/* YACC parser for C expressions, for GDB.
Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2003, 2004
+ 1998, 1999, 2000, 2003, 2004, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of GDB.
#include "charset.h"
#include "block.h"
#include "cp-support.h"
+#include "dfp.h"
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc),
as well as gratuitiously global symbol names, so we can have multiple
DOUBLEST dval;
struct type *type;
} typed_val_float;
+ struct {
+ gdb_byte val[16];
+ struct type *type;
+ } typed_val_decfloat;
struct symbol *sym;
struct type *tval;
struct stoken sval;
%token <typed_val_int> INT
%token <typed_val_float> FLOAT
+%token <typed_val_decfloat> DECFLOAT
/* Both NAME and TYPENAME tokens represent symbols in the input,
and both convey their data as strings.
write_exp_elt_opcode (OP_DOUBLE); }
;
+exp : DECFLOAT
+ { write_exp_elt_opcode (OP_DECFLOAT);
+ write_exp_elt_type ($1.type);
+ write_exp_elt_decfloatcst ($1.val);
+ write_exp_elt_opcode (OP_DECFLOAT); }
+ ;
+
exp : variable
;
{ free ($2); $$ = 0; }
;
-/* We used to try to recognize more pointer to member types here, but
+/* We used to try to recognize pointer to member types here, but
that didn't work (shift/reduce conflicts meant that these rules never
got executed). The problem is that
int (foo::bar::baz::bizzle)
is a pointer to member type. Stroustrup loses again! */
type : ptype
- | typebase COLONCOLON '*'
- { $$ = lookup_member_type (builtin_type (current_gdbarch)->builtin_int, $1); }
;
typebase /* Implements (approximately): (type-qualifier)* type-specifier */
char saved_char = p[len];
p[len] = 0; /* null-terminate the token */
- num = sscanf (p, DOUBLEST_FORMAT "%s",
+
+ /* If it ends at "df", "dd" or "dl", take it as type of decimal floating
+ point. Return DECFLOAT. */
+
+ if (p[len - 2] == 'd' && p[len - 1] == 'f')
+ {
+ p[len - 2] = '\0';
+ putithere->typed_val_decfloat.type
+ = builtin_type (current_gdbarch)->builtin_decfloat;
+ decimal_from_string (putithere->typed_val_decfloat.val, 4, p);
+ p[len] = saved_char;
+ return (DECFLOAT);
+ }
+
+ if (p[len - 2] == 'd' && p[len - 1] == 'd')
+ {
+ p[len - 2] = '\0';
+ putithere->typed_val_decfloat.type
+ = builtin_type (current_gdbarch)->builtin_decdouble;
+ decimal_from_string (putithere->typed_val_decfloat.val, 8, p);
+ p[len] = saved_char;
+ return (DECFLOAT);
+ }
+
+ if (p[len - 2] == 'd' && p[len - 1] == 'l')
+ {
+ p[len - 2] = '\0';
+ putithere->typed_val_decfloat.type
+ = builtin_type (current_gdbarch)->builtin_declong;
+ decimal_from_string (putithere->typed_val_decfloat.val, 16, p);
+ p[len] = saved_char;
+ return (DECFLOAT);
+ }
+
+ num = sscanf (p, "%" DOUBLEST_SCAN_FORMAT "%s",
&putithere->typed_val_float.dval, s);
p[len] = saved_char; /* restore the input stream */
putithere->typed_val_float.type =
builtin_type (current_gdbarch)->builtin_long_double;
else
- return ERROR;
+ {
+ free (s);
+ return ERROR;
+ }
}
+ free (s);
return FLOAT;
}
shift it right and see whether anything remains. Note that we
can't shift sizeof (LONGEST) * HOST_CHAR_BIT bits or more in one
operation, because many compilers will warn about such a shift
- (which always produces a zero result). Sometimes TARGET_INT_BIT
- or TARGET_LONG_BIT will be that big, sometimes not. To deal with
+ (which always produces a zero result). Sometimes gdbarch_int_bit
+ or gdbarch_long_bit will be that big, sometimes not. To deal with
the case where it is we just always shift the value more than
once, with fewer bits each time. */
un = (ULONGEST)n >> 2;
if (long_p == 0
- && (un >> (TARGET_INT_BIT - 2)) == 0)
+ && (un >> (gdbarch_int_bit (current_gdbarch) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (TARGET_INT_BIT-1);
+ high_bit = ((ULONGEST)1) << (gdbarch_int_bit (current_gdbarch) - 1);
/* A large decimal (not hex or octal) constant (between INT_MAX
and UINT_MAX) is a long or unsigned long, according to ANSI,
signed_type = builtin_type (current_gdbarch)->builtin_int;
}
else if (long_p <= 1
- && (un >> (TARGET_LONG_BIT - 2)) == 0)
+ && (un >> (gdbarch_long_bit (current_gdbarch) - 2)) == 0)
{
- high_bit = ((ULONGEST)1) << (TARGET_LONG_BIT-1);
+ high_bit = ((ULONGEST)1) << (gdbarch_long_bit (current_gdbarch) - 1);
unsigned_type = builtin_type (current_gdbarch)->builtin_unsigned_long;
signed_type = builtin_type (current_gdbarch)->builtin_long;
}
else
{
int shift;
- if (sizeof (ULONGEST) * HOST_CHAR_BIT < TARGET_LONG_LONG_BIT)
+ if (sizeof (ULONGEST) * HOST_CHAR_BIT
+ < gdbarch_long_long_bit (current_gdbarch))
/* A long long does not fit in a LONGEST. */
shift = (sizeof (ULONGEST) * HOST_CHAR_BIT - 1);
else
- shift = (TARGET_LONG_LONG_BIT - 1);
+ shift = (gdbarch_long_long_bit (current_gdbarch) - 1);
high_bit = (ULONGEST) 1 << shift;
unsigned_type = builtin_type (current_gdbarch)->builtin_unsigned_long_long;
signed_type = builtin_type (current_gdbarch)->builtin_long_long;
int tempbufindex;
static char *tempbuf;
static int tempbufsize;
- struct symbol * sym_class = NULL;
char * token_string = NULL;
int class_prefix = 0;
- int unquoted_expr;
retry:
}
prev_lexptr = lexptr;
- unquoted_expr = 1;
tokstart = lexptr;
/* See if it is a special token of length 3. */
if (namelen > 2)
{
lexptr = tokstart + namelen;
- unquoted_expr = 0;
if (lexptr[-1] != '\'')
error ("Unmatched single quote.");
namelen -= 2;
return VARIABLE;
}
- /* Look ahead and see if we can consume more of the input
- string to get a reasonable class/namespace spec or a
- fully-qualified name. This is a kludge to get around the
- HP aCC compiler's generation of symbol names with embedded
- colons for namespace and nested classes. */
-
- /* NOTE: carlton/2003-09-24: I don't entirely understand the
- HP-specific code, either here or in linespec. Having said that,
- I suspect that we're actually moving towards their model: we want
- symbols whose names are fully qualified, which matches the
- description above. */
- if (unquoted_expr)
- {
- /* Only do it if not inside single quotes */
- sym_class = parse_nested_classes_for_hpacc (yylval.sval.ptr, yylval.sval.length,
- &token_string, &class_prefix, &lexptr);
- if (sym_class)
- {
- /* Replace the current token with the bigger one we found */
- yylval.sval.ptr = token_string;
- yylval.sval.length = strlen (token_string);
- }
- }
-
/* Use token-type BLOCKNAME for symbols that happen to be defined as
functions or symtabs. If this is not so, then ...
Use token-type TYPENAME for symbols that happen to be defined
projects / deliverable / binutils-gdb.git / blobdiff