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ChangeLog eval.c valops.c

        * valops.c (typecmp): improve prototype matching when calling
        a method. Make 'p (*(ostream *) &cout) << "lll" ' to work.
        * eval.c(evalute_subexp): fix operator search problem when call
        like  p x.'operator+'(i).
This commit is contained in:
Kung Hsu 1993-11-17 18:07:58 +00:00
parent 38ee1de094
commit 4062025808
3 changed files with 69 additions and 22 deletions
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7
gdb/ChangeLog
View File

@ -1,3 +1,10 @@
Wed Nov 17 09:43:31 1993 Kung Hsu (kung@cirdan.cygnus.com)
* valops.c (typecmp): improve prototype matching when calling
a method. Make 'p (*(ostream *) &cout) << "lll" ' to work.
* eval.c(evalute_subexp): fix operator search problem when call
like p x.'operator+'(i).
Tue Nov 16 17:15:03 1993 Stu Grossman (grossman at cygnus.com)
* i386ly-nat.c, i386lynx-nat.c, m68kly-nat.c: Remove. Move

52
gdb/eval.c
View File

@ -24,6 +24,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "expression.h"
#include "target.h"
#include "frame.h"
#include "demangle.h"
#include "language.h" /* For CAST_IS_CONVERSION */
/* Values of NOSIDE argument to eval_subexp. */
@ -163,8 +164,8 @@ evaluate_subexp (expect_type, exp, pos, noside)
{
enum exp_opcode op;
int tem, tem2, tem3;
register int pc, pc2, oldpos;
register value arg1, arg2, arg3;
register int pc, pc2 = 0, oldpos;
register value arg1 = NULL, arg2 = NULL, arg3;
struct type *type;
int nargs;
value *argvec;
@ -202,7 +203,7 @@ evaluate_subexp (expect_type, exp, pos, noside)
goto nosideret;
if (noside == EVAL_AVOID_SIDE_EFFECTS)
{
struct symbol * sym = exp->elts[pc + 1].symbol;
struct symbol * sym = exp->elts[pc + 2].symbol;
enum lval_type lv;
switch (SYMBOL_CLASS (sym))
@ -416,19 +417,50 @@ evaluate_subexp (expect_type, exp, pos, noside)
{
int static_memfuncp;
value temp = arg2;
char tstr[15], mangle_tstr[15], *ptr, *mangle_ptr;
char *pp;
argvec[1] = arg2;
argvec[0] =
value_struct_elt (&temp, argvec+1, &exp->elts[pc2 + 2].string,
argvec[0] = 0;
strcpy(tstr, &exp->elts[pc2+2].string);
if (!strncmp(tstr, "operator", 8))
{
ptr = &tstr[8];
strcpy(mangle_tstr, "__");
mangle_ptr = &mangle_tstr[2];
pp = cplus_mangle_opname(ptr, DMGL_ANSI);
if (pp)
strcpy(mangle_ptr, pp);
else
strcpy(mangle_ptr, ptr);
argvec[0] =
value_struct_elt (&temp, argvec+1, mangle_tstr,
&static_memfuncp,
op == STRUCTOP_STRUCT
? "structure" : "structure pointer");
if (VALUE_OFFSET (temp))
{
arg2 = value_from_longest (lookup_pointer_type (VALUE_TYPE (temp)),
VALUE_ADDRESS (temp)+VALUE_OFFSET (temp));
argvec[1] = arg2;
if (!argvec[0])
{
pp = cplus_mangle_opname(ptr, DMGL_NO_OPTS);
if (pp)
strcpy(mangle_ptr, pp);
else
strcpy(mangle_ptr, ptr);
strcpy(tstr, mangle_tstr);
}
}
if (!argvec[0])
{
temp = arg2;
argvec[0] =
value_struct_elt (&temp, argvec+1, tstr,
&static_memfuncp,
op == STRUCTOP_STRUCT
? "structure" : "structure pointer");
}
arg2 = value_from_longest (lookup_pointer_type(VALUE_TYPE (temp)),
VALUE_ADDRESS (temp)+VALUE_OFFSET (temp));
argvec[1] = arg2;
if (static_memfuncp)
{
argvec[1] = argvec[0];

32
gdb/valops.c
View File

@ -1278,21 +1278,27 @@ typecmp (staticp, t1, t2)
if (t1[!staticp] == 0) return 0;
for (i = !staticp; t1[i] && TYPE_CODE (t1[i]) != TYPE_CODE_VOID; i++)
{
struct type *tt1, *tt2;
if (! t2[i])
return i+1;
if (TYPE_CODE (t1[i]) == TYPE_CODE_REF
tt1 = t1[i];
tt2 = VALUE_TYPE(t2[i]);
if (TYPE_CODE (tt1) == TYPE_CODE_REF
/* We should be doing hairy argument matching, as below. */
&& (TYPE_CODE (TYPE_TARGET_TYPE (t1[i]))
== TYPE_CODE (VALUE_TYPE (t2[i]))))
&& (TYPE_CODE (TYPE_TARGET_TYPE (tt1)) == TYPE_CODE (tt2)))
{
t2[i] = value_addr (t2[i]);
continue;
}
if (TYPE_CODE (t1[i]) == TYPE_CODE_PTR
&& TYPE_CODE (VALUE_TYPE (t2[i])) == TYPE_CODE_ARRAY)
/* Array to pointer is a `trivial conversion' according to the ARM. */
continue;
while (TYPE_CODE (tt1) == TYPE_CODE_PTR
&& (TYPE_CODE(tt2)==TYPE_CODE_ARRAY || TYPE_CODE(tt2)==TYPE_CODE_PTR))
{
tt1 = TYPE_TARGET_TYPE(tt1);
tt2 = TYPE_TARGET_TYPE(tt2);
}
if (TYPE_CODE(tt1) == TYPE_CODE(tt2)) continue;
/* Array to pointer is a `trivial conversion' according to the ARM. */
/* We should be doing much hairier argument matching (see section 13.2
of the ARM), but as a quick kludge, just check for the same type
@ -1400,6 +1406,7 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
register struct type *type;
{
int i;
value v;
static int name_matched = 0;
check_stub_type (type);
@ -1425,7 +1432,8 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
return (value)value_virtual_fn_field (arg1p, f, j, type, offset);
if (TYPE_FN_FIELD_STATIC_P (f, j) && static_memfuncp)
*static_memfuncp = 1;
return (value)value_fn_field (arg1p, f, j, type, offset);
v = (value)value_fn_field (arg1p, f, j, type, offset);
if (v != (value)NULL) return v;
}
j--;
}
@ -1434,7 +1442,6 @@ search_struct_method (name, arg1p, args, offset, static_memfuncp, type)
for (i = TYPE_N_BASECLASSES (type) - 1; i >= 0; i--)
{
value v;
int base_offset;
if (BASETYPE_VIA_VIRTUAL (type, i))
@ -1547,9 +1554,10 @@ value_struct_elt (argp, args, name, static_memfuncp, err)
if (!args[1])
{
/* destructors are a special case. */
return (value)value_fn_field (NULL, TYPE_FN_FIELDLIST1 (t, 0),
TYPE_FN_FIELDLIST_LENGTH (t, 0),
0, 0);
v = (value)value_fn_field (NULL, TYPE_FN_FIELDLIST1 (t, 0),
TYPE_FN_FIELDLIST_LENGTH (t, 0), 0, 0);
if (!v) error("could not find destructor function named %s.", name);
else return v;
}
else
{