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Fixed some grammer ambiguities

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Better error reporting
sun3 support
This commit is contained in:
Steve Chamberlain
1991-04-03 22:03:55 +00:00
parent d008dd076c
commit 7ca04d280d
6 changed files with 135 additions and 193 deletions
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101
ld/ldgram.y
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@ -20,37 +20,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* $Id$
*
* $Log$
* Revision 1.1 1991/03/21 21:28:41 gumby
* Initial revision
*
* Revision 1.2 1991/03/16 22:27:24 rich
* fish
*
* Revision 1.1 1991/03/13 00:48:21 chrisb
* Initial revision
*
* Revision 1.6 1991/03/10 09:31:26 rich
* Modified Files:
* Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
* ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
* ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
* ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
* ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
*
* As of this round of changes, ld now builds on all hosts of (Intel960)
* interest and copy passes my copy test on big endian hosts again.
*
* Revision 1.5 1991/03/09 03:25:48 sac
* Can now parse the -Ur flag
*
* Revision 1.4 1991/03/06 02:26:01 sac
* Added support for constructor sections.
* Remove parsing ambiguity.
* Lint
*
* Revision 1.3 1991/02/22 17:15:13 sac
* Added RCS keywords and copyrights
*
*/
@ -113,10 +82,11 @@ char *current_file;
boolean ldgram_want_filename = true;
boolean had_script = false;
boolean force_make_executable = false;
boolean ldgram_mustbe_filename = false;
boolean ldgram_mustbe_symbolname = false;
boolean ldgram_has_inputfile = false;
boolean ldgram_in_expression = false;
boolean ldgram_in_defsym = false;
/* LOCALS */
@ -171,7 +141,9 @@ boolean ldgram_has_inputfile = false;
%token MEMORY
%token DSECT NOLOAD COPY INFO OVERLAY
%token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY
%token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_format
%token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S
%token OPTION_format OPTION_F
%token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X
%token OPTION_v OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT OPTION_defsym
%token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_A
@ -195,14 +167,7 @@ file: command_line { lang_final(); };
filename:
{
ldgram_mustbe_filename =true;
}
NAME
{
ldgram_mustbe_filename = false;
$$ = $2;
}
NAME;
command_line:
command_line command_line_option
@ -271,23 +236,23 @@ command_line_option:
{
/* Ignored */
}
| OPTION_dp
| OPTION_dp
{
command_line.force_common_definition = true;
}
| OPTION_format NAME
{
lang_add_target($2);
}
| OPTION_format NAME
{
lang_add_target($2);
}
| OPTION_Texp { hex_mode =true; }
exp_head
| OPTION_Texp { hex_mode =true; }
exp
{ lang_section_start($1, $3);
hex_mode = false; }
| OPTION_Aarch
| OPTION_Aarch
{ ldfile_add_arch($1); }
| OPTION_b NAME
| OPTION_b NAME
{
lang_add_target($2);
}
@ -295,6 +260,11 @@ command_line_option:
{
ldfile_add_library_path($1);
}
| OPTION_F
{
/* Ignore */
}
| ifile_p1
| input_list
| OPTION_c filename
@ -317,7 +287,15 @@ command_line_option:
lang_input_file_is_symbols_only_enum,
(char *)NULL);
}
| OPTION_defsym assignment_with_nospaces
| OPTION_defsym
{
ldgram_in_defsym = true;
}
assignment
{
ldgram_in_defsym = false;
}
;
@ -468,11 +446,6 @@ assign_op:
end: ';' | ','
;
assignment_with_nospaces:
{ ldgram_want_filename = false; }
assignment
{ ldgram_want_filename = true; }
;
assignment:
@ -663,14 +636,18 @@ opt_things:
;
exp_head:
{ ldgram_mustbe_symbolname = true; }
{
ldgram_in_expression = true;
}
exp
{ ldgram_mustbe_symbolname = false;
$$ = $2;
}
{
ldgram_in_expression = false;
$$ = $2;
}
;
opt_exp:
exp
exp_head
{ $$ = $1; }
| { $$= (etree_type *)NULL; }
;