/* YACC parser for Fortran expressions, for GDB.
- Copyright 1986, 1989, 1990, 1991, 1993, 1994
- Free Software Foundation, Inc.
+ Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1995, 1996, 2000, 2001,
+ 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+
Contributed by Motorola. Adapted from the C parser by Farooq Butt
(fmbutt@engage.sps.mot.com).
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. */
/* This was blantantly ripped off the C expression parser, please
be aware of that as you look at its basic structure -FMB */
#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"
+#include <ctype.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 f_lloc
#define yyreds f_reds /* With YYDEBUG defined */
#define yytoks f_toks /* With YYDEBUG defined */
+#define yyname f_name /* With YYDEBUG defined */
+#define yyrule f_rule /* With YYDEBUG defined */
#define yylhs f_yylhs
#define yylen f_yylen
#define yydefred f_yydefred
#define yycheck f_yycheck
#ifndef YYDEBUG
-#define YYDEBUG 1 /* Default to no yydebug support */
+#define YYDEBUG 1 /* Default to yydebug support */
#endif
-int yyparse PARAMS ((void));
+#define YYFPRINTF parser_fprintf
+
+int yyparse (void);
-static int yylex PARAMS ((void));
+static int yylex (void);
-void yyerror PARAMS ((char *));
+void yyerror (char *);
-static void growbuf_by_size PARAMS ((int));
+static void growbuf_by_size (int);
-static int match_string_literal PARAMS ((void));
+static int match_string_literal (void);
%}
%{
/* YYSTYPE gets defined by %union */
-static int parse_number PARAMS ((char *, int, int, YYSTYPE *));
+static int parse_number (char *, int, int, YYSTYPE *);
%}
%type <voidval> exp type_exp start variable
%token <tsym> TYPENAME
%type <sval> name
%type <ssym> name_not_typename
-%type <tsym> typename
/* A NAME_OR_INT is a symbol which is not known in the symbol table,
but which would parse as a valid number in the current input radix.
%left LSH RSH
%left '@'
%left '+' '-'
-%left '*' '/' '%'
+%left '*' '/'
+%right STARSTAR
+%right '%'
%right UNARY
%right '('
/* Expressions, not including the comma operator. */
exp : '*' exp %prec UNARY
{ write_exp_elt_opcode (UNOP_IND); }
+ ;
exp : '&' exp %prec UNARY
{ write_exp_elt_opcode (UNOP_ADDR); }
+ ;
exp : '-' exp %prec UNARY
{ write_exp_elt_opcode (UNOP_NEG); }
{ arglist_len = 1; }
;
-arglist : substring
- { arglist_len = 2;}
+arglist : subrange
+ { arglist_len = 1; }
+ ;
arglist : arglist ',' exp %prec ABOVE_COMMA
{ arglist_len++; }
;
-substring: exp ':' exp %prec ABOVE_COMMA
- { }
+/* There are four sorts of subrange types in F90. */
+
+subrange: exp ':' exp %prec ABOVE_COMMA
+ { write_exp_elt_opcode (OP_F90_RANGE);
+ write_exp_elt_longcst (NONE_BOUND_DEFAULT);
+ write_exp_elt_opcode (OP_F90_RANGE); }
+ ;
+
+subrange: exp ':' %prec ABOVE_COMMA
+ { write_exp_elt_opcode (OP_F90_RANGE);
+ write_exp_elt_longcst (HIGH_BOUND_DEFAULT);
+ write_exp_elt_opcode (OP_F90_RANGE); }
;
+subrange: ':' exp %prec ABOVE_COMMA
+ { write_exp_elt_opcode (OP_F90_RANGE);
+ write_exp_elt_longcst (LOW_BOUND_DEFAULT);
+ write_exp_elt_opcode (OP_F90_RANGE); }
+ ;
+
+subrange: ':' %prec ABOVE_COMMA
+ { write_exp_elt_opcode (OP_F90_RANGE);
+ write_exp_elt_longcst (BOTH_BOUND_DEFAULT);
+ write_exp_elt_opcode (OP_F90_RANGE); }
+ ;
complexnum: exp ',' exp
{ }
write_exp_elt_opcode (UNOP_CAST); }
;
+exp : exp '%' name
+ { write_exp_elt_opcode (STRUCTOP_STRUCT);
+ write_exp_string ($3);
+ write_exp_elt_opcode (STRUCTOP_STRUCT); }
+ ;
+
/* Binary operators in order of decreasing precedence. */
exp : exp '@' exp
{ write_exp_elt_opcode (BINOP_REPEAT); }
;
+exp : exp STARSTAR exp
+ { write_exp_elt_opcode (BINOP_EXP); }
+ ;
+
exp : exp '*' exp
{ write_exp_elt_opcode (BINOP_MUL); }
;
{ write_exp_elt_opcode (BINOP_DIV); }
;
-exp : exp '%' exp
- { write_exp_elt_opcode (BINOP_REM); }
- ;
-
exp : exp '+' exp
{ write_exp_elt_opcode (BINOP_ADD); }
;
else
{
struct minimal_symbol *msymbol;
- register char *arg = copy_name ($1.stoken);
+ char *arg = copy_name ($1.stoken);
msymbol =
lookup_minimal_symbol (arg, NULL, NULL);
func_mod: '(' ')'
{ $$ = 0; }
| '(' nonempty_typelist ')'
- { free ((PTR)$2); $$ = 0; }
+ { free ($2); $$ = 0; }
;
typebase /* Implements (approximately): (type-qualifier)* type-specifier */
{ $$ = builtin_type_f_complex_s32;}
;
-typename: TYPENAME
- ;
-
nonempty_typelist
: type
{ $$ = (struct type **) malloc (sizeof (struct type *) * 2);
;
name : NAME
- { $$ = $1.stoken; }
- | TYPENAME
- { $$ = $1.stoken; }
- | NAME_OR_INT
- { $$ = $1.stoken; }
+ { $$ = $1.stoken; }
;
name_not_typename : NAME
static int
parse_number (p, len, parsed_float, putithere)
- register char *p;
- register int len;
+ char *p;
+ int len;
int parsed_float;
YYSTYPE *putithere;
{
- register LONGEST n = 0;
- register LONGEST prevn = 0;
- register int i;
- register int c;
- register int base = input_radix;
+ LONGEST n = 0;
+ LONGEST prevn = 0;
+ int c;
+ int base = input_radix;
int unsigned_p = 0;
int long_p = 0;
ULONGEST high_bit;
/* [dD] is not understood as an exponent by atof, change it to 'e'. */
char *tmp, *tmp2;
- tmp = strsave (p);
+ tmp = xstrdup (p);
for (tmp2 = tmp; *tmp2; ++tmp2)
if (*tmp2 == 'd' || *tmp2 == 'D')
*tmp2 = 'e';
while (len-- > 0)
{
c = *p++;
- if (c >= 'A' && c <= 'Z')
- c += 'a' - 'A';
- if (c != 'l' && c != 'u')
- n *= base;
- if (c >= '0' && c <= '9')
- n += i = c - '0';
+ if (isupper (c))
+ c = tolower (c);
+ if (len == 0 && c == 'l')
+ long_p = 1;
+ else if (len == 0 && c == 'u')
+ unsigned_p = 1;
else
{
- if (base > 10 && c >= 'a' && c <= 'f')
- n += i = c - 'a' + 10;
- else if (len == 0 && c == 'l')
- long_p = 1;
- else if (len == 0 && c == 'u')
- unsigned_p = 1;
+ int i;
+ if (c >= '0' && c <= '9')
+ i = c - '0';
+ else if (c >= 'a' && c <= 'f')
+ i = c - 'a' + 10;
else
return ERROR; /* Char not a digit */
+ if (i >= base)
+ return ERROR; /* Invalid digit in this base */
+ n *= base;
+ n += i;
}
- if (i >= base)
- return ERROR; /* Invalid digit in this base */
-
/* Portably test for overflow (only works for nonzero values, so make
a second check for zero). */
if ((prevn >= n) && n != 0)
char *tokstart;
retry:
-
+
+ prev_lexptr = lexptr;
+
tokstart = lexptr;
/* First of all, let us make sure we are not dealing with the
{
for (i = 0; boolean_values[i].name != NULL; i++)
{
- if STREQN (tokstart, boolean_values[i].name,
- strlen (boolean_values[i].name))
+ if (strncmp (tokstart, boolean_values[i].name,
+ strlen (boolean_values[i].name)) == 0)
{
lexptr += strlen (boolean_values[i].name);
yylval.lval = boolean_values[i].value;
}
}
- /* See if it is a special .foo. operator */
+ /* See if it is a special .foo. operator. */
for (i = 0; dot_ops[i].operator != NULL; i++)
- if (STREQN (tokstart, dot_ops[i].operator, strlen (dot_ops[i].operator)))
+ if (strncmp (tokstart, dot_ops[i].operator, strlen (dot_ops[i].operator)) == 0)
{
lexptr += strlen (dot_ops[i].operator);
yylval.opcode = dot_ops[i].opcode;
return dot_ops[i].token;
}
+ /* See if it is an exponentiation operator. */
+
+ if (strncmp (tokstart, "**", 2) == 0)
+ {
+ lexptr += 2;
+ yylval.opcode = BINOP_EXP;
+ return STARSTAR;
+ }
+
switch (c = *tokstart)
{
case 0:
{
/* It's a number. */
int got_dot = 0, got_e = 0, got_d = 0, toktype;
- register char *p = tokstart;
+ char *p = tokstart;
int hex = input_radix > 10;
if (c == '0' && (p[1] == 'x' || p[1] == 'X'))
/* Catch specific keywords. */
for (i = 0; f77_keywords[i].operator != NULL; i++)
- if (STREQN(tokstart, f77_keywords[i].operator,
- strlen(f77_keywords[i].operator)))
+ if (strncmp (tokstart, f77_keywords[i].operator,
+ strlen(f77_keywords[i].operator)) == 0)
{
/* lexptr += strlen(f77_keywords[i].operator); */
yylval.opcode = f77_keywords[i].opcode;
int hextype;
sym = lookup_symbol (tmp, expression_context_block,
- VAR_NAMESPACE,
+ VAR_DOMAIN,
current_language->la_language == language_cplus
? &is_a_field_of_this : NULL,
NULL);
yylval.tsym.type = SYMBOL_TYPE (sym);
return TYPENAME;
}
- if ((yylval.tsym.type = lookup_primitive_typename (tmp)) != 0)
+ yylval.tsym.type
+ = language_lookup_primitive_type_by_name (current_language,
+ current_gdbarch, tmp);
+ if (yylval.tsym.type != NULL)
return TYPENAME;
/* Input names that aren't symbols but ARE valid hex numbers,
yyerror (msg)
char *msg;
{
+ if (prev_lexptr)
+ lexptr = prev_lexptr;
+
error ("A %s in expression, near `%s'.", (msg ? msg : "error"), lexptr);
}
projects / deliverable / binutils-gdb.git / blobdiff