/* YACC grammar for Modula-2 expressions, for GDB.
- Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1995
- Free Software Foundation, Inc.
+ Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999,
+ 2000, 2007, 2008 Free Software Foundation, Inc.
Generated from expread.y (now c-exp.y) and contributed by the Department
of Computer Science at the State University of New York at Buffalo, 1991.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* Parse a Modula-2 expression from text in a string,
and return the result as a struct expression pointer.
#include "bfd.h" /* Required by objfiles.h. */
#include "symfile.h" /* Required by objfiles.h. */
#include "objfiles.h" /* For have_full_symbols and have_partial_symbols */
+#include "block.h"
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
#define yylloc m2_lloc
#define yyreds m2_reds /* With YYDEBUG defined */
#define yytoks m2_toks /* With YYDEBUG defined */
+#define yyname m2_name /* With YYDEBUG defined */
+#define yyrule m2_rule /* With YYDEBUG defined */
#define yylhs m2_yylhs
#define yylen m2_yylen
#define yydefred m2_yydefred
#define yycheck m2_yycheck
#ifndef YYDEBUG
-#define YYDEBUG 0 /* Default to no yydebug support */
+#define YYDEBUG 1 /* Default to yydebug support */
#endif
+#define YYFPRINTF parser_fprintf
+
int yyparse (void);
static int yylex (void);
%token <sval> TYPENAME
%token SIZE CAP ORD HIGH ABS MIN_FUNC MAX_FUNC FLOAT_FUNC VAL CHR ODD TRUNC
+%token TSIZE
%token INC DEC INCL EXCL
/* The GDB scope operator */
exp : exp '^' %prec UNARY
{ write_exp_elt_opcode (UNOP_IND); }
+ ;
exp : '-'
{ number_sign = -1; }
{ write_exp_elt_opcode (UNOP_TRUNC); }
;
+exp : TSIZE '(' exp ')'
+ { write_exp_elt_opcode (UNOP_SIZEOF); }
+ ;
+
exp : SIZE exp %prec UNARY
{ write_exp_elt_opcode (UNOP_SIZEOF); }
;
exp : EXCL '(' exp ',' exp ')'
{ error("Sets are not implemented.");}
+ ;
set : '{' arglist '}'
{ error("Sets are not implemented.");}
write_exp_elt_opcode (MULTI_SUBSCRIPT); }
;
+exp : exp '[' exp ']'
+ { write_exp_elt_opcode (BINOP_SUBSCRIPT); }
+ ;
+
exp : exp '('
/* This is to save the value of arglist_len
being accumulated by an outer function call. */
fblock : BLOCKNAME
{ struct symbol *sym
= lookup_symbol (copy_name ($1), expression_context_block,
- VAR_NAMESPACE, 0, NULL);
+ VAR_DOMAIN, 0);
$$ = sym;}
;
fblock : block COLONCOLON BLOCKNAME
{ struct symbol *tem
= lookup_symbol (copy_name ($3), $1,
- VAR_NAMESPACE, 0, NULL);
+ VAR_DOMAIN, 0);
if (!tem || SYMBOL_CLASS (tem) != LOC_BLOCK)
error ("No function \"%s\" in specified context.",
copy_name ($3));
variable: block COLONCOLON NAME
{ struct symbol *sym;
sym = lookup_symbol (copy_name ($3), $1,
- VAR_NAMESPACE, 0, NULL);
+ VAR_DOMAIN, 0);
if (sym == 0)
error ("No symbol \"%s\" in specified context.",
copy_name ($3));
sym = lookup_symbol (copy_name ($1),
expression_context_block,
- VAR_NAMESPACE,
- &is_a_field_of_this,
- NULL);
+ VAR_DOMAIN,
+ &is_a_field_of_this);
if (sym)
{
if (symbol_read_needs_frame (sym))
else
{
struct minimal_symbol *msymbol;
- register char *arg = copy_name ($1);
+ char *arg = copy_name ($1);
msymbol =
lookup_minimal_symbol (arg, NULL, NULL);
if (msymbol != NULL)
- {
- write_exp_msymbol
- (msymbol,
- lookup_function_type (builtin_type_int),
- builtin_type_int);
- }
+ write_exp_msymbol (msymbol);
else if (!have_full_symbols () && !have_partial_symbols ())
error ("No symbol table is loaded. Use the \"symbol-file\" command.");
else
parse_number (olen)
int olen;
{
- register char *p = lexptr;
- register LONGEST n = 0;
- register LONGEST prevn = 0;
- register int c,i,ischar=0;
- register int base = input_radix;
- register int len = olen;
+ char *p = lexptr;
+ LONGEST n = 0;
+ LONGEST prevn = 0;
+ int c,i,ischar=0;
+ int base = input_radix;
+ int len = olen;
int unsigned_p = number_sign == 1 ? 1 : 0;
if(p[len-1] == 'H')
{"SIZE", SIZE },
{"FLOAT", FLOAT_FUNC },
{"TRUNC", TRUNC },
+ {"TSIZE", SIZE },
};
static int
yylex ()
{
- register int c;
- register int namelen;
- register int i;
- register char *tokstart;
- register char quote;
+ int c;
+ int namelen;
+ int i;
+ char *tokstart;
+ char quote;
retry:
+ prev_lexptr = lexptr;
+
tokstart = lexptr;
/* See if it is a special token of length 2 */
for( i = 0 ; i < (int) (sizeof tokentab2 / sizeof tokentab2[0]) ; i++)
- if(STREQN(tokentab2[i].name, tokstart, 2))
+ if (strncmp (tokentab2[i].name, tokstart, 2) == 0)
{
lexptr += 2;
return tokentab2[i].token;
{
/* It's a number. */
int got_dot = 0, got_e = 0;
- register char *p = tokstart;
+ char *p = tokstart;
int toktype;
for (++p ;; ++p)
/* Lookup special keywords */
for(i = 0 ; i < (int) (sizeof(keytab) / sizeof(keytab[0])) ; i++)
- if(namelen == strlen(keytab[i].keyw) && STREQN(tokstart,keytab[i].keyw,namelen))
+ if (namelen == strlen (keytab[i].keyw)
+ && strncmp (tokstart, keytab[i].keyw, namelen) == 0)
return keytab[i].token;
yylval.sval.ptr = tokstart;
if (lookup_partial_symtab (tmp))
return BLOCKNAME;
- sym = lookup_symbol (tmp, expression_context_block,
- VAR_NAMESPACE, 0, NULL);
+ sym = lookup_symbol (tmp, expression_context_block, VAR_DOMAIN, 0);
if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
return BLOCKNAME;
if (lookup_typename (copy_name (yylval.sval), expression_context_block, 1))
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
- case LOC_LOCAL_ARG:
- case LOC_BASEREG:
- case LOC_BASEREG_ARG:
case LOC_CONST:
case LOC_CONST_BYTES:
case LOC_OPTIMIZED_OUT:
+ case LOC_COMPUTED:
return NAME;
case LOC_TYPEDEF:
else
{
/* Built-in BOOLEAN type. This is sort of a hack. */
- if(STREQN(tokstart,"TRUE",4))
+ if (strncmp (tokstart, "TRUE", 4) == 0)
{
yylval.ulval = 1;
return M2_TRUE;
}
- else if(STREQN(tokstart,"FALSE",5))
+ else if (strncmp (tokstart, "FALSE", 5) == 0)
{
yylval.ulval = 0;
return M2_FALSE;
yyerror (msg)
char *msg;
{
+ if (prev_lexptr)
+ lexptr = prev_lexptr;
+
error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
}
projects / binutils.git / blobdiff