31 15:30:34 +01:00
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if (! flag_m68k_mri && ptr->ptr[i] == '.')
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2000-08-31 20:36:18 +02:00
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i++;
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2005-01-31 15:30:34 +01:00
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if (from == NULL
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&& strncasecmp (ptr->ptr + i, "IRPC", from_len = 4) != 0
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&& strncasecmp (ptr->ptr + i, "IRP", from_len = 3) != 0
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&& strncasecmp (ptr->ptr + i, "IREPC", from_len = 5) != 0
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&& strncasecmp (ptr->ptr + i, "IREP", from_len = 4) != 0
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&& strncasecmp (ptr->ptr + i, "REPT", from_len = 4) != 0
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&& strncasecmp (ptr->ptr + i, "REP", from_len = 3) != 0)
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from_len = 0;
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if ((from != NULL
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? strncasecmp (ptr->ptr + i, from, from_len) == 0
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: from_len > 0)
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2000-08-31 20:36:18 +02:00
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&& (ptr->len == (i + from_len)
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2005-04-11 14:46:38 +02:00
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|| ! (is_part_of_name (ptr->ptr[i + from_len])
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|| is_name_ender (ptr->ptr[i + from_len]))))
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1999-05-03 09:29:11 +02:00
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depth++;
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1999-11-11 17:35:12 +01:00
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if (strncasecmp (ptr->ptr + i, to, to_len) == 0
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2000-08-31 20:36:18 +02:00
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&& (ptr->len == (i + to_len)
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2005-04-11 14:46:38 +02:00
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|| ! (is_part_of_name (ptr->ptr[i + to_len])
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|| is_name_ender (ptr->ptr[i + to_len]))))
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1999-05-03 09:29:11 +02:00
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{
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depth--;
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if (depth == 0)
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{
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2000-08-31 20:36:18 +02:00
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/* Reset the string to not include the ending rune. */
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1999-05-03 09:29:11 +02:00
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ptr->len = line_start;
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break;
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}
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}
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2014-06-17 18:21:08 +02:00
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/* PR gas/16908
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Apply and discard .linefile directives that appear within
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the macro. For long macros, one might want to report the
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line number information associated with the lines within
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the macro definition, but we would need more infrastructure
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to make that happen correctly (e.g. resetting the line
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number when expanding the macro), and since for short
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macros we clearly prefer reporting the point of expansion
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anyway, there's not an obviously better fix here. */
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if (strncasecmp (ptr->ptr + i, "linefile", 8) == 0)
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{
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char saved_eol_char = ptr->ptr[ptr->len];
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ptr->ptr[ptr->len] = '\0';
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2019-03-18 13:04:36 +01:00
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temp_ilp (ptr->ptr + i + 8);
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2014-06-17 18:21:08 +02:00
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s_app_line (0);
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2019-03-18 13:04:36 +01:00
|
|
|
restore_ilp ();
|
2014-06-17 18:21:08 +02:00
|
|
|
ptr->ptr[ptr->len] = saved_eol_char;
|
|
|
|
ptr->len = line_start;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
2003-03-13 12:49:33 +01:00
|
|
|
/* Add the original end-of-line char to the end and keep running. */
|
|
|
|
sb_add_char (ptr, more);
|
1999-05-03 09:29:11 +02:00
|
|
|
line_start = ptr->len;
|
|
|
|
more = get_line (ptr);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return 1 on success, 0 on unexpected EOF. */
|
|
|
|
return depth == 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Pick up a token. */
|
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
static size_t
|
|
|
|
get_token (size_t idx, sb *in, sb *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
if (idx < in->len
|
2005-04-11 14:46:38 +02:00
|
|
|
&& is_name_beginner (in->ptr[idx]))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb_add_char (name, in->ptr[idx++]);
|
|
|
|
while (idx < in->len
|
2005-04-11 14:46:38 +02:00
|
|
|
&& is_part_of_name (in->ptr[idx]))
|
|
|
|
{
|
|
|
|
sb_add_char (name, in->ptr[idx++]);
|
|
|
|
}
|
|
|
|
if (idx < in->len
|
|
|
|
&& is_name_ender (in->ptr[idx]))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb_add_char (name, in->ptr[idx++]);
|
|
|
|
}
|
|
|
|
}
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Ignore trailing &. */
|
1999-05-03 09:29:11 +02:00
|
|
|
if (macro_alternate && idx < in->len && in->ptr[idx] == '&')
|
|
|
|
idx++;
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Pick up a string. */
|
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
static size_t
|
|
|
|
getstring (size_t idx, sb *in, sb *acc)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
while (idx < in->len
|
2000-08-31 20:36:18 +02:00
|
|
|
&& (in->ptr[idx] == '"'
|
1999-05-03 09:29:11 +02:00
|
|
|
|| (in->ptr[idx] == '<' && (macro_alternate || macro_mri))
|
|
|
|
|| (in->ptr[idx] == '\'' && macro_alternate)))
|
|
|
|
{
|
2005-08-09 17:47:46 +02:00
|
|
|
if (in->ptr[idx] == '<')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
int nest = 0;
|
|
|
|
idx++;
|
2019-01-25 04:11:47 +01:00
|
|
|
while (idx < in->len
|
|
|
|
&& (in->ptr[idx] != '>' || nest))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
if (in->ptr[idx] == '!')
|
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
idx++;
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (acc, in->ptr[idx++]);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2006-02-28 08:55:36 +01:00
|
|
|
if (in->ptr[idx] == '>')
|
1999-05-03 09:29:11 +02:00
|
|
|
nest--;
|
2006-02-28 08:55:36 +01:00
|
|
|
if (in->ptr[idx] == '<')
|
1999-05-03 09:29:11 +02:00
|
|
|
nest++;
|
|
|
|
sb_add_char (acc, in->ptr[idx++]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
idx++;
|
|
|
|
}
|
|
|
|
else if (in->ptr[idx] == '"' || in->ptr[idx] == '\'')
|
|
|
|
{
|
|
|
|
char tchar = in->ptr[idx];
|
2000-06-14 06:58:50 +02:00
|
|
|
int escaped = 0;
|
2000-08-31 20:36:18 +02:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
idx++;
|
2000-08-31 20:36:18 +02:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
while (idx < in->len)
|
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
if (in->ptr[idx - 1] == '\\')
|
2000-06-14 06:58:50 +02:00
|
|
|
escaped ^= 1;
|
|
|
|
else
|
|
|
|
escaped = 0;
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
if (macro_alternate && in->ptr[idx] == '!')
|
|
|
|
{
|
2000-12-12 20:29:24 +01:00
|
|
|
idx ++;
|
2000-08-31 20:36:18 +02:00
|
|
|
|
2000-06-25 19:59:22 +02:00
|
|
|
sb_add_char (acc, in->ptr[idx]);
|
|
|
|
|
2000-12-12 20:29:24 +01:00
|
|
|
idx ++;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
2000-06-14 06:58:50 +02:00
|
|
|
else if (escaped && in->ptr[idx] == tchar)
|
|
|
|
{
|
|
|
|
sb_add_char (acc, tchar);
|
2000-12-12 20:29:24 +01:00
|
|
|
idx ++;
|
2000-06-14 06:58:50 +02:00
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
if (in->ptr[idx] == tchar)
|
|
|
|
{
|
2000-12-12 20:29:24 +01:00
|
|
|
idx ++;
|
2000-08-31 20:36:18 +02:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
if (idx >= in->len || in->ptr[idx] != tchar)
|
|
|
|
break;
|
|
|
|
}
|
2000-08-31 20:36:18 +02:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (acc, in->ptr[idx]);
|
2000-12-12 20:29:24 +01:00
|
|
|
idx ++;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2000-08-31 20:36:18 +02:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fetch string from the input stream,
|
|
|
|
rules:
|
|
|
|
'Bxyx<whitespace> -> return 'Bxyza
|
2005-08-08 13:15:33 +02:00
|
|
|
%<expr> -> return string of decimal value of <expr>
|
|
|
|
"string" -> return string
|
2005-08-09 17:47:46 +02:00
|
|
|
(string) -> return (string-including-whitespaces)
|
2005-08-08 13:15:33 +02:00
|
|
|
xyx<whitespace> -> return xyz. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
static size_t
|
|
|
|
get_any_string (size_t idx, sb *in, sb *out)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb_reset (out);
|
|
|
|
idx = sb_skip_white (idx, in);
|
|
|
|
|
|
|
|
if (idx < in->len)
|
|
|
|
{
|
2002-11-11 09:42:52 +01:00
|
|
|
if (in->len > idx + 2 && in->ptr[idx + 1] == '\'' && ISBASE (in->ptr[idx]))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2019-01-04 17:18:59 +01:00
|
|
|
while (idx < in->len && !ISSEP (in->ptr[idx]))
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (out, in->ptr[idx++]);
|
|
|
|
}
|
2005-05-10 09:48:24 +02:00
|
|
|
else if (in->ptr[idx] == '%' && macro_alternate)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
offsetT val;
|
2019-05-10 17:57:31 +02:00
|
|
|
char buf[64];
|
2005-08-08 13:15:33 +02:00
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Turns the next expression into a string. */
|
2002-01-17 12:28:49 +01:00
|
|
|
/* xgettext: no-c-format */
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = (*macro_expr) (_("% operator needs absolute expression"),
|
|
|
|
idx + 1,
|
|
|
|
in,
|
|
|
|
&val);
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
sprintf (buf, "%" BFD_VMA_FMT "d", val);
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_string (out, buf);
|
|
|
|
}
|
|
|
|
else if (in->ptr[idx] == '"'
|
|
|
|
|| (in->ptr[idx] == '<' && (macro_alternate || macro_mri))
|
|
|
|
|| (macro_alternate && in->ptr[idx] == '\''))
|
|
|
|
{
|
2006-02-28 08:57:09 +01:00
|
|
|
if (macro_alternate && ! macro_strip_at && in->ptr[idx] != '<')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Keep the quotes. */
|
2006-02-28 08:57:09 +01:00
|
|
|
sb_add_char (out, '"');
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = getstring (idx, in, out);
|
2006-02-28 08:57:09 +01:00
|
|
|
sb_add_char (out, '"');
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
idx = getstring (idx, in, out);
|
|
|
|
}
|
|
|
|
}
|
2000-08-31 20:36:18 +02:00
|
|
|
else
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2016-04-06 22:26:46 +02:00
|
|
|
char *br_buf = XNEWVEC (char, 1);
|
2006-02-28 08:55:36 +01:00
|
|
|
char *in_br = br_buf;
|
|
|
|
|
|
|
|
*in_br = '\0';
|
2000-08-31 20:36:18 +02:00
|
|
|
while (idx < in->len
|
2006-02-28 08:55:36 +01:00
|
|
|
&& (*in_br
|
|
|
|
|| (in->ptr[idx] != ' '
|
|
|
|
&& in->ptr[idx] != '\t'))
|
2005-05-10 09:48:24 +02:00
|
|
|
&& in->ptr[idx] != ','
|
|
|
|
&& (in->ptr[idx] != '<'
|
|
|
|
|| (! macro_alternate && ! macro_mri)))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2006-02-28 08:55:36 +01:00
|
|
|
char tchar = in->ptr[idx];
|
2005-08-08 13:15:33 +02:00
|
|
|
|
2006-02-28 08:55:36 +01:00
|
|
|
switch (tchar)
|
|
|
|
{
|
|
|
|
case '"':
|
|
|
|
case '\'':
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (out, in->ptr[idx++]);
|
|
|
|
while (idx < in->len
|
|
|
|
&& in->ptr[idx] != tchar)
|
2000-08-31 20:36:18 +02:00
|
|
|
sb_add_char (out, in->ptr[idx++]);
|
1999-05-03 09:29:11 +02:00
|
|
|
if (idx == in->len)
|
2011-03-30 17:10:37 +02:00
|
|
|
{
|
|
|
|
free (br_buf);
|
|
|
|
return idx;
|
|
|
|
}
|
2006-02-28 08:55:36 +01:00
|
|
|
break;
|
|
|
|
case '(':
|
|
|
|
case '[':
|
|
|
|
if (in_br > br_buf)
|
|
|
|
--in_br;
|
|
|
|
else
|
|
|
|
{
|
2016-04-06 22:26:46 +02:00
|
|
|
br_buf = XNEWVEC (char, strlen (in_br) + 2);
|
2011-03-30 17:10:37 +02:00
|
|
|
strcpy (br_buf + 1, in_br);
|
|
|
|
free (in_br);
|
2006-02-28 08:55:36 +01:00
|
|
|
in_br = br_buf;
|
|
|
|
}
|
|
|
|
*in_br = tchar;
|
|
|
|
break;
|
|
|
|
case ')':
|
|
|
|
if (*in_br == '(')
|
|
|
|
++in_br;
|
|
|
|
break;
|
|
|
|
case ']':
|
|
|
|
if (*in_br == '[')
|
|
|
|
++in_br;
|
|
|
|
break;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
2006-02-28 08:55:36 +01:00
|
|
|
sb_add_char (out, tchar);
|
|
|
|
++idx;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
2011-03-30 17:10:37 +02:00
|
|
|
free (br_buf);
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
|
2005-05-06 08:50:31 +02:00
|
|
|
/* Allocate a new formal. */
|
|
|
|
|
|
|
|
static formal_entry *
|
|
|
|
new_formal (void)
|
|
|
|
{
|
|
|
|
formal_entry *formal;
|
|
|
|
|
2016-04-01 15:26:30 +02:00
|
|
|
formal = XNEW (formal_entry);
|
2005-05-06 08:50:31 +02:00
|
|
|
|
|
|
|
sb_new (&formal->name);
|
|
|
|
sb_new (&formal->def);
|
|
|
|
sb_new (&formal->actual);
|
|
|
|
formal->next = NULL;
|
|
|
|
formal->type = FORMAL_OPTIONAL;
|
|
|
|
return formal;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Free a formal. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
del_formal (formal_entry *formal)
|
|
|
|
{
|
|
|
|
sb_kill (&formal->actual);
|
|
|
|
sb_kill (&formal->def);
|
|
|
|
sb_kill (&formal->name);
|
|
|
|
free (formal);
|
|
|
|
}
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* Pick up the formal parameters of a macro definition. */
|
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
static size_t
|
|
|
|
do_formals (macro_entry *macro, size_t idx, sb *in)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
formal_entry **p = ¯o->formals;
|
2005-04-25 08:43:46 +02:00
|
|
|
const char *name;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-01-31 15:26:13 +01:00
|
|
|
idx = sb_skip_white (idx, in);
|
1999-05-03 09:29:11 +02:00
|
|
|
while (idx < in->len)
|
|
|
|
{
|
2005-05-06 08:50:31 +02:00
|
|
|
formal_entry *formal = new_formal ();
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
size_t cidx;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
idx = get_token (idx, in, &formal->name);
|
|
|
|
if (formal->name.len == 0)
|
2005-01-31 15:26:13 +01:00
|
|
|
{
|
|
|
|
if (macro->formal_count)
|
|
|
|
--idx;
|
2011-03-30 17:10:37 +02:00
|
|
|
del_formal (formal); /* 'formal' goes out of scope. */
|
2005-01-31 15:26:13 +01:00
|
|
|
break;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = sb_skip_white (idx, in);
|
2005-01-31 15:26:13 +01:00
|
|
|
/* This is a formal. */
|
2005-05-06 08:50:31 +02:00
|
|
|
name = sb_terminate (&formal->name);
|
|
|
|
if (! macro_mri
|
|
|
|
&& idx < in->len
|
|
|
|
&& in->ptr[idx] == ':'
|
|
|
|
&& (! is_name_beginner (':')
|
|
|
|
|| idx + 1 >= in->len
|
|
|
|
|| ! is_part_of_name (in->ptr[idx + 1])))
|
|
|
|
{
|
|
|
|
/* Got a qualifier. */
|
|
|
|
sb qual;
|
|
|
|
|
|
|
|
sb_new (&qual);
|
|
|
|
idx = get_token (sb_skip_white (idx + 1, in), in, &qual);
|
|
|
|
sb_terminate (&qual);
|
|
|
|
if (qual.len == 0)
|
|
|
|
as_bad_where (macro->file,
|
|
|
|
macro->line,
|
|
|
|
_("Missing parameter qualifier for `%s' in macro `%s'"),
|
|
|
|
name,
|
|
|
|
macro->name);
|
|
|
|
else if (strcmp (qual.ptr, "req") == 0)
|
|
|
|
formal->type = FORMAL_REQUIRED;
|
|
|
|
else if (strcmp (qual.ptr, "vararg") == 0)
|
|
|
|
formal->type = FORMAL_VARARG;
|
|
|
|
else
|
|
|
|
as_bad_where (macro->file,
|
|
|
|
macro->line,
|
|
|
|
_("`%s' is not a valid parameter qualifier for `%s' in macro `%s'"),
|
|
|
|
qual.ptr,
|
|
|
|
name,
|
|
|
|
macro->name);
|
|
|
|
sb_kill (&qual);
|
|
|
|
idx = sb_skip_white (idx, in);
|
|
|
|
}
|
2005-01-31 15:26:13 +01:00
|
|
|
if (idx < in->len && in->ptr[idx] == '=')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2005-01-31 15:26:13 +01:00
|
|
|
/* Got a default. */
|
2005-05-10 09:48:24 +02:00
|
|
|
idx = get_any_string (idx + 1, in, &formal->def);
|
2005-01-31 15:26:13 +01:00
|
|
|
idx = sb_skip_white (idx, in);
|
2005-05-06 08:50:31 +02:00
|
|
|
if (formal->type == FORMAL_REQUIRED)
|
|
|
|
{
|
|
|
|
sb_reset (&formal->def);
|
|
|
|
as_warn_where (macro->file,
|
|
|
|
macro->line,
|
|
|
|
_("Pointless default value for required parameter `%s' in macro `%s'"),
|
|
|
|
name,
|
|
|
|
macro->name);
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Add to macro's hash table. */
|
2005-04-25 08:43:46 +02:00
|
|
|
if (! hash_find (macro->formal_hash, name))
|
|
|
|
hash_jam (macro->formal_hash, name, formal);
|
|
|
|
else
|
|
|
|
as_bad_where (macro->file,
|
|
|
|
macro->line,
|
|
|
|
_("A parameter named `%s' already exists for macro `%s'"),
|
|
|
|
name,
|
|
|
|
macro->name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-01-31 15:26:13 +01:00
|
|
|
formal->index = macro->formal_count++;
|
2005-05-06 08:50:31 +02:00
|
|
|
*p = formal;
|
|
|
|
p = &formal->next;
|
|
|
|
if (formal->type == FORMAL_VARARG)
|
|
|
|
break;
|
2005-01-31 15:26:13 +01:00
|
|
|
cidx = idx;
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = sb_skip_comma (idx, in);
|
2005-01-31 15:26:13 +01:00
|
|
|
if (idx != cidx && idx >= in->len)
|
|
|
|
{
|
|
|
|
idx = cidx;
|
|
|
|
break;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (macro_mri)
|
|
|
|
{
|
2005-05-06 08:50:31 +02:00
|
|
|
formal_entry *formal = new_formal ();
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
/* Add a special NARG formal, which macro_expand will set to the
|
2013-01-10 18:11:17 +01:00
|
|
|
number of arguments. */
|
1999-05-03 09:29:11 +02:00
|
|
|
/* The same MRI assemblers which treat '@' characters also use
|
2013-01-10 18:11:17 +01:00
|
|
|
the name $NARG. At least until we find an exception. */
|
1999-05-03 09:29:11 +02:00
|
|
|
if (macro_strip_at)
|
|
|
|
name = "$NARG";
|
|
|
|
else
|
|
|
|
name = "NARG";
|
|
|
|
|
|
|
|
sb_add_string (&formal->name, name);
|
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Add to macro's hash table. */
|
2005-04-25 08:43:46 +02:00
|
|
|
if (hash_find (macro->formal_hash, name))
|
|
|
|
as_bad_where (macro->file,
|
|
|
|
macro->line,
|
|
|
|
_("Reserved word `%s' used as parameter in macro `%s'"),
|
|
|
|
name,
|
|
|
|
macro->name);
|
1999-05-03 09:29:11 +02:00
|
|
|
hash_jam (macro->formal_hash, name, formal);
|
|
|
|
|
|
|
|
formal->index = NARG_INDEX;
|
|
|
|
*p = formal;
|
|
|
|
}
|
|
|
|
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
|
2009-10-15 12:58:34 +02:00
|
|
|
/* Free the memory allocated to a macro. */
|
|
|
|
|
|
|
|
static void
|
|
|
|
free_macro (macro_entry *macro)
|
|
|
|
{
|
|
|
|
formal_entry *formal;
|
|
|
|
|
|
|
|
for (formal = macro->formals; formal; )
|
|
|
|
{
|
|
|
|
formal_entry *f;
|
|
|
|
|
|
|
|
f = formal;
|
|
|
|
formal = formal->next;
|
|
|
|
del_formal (f);
|
|
|
|
}
|
|
|
|
hash_die (macro->formal_hash);
|
|
|
|
sb_kill (¯o->sub);
|
|
|
|
free (macro);
|
|
|
|
}
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
/* Define a new macro. Returns NULL on success, otherwise returns an
|
|
|
|
error message. If NAMEP is not NULL, *NAMEP is set to the name of
|
|
|
|
the macro which was defined. */
|
|
|
|
|
|
|
|
const char *
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
define_macro (size_t idx, sb *in, sb *label,
|
|
|
|
size_t (*get_line) (sb *),
|
2016-02-22 15:11:27 +01:00
|
|
|
const char *file, unsigned int line,
|
2005-04-25 08:43:46 +02:00
|
|
|
const char **namep)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
macro_entry *macro;
|
|
|
|
sb name;
|
2005-04-25 08:43:46 +02:00
|
|
|
const char *error = NULL;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2016-04-01 15:26:30 +02:00
|
|
|
macro = XNEW (macro_entry);
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_new (¯o->sub);
|
|
|
|
sb_new (&name);
|
2005-04-25 08:43:46 +02:00
|
|
|
macro->file = file;
|
|
|
|
macro->line = line;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
macro->formal_count = 0;
|
|
|
|
macro->formals = 0;
|
2013-01-10 18:11:17 +01:00
|
|
|
macro->formal_hash = hash_new_sized (7);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
idx = sb_skip_white (idx, in);
|
|
|
|
if (! buffer_and_nest ("MACRO", "ENDM", ¯o->sub, get_line))
|
2005-04-25 08:43:46 +02:00
|
|
|
error = _("unexpected end of file in macro `%s' definition");
|
1999-05-03 09:29:11 +02:00
|
|
|
if (label != NULL && label->len != 0)
|
|
|
|
{
|
|
|
|
sb_add_sb (&name, label);
|
2005-04-25 08:43:46 +02:00
|
|
|
macro->name = sb_terminate (&name);
|
1999-05-03 09:29:11 +02:00
|
|
|
if (idx < in->len && in->ptr[idx] == '(')
|
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
/* It's the label: MACRO (formals,...) sort */
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = do_formals (macro, idx + 1, in);
|
2005-04-25 08:43:46 +02:00
|
|
|
if (idx < in->len && in->ptr[idx] == ')')
|
|
|
|
idx = sb_skip_white (idx + 1, in);
|
|
|
|
else if (!error)
|
|
|
|
error = _("missing `)' after formals in macro definition `%s'");
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
/* It's the label: MACRO formals,... sort */
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = do_formals (macro, idx, in);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
size_t cidx;
|
2005-01-31 15:26:13 +01:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = get_token (idx, in, &name);
|
2005-04-25 08:43:46 +02:00
|
|
|
macro->name = sb_terminate (&name);
|
2005-01-31 15:26:13 +01:00
|
|
|
if (name.len == 0)
|
2005-04-25 08:43:46 +02:00
|
|
|
error = _("Missing macro name");
|
2005-01-31 15:26:13 +01:00
|
|
|
cidx = sb_skip_white (idx, in);
|
|
|
|
idx = sb_skip_comma (cidx, in);
|
|
|
|
if (idx == cidx || idx < in->len)
|
|
|
|
idx = do_formals (macro, idx, in);
|
|
|
|
else
|
|
|
|
idx = cidx;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
2005-04-25 08:43:46 +02:00
|
|
|
if (!error && idx < in->len)
|
|
|
|
error = _("Bad parameter list for macro `%s'");
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* And stick it in the macro hash table. */
|
1999-05-03 09:29:11 +02:00
|
|
|
for (idx = 0; idx < name.len; idx++)
|
2001-09-19 07:33:36 +02:00
|
|
|
name.ptr[idx] = TOLOWER (name.ptr[idx]);
|
2005-04-25 08:43:46 +02:00
|
|
|
if (hash_find (macro_hash, macro->name))
|
|
|
|
error = _("Macro `%s' was already defined");
|
|
|
|
if (!error)
|
2008-08-13 01:39:31 +02:00
|
|
|
error = hash_jam (macro_hash, macro->name, (void *) macro);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
if (namep != NULL)
|
2005-04-25 08:43:46 +02:00
|
|
|
*namep = macro->name;
|
|
|
|
|
|
|
|
if (!error)
|
|
|
|
macro_defined = 1;
|
|
|
|
else
|
|
|
|
free_macro (macro);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-04-25 08:43:46 +02:00
|
|
|
return error;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Scan a token, and then skip KIND. */
|
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
static size_t
|
|
|
|
get_apost_token (size_t idx, sb *in, sb *name, int kind)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
idx = get_token (idx, in, name);
|
|
|
|
if (idx < in->len
|
|
|
|
&& in->ptr[idx] == kind
|
|
|
|
&& (! macro_mri || macro_strip_at)
|
|
|
|
&& (! macro_strip_at || kind == '@'))
|
|
|
|
idx++;
|
|
|
|
return idx;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Substitute the actual value for a formal parameter. */
|
|
|
|
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
static size_t
|
|
|
|
sub_actual (size_t start, sb *in, sb *t, struct hash_control *formal_hash,
|
2003-11-24 18:52:33 +01:00
|
|
|
int kind, sb *out, int copyifnotthere)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
size_t src;
|
1999-05-03 09:29:11 +02:00
|
|
|
formal_entry *ptr;
|
|
|
|
|
|
|
|
src = get_apost_token (start, in, t, kind);
|
|
|
|
/* See if it's in the macro's hash table, unless this is
|
|
|
|
macro_strip_at and kind is '@' and the token did not end in '@'. */
|
|
|
|
if (macro_strip_at
|
|
|
|
&& kind == '@'
|
|
|
|
&& (src == start || in->ptr[src - 1] != '@'))
|
|
|
|
ptr = NULL;
|
|
|
|
else
|
|
|
|
ptr = (formal_entry *) hash_find (formal_hash, sb_terminate (t));
|
|
|
|
if (ptr)
|
|
|
|
{
|
|
|
|
if (ptr->actual.len)
|
|
|
|
{
|
|
|
|
sb_add_sb (out, &ptr->actual);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
sb_add_sb (out, &ptr->def);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (kind == '&')
|
|
|
|
{
|
|
|
|
/* Doing this permits people to use & in macro bodies. */
|
|
|
|
sb_add_char (out, '&');
|
2003-06-02 17:03:20 +02:00
|
|
|
sb_add_sb (out, t);
|
2010-08-18 07:56:41 +02:00
|
|
|
if (src != start && in->ptr[src - 1] == '&')
|
|
|
|
sb_add_char (out, '&');
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
else if (copyifnotthere)
|
|
|
|
{
|
|
|
|
sb_add_sb (out, t);
|
|
|
|
}
|
2000-08-31 20:36:18 +02:00
|
|
|
else
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb_add_char (out, '\\');
|
|
|
|
sb_add_sb (out, t);
|
|
|
|
}
|
|
|
|
return src;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Expand the body of a macro. */
|
|
|
|
|
|
|
|
static const char *
|
2003-11-24 18:52:33 +01:00
|
|
|
macro_expand_body (sb *in, sb *out, formal_entry *formals,
|
2005-04-25 08:43:46 +02:00
|
|
|
struct hash_control *formal_hash, const macro_entry *macro)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb t;
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
size_t src = 0;
|
|
|
|
int inquote = 0, macro_line = 0;
|
1999-05-03 09:29:11 +02:00
|
|
|
formal_entry *loclist = NULL;
|
2005-04-25 08:43:46 +02:00
|
|
|
const char *err = NULL;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
sb_new (&t);
|
|
|
|
|
2005-04-25 08:43:46 +02:00
|
|
|
while (src < in->len && !err)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
if (in->ptr[src] == '&')
|
|
|
|
{
|
|
|
|
sb_reset (&t);
|
|
|
|
if (macro_mri)
|
|
|
|
{
|
|
|
|
if (src + 1 < in->len && in->ptr[src + 1] == '&')
|
|
|
|
src = sub_actual (src + 2, in, &t, formal_hash, '\'', out, 1);
|
|
|
|
else
|
|
|
|
sb_add_char (out, in->ptr[src++]);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2017-01-23 16:23:07 +01:00
|
|
|
/* Permit macro parameter substitution delineated with
|
2010-08-18 07:56:41 +02:00
|
|
|
an '&' prefix and optional '&' suffix. */
|
1999-05-03 09:29:11 +02:00
|
|
|
src = sub_actual (src + 1, in, &t, formal_hash, '&', out, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (in->ptr[src] == '\\')
|
|
|
|
{
|
|
|
|
src++;
|
2005-04-11 14:46:38 +02:00
|
|
|
if (src < in->len && in->ptr[src] == '(')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Sub in till the next ')' literally. */
|
1999-05-03 09:29:11 +02:00
|
|
|
src++;
|
|
|
|
while (src < in->len && in->ptr[src] != ')')
|
|
|
|
{
|
|
|
|
sb_add_char (out, in->ptr[src++]);
|
|
|
|
}
|
2005-04-25 08:43:46 +02:00
|
|
|
if (src < in->len)
|
1999-05-03 09:29:11 +02:00
|
|
|
src++;
|
2005-04-25 08:43:46 +02:00
|
|
|
else if (!macro)
|
|
|
|
err = _("missing `)'");
|
1999-05-03 09:29:11 +02:00
|
|
|
else
|
2005-04-25 08:43:46 +02:00
|
|
|
as_bad_where (macro->file, macro->line + macro_line, _("missing `)'"));
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
2005-04-11 14:46:38 +02:00
|
|
|
else if (src < in->len && in->ptr[src] == '@')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Sub in the macro invocation number. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2016-07-01 13:35:01 +02:00
|
|
|
char buffer[12];
|
1999-05-03 09:29:11 +02:00
|
|
|
src++;
|
2000-05-01 16:01:06 +02:00
|
|
|
sprintf (buffer, "%d", macro_number);
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_string (out, buffer);
|
|
|
|
}
|
2005-04-11 14:46:38 +02:00
|
|
|
else if (src < in->len && in->ptr[src] == '&')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
/* This is a preprocessor variable name, we don't do them
|
2000-08-31 20:36:18 +02:00
|
|
|
here. */
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (out, '\\');
|
|
|
|
sb_add_char (out, '&');
|
|
|
|
src++;
|
|
|
|
}
|
2005-04-11 14:46:38 +02:00
|
|
|
else if (macro_mri && src < in->len && ISALNUM (in->ptr[src]))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
int ind;
|
|
|
|
formal_entry *f;
|
|
|
|
|
2001-09-19 07:33:36 +02:00
|
|
|
if (ISDIGIT (in->ptr[src]))
|
1999-05-03 09:29:11 +02:00
|
|
|
ind = in->ptr[src] - '0';
|
2001-09-19 07:33:36 +02:00
|
|
|
else if (ISUPPER (in->ptr[src]))
|
1999-05-03 09:29:11 +02:00
|
|
|
ind = in->ptr[src] - 'A' + 10;
|
|
|
|
else
|
|
|
|
ind = in->ptr[src] - 'a' + 10;
|
|
|
|
++src;
|
|
|
|
for (f = formals; f != NULL; f = f->next)
|
|
|
|
{
|
|
|
|
if (f->index == ind - 1)
|
|
|
|
{
|
|
|
|
if (f->actual.len != 0)
|
|
|
|
sb_add_sb (out, &f->actual);
|
|
|
|
else
|
|
|
|
sb_add_sb (out, &f->def);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
sb_reset (&t);
|
|
|
|
src = sub_actual (src, in, &t, formal_hash, '\'', out, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if ((macro_alternate || macro_mri)
|
2005-04-11 14:46:38 +02:00
|
|
|
&& is_name_beginner (in->ptr[src])
|
1999-05-03 09:29:11 +02:00
|
|
|
&& (! inquote
|
|
|
|
|| ! macro_strip_at
|
|
|
|
|| (src > 0 && in->ptr[src - 1] == '@')))
|
|
|
|
{
|
2005-04-25 08:43:46 +02:00
|
|
|
if (! macro
|
1999-05-03 09:29:11 +02:00
|
|
|
|| src + 5 >= in->len
|
|
|
|
|| strncasecmp (in->ptr + src, "LOCAL", 5) != 0
|
2010-04-20 17:54:48 +02:00
|
|
|
|| ! ISWHITE (in->ptr[src + 5])
|
|
|
|
/* PR 11507: Skip keyword LOCAL if it is found inside a quoted string. */
|
|
|
|
|| inquote)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb_reset (&t);
|
|
|
|
src = sub_actual (src, in, &t, formal_hash,
|
|
|
|
(macro_strip_at && inquote) ? '@' : '\'',
|
|
|
|
out, 1);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
src = sb_skip_white (src + 5, in);
|
2002-12-02 16:42:15 +01:00
|
|
|
while (in->ptr[src] != '\n')
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2005-04-25 08:43:46 +02:00
|
|
|
const char *name;
|
2005-05-06 08:50:31 +02:00
|
|
|
formal_entry *f = new_formal ();
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
src = get_token (src, in, &f->name);
|
2005-04-25 08:43:46 +02:00
|
|
|
name = sb_terminate (&f->name);
|
|
|
|
if (! hash_find (formal_hash, name))
|
|
|
|
{
|
|
|
|
static int loccnt;
|
|
|
|
char buf[20];
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-04-25 08:43:46 +02:00
|
|
|
f->index = LOCAL_INDEX;
|
|
|
|
f->next = loclist;
|
|
|
|
loclist = f;
|
|
|
|
|
|
|
|
sprintf (buf, IS_ELF ? ".LL%04x" : "LL%04x", ++loccnt);
|
|
|
|
sb_add_string (&f->actual, buf);
|
|
|
|
|
|
|
|
err = hash_jam (formal_hash, name, f);
|
|
|
|
if (err != NULL)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
as_bad_where (macro->file,
|
|
|
|
macro->line + macro_line,
|
|
|
|
_("`%s' was already used as parameter (or another local) name"),
|
|
|
|
name);
|
2005-05-06 08:50:31 +02:00
|
|
|
del_formal (f);
|
2005-04-25 08:43:46 +02:00
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
src = sb_skip_comma (src, in);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (in->ptr[src] == '"'
|
|
|
|
|| (macro_mri && in->ptr[src] == '\''))
|
|
|
|
{
|
|
|
|
inquote = !inquote;
|
|
|
|
sb_add_char (out, in->ptr[src++]);
|
|
|
|
}
|
|
|
|
else if (in->ptr[src] == '@' && macro_strip_at)
|
|
|
|
{
|
|
|
|
++src;
|
|
|
|
if (src < in->len
|
|
|
|
&& in->ptr[src] == '@')
|
|
|
|
{
|
|
|
|
sb_add_char (out, '@');
|
|
|
|
++src;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (macro_mri
|
|
|
|
&& in->ptr[src] == '='
|
|
|
|
&& src + 1 < in->len
|
|
|
|
&& in->ptr[src + 1] == '=')
|
|
|
|
{
|
|
|
|
formal_entry *ptr;
|
|
|
|
|
|
|
|
sb_reset (&t);
|
|
|
|
src = get_token (src + 2, in, &t);
|
|
|
|
ptr = (formal_entry *) hash_find (formal_hash, sb_terminate (&t));
|
|
|
|
if (ptr == NULL)
|
|
|
|
{
|
|
|
|
/* FIXME: We should really return a warning string here,
|
2013-01-10 18:11:17 +01:00
|
|
|
but we can't, because the == might be in the MRI
|
|
|
|
comment field, and, since the nature of the MRI
|
|
|
|
comment field depends upon the exact instruction
|
|
|
|
being used, we don't have enough information here to
|
|
|
|
figure out whether it is or not. Instead, we leave
|
|
|
|
the == in place, which should cause a syntax error if
|
|
|
|
it is not in a comment. */
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (out, '=');
|
|
|
|
sb_add_char (out, '=');
|
|
|
|
sb_add_sb (out, &t);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (ptr->actual.len)
|
|
|
|
{
|
|
|
|
sb_add_string (out, "-1");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
sb_add_char (out, '0');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2005-04-25 08:43:46 +02:00
|
|
|
if (in->ptr[src] == '\n')
|
|
|
|
++macro_line;
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_add_char (out, in->ptr[src++]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
sb_kill (&t);
|
|
|
|
|
|
|
|
while (loclist != NULL)
|
|
|
|
{
|
|
|
|
formal_entry *f;
|
2008-08-11 09:40:22 +02:00
|
|
|
const char *name;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
f = loclist->next;
|
2008-08-11 09:40:22 +02:00
|
|
|
name = sb_terminate (&loclist->name);
|
|
|
|
hash_delete (formal_hash, name, f == NULL);
|
2005-05-06 08:50:31 +02:00
|
|
|
del_formal (loclist);
|
1999-05-03 09:29:11 +02:00
|
|
|
loclist = f;
|
|
|
|
}
|
|
|
|
|
2005-04-25 08:43:46 +02:00
|
|
|
return err;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Assign values to the formal parameters of a macro, and expand the
|
|
|
|
body. */
|
|
|
|
|
|
|
|
static const char *
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
macro_expand (size_t idx, sb *in, macro_entry *m, sb *out)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb t;
|
|
|
|
formal_entry *ptr;
|
|
|
|
formal_entry *f;
|
|
|
|
int is_keyword = 0;
|
|
|
|
int narg = 0;
|
2005-05-06 08:50:31 +02:00
|
|
|
const char *err = NULL;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
sb_new (&t);
|
2000-08-31 20:36:18 +02:00
|
|
|
|
|
|
|
/* Reset any old value the actuals may have. */
|
1999-05-03 09:29:11 +02:00
|
|
|
for (f = m->formals; f; f = f->next)
|
2000-08-31 20:36:18 +02:00
|
|
|
sb_reset (&f->actual);
|
1999-05-03 09:29:11 +02:00
|
|
|
f = m->formals;
|
|
|
|
while (f != NULL && f->index < 0)
|
|
|
|
f = f->next;
|
|
|
|
|
|
|
|
if (macro_mri)
|
|
|
|
{
|
|
|
|
/* The macro may be called with an optional qualifier, which may
|
2013-01-10 18:11:17 +01:00
|
|
|
be referred to in the macro body as \0. */
|
1999-05-03 09:29:11 +02:00
|
|
|
if (idx < in->len && in->ptr[idx] == '.')
|
2002-05-03 04:25:33 +02:00
|
|
|
{
|
|
|
|
/* The Microtec assembler ignores this if followed by a white space.
|
|
|
|
(Macro invocation with empty extension) */
|
|
|
|
idx++;
|
|
|
|
if ( idx < in->len
|
|
|
|
&& in->ptr[idx] != ' '
|
|
|
|
&& in->ptr[idx] != '\t')
|
|
|
|
{
|
2005-05-06 08:50:31 +02:00
|
|
|
formal_entry *n = new_formal ();
|
2002-05-03 04:25:33 +02:00
|
|
|
|
|
|
|
n->index = QUAL_INDEX;
|
|
|
|
|
|
|
|
n->next = m->formals;
|
|
|
|
m->formals = n;
|
|
|
|
|
2005-05-10 09:48:24 +02:00
|
|
|
idx = get_any_string (idx, in, &n->actual);
|
2002-05-03 04:25:33 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Peel off the actuals and store them away in the hash tables' actuals. */
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = sb_skip_white (idx, in);
|
2002-12-02 16:42:15 +01:00
|
|
|
while (idx < in->len)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
size_t scan;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Look and see if it's a positional or keyword arg. */
|
1999-05-03 09:29:11 +02:00
|
|
|
scan = idx;
|
|
|
|
while (scan < in->len
|
|
|
|
&& !ISSEP (in->ptr[scan])
|
|
|
|
&& !(macro_mri && in->ptr[scan] == '\'')
|
|
|
|
&& (!macro_alternate && in->ptr[scan] != '='))
|
|
|
|
scan++;
|
|
|
|
if (scan < in->len && !macro_alternate && in->ptr[scan] == '=')
|
|
|
|
{
|
|
|
|
is_keyword = 1;
|
|
|
|
|
|
|
|
/* It's OK to go from positional to keyword. */
|
|
|
|
|
|
|
|
/* This is a keyword arg, fetch the formal name and
|
2000-08-31 20:36:18 +02:00
|
|
|
then the actual stuff. */
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_reset (&t);
|
|
|
|
idx = get_token (idx, in, &t);
|
|
|
|
if (in->ptr[idx] != '=')
|
2005-05-06 08:50:31 +02:00
|
|
|
{
|
|
|
|
err = _("confusion in formal parameters");
|
|
|
|
break;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Lookup the formal in the macro's list. */
|
1999-05-03 09:29:11 +02:00
|
|
|
ptr = (formal_entry *) hash_find (m->formal_hash, sb_terminate (&t));
|
|
|
|
if (!ptr)
|
2010-07-23 08:44:25 +02:00
|
|
|
{
|
|
|
|
as_bad (_("Parameter named `%s' does not exist for macro `%s'"),
|
|
|
|
t.ptr,
|
|
|
|
m->name);
|
|
|
|
sb_reset (&t);
|
|
|
|
idx = get_any_string (idx + 1, in, &t);
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
else
|
|
|
|
{
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Insert this value into the right place. */
|
2005-05-06 08:50:31 +02:00
|
|
|
if (ptr->actual.len)
|
|
|
|
{
|
|
|
|
as_warn (_("Value for parameter `%s' of macro `%s' was already specified"),
|
|
|
|
ptr->name.ptr,
|
|
|
|
m->name);
|
|
|
|
sb_reset (&ptr->actual);
|
|
|
|
}
|
2005-05-10 09:48:24 +02:00
|
|
|
idx = get_any_string (idx + 1, in, &ptr->actual);
|
1999-05-03 09:29:11 +02:00
|
|
|
if (ptr->actual.len > 0)
|
|
|
|
++narg;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (is_keyword)
|
2005-05-06 08:50:31 +02:00
|
|
|
{
|
|
|
|
err = _("can't mix positional and keyword arguments");
|
|
|
|
break;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
if (!f)
|
|
|
|
{
|
|
|
|
formal_entry **pf;
|
|
|
|
int c;
|
|
|
|
|
|
|
|
if (!macro_mri)
|
2005-05-06 08:50:31 +02:00
|
|
|
{
|
|
|
|
err = _("too many positional arguments");
|
|
|
|
break;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-05-06 08:50:31 +02:00
|
|
|
f = new_formal ();
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
c = -1;
|
|
|
|
for (pf = &m->formals; *pf != NULL; pf = &(*pf)->next)
|
|
|
|
if ((*pf)->index >= c)
|
|
|
|
c = (*pf)->index + 1;
|
|
|
|
if (c == -1)
|
|
|
|
c = 0;
|
|
|
|
*pf = f;
|
|
|
|
f->index = c;
|
|
|
|
}
|
|
|
|
|
2005-05-06 08:50:31 +02:00
|
|
|
if (f->type != FORMAL_VARARG)
|
2005-05-10 09:48:24 +02:00
|
|
|
idx = get_any_string (idx, in, &f->actual);
|
2005-05-06 08:50:31 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
sb_add_buffer (&f->actual, in->ptr + idx, in->len - idx);
|
|
|
|
idx = in->len;
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
if (f->actual.len > 0)
|
|
|
|
++narg;
|
|
|
|
do
|
|
|
|
{
|
|
|
|
f = f->next;
|
|
|
|
}
|
|
|
|
while (f != NULL && f->index < 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (! macro_mri)
|
|
|
|
idx = sb_skip_comma (idx, in);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (in->ptr[idx] == ',')
|
|
|
|
++idx;
|
|
|
|
if (ISWHITE (in->ptr[idx]))
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-05-06 08:50:31 +02:00
|
|
|
if (! err)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2005-05-06 08:50:31 +02:00
|
|
|
for (ptr = m->formals; ptr; ptr = ptr->next)
|
|
|
|
{
|
|
|
|
if (ptr->type == FORMAL_REQUIRED && ptr->actual.len == 0)
|
|
|
|
as_bad (_("Missing value for required parameter `%s' of macro `%s'"),
|
|
|
|
ptr->name.ptr,
|
|
|
|
m->name);
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-05-06 08:50:31 +02:00
|
|
|
if (macro_mri)
|
|
|
|
{
|
|
|
|
char buffer[20];
|
|
|
|
|
|
|
|
sb_reset (&t);
|
|
|
|
sb_add_string (&t, macro_strip_at ? "$NARG" : "NARG");
|
|
|
|
ptr = (formal_entry *) hash_find (m->formal_hash, sb_terminate (&t));
|
|
|
|
sprintf (buffer, "%d", narg);
|
|
|
|
sb_add_string (&ptr->actual, buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
err = macro_expand_body (&m->sub, out, m->formals, m->formal_hash, m);
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
/* Discard any unnamed formal arguments. */
|
|
|
|
if (macro_mri)
|
|
|
|
{
|
|
|
|
formal_entry **pf;
|
|
|
|
|
|
|
|
pf = &m->formals;
|
|
|
|
while (*pf != NULL)
|
|
|
|
{
|
|
|
|
if ((*pf)->name.len != 0)
|
|
|
|
pf = &(*pf)->next;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
f = (*pf)->next;
|
2005-05-06 08:50:31 +02:00
|
|
|
del_formal (*pf);
|
1999-05-03 09:29:11 +02:00
|
|
|
*pf = f;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
sb_kill (&t);
|
2005-04-25 08:43:46 +02:00
|
|
|
if (!err)
|
|
|
|
macro_number++;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2005-04-25 08:43:46 +02:00
|
|
|
return err;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Check for a macro. If one is found, put the expansion into
|
2002-12-02 16:42:15 +01:00
|
|
|
*EXPAND. Return 1 if a macro is found, 0 otherwise. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
int
|
2003-11-24 18:52:33 +01:00
|
|
|
check_macro (const char *line, sb *expand,
|
|
|
|
const char **error, macro_entry **info)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
const char *s;
|
2009-12-11 14:42:17 +01:00
|
|
|
char *copy, *cls;
|
1999-05-03 09:29:11 +02:00
|
|
|
macro_entry *macro;
|
|
|
|
sb line_sb;
|
|
|
|
|
2005-04-11 14:46:38 +02:00
|
|
|
if (! is_name_beginner (*line)
|
1999-05-03 09:29:11 +02:00
|
|
|
&& (! macro_mri || *line != '.'))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
s = line + 1;
|
2005-04-11 14:46:38 +02:00
|
|
|
while (is_part_of_name (*s))
|
|
|
|
++s;
|
|
|
|
if (is_name_ender (*s))
|
1999-05-03 09:29:11 +02:00
|
|
|
++s;
|
|
|
|
|
2016-03-28 11:49:15 +02:00
|
|
|
copy = xmemdup0 (line, s - line);
|
2009-12-11 14:42:17 +01:00
|
|
|
for (cls = copy; *cls != '\0'; cls ++)
|
|
|
|
*cls = TOLOWER (*cls);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
macro = (macro_entry *) hash_find (macro_hash, copy);
|
2016-03-21 17:31:46 +01:00
|
|
|
free (copy);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
if (macro == NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Wrap the line up in an sb. */
|
|
|
|
sb_new (&line_sb);
|
|
|
|
while (*s != '\0' && *s != '\n' && *s != '\r')
|
|
|
|
sb_add_char (&line_sb, *s++);
|
|
|
|
|
|
|
|
sb_new (expand);
|
2002-12-02 16:42:15 +01:00
|
|
|
*error = macro_expand (0, &line_sb, macro, expand);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
sb_kill (&line_sb);
|
|
|
|
|
2000-08-31 20:36:18 +02:00
|
|
|
/* Export the macro information if requested. */
|
2000-03-26 16:47:33 +02:00
|
|
|
if (info)
|
|
|
|
*info = macro;
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Delete a macro. */
|
|
|
|
|
|
|
|
void
|
2003-11-24 18:52:33 +01:00
|
|
|
delete_macro (const char *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
2005-04-18 15:35:46 +02:00
|
|
|
char *copy;
|
|
|
|
size_t i, len;
|
|
|
|
macro_entry *macro;
|
|
|
|
|
|
|
|
len = strlen (name);
|
2016-04-06 22:26:46 +02:00
|
|
|
copy = XNEWVEC (char, len + 1);
|
2005-04-18 15:35:46 +02:00
|
|
|
for (i = 0; i < len; ++i)
|
|
|
|
copy[i] = TOLOWER (name[i]);
|
|
|
|
copy[i] = '\0';
|
|
|
|
|
2008-08-11 09:40:22 +02:00
|
|
|
/* We can only ask hash_delete to free memory if we are deleting
|
|
|
|
macros in reverse order to their definition.
|
|
|
|
So just clear out the entry. */
|
2009-09-11 17:27:38 +02:00
|
|
|
if ((macro = (macro_entry *) hash_find (macro_hash, copy)) != NULL)
|
2005-04-18 15:35:46 +02:00
|
|
|
{
|
|
|
|
hash_jam (macro_hash, copy, NULL);
|
|
|
|
free_macro (macro);
|
|
|
|
}
|
|
|
|
else
|
2017-01-23 16:23:07 +01:00
|
|
|
as_warn (_("Attempt to purge non-existing macro `%s'"), copy);
|
2016-03-21 17:31:46 +01:00
|
|
|
free (copy);
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Handle the MRI IRP and IRPC pseudo-ops. These are handled as a
|
|
|
|
combined macro definition and execution. This returns NULL on
|
|
|
|
success, or an error message otherwise. */
|
|
|
|
|
|
|
|
const char *
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
expand_irp (int irpc, size_t idx, sb *in, sb *out, size_t (*get_line) (sb *))
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
sb sub;
|
|
|
|
formal_entry f;
|
|
|
|
struct hash_control *h;
|
|
|
|
const char *err;
|
|
|
|
|
|
|
|
idx = sb_skip_white (idx, in);
|
|
|
|
|
|
|
|
sb_new (&sub);
|
2005-01-31 15:30:34 +01:00
|
|
|
if (! buffer_and_nest (NULL, "ENDR", &sub, get_line))
|
1999-05-03 09:29:11 +02:00
|
|
|
return _("unexpected end of file in irp or irpc");
|
2000-08-31 20:36:18 +02:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_new (&f.name);
|
|
|
|
sb_new (&f.def);
|
|
|
|
sb_new (&f.actual);
|
|
|
|
|
|
|
|
idx = get_token (idx, in, &f.name);
|
|
|
|
if (f.name.len == 0)
|
|
|
|
return _("missing model parameter");
|
|
|
|
|
|
|
|
h = hash_new ();
|
|
|
|
err = hash_jam (h, sb_terminate (&f.name), &f);
|
|
|
|
if (err != NULL)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
f.index = 1;
|
|
|
|
f.next = NULL;
|
2005-05-06 08:50:31 +02:00
|
|
|
f.type = FORMAL_OPTIONAL;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
sb_reset (out);
|
|
|
|
|
|
|
|
idx = sb_skip_comma (idx, in);
|
2002-12-02 16:42:15 +01:00
|
|
|
if (idx >= in->len)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
/* Expand once with a null string. */
|
2002-12-02 16:42:15 +01:00
|
|
|
err = macro_expand_body (&sub, out, &f, h, 0);
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2007-01-12 11:57:02 +01:00
|
|
|
bfd_boolean in_quotes = FALSE;
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
if (irpc && in->ptr[idx] == '"')
|
2007-01-12 11:57:02 +01:00
|
|
|
{
|
|
|
|
in_quotes = TRUE;
|
|
|
|
++idx;
|
|
|
|
}
|
|
|
|
|
2002-12-02 16:42:15 +01:00
|
|
|
while (idx < in->len)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
if (!irpc)
|
2005-05-10 09:48:24 +02:00
|
|
|
idx = get_any_string (idx, in, &f.actual);
|
1999-05-03 09:29:11 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
if (in->ptr[idx] == '"')
|
|
|
|
{
|
PR gas/14201
* sb.h (sb_max_power_two): Delete.
(struct sb): Delete "item" and "pot". Make "len" a size_t. Add "max".
(sb_element): Delete.
(sb_add_char, sb_add_buffer, sb_skip_comma, sb_skip_write): Update
prototypes.
* sb.c (string_count, free_list): Delete.
(sb_build, sb_kill, sb_check): Rewrite.
(scrub_from_sb, sb_add_char, sb_add_string, sb_add_buffer,
sb_skip_white, sb_skip_comma): Replace assorted int params,
vars and return types with size_t.
* input-scrub.c: Likewise.
* macro.c: Likewise.
* macro.h: Likewise.
* as.c: Likewise.
* as.h: Likewise.
* input-file.h: Likewise.
* input-file.c: Likewise.
* read.c: Likewise.
* app.c: ..or ptrdiff_t.
* input-file.c (input_file_get): Use ferror.
(input_file_give_next_buffer): Use input_file_get.
2012-06-07 14:47:23 +02:00
|
|
|
size_t nxt;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
2007-01-12 11:57:02 +01:00
|
|
|
if (irpc)
|
|
|
|
in_quotes = ! in_quotes;
|
2013-01-10 18:11:17 +01:00
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
nxt = sb_skip_white (idx + 1, in);
|
2002-12-02 16:42:15 +01:00
|
|
|
if (nxt >= in->len)
|
1999-05-03 09:29:11 +02:00
|
|
|
{
|
|
|
|
idx = nxt;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
sb_reset (&f.actual);
|
|
|
|
sb_add_char (&f.actual, in->ptr[idx]);
|
|
|
|
++idx;
|
|
|
|
}
|
2007-01-12 11:57:02 +01:00
|
|
|
|
2002-12-02 16:42:15 +01:00
|
|
|
err = macro_expand_body (&sub, out, &f, h, 0);
|
1999-05-03 09:29:11 +02:00
|
|
|
if (err != NULL)
|
2005-04-25 08:43:46 +02:00
|
|
|
break;
|
1999-05-03 09:29:11 +02:00
|
|
|
if (!irpc)
|
|
|
|
idx = sb_skip_comma (idx, in);
|
2007-01-12 11:57:02 +01:00
|
|
|
else if (! in_quotes)
|
1999-05-03 09:29:11 +02:00
|
|
|
idx = sb_skip_white (idx, in);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
hash_die (h);
|
2005-05-06 08:50:31 +02:00
|
|
|
sb_kill (&f.actual);
|
|
|
|
sb_kill (&f.def);
|
|
|
|
sb_kill (&f.name);
|
1999-05-03 09:29:11 +02:00
|
|
|
sb_kill (&sub);
|
|
|
|
|
2005-04-25 08:43:46 +02:00
|
|
|
return err;
|
1999-05-03 09:29:11 +02:00
|
|
|
}
|