/* YACC parser for Fortran expressions, for GDB.
- Copyright 1986, 1989, 1990, 1991, 1993, 1994, 1995, 1996, 2000, 2001
+ Copyright (C) 1986, 1989, 1990, 1991, 1993, 1994, 1995, 1996, 2000, 2001,
+ 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Motorola. Adapted from the C parser by Farooq Butt
(fmbutt@engage.sps.mot.com).
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* 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>
+#define parse_type builtin_type (parse_gdbarch)
+#define parse_f_type builtin_f_type (parse_gdbarch)
+
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
yacc generated parsers in gdb. Note that these are only the variables
%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.
/* Special type cases, put in to allow the parser to distinguish different
legal basetypes. */
%token INT_KEYWORD INT_S2_KEYWORD LOGICAL_S1_KEYWORD LOGICAL_S2_KEYWORD
+%token LOGICAL_S8_KEYWORD
%token LOGICAL_KEYWORD REAL_KEYWORD REAL_S8_KEYWORD REAL_S16_KEYWORD
%token COMPLEX_S8_KEYWORD COMPLEX_S16_KEYWORD COMPLEX_S32_KEYWORD
%token BOOL_AND BOOL_OR BOOL_NOT
%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
{ }
;
exp : '(' complexnum ')'
- { write_exp_elt_opcode(OP_COMPLEX); }
+ { write_exp_elt_opcode(OP_COMPLEX);
+ write_exp_elt_type (parse_f_type->builtin_complex_s16);
+ write_exp_elt_opcode(OP_COMPLEX); }
;
exp : '(' type ')' exp %prec UNARY
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); }
;
exp : FLOAT
{ write_exp_elt_opcode (OP_DOUBLE);
- write_exp_elt_type (builtin_type_f_real_s8);
+ write_exp_elt_type (parse_f_type->builtin_real_s8);
write_exp_elt_dblcst ($1);
write_exp_elt_opcode (OP_DOUBLE); }
;
exp : SIZEOF '(' type ')' %prec UNARY
{ write_exp_elt_opcode (OP_LONG);
- write_exp_elt_type (builtin_type_f_integer);
+ write_exp_elt_type (parse_f_type->builtin_integer);
CHECK_TYPEDEF ($3);
write_exp_elt_longcst ((LONGEST) TYPE_LENGTH ($3));
write_exp_elt_opcode (OP_LONG); }
{
if (symbol_read_needs_frame (sym))
{
- if (innermost_block == 0 ||
- contained_in (block_found,
- innermost_block))
+ if (innermost_block == 0
+ || contained_in (block_found,
+ innermost_block))
innermost_block = block_found;
}
write_exp_elt_opcode (OP_VAR_VALUE);
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);
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 \"file\" command.");
else
{
range_type =
create_range_type ((struct type *) NULL,
- builtin_type_f_integer, 0,
- array_size - 1);
+ parse_f_type->builtin_integer,
+ 0, array_size - 1);
follow_type =
create_array_type ((struct type *) NULL,
follow_type, range_type);
func_mod: '(' ')'
{ $$ = 0; }
| '(' nonempty_typelist ')'
- { free ((PTR)$2); $$ = 0; }
+ { free ($2); $$ = 0; }
;
typebase /* Implements (approximately): (type-qualifier)* type-specifier */
: TYPENAME
{ $$ = $1.type; }
| INT_KEYWORD
- { $$ = builtin_type_f_integer; }
+ { $$ = parse_f_type->builtin_integer; }
| INT_S2_KEYWORD
- { $$ = builtin_type_f_integer_s2; }
+ { $$ = parse_f_type->builtin_integer_s2; }
| CHARACTER
- { $$ = builtin_type_f_character; }
+ { $$ = parse_f_type->builtin_character; }
+ | LOGICAL_S8_KEYWORD
+ { $$ = parse_f_type->builtin_logical_s8; }
| LOGICAL_KEYWORD
- { $$ = builtin_type_f_logical;}
+ { $$ = parse_f_type->builtin_logical; }
| LOGICAL_S2_KEYWORD
- { $$ = builtin_type_f_logical_s2;}
+ { $$ = parse_f_type->builtin_logical_s2; }
| LOGICAL_S1_KEYWORD
- { $$ = builtin_type_f_logical_s1;}
+ { $$ = parse_f_type->builtin_logical_s1; }
| REAL_KEYWORD
- { $$ = builtin_type_f_real;}
+ { $$ = parse_f_type->builtin_real; }
| REAL_S8_KEYWORD
- { $$ = builtin_type_f_real_s8;}
+ { $$ = parse_f_type->builtin_real_s8; }
| REAL_S16_KEYWORD
- { $$ = builtin_type_f_real_s16;}
+ { $$ = parse_f_type->builtin_real_s16; }
| COMPLEX_S8_KEYWORD
- { $$ = builtin_type_f_complex_s8;}
+ { $$ = parse_f_type->builtin_complex_s8; }
| COMPLEX_S16_KEYWORD
- { $$ = builtin_type_f_complex_s16;}
+ { $$ = parse_f_type->builtin_complex_s16; }
| COMPLEX_S32_KEYWORD
- { $$ = builtin_type_f_complex_s32;}
- ;
-
-typename: TYPENAME
+ { $$ = parse_f_type->builtin_complex_s32; }
;
nonempty_typelist
;
name : NAME
- { $$ = $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 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;
target int size is different to the target long size.
In the expression below, we could have tested
- (n >> TARGET_INT_BIT)
+ (n >> gdbarch_int_bit (parse_gdbarch))
to see if it was zero,
but too many compilers warn about that, when ints and longs
are the same size. So we shift it twice, with fewer bits
each time, for the same result. */
- if ((TARGET_INT_BIT != TARGET_LONG_BIT
- && ((n >> 2) >> (TARGET_INT_BIT-2))) /* Avoid shift warning */
+ if ((gdbarch_int_bit (parse_gdbarch) != gdbarch_long_bit (parse_gdbarch)
+ && ((n >> 2)
+ >> (gdbarch_int_bit (parse_gdbarch)-2))) /* Avoid shift warning */
|| long_p)
{
- high_bit = ((ULONGEST)1) << (TARGET_LONG_BIT-1);
- unsigned_type = builtin_type_unsigned_long;
- signed_type = builtin_type_long;
+ high_bit = ((ULONGEST)1) << (gdbarch_long_bit (parse_gdbarch)-1);
+ unsigned_type = parse_type->builtin_unsigned_long;
+ signed_type = parse_type->builtin_long;
}
else
{
- high_bit = ((ULONGEST)1) << (TARGET_INT_BIT-1);
- unsigned_type = builtin_type_unsigned_int;
- signed_type = builtin_type_int;
+ high_bit = ((ULONGEST)1) << (gdbarch_int_bit (parse_gdbarch)-1);
+ unsigned_type = parse_type->builtin_unsigned_int;
+ signed_type = parse_type->builtin_int;
}
putithere->typed_val.val = n;
{ "integer_2", INT_S2_KEYWORD, BINOP_END },
{ "logical_1", LOGICAL_S1_KEYWORD, BINOP_END },
{ "logical_2", LOGICAL_S2_KEYWORD, BINOP_END },
+ { "logical_8", LOGICAL_S8_KEYWORD, BINOP_END },
{ "complex_8", COMPLEX_S8_KEYWORD, BINOP_END },
{ "integer", INT_KEYWORD, BINOP_END },
{ "logical", LOGICAL_KEYWORD, BINOP_END },
{
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,
- current_language->la_language == language_cplus
- ? &is_a_field_of_this : NULL,
- NULL);
+ VAR_DOMAIN,
+ parse_language->la_language == language_cplus
+ ? &is_a_field_of_this : NULL);
if (sym && SYMBOL_CLASS (sym) == LOC_TYPEDEF)
{
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 (parse_language,
+ parse_gdbarch, tmp);
+ if (yylval.tsym.type != NULL)
return TYPENAME;
/* Input names that aren't symbols but ARE valid hex numbers,